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HomeMy WebLinkAboutBID - 5977 LP TRANSFORMERS 50KVA SUBMERSIBLECity of Fort Collins Bid Proposal BID 5977 LP Transformers 50kVA Submersible City of Fort Collins BID DATE: 2:00 P.M. (Our clock) April 21, 2006 Specification for Single Phase Submersible Cover Mount Transformer 1 SCOPE Rev Sym: D This specification establishes the minimum requirements for single phase, 60 hertz, mineral oil filled, self cooled, vault type distribution transformers purchased by the City of Fort Collins Electric Department. Transformers of this design are for installation on an underground power system utilizing separable insulated connectors and may be installed in underground vaults subject to submersion. The transformer tank and all external appurtenances shall be of corrosion -resistant material, unless they are otherwise rendered corrosion resistant. 2 APPLICABLE DOCUMENTS Unless otherwise stated in this Specification, all transformers shall be new and shall conform to the American National Standard Requirements for Underground Type, Self Cooled, Single Phase Distribution Transformers, ANSI C57.12.23 - latest revision. In case of conflict, the requirements of the following documents shall apply in the priority shown: 1. This Specification. 2. Referenced ANSI Standards. Approved manufacturers are listed in Appendix C. For purposes of warranty and service, any distributor bidding must be an authorized distributor appointed by an approved manufacturer to serve the Fort Collins area. The following standards for distribution, power, and regulating transformers and shunt reactors form a part of this Specification: • General Requirements C57.12.00 • Underground Type Distribution Transformers C57.12.23 • Terminal Marking and Connections C57.12.70 • Terminology C57.12.80 • Test Code C57.12.90 • Appendix to ANSI C57.12.20 C57.91 • Separable Insulated Connectors ANSIIIEEE 386 3 KILOVOLT -AMPERE RATINGS Kilovoltampere ratings shall be continuous and based on, but not exceeding, an average winding temperature rise of 55 °C and a hottest -spot temperature rise of 70 *C. The temperature rise of the insulating oil shall be measured near the top of the tank and shall not exceed 55 *C. The transformers shall have a temperature -rise insulation system of 65 'C. The kilovoltampere ratings for transformers conforming to this standard shall be suitable for continuous operation at the rated kilovoltamperes, provided that the temperature of the cooling air (enclosure ambient temperature) does not exceed 50 °C and the average temperature of the cooling air does not exceed 40 °C for any 24-hour period. KVA ratings shall be in accordance with Table-1. 4 BUSHINGS AND TERMINALS All internal leads and connections, on both high and low voltage, shall be sized to carry full ampere rating, including overload rating of transformer. 4.1 HIGH VOLTAGE TERMINALS The number and electrical characteristics of the high voltage terminals required are specified in Table 1. High - voltage bushing wells shall be top -mounted 200A load -break interface bushings rated for 8.3/14.4 kV 4 368-110 Rev Sym: D maximum continuous voltage, and 95kV BIL and full wave crest voltage in accordance with ANSUIEEE Standard 386, It is not required that bushing well inserts be supplied with the transformers. On phase -to -ground transformers, the H2 end of the high -voltage winding shall be connected to the tank internally. This connection shall be independent of all other electrical connections. 4.2 LOW VOLTAGE TERMINALS Terminal type and number shall be in accordance with Table 1 of this specification, and shall be positioned for additive polarity per ANSI C57.12.23 - 2000. Terminals shall be welded Central Moloney 5/8" threaded copper stud -type bushings with external epoxy. The low voltage terminals shall have a BIL of 30kV. Terminals shall be singly mounted on the top at 5.5 to 7.5 inch center to center spacing. Stud type terminals shall be Central Moloney bushings with a 5/8" copper stud. Bushings shall have dimensions in accordance with Figure 1 of this specification, with a bushing sealing surface diameter no greater than 1.38". All non- metallic components of the terminals shall be manufactured of a material resistant to ultra -violet degradation. Mounting hardware shall be corrosion resistant. 5/8" Threaded Copper Stud Max. 1.38" dia. Sealing Surface Figure 1 — Secondary Bushing Dimensions The low -voltage neutral (X2) connection of the winding shall be made to the tank or cover but not to the core clamp. When a fully insulated terminal is used for this low -voltage neutral connection, it shall be externally identified as being internally connected to the tank or cover. 5 ELECTRICAL REQUIREMENTS Table 1 STOCK NO. 3SERIA — SERIAL KVA O Z HIGH VOLTAGE LOW VOLTAGE PROTECTION TYPE RATING TERMINALS TAPS RATING TYPE AND NUMBER OF TERMINALS ABOVE BELOW - 25 1.77 to 2,16 13200 GRDW620 One bushing well None None 120,240 Three CU stud CP -150 50 1.77 to 2.16 113200 GRDY/7620 One bushing well None None 240/120 Three CU stud CP -161 75 1.77 to 2.16 13200 GRDY77620 One bushing well None None 240/120 Three CU stud CP (1) CP = current -protecting (see section 6, Overcurrent Protection); S = conventional; Fusing - current limiting protection (see section 6, Overcurrent Protection) TBD = To be Determined 5 368-110 Rev Sym: D 6 OVERCURRENT PROTECTION 6.1 CURRENT PROTECTING (CP) Current -protecting (CP) when specified in Table 1 shall include: • Full range, current limiting, under -oil primary fuse (see paragraph 6.2). • Low voltage (secondary) breaker • Signal light (if practical for particular design) • Emergency control handle 6.2 FUSING Internally mounted 8.3kV rated under -oil full range current limiting fuse which shall operate in conjunction with a secondary breaker. WA Current Limiting Fuse 50 12 Amp Hi -Tech TransGuard FX 75 20 Amp Hi -Tech TransGuard FX 7 TANK DESIGN 7.1 TANK MATERIAL Tank, cover and bottom shall be stainless steel manufactured with one of the following alloys: 1. 409 SST are preferred for the tank, cover and bottom, but will accept designs that utilize 400CB SST, or 304L SST if they are specifically approved by Utilities Electric Engineering Standards. 7.2 TANK THICKNESS The tank shall be of sufficient strength to withstand a static internal pressure of 50 kPa gauge (7.25 psig) without permanent distortion and 140 kPa gauge (20.3 psig) without rupturing. 7.3 TANK DIMENSIONS Figure 2 (below) shows maximum outside tank dimension envelope. i r I � n C \-----/--J J , I Fiaure 2 Maximum Clearance Dimensions inches WA A B I C* 50.75 27 33 1 44 * C dimension is measured to the top of bushing well insert (insert is provided by Utilities) 6 368-110 Rev Sym: D 7.4 TANK -MOUNTED ACCESSORIES The following tank -mounted accessories shall be provided: • (1) Tomko 1720K-1 Or Qualitrol 202-014-02 submersible stainless steel pressure relief device located on cover • (1) Tomko LG35 or Harco HLG-1065 sight gauge/oil level coupling located on cover • (2) 1.00" NPT fill couplings located on cover with brass pipe plugs • (2)'/z" - 13 SST ground pads centered on tank below primary bushing 7" from top and 7" from base, respectively • (1)'/2" - 13 SST ground pad on top near primary bushing • (1) Stainless steel pocket type parking stand for a loadbreak stand-off device • (2) Lifting hooks opposite each other, welded on the tank near the top, positioned to allow lifting strap clearance from the bushings. • (1) Stainless steel cover -mounted instruction nameplate 7.5 TANK COATINGS An adequate tank coating for underground vault application shall be provided. Appendix B is provided as a reference for comparing coating requirements. Fort Collins Utilities Electric Department, Engineering Division, shall be the only authority regarding the adequacy of proposed coatings. The final color shall be ANSI compliant light gray paint. 8 MARKINGS • X1, X2 & X3 stainless steel identification tags with black lettering • "X2 Int. Gnd" stenciled in black on cover • Cover mounted stainless steel nameplate instruction 2000, Nameplate A. On the nameplate or a label affi dielectric fluid contains less than 1 ppm PCB. • Temporary serial/shipping card attached to tank lift -eye 9 LOSSES nameplate conforming to 5.12 of ANSI C57.12.00- xed near it, the manufacturer shall indicate that the The total losses of a transformer shall be the sum of the excitation losses and the load losses (12R losses). Load loss tests shall be performed and reported on all units regardless of whether or not a record of such tests is available on duplicate units. Loss evaluations and loss costs will be based on the values shown in the "Special Conditions and Supplemental Instructions to Bidders." Transformers will be evaluated on excitation losses and 12R losses at the specified rates. If tested losses exceed quoted losses but are within the tolerances of paragraph 9.3, ANSI C57.12.00-2000, the additional cost incurred from the differential of losses will be calculated using the following equation and the above specified rates and will be deducted from the original Purchase Order or back charged to the manufacturer. In the following equation "Units" shall mean 'Transformers of the same size and design on one order." Excess loss $ = [# of units] [(No Load Loss Evaluation $) (Avg. No Load Losses - Quoted No Load Losses) + (Load Loss Evaluation $) (Avg. Load Losses - Quoted Load Losses)]. If this equation results in a negative number, no credit will be given the Supplier. If any unit or units exceed the tolerances of paragraph 9.3, ANSI C57.12.00-2000, that unit or units shall not be shipped without express permission from the City. If accepted, the deduction for excess losses will be based on the following equation: Excess loss $ = (No Load Loss Evaluation $) (No Load Losses - Quoted No Load Losses) But Not Less Than Zero + (Load Loss Evaluation $) (Load Losses - Quoted Losses) But Not Less Than Zero. 7 368-110 Rev Sym: D 10 QUALITY ASSURANCE 10.1 GENERAL 10.1.1 RESPONSIBILITY FOR INSPECTION Unless otherwise specified, the vendor is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified, the vendor may utilize his own facilities or any commercial laboratory acceptable to the City of Fort Collins. The City reserves the right to perform or witness any of the inspections set forth in this Specification where such inspections are deemed necessary. 10.1.2 TEST REPORT The manufacturer shall furnish to the purchaser certified copies of the results of loss tests prior to payment. Copies of loss tests shall be sent to Standards and shall be attached to the invoice. Unsigned copies are not acceptable even if accompanied by a signed cover letter. 10.2 TEST CONDITIONS Unless otherwise specified, testing required by Section 4.4 shall be conducted under the following conditions. 10.2.1 REFERENCE TEMPERATURE The reference temperature to which losses, impedance, regulation, and efficiency are corrected shall be 85°C. 10.2.2 TOLERANCE ON IMPEDANCE VOLTAGE Nominal impedance voltage shall be in accordance with Table 1 of this specification. Completed units may vary from the specified nominal up to the tolerance specified in ANSI C57.12.00. 10.2.3 TOLERANCE ON IMPEDANCE VOLTAGE ON A TAP The percent departure of tested impedance voltage on any tap from tested impedance voltage at rated voltage shall not be greater than the total tap voltage range expressed as a percentage of the rated voltage. 10.3 TESTS The tests to be performed and the test procedures required are specified in ANSI C57.12.00, and C57.12.90. Exception: impedance and load -loss tests shall be made on each unit and may not be omitted even if a record of such tests made on a duplicate unit is available. Transformers shall be prefilled with the appropriate amount of transformer oil and shall be shipped by open -bed truck. Units shall be packaged in such a way as to provide for ease of handling and to protect units from shipping damage. Units shall be packaged on two-way pallets or four-way universal pallets with 34 inch minimum opening (to accommodate minimum fork spacing) and loaded on the truck for side removal. The Supplier shall provide 24- hour notice prior to delivery for any shipments where an individual transformer weighs over 5,000 pounds. In addition to these requirements, the Supplier shall comply with any additional requirements or modifications shown on the purchase order and/or supplemental instructions. 8 368-110 Rev Sym: D APPENDIX A — Transformer Stock Number Coding Below are examples that demonstrate the coding method used by City of Fort Collins to establish transformer stock numbers. I. SINGLE PHASE Example #1: I1--* Transformer Class Single Phase 00 = 13.2Y/7620 & 7620/13.2Y x 2400/4160 outside pole 05 = 13.2Y/7620 ESNA pole or 10 = 13.2Y/7620 ESNA Submersible 20 = 13.2Y/7620 ESNA pad II. THREE PHASE Example #2 E=> 368 - Transformer Class 3 Phase Pad - XYZ YZ Other 0 = 5 5=50 1=10 6=75 2=15 7=100 3=25 8=167 4=37.5 9=250 1 = single voltage 2 = dual voltage w- 006 = 75 075 = 750 015 = 150 100 = 1000 030 = 300 150 = 1500 050 = 500 • All suffixes indicate 208Y/120 sec. • For 480Y/277 sec., add 1 to XYZ lie. 007 would indicate a 75kVA with 480Y/277 sec.) 9 368-110 Rev Sym: D APPENDIX B - TANK COATING COMPARISON This Appendix is not intended to dictate requirements for items purchased under Specification 368-110, but is included as an aid in comparing coatings for manufacturers attempting to meet the requirements of this design. Tank coatings listed here are for reference only and shall not be considered as complete. The City of Fort Collins Utilities shall not be held responsible for patent infringements incurred through the use of this information. B.1 ARMORTEC, a fusion bonded vinyl resin having a minimum coating thickness of 15 mils. B.2 Coal -tar Epoxy having a minimum thickness of 15 mils applied in two coats over a zinc rich primer and overcoated with flow coat applied black enamel paint. B.3 Electrostatically applied thermosetting polyester applied as follows: 1. Five Stage Wash - alkaline detergent, water rinse, phosphate treatment, water rinse, and sealing rinse. 2. Delay Line - dry and cool. 3. Coat - Electrostatically coat with a thermosetting polyester. 4. Bake -Heat as recommended by polyester manufacturer to set polyester. 5. Cool. 6. Repeat Process - Repeat applicable steps of above process to obtain a minimum dry build of 6 mils. BA Ceilcote Flakeline 252 (minimum thickness 35 mils). 10 368-110 Rev Sym: D APPENDIX C — APPROVED MANUFACTURERS Transformers purchased under this Specification shall be of the make shown below. Manufacturers not listed below may submit written proposals demonstrating compliance with these Specifications for consideration of addition to the accepted manufacturer list prior to the next request for bids. In addition to inclusion on the list below, manufacturer's equipment must also satisfy all requirements of this Specification to be acceptable. Approved manufacturers must have constructed and submitted prototype units for inspection and deemed satisfactory by the Fort Collins Utilities Electric Department. APPROVED MANUFACTURERS Howard Industries The manufacturers in the following list have been conditionally approved and may bid as an alternate. The definition and intent of "Conditional Approval' of a manufacturer is to allow the Utilities to gain some experience with the manufacturer's product. Should a conditionally approved manufacturer be the evaluated low bidder, Utilities reserves the right to award all, part, or none of the order to them, dependant upon the current needs of the Utility for that item or items. CONDITIONALLY APPROVED MANUFACTURERS ABB Central Moloney General Electric 11 368-110 Rev Sym: D TRANSFORMER LOSS EVALUATION FORM- AVERAGE LOSSES City Order No. S/N Manufacturer Invoice No. KVA/Unit LINE DESCRIPTION AMOUNT (1) No. of units (2) Average core losses (3) Quoted core losses (4) Excess average core losses: line (2) less line (3) (5) Penalty for excess average core losses: line (1) x line (4) x $ 6) Average copper losses (7) Quoted copper losses (8) Excess average copper losses: line (6) less line (7) (9) Penalty for excess average copper losses: line (1) x line (8) x $ (10) Penalty to be assessed manufacturer: line (5) plus line (9) but not less than zero Date Prepared By: Design Engineering NOTE: If any unit(s) exceeds the loss tolerances of ANSI C57.12.00, Utilities Electric will either reject it, include it on these averages, or calculate losses using the Individual Transformer Losses Evaluation Form, whichever is most favorable to Utilities Electric. 12 368-110 INDIVIDUAL TRANSFORMER LOSS EVALUATION FORM City Order No. S/N Manufacturer Invoice No. KVA/Unit LINE DESCRIPTION (1) Tested core losses (2) Quoted core losses (3) Excess core losses line (1) less line (2) but not less than zero (4) Percent difference line (3) , line (2) x 100 (5) Tested total losses (6) Quoted total losses (7) Excess total losses line (5) less line (6) but not less than zero (8) Percent difference line (7) , line (6) x 100 (9) Tested copper losses (10) Quoted copper losses (11) Excess copper losses line (9) less line (10) but not less than zero (12) Penalty for excess core losses line (3) x $ (13) Penalty for excess copper losses line (11) x $ AMOUNT (14) Penalty to be assessed manufacturer line (12) plus line (13) Date Prepared By: (Design Engineering) Rev Sym: D 13 368-110 CITY OF FORT COLLINS INVITATION TO BID BID # 5977 LP Transformers 50kVA Submersible Sealed bids will be received and publicly opened at the office of the Director Of Purchasing and Risk Management, PO Box 580, 215 North Mason St., 2nd floor, Fort Collins, Colorado 80524, at the time and date noted on the bid proposal and/or contract documents. If delivered, they are to be delivered to 215 North Mason Street, 2nd Floor, Fort Collins, Colorado 80524. If mailed, the address is P.O. Box 580, Fort Collins, 80522-0580. Bids must be received at the Purchasing Office prior to 2:00 p.m. (our clock), April 21, 2006. Special Instructions All bids must be properly signed by an authorized representative of the company with the legal capacity to bind the company to the agreement. Bids may be withdrawn up to the date and hour set for closing. Once bids have been accepted by the City and closing has occurred, failure to enter into contract or honor the purchase order will be cause for removal of supplier's name from the City of Fort Collins' bidders list for a period of twelve months from the date of the opening. The City may also pursue any remedies available at law or in equity. Bid prices must be held firm for a period of forty-five (45) days after bid openings. Submission of a bid is deemed as acceptance of all terms, conditions and specifications contained in the City's specifications initially provided to the bidder. Any proposed modification must be accepted in writing by the City prior to award of the bid. Only bids properly received by the Purchasing Office will be accepted. All bids should be clearly identified by the bid number and bid name contained in the bid proposal. No proposal will be accepted from, or any purchase order awarded, to any person, firm or corporation in default on any obligation to the City. Bids must be furnished exclusive of any federal excise tax, wherever applicable. Bidders must be properly licensed and secure necessary permits wherever applicable. Bidders not responding to this bid will be removed from our automated vendor listing for the subject commodities. The City may elect where applicable, to award bids on an individual item/group basis or on a total bid basis, whichever is most beneficial to the City. The City reserves the right to accept or reject any and all bids, and to waive any irregularities or informalities. Sales prohibited/conflict of interest: no officer, employee, or member of City Council, shall have a financial interest in the sale to the City of any real or personal property, equipment, material, supplies or services where such officer or employee exercises directly or indirectly any decision - making authority concerning such sale or any supervisory authority over the services to be rendered. This rule also applies to subcontracts with the City. Soliciting or accepting any gift, 09/12/01 Rev Sym: D SPECIAL CONDITIONS ANDSUPPLEMENTAL INSTRUCTIONS TO BIDDERS Applicable to Specification 368-110 A. Data to be Supplied with Bidder's Proposal The following data shall be supplied with the bidder's proposal in addition to that information required by the "Invitation to Bid" and the "Purchase Requisition". 1. Impedance volts in % at full load, high voltage to low voltage at 85°C. 2. No load and total losses at 85°C. 3. Protective tank coating specification. 4. A statement indicating compliance with our Specification without exception. 5. Escalation is _, is not _ applicable for the transformers bid. If escalation applies, the Bidder shall indicate in his bid the specific items or materials subject to escalation, and shall give the method and indices to be used in computing the amount thereof. Escalation occurring after the quoted delivery date will not be paid unless delays are the result of actions by the City. Escalation occurring after acceptance, if Purchaser exercises the option to delay shipment after manufacturing is completed, will not be paid. Failure to supply the above data shall constitute a basis for rejection of the bid. B. Loss Evaluations Loss penalties and loss evaluations will be based on the following values: 1. No load or excitation losses at $3.25/watt. 2. Load losses at $1.10/watt. C. Shipping Terms Ship F.O.B. point of destination, freight prepaid. D. Terms of Payment 1. If escalation applies, the City of Fort Collins shall not be billed for escalation occurring after the promised delivery date. Escalation charges shall be itemized on the invoice. 2. Test reports shall accompany the invoice. If test reports do not accompany the invoice, late payment penalty charges incurred due to delays in obtaining the test reports will not be paid. Certified copies of test reports shall be sent to the Design Section, Fort Collins Light and Power Utility. 3. Loss penalty credits and escalation charges shall be itemized on the invoice. 14 368-110 City of Fort Collins Bid Proposal BID 5977 LP Transformers 50kVA Submersible City of Fort Collins BID DATE: 2:00 P.M. (Our clock) April 21, 2006 CITY OF FORT COLLINS INVITATION TO BID BID # 5977 LP Transformers 50kVA Submersible Sealed bids will be received and publicly opened at the office of the Director Of Purchasing and Risk Management, PO Box 580, 215 North Mason St., 2nd floor, Fort Collins, Colorado 80524, at the time and date noted on the bid proposal and/or contract documents. If delivered, they are to be delivered to 215 North Mason Street, 2" Floor, Fort Collins, Colorado 80524. If mailed, the address is P.O. Box 580, Fort Collins, 80522-0580. Bids must be received at the Purchasing Office prior to 2:00 p.m. (our clock), April 21, 2006. Special Instructions All bids must be properly signed by an authorized representative of the company with the legal capacity to bind the company to the agreement. Bids may be withdrawn up to the date and hour set for closing. Once bids have been accepted by the City and closing has occurred, failure to enter into contract or honor the purchase order will be cause for removal of supplier's name from the City of Fort Collins' bidders list for a period of twelve months from the date of the opening. The City may also pursue any remedies available at law or in equity. Bid prices must be held firm for a period of forty-five (45) days after bid openings. Submission of a bid is deemed as acceptance of all terms, conditions and specifications contained in the City's specifications initially provided to the bidder. Any proposed modification must be accepted in writing by the City prior to award of the bid. Only bids properly received by the Purchasing Office will be accepted. All bids should be clearly identified by the bid number and bid name contained in the bid proposal. No proposal will be accepted from, or any purchase order awarded, to any person, firm or corporation in default on any obligation to the City. Bids must be furnished exclusive of any federal excise tax, wherever applicable. Bidders must be properly licensed and secure necessary permits wherever applicable. Bidders not responding to this bid will be removed from our automated vendor listing for the subject commodities. The City may elect where applicable, to award bids on an individual item/group basis or on a total bid basis, whichever is most beneficial to the City. The City reserves the right to accept or reject any and all bids, and to waive any irregularities or informalities. Sales prohibited/conflict of interest: no officer, employee, or member of City Council, shall have a financial interest in the sale to the City of any real or personal property, equipment, material, supplies or services where such officer or employee exercises directly or indirectly any decision - making authority concerning such sale or any supervisory authority over the services to be rendered. This rule also applies to subcontracts with the City. Soliciting or accepting any gift, 09/12/01 gratuity, favor, entertainment, kickback or any items of monetary value from any person who has or is seeking to do business with the City of Fort Collins is prohibited. Freight terms: unless otherwise noted, all freight is F.O.B. Destination, Freight Prepaid. All freight charges must be included in prices submitted on proposal. Discounts: any discounts allowed for prompt payment, etc., must be reflected in bid figures and not entered as separate pricing on the proposal form. Purchasing restrictions: your authorized signature of this bid assures your firm's compliance with the City's purchasing restrictions. A copy of the resolutions are available for review in the Purchasing Office or the City Clerk's Office. Request Resolution 91-121 for cement restrictions. Collusive or sham bids: any bid deemed to be collusive or a sham bid will be rejected and reported to authorities as such. Your authorized signature of this bid assures that such bid is genuine and is not a collusive or sham bid. Bid results: for information regarding results for individual bids send a self-addressed, self -stamped envelope and a bid tally will be mailed to you. Bid results will be posted in our office 7 days after the bid opening. James B. O'Neill II, CPPO, FNIGP Director of Purchasing and Risk Management 09/12/01 City of Fort Collins Bid Proposal BID 5977 LP Transformers 50kVA Submersible City of Fort Collins BID DATE: 2:00 P.M. (Our clock) April 21, 2006 CITY OF FORT COLLINS INVITATION TO BID BID # 5977 LP Transformers 50kVA Submersible Sealed bids will be received and publicly opened at the office of the Director Of Purchasing and Risk Management, PO Box 580, 215 North Mason St., 2nd floor, Fort Collins, Colorado 80524, at the time and date noted on the bid proposal and/or contract documents. If delivered, they are to be delivered to 215 North Mason Street, 2" Floor, Fort Collins, Colorado 80524. If mailed, the address is P.O. Box 580, Fort Collins, 80522-0580. Bids must be received at the Purchasing Office prior to 2:00 p.m. (our clock), April 21, 2006. Special Instructions All bids must be properly signed by an authorized representative of the company with the legal capacity to bind the company to the agreement. Bids may be withdrawn up to the date and hour set for closing. Once bids have been accepted by the City and closing has occurred, failure to enter into contract or honor the purchase order will be cause for removal of supplier's name from the City of Fort Collins' bidders list for a period of twelve months from the date of the opening. The City may also pursue any remedies available at law or in equity. Bid prices must be held firm for a period of forty-five (45) days after bid openings. Submission of a bid is deemed as acceptance of all terms, conditions and specifications contained in the City's specifications initially provided to the bidder. Any proposed modification must be accepted in writing by the City prior to award of the bid. Only bids properly received by the Purchasing Office will be accepted. All bids should be clearly identified by the bid number and bid name contained in the bid proposal. No proposal will be accepted from, or any purchase order awarded, to any person, firm or corporation in default on any obligation to the City. Bids must be furnished exclusive of any federal excise tax, wherever applicable. Bidders must be properly licensed and secure necessary permits wherever applicable. Bidders not responding to this bid will be removed from our automated vendor listing for the subject commodities. The City may elect where applicable, to award bids on an individual item/group basis or on a total bid basis, whichever is most beneficial to the City. The City reserves the right to accept or reject any and all bids, and to waive any irregularities or informalities. Sales prohibited/conflict of interest: no officer, employee, or member of City Council, shall have a financial interest in the sale to the City of any real or personal property, equipment, material, supplies or services where such officer or employee exercises directly or indirectly any decision - making authority concerning such sale or any supervisory authority over the services to be rendered. This rule also applies to subcontracts with the City. Soliciting or accepting any gift, 09/12/01 gratuity, favor, entertainment, kickback or any items of monetary value from any person who has or is seeking to do business with the City of Fort Collins is prohibited. Freight terms: unless otherwise noted, all freight is F.O.B. Destination, Freight Prepaid. All freight charges must be included in prices submitted on proposal. Discounts: any discounts allowed for prompt payment, etc., must be reflected in bid figures and not entered as separate pricing on the proposal form. Purchasing restrictions: your authorized signature of this bid assures your firm's compliance with the City's purchasing restrictions. A copy of the resolutions are available for review in the Purchasing Office or the City Clerk's Office. Request Resolution 91-121 for cement restrictions. Collusive or sham bids: any bid deemed to be collusive or a sham bid will be rejected and reported to authorities as such. Your authorized signature of this bid assures that such bid is genuine and is not a collusive or sham bid. Bid results: for information regarding results for individual bids send a self-addressed, self -stamped envelope and a bid tally will be mailed to you. Bid results will be posted in our office 7 days after the bid opening. James B. O'Neill II, CPPO, FNIGP Director of Purchasing and Risk Management 09/12/01 City of Fort Collins Bid Proposal BID 5977 LP Transformers 50kVA Submersible City of Fort Collins BID DATE: 2:00 P.M. (Our clock) April 21, 2006 CITY OF FORT COLLINS INVITATION TO BID BID # 5977 LP Transformers 50kVA Submersible Sealed bids will be received and publicly opened at the office of the Director Of Purchasing and Risk Management, PO Box 580, 215 North Mason St., 2nd floor, Fort Collins, Colorado 80524, at the time and date noted on the bid proposal and/or contract documents. If delivered, they are to be delivered to 215 North Mason Street, 2" Floor, Fort Collins, Colorado 80524. If mailed, the address is P.O. Box 580, Fort Collins, 80522-0580. Bids must be received at the Purchasing Office prior to 2:00 p.m. (our clock), April 21, 2006. Special Instructions All bids must be properly signed by an authorized representative of the company with the legal capacity to bind the company to the agreement. Bids may be withdrawn up to the date and hour set for closing. Once bids have been accepted by the City and closing has occurred, failure to enter into contract or honor the purchase order will be cause for removal of supplier's name from the City of Fort Collins' bidders list for a period of twelve months from the date of the opening. The City may also pursue any remedies available at law or in equity. Bid prices must be held firm for a period of forty-five (45) days after bid openings. Submission of a bid is deemed as acceptance of all terms, conditions and specifications contained in the City's specifications initially provided to the bidder. Any proposed modification must be accepted in writing by the City prior to award of the bid. Only bids properly received by the Purchasing Office will be accepted. All bids should be clearly identified by the bid number and bid name contained in the bid proposal. No proposal will be accepted from, or any purchase order awarded, to any person, firm or corporation in default on any obligation to the City. Bids must be furnished exclusive of any federal excise tax, wherever applicable. Bidders must be properly licensed and secure necessary permits wherever applicable. Bidders not responding to this bid will be removed from our automated vendor listing for the subject commodities. The City may elect where applicable, to award bids on an individual item/group basis or on a total bid basis, whichever is most beneficial to the City. The City reserves the right to accept or reject any and all bids, and to waive any irregularities or informalities. Sales prohibited/conflict of interest: no officer, employee, or member of City Council, shall have a financial interest in the sale to the City of any real or personal property, equipment, material, supplies or services where such officer or employee exercises directly or indirectly any decision - making authority concerning such sale or any supervisory authority over the services to be rendered. This rule also applies to subcontracts with the City. Soliciting or accepting any gift, 09/12/01 gratuity, favor, entertainment, kickback or any items of monetary value from any person who has or is seeking to do business with the City of Fort Collins is prohibited. Freight terms: unless otherwise noted, all freight is F.O.B. Destination, Freight Prepaid. All freight charges must be included in prices submitted on proposal. Discounts: any discounts allowed for prompt payment, etc., must be reflected in bid figures and not entered as separate pricing on the proposal form. Purchasing restrictions: your authorized signature of this bid assures your firm's compliance with the City's purchasing restrictions. A copy of the resolutions are available for review in the Purchasing Office or the City Clerk's Office. Request Resolution 91-121 for cement restrictions. Collusive or sham bids: any bid deemed to be collusive or a sham bid will be rejected and reported to authorities as such. Your authorized signature of this bid assures that such bid is genuine and is not a collusive or sham bid. Bid results: for information regarding results for individual bids send a self-addressed, self -stamped envelope and a bid tally will be mailed to you. Bid results will be posted in our office 7 days after the bid opening. James B. O'Neill II, CPPO, FNIGP Director of Purchasing and Risk Management 09/12/01 FIRM NAME: CITY OF FORT COLLINS BID PROPOSAL BID NO. BID DATE: 2:00 p.m. (Our clock) April 21, 2006 WE HEREBY ENTER OUR BID FOR THE CITY OF FORT COLLINS' REQUIREMENTS FOR LP LP Transformers 50 kVA Submersible PER THE BID INVITATION AND ANY REFERENCED SPECIFICATIONS. QUANTITY: 100 Ea. DESCRIPTION: TRANSFORMER, 50 KVA SUBMERSIBLE, SINGLE PHASE WITH OVERCURRENT PROTECTION PER SPECIFICATION. ONE COVER MOUNTED SEPARABLE INSULATED LOAD BREAK HIGH VOLTAGE BUSHING WELL, THREE COVER MOUNTED STUD SECONDARY BUSHINGS. HIGH VOLTAGE RATING: 13200 GRDY/7620, LOW VOLTAGE RATING: 240/120. PER SPECIFICATION #368-110-161, REVISION D Ea. Total Mfr. Mfr. # Delivery in Weeks: *Any surcharges or additional costs shall be noted & included in bid submittal. Partial Shipments are acceptable with specified ship dates; 24 hours Notice shall to provided to JoAnn Frick or Steve Serna - Telephone 970-221-6709. Ship Dates: The transformers being bid meet or exceed the specifications. Yes No. If not, please list exceptions, (specifying paragraph reference number) on a separate sheet of paper and attach to your bid. Guaranteed No Load Loss Guaranteed Full Load Loss Guaranteed Total Load Loss Impedance (%) Escalation is , is not applicable for the transformers bid. If escalation applies, the bidder shall indicate in his bid the specific items or materials subject to escalation, and shall give the method and indices to be used in computing the amount thereof. Escalation occurring after the quoted delivery date will not be paid unless delays are the result of actions by the city. Escalation occurring after acceptance if purchaser exercises the option to delay shipment after manufacturing is completed will not be paid. 09/12/01 For purposes of warranty and service ONLY approved manufacturers or distributors authorized by an approved manufacturer to serve the Fort Collins area may bid. The City of Fort Collins reserves the right to split the bid in whatever percentages are most advantageous to the City. City of Fort Collins requires that manufacturer previously submitted trial units for testing for award of a total order. The City of Fort Collins reserves the right to order trial units from this bid submittal. Future orders of Transformers 50 kVA Submersible may be authorized, at the option of the City, from this bid for a period of three years after date of award. Satisfactory pricing and delivery is required for future orders based on this bid. SUPPLEMENTAL INSTRUCTIONS Prices quoted must remain firm for a 30 day period after the opening date. Freight terms: F.O.B. destination freight prepaid. All freight charges must be included in pricing submitted on proposal and not entered as separate pricing. Any discount allowed by Vendor for prompt payment, etc. must be reflected in quoted figure, and not entered as separate pricing. The City reserves the right to accept or reject any and all quotes. Bidder not responding to the services requested in this bid shall be removed from our automated listing for: Not Applicable Any questions or inquiries regarding this bid should be directed to: Opal F. Dick, CPPO, Senior Buyer (970) 221-6778 SIGNATURE AND TITLE: TYPED OR PRINTED NAME AND TITLE COMPANY NAME: (AREA CODE) TELEPHONE NUMBER/FAX NUMBER ADDRESS: STREET, CITY, STATE, ZIP DATE EMAIL: 09/12/01 Purchase Order Terms and Conditions 1. COMMERCIAL DETAILS. Invoice Address. To ensure prompt Payment mail invoices in duplicate to: City of Fort Collins Accounting Division P.O. Box 580 Fort Collins, CO 80522 Tax exemptions. By statute the City of Fort Collins is exempt from state and local taxes. Our Exemption Number is 98-04502. Federal Excise Tax Exemption Certificate of Registry 84-6000587 is registered with the Collector of Internal Revenue, Denver, Colorado (Ref. Colorado Revised Statutes 1973, Chapter 39-26, 114 (a). Goods Rejected. GOODS REJECTED due to failure to meet specifications, either when shipped or due to defects of damage in transit, may be returned to you for credit and are not to be replaced except upon receipt of written instructions from the City of Fort Collins. Inspection. GOODS are subject to the City of Fort Collins inspection on arrival. Final Acceptance. Receipt of the merchandise, services or equipment in response to this order can result in authorized payment on the part of the City of Fort Collins. However, it is to be understood that FINAL ACCEPTANCE is dependent upon completion of all applicable required inspection procedures. Freight Terms. Shipments must be F.O.B., City of Fort Collins, 700 Wood St., Fort Collins, CO 80522, unless otherwise specified on this order. If permission is given to prepay freight and charge separately, the original freight bill must accompany invoice. Additional charges for packing will not be accepted. Shipment Distance. Where manufacturers have distributing points in various parts of the country, shipment is expected from the nearest distribution point to destination, and excess freight will be deducted from Invoice when shipments are made from greater distance. Permits. Seller shall procure at sellers sole cost all necessary permits, certificates and licenses required by all applicable laws, regulations, ordinances and rules of the state, municipality, territory or political subdivision where the work is performed, or required by any other duly constituted public authority having jurisdiction over the work of vendor. Seller further agrees to hold the City of Fort Collins harmless from and against all liability and loss incurred by them by reason of an asserted or established violation of any such laws, regulations, ordinances, rules and requirements. Authorization. All parties to this contract agree that the representatives are, in fact, bona fide and possess full and complete authority to bind said parties. LIMITATION OF TERMS. This Purchase Order expressly limits acceptance to the terms and conditions stated herein set forth and any supplementary or additional terms and conditions annexed hereto or incorporated herein by reference. Any additional or different terms and conditions proposed by seller are objected to and hereby rejected. 2. DELIVERY. PLEASE ADVISE PURCHASING AGENT immediately if you cannot make complete shipment to arrive on your promised delivery date as noted. Time is of the essence. Delivery and performance must be effected within the time stated on the purchase order and the documents attached hereto. No acts of the Purchasers including, without limitation, acceptance of partial late deliveries, shall operate as a waiver of this provision. In the event of any delay, the Purchaser shall have, in addition to other legal and equitable remedies, the option of placing this order elsewhere and holding the Seller liable for damages. However, the Seller shall not be liable for damages as a result of delays due to causes not reasonably foreseeable which are beyond its reasonable control and without its fault of negligence, such acts of God, acts of civil or military authorities, governmental priorities, fires, strikes, flood, epidemics, wars or riots provided that notice of the conditions causing such delay is given to the Purchaser within five (5) days of the time when the Seller first received knowledge thereof. In the event of any such delay, the date of delivery shall be extended for the period equal to the time actually lost by reason of the delay. 3. WARRANTY. The Seller warrants that all goods, articles, materials and work covered by this order will conform with applicable drawings, specifications, samples and/or other descriptions given, will be fit for the purposes intended, and performed with the highest degree of care and competence in accordance with accepted standards for work of a similar nature. The Seller agrees to hold the purchaser harmless from any loss, damage or expense which the Purchaser may suffer or incur on account of the Sellers breach of warranty. The Seller shall replace, repair or make good, without cost to the purchaser, any defects or faults arising within one (1) year or within such longer period of time as may be prescribed by law or by the terms of any applicable warranty provided by the Seller after the date of acceptance of the goods furnished hereunder (acceptance not to be unreasonably delayed), resulting from imperfect or defective work done or materials furnished by the Seller. Acceptance or use of goods by the Purchaser shall not constitute a waiver of any claim under this warranty. Except as otherwise provided in this purchase order, the Sellers liability hereunder shall extend to all damages proximately caused by the breach of any of the foregoing warranties or guarantees, but such liability shall in no event include loss of profits or loss of use. NO IMPLIED WARRANTY OR MERCHANTABILITY OR OF FITNESS FOR PURPOSE SHALL APPLY. 4. CHANGES IN LEGAL TERMS. The Purchaser may make changes to legal terms by written change order. 5. CHANGES IN COMMERCIAL TERMS. The Purchaser may make any changes to the terms, other than legal terms, including additions to or deletions from the quantities originally ordered in the specifications or drawings, by verbal or written change order. If any such change affects the amount due or the time of performance hereunder, an equitable adjustment shall be made. 6. TERMINATIONS. The Purchaser may at any time by written change order, terminate this agreement as to any or all portions of the goods then not shipped, subject to any equitable adjustment between the parties as to any work or materials then in progress provided that the Purchaser shall not be liable for any claims for anticipated profits on the uncompleted portion of the goods and/or work, for incidental or consequential damages, and that no such adjustment be made in favor of the Seller with respect to any goods which are the Sellers standard stock. No such termination shall relieve the Purchaser or the Seller of any of their obligations as to any goods delivered hereunder. 7. CLAIMS FOR ADJUSTMENT. Any claim for adjustment must be asserted within thirty (30) days from the date the change or termination is ordered. 8. COMPLIANCE WITH LAW. The Seller warrants that all goods sold hereunder shall have been produced, sold, delivered and furnished in strict compliance with all applicable laws and regulations to which the goods are subject. The Seller shall execute and deliver such documents as may be required to effect or evidence compliance. All laws and regulations required to be incorporated in agreements of this character are hereby incorporated herein by this reference. The Seller agrees to indemnify and hold the Purchaser harmless from all costs and damages suffered by the Purchaser as a result of the Sellers failure to comply with such law. 9. ASSIGNMENT. Neither party shall assign, transfer, or convey this order, or any monies due or to become due hereunder without the prior written consent of the other party. 10. TITLE. The Seller warrants full, clear and unrestricted title to the Purchaser for all equipment, materials, and items furnished in performance of this agreement, free and clear of any and all liens, restrictions, reservations, security interest encumbrances and claims of others. 11. NONWAIVER. Failure of the Purchaser to insist upon strict performance of the terms and conditions hereof, failure or delay to exercise any rights or remedies provided herein or by law, failure to promptly notify the Seller in the event of a breach, the acceptance of or payment for goods hereunder or approval of the design, shall not release the Seller of any of the warranties or obligations of this purchase order and shall not be deemed a waiver of any right of the purchaser to insist upon strict performance hereof or any of its rights or remedies as to any such goods, regardless of when shipped, received or accepted, as to any prior or subsequent default hereunder, nor shall any purported oral modification or rescission of this purchase order by the Purchaser operate as a waiver of any of the terms hereof. 12. ASSIGNMENT OF ANTITRUST CLAIMS. Seller and the Purchaser recognize that in actual economic practice, overcharges resulting from antitrust violations are in fact borne by the Purchaser. Theretofore, for good cause and as consideration for executing this purchase order, the Seller hereby assigns to the Purchaser any and all claims it may now have or hereafter acquired under federal or state antitrust laws for such overcharges relating to the particular goods or services purchased or acquired by the Purchaser pursuant to this purchase order. 13. PURCHASERS PERFORMANCE OF SELLERS OBLIGATIONS. If the Purchaser directs the Seller to correct nonconforming or defective goods by a date to be agreed upon by the Purchaser and the Seller, and the Seller thereafter indicates its inability or unwillingness to comply, the Purchaser may cause the work to be performed by the most expeditious means available to it, and the Seller shall pay all costs associated with such work. The Seller shall release the Purchaser and its contractors of any tier from all liability and claims of any nature resulting from the performance of such work. This release shall apply even in the event of fault of negligence of the party released and shall extend to the directors, officers and employees of such party. The Seller's contractual obligations, including warranty, shall not be deemed to be reduced, in any way, because such work is performed or caused to be performed by the Purchaser. 14. PATENTS. Whenever the Seller is required to use any design, device, material or process covered by letter, patent, trademark or copyright, the Seller shall indemnify and save harmless the Purchaser from any and all claims for infringement by reason of the use of such patented design, device, material or process in connection with the contract, and shall indemnity the Purchaser for any cost, expense or damage which it may be obliged to pay by reason of such infringement at any time during the prosecution or after the completion of the work. In case said equipment, or any part thereof or the intended use of the goods, is in such suit held to constitute infringement and the use of said equipment or part is enjoined, the Seller shall, at its own expense and at its option, either procure for the Purchaser the right to continue using said equipment or parts, replace the same with substantially equal but non -infringing equipment, or modify it so it becomes non -infringing. 15. INSOLVENCY. If the Seller shall become insolvent or bankrupt, make an assignment for the benefit of creditors, appoint a receiver or trustee for any of the Sellers property or business, this order may forthwith be canceled by the Purchaser without liability. 16. GOVERNING LAW. The definitions of terms used or the interpretation of the agreement and the rights of all parties hereunder shall be construed under and governed by the laws of the State of Colorado, USA. The following Additional Conditions apply only in cases where the Seller is to perform work hereunder, including the services of Sellers Representative(s), on the premises of others. 17. SELLERS RESPONSIBILITY. The Seller shall carry on said work at Seller's own risk until the same is fully completed and accepted, and shall, in case of any accident, destruction or injury to the work and/or materials before Seller's final completion and acceptance, complete the work at Seller's own expense and to the satisfaction of the Purchaser. When materials and equipment are furnished by others for installation or erection by the Seller, the Seller shall receive, unload, store and handle same at the site and become responsible therefor as though such materials and/or equipment were being furnished by the Seller under the order. 18. INSURANCE. The Seller shall, at his own expense, provide for the payment of workers compensation, including occupational disease benefits, to its employees employed on or in connection with the work covered by this purchase order, and/or to their dependents in accordance with the laws of the state in which the work is to be done. The Seller shall also carry comprehensive general liability including, but not limited to, contractual and automobile public liability insurance with bodily injury and death limits of at least $300,000 for any one person, $500,000 for any one accident and property damage limit per accident of $400,000. The Seller shall likewise require his contractors, if any, to provide for such compensation and insurance. Before any of the Sellers or his contractors employees shall do any work upon the premises of others, the Seller shall furnish the Purchaser with a certificate that such compensation and insurance have been provided. Such certificates shall specify the date when such compensation and insurance have been provided. Such certificates shall specify the date when such compensation and insurance expires. The Seller agrees that such compensation and insurance shall be maintained until after the entire work is completed and accepted. 19. PROTECTION AGAINST ACCIDENTS AND DAMAGES. The Seller hereby assumes the entire responsibility and liability for any and all damage, loss or injury of any kind or nature whatsoever to persons or property caused by or resulting from the execution of the work provided for in this purchase order or in connection herewith. The Seller will indemnify and hold harmless the Purchaser and any or all of the Purchasers officers, agents and employees from and against any and all claims, losses, damages, charges or expenses, whether direct or indirect, and whether to persons or property to which the Purchaser may be put or subject by reason of any act, action, neglect, omission or default on the part of the Seller, any of his contractors, or any of the Sellers or contractors officers, agents or employees. In case any suit or other proceedings shall be brought against the Purchaser, or its officers, agents or employees at any time on account or by reason of any act, action, neglect, omission or default of the Seller of any of his contractors or any of its or their officers, agents or employees as aforesaid, the Seller hereby agrees to assume the defense thereof and to defend the same at the Sellers own expense, to pay any and all costs, charges, attorneys fees and other expenses, any and all judgments that may be incurred by or obtained against the Purchaser or any of its or their officers, agents or employees in such suits or other proceedings, and in case judgment or other lien be placed upon or obtained against the property of the Purchaser, or said parties in or as a result of such suits or other proceedings, the Seller will at once cause the same to be dissolved and discharged by giving bond or otherwise. The Seller and his contractors shall take all safety precautions, furnish and install all guards necessary for the prevention of accidents, comply with all laws and regulations with regard to safety including, but without limitation, the Occupational Safety and Health Act of 1970 and all rules and regulations issued pursuant thereto. 9190 Revised 11/91 09/12/01 THE CITY OF FORT COLLINS UTILITIES Electric Department P.O. Box 580 Fort Collins, CO 80522 SPECIFICATION NO: 368-11 U TITLE: Single Phase Submersible Cover Mount Transformer APPROVED BY: Kraig Bade Standards Engineering Manager ORIGINATED: June 1999 LAST REVISED: April 10, 2006 Rev Sym: D REVISION DESCRIPTIONS REVISION DESCRIPTION APPROVED REVISION A Tim Sagen • Revised tank material in section 6 Bill Bray 12/15/2000 REVISION B Kraig Bader • Rewrote specification with reference to IEEE submersible specification C57.12.23. 9/20/2005 • Overcurrent protection changed: Secondary breaker in conjunction with under -oil full range current limiting primary fuse. • Only one thermal design is specified now. Previous revision allowed two thermal designs, but did not indicate a preference. Revision C Kraig Bader • Corrected stock numbers in Table 1. 11/17/05 • Amended paragraph 7.1 -1 to clarify the alloys specified for the construction of the transformer. • Section 7.4: Removed requirement for tank drain (1.00" NPT flush coupling with brass pipe plug). Tank drain increases the vulnerability of the tank to rust, and subsequent leaking in a submersible environment. • Section 7.4: Amended statement regarding lifting eyes — removed requirement for lifting eyes to be located on "the front and backside of"the transformer. • Removed statement in paragraph 8 requiring "Bayonet warning decals located near bayonet fuse." As design progressed, the decision to use secondary breaker in conjunction with full range CL fuses removes the need for bayonet warning labels. • Corrected secondary voltage rating in Section 5, Table 1 from 120/240 to 240/120. (120/240 rated units require 4 LV bushings , and we specify 3 LV bushings.) Revision D Kraig Bader • Revised Approved Manufacturer Table to confirm receipt and inspection of 4/10/06 prototype units manufactured in conformance with this specification. 2 368-110 Rev Sym: D TABLE OF CONTENTS REVISION DESCRIPTIONS.................................................... 1 Scope.................................................................................... 2 Applicable Documents.......................................................... 3 Kilovolt -ampere ratings......................................................... 4 bushings and Terminals........................................................ 4.1 HIGH VOLTAGE TERMINALS ....................................... 4.2 LOW VOLTAGE TERMINALS ....................................... 5 Electrical Requirements........................................................ 6 Overcurrent protection.......................................................... 6.1 CURRENT PROTECTING(CP)..................................... 6.2 FUSING.......................................................................... 7 tank design............................................................................ 7.1 TANK MATERIAL........................................................... 7.2 TANK THICKNESS........................................................ 7.3 TANK DIMENSIONS...................................................... 7.4 TANK -MOUNTED ACCESSORIES ............................... 7.5 TANK COATINGS.......................................................... 8 Markings............................................................................... 9 Losses................................................................................... 10 QUALITY ASSURANCE..................................................... 10.1 GENERAL.................................................................... 10.1.1 RESPONSIBILITY FOR INSPECTION ................. 10.1.2 TEST REPORT ...................................................... 10.2 TEST CONDITIONS.................................................... 10.2.1 REFERENCE TEMPERATURE ............................ 10.2.2 TOLERANCE ON IMPEDANCE VOLTAGE.......... 10.2.3 TOLERANCE ON IMPEDANCE VOLTAGE ON A 10.3 TESTS.......................................................................... 11 Preparation for delivery....................................................... APPENDIX B — Tank Coating Comparison ............................. APPENDIX C — Approved Manufacturers ............................... Transformer Loss Evaluation Form- AVERAGE LOSSES ...... Individual Transformer Loss Evaluation Form ......................... Special Conditions andSupplemental Instructions to Bidders. TAP 3 368-110 Rev Sym: D Specification for Single Phase Submersible Cover Mount Transformer 1 SCOPE This specification establishes the minimum requirements for single phase, 60 hertz, mineral oil filled, self cooled, vault type distribution transformers purchased by the City of Fort Collins Electric Department. Transformers of this design are for installation on an underground power system utilizing separable insulated connectors and may be installed in underground vaults subject to submersion. The transformer tank and all external appurtenances shall be of corrosion -resistant material, unless they are otherwise rendered corrosion resistant. 2 APPLICABLE DOCUMENTS Unless otherwise stated in this Specification, all transformers shall be new and shall conform to the American National Standard Requirements for Underground Type, Self Cooled, Single Phase Distribution Transformers, ANSI C57.12.23 - latest revision. In case of conflict, the requirements of the following documents shall apply in the priority shown: 1. This Specification. 2. Referenced ANSI Standards. Approved manufacturers are listed in Appendix C. For purposes of warranty and service, any distributor bidding must be an authorized distributor appointed by an approved manufacturer to serve the Fort Collins area. The following standards for distribution, power, and regulating transformers and shunt reactors form a part of this Specification: • General Requirements C57.12.00 • Underground Type Distribution Transformers C57.12.23 • Terminal Marking and Connections C57.12.70 • Terminology C57.12.80 • Test Code C57.12.90 • Appendix to ANSI C57.12.20 C57.91 • Separable Insulated Connectors ANSI/IEEE 386 3 KILOVOLT -AMPERE RATINGS Kilovoltampere ratings shall be continuous and based on, but not exceeding, an average winding temperature rise of 55 °C and a hottest -spot temperature rise of 70 'C. The temperature rise of the insulating oil shall be measured near the top of the tank and shall not exceed 55 'C. The transformers shall have a temperature -rise insulation system of 65 'C. The kilovoltampere ratings for transformers conforming to this standard shall be suitable for continuous operation at the rated kilovoltamperes, provided that the temperature of the cooling air (enclosure ambient temperature) does not exceed 50 °C and the average temperature of the cooling air does not exceed 40 °C for any 24-hour period. KVA ratings shall be in accordance with Table-1. 4 BUSHINGS AND TERMINALS All internal leads and connections, on both high and low voltage, shall be sized to carry full ampere rating, including overload rating of transformer. 4.1 HIGH VOLTAGE TERMINALS The number and electrical characteristics of the high voltage terminals required are specified in Table 1. High - voltage bushing wells shall be top -mounted 200A load -break interface bushings rated for 8.3/14.4 kV 4 368-110 Rev Sym: D maximum continuous voltage, and 95kV BIL and full wave crest voltage in accordance with ANSI/IEEE Standard 386. It is not required that bushing well inserts be supplied with the transformers. On phase -to -ground transformers, the H2 end of the high -voltage winding shall be connected to the tank internally. This connection shall be independent of all other electrical connections. 4.2 LOW VOLTAGE TERMINALS Terminal type and number shall be in accordance with Table 1 of this specification, and shall be positioned for additive polarity per ANSI C57.12.23 - 2000. Terminals shall be welded Central Moloney 5/8" threaded copper stud -type bushings with external epoxy. The low voltage terminals shall have a BIL of 30kV. Terminals shall be singly mounted on the top at 5.5 to 7.5 inch center to center spacing. Stud type terminals shall be Central Moloney bushings with a 5/8" copper stud. Bushings shall have dimensions in accordance with Figure 1 of this specification, with a bushing sealing surface diameter no greater than 1.38". All non- metallic components of the terminals shall be manufactured of a material resistant to ultra -violet degradation. Mounting hardware shall be corrosion resistant. 5/8" Threaded Copper Stud Max. 1.38" dia. Sealing Figure 1 — Secondary Bushing Dimensions The low -voltage neutral (X2) connection of the winding shall be made to the tank or cover but not to the core clamp. When a fully insulated terminal is used for this low -voltage neutral connection, it shall be externally identified as being internally connected to the tank or cover. 5 ELECTRICAL REQUIREMENTS Table 1 STOCK NO. 3SER AL KVA % Z HIGH VOLTAGE LOW VOLTAGE PROTECTION TYPE RATING TERMINAL(S) TAPS RATING TYPE AND NUMBER OF TERMINALS ABOVE BELOW -150 50 1.77 to 2.16 13200 GRDY/7620 One bushing well None None 240/120 Three CU stud CP -161 75 1.77 to 2.16 13200 GRDY/7620 One bushing well None None 240/120 Three CU stud CP (1) CP = current -protecting (see section 6, Overcurrent Protection); S = conventional; Fusing - current limiting protection (see section 6, Overcurrent Protection) TBD = To be Determined 5 368-110 Rev Sym: D 6 OVERCURRENT PROTECTION 6.1 CURRENT PROTECTING (CP) Current -protecting (CP) when specified in Table 1 shall include: • Full range, current limiting, under -oil primary fuse (see paragraph 6.2). • Low voltage (secondary) breaker • Signal light (if practical for particular design) • Emergency control handle 6.2 FUSING Internally mounted 8.3kV rated under -oil full range current limiting fuse which shall operate in conjunction with a secondary breaker. WA Current Limiting Fuse 50 12 Amp Hi -Tech TransGuard FX 75 20 Amp Hi -Tech TransGuard FX 7 TANK DESIGN 7.1 TANK MATERIAL Tank, cover and bottom shall be stainless steel manufactured with one of the following alloys: 1. 409 SST are preferred for the tank, cover and bottom, but will accept designs that utilize 400CB SST, or 304L SST if they are specifically approved by Utilities Electric Engineering Standards. 7.2 TANK THICKNESS The tank shall be of sufficient strength to withstand a static internal pressure of 50 kPa gauge (7.25 psig) without permanent distortion and 140 kPa gauge (20.3 psig) without rupturing. 7.3 TANK DIMENSIONS Figure 2 (below) shows maximum outside tank dimension envelope. I I I I I I � C I I I I I I I I L Figure 2 Maximum Clearance Dimensions (inches) kVA A B C* 50,75 1 27 33 44 * C dimension is measured to the top of bushing well insert (insert is provided by Utilities) 6 368-110 Rev Sym: D 7.4 TANK -MOUNTED ACCESSORIES The following tank -mounted accessories shall be provided: • (1) Tomko 1720K-1 Or Qualitrol 202-014-02 submersible stainless steel pressure relief device located on cover • (1) Tomko LG35 or Harco HLG-1065 sight gauge/oil level coupling located on cover • (2) 1.00" NPT fill couplings located on cover with brass pipe plugs • (2)'/2" - 13 SST ground pads centered on tank below primary bushing 7" from top and 7" from base, respectively • (1) 1/2" - 13 SST ground pad on top near primary bushing • (1) Stainless steel pocket type parking stand for a loadbreak stand-off device • (2) Lifting hooks opposite each other, welded on the tank near the top, positioned to allow lifting strap clearance from the bushings. • (1) Stainless steel cover -mounted instruction nameplate 7.5 TANK COATINGS An adequate tank coating for underground vault application shall be provided. Appendix B is provided as a reference for comparing coating requirements. Fort Collins Utilities Electric Department, Engineering Division, shall be the only authority regarding the adequacy of proposed coatings. The final color shall be ANSI compliant light gray paint. 8 MARKINGS • X1, X2 & X3 stainless steel identification tags with black lettering • "X2 Int. Gnd" stenciled in black on cover • Cover mounted stainless steel nameplate instruction nameplate conforming to 5.12 of ANSI C57.12.00- 2000, Nameplate A. On the nameplate or a label affixed near it, the manufacturer shall indicate that the dielectric fluid contains less than 1 ppm PCB. • Temporary serial/shipping card attached to tank lift -eye 9 LOSSES The total losses of a transformer shall be the sum of the excitation losses and the load losses (12R losses). Load loss tests shall be performed and reported on all units regardless of whether or not a record of such tests is available on duplicate units. Loss evaluations and loss costs will be based on the values shown in the "Special Conditions and Supplemental Instructions to Bidders." Transformers will be evaluated on excitation losses and 12R losses at the specified rates. If tested losses exceed quoted losses but are within the tolerances of paragraph 9.3, ANSI C57.12.00-2000, the additional cost incurred from the differential of losses will be calculated using the following equation and the above specified rates and will be deducted from the original Purchase Order or back charged to the manufacturer. In the following equation "Units" shall mean "Transformers of the same size and design on one order." Excess loss $ = [# of units] [(No Load Loss Evaluation $) (Avg. No Load Losses - Quoted No Load Losses) + (Load Loss Evaluation $) (Avg. Load Losses - Quoted Load Losses)]. If this equation results in a negative number, no credit will be given the Supplier. If any unit or units exceed the tolerances of paragraph 9.3, ANSI C57.12.00-2000, that unit or units shall not be shipped without express permission from the City. If accepted, the deduction for excess losses will be based on the following equation: Excess loss $ = (No Load Loss Evaluation $) (No Load Losses - Quoted No Load Losses) But Not Less Than Zero + (Load Loss Evaluation $) (Load Losses - Quoted Losses) But Not Less Than Zero. 7 368-110 Rev Sym: D 10 QUALITY ASSURANCE 10.1 GENERAL 10.1.1 RESPONSIBILITY FOR INSPECTION Unless otherwise specified, the vendor is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified, the vendor may utilize his own facilities or any commercial laboratory acceptable to the City of Fort Collins. The City reserves the right to perform or witness any of the inspections set forth in this Specification where such inspections are deemed necessary. 10.1.2 TEST REPORT The manufacturer shall furnish to the purchaser certified copies of the results of loss tests prior to payment. Copies of loss tests shall be sent to Standards and shall be attached to the invoice. Unsigned copies are not acceptable even if accompanied by a signed cover letter. 10.2 TEST CONDITIONS Unless otherwise specified, testing required by Section 4.4 shall be conducted under the following conditions. 10.2.1 REFERENCE TEMPERATURE The reference temperature to which losses, impedance, regulation, and efficiency are corrected shall be 85°C. 10.2.2 TOLERANCE ON IMPEDANCE VOLTAGE Nominal impedance voltage shall be in accordance with Table 1 of this specification. Completed units may vary from the specified nominal up to the tolerance specified in ANSI C57.12.00. 10.2.3 TOLERANCE ON IMPEDANCE VOLTAGE ON A TAP The percent departure of tested impedance voltage on any tap from tested impedance voltage at rated voltage shall not be greater than the total tap voltage range expressed as a percentage of the rated voltage. 10.3 TESTS The tests to be performed and the test procedures required are specified in ANSI C57.12.00, and C57.12.90. Exception: impedance and load -loss tests shall be made on each unit and may not be omitted even if a record of such tests made on a duplicate unit is available. 11 PREPARATION FOR DELIVERY Transformers shall be prefilled with the appropriate amount of transformer oil and shall be shipped by open -bed truck. Units shall be packaged in such a way as to provide for ease of handling and to protect units from shipping damage. Units shall be packaged on two-way pallets or four-way universal pallets with 34 inch minimum opening (to accommodate minimum fork spacing) and loaded on the truck for side removal. The Supplier shall provide 24- hour notice prior to delivery for any shipments where an individual transformer weighs over 5,000 pounds. In addition to these requirements, the Supplier shall comply with any additional requirements or modifications shown on the purchase order and/or supplemental instructions. 8 368-110 Rev Sym: D APPENDIX A — Transformer Stock Number Coding Below are examples that demonstrate the coding method used by City of Fort Collins to establish transformer stock numbers. I. SINGLE PHASE Example #1: l0=> Transformer Class Single Phase 00 = 13.2Y/7620 & 7620/13.2Y x 2400/4160 outside pole 05 = 13.2Y/7620 ESNA pole or 10 = 13.2Y/7620 ESNA Submersible 20 = 13.2Y/7620 ESNA pad II. THREE PHASE Example #2 m=> Transformer Class 3 Phase Pad 368 -1 BC -XYZ 368 - 300 - XYZ Other KVA 0 = 5 5=50 1=10 6=75 2=15 7=100 3=25 8=167 4=37.5 9=250 1 = single voltage 2 = dual voltage KVA 006 = 75 075 = 750 015 = 150 100 = 1000 030 = 300 150 = 1500 050 = 500 • All suffixes indicate 208Y/120 sec. • For 480Y/277 sec., add 1 to XYZ (ie. 007 would indicate a 75kVA with 480Y/277 sec.) 9 368-110 Rev Sym: D APPENDIX B - TANK COATING COMPARISON This Appendix is not intended to dictate requirements for items purchased under Specification 368-110, but is included as an aid in comparing coatings for manufacturers attempting to meet the requirements of this design. Tank coatings listed here are for reference only and shall not be considered as complete. The City of Fort Collins Utilities shall not be held responsible for patent infringements incurred through the use of this information. B.1 ARMORTEC, a fusion bonded vinyl resin having a minimum coating thickness of 15 mils. B.2 Coal -tar Epoxy having a minimum thickness of 15 mils applied in two coats over a zinc rich primer and overcoated with flow coat applied black enamel paint. B.3 Electrostatically applied thermosetting polyester applied as follows: 1. Five Stage Wash - alkaline detergent, water rinse, phosphate treatment, water rinse, and sealing rinse. 2. Delay Line - dry and cool. 3. Coat - Electrostatically coat with a thermosetting polyester. 4. Bake - Heat as recommended by polyester manufacturer to set polyester. 5. Cool. 6. Repeat Process - Repeat applicable steps of above process to obtain a minimum dry build of 6 mils. BA Ceilcote Flakeline 252 (minimum thickness 35 mils). 10 368-110 Rev Sym: D APPENDIX C - APPROVED MANUFACTURERS Transformers purchased under this Specification shall be of the make shown below. Manufacturers not listed below may submit written proposals demonstrating compliance with these Specifications for consideration of addition to the accepted manufacturer list prior to the next request for bids. In addition to inclusion on the list below, manufacturer's equipment must also satisfy all requirements of this Specification to be acceptable. Approved manufacturers must have constructed and submitted prototype units for inspection and deemed satisfactory by the Fort Collins Utilities Electric Department. APPROVED MANUFACTURERS Howard Industries The manufacturers in the following list have been conditionally approved and may bid as an alternate. The definition and intent of "Conditional Approval" of a manufacturer is to allow the Utilities to gain some experience with the manufacturer's product. Should a conditionally approved manufacturer be the evaluated low bidder, Utilities reserves the right to award all, part, or none of the order to them, dependant upon the current needs of the Utility for that item or items. CONDITIONALLY APPROVED MANUFACTURERS ABB Central Moloney General Electric 11 368-110 Rev Sym: D TRANSFORMER LOSS EVALUATION FORM- AVERAGE LOSSES City Order No. S/N Manufacturer Invoice No. KVA/U n it LINE DESCRIPTION AMOUNT (1) No. of units (2) Average core losses (3) Quoted core losses (4) Excess average core losses: line (2) less line (3) (5) Penalty for excess average core losses: line (1) x line (4) x $ 6) Average copper losses (7) Quoted copper losses (8) Excess average copper losses: line (6) less line (7) (9) Penalty for excess average copper losses: line (1) x line (8) x $ (10) Penalty to be assessed manufacturer: line (5) plus line (9) but not less than zero Date Prepared By: Design Engineering NOTE: If any unit(s) exceeds the loss tolerances of ANSI C57.12.00, Utilities Electric will either reject it, include it on these averages, or calculate losses using the Individual Transformer Losses Evaluation Form, whichever is most favorable to Utilities Electric. 12 368-110 Rev Sym: D City Order No. Manufacturer KVA/U n it (4) (5) (6) (7) (8) (12) (13) (14) Date INDIVIDUAL TRANSFORMER LOSS EVALUATION FORM S/N Invoice No. DESCRIPTION Tested core losses Quoted core losses Excess core losses line (1) less line (2) but not less than zero Percent difference line (3) , line (2) x 100 Tested total losses Quoted total losses Excess total losses line (5) less line (6) but not less than zero Percent difference line (7) , line (6) x 100 Tested copper losses Quoted copper losses Excess copper losses line (9) less line (10) but not less than zero Penalty for excess core losses line (3) x $ Penalty for excess copper losses line (11) x $ Penalty to be assessed manufacturer line (12) plus line (13) AMOUNT Prepared By: (Design Engineering) 13 368-110 Rev Sym: D SPECIAL CONDITIONS ANDSUPPLEMENTAL INSTRUCTIONS TO BIDDERS Applicable to Specification 368-110 A. Data to be Supplied with Bidder's Proposal The following data shall be supplied with the bidder's proposal in addition to that information required by the "Invitation to Bid" and the "Purchase Requisition". 1. Impedance volts in % at full load, high voltage to low voltage at 85°C. 2. No load and total losses at 85°C. 3. Protective tank coating specification. 4. A statement indicating compliance with our Specification without exception. Escalation is , is not applicable for the transformers bid. If escalation applies, the Bidder shall indicate in his bid the specific items or materials subject to escalation, and shall give the method and indices to be used in computing the amount thereof. Escalation occurring after the quoted delivery date will not be paid unless delays are the result of actions by the City. Escalation occurring after acceptance, if Purchaser exercises the option to delay shipment after manufacturing is completed, will not be paid. Failure to supply the above data shall constitute a basis for rejection of the bid. B. Loss Evaluations Loss penalties and loss evaluations will be based on the following values: 1. No load or excitation losses at $3.25/watt. 2. Load losses at $1.10/watt. C. Shipping Terms Ship F.O.B. point of destination, freight prepaid. D. Terms of Payment If escalation applies, the City of Fort Collins shall not be billed for escalation occurring after the promised delivery date. Escalation charges shall be itemized on the invoice. 2. Test reports shall accompany the invoice. If test reports do not accompany the invoice, late payment penalty charges incurred due to delays in obtaining the test reports will not be paid. Certified copies of test reports shall be sent to the Design Section, Fort Collins Light and Power Utility. 3. Loss penalty credits and escalation charges shall be itemized on the invoice. 14 368-110 City of Fort Collins Bid Proposal BID 5977 LP Transformers 50kVA Submersible City of Fort Collins BID DATE: 2:00 P.M. (Our clock) April 21, 2006 CITY OF FORT COLLINS INVITATION TO BID BID # 5977 LP Transformers 50kVA Submersible Sealed bids will be received and publicly opened at the office of the Director Of Purchasing and Risk Management, PO Box 580, 215 North Mason St., 2nd floor, Fort Collins, Colorado 80524, at the time and date noted on the bid proposal and/or contract documents. If delivered, they are to be delivered to 215 North Mason Street, 2" Floor, Fort Collins, Colorado 80524. If mailed, the address is P.O. Box 580, Fort Collins, 80522-0580. Bids must be received at the Purchasing Office prior to 2:00 p.m. (our clock), April 21, 2006. Special Instructions All bids must be properly signed by an authorized representative of the company with the legal capacity to bind the company to the agreement. Bids may be withdrawn up to the date and hour set for closing. Once bids have been accepted by the City and closing has occurred, failure to enter into contract or honor the purchase order will be cause for removal of supplier's name from the City of Fort Collins' bidders list for a period of twelve months from the date of the opening. The City may also pursue any remedies available at law or in equity. Bid prices must be held firm for a period of forty-five (45) days after bid openings. Submission of a bid is deemed as acceptance of all terms, conditions and specifications contained in the City's specifications initially provided to the bidder. Any proposed modification must be accepted in writing by the City prior to award of the bid. Only bids properly received by the Purchasing Office will be accepted. All bids should be clearly identified by the bid number and bid name contained in the bid proposal. No proposal will be accepted from, or any purchase order awarded, to any person, firm or corporation in default on any obligation to the City. Bids must be furnished exclusive of any federal excise tax, wherever applicable. Bidders must be properly licensed and secure necessary permits wherever applicable. Bidders not responding to this bid will be removed from our automated vendor listing for the subject commodities. The City may elect where applicable, to award bids on an individual item/group basis or on a total bid basis, whichever is most beneficial to the City. The City reserves the right to accept or reject any and all bids, and to waive any irregularities or informalities. Sales prohibited/conflict of interest: no officer, employee, or member of City Council, shall have a financial interest in the sale to the City of any real or personal property, equipment, material, supplies or services where such officer or employee exercises directly or indirectly any decision - making authority concerning such sale or any supervisory authority over the services to be rendered. This rule also applies to subcontracts with the City. Soliciting or accepting any gift, 09/12/01 gratuity, favor, entertainment, kickback or any items of monetary value from any person who has or is seeking to do business with the City of Fort Collins is prohibited. Freight terms: unless otherwise noted, all freight is F.O.B. Destination, Freight Prepaid. All freight charges must be included in prices submitted on proposal. Discounts: any discounts allowed for prompt payment, etc., must be reflected in bid figures and not entered as separate pricing on the proposal form. Purchasing restrictions: your authorized signature of this bid assures your firm's compliance with the City's purchasing restrictions. A copy of the resolutions are available for review in the Purchasing Office or the City Clerk's Office. Request Resolution 91-121 for cement restrictions. Collusive or sham bids: any bid deemed to be collusive or a sham bid will be rejected and reported to authorities as such. Your authorized signature of this bid assures that such bid is genuine and is not a collusive or sham bid. Bid results: for information regarding results for individual bids send a self-addressed, self -stamped envelope and a bid tally will be mailed to you. Bid results will be posted in our office 7 days after the bid opening. James B. O'Neill II, CPPO, FNIGP Director of Purchasing and Risk Management 09/12/01 FIRM NAME: CITY OF FORT COLLINS BID PROPOSAL BID NO. BID DATE: 2:00 p.m. (Our clock) April 21, 2006 WE HEREBY ENTER OUR BID FOR THE CITY OF FORT COLLINS' REQUIREMENTS FOR LP LP Transformers 50 kVA Submersible PER THE BID INVITATION AND ANY REFERENCED SPECIFICATIONS. QUANTITY: 100 Ea. DESCRIPTION: TRANSFORMER, 50 KVA SUBMERSIBLE, SINGLE PHASE WITH OVERCURRENT PROTECTION PER SPECIFICATION. ONE COVER MOUNTED SEPARABLE INSULATED LOAD BREAK HIGH VOLTAGE BUSHING WELL, THREE COVER MOUNTED STUD SECONDARY BUSHINGS. HIGH VOLTAGE RATING: 13200 GRDY/7620, LOW VOLTAGE RATING: 240/120. PER SPECIFICATION #368-110-161, REVISION D Ea. Total Mfr. Mfr. # Delivery in Weeks: *Any surcharges or additional costs shall be noted & included in bid submittal. Partial Shipments are acceptable with specified ship dates; 24 hours Notice shall to provided to JoAnn Frick or Steve Serna - Telephone 970-221-6709. Ship Dates: The transformers being bid meet or exceed the specifications. Yes No. If not, please list exceptions, (specifying paragraph reference number) on a separate sheet of paper and attach to your bid. Guaranteed No Load Loss Guaranteed Full Load Loss Guaranteed Total Load Loss Impedance (%) Escalation is , is not applicable for the transformers bid. If escalation applies, the bidder shall indicate in his bid the specific items or materials subject to escalation, and shall give the method and indices to be used in computing the amount thereof. Escalation occurring after the quoted delivery date will not be paid unless delays are the result of actions by the city. Escalation occurring after acceptance if purchaser exercises the option to delay shipment after manufacturing is completed will not be paid. 09/12/01 For purposes of warranty and service ONLY approved manufacturers or distributors authorized by an approved manufacturer to serve the Fort Collins area may bid. The City of Fort Collins reserves the right to split the bid in whatever percentages are most advantageous to the City. City of Fort Collins requires that manufacturer previously submitted trial units for testing for award of a total order. The City of Fort Collins reserves the right to order trial units from this bid submittal. Future orders of Transformers 50 kVA Submersible may be authorized, at the option of the City, from this bid for a period of three years after date of award. Satisfactory pricing and delivery is required for future orders based on this bid. SUPPLEMENTAL INSTRUCTIONS Prices quoted must remain firm for a 30 day period after the opening date. Freight terms: F.O.B. destination freight prepaid. All freight charges must be included in pricing submitted on proposal and not entered as separate pricing. Any discount allowed by Vendor for prompt payment, etc. must be reflected in quoted figure, and not entered as separate pricing. The City reserves the right to accept or reject any and all quotes. Bidder not responding to the services requested in this bid shall be removed from our automated listing for: Not Applicable Any questions or inquiries regarding this bid should be directed to: Opal F. Dick, CPPO, Senior Buyer (970) 221-6778 SIGNATURE AND TITLE: TYPED OR PRINTED NAME AND TITLE COMPANY NAME: (AREA CODE) TELEPHONE NUMBER/FAX NUMBER ADDRESS: STREET, CITY, STATE, ZIP DATE EMAIL: 09/12/01 Purchase Order Terms and Conditions 1. COMMERCIAL DETAILS. Invoice Address. To ensure prompt Payment mail invoices in duplicate to: City of Fort Collins Accounting Division P.O. Box 580 Fort Collins, CO 80522 Tax exemptions. By statute the City of Fort Collins is exempt from state and local taxes. Our Exemption Number is 98-04502. Federal Excise Tax Exemption Certificate of Registry 84-6000587 is registered with the Collector of Internal Revenue, Denver, Colorado (Ref. Colorado Revised Statutes 1973, Chapter 39-26, 114 (a). Goods Rejected. GOODS REJECTED due to failure to meet specifications, either when shipped or due to defects of damage in transit, may be returned to you for credit and are not to be replaced except upon receipt of written instructions from the City of Fort Collins. Inspection. GOODS are subject to the City of Fort Collins inspection on arrival. Final Acceptance. Receipt of the merchandise, services or equipment in response to this order can result in authorized payment on the part of the City of Fort Collins. However, it is to be understood that FINAL ACCEPTANCE is dependent upon completion of all applicable required inspection procedures. Freight Terms. Shipments must be F.O.B., City of Fort Collins, 700 Wood St., Fort Collins, CO 80522, unless otherwise specified on this order. If permission is given to prepay freight and charge separately, the original freight bill must accompany invoice. Additional charges for packing will not be accepted. Shipment Distance. Where manufacturers have distributing points in various parts of the country, shipment is expected from the nearest distribution point to destination, and excess freight will be deducted from Invoice when shipments are made from greater distance. Permits. Seller shall procure at sellers sole cost all necessary permits, certificates and licenses required by all applicable laws, regulations, ordinances and rules of the state, municipality, territory or political subdivision where the work is performed, or required by any other duly constituted public authority having jurisdiction over the work of vendor. Seller further agrees to hold the City of Fort Collins harmless from and against all liability and loss incurred by them by reason of an asserted or established violation of any such laws, regulations, ordinances, rules and requirements. Authorization. All parties to this contract agree that the representatives are, in fact, bona fide and possess full and complete authority to bind said parties. LIMITATION OF TERMS. This Purchase Order expressly limits acceptance to the terms and conditions stated herein set forth and any supplementary or additional terms and conditions annexed hereto or incorporated herein by reference. Any additional or different terms and conditions proposed by seller are objected to and hereby rejected. 2. DELIVERY. PLEASE ADVISE PURCHASING AGENT immediately if you cannot make complete shipment to arrive on your promised delivery date as noted. Time is of the essence. Delivery and performance must be effected within the time stated on the purchase order and the documents attached hereto. No acts of the Purchasers including, without limitation, acceptance of partial late deliveries, shall operate as a waiver of this provision. In the event of any delay, the Purchaser shall have, in addition to other legal and equitable remedies, the option of placing this order elsewhere and holding the Seller liable for damages. However, the Seller shall not be liable for damages as a result of delays due to causes not reasonably foreseeable which are beyond its reasonable control and without its fault of negligence, such acts of God, acts of civil or military authorities, governmental priorities, fires, strikes, flood, epidemics, wars or riots provided that notice of the conditions causing such delay is given to the Purchaser within five (5) days of the time when the Seller first received knowledge thereof. In the event of any such delay, the date of delivery shall be extended for the period equal to the time actually lost by reason of the delay. 3. WARRANTY. The Seller warrants that all goods, articles, materials and work covered by this order will conform with applicable drawings, specifications, samples and/or other descriptions given, will be fit for the purposes intended, and performed with the highest degree of care and competence in accordance with accepted standards for work of a similar nature. The Seller agrees to hold the purchaser harmless from any loss, damage or expense which the Purchaser may suffer or incur on account of the Sellers breach of warranty. The Seller shall replace, repair or make good, without cost to the purchaser, any defects or faults arising within one (1) year or within such longer period of time as may be prescribed by law or by the terms of any applicable warranty provided by the Seller after the date of acceptance of the goods furnished hereunder (acceptance not to be unreasonably delayed), resulting from imperfect or defective work done or materials furnished by the Seller. Acceptance or use of goods by the Purchaser shall not constitute a waiver of any claim under this warranty. Except as otherwise provided in this purchase order, the Sellers liability hereunder shall extend to all damages proximately caused by the breach of any of the foregoing warranties or guarantees, but such liability shall in no event include loss of profits or loss of use. NO IMPLIED WARRANTY OR MERCHANTABILITY OR OF FITNESS FOR PURPOSE SHALL APPLY. 4. CHANGES IN LEGAL TERMS. The Purchaser may make changes to legal terms by written change order. 5. CHANGES IN COMMERCIAL TERMS. The Purchaser may make any changes to the terms, other than legal terms, including additions to or deletions from the quantities originally ordered in the specifications or drawings, by verbal or written change order. If any such change affects the amount due or the time of performance hereunder, an equitable adjustment shall be made. 6. TERMINATIONS. The Purchaser may at any time by written change order, terminate this agreement as to any or all portions of the goods then not shipped, subject to any equitable adjustment between the parties as to any work or materials then in progress provided that the Purchaser shall not be liable for any claims for anticipated profits on the uncompleted portion of the goods and/or work, for incidental or consequential damages, and that no such adjustment be made in favor of the Seller with respect to any goods which are the Sellers standard stock. No such termination shall relieve the Purchaser or the Seller of any of their obligations as to any goods delivered hereunder. 7. CLAIMS FOR ADJUSTMENT. Any claim for adjustment must be asserted within thirty (30) days from the date the change or termination is ordered. 8. COMPLIANCE WITH LAW. The Seller warrants that all goods sold hereunder shall have been produced, sold, delivered and furnished in strict compliance with all applicable laws and regulations to which the goods are subject. The Seller shall execute and deliver such documents as may be required to effect or evidence compliance. All laws and regulations required to be incorporated in agreements of this character are hereby incorporated herein by this reference. The Seller agrees to indemnify and hold the Purchaser harmless from all costs and damages suffered by the Purchaser as a result of the Sellers failure to comply with such law. 9. ASSIGNMENT. Neither party shall assign, transfer, or convey this order, or any monies due or to become due hereunder without the prior written consent of the other party. 10. TITLE. The Seller warrants full, clear and unrestricted title to the Purchaser for all equipment, materials, and items furnished in performance of this agreement, free and clear of any and all liens, restrictions, reservations, security interest encumbrances and claims of others. 11. NONWAIVER. Failure of the Purchaser to insist upon strict performance of the terms and conditions hereof, failure or delay to exercise any rights or remedies provided herein or by law, failure to promptly notify the Seller in the event of a breach, the acceptance of or payment for goods hereunder or approval of the design, shall not release the Seller of any of the warranties or obligations of this purchase order and shall not be deemed a waiver of any right of the purchaser to insist upon strict performance hereof or any of its rights or remedies as to any such goods, regardless of when shipped, received or accepted, as to any prior or subsequent default hereunder, nor shall any purported oral modification or rescission of this purchase order by the Purchaser operate as a waiver of any of the terms hereof. 12. ASSIGNMENT OF ANTITRUST CLAIMS. Seller and the Purchaser recognize that in actual economic practice, overcharges resulting from antitrust violations are in fact borne by the Purchaser. Theretofore, for good cause and as consideration for executing this purchase order, the Seller hereby assigns to the Purchaser any and all claims it may now have or hereafter acquired under federal or state antitrust laws for such overcharges relating to the particular goods or services purchased or acquired by the Purchaser pursuant to this purchase order. 13. PURCHASERS PERFORMANCE OF SELLERS OBLIGATIONS. If the Purchaser directs the Seller to correct nonconforming or defective goods by a date to be agreed upon by the Purchaser and the Seller, and the Seller thereafter indicates its inability or unwillingness to comply, the Purchaser may cause the work to be performed by the most expeditious means available to it, and the Seller shall pay all costs associated with such work. The Seller shall release the Purchaser and its contractors of any tier from all liability and claims of any nature resulting from the performance of such work. This release shall apply even in the event of fault of negligence of the party released and shall extend to the directors, officers and employees of such party. The Seller's contractual obligations, including warranty, shall not be deemed to be reduced, in any way, because such work is performed or caused to be performed by the Purchaser. 14. PATENTS. Whenever the Seller is required to use any design, device, material or process covered by letter, patent, trademark or copyright, the Seller shall indemnify and save harmless the Purchaser from any and all claims for infringement by reason of the use of such patented design, device, material or process in connection with the contract, and shall indemnity the Purchaser for any cost, expense or damage which it may be obliged to pay by reason of such infringement at any time during the prosecution or after the completion of the work. In case said equipment, or any part thereof or the intended use of the goods, is in such suit held to constitute infringement and the use of said equipment or part is enjoined, the Seller shall, at its own expense and at its option, either procure for the Purchaser the right to continue using said equipment or parts, replace the same with substantially equal but non -infringing equipment, or modify it so it becomes non -infringing. 15. INSOLVENCY. If the Seller shall become insolvent or bankrupt, make an assignment for the benefit of creditors, appoint a receiver or trustee for any of the Sellers property or business, this order may forthwith be canceled by the Purchaser without liability. 16. GOVERNING LAW. The definitions of terms used or the interpretation of the agreement and the rights of all parties hereunder shall be construed under and governed by the laws of the State of Colorado, USA. The following Additional Conditions apply only in cases where the Seller is to perform work hereunder, including the services of Sellers Representative(s), on the premises of others. 17. SELLERS RESPONSIBILITY. The Seller shall carry on said work at Seller's own risk until the same is fully completed and accepted, and shall, in case of any accident, destruction or injury to the work and/or materials before Seller's final completion and acceptance, complete the work at Seller's own expense and to the satisfaction of the Purchaser. When materials and equipment are furnished by others for installation or erection by the Seller, the Seller shall receive, unload, store and handle same at the site and become responsible therefor as though such materials and/or equipment were being furnished by the Seller under the order. 18. INSURANCE. The Seller shall, at his own expense, provide for the payment of workers compensation, including occupational disease benefits, to its employees employed on or in connection with the work covered by this purchase order, and/or to their dependents in accordance with the laws of the state in which the work is to be done. The Seller shall also carry comprehensive general liability including, but not limited to, contractual and automobile public liability insurance with bodily injury and death limits of at least $300,000 for any one person, $500,000 for any one accident and property damage limit per accident of $400,000. The Seller shall likewise require his contractors, if any, to provide for such compensation and insurance. Before any of the Sellers or his contractors employees shall do any work upon the premises of others, the Seller shall furnish the Purchaser with a certificate that such compensation and insurance have been provided. Such certificates shall specify the date when such compensation and insurance have been provided. Such certificates shall specify the date when such compensation and insurance expires. The Seller agrees that such compensation and insurance shall be maintained until after the entire work is completed and accepted. 19. PROTECTION AGAINST ACCIDENTS AND DAMAGES. The Seller hereby assumes the entire responsibility and liability for any and all damage, loss or injury of any kind or nature whatsoever to persons or property caused by or resulting from the execution of the work provided for in this purchase order or in connection herewith. The Seller will indemnify and hold harmless the Purchaser and any or all of the Purchasers officers, agents and employees from and against any and all claims, losses, damages, charges or expenses, whether direct or indirect, and whether to persons or property to which the Purchaser may be put or subject by reason of any act, action, neglect, omission or default on the part of the Seller, any of his contractors, or any of the Sellers or contractors officers, agents or employees. In case any suit or other proceedings shall be brought against the Purchaser, or its officers, agents or employees at any time on account or by reason of any act, action, neglect, omission or default of the Seller of any of his contractors or any of its or their officers, agents or employees as aforesaid, the Seller hereby agrees to assume the defense thereof and to defend the same at the Sellers own expense, to pay any and all costs, charges, attorneys fees and other expenses, any and all judgments that may be incurred by or obtained against the Purchaser or any of its or their officers, agents or employees in such suits or other proceedings, and in case judgment or other lien be placed upon or obtained against the property of the Purchaser, or said parties in or as a result of such suits or other proceedings, the Seller will at once cause the same to be dissolved and discharged by giving bond or otherwise. The Seller and his contractors shall take all safety precautions, furnish and install all guards necessary for the prevention of accidents, comply with all laws and regulations with regard to safety including, but without limitation, the Occupational Safety and Health Act of 1970 and all rules and regulations issued pursuant thereto. 9190 Revised 11/91 09/12/01 THE CITY OF FORT COLLINS UTILITIES Electric Department P.O. Box 580 Fort Collins, CO 80522 SPECIFICATION NO: 368-11 U TITLE: Single Phase Submersible Cover Mount Transformer APPROVED BY: Kraig Bade Standards Engineering Manager ORIGINATED: June 1999 LAST REVISED: April 10, 2006 Rev Sym: D REVISION DESCRIPTIONS REVISION DESCRIPTION APPROVED REVISION A Tim Sagen • Revised tank material in section 6 Bill Bray 12/15/2000 REVISION B Kraig Bader • Rewrote specification with reference to IEEE submersible specification C57.12.23. 9/20/2005 • Overcurrent protection changed: Secondary breaker in conjunction with under -oil full range current limiting primary fuse. • Only one thermal design is specified now. Previous revision allowed two thermal designs, but did not indicate a preference. Revision C Kraig Bader • Corrected stock numbers in Table 1. 11/17/05 • Amended paragraph 7.1 -1 to clarify the alloys specified for the construction of the transformer. • Section 7.4: Removed requirement for tank drain (1.00" NPT flush coupling with brass pipe plug). Tank drain increases the vulnerability of the tank to rust, and subsequent leaking in a submersible environment. • Section 7.4: Amended statement regarding lifting eyes — removed requirement for lifting eyes to be located on "the front and backside of"the transformer. • Removed statement in paragraph 8 requiring "Bayonet warning decals located near bayonet fuse." As design progressed, the decision to use secondary breaker in conjunction with full range CL fuses removes the need for bayonet warning labels. • Corrected secondary voltage rating in Section 5, Table 1 from 120/240 to 240/120. (120/240 rated units require 4 LV bushings , and we specify 3 LV bushings.) Revision D Kraig Bader • Revised Approved Manufacturer Table to confirm receipt and inspection of 4/10/06 prototype units manufactured in conformance with this specification. 2 368-110 Rev Sym: D TABLE OF CONTENTS REVISION DESCRIPTIONS.................................................... 1 Scope.................................................................................... 2 Applicable Documents.......................................................... 3 Kilovolt -ampere ratings......................................................... 4 bushings and Terminals........................................................ 4.1 HIGH VOLTAGE TERMINALS ....................................... 4.2 LOW VOLTAGE TERMINALS ....................................... 5 Electrical Requirements........................................................ 6 Overcurrent protection.......................................................... 6.1 CURRENT PROTECTING(CP)..................................... 6.2 FUSING.......................................................................... 7 tank design............................................................................ 7.1 TANK MATERIAL........................................................... 7.2 TANK THICKNESS........................................................ 7.3 TANK DIMENSIONS...................................................... 7.4 TANK -MOUNTED ACCESSORIES ............................... 7.5 TANK COATINGS.......................................................... 8 Markings............................................................................... 9 Losses................................................................................... 10 QUALITY ASSURANCE..................................................... 10.1 GENERAL.................................................................... 10.1.1 RESPONSIBILITY FOR INSPECTION ................. 10.1.2 TEST REPORT ...................................................... 10.2 TEST CONDITIONS.................................................... 10.2.1 REFERENCE TEMPERATURE ............................ 10.2.2 TOLERANCE ON IMPEDANCE VOLTAGE.......... 10.2.3 TOLERANCE ON IMPEDANCE VOLTAGE ON A 10.3 TESTS.......................................................................... 11 Preparation for delivery....................................................... APPENDIX B — Tank Coating Comparison ............................. APPENDIX C — Approved Manufacturers ............................... Transformer Loss Evaluation Form- AVERAGE LOSSES ...... Individual Transformer Loss Evaluation Form ......................... Special Conditions andSupplemental Instructions to Bidders. TAP 3 368-110 Rev Sym: D Specification for Single Phase Submersible Cover Mount Transformer 1 SCOPE This specification establishes the minimum requirements for single phase, 60 hertz, mineral oil filled, self cooled, vault type distribution transformers purchased by the City of Fort Collins Electric Department. Transformers of this design are for installation on an underground power system utilizing separable insulated connectors and may be installed in underground vaults subject to submersion. The transformer tank and all external appurtenances shall be of corrosion -resistant material, unless they are otherwise rendered corrosion resistant. 2 APPLICABLE DOCUMENTS Unless otherwise stated in this Specification, all transformers shall be new and shall conform to the American National Standard Requirements for Underground Type, Self Cooled, Single Phase Distribution Transformers, ANSI C57.12.23 - latest revision. In case of conflict, the requirements of the following documents shall apply in the priority shown: 1. This Specification. 2. Referenced ANSI Standards. Approved manufacturers are listed in Appendix C. For purposes of warranty and service, any distributor bidding must be an authorized distributor appointed by an approved manufacturer to serve the Fort Collins area. The following standards for distribution, power, and regulating transformers and shunt reactors form a part of this Specification: • General Requirements C57.12.00 • Underground Type Distribution Transformers C57.12.23 • Terminal Marking and Connections C57.12.70 • Terminology C57.12.80 • Test Code C57.12.90 • Appendix to ANSI C57.12.20 C57.91 • Separable Insulated Connectors ANSI/IEEE 386 3 KILOVOLT -AMPERE RATINGS Kilovoltampere ratings shall be continuous and based on, but not exceeding, an average winding temperature rise of 55 °C and a hottest -spot temperature rise of 70 'C. The temperature rise of the insulating oil shall be measured near the top of the tank and shall not exceed 55 'C. The transformers shall have a temperature -rise insulation system of 65 'C. The kilovoltampere ratings for transformers conforming to this standard shall be suitable for continuous operation at the rated kilovoltamperes, provided that the temperature of the cooling air (enclosure ambient temperature) does not exceed 50 °C and the average temperature of the cooling air does not exceed 40 °C for any 24-hour period. KVA ratings shall be in accordance with Table-1. 4 BUSHINGS AND TERMINALS All internal leads and connections, on both high and low voltage, shall be sized to carry full ampere rating, including overload rating of transformer. 4.1 HIGH VOLTAGE TERMINALS The number and electrical characteristics of the high voltage terminals required are specified in Table 1. High - voltage bushing wells shall be top -mounted 200A load -break interface bushings rated for 8.3/14.4 kV 4 368-110 Rev Sym: D maximum continuous voltage, and 95kV BIL and full wave crest voltage in accordance with ANSI/IEEE Standard 386. It is not required that bushing well inserts be supplied with the transformers. On phase -to -ground transformers, the H2 end of the high -voltage winding shall be connected to the tank internally. This connection shall be independent of all other electrical connections. 4.2 LOW VOLTAGE TERMINALS Terminal type and number shall be in accordance with Table 1 of this specification, and shall be positioned for additive polarity per ANSI C57.12.23 - 2000. Terminals shall be welded Central Moloney 5/8" threaded copper stud -type bushings with external epoxy. The low voltage terminals shall have a BIL of 30kV. Terminals shall be singly mounted on the top at 5.5 to 7.5 inch center to center spacing. Stud type terminals shall be Central Moloney bushings with a 5/8" copper stud. Bushings shall have dimensions in accordance with Figure 1 of this specification, with a bushing sealing surface diameter no greater than 1.38". All non- metallic components of the terminals shall be manufactured of a material resistant to ultra -violet degradation. Mounting hardware shall be corrosion resistant. 5/8" Threaded Copper Stud Max. 1.38" dia. Sealing Figure 1 — Secondary Bushing Dimensions The low -voltage neutral (X2) connection of the winding shall be made to the tank or cover but not to the core clamp. When a fully insulated terminal is used for this low -voltage neutral connection, it shall be externally identified as being internally connected to the tank or cover. 5 ELECTRICAL REQUIREMENTS Table 1 STOCK NO. 3SER AL KVA % Z HIGH VOLTAGE LOW VOLTAGE PROTECTION TYPE RATING TERMINAL(S) TAPS RATING TYPE AND NUMBER OF TERMINALS ABOVE BELOW -150 50 1.77 to 2.16 13200 GRDY/7620 One bushing well None None 240/120 Three CU stud CP -161 75 1.77 to 2.16 13200 GRDY/7620 One bushing well None None 240/120 Three CU stud CP (1) CP = current -protecting (see section 6, Overcurrent Protection); S = conventional; Fusing - current limiting protection (see section 6, Overcurrent Protection) TBD = To be Determined 5 368-110 Rev Sym: D 6 OVERCURRENT PROTECTION 6.1 CURRENT PROTECTING (CP) Current -protecting (CP) when specified in Table 1 shall include: • Full range, current limiting, under -oil primary fuse (see paragraph 6.2). • Low voltage (secondary) breaker • Signal light (if practical for particular design) • Emergency control handle 6.2 FUSING Internally mounted 8.3kV rated under -oil full range current limiting fuse which shall operate in conjunction with a secondary breaker. WA Current Limiting Fuse 50 12 Amp Hi -Tech TransGuard FX 75 20 Amp Hi -Tech TransGuard FX 7 TANK DESIGN 7.1 TANK MATERIAL Tank, cover and bottom shall be stainless steel manufactured with one of the following alloys: 1. 409 SST are preferred for the tank, cover and bottom, but will accept designs that utilize 400CB SST, or 304L SST if they are specifically approved by Utilities Electric Engineering Standards. 7.2 TANK THICKNESS The tank shall be of sufficient strength to withstand a static internal pressure of 50 kPa gauge (7.25 psig) without permanent distortion and 140 kPa gauge (20.3 psig) without rupturing. 7.3 TANK DIMENSIONS Figure 2 (below) shows maximum outside tank dimension envelope. I I I I I I � C I I I I I I I I L Figure 2 Maximum Clearance Dimensions (inches) kVA A B C* 50,75 1 27 33 44 * C dimension is measured to the top of bushing well insert (insert is provided by Utilities) 6 368-110 Rev Sym: D 7.4 TANK -MOUNTED ACCESSORIES The following tank -mounted accessories shall be provided: • (1) Tomko 1720K-1 Or Qualitrol 202-014-02 submersible stainless steel pressure relief device located on cover • (1) Tomko LG35 or Harco HLG-1065 sight gauge/oil level coupling located on cover • (2) 1.00" NPT fill couplings located on cover with brass pipe plugs • (2)'/2" - 13 SST ground pads centered on tank below primary bushing 7" from top and 7" from base, respectively • (1) 1/2" - 13 SST ground pad on top near primary bushing • (1) Stainless steel pocket type parking stand for a loadbreak stand-off device • (2) Lifting hooks opposite each other, welded on the tank near the top, positioned to allow lifting strap clearance from the bushings. • (1) Stainless steel cover -mounted instruction nameplate 7.5 TANK COATINGS An adequate tank coating for underground vault application shall be provided. Appendix B is provided as a reference for comparing coating requirements. Fort Collins Utilities Electric Department, Engineering Division, shall be the only authority regarding the adequacy of proposed coatings. The final color shall be ANSI compliant light gray paint. 8 MARKINGS • X1, X2 & X3 stainless steel identification tags with black lettering • "X2 Int. Gnd" stenciled in black on cover • Cover mounted stainless steel nameplate instruction nameplate conforming to 5.12 of ANSI C57.12.00- 2000, Nameplate A. On the nameplate or a label affixed near it, the manufacturer shall indicate that the dielectric fluid contains less than 1 ppm PCB. • Temporary serial/shipping card attached to tank lift -eye 9 LOSSES The total losses of a transformer shall be the sum of the excitation losses and the load losses (12R losses). Load loss tests shall be performed and reported on all units regardless of whether or not a record of such tests is available on duplicate units. Loss evaluations and loss costs will be based on the values shown in the "Special Conditions and Supplemental Instructions to Bidders." Transformers will be evaluated on excitation losses and 12R losses at the specified rates. If tested losses exceed quoted losses but are within the tolerances of paragraph 9.3, ANSI C57.12.00-2000, the additional cost incurred from the differential of losses will be calculated using the following equation and the above specified rates and will be deducted from the original Purchase Order or back charged to the manufacturer. In the following equation "Units" shall mean "Transformers of the same size and design on one order." Excess loss $ = [# of units] [(No Load Loss Evaluation $) (Avg. No Load Losses - Quoted No Load Losses) + (Load Loss Evaluation $) (Avg. Load Losses - Quoted Load Losses)]. If this equation results in a negative number, no credit will be given the Supplier. If any unit or units exceed the tolerances of paragraph 9.3, ANSI C57.12.00-2000, that unit or units shall not be shipped without express permission from the City. If accepted, the deduction for excess losses will be based on the following equation: Excess loss $ = (No Load Loss Evaluation $) (No Load Losses - Quoted No Load Losses) But Not Less Than Zero + (Load Loss Evaluation $) (Load Losses - Quoted Losses) But Not Less Than Zero. 7 368-110 Rev Sym: D 10 QUALITY ASSURANCE 10.1 GENERAL 10.1.1 RESPONSIBILITY FOR INSPECTION Unless otherwise specified, the vendor is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified, the vendor may utilize his own facilities or any commercial laboratory acceptable to the City of Fort Collins. The City reserves the right to perform or witness any of the inspections set forth in this Specification where such inspections are deemed necessary. 10.1.2 TEST REPORT The manufacturer shall furnish to the purchaser certified copies of the results of loss tests prior to payment. Copies of loss tests shall be sent to Standards and shall be attached to the invoice. Unsigned copies are not acceptable even if accompanied by a signed cover letter. 10.2 TEST CONDITIONS Unless otherwise specified, testing required by Section 4.4 shall be conducted under the following conditions. 10.2.1 REFERENCE TEMPERATURE The reference temperature to which losses, impedance, regulation, and efficiency are corrected shall be 85°C. 10.2.2 TOLERANCE ON IMPEDANCE VOLTAGE Nominal impedance voltage shall be in accordance with Table 1 of this specification. Completed units may vary from the specified nominal up to the tolerance specified in ANSI C57.12.00. 10.2.3 TOLERANCE ON IMPEDANCE VOLTAGE ON A TAP The percent departure of tested impedance voltage on any tap from tested impedance voltage at rated voltage shall not be greater than the total tap voltage range expressed as a percentage of the rated voltage. 10.3 TESTS The tests to be performed and the test procedures required are specified in ANSI C57.12.00, and C57.12.90. Exception: impedance and load -loss tests shall be made on each unit and may not be omitted even if a record of such tests made on a duplicate unit is available. 11 PREPARATION FOR DELIVERY Transformers shall be prefilled with the appropriate amount of transformer oil and shall be shipped by open -bed truck. Units shall be packaged in such a way as to provide for ease of handling and to protect units from shipping damage. Units shall be packaged on two-way pallets or four-way universal pallets with 34 inch minimum opening (to accommodate minimum fork spacing) and loaded on the truck for side removal. The Supplier shall provide 24- hour notice prior to delivery for any shipments where an individual transformer weighs over 5,000 pounds. In addition to these requirements, the Supplier shall comply with any additional requirements or modifications shown on the purchase order and/or supplemental instructions. 8 368-110 Rev Sym: D APPENDIX A — Transformer Stock Number Coding Below are examples that demonstrate the coding method used by City of Fort Collins to establish transformer stock numbers. I. SINGLE PHASE Example #1: l0=> Transformer Class Single Phase 00 = 13.2Y/7620 & 7620/13.2Y x 2400/4160 outside pole 05 = 13.2Y/7620 ESNA pole or 10 = 13.2Y/7620 ESNA Submersible 20 = 13.2Y/7620 ESNA pad II. THREE PHASE Example #2 m=> Transformer Class 3 Phase Pad 368 -1 BC -XYZ 368 - 300 - XYZ Other KVA 0 = 5 5=50 1=10 6=75 2=15 7=100 3=25 8=167 4=37.5 9=250 1 = single voltage 2 = dual voltage KVA 006 = 75 075 = 750 015 = 150 100 = 1000 030 = 300 150 = 1500 050 = 500 • All suffixes indicate 208Y/120 sec. • For 480Y/277 sec., add 1 to XYZ (ie. 007 would indicate a 75kVA with 480Y/277 sec.) 9 368-110 Rev Sym: D APPENDIX B - TANK COATING COMPARISON This Appendix is not intended to dictate requirements for items purchased under Specification 368-110, but is included as an aid in comparing coatings for manufacturers attempting to meet the requirements of this design. Tank coatings listed here are for reference only and shall not be considered as complete. The City of Fort Collins Utilities shall not be held responsible for patent infringements incurred through the use of this information. B.1 ARMORTEC, a fusion bonded vinyl resin having a minimum coating thickness of 15 mils. B.2 Coal -tar Epoxy having a minimum thickness of 15 mils applied in two coats over a zinc rich primer and overcoated with flow coat applied black enamel paint. B.3 Electrostatically applied thermosetting polyester applied as follows: 1. Five Stage Wash - alkaline detergent, water rinse, phosphate treatment, water rinse, and sealing rinse. 2. Delay Line - dry and cool. 3. Coat - Electrostatically coat with a thermosetting polyester. 4. Bake - Heat as recommended by polyester manufacturer to set polyester. 5. Cool. 6. Repeat Process - Repeat applicable steps of above process to obtain a minimum dry build of 6 mils. BA Ceilcote Flakeline 252 (minimum thickness 35 mils). 10 368-110 Rev Sym: D APPENDIX C - APPROVED MANUFACTURERS Transformers purchased under this Specification shall be of the make shown below. Manufacturers not listed below may submit written proposals demonstrating compliance with these Specifications for consideration of addition to the accepted manufacturer list prior to the next request for bids. In addition to inclusion on the list below, manufacturer's equipment must also satisfy all requirements of this Specification to be acceptable. Approved manufacturers must have constructed and submitted prototype units for inspection and deemed satisfactory by the Fort Collins Utilities Electric Department. APPROVED MANUFACTURERS Howard Industries The manufacturers in the following list have been conditionally approved and may bid as an alternate. The definition and intent of "Conditional Approval" of a manufacturer is to allow the Utilities to gain some experience with the manufacturer's product. Should a conditionally approved manufacturer be the evaluated low bidder, Utilities reserves the right to award all, part, or none of the order to them, dependant upon the current needs of the Utility for that item or items. CONDITIONALLY APPROVED MANUFACTURERS ABB Central Moloney General Electric 11 368-110 Rev Sym: D TRANSFORMER LOSS EVALUATION FORM- AVERAGE LOSSES City Order No. S/N Manufacturer Invoice No. KVA/U n it LINE DESCRIPTION AMOUNT (1) No. of units (2) Average core losses (3) Quoted core losses (4) Excess average core losses: line (2) less line (3) (5) Penalty for excess average core losses: line (1) x line (4) x $ 6) Average copper losses (7) Quoted copper losses (8) Excess average copper losses: line (6) less line (7) (9) Penalty for excess average copper losses: line (1) x line (8) x $ (10) Penalty to be assessed manufacturer: line (5) plus line (9) but not less than zero Date Prepared By: Design Engineering NOTE: If any unit(s) exceeds the loss tolerances of ANSI C57.12.00, Utilities Electric will either reject it, include it on these averages, or calculate losses using the Individual Transformer Losses Evaluation Form, whichever is most favorable to Utilities Electric. 12 368-110 Rev Sym: D City Order No. Manufacturer KVA/U n it (4) (5) (6) (7) (8) (12) (13) (14) Date INDIVIDUAL TRANSFORMER LOSS EVALUATION FORM S/N Invoice No. DESCRIPTION Tested core losses Quoted core losses Excess core losses line (1) less line (2) but not less than zero Percent difference line (3) , line (2) x 100 Tested total losses Quoted total losses Excess total losses line (5) less line (6) but not less than zero Percent difference line (7) , line (6) x 100 Tested copper losses Quoted copper losses Excess copper losses line (9) less line (10) but not less than zero Penalty for excess core losses line (3) x $ Penalty for excess copper losses line (11) x $ Penalty to be assessed manufacturer line (12) plus line (13) AMOUNT Prepared By: (Design Engineering) 13 368-110 Rev Sym: D SPECIAL CONDITIONS ANDSUPPLEMENTAL INSTRUCTIONS TO BIDDERS Applicable to Specification 368-110 A. Data to be Supplied with Bidder's Proposal The following data shall be supplied with the bidder's proposal in addition to that information required by the "Invitation to Bid" and the "Purchase Requisition". 1. Impedance volts in % at full load, high voltage to low voltage at 85°C. 2. No load and total losses at 85°C. 3. Protective tank coating specification. 4. A statement indicating compliance with our Specification without exception. Escalation is , is not applicable for the transformers bid. If escalation applies, the Bidder shall indicate in his bid the specific items or materials subject to escalation, and shall give the method and indices to be used in computing the amount thereof. Escalation occurring after the quoted delivery date will not be paid unless delays are the result of actions by the City. Escalation occurring after acceptance, if Purchaser exercises the option to delay shipment after manufacturing is completed, will not be paid. Failure to supply the above data shall constitute a basis for rejection of the bid. B. Loss Evaluations Loss penalties and loss evaluations will be based on the following values: 1. No load or excitation losses at $3.25/watt. 2. Load losses at $1.10/watt. C. Shipping Terms Ship F.O.B. point of destination, freight prepaid. D. Terms of Payment If escalation applies, the City of Fort Collins shall not be billed for escalation occurring after the promised delivery date. Escalation charges shall be itemized on the invoice. 2. Test reports shall accompany the invoice. If test reports do not accompany the invoice, late payment penalty charges incurred due to delays in obtaining the test reports will not be paid. Certified copies of test reports shall be sent to the Design Section, Fort Collins Light and Power Utility. 3. Loss penalty credits and escalation charges shall be itemized on the invoice. 14 368-110 gratuity, favor, entertainment, kickback or any items of monetary value from any person who has or is seeking to do business with the City of Fort Collins is prohibited. Freight terms: unless otherwise noted, all freight is F.O.B. Destination, Freight Prepaid. All freight charges must be included in prices submitted on proposal. Discounts: any discounts allowed for prompt payment, etc., must be reflected in bid figures and not entered as separate pricing on the proposal form. Purchasing restrictions: your authorized signature of this bid assures your firm's compliance with the City's purchasing restrictions. A copy of the resolutions are available for review in the Purchasing Office or the City Clerk's Office. Request Resolution 91-121 for cement restrictions. Collusive or sham bids: any bid deemed to be collusive or a sham bid will be rejected and reported to authorities as such. Your authorized signature of this bid assures that such bid is genuine and is not a collusive or sham bid. Bid results: for information regarding results for individual bids send a self-addressed, self -stamped envelope and a bid tally will be mailed to you. Bid results will be posted in our office 7 days after the bid opening. James B. O'Neill 11, CPPO, FNIGP Director of Purchasing and Risk Management 09/12/01 FIRM NAME: CITY OF FORT COLLINS BID PROPOSAL BID NO. BID DATE: 2:00 p.m. (Our clock) April 21, 2006 WE HEREBY ENTER OUR BID FOR THE CITY OF FORT COLLINS' REQUIREMENTS FOR LP LP Transformers 50 kVA Submersible PER THE BID INVITATION AND ANY REFERENCED SPECIFICATIONS. QUANTITY: DESCRIPTION: 100 Ea. TRANSFORMER, 50 KVA SUBMERSIBLE, SINGLE PHASE WITH OVERCURRENT PROTECTION PER SPECIFICATION. ONE COVER MOUNTED SEPARABLE INSULATED LOAD BREAK HIGH VOLTAGE BUSHING WELL, THREE COVER MOUNTED STUD SECONDARY BUSHINGS. HIGH VOLTAGE RATING: 13200 GRDY/7620, LOW VOLTAGE RATING: 240/120. PER SPECIFICATION #368-110-161, REVISION D $ Ea. Mfr. Mfr. # Delivery in Weeks: "Any surcharges or additional costs shall be noted & included in bid submittal. Total Partial Shipments are acceptable with specified ship dates; 24 hours Notice shall to provided to JoAnn Frick or Steve Serna - Telephone 970-221-6709. Ship Dates: The transformers being bid meet or exceed the specifications. Yes No. If not, please list exceptions, (specifying paragraph reference number) on a separate sheet of paper and attach to your bid. Guaranteed No Load Loss Guaranteed Full Load Loss Guaranteed Total Load Loss Impedance (%) Escalation is , is not applicable for the transformers bid. If escalation applies, the bidder shall indicate in his bid the specific items or materials subject to escalation, and shall give the method and indices to be used in computing the amount thereof. Escalation occurring after the quoted delivery date will not be paid unless delays are the result of actions by the city. Escalation occurring after acceptance if purchaser exercises the option to delay shipment after manufacturing is completed will not be paid. 09/12/01 For purposes of warranty and service ONLY approved manufacturers or distributors authorized by an approved manufacturer to serve the Fort Collins area may bid. The City of Fort Collins reserves the right to split the bid in whatever percentages are most advantageous to the City. City of Fort Collins requires that manufacturer previously submitted trial units for testing for award of a total order. The City of Fort Collins reserves the right to order trial units from this bid submittal. Future orders of Transformers 50 kVA Submersible may be authorized, at the option of the City, from this bid for a period of three years after date of award. Satisfactory pricing and delivery is required for future orders based on this bid. SUPPLEMENTAL INSTRUCTIONS Prices quoted must remain firm for a 30 day period after the opening date. Freight terms: F.O.B. destination freight prepaid. All freight charges must be included in pricing submitted on proposal and not entered as separate pricing. Any discount allowed by Vendor for prompt payment, etc. must be reflected in quoted figure, and not entered as separate pricing. The City reserves the right to accept or reject any and all quotes. Bidder not responding to the services requested in this bid shall be removed from our automated listing for: Not Applicable Any questions or inquiries regarding this bid should be directed to: Opal F. Dick, CPPO, Senior Buyer (970) 221-6778 TURE AND TITLE: TYPED OR PRINTED NAME AND TITLE COMPANY NAME: (AREA CODE) TELEPHONE NUMBER/FAX NUMBER ADDRESS: STREET, CITY, STATE, ZIP DATE EMAIL: 09/12/01 Purchase Order Terms and Conditions 1. COMMERCIAL DETAILS. Invoice Address. To ensure prompt Payment mail invoices in duplicate W: City of Fort Collins Accounting Division P.O. Box 580 Fort Collins, CO 80522 Tax exemptions. By statute the City of Fort Collins is exempt from state and local taxes. Our Exemption Number is 98-04502. Federal Excise Tax Exemption Certificate of Registry 84-6000587 is registered with the Collector of Internal Revenue, Denver, Colorado (Ref. Colorado Revised Statutes 1973, Chapter 39-26, 114 (a). Goods Rejected. GOODS REJECTED due to failure to most specifications, either when shipped or due to defects of damage in transit, may be returned to you for credit and are not to be replaced except upon receipt of written instructions from the City of Fort Collins. Inspection. GOODS are subject to the City of Fort Collins inspection on arrival. Final Acceptance. Receipt of the merchandise, services or equipment in response to this order can result in authorized payment on the part of the City of Fort Collins. However, it is to be understood that FINAL ACCEPTANCE is dependent upon completion ofall applicable required inspection procedures. Freight Terms. Shipments must be F.O.B., City of Fort Collins, 700 Wood St., Fart Collins, CO 80522, unless otherwise specified on this order. If permission is given to prepay freight and charge separately, the original freight bill must accompany invoice. Additional charges for packing will not be accepted. Shipment Distance. Where manufacturers have distributing points in various parts of the country, shipment is expected from the nearest distribution point to destination, and excess freight will be deducted from Invoice when shipments are made from greater distance. Permits. Seller shall procure at sellers sole cost all necessary permits, certificates and licenses required by all applicable laws, regulations, ordinances and miss tithe state, municipality, territory or political subdivision where the work is performed, or required by any other duly constituted public authority having jurisdiction over the work of vendor. Seller further agrees to hod the City of Fort Collins harmless from and against all liability and loss incurred by them by reason of an asserted or established violation of any such laws, regulations, ordinances, miss and requirements. Authorization. All parties to this contract agree that the representatives are, in fad, bona fide and possess full and complete authority to bind said parties. LIMITATION OF TERMS. This Purchase Order expressly limits acceptance to the terms and conditions stated herein set forth and any supplementary or additional terms and conditions annexed hereto or incorporated herein by reference. Any additional or different terms and conditions proposed by seller are objected to and hereby rejected. 2. DELIVERY. PLEASE ADVISE PURCHASING AGENT immediately 8 you cannot make complete shipment to arrive on your promised delivery date as noted. Time is of the essence. Delivery and performance must be affected within the time stated on the purchase order and the documents attached hereto. No acts of the Purchasers including, without limitation, acceptance of partial late deliveries, shall operate as a waiver of this provision. In the event of any delay, the Purchaser shall have, in addition to other legal and equitable remedies, the option of placing this order elsewhere and holding the Seller liable for damages. However, the Seller shall not be liable for damages as a result of delays due to causes not reasonably foreseeable which are beyond its reasonable control and without its fault of negligence, such acts of God, acts of civil or military auddinties, governmental priorities, fires, strikes, flood, epidemics, wars or dots provided that notice of the conditions causing such delay is given to the Purchaser within five (5) days of the time when the Seller first received knowledge thereof. In the event of any such delay, the date of delivery shall be extended for the period equal to the time actually lost by reason of the delay. 3. WARRANTY. The Seller warrants that all goods, articles, materials and work covered by this order will conform with applicable drawings, spectcations, samples and/or other descriptions given, will be fit for the purposes intended, and performed with the highest degree of care and competence in accordance with accepted standards for work of a similar nature. The Seller agrees to hold the purchaser harmless from any loss, damage or expense which the Purchaser may suffer or incur on account of the Sellers breach of warranty. The Seller shall replace, repair or make good, without cost to the purchaser, any defects or faults arising within one (1) year or within such longer period of time as may be prescribed by law or by the terms of any applicable warranty provided by the Seller after the date of acceptance of the goods furnished hereunder (acceptance not to be unreasonably delayed), resulting from imperfect or defective work done or materials furnished by the Seller. Acceptance or use of goods by the Purchaser shall not constitute a waiver of any claim under this warranty. Except as otherwise provided in this purchase order, the Sellers liability hereunder shall extend to all damages proximately mused by the breach of any of the foregoing warranties or guarantees, but such liability shall in no event include loss of mcids or loss of use. NO IMPLIED WARRANTY OR MERCHANTABILITY OR OF FITNESS FOR PURPOSE SHALL APPLY. 4. CHANGES IN LEGAL TERMS. The Purchaser may make changes to legal terms by written change order. 5. CHANGES IN COMMERCIAL TERMS. The Purchaser may make any changes to the terms, other than legal terms, including additions to or deletions from the quantities originally ordered in the specifications or drawings, by verbal or written change order. If any such change affects the amount due or the time of performance hereunder, an equitable adjustment shall be made. 6. TERMINATIONS. The Purchaser may at any time by written change order, terminate this agreement as to any or all portions of the goods then not shipped, subject to any equitable adjustment between the parties as to any work or materials then in progress provided that the Purchaser shall not be liable for any claims for anticipated profile on the uncompleted portion of the goods and/or work, for incidental or consequential damages, and that no such adjustment be made in favor of the Seller with respect to any goods which are the Sellers standard stock. No such termination shall relieve the Purchaser or the Seller of any of their obligations as to any goods delivered hereunder. 7. CLAIMS FOR ADJUSTMENT. Any claim for adjustment must be asserted within thirty (30) days from the date the change or termination is ordered. 8. COMPLIANCE WITH LAW. The Seller warrants that all goods sold hereunder shall have been produced, sold, delivered and furnished in strict compliance with all applicable laws and regulations to which the goods are subject. The Seller shall execute and deliver such documents as may be required to effect or evidence compliance. All laws and regulations required to be incorporated in agreements of this character are hereby incorporated herein by this reference. The Seller agrees to indemnify and hold the Purchaser harmless from all costs and damages suffered by the Purchaser as a result of the Sellers failure to comply with such law. 9. ASSIGNMENT. Neither party shall assign, transfer, or convey this order, or any monies due or to become due hereunder without the prior written consent of the other party. 10. TITLE. The Seller warrants full, dear and unrestricted title to the Purchaser for all equipment, materials, and items furnished in performance of this agreement, free and clear of any and all liens, restrictions, reservations, security interest encumbrances and claims of others. 11. NONWAIVER. Failure of the Purchaser to insist upon strid performance of the terms and conditions hereof, failure or delay to exercise any rights or remedies provided herein or by law, failure to promptly notify the Seller in the event of a breach, the acceptance of w payment for goods hereunder or approval of Me design, shall not release the Seller of any of the warranties or obligations of this purchase order and shall not be deemed a waiver of any right of the Purchaser to insist upon strict Pedormance hereof or any of its rights or remedies as to any such goods, regardless of when shipped, received or accepted, as to any prior or subsequent default hereunder, nor shall any purported oral modification w rescission of this purchase order by the Purchaser operate as a waiver of any of the terms hereof. 12. ASSIGNMENT OF ANTITRUST CLAIMS. Seller and the Purchaser recognize that in actual economic practice, overcharges resulting from antitrust violations are in fact borne by the Purchaser. Theretofore, for good cause and as consideration for executing this purchase order, the Seller hereby assigns to the Purchaser any and all claims it may now have or hereafter acquired under federal or state antitrust laws for such overcharges relating to the particular goods or services purchased or acquired by the Purchaser pursuant to this purchase order. 13. PURCHASERS PERFORMANCE OF SELLERS OBLIGATIONS. If the Purchaser directs the Seller to correct nonconforming or defective goods by a date to be agreed upon by the Purchaser and the Seller, and the Seller thereafter indicates its inability or unwillingness to comply, the Purchaser may cause the work to be performed by the most expeditious means available to it, and the Seller shall pay all costs associated with such work. The Seller shall release the Purchaser and its contractors of any tier from all liability and claims of any nature resulting from the performance of such work. This release shall apply even in the event of fault of negligence of the party released and shall extend to the directors, officers and employees of such party. The Seller's contractual obligations, including warranty, shall not be deemed to be reduced, in any way, because such work is performed or mused to be performed by the Purchaser. 14.PATENTS. Whenever the Seller is required to use any design, device, material or process covered by letter, patent, trademark or copyright, the Seller shall indemnify and save hamnless the Purchaser from any and all claims for infringement by reason of the use of such patented design, device, material or process in connection with the contract, and shall indemnify the Purchaser for any cost, expense or damage which it may be obliged to pay by reason of such infringement at any time during the prosecution or after the completion of the work. In case said equipment, or any part thereof or the intended use of the goods, is in such suit held to constitute infringement and the use of said equipment or part is enjoined, the Seller shall, at ils own expense and at its option, either procure for the Purchaser the right to continue using said equipment or parts, replace the same with substantially equal but non -infringing equipment, or modify it so it becomes non -infringing. 15. INSOLVENCY. If the Seller shall become insolvent or bankrupt, make an assignment for the benefit of creditors, appoint a receiver or trustee for any of the Sellers property or business, this order may forthwith be canceled by the Purchaser without liability. 16. GOVERNING LAW. The definitions of terms used or the interpretation of the agreement and the rights of all parties hereunder shall be construed under and governed by the laws of the State of Colorado, USA. The following Additional Conditions apply only in cases where the Seller is to perform work hereunder, including the services of Sellers Representative(s), on the premises of others. 17. SELLERS RESPONSIBILITY. The Seller shall carry on said work at Settees own risk until the same is fully completed and accepted, and shall, in case of any accident, destruction or injury to the work and/or materials before Seller's final completion and acceptance, complete the work at Seller's own expense and to the satisfaction of the Purchaser. When materials and equipment are furnished by others for installation or erection by the Seller, the Seller shall receive, unload, store and handle same at the site and become responsible therefor as though such materials and/or equipment were being furnished by the Seller under the ortler. 18. INSURANCE. The Seller shall, at his own expense, provide for the payment of workers compensation, including occupational disease benefits, to its employees employed on or in connection with the work covered by this purchase order, and/or to their dependents in accordance with the laws of the state in which the work is to be done. The Seller shall also carry comprehensive general liability including, but not limited fo, contractual and automobile public liability insurance with bodily injury and death limits of at least $300.000 for any one person, $500.000 for any one accident and property damage limit per accident of $400,000. The Seller shall likewise require his contractors, a any, to provide for such compensation and insurance. Before any of the Sellers or his contractors employees shall do any work upon the premises of others, the Seller shall furnish the Purchaser with a certificate that such compensation and insurance have been provided. Such certificates shall specify the date when such compensation and insurance have been provided. Such certificates shall specify the date when such compensation and insurance expires. The Seller agrees that such compensation and insurance shall be maintained until after the entire work is completed and accepted. 19. PROTECTION AGAINST ACCIDENTS AND DAMAGES. The Seller hereby assumes the entire responsibility and liability for any and all damage, loss or injury of any kind or nature whatsoever to persons or property mused by or resulting from the execution of the work provided for in this purchase order or in connection herewith. The Seller will indemnify and hold harmless the Purchaser and any or all of the Purchasers officers, agents and employees from and against any and all claims, losses, damages, charges or expenses, whether direct or indirect, and whether to persons or property to which the Purchaser may be put or subject by reason of any act, action, neglect, omission or default on the part of the Seller, any of his contractors, or any of the Sellers or contractors officers, agents or employees. In case any suit or other proceedings shall be brought against the Purchaser, or its officers, agents or employees at any time on account or by reason of any ad, action, neglect, omission or defauft of the Seller of any of his contractors or any of its or their officers, agents or employees as aforesaid, the Seller hereby agrees to assume the defense thereof and to defend the same at the Sellers own expense, to pay any and all costs, charges, attorneys fees and other expenses, any and all judgments that may be incurred by or obtained against the Purchaser or any of its or their officers, agents or employees in such suits or other proceedings, and in case judgment or other lien be placed upon or obtained against the property, of the Purchaser, or said parties in or as a result of such suits or other proceedings, the Seller will at once cause the same to be dissolved and discharged by giving bond or otherwise. The Seller and his contractors shall take all safety precautions, furnish and install all guards necessary for the prevention of accidents, comply with all laws and regulations with regard to safety including, but without limitation, the Occupational Safety and Health Ad of 1970 and all rules and regulations issued pursuant thereto. 9190 Revised 11M 09/12/01 THE CITY OF FORT COLLINS UTILITIES Electric Department P.O. Box 580 Fort Collins, CO 80522 SPECIFICATION NO: 365-110 TITLE: Single Phase Submersible Cover Mount Transformer f; APPROVED BY: Kraig 9adq7 Standards Engineering Manager ORIGINATED: June 1999 LAST REVISED: April 10, 2006 Rev Sym: D REVISION DESCRIPTIONS REVISION DESCRIPTION APPROVED REVISION A Tim Sagen • Revised tank material in section 6 Bill Bray 12/15/2000 REVISION B Kraig Bader • Rewrote specification with reference to IEEE submersible specification C57.12.23. 9/20/2005 • Overcurrent protection changed: Secondary breaker in conjunction with under -oil full range current limiting primary fuse. • Only one thermal design is specified now. Previous revision allowed two thermal designs, but did not indicate a preference. Revision C Kraig Bader • Corrected stock numbers in Table 1. 11/17/05 • Amended paragraph 7.1 -1 to clarify the alloys specified for the construction of the transformer. • Section 7.4: Removed requirement for tank drain (1.00" NPT flush coupling with brass pipe plug). Tank drain increases the vulnerability of the tank to rust, and subsequent leaking in a submersible environment. • Section 7.4: Amended statement regarding lifting eyes — removed requirement for lifting eyes to be located on "the front and backside of the transformer. • Removed statement in paragraph 8 requiring "Bayonet warning decals located near bayonet fuse." As design progressed, the decision to use secondary breaker in conjunction with full range CL fuses removes the need for bayonet warning labels. • Corrected secondary voltage rating in Section 5, Table 1 from 120/240 to 240/120. (120/240 rated units require 4 LV bushings , and we specify 3 LV bushings.) Revision D Kraig Bader • Revised Approved Manufacturer Table to confirm receipt and inspection of 4/10/06 prototype units manufactured in conformance with this specification. 2 368-110 Rev Sym: D TABLE OF CONTENTS REVISIONDESCRIPTIONS.........................................................................................................................................2 1 Scope.........................................................................................................................................................................4 2 Applicable Documents...............................................................................................................................................4 3 Kilovolt -ampere ratings..............................................................................................................................................4 4 bushings and Terminals.............................................................................................................................................4 4.1 HIGH VOLTAGE TERMINALS............................................................................................................................4 4.2 LOW VOLTAGE TERMINALS............................................................................................................................5 5 Electrical Requirements.............................................................................................................................................5 6 Overcurrent protection...............................................................................................................................................6 6.1 CURRENT PROTECTING(CP)..........................................................................................................................6 6.2 FUSING...............................................................................................................................................................6 7 tank design.................................................................................................................................................................6 7.1 TANK MATERIAL................................................................................................................................................6 7.2 TANK THICKNESS.............................................................................................................................................6 7.3 TANK DIMENSIONS...........................................................................................................................................6 7.4 TANK -MOUNTED ACCESSORIES....................................................................................................................7 7.5 TANK COATINGS...............................................................................................................................................7 8 Markings....................................................................................................................................................................7 9 Losses........................................................................................................................................................................7 10 QUALITY ASSURANCE..........................................................................................................................................8 10.1 GENERAL.........................................................................................................................................................8 10.1.1 RESPONSIBILITY FOR INSPECTION......................................................................................................8 10.1.2 TEST REPORT...............................................................................................................I...........................8 10.2 TEST CONDITIONS.........................................................................................................................................8 10.2.1 REFERENCE TEMPERATURE.................................................................................................................8 10.2.2 TOLERANCE ON IMPEDANCE VOLTAGE...............................................................................................8 10.2.3 TOLERANCE ON IMPEDANCE VOLTAGE ON A TAP.............................................................................8 10.3 TESTS...............................................................................................................................................................8 11 Preparation for delivery ............................................................................................................................................8 APPENDIX B — Tank Coating Comparison................................................................................................................10 APPENDIX C — Approved Manufacturers..................................................................................................................11 Transformer Loss Evaluation Form- AVERAGE LOSSES.........................................................................................12 Individual Transformer Loss Evaluation Form............................................................................................................13 Special Conditions andSupplemental Instructions to Bidders....................................................................................14 3 368-110