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HomeMy WebLinkAboutBID - 5400 LP TRANSFORMERS 50KVAAdministrative Services Purchasing Division City of Fort Collins INVITATION TO BID Sealed bids will be received and publicly opened at the office of The Director of Purchasing and Risk Management, 258 West Mountain Avenue, Fort Collins, Colorado 80521, ( P O Box 580, 80522) at the time and date noted on the bid proposal and/or contract documents Bids must be received at the Office of the Director prior to the opening time (our clock) SPECIAL INSTRUCTIONS All bids must be 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by an authorized representative of the company with the legal capacity to bind the company to the agreement Bids may be withdrawn up to the date and hour set for opening Once bids have been accepted by the City and opening time has passed, failure to enter into contract or honor the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 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 Department will be accepted 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 All bids must be labeled with both the project name and bid number indicated on the bid proposal Bids must be furnished exclusive of any federal excise tax, wherever applicable Bidders must be properly licensed and secure necessary permits wherever applicable Vendors not responding to requests for bid shall be removed from our automated listing for the requested commodities/services 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, 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 256 W Mountain Avenue • PO Box 580 • Fort Collins, CO 80522-0580 • (970) 221-6775 • FAX (970) 221-6707 REV SYM: II TABLE OF CONTENTS Title Page Revision Record List of Active Pages Table of Contents 1 0 Scope 2.0 Applicable Documents 3.0 Requirements 3.1 General Requirements for Design 3.2 Specific Requirements for Design 21.0 Quality Assurance 4.1 General Quality Assurance 4 2 Test Conditions 4.3 Not Used 4 4 Tests 5.0 Preparation for Delivery Table I Figure 1 Figure 2 Appendix A Appendix B Appendix C Appendix D 1 2 3 4 5 5 5 5 6 11 11 11 12 12 12 13 15 16 17 19 20 21 PAGE 4 368-105 REV SYM: II SPECIFICATION 368.105 FOR OVERHEAD -TYPE, SINGLE PHASE DISTRIBUTION TRANSFORMERS WITH SEPARABLE INSULATED LOAD BREAK HIGH -VOLTAGE CONNECTORS 1.0 SCOPE This Specification establishes the minimum requirements for single phase, 60 hertz, mineral -oil -filled sell' cooled (0 I S C.) overhead -type distribution transformers with separable insulated load break high voltage connectors, rated 250 kilovolt- amperes (KVA) and smaller, high -voltage 7620/13200Y and dual voltage 7620/13200Y x 2400/4160Y; low voltage 120/240, 240/480, 277 volts, and 4160Y/2400. 2.0 APPLICABLE DOCUMENTS The following American National Standards (ANSI) for Distribution, Power, and Regulating Transformers and Shunt Reactors form a part of this Specification. General Requirements C57 12.00 Overhead -Type Distribution Transformers C57 12 20 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 3.0 REQUIREMENTS 3.1 GENERAL REQUIREMENTS FOR DESIGN Unless otherwise stated in this Specification, all transformers shall be new and shall conform to the American National Standard Requirements for Overhead -Type Distribution Transformers, ANSI C57.12.20 - 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. 5 368-105 REV SYM. II 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. 3.2 SPECIFIC REQUIREMENTS FOR DESIGN 3.2.1 FUNCTIONAL DESCRIPTION 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. They may also be padmounted under an enclosure, or pole mounted. The transformer tank, cover, and all external appurtenances shall be of corrosion -resistant material, unless they are otherwise rendered corrosion resistant. 3.2.2 RATINGS 3.2.2.1 KILOVOLT -AMPERE -RATINGS 3.2.2.1.1 NAMEPLATE RATING Kilovolt -ampere ratings are continuous and based on not exceeding either a 650C average winding temperature rise or an 80°C hot spot temperature rise. The temperature rise of the insulating oil shall not exceed 65' when measured near the top of the tank. The KVA rating shall be regarded as a test rating which defines an output which can be taken from the apparatus under the prescribed conditions of test within the limitations of all applicable standards KVA ratings shall be in accordance with Table I. 3.2.2.1.2 ADDITIONAL SUPPLEMENTAL LOADING Additional supplemental loadings may be carried as recommended by ANSI C57.91. 3.2.2.2 VOLTAGE RATINGS Secondary and primary voltage ratings shall be in accordance with Table I. 6 368-105 REV. SYM: II 3.2.2.3 IMPEDANCE Nominal impedance voltage shall be in accordance with Table I of this specification. Completed units may vary from the specified nominal up to the tolerance specified in ANSI C57 12 00. 3.2.2.4 BASIC IMPULSE INSULATION LEVELS The high voltage BIL shall be 95 kV. The low voltage BIL shall be 30 kV 3.2.3 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. 3.2.3.1 HIGH VOLTAGE TERMINALS The number of high voltage terminals required is specified in Table I. High voltage terminal(s) shall consist of cover mounted universal type flowerpot bushing well(s) conforming to ANSI/IEEE 386-1985 Fig. 3. 3.2.3.2 LOW VOLTAGE TERMINALS Terminal type and number shall be in accordance with Table I of this specification Eyebolt and spade terminals shall be singly mounted sidewall type. Stud type terminals shall be singly mounted on the sidewall, internally or externally clamped, with dimensions in accordance with Figure 1 of this specification. All non-metallic components of the terminals shall be of a material resistant to ultra -violet degradation Transformers with secondary voltages above 480V require cover mounted bushing well(s) having interfaces conforming to ANSI/IEEE 386-1985 Fig. 3. 3.2.4 NEUTRAL TERMINATION 3.2.4.1 On transformers having one high voltage bushing, the HZ end of the winding shall be securely grounded internally. 7 368-105 ® a REV. SYM II 3.2.4.2 On units having three external eyebolt or spade type low -voltage terminals, the XZ connection of the winding shall be isolated and an adequate external copper ground strap shall be provided from the neutral bushing to a standard tank ground pad. On units having lead type low -voltage terminals, the XZ connections of the winding shall be connected to the tank internally and such connection shall be indicated on a label next to the XZ lead as well as on the nameplate. Ground connections shall be suitably sized for the short-circuit rating of the transformer as defined in ANSI C57.12.00 3.2.4.3 An adequate stainless steel connection shall provide electrical continuity between the tank and the cover. 3.2.5 ACCESSORY EQUIPMENT In addition to the requirements of ANSI, accessory equipment shall be provided in accordance with Table I and the following details. 3.2.5.1 Current -protecting (CP) when specified in Table I shall include internal weaklink primary fuse, secondary breaker, signal light, and emergency control handle Internal fusing (internal) when specified in Table I shall include an internal partial range current limiting fuse in conjunction with an internal eutectic (temperature sensitive) weak link fuse. 3.2.5.2 When required by Table I, an RTE Bay-o-net fuse and internally mounted ELSP partial range current limiting fuse(s) shall be furnished Bay-o-net fuses shall be top mounted or sidewall mounted as required in Table I. 3.2.5.3 When the transformer is specified as a dual voltage unit, an externally operated dual voltage switch shall be provided. 8 368.105 Ask ® REV. SYM II 3.2.5.4 Taps, when required, shall be full capacity above and below normal and shall be provided with an externally operated tap changer switch. On dual voltage transformers, taps shall be furnished on the top voltage only 3.2.5.5 Cover mounted pocket type cable accessory parking stand for a loadbreak stand off device shall be provided. 3.2.5.6 Cover mounted instruction nameplate conforming to 5 12 of ANSI C57.12.00-1987, Nameplate A, shall be provided. Also, on the nameplate or label affixed near it, the manufacturer shall indicate that the dielectric fluid contains less than 1 ppm PCB. 3.2.6 TANK 3.2.6.1 An adequate tank coating for underground vault application shall be provided. Appendix B is provided as a reference for comparing coating requirements. The Light and Power Department, Engineering Division, is the only authority regarding the adequacy of proposed coatings Figure 2 shows outside dimensions 3.2.6.2 PRESSURE The tank shall be equipped with a Qualitrol #202-014-01 or 202- 030-01 pressure relief device or a pressure relief cover. If a pressure relief cover is used, the cover assembly shall remain effectively sealed for overloads and external secondary short circuits of the magnitude and duration allowed by industry standards and loading guides, but shall relieve pressure at a minimum of 8 psi gauge if designed to reseal; or at a minimum of 20 psig if designed for pressure relief without resealing. If a pressure relief cover is used, a manual means of venting the tank before removal of the cover shall be provided Regardless of which means of pressure relief is provided, the tank and other components of the tank shall be of sufficient strength to withstand, without damage or permanent distortion, the pressures occurring prior to pressure relief, as well as pressures occurring due to normal overloads and external secondary short circuits. 9 368-105 El REV SYM. II 3.2.6.3 GROUNDING PROVISIONS A minimum of two tank mounted ground nuts fitted with a solderless type connector for AWG conductor size No. 8 solid to No. 2 stranded shall be provided One ground connector shall be on the tank sidewall, near the top of the tank, below the primary bushing and the other shall be near the base, below the primary bushing. 3.2.7 LOSSES The total losses of a transformer shall be the sum of the excitation losses and the load losses (IZR 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 I2R losses at the specified rates If tested losses exceed quoted losses but are within the tolerances of Table 18, ANSI C57.12 00-1987, 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 Table 18 and the following equation "Units" shall mean "Transformers of the same size and design on one order." Excess loss $ = [No 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 Table 16, ANSI C57.12.00-1980, 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. 10 368-105 REV. SYM: II 4.0 QUALITY ASSURANCE 4.1 GENERAL 4.1.1 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. 4.1.2 TEST REPORT The manufacturer shall furnish to the purchaser certified copies of the results of loss tests prior to payment Copies shall be sent to the Design section as well as with the invoice. Unsigned copies are not acceptable even if accompanied by a signed cover letter. 4.2 TEST CONDITIONS Unless otherwise specified, testing required by Section 4.4 shall be conducted under the following conditions. 4.2.1 REFERENCE TEMPERATURE The reference temperature to which losses, impedance, regulation, and efficiency are corrected shall be 850C 4.2.2 TOLERANCE ON IMPEDANCE VOLTAGE Impedance on completed units shall fall within the ranges specified herein. 4.2.3 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. 11 368.105 REV SYM JJ 4.3 NOT USED 4.4 TESTS The kinds of tests to be performed and the test procedures shall be as specified in ANSI C57 12 20, ANSI C57 12 00, and C57 12 90 except 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 5.0 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 them form shipping damage Units shall be packaged on four-way universal pallets with 34 inch minimum opening and loaded on the truck for side removal The Supplier shall give 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 12 368-105 TABLE I STOCK NO HIGH VOLTAGE LOW VOLTAGE 368-105 SERIAL KVA % Z RATING TERMINAL(S) TAPS RATING TYPE AND NUMBER OF TERMINALS PROTECTION TYPE** ABOVE BELOW -111 10 TBD 13200 GRDY/7620 One bushing well - 120/240* Three Eyebolt CP -131 25 1 77 to 2 16 13200 GRDY/7620 One bushing well - 120/240* Three CU stud CP -151 50 1 77 to 2 16 13200 GRDY/7620 One bushing well - - 120/240* Three CU stud CP -155 50 TBD 7620/13200Y Two bushing wells 2-2112% 2-2i% 120/240* Three 4 hole "H" S -156 50 TBD 13200 GRDY/7620 One bushing well - 240/480 Three Eyebolt CP -161 75 1 86 to 2 27 13200 GRDY/7620 One bushing well 120/240* Three CU stud Internal -171 100 TBD 13200 GRDY/7620 One bushing well 120/240* Three Eyebolt Internal -174 100 TBD 13200 GRDY/7620 One bushing well 2-2i% 2-2%% 1201240 Four 6 hole "J" Internal -175 100 TBD 7620/13200Y Two bushing wells 2-2i% 2-2i% 120-240 Four 6 hole "J" S -176 100 TBD 13200 GRDY/7620 One bushing well 2-2%% 2-22% 277 Two 4 hole "H" Internal -177 100 TBD 7620/13200Y Two cover mounted bushing wells 2-2i% 2-2i% 2400/4160Y Two cover mounted bushing wells S -184 167 TBD 13200 GRDY/7620 One bushing well 2-22% 2-2i% 1201240 Four 6 hole "J" Internal -185 167 TBD 7620/13200Y Two bushing wells 2-2112% 2-2i% 120/240 Four 6 hole "J" S -186 167 TBD 13200 GRDY/7620 One bushing well 2-2i% 2-22% 277 Two 4 hole "H" Internal * Reconnectable in field for 120/208 volt service ** CP refers to current -protecting (see para 3 2 5 1) TBD = To be Determined S refers to conventional Internal refers to current limiting protection (see para 3 2 5 1) m C (n 3 { 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 on cement A copy of the Resolution 91-121 is available for review in the Purchasing Division or the City Clerk's office 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. <\ mes B O'N�IIOCPPO erector of Purchasing & Risk Management TARI E I (CONT STOCK NO LOW VOLTAGE 368-105 HIGH VOLTAGE PROTECTION TAPS TYPE SERIAL KVA % Z RATING TERMINAL(S) RATING TYPE AND ABOVE BELOW NUMBER OFTERMINALS -189 167 TBD 13200 GRDY/7620 One cover mounted 4160GRDY/ One cover mounted S bushing wells 2400 bushing well -195 250 TBD 7620/13200Y Two bushing wells 2-2i% 2-2i% 120/240 Four 6 hole "J" S -196 j 250 TBD 13200 GRDY/7620 One bushing well 2-2i% 2-2%% 277 Two 6 hole "J" Internal -231 25 TBD 13200 GRDY/7620x One bushing well 120/240* Three Eyebolt CP 4160 GRDY/2400 -238 25 TBD 13200 GRDY/7620x One bushing well 2-2/% 2-2i% 240/480 Three Eyebolt CP 4160 GRDY/2400 -251 50 TBD 13200 GRDY/7620X One bushing well - - 120/240* Three Eyebolt CP 4160 GRDY/2400 -258 50 TBD 13200 GRDY/7620X One bushing well 2-22% 2-22% 240/480 Three Eyebolt CP 4160 GRDY/2400 * Reconnectable in field for 120/208 volt service ** CP refers to current -protecting (see para 3 2 5 1) TBD = To be Determined 7 J �J S refers to conventional Internal refers to current limiting protection (see para 3 2 5 1) m C (n 3 REV. SYM. II kVa Rating Thread Size Min Length 25 to 75 0 625"-11 UNC-2A 1.25" 100 to 167 1 0"-14 UNC-2A 1.75" Figure 1 15 368-105 Cif REV SYM: II MAXIMUM CLEARANCE DIMENSIONS* KVA A B C** 75 and Below 27 33 44 100 and Above 36 36 50 * In Inches ** C dimension is to the top of the bushing well insert, (City provided) Figure 2 16 368-105 REV. SYM: II APPENDIX A Figure 1A demonstrates the coding method used to establish City of Fort Collins Stock Numbers for transformers. 17 368.105 REV. SYM: II I. SINGLE PHASE II. THREE PHASE FIGURE 1A TRANSFORMER STOCK NUMBER CODING OTHER 0 = 5 KVA 1 = 10 KVA 2 = 15 KVA 3 = 25 KVA 4 = 37.5 KVA 5 = 50 KVA 6 = 75 KVA 7 = 100 KVA 8 = 167 KVA 9 = 250 KVA 1 = Single Voltage 2 = Dual Voltage 00 = 13.2Y/7620 and 7620/13.2Y x 2400/4160 outside pole 05 = 13.2Y/7620 ESNA pole 20 = 13.2Y/7620 ESNA pad Ingle Phase former Class 006 = 75 KVA 015 = 150 KVA W/208Y/120 sec. 030 = 300 KVA 050 = 500 KVA 075 = 750 KVA 100 = 1000 KVA 150 = 1500 KVA XYZ + 1 = 480Y/277 sec 3 phase pad Transformer Class 18 368-105 REV SYM: II APPENDIX B This Appendix is not intended to dictate requirements for items purchased under Specification 368-105, but is included as an aid in comparing coatings for those manufacturers attempting to meet the requirements of this design Tank coatings listed here are for reference only and shall not be considered as complete. Also, the City of Fort Collins 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 thermoset- ting 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. B.4 Ceilcote Flakeline 252 (minimum thickness 35 mils) 19 368-105 REV. SYM II APPENDIX C 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 manufacturers 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 MANUFACTURER Cooper Power Systems Howard Industries ABB SERIAL NO Al 1 except 196 & 195 All All 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 City to gain some experience with the manufacturer's product Should a conditionally approved manufacturer be the evaluated low bidder, the City reserves the right to award all, part, or none of the order to them, dependant upon the current needs of the City for that item or items. 20 368-105 0 REV. SYM: II APPENDIX D The following forms for Individual and Average Transformer Losses are used by the City of Fort Collins to determine loss penalties 1) Transformer Loss Evaluation Average Losses Form. 2) Individual Transformer Loss Evaluation Form. 21 368-105 C) REV. SYM: II TRANSFORMER LOSS EVALUATION AVERAGE LOSSES City Order No Manufacturer KVA/Unit LINE (1) No. of units (2) Average core losses S/N Invoice No, DESCRIPTION (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 AMOUNT Date Prepared By: Design Engineering ' NOTE: If any unit(s) exceeds the loss tolerances of ANSI C57.12 00, Light & Power will either reject it, include it on these averages, or calculate losses using the Individual Transformer Losses Evaluation Form, whichever is most favorable to Light and Power 22 368.105 REV SYM: II INDIVIDUAL TRANSFORMER LOSS EVALUATION City Order No Manufacturer KVA/Um t S/N Invoice No. 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 $ (14) Penalty to be assessed manufacturer line (12) plus line (13) Date Prepared By: Design Engineering AMOUNT 23 368-105 FIRM NAME CITY OF FORT COLLINS BID PROPOSAL BID NO 5400 BID DATE: 2:00 p m (our clock) July 6, 1999 WE HEREBY ENTER OUR BID FOR THE CITY OF FORT COLLINS' REQUIREMENTS FOR TRANSFORMERS, 50 KVA PER THE BID INVITATION AND ANY REFERENCED SPECIFICATIONS QUANTITY DESCRIPTION 100 Ea Transformer, 50 KVA, modified over -head, single phase distribution with one high -voltage bushing well, high voltage rating 13200 GRDY/ 7620 Low voltage rating 120/240 Serial number 151 to be in accordance with specification #368-105-151, revision JJ $ Ea $ Total Delivery in Weeks Mfr & Mfr # Guaranteed No Load Loss Guaranteed Full Load Loss Guaranteed Total Load Loss Impedance (%) The transformers being bid meet or exceed the specifications Yes_ No If not, please list exceptions on a separate sheet of paper and attach to your bid 3 Page 1 of 2 qWP Issued: 9/7/77 Revised• 9-4-97 Special Conditions and Supplemental Instructions to Bidders Applicable to Specification 368-105 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 850C 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'�3.9p/watt 2 Load losses at 'f/• 5o /watt C Shipping Terms Ship F 0 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 Page 2 of 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 Loss penalty credits and escalation charges shall be itemized on the invoice ALTERNATE 1 Afflk IV MR City of Fort Collins Light and Power Department Specification 368-110 - Revised I I-June-1999 Single Phase Submersible Cover Mount Transformer 1 Scope This specification and the accompanying drawing establishes the minimum requirements for an alternate design to City of Fort Collins Light and Power Specification 368-105 for single phase 60 hertz mineral oil filled self cooled vault type distribution transformers The requirements of Specification 368-105 and applicable American National Standard requirements for distribution transformers shall apply except where specifically altered by this Specification 2 Primary a 13,200 GRDY/7620, No Taps, Single Voltage b Radial feed (1- HV bushing) c ESNA long shank wells welded to tank d "NO" inserts provided 3 Secondary a 240/120, 3-wire (3-bushing LV pattern) (exception to 368-105 Table I, cannot be banked for 3phase 208Y/120 service) b X2 internally grounded (clarification to 368-105 paragraph 3.2.4.2) c Welded Central Moloney bushings with external epoxy (dia. <1.38 see 368-105 Fig. 1) d 5/8" threaded copper stud termination e Additive polarity 4 Electrical Requirements a Frequency 60 Hertz a KVA 25, 50, or 75 as requested b BIL 95 kV c Impedance Limits KVA Impedance 25 1 77% < %Z < 2 16% 50 1 77% < %7_ < 2 16% 75 1 86% < %Z < 2 27% 5 Fusing (exception to 368-105 Table 1) a Submersible type bayonet with overload dual sensing fuse element as shown below b RTE ELSP 8 3 kV under oil partial range current limiting fuse as shown below c "NO" low voltage under oil breaker KVA RTE Bayonet RTE EI.SP 25 358C05 40 amp 354304OM61M 50 358C08 80 amp 354308OM51 M 75 358C10 125 amp 3543125M61M Ior2 3681 I0A DOC Aim City of Fort Collins Light and Power Department Specification 368-110 - Revised 11-June-1999 Single Phase Submersible Cover Mount Transformer 6 Tank Design a Tank material 105" (12 gauge) stainless steel (304 SST) b Tomko 1720K-1 pressure relief device located on cover c Tank dram 1 00" NPT flush coupling with brass pipe plug d (2) 1 00" NPT fill couplings located on cover with brass pipe plugs e (1) Tomko LG35 sight gauge/oil level coupling f (2) 1/2 - 13 SS1 ground pads centered on tank below primary bushing 7" from top and 7" from base respectively g (1) Y2 - I3 SST ground pad on top near primary bushing h (1) SST loadbreak type parking stand i Cover to be welded to tank j Welded base runners k (2) Lifting hooks opposite each othei welded on the front and back side of the tank near the top 7 Markings a XI, X2 & X3 SST identification tags with black lettering b "X2 Int Grid" stenciled in black on cover c Bayonet warning decals located near bayonet fuse d SST nameplate in accordance with paragraph 3 2 5 6 e Temporary serial/shipping card attached to tank lift -eye 8 Misc Design Issues a Cooling 65 Deg C AWR, average ambient 30 Deg C (55 Deg C AWR and 40 Deg C ambient) b Final color ASA 70 Gray c All exposed parts shall be constructed of corrosion resistant material, e g , SST, brass, or plastic d Two-way pallet with mimmum width of 34" 2of 2 368110A DOC I I I I I I I I �I ( I I I I I J1 00 �._ ?? nn MAX, r j1 5 1 �s — J--i 01 HIGH VOLTAGE BUSHING WELL 02 LOW VOLTAGE BUSHING (5/8 — 13 UNC STUD) 03 SST PARKING STAND (LOADBREAK TYDPE) 05 STAINLESS STEEL TANK (304 SST) 06 LIFTING HOOK 08 SST NAMEPLATE 11 PRESSURE RELIEF DEVICE (TOMCO 1720K-1) 12 1 00 — NPT DRAIN PLUG 14 OIL LEVEL GAUGE (TOMCO LG35) 16 '/2 - 13 UNC SST GROUND PAD 18 SST I D TAGS FOR ALL BUSHINGS 7 P9Ax. 21 31 TRANSFORMER SUPPORT RAILS SUBMERSIBLE BAYONET IN SERIES WITH UNDER OIL PARTIAL RANGE CURRENT LIMITING FUSE I CITY OF FORT COLLINS, LIGHT AND POWER TITLE SINGLE PHASE VAULT TYPE TRANSFORMER DES 1PH SUBMERSIBLE, 1-HV, 3-LV, 13200 GRDY/7620 X 240/120, 25,50, &75 kVA DRAWING/SPECIFICATION NO 368-110 1 REV A SCALE NTS I DRAWN BY TMS I APPD BY TMS I DATE 6/11/99 Purchase Order Term 1 COMMERCIAL DETAILS Imoice Address To ensure prompt Payment mail invoices in duplicate to City of Fort Collins Accounting Division P 0 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 98-04SO2 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 an 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 0 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 a ost 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 d 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 s and Conditions 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 PURPOS 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 Chang 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 agreemen 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 profit 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 a to any goods delivered hereunder 7 CLAIMS FOR ADJUSTMENT Any claim for adjustment must be asserted within thirty (30) days from the dot the change or termination is ordered S COMPLIANCE WITH LAW The Seller warrants that all good•, 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 an regulations required to be incorporated in agreements of this character are hereb incorporated herein by this reference The Seller agrees to indemnify and hold th 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 t 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, fre and clear of any and all hens, 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, th acceptance of or payment for goods hereunder or approval of the design, shall no release the Seller of any of the warranties or obligations of this purchase order an 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 subsequen 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 AD. practice, overcharges resulting fropi antitrust violations are in fact borne by the Purchaser Theretofore, fongood 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 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 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 Representativelsl, 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 AG 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 fort 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 whit 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 th 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 IIor then officers, agents or employees as aforesaid, the Seller hereby agrees to assume th 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 judgment that may be incurred by or obtained against the Purchaser or any of its or then officers, agents or employees in such suits or other proceedings, and Iin 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, th Seller will at once cause the same to be dissolved and discharged by giving bon or otherwise The Seller and his contractors shall take all safety precautions, furnish and install all guards necessary for the prevention of accidents, icomply 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 9/90 Revised 11/91 Firm Name Alternate 1 QUANTITY DESCRIPTION 100 Ea Transformer, 50 KVA submersible, single phase with one cover mounted separable insulated load break high voltage bushing well, three cover mounted stud secondary bushings, submersible bayonet fuse High voltage rating 13200 GRDY/7620, low voltage rating 240/120 Per drawing #368-110, revision A E Delivery in Weeks Mfr & Mfr # Guaranteed No Load Loss Guaranteed Full Load Loss Guaranteed Total Load Loss Impedance (%) Total The transformers being bid meet or exceed the specifications Yes_ No _ If not, please list exceptions on a separate sheet of paper and attach to your bid 4 Firm Name Alternate 2: QUANTITY DESCRIPTION 100 Ea Transformer, 50KVA underground -type, single phase with one cover mounted separable insulated load break high voltage bushing well, three low -voltage cable leads, submersible bayonet fuse High voltage rating 13200 GRDY/7620, low voltage rating 240/120 Per ANSI C57 12 23 $ Ea $ Total Delivery in Weeks Mfr & Mfr # Guaranteed No Load Loss Guaranteed Full Load Loss Guaranteed Total Load Loss Impedance (%) The transformers being bid meet or exceed the specifications Yes_ No _ If not, please list exceptions on a separate sheet of paper and attach to your bid Escalation is _ , is not applicable for the transformers bid If escalation applies, the bidder shall indicate in the bid 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 For purposes of warranty and service, ONLY approved manufacturers or distributors authorized by an approved manufacture to serve the Fort Collins area may bid DELIVERY WILL BE AN EVALUATION FACTOR City of Fort Collins reserves the right to purchase any combination of the proposed transformers City of Fort Collins reserves the right to evaluate best combination of design, delivery and price 5 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 NUM ADDRESS STREET, CITY, STATE, ZIP DATE REV SYM JJ THE CITY OF FORT COLLINS Light and Power Department P 0 Box 580 Fort Collins, CO 80522 SPECIFICATION NO. 368-105 TITLE OVERHEAD -TYPE, SINGLE PHASE DISTRIBUTION TRANSFORMERS WITH SEPARABLE INSULATED LOAD BREAK HIGH -VOLTAGE CONNECTORS PREPARED BY. rim M Sager, Design Engineer ORIGINATED: March 3. 1973 REVISED September, 1997 Coram 19 1 368-105 REV SYM JJ PREVIOUS REVISION DESCRIPTIONS ON FILE I REVISION DESCRIPTION I APPROVED I REVISION II REVISION JJ Table of contents- Update Paragraph 3 2 2 1 1; 3 2 4 2 Editorial Paragraph 3.2.3.1. update ANSI reference to 1985 Paragraph 3 2 3 2 Change lead type terminals to stud type, update ANSI reference to 1985 Paragraph 3 2 5 2 Delete reference to Table II Paragraph 3 2.5 6 Update ANSI reference to 1987, change "non -PCB" to "contains < 1 ppm PCB" Paragraph 3 2 6 1 Change Table III to Figure 2 Paragraph 3 2 7. Delete ratio requirement, update ANSI reference to 1987 Paragraph 4 2 2 Change Impedance tolerance to within range specified Table I Change lead type LV terminals to stud type Add impedance ranges on 131, 151 and 156 Add Figure 1 Change Table III to Figure 2 Appendix C delete tank coating from table Paragraph 5 0 Add pallet requirements 2 368-105 MIN REV SYM JJ LIST OF ACTIVE PAGES ORIGINAL PAGES ADDED PAGES REV SYM SHEET NO REV SYM SHEET NO REV SYM 1 JJ 2 JJ 7SHEET:NO 3 JJ 4 II 5 II 6 it 7 II 8 II 9 II 10 II 11 II 12 JJ 13 II 14 II 15 II 16 it 17 it 18 II 19 II 20 II 21 II 22 I I 23 II 3 368-105