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Home My WebLink AboutBID - 5956 PRECAST PRIMARY JUNCTION VAULTS (2)City of Fort Collins Bid Proposal BID 5956 Precast Primary Junction Vaults BID DATE: 2:00 P.M. (Our clock) February 1, 2006 REV SYM I 3.1.2.6 All designs shall bear the seal of an engineer licensed by the State of Colorado. Three sets of design calculations shall be submitted to the City of Fort Collins Utilities Electric Department Engineering Standards for approval. 3.1.3 DRAWINGS 3.1.3.1 All drawings and specifications shall be submitted at the time of bid and shall clearly indicate the loads for which the vaults are designed. These loads shall include soil loads, hydrostatic loads, and live loads which can safely be imposed upon the vault simultaneously. 3.1.3.2 Copies of structural drawings, specifications, and typical details shall be provided to Utilities by the manufacturer at the time of bid and shall bear the seal of an engineer licensed by the State of Colorado. These drawings shall show the size and position of all structural elements and reinforcing steel, together with the location of all inserts, openings, and attachments that are a part of the vault, and shall show the dead weight of the complete unit. 3.1.3.3 All plans shall clearly show the specified compressive strength of the concrete at 28 days in pounds per square inch (psi) for which each part of the vault is designed. 3.1.4 MATERIALS 3.1.4.1 Concrete Concrete shall be mixed and placed in accordance with A.C.I. 318. Concrete quality shall conform to the provisions of A.C.I. 318. 3.1.4.2 Cement Cement shall be Portland Cement Type II, conforming to ASTM C-150 or ASTM C-175. 3.1.4.3 Concrete Aggregate Concrete aggregate shall conform to ASTM C-33. The maximum size of the aggregate shall not be more than 3/4 inch. 3.1.4.4 Reinforcing Steel Reinforcing bars shall conform to ASTM A-615, Grade 60, latest revision. Welded wire fabric shall conform to ASTM A-185, latest revision. Rebar shall be wire tied, not welded. 3.1.4.5 Air -Entraining Agents Air -entraining agents shall conform to ASTM C-260. 3.1A.6 Gaskets Gaskets shall be of a resilient material resistant to attacks by acids of alkali conditions in soils, and shall form a continuous watertight seal. 3.1.4.7 Embedded Items and Anchorage Devices All embedded items, inserts, and anchorage devices exposed to view, moisture or weather shall be hot -dipped galvanized steel. Anchorage devices shall be fabricated from ASTM A36 steel. Lifting devices shall have a minimum safety factor of 4. Lifting devices for vault top shall be Dayton Superior, 8-ton P-52 SL Anchors, pin 60647, with recess plugs, pin 60729, Inserts shall be Richmond V LEL-SH single end lift inserts or Dayton Superior 1" T-1 single pick-up inserts. Richmond LEB lifting eye bolts, size V x 3'/2" with 3" thread will be provided by City of Fort Collins Utilities. 3.1.5 MANUFACTURE 3.1.5.1 Casting Casting shall be accomplished by methods and equipment that are in conformance with generally acceptable systems for this type of work. Forms shall conform to the shape, lines, and dimensions of the members as called for on the plans, and shall be substantial and sufficiently tight to prevent leakage. They shall be properly braced so as to maintain position and shape. All precast concrete shall be manufactured by a plant thoroughly experienced in this type of work. The manufacturer shall meet all production schedules. Surfaces on which units are cast shall be level and free P .5of11 366-101 REV SYM I from any imperfections detrimental to the surface appearance of the finished units. Parting compound shall be applied evenly as per manufacturers recommendations. Concrete shall be so handled as to prevent segregation of materials and shall be continuously vibrated during casting, either internally or externally, to achieve proper compaction, finish and distribution of concrete. All precautions must be taken to keep the reinforcing steel in the proper locations during placing and consolidation of the concrete. Unless shown otherwise, all reinforcing steel shall have a minimum cover of 1 W. Embedded items shall be accurately placed and maintained in their proper location during the casting operation. Special inserts or other devices for handling of panels for the convenience of the manufacturer shall not be exposed to view after members are erected. Embedded anchors, inserts, plates, angles and other cast -in items shall have sufficient anchorage and embedment for design requirements. 3.1.5.2 Curing Concrete shall be protected from the weather and maintained at 500 to 750F in a moist condition for at least the first seven (7) days after placing unless steam curing is employed. Concrete may be steam cured after an initial set has taken place. The steam temperature shall not exceed 160°F, and shall not be raised from the ambient temperature at a rate exceeding 40OF per hour. The steam cured unit shall not be removed from the forms until sufficient strength is obtained for the unit to withstand any structural strain that may be imposed during the form stripping process. After the stripping of forms, further curing by means of water spraying or a membrane curing compound may be used. This compound shall conform to ASTM C-309, 3.1.5.3 Dimensional Tolerances The dimensional tolerances of structural members shall not be greater than 3% of the specified dimensions. The internal dimensions of the vault shall be held to within 1 % of the designed dimension. When a structure is composed of one or more components, the space in the joint between elements shall be uniform to a maximum tolerance of 1/16". 3.1.5.4 Inserts All threaded inserts placed in the concrete for use by the purchaser shall be free of dirt to a depth of 2-1/2 times the thread diameter, and shall be protected from rust. The manufacturer shall specify the maximum allowable loads that may be placed on all inserts. 3.1.5.5 Gaskets Structures composed of one or more elements and provided with gasket seals between the elements, shall when assembled exert uniform pressure on the gasket through its entire length sufficient to provide a watertight seal upon test. 3.1.6 GUARANTEE The contractor shall guarantee the vault and lid for a period of two years after completion against defective workmanship and materials. The determination of the necessity during such guarantee period for the contractor to repair said vaults and lids shall rest entirely with the Light and Power Utility, and the decision upon the matter shall be final and obligatory upon the contractor. 3.1.7 Non -Conforming Material Purchase orders are contingent on conformance with these specifications and attachments. Utilities reserves the right at any time to cancel a purchase contract, if in Utilities' opinion, the product or delivery does not meet specifications, even if a nonconforming vault has previously been accepted. At Utilities' discretion, a supplier providing non -conforming material may be removed from the Approved Suppliers list for an indefinite re-evaluation period of not less than two (2) years. 3.2 SPECIFIC REQUIREMENTS FOR DESIGN AND CONSTRUCTION 3.2.1 Vaults shall be built according to drawing 366-101 (see Appendix A) showing the location of all openings and inserts. 3.2.2 Shop Drawings Pg. 6 of 11 366-101 REV SYM I If the manufacturer has not previously done so, he shall prepare and submit to Utilities three (3) sets of shop drawings for approval and shall not proceed with the manufacture prior to approval of the drawings by Utilities. Utilities must also review and approve any changes made to the original shop drawings. 3.2.3 Design Calculations If the manufacturer has not previously done so, he shall obtain and submit to Utilities three (3) sets of design calculations for approval. All vault designs shall bear the seal and signature of an engineer registered in the State of Colorado. 3.2.4 Precast Members -Each precast member shall conform to all provisions of A.C.I. 318. 3.2.5 Openings and Inserts in Walls Detail drawings (see Appendix A for example) will be issued with the release for construction. Openings of the size and shape indicated on the detail drawings shall be cast in the walls within of the centerline location shown on the drawings. Inserts for pulling eyes shall be cast within 1" of the centerline location on the drawings. 3.2.6 Identification for Billing, Correspondence, Drawings, and Other Data. All invoices, and billing correspondence shall include the Utility vault numbers for which the invoices are being submitted and shall be addressed to: City of Fort Collins Utilities, Electric Department, Post Office Box 580, Fort Collins, Colorado 80522, Attention: Doug Martine, Distribution Engineering All drawings, design calculations and other correspondence shall be addressed to: City of Fort Collins Utilities , Electric Department, Post Office Box 580, Fort Collins, Colorado 80622, Attention: Kraig Bader, Standards Engineering All invoices and correspondence shall show the City of Fort Collins Utilities purchase order number. 3.2.7 Gaskets Gaskets (joint compound) shall be installed by the manufacturer at the job site during the final placement of the vault, if final placement is performed by the manufacturer. 3.2.8 Grade Rings The manufacturer shall provide, as standard equipment, one 6" thick grade ring with manhole frame, and one 6" thick grade ring with each vault as shown on drawing 366-101. 3.2.9 Paint A flat white vinyl latex paint shall be applied to the complete interior of each vault. Paint shall not be used to cover defects or flaws in the concrete. Any such discovery will result in immediate rejection of that specific vault. 4 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 P .7of11 366-101 REV SYM I commercial laboratory acceptable to the City of Fort Collins Utilities. The Utilities or its authorized representatives shall have access to the manufacturing plant at any time during working hours and 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 Drawings The manufacturer shall maintain accurate and up-to-date drawings available for the inspection of the placement of reinforcing steel and other dimensional characteristics of the structure. 4.1.3 Notice of Manufacturing Schedule Utilities shall be informed two (2) days in advance of the construction of each vault, in order that Utilities may, at the Utility's option, have an inspector at the plant during construction. 4.2 QUALIFICATION TESTS 4.2.1 Concrete The manufacturer shall test concrete in accordance with A.C.I. 318 and in addition shall for each vault make two (2) cylinders which shall be cured under field conditions. All cylinders shall be tested by an approved independent testing laboratory and a certificate of these tests shall be a part of the manufacturer's permanent record. In addition, one (1) copy of the certificate shall be provided to the Utility's representative at the time of delivery. 4.3 FUNCTIONAL TESTS 4.3.1 Dimensions All dimensions shall conform to the drawings with allowable tolerances as specified in Paragraphs 3.1.5.3 and 3.2.5 of this specification. 4.4 Finish The finish shall be the result of casting against approved forms using care in the cleaning of forms, design of concrete mix, placing, and curing. 4.5 Defects Small surface holes caused by air bubbles, normal form joint marks, and minor chips and spalls will be tolerated. Honeycomb (due to lack of proper consolidation by vibration) will be cause for rejection. All cracks which penetrate the thickness of any member shall be deemed evidence of partial failure and shall be cause for rejection of the member. 4.6 TEST METHODS - QUALIFICATION TESTS Concrete samples shall be taken in accordance with ASTM C172. Concrete cylinders shall be molded and laboratory cured in accordance with ASTM C31 and tested in accordance with ASTM C39. Field cured cylinders shall be in accordance with Section 9(c) of ASTM C31. 4.7 TEST METHODS - FUNCTIONAL TESTS 4.7.1 Dimensions All dimensions and location of inserts and openings shall be checked using a standard tape measure. 4.7.2 Finish and Defects A visual inspection shall be deemed adequate to determine the quality of the finish and the extent of the defects. Where cracks of questionable nature exist, the manufacturer may be required to load test the member in accordance with ACI 318. In any event, all members shall be watertight. P .8of11 366-101 REV SYM [ 6 DELIVERY Manufacturer is responsible for delivery and final placement of vaults at job site. Care shall be taken in loading, transportation, and setting precast vaults. Members shall be handled in such a manner as to prevent excessive stresses, spalling, or cracking. Edges shall be protected from staining, chipping or spalling. Pg. 9 of 11 366-101 Ham" e SECTION A -A P oiov Iw.ue el /' I I TOP PLAN VIEW A r■ oil �S WALLA r+ I L11L� tij = vP-1 i a LOWER SECTION PLAN J j GRADE RING rs..m rov GRADEERING WITH MANHOLE FRAME O 0 0 O ;-Mo o &DO -.� JOINTOETAIL Notesi u7�m�mw.Y a� mawm ,. w..m.•m.mebb...aa �..Nw 1mF4RANn.MAv�-lM+w wu. M.rv�anry. wu Nq wu+ubmMeA ,�. aW ubNb.aao�s..W nm..1r wa.mMvwyn.r Appendix B — Suggested Manufacturers Amcor Precast 8392 Riverview Parkway Littleton, CO 80215-9790 Toll Free: 800-742-4538 Fax: 303-791-1120 www.oldcastle-precast.com Firebaugh's Pre -Cast Concrete Co 3090 E Las Vegas Colorado Springs, CO 80906 - 8000 Ph: (719) 392-9036 Fax: (719) 392-0066 Attention: Kevin Gregg Carder Concrete Products Concrete Products 8311 W Carder Ct Littleton, CO 80125 - 9705 REV SYM I P . 11 of 11 366-101 CITY OF FORT COLLINS INVITATION TO BID BID # 5956 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), February 1, 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, gratuity, favor, entertainment, kickback or any items of monetary value from any person who 09/12/01 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 is 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. a es B. O'Neill II, CPPO, FNIGP erector of Purchasing and Risk Management 09/12/01 FIRM NAME: CITY OF FORT COLLINS BID PROPOSAL BID NO. 5956 BID DATE: 2:00 p.m. (Our clock) February 1, 2006 WE HEREBY ENTER OUR BID FOR THE CITY OF FORT COLLINS' REQUIREMENTS FOR LP PRECAST PRIMARY JUNCTION VAULTS PER THE BID INVITATION AND ANY REFERENCED SPECIFICATIONS. QUANTITY: DESCRIPTION: 5-10 ea Precast Primary Junction Vaults, Concrete, 10' X 10 (Annual estimate, not guaranteed) per Specification 366-101, Revision I E1 Mfr. Mfr. # Delivery in Weeks: Total The items being bid meet or exceed the attached specifications. Yes No . If not, please list exceptions (specifying paragraph reference number) on a separate sheet of paper and attach to your bid documents. "Any surcharges or additional costs shall be noted & included in bid submittal. 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. Future orders of Precast Primary Junction Vaults may be authorized, at the option of the City, from this bid for a period of five years after date of award. Satisfactory pricing and delivery is required for future orders based on this bid. 09/12/01 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 COMPANY NAME: (AREA CODE) TELEPHONE NUMBERIFAX NUMBER ADDRESS: STREET, CITY, STATE, ZIP DATE EMAIL: 09/12/01 THE CITY OF FORT COLLINS UTILITIES Electric Department CONSTRUCTION SPECIFICATION NO: 366-101 TITLE: Precast Primary Junction Vaults f APPROVED BY: � K ig der Standards Engineering Division Manager ORIGINATED: 8-16-73 REVISED: October. 2005 REV SYM 1 PREVIOUS REVISION DESCRIPTIONS ON FILE REVISION DESCRIPTION APPROVED Revision F: Sagen/Coram 4/25/89 • Paragraph 3.2.6: Change drawings, design calculations to be addressed to Design Engineer rather than Distribution Engineering. Revision G: Sagen/Coram 10/2/92 • Paragraphs 2.2 and 3.1.2.1: Drop year. • Paragraphs 2.5 and 3.1.2.2: Update AASHO to AASHTO. • Paragraph 2.6: Update from Prestressed Concrete Institute to National Precast Concrete Association. • Paragraph 3.1.1: Add NPCA certification requirement and right to cancel statement. • Paragraph 3.1.2.6: Correct Distribution to Design Engineering. • Paragraphs 3.1.4.1, 3.2.4, 4.2.1 and 4.5.2: Drop year and section. • Paragraph 3.1.4.7: Add Dayton Superior inserts. Note eye bolts supplied by City. • Reissue Revision H: • Sagen/Westhuis - March Paragraph 3.2.6: Added painting requirement 99 Revision 1 : • Bader / Pendleton — • Replace Window knockouts with Duct Terminations. October 2005 • Ground rods replaced with #2 bare copper bonded to the vault's internal steel superstructure. #2 bare copper leads are brought out of the vault wall so that ground bus can be bonded to it. • All vaults will be manufactured with the same duct terminator configurations, so they are no longer job -specific. Pg. 2 of 11 366-101 REV SYM I TABLE OF CONTENTS PREVIOUS REVISION DESCRIPTIONS ON FILE..............................................................................................................2 1 SCOPE....................................................................................................................................................................................... 4 2 APPLICABLE DOCUMENTS................................................................................................................................................4 2.1 ASTM STANDARDS.............................................................................................................................................................. 4 2.2 AMERICAN CONCRETE INSTITUTE A.C.I. 318, LATEST REVISION......................................................................................... 4 2.3 AMERICAN WELDING SOCIETY AWS D111-61....................................................................................................................4 2.4 LIGHT AND POWER DRAWING 366-101................................................................................................................................. 4 2.5 AASHTO STANDARD SPECIFICATIONS FOR HIGHWAY BRIDGES.......................................................................................... 4 2.6 NATIONAL PRECAST CONCRETE ASSOCIATION'S QUALITY CONTROL MANUAL FOR PRECAST CONCRETE PLANTS .............. 4 3 REQUIREMENTS....................................................................................................................................................................4 3.1 GENERAL REQUIREMENTS FOR DESIGN AND CONSTRUCTION........................................................................... 4 3.2 SPECIFIC REQUIREMENTS FOR DESIGN AND CONSTRUCTION............................................................................ 6 4 QUALITY ASSURANCE......................................................................................................................................................... 7 4.1 GENERAL........................................................................................................................................................................... 7 4.2 QUALIFICATION TESTS.................................................................................................................................................. 8 4.3 FUNCTIONAL TESTS........................................................................................................................................................ 8 4.4 FINISH................................................................................................................................................................................... 8 4.5 DEFECTS............................................................................................................................................................................... 8 4.6 TEST METHODS - QUALIFICATION TESTS.................................................................................................................. 8 4.7 TEST METHODS - FUNCTIONAL TESTS....................................................................................................................... 8 5 DELIVERY................................................................................................................................................................................9 APPENDIX A - VAULT DETAIL DRAWING......................................................................................................................10 APPENDIX B — SUGGESTED MANUFACTURERS........................................................................................................... I I P .3of11 366-101 SPECIFICATIONS FOR PRECAST PRIMARY JUNCTION VAULTS 1 SCOPE REV SYM I This specification sets forth minimum requirements for the design, construction, delivery and offloading of precast primary junction vaults as detailed on Drawing 366-101. Excavation and installation will be by Utilities. 2 APPLICABLE DOCUMENTS 2.1 ASTM Standards 2.2 American Concrete Institute A.C.I. 318, Latest Revision 2.3 American Welding Society AWS D12.1-61 2.4 Light and Power Drawing 366-101 2.5 AASHTO Standard Specifications for Highway Bridges 2.6 National Precast Concrete Association's Quality Control Manual for Precast Concrete Plants 3 REQUIREMENTS 3.1 GENERAL REQUIREMENTS FOR DESIGN AND CONSTRUCTION 3.1.1 QUALIFICATIONS Manufacture, transportation, and offloading shall be by a Company specializing in providing precast products and services normally associated with precast/prestressed concrete construction. The manufacturer shall demonstrate the ability to provide appropriately skilled workers, tools, equipment, and facilities. To assure proper quality control and supervision, all concrete products associated with the vault shall be produced in the same National Precast Concrete Association (NPCA) certified manufacturing facility. The manufacturer shall comply with the requirements set by the NPCA's Quality Control Manual for Precast Concrete Plants. If the manufacturer is not NPCA certified at the time bids are awarded, three weeks will be allowed to obtain certification. If certification is not obtained within the allotted three-week period, the award will be made to the next low bidder that is NPCA certified. Utilities reserves the right to cancel the contract if the product does not meet specifications, even if a non -conforming vault has been accepted. 3.1.2 DESIGNS 3.1.2.1 Design shall be in accordance with the provisions of the American Concrete Institute A.C.I. 318 for reinforced concrete. The effect of openings in the sides, top, and bottom shall be taken into account, together with all possible loads or combinations thereof. 3.1.2.2 Wheel loading shall be HS25 as prescribed by the American Association of State Highway and Transportation Officials (AASHTO). 3.1.2.3 No structure shall be designed for soil pressure less than an equivalent fluid pressure of 50 pounds per cubic foot. 3.1.2.4 All structures shall be designed for a minimum hydrostatic pressure of 5 feet measured from the base of the structure. 3.1.2.5 Floors shall be designed for a minimum load of 20 pounds per square foot and a single concentrated load equal to the area in feet of the floor times 35 pounds placed at any point on the floor. Pg. 4 of 11 366-101