SOLICITATION NOTICE
61 -- THREE-PHASE 15 KV DEAD-FRONT PAD-MOUNTED SWITCHGEAR FOR SAN CARLOS IRRIGATION PROJECT, COOLIDGE, AZ
- Notice Date
- 9/15/2009
- Notice Type
- Combined Synopsis/Solicitation
- Contracting Office
- BIA - San Carlos Irrigation Project San Carlos Irrigation Project13805 N Arizona Blvd Coolidge AZ 85228
- ZIP Code
- 85228
- Solicitation Number
- RMH00090070
- Response Due
- 9/21/2009
- Archive Date
- 9/15/2010
- Point of Contact
- Renee Holly Contract Specialist 6023793822 renee.holly@bia.gov;
- E-Mail Address
-
Point of Contact above, or if none listed, contact the IDEAS EC HELP DESK for assistance
(EC_helpdesk@NBC.GOV)
- Small Business Set-Aside
- Total Small Business
- Description
- This is a combined synopsis/solicitation, for commercial items prepared in accordance with the format in Subpart 12.6, and as supplemented with additional information included in this notice. This announcement constitutes the only solicitation; Qutoes are being requested and a written solicitation will not be issued. This solicitation, RMH0090070, is issued as a Request for Quote (RFQ). The following provisions, and any addenda to the provisions, apply to RMH00090070: 52.212-1 Instructions to Offerors Commercial Items52.212-3 Offeror Representations and Certifications Commercials Items52.212-4 Contract Terms and Conditions Commercial Items52.212-5 Contract Terms and Conditions Required to Implement Statutes or Executive Orders Commercial Items A completed copy of the provision 52.212-3 - Offeror Representations and Certifications must be submitted with the offer. This procurement is set-aside for small business vendors. Email inquiries only - telephone inquiries will not be accepted: RFQ DUE DATE: SEPTEMBER 21, 2009, 4:00 p.m. Local Time Award will be based upon Lowest Price Technically Acceptable (LPTA). renee.holly@bia.gov APPENDIX 1 will be provided by email request only. REQUIREMENT: THE BUREAU OF INDIAN AFFAIRS, SAN CARLOS IRRIGATION PROJECT HAS A REQUIREMENT FOR THE FOLLOWING: 1) NEW THREE-PHASE 15 KV DEAD-FRONT PAD-MOUNTED SWITCHGEAR - QTY (8) EACH 2) NEW 14.4 KV NOMINAL FUSES - QTY (7) EACH SAN CARLOS IRRIGATION PROJECTSTANDARD SPECIFICATION FOR THREE-PHASE 15 kVDEAD-FRONT PAD-MOUNTED SWITCHGEARA. GeneralThe pad-mounted switchgear shall be in accordance with the three-line diagram shown in Appendix 1,Arrangement #1 and Arrangement #5.1. ProductThe pad-mounted gear shall be in accordance with the applicable plans, drawings and one-linediagrams and shall conform to these specifications.2. AssemblyThe outdoor pad-mounted gear shall consist of a single self-supporting enclosure, containing threephase group-operated interrupter switches and three-phase sets of single?]pole fuses with thenecessary accessory components, all completely factory assembled and operationally checked.3. CoordinationTo ensure a completely coordinated design, the pad-mounted gear shall be integrally designed andproduced by the manufacturer of the basic switching equipment.4. RatingsRatings for the integrated pad-mounted assembly shall be as designated below:System Voltage Class:kV, Nominal 14.4 kVkV, Maximum Design 17 kVkV, BIL 95 kVMain Bus Continuous, Amps 600Switch Load-]Interrupting, Amps 600Switch Short-Circuit Ratings (may be limited by bushing & elbow/cable components):Amps, RMS Symmetrical 25,000MVA, 3?]Phase Symmetrical at Rated Nominal Voltage 620Fault-Closing Amps, RMS, Asym., 3?]Time Duty Cycle 40,000Fuse Ratings @ 14.4 kV Nominal (S&C SMU-20 or Cutler-Hammer DBU):Continuous, Amps 200Amps, RMS Symmetrical 22,400MVA, 3-Phase Symmetrical at Rated Nominal Voltage 3505. Certification of RatingsThe manufacturer shall be completely and solely responsible for the performance of the basicswitch and fuse components as well as the complete integrated pad-mounted gear assembly asrated.The manufacturer shall furnish certification of ratings of the basic switch and fuse componentsand/or the integrated pad-mounted gear assembly consisting of the switch and fuse components incombination with the enclosure. This certification of the integrated unit shall include testing thepad-mounted gear to the fault-close requirements of the specification to assure the bus supportsystem and components are adequate.6. SubmittalsThe manufacturer shall furnish the following drawing and reports:a) Layout showing dimensions, arrangements, electrical ratings, components and weights.b) Certified test reports of similar manufactured units showing fault-closing capability andload-interrupting capability of switches and complete pad-mounted gear assembly based onmaximum design voltage.7. Compliance with Standards & CodesThe pad-mounted switchgear shall conform to or exceed the applicable requirements of theFollowing standards and codes:a) ANSI C37.74?]2003. IEEE Standard Requirements for Subsurface, Vault, and Pad-mountedLoad-Interrupter Switchgear and Fused Load-Interrupter Switchgear for Alternating CurrentSystems Up to 38 kVb) IEEE C37.60-2003. IEEE Standard Requirements for Overhead, Pad-mounted, Dry Vault, andSubmersible Automatic Circuit Reclosers and Fault Interrupters for Alternating CurrentSystems Up to 38 kVc) ANSI/IEEE C57.12.28?]1999. Standard for Pad?]mounted Equipment. Enclosure Integrityd) ANSI/IEEE Standard 386?]1995. Standard for Separable Insulated Connectore) Article 490.21(E) ?gLoad Interrupters?h in the National Electrical Code, which specifies that theinterrupter switches in combination with power fuses shall safely withstand the effects ofclosing, carrying, and interrupting all possible currents up to the assigned maximum shortcircuitrating.f) All portions of ANSI C37.72 covering switch testing.g) All portions of ANSI, IEEE, and NEMA standards applicable to the basic switch and fusecomponents.Page 28. Enclosure DesignTo ensure a completely coordinated design, the pad-mounted gear shall be constructed inaccordance with the minimum construction specifications of the fuse and/or switch manufacturerto provide adequate electrical clearances and adequate space for use handling.In establishing the requirements for the enclosure design, consideration shall be given to allrelevant factors such as controlled access and tamper resistance.B. Construction. Assembly1. Insulators, Bushings and Bushing WellsThe interrupter-switch and fuse-mounting insulators and the bushings and bushing wells shallhave the following material characteristics and restrictions:a) Operating experience of at least 15 years under similar conditions.b) Ablative action to ensure non-tracking properties.c) Adequate leakage distance established by test per IEC Standard 60507.d) Adequate strength for short-circuit stress established by test.e) Conformance with applicable ANSI standards.f) Homogeneity of the cycloaliphatic epoxy resin throughout each insulator, bushing andbusing well to provide maximum resistance to power arc. Ablation due to high temperaturefrom power arcs shall continuously expose more material of the same composition andproperties so that no change in mechanical or electrical characteristics takes place becauseof arc-induced ablation. Furthermore, any surface damage to insulating components duringinstallation or maintenance of the pad-mounted gear shall expose material of the samecomposition and properties so that insulating components with minor surface damage neednot be replaced.g) Each insulator, bushing and bushing well shall be x-rayed to assure it is essentially void free.An alternate testing method may be used only by approval of the engineer.2. High-Voltage Busa) Bus and interconnections shall consist of bare aluminum bar of 56% IACS conductivity withan oxide-inhibiting agent at all bus joints.b) Bus and interconnections shall withstand the stresses associated with short circuits upthrough the maximum rating of the pad-mounted gear, including proper allowance fortransient conditions.c) Bolted aluminum-to-aluminum connections shall be made with a suitable number of noncorrosivebolts and with two Belleville spring washers per bolt, one under the bolt head andone under the nut, or with a wide, flange-head bolt and one Belleville spring washer perbolt. As an alternate, bolted aluminum-to-aluminum connections shall be made with asuitable equivalent surface area, i.e. I-bolt and spring washer. Bolts shall be tightened to anappropriate torque to assure good electrical connection.3. Ground-Connection Padsa) A ground connection pad shall be provided in each termination compartment of the padmountedgear.b) The ground connection pad shall be constructed of l/4" thick, galvanized or stainless steeland have a NEMA 2-hole pattern for ground connections. The pad shall be welded to theenclosure and shall have a short-circuit rating equal to that of the integrated assembly.c) A full width copper grounding rod shall be provided in each cable terminating compartment.C. Construction. Enclosure & Finish1. Enclosurea) The pad-mounted enclosure shall be of unitized construction (not structural frame andbolted sheet) to maximize strength, minimize weight, and inhibit internal corrosion.b) The basic material for the enclosure, roof and doors shall be 11-gauge, hot-rolled, pickled-and-and-oiled steel sheet.c) All structural joints and butt joints shall be welded, and the external seams shall be groundflush and smooth. A welding process shall be employed that eliminates alkaline residuesand minimizes distortion and spatter.d) To guard against unauthorized or inadvertent entry, enclosure construction shall not utilizeany externally accessible hardware.e) The base shall consist of continuous 90-degree flanges, turned inward and welded at thecorners, for bolting to the concrete pad.f) The door openings shall have 90-degree flanges, facing outward, that shall provide strengthand rigidity as well as deep overlapping between doors and door openings to guard againstwater entry.g) In consideration of tamper resistance, the enclosure shall conform to or exceed therequirements of ANSI/IEEE C57.12.28.h) A heavy coat of insulating "no-drip" compound shall be applied to the inside surface of theroof to reduce condensation of moisture thereon.i) Lifting tabs shall be removable. Sockets for the lifting-]tab bolts shall be blind-tapped. Aprotective material shall be placed between the lifting tabs and the enclosure to preventthe tables from scratching the enclosure finish. This material shall be non-hygroscopic toprevent moisture from being absorbed.2. Barrier AssemblyInsulating interphase and end barriers shall be provided in each switch and fuse compartmentsas required to achieve necessary insulation levels. This barrier system shall be constructed offiberglass reinforced polyester (NEMA rated GPO-3).3. Doorsa) Doors shall be constructed of 11-gauge hot-rolled, pickled-and-oiled steel sheet.b) Door edge flanges shall overlap with door opening flanges and shall be formed to create amechanical maze that shall guard against water entry or discourage tampering or insertionof foreign objects.c) Doors shall have a minimum of three stainless steel hinges and hinge pins. The hinge pinsshall be secured in place to guard against tampering.d) One active and one passive door shall be provided. In consideration of controlled accessand tamper resistance, each active door shall be equipped with a positive-action threepointauto-latch mechanism and padlock hasp.e) Each active door shall be provided with a stainless-steel cover over the operating bolt. Thecover shall be padlockable and shall incorporate a hood to protect the padlock shacklefrom tampering and access to the operating bolt. Each handle shall be provided with arecessed penta?](hex optional) head bolt for additional security.f) Each passive door shall be independently secured and latched to the enclosure and shallnot require a tool for opening.g) Doors providing access to fuses shall have provisions to store spare expulsion type fuseunits or refills.h) Each door shall be provided with a stainless-steel door holder located above the dooropening. These holders shall be hidden from view when the door is closed. It shall not bepossible for the holders to swing inside the enclosure.4. Finisha) Full coverage at joints and blind areas shall be achieved by processing enclosuresindependently of components such as doors and roofs before assembly into the unitizedstructures.b) All exterior seams shall be sanded or ground smooth for neat appearance.c) All surfaces shall undergo a chemical cleaning, phosphatizing and sealing process beforeany protective coatings are applied in order to remove oils and dirt, form a chemically andanodically neutral conversion coating, improve the finish-to-metal bond, and retardunderfilm propogation of corrosion.d) The finishing system shall be applied without sags or runs.e) After the enclosure is completely assembled and the components (switches, bus, etc.) areinstalled, the finish shall be inspected for scuffs and scratches.f) Blemishes shall be carefully touched up by hand to restore the protective integrity of thefinish.g) The topcoat color shall be Desert Tan.h) To ensure that the finishing system is capable of resisting corrosion, the manufacturer shallprovide on request, certification that representative test panels, protected by themanufacturer's finish system, have passed the coating system performance requirementsin section 5.4 of ANSI C57.12.28.1999.D. Basic Components1. Interrupter Switchesa) Interrupter switches shall have a three-time duty-cycle fault-closing rating equal to orexceeding the short circuit rating of the integrated pad-mounted gear assembly. Theseratings define the ability to close the interrupter switch either alone (unfused) or incombination with the appropriate power fuses three times against a three-phase fault withasymmetrical current in at least one phase equal to the rated value, with the switchremaining operable and able to carry and interrupt rated current. Tests substantiating theseratings shall be performed at maximum design voltage with current applied for at least 10cycles. Certified test abstracts establishing such ratings shall be furnished to SCIP.b) Interrupter switches shall utilize a quick-]make, quick-break mechanism installed by theswitch manufacturer. The quick-make, quick-break mechanism shall be integrally mountedon the switch frame, and shall swiftly and positively open and close the interrupter switchindependent of the speed of the switch operating handle.c) Interrupter switches shall be operated by means of an externally accessible switchoperatinghub. The switch-operating hub shall be located within a recessed stainless-steelpocket mounted on the side of the pad-mounted enclosure. The switch-operating hubpocket shall include a padlockable stainless-steel access cover that shall incorporate a hoodto protect the padlock shackle from tampering. Labels or targets to indicate switch positionsshall be provided in the switch operating hub pocket.d) Each interrupter switch shall be completely assembled and adjusted by the switchmanufacturer on a rigid mounting frame. The frame shall be of heavy-gauge steelconstruction.e) Interrupter switch shall be provided with contact blades and interrupters for circuit closing,including fault-closing, continuous current carrying, and circuit interrupting. Spring loadedauxiliary blades shall not be permitted.f) Circuit interruption shall be accomplished by use of an interrupter which is positively andinherently sequenced with the blade position. It shall not be possible for the blade andinterrupter to get out of sequence.g) Interrupter switches shall have a readily visible open gap when in the open position to allowpositive verification of correct switch position. In addition, an open/close label shall beprovided to give a visual indicator of switch position.h) Each interrupter switch shall be provided with a switch operating handle. The switchoperatinghandle shall be secured to the inside of the switch-operating hub pocket and shallbe stored behind the switch-operating hub access cover.i) Provision to padlock switch-operating hub in open or closed position shall be provided.j) Cable guides shall be provided to help orient cables at switch and bus compartmentterminals.k) Mounting provisions shall be provided to accommodate one three-phase fault indicatorwith three single-phase sensors in each switch compartment2. Switch Compartmentsa) Switch terminals shall be equipped with 600 ampere rated bushings that include removablethreaded studs to accommodate a choice of termination systems. Fuse terminals areequipped with 200 ampere rated bushing wells designed to accept 200 ampere bushinginserts. Bushings and bushing wells have interfaces in accordance with ANSI/IEEE Standard386 (ANSI Standard C119.2) to accept all standard separable insulated connectors andinserts. Parking stands are provided adjacent to each bushing and bushing well toaccommodate feed-throughs and standoff insulators.b) All medium-voltage switch and fuse components are completely encased in an innergrounded steel compartment. The component compartment floor shall be of 18-gaugegalvanized steel sheet to exclude foliage and animals.c) Viewing windows are provided within the termination compartments to allow visualverification of switch position, observation of switch-position open/close labels andinspection of blown-fuse indicators on power fuses.3. Fuse Compartmenta) Fuse access panels shall have a mechanical interlock that guards against gaining access tothe fuse before opening the loadbreak separable insulated connector at the fuse terminal.b) The fuse shall be accessible only when de-energized and isolated - for full-view nonloadbreakdisconnection and removal with a shotgun stick. This mounting features positivelatching in both the energized and de-energized positions. When latched in the openposition, the de-energized fuse is electrically isolated and readily accessible to operatingpersonnel for removal.c) Access to the compartment containing energized components when fuses are beingchanged shall be blocked by a latched GPO-3 panel.d) Individual parking stands shall be provided for each fuse mounting to allow convenientinstallation of elbow accessories to accommodate grounding. A ground rod shall be installedacross the full width of the fuse compartments for connecting of cable concentric neutrals.Fuse phases shall be equipped with cable guides to assist in cable training and to preventcables from interfering with movement of the fuse-access panel.e) To provide maximum service life and to prevent corrosion of moving parts, all latches andpivots in the fuse-handling mechanism shall be either painted steel, stainless steel, or zincplated.f) Fuse storage hooks shall be provided on fuse-termination compartment access door(s). Eachset of hooks shall allow the storing of three spare fuseholder or fuse units with end fittingsfor power fuses. Storage hooks shall be for two holders when current-limiting fuses areused.E. Labeling1. Warning SignsAll external doors shall be provided with approved "WARNING. HIGH VOLTAGE. KEEP OUT"signs.2. Nameplate, Ratings Labels & Connection Diagramsa) The outside of both the front and back shall be provided with nameplates indicating themanufacturer's name, catalog number, model number, and date of manufacture.b) The inside of each door shall be provided with ratings label indicating the following: voltageratings; main bus continuous rating; short-circuit ratings (amperes, RMS symmetrical andMVA three-phase symmetrical at rated nominal voltage); the type of fuse and its ratingsincluding duty-cycle fault-closing capability; and interrupter switch ratings including dutycyclefault-closing capability and amperes, short-time, RMS (momentary asymmetrical andone-second symmetrical).c) A three-line connection diagram showing interrupter switches, fuses and bus along with themanufacturer's model number shall be provided on the inside of both the front and reardoors, and on the inside of each switch-operating hub access cover.F. AccessoriesEnd fittings or holders, and fuse units or refill units for original installation, as well as spare fuse unitor refill unit for each fuse mounting, shall be furnished in accordance with the client's requirementswhen specified.
- Web Link
-
FBO.gov Permalink
(https://www.fbo.gov/spg/DOI/BIA/RestonVA/RMH00090070/listing.html)
- Place of Performance
- Address: COOLIDGE, ARIZONA
- Zip Code: 851284701
- Zip Code: 851284701
- Record
- SN01954809-W 20090917/090916000445-db29c27d5c9906ac900716907a6fe26e (fbodaily.com)
- Source
-
FedBizOpps Link to This Notice
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