A.02.12 Technical Specification.pdf
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- Attached to
- LLA T1 and T2 Transformer Repair Parts
- Solicitation number
- W912EF23Q0015
About this file
This technical specification outlines requirements for replacement parts for transformers T1 and T2 at the Lower Granite Lock and Dam. The scope includes furnishing gaskets and packing kits from Hitachi/ABB as well as expansion bellows from Powell. Item descriptions specify part numbers, materials, and quantities needed. Submittals are due within six weeks of award of contract W912EF23Q0015, issued by the Department of the Army Corps of Engineers Walla Walla District, to ensure delivery of all items to the Lower Granite Lock and Dam within twelve weeks of award. A five-year warranty is required on all parts, labor, and workmanship.
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TECHNICAL SPECIFICATIONS
LOWER GRANITE LOCK AND DAM
Transformer T1 and T2 Overhaul Parts
1.0 INTENT
The following specifications pertain to the purchase of; Hitachi/ABB Gaskets and Radiator Valve Packing Kits and Powell T1 Iso-Phase Expansion Bellows. Working closely with the Power Systems Section, at USACE Hydroelectric Design Center (HDC), the parts were selected as an acceptable replacement for the original equipment.
2.0 SCOPE
The successful bidder shall be required to furnish the Transformer Overhaul Parts to Lower Granite Lock and Dam within the timeframe listed in section 8.0 (Shipment and Delivery).
3.0 SYSTEM REQUIREMENTS
3.1 Item 0001: Hitachi/ABB Radiator Gaskets. Provide gaskets made of Nitrile NBR (Buna N).
Design gaskets for compression by at least 25% of their original thickness. Do not use O-ring gaskets for gasket grooves of rectangular cross-section. Provide a barrier for oil leaks that meet the manufacturer's original design. Part # 763C035H02. Quantity 268 each.
3.2 Item 0002: Hitachi/ABB Rectangular Manhole Gaskets. Provide gaskets made of Nitrile NBR
(Buna N). Design gaskets for compression by at least 25% of their original thickness. Do not use O-ring gaskets for gasket grooves of rectangular cross-section. Provide a barrier for oil leaks that meet the manufacturer's original design. Part # 763C102HO1. Quantity 5 each.
3.3 Item 0003: Hitachi/ABB High Voltage Bushing Gaskets. Provide gaskets made of Nitrile NBR leaks that meet the manufacturer's original design. Part # 763C036H21. Quantity 5 each.
3.4 Item 0004: Hitachi/ABB Low Voltage Bushing Gaskets. Gaskets must be made of Fluor-elastomeric gasket material (Viton Type B) with a Durometer rating between 50 and 70. Design gaskets for compression by at least 25% of their original thickness. Do not use O-ring gaskets for gasket grooves of rectangular cross-section. Provide a barrier for oil leaks that meet the manufacturer's original design. Part # 769C036H09. Quantity 20 each.
3.5 Item 0005: Hitachi/ABB H-2 (Neutral Bushing) Gaskets. Provide gaskets made of Nitrile NBR leaks that meet the manufacturer's original design. Part # 763C035H15. Quantity 5 each.
3.6 Item 0006: Hitachi/ABB Oil Gage Gaskets. Provide gaskets made of Nitrile NBR (Buna N).
Design gaskets for compression by at least 25% of their original thickness. Do not use O-ring gaskets for gasket grooves of rectangular cross-section. Provide a barrier for oil leaks that meet the manufacturer's original design. Part # 763C035H08. Quantity 5 each.
3.7 Item 0007: Hitachi/ABB Radiator Valve Packing Kits Part# 584A750G04. Quantity 184 each.
3.8 Item 0008: Powell, T1 Iso-phase Expansion Bellows for 31.625 OD bus. Product# 1560950.
Provide twelve new expansion bellows for connection between isophase bus housing and low-voltage bushing housing on T1 Bank transformers. Quantity 12 each.
4.0 PRE-AWARD SUBMITTALS
For consideration of an “or approved equal product” bids - descriptive materials (brochures, illustrations, drawings, data sheets, etc.) must be submitted which will allow the Contracting Officer to determine, without discussion with the bidder, whether the products being offered meet or exceed all of the required specifications. Submittals shall include, but not be limited to, copies of manufactures catalog cut sheets, specification sheets, manufacturer certifications, and warranty information. Failure to submit adequate supporting documentation may result in disqualification of proposed quote.
5.0 POST AWARD SUBMITTALS
N/A
6.0 WARRANTY
All transformer instrumentation components shall have a 5-year warranty on all parts, labor and workmanship from factory defects.
7.0 ON-SITE TRAINING
N/A
8.0 SHIPMENT AND DELIVERY
8.1 All items shall be delivered FOB destination to Lower Granite Lock and Dam within Six (12) weeks of contract award.
8.2 The contractor shall be responsible for packing and shipping the components in a manner that will ensure undamaged and complete arrival to Lower Granite Lock and Dam.
8.3 No shipments are allowed other than normal business hours of Monday through Thursday 7:00 a.m. - 4:00 p.m., excluding Federal holidays.
8.4 All shipments shall be delivered to:
US Army Corps of Engineers Lower Granite Lock and Dam 885 Almota Ferry Road Pomeroy, WA 99347-9632
| TECHNICAL SPECIFICATIONS |
| LOWER GRANITE LOCK AND DAM |
| Transformer T1 and T2 Overhaul Parts |
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