Amendment_00004_Spec_Page_22.docx
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- Longtin Substation, Stage 02 construction project Federal contract opportunity
- Solicitation number
- DE-SOL-0005448
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Amend. 000004 Spec Page 22
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Amendment 000004
One (1) – 69-kV Surge Arrester Support Type I.
One (1) – 69-kV Fuse Disconnect Switch Support Type I.
One (1) – 25-kV Switch & Bus Support Type I.
One (1) – 27.6-kV Transformer Support Type I.
One (1) – Spare Bushing Rack.
Three (3) – Equipment cabinet platforms for the 69-kV circuit breakers including gratings, Type I, MK FR1 as shown on LNG 2925.
Six (6) – Equipment cabinet platforms for the 230-kV circuit breakers including gratings, Type II, MK FR2 as shown on LNG 2925.
Two (2) – Equipment cabinet platforms for the power transformers including gratings, Type III, MK FR3 as shown on LNG 2925.
Twenty-one (21) – Single-switch operating platforms including grating, Type I, MK FR1 as shown on drawing LNG 2926.
Two (2) – Double-switch operating platforms including grating, Type II, MK FR2 as shown on drawing LNG 2926.
The above material including connection bolts, nuts, washers, and lock nuts, shall be galvanized.
Bidding Schedule item “Modify steel lattice tower” includes providing the following:
0. Modifying steel lattice tower located at Structure No. 17/2 by adding one new OPGW plate as shown on drawing 43-27S 2203 to dead end the OPGW at this structure. The OPGW plate will replace the existing OGW plate. Structure 17/2 can handle a dead end load of up to 5000 pounds for installation of the dead end assembly on the tower. A dead end load is a load that is applied to one side of the tower with no load in the other direction. In order to pull this load the Contractor must pull at a location that is a minimum of three (3) times further than the height of the OPGW attachment, to minimize the vertical loading to the tower. This load only applies to one (1) OGW peak. All other OGW and Conductor attachment locations must be intact and have the same loads on both sides of the structure.
Steel materials shall be galvanized.
The wind speed shall be 30 miles per hour (mph) or less for modifying towers.
Bidding Schedule item “Transmission line lattice steel structures” includes providing the following:
0. Tower bodies, stub angles, and leg extensions listed in Table 4-1.
File details come from the government source that posted it. Updated .