E-202 Am-0001.pdf

PDF 198 KB Posted

Attached to
Oahe Switchyard Disconnect Switch Replacement Federal contract opportunity
Solicitation number
W9128F23R0003
Issued by
Department of the Army Corps of Engineers Engineering District Omaha

About this file

This document provides details for a federal contract solicitation for Oahe Switchyard Disconnect Switch Replacement. The U.S. Army Corps of Engineers, Omaha District is seeking to replace disconnect switches, suspension insulators, and bus sections at the Oahe Dam powerhouse switchyard in Pierre, South Dakota. Work includes replacing 40 manual switches, 13 motor-operated disconnect switches, and 15 grounding switches along with associated insulators and 1-inch and 3-inch aluminum bus sections. The project also includes an inspection of main and auxiliary buses with an allowance for 60 inches of weld repair. The contractor must commence work upon award and complete all work within 730 calendar days of the notice to proceed. The estimated construction cost ranges between $5-10 million. The primary NAICS code is 237130 for Power and Communication Line and Related Structures Construction with a small business size standard of $45 million. The solicitation closes on July 6, 2023 and is unrestricted and open to both large and small businesses.

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Other files for this federal contract opportunity

Other files attached to Oahe Switchyard Disconnect Switch Replacement, newest first.
File Type Posted
W9128F23R0003_Am 0003.pdf PDF
W9128F23R0003 Sign-in_Sheet_061423.pdf PDF
W91238F23R0003_AM0002.pdf PDF
W9128F23R0003 Sign-in_Sheet_062723.pdf PDF
13 48 00.00 26 Am-0002.pdf PDF
W91238F23R0003_AM0001.pdf PDF
01 12 00 Am-0001.pdf PDF
01 11 00 Am-0001.pdf PDF
REGISTER Am-0001.pdf PDF
33 75 10.00 26 Am-0001.pdf PDF
01 22 00 Am-0001.pdf PDF
E-201 Am-0001.pdf PDF
OA Switchyard W9128F23R0003 Solicitation 1 of 4.pdf PDF
OA Switchyard W9128F23R0003 Ref Drawings 4 of 4.pdf PDF
OA Switchyard W9128F23R0003 Contract Dwgs 3 of 4.pdf PDF
OA Switchyard W9128F23R0003 Specs 2 of 4.pdf PDF
Show all 16

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EXISTING 230kV AUX BUSEXISTING 230kV MAIN BUS

EL. 1455.50

LINE BAY BUS

3 1/2" AL TUBE

(TYP.)

BUS

TUBE EX.

3 1/2" AL

AAC

1272kcmilDS 2483

GCB 2482

1272kcmil AAC

GS 2480

WITH

DS 2481

SEE NOTE 2

EXPANSION FITTING

EXISTING DEAD END STRUCTURE

1272kcmil AAC

SUSPENSION INSULATORS

1272kcmil AACAAC 1272kcmil

DS 2485

3 1/2" AL TUBE

GCB 2486

DS 2487

AL TUBE

3 1/2"

GENERAL NOTES

2. NEW ALUMINUM EXPANSION TERMINALS, TUBE TO FLAT TYPE.

1. BOLD/RED LINES AND TEXT INDICATE NEW WORK (REMOVAL AND INSTALLATION).

MOTORIZED).

SWITCHES, GROUNDING SWITCHES, AND SWITCH OPERATORS (MANUAL AND

REFER TO SHEET E-101 AND LEGEND TO IDENTIFY LOCATIONS OF DISCONNECT

3. OPERATORS, RODS, AND GROUNDING SWITCHES NOT SHOWN FOR CLARITY.

12'-0"12'-0"11'-6"24'-0"28'-0"17'-6"

210'-0"

LINE BAY BUS

3 1/2" AL TUBE

(TYP.)

BUS

TUBE EX.

3 1/2" AL

MOD 2987

SEE NOTE 2

EXPANSION FITTING

EXISTING DEAD END STRUCTURE

1272kcmil AAC

1272kcmil AAC

AAC

1272kcmil

GS 2980

WITH

DS 2981

3 1/2" AL TUBE

GCB 2982

DS 2983

AL TUBE

3 1/2"

CCPD (TYP. OF 3)

12'-0" 12'-0" 15'-6" 26'-0" 22'-0" 17'-6"

EXISTING 230kV AUX BUS EXISTING 230kV MAIN BUS

/8

/1

EL. 1455.50

230kV POWERHOUSE LINE 3 BAY ELEVATION

SCALE: NTS

230kV TYPICAL LINE BAY ELEVATION

SCALE: NTS

/4

/1

17'-6"22'-0"26'-0"15'-6"12'-0"12'-0" 12'-0"12'-0"15'-6"26'-0"22'-0"17'-6"

210' -0"

SUSPENSION INSULATORS

LINE #3

TO POWERHOUSE

LINE 3

TO FORT THOMPSON

1272kcmil AAC

MOTOR CONTROL

MOD 2987

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