W9127N23Q0022 JD Turbine Pit Pumps Questions and Answers.pdf
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- Attached to
- John Day Turbine Pit Sump Pump Reliability
- Solicitation number
- W9127N23Q0022
About this file
This document contains questions and answers related to a solicitation for replacement turbine pit sump pumps at John Day Dam. The solicitation requires supply and delivery of replacement pumps, cables, conduit, strainers, and associated hardware. Key items include 400 feet of 3/4 inch flexible liquid tight metallic conduit, 5570 feet of 3/4 inch conduit connectors, 50 stainless steel strainer baskets that are 12 inches in diameter and height with 1/2 inch mesh openings, and various cables ranging from #8 to #12 AWG. No construction is specified as the U.S. Army Corps of Engineers Portland District will complete installation. The solicitation number is W9127N23Q0022 and is available on the Federal Business Opportunities website.
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W9127N23Q0022 JD Turbine Pit Pumps Questions & Answers
1. Line 1 and line 10 just have an AWG reference. Is it just a single conductor THHN wire? Also, on the conduit section 1 and 2, is my description correct? The description in the bid pack just said “Provide four hundred (400) 3/4" conduit connectors.”
WIRE TABLE
Item
AWG or cmil No. of Conductors
Stranding Comment Circuits QTY ln ft/ea
Unit price
Total
1 #10 AWG 4 N\A N/A SU1
TO
HC1
2 #8 AWG (XHHW-
2)
4 N\A Tray Rated Cable
CQHC
to HC2
3 #10 AWG(XHHW-
2)
4 N\A Tray Rated Cable
CQHC
to HC3
4 #10 AWG
(SOOW)
4 N\A Flexible and Portable Cable
HC1
TO P1
5 #8 AWG (SOOW) 4 N\A Flexible and Portable Cable
HC2 to P2
6 #10 AWG
4 N\A Flexible and Portable Cable
HC2 to P2
7 #12 AWG
8 N\A Flexible and Portable Cable
Y1 (HC
to
SPCS)
and Q1
(SPCS
to probe)
8 #12 AWG
4 N\A Flexible and Portable Cable
Z1 (HC
to
SPCS)
9 #12 AWG
4 N\A Flexible and Portable Cable
HC1 to
TPTC
10 #12 AWG 3 N\A Flexible and Portable Cable
CR to
TPTC
11 #12 AWG
3 N\A Flexible and Portable Cable
TPTC
TO AIR
VALVE
CONDUIT
1 3/4" Flexible Liquid tight metallic n/a n/a n/a n/a 5570
2 3/4" conduit connectors straight Metallic Liquid tight
3 CGB 3/4" for diameter size 0.7"
4 CGB 3/5" for diameter size .69 to .99"
5 SOOW Cord Grip 1" for cable diameter .875-1"
6 SOOW Cord Grip 3/4" for cable diameter .625- .750"
Answer:
Section 26 05 19.10 26 Paragraph 3.2.2.1 Wire table Item No.: 1 – Size, AWG or kcmil: #10 AWG (THHN) Item No.: 10 – Size, AWG or kcmil: #12 AWG (THHN)
2. What NPT/FLANGE size the in/out should be?
G-J Strainer Basket 430 or 304 Stainless Steel, 12 in Dia, 12 in Height, Mesh openings no larger than 1/2 in Dia circle. Provide with no sharps exposed to sit flat on deck
50 EA
Answer: There is no NPT/FLANGE size for its in/out because the strainer is open top and bottom with a 12 inch diameter, 12 inch tall, and 1/2 screen openings in screen mesh made from stainless steel.
3. What NPT/FLANGE size the in/out should be?
Answer:
Section 22 00 00.00 26 Paragraph 1.3 SUMMARY OF SUPPLY Additional Materials G-J: 50 x Strainer Basket 430 or 304 Stainless Steel, no NPT/FLANGE size for its in/out (strainer basket is open top and bottom), 12 in Dia, 12 in Height, Mesh openings no larger than 1/2 in dia circle. Provide with no sharps exposed to sit flat on deck.
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