22WA11 - Addendum No. 1.pdf
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- Solicitation number
- S-KR1079-00007159
- Issued by
- Douglas County, Oregon
About this file
This document is Addendum No. 1 to the contract documents for Project No. 22WA11, a 24-Inch Transmission Main project from Isabell Avenue to Newton Creek Road for the City of Roseburg, Oregon. The addendum includes changes to the specifications for the corrosion monitoring system for ductile iron pipe, polyethylene encasement requirements, and approved manufacturers for couplings. The project is being managed by CONSOR, an engineering firm located in Portland, Oregon.
The addendum provides clarification and revisions to the technical specifications outlined in the contract documents. It does not contain information about pricing, set-asides, incumbents, funding sources, or other salient commercial terms.
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Other files
| File | Type | Posted |
|---|---|---|
| 22WA11 - Bid Set - Vol 1.pdf | ||
| 22WA11 - Bid Opening Results.pdf | ||
| 22WA11 - Bid Set - Vol 2.pdf | ||
| Bid tabulation~8.xlsx | XLSX spreadsheet | |
| 22WA11 - Notice of Intent to Award.pdf | ||
| 22WA11 - Specification Documents.pdf |
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Text version
Addendum No. 1 PROJECT NO. N223415OR Page 2 of 2
ADDENDUM NO. 1
TO THE
CONTRACT DOCUMENTS
FOR
PROJECT NO. 22WA11
24-INCH TRANSMISSION MAIN
ISABELL AVENUE TO NEWTON CREEK ROAD
FOR
CITY OF ROSEBURG
THIS ADDENDUM IS HEREBY MADE A PART OF THE CONTRACT DOCUMENTS TO THE SAME
EXTENT AS THOUGH IT WERE ORIGINALLY INCLUDED THEREIN.
BIDDERS MUST ACKNOWLEDGE RECEIPT OF ALL ADDENDA ON THE BID PROPOSAL FORM. BID
PROPOSALS THAT FAIL TO ACKNOWLEDGE ALL ADDENDA MAY BE CONSIDERED IRREGULAR AND
MAY BE REJECTED.
ISSUED THIS 26TH DAY OF JUNE, 2023.
CONSOR
One SW Columbia Street, Suite 1700
Portland, OR 97204
(503) 225-9010
12/31/2024
Addendum No. 1 PROJECT NO. N223415OR Page 2 of 2
ITEM NO. 1 – VOLUME 1; SPECIFICATION SECTION 26 42 01, CORROSION MONITORING SYSTEM
FOR DUCTILE IRON PIPE
A. On page 26 42 01 – 12, in Section 3.7A - WAX TAPE COATING AND POLYETHYLENE ENCASEMENT FOR DI PIPE AND FITTINGS, REPLACE the words “… 02620, Ductile Iron Pipe, Fittings and Special Items and Section 02640, PVC Pressure Pipe, Fittings & Special Items …...” WITH “… 33 11 10, Water Utility Distribution & Transmission Piping …...”.
ITEM NO. 2 – VOLUME 1; SPECIFICATION SECTION 33 11 10, WATER UTILITY DISTRIBUTION &
TRANSMISSION PIPING
A. On page 33 11 10 – 8, in Section 2.1B.8. - Polyethylene Encasement:
REPLACE subsection b) as follows:
“b. Polyethylene encasement shall consist of three layers of co-extruded linear low-density polyethylene (LLDPE), fused into a single thickness of not less than eight mils. The inside surface of the polyethylene wrap to be in contact with the pipe exterior shall be infused with a blend of antimicrobial compound to mitigate microbiologically influenced corrosion and a volatile corrosion inhibitor to control galvanic corrosion.”
ADD subsection c) below:
“c. Polyethylene encasement shall be V-Bio Enhanced Polyethylene Encasement, no exceptions.”
ITEM NO. 3 – VOLUME 1; SPECIFICATION SECTION 33 11 10, WATER UTILITY DISTRIBUTION &
TRANSMISSION PIPING
A. On page 33 11 10 – 9, in Section 2.1 B. 9. d. 4) a) - For pipe larger than 12”, ADD subsection below:
“(3) “HDSS”, United States Pipe and Foundry Company.”
B. On page 33 11 10 – 9, in Section 2.1 B. 9. d. 4) b) - For pipe 12” and smaller, ADD subsection below:
“(5) “HDSS”, United States Pipe and Foundry Company.”
| 2023-06-26T12:30:50-0700 | |
| Justin R Luce |
File details come from the government source that posted it. Updated .