Project Information

Bid Title

Request for Proposals for Siphon No. 2 Inspections

Issuing Agency

Denver Water

Location

Colorado

Published Date

Jun 4, 2025

Closing Date

Jun 6, 2025

Government Level

State & Local

Status

Closed

Original Source

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Bid Documents

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Project Description

Engineering

Request for Proposals for Siphon No. 2 Inspections

Contract or Solicitation Number:

Solicitation Description:

Denver Water is soliciting proposals to perform an internal pipeline assessment for the 76-inch diameter Siphon No. 2. The steel pipe is a 946-foot-long inverted siphon located near Winter Park, Colorado and carries spring runoff (raw water). This RFP is intended for vendors in possession of high-resolution inspection tools who have extensive direct experience inspecting large diameter steel pipes. The purpose of this inspection is to understand the impact of corrosion inside the pipeline by identifying metal loss and determining the remaining pipe wall thickness. Denver Water will utilize this data to develop a plan for the siphon.

Addendum No. 1:

1. Submission Deadline date change.
2. Section 1, Project Description, paragraph 3, change to Proposal due date.
3. Section 3, change to Proposal due date and Proposers Notified of Selection due date.

Section 7, Proposal Submittal, changes to paragraph 2.

Post Date:

May 12, 2025

Due Date:

June 6, 2025

Solicitation Documents:

Siphon No. 2 Inspection Request for Proposals — Addendum 1.pdf

Commodity Codes

• NAICS 541350Building Inspection Services

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