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City of Dover·Delaware

Inflow and Infiltration Improvement

Closes 5/26/2021$3.5M – $5MInvitation for Bid
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Description

This solicitation seeks a qualified contractor to perform a comprehensive video‑based condition assessment of a municipal sanitary sewer system, including main lines, manholes, and laterals, and to produce detailed repair‑cost estimates for identified deficiencies. The work is purely evaluative—no actual repairs are required—yet the scope covers hundreds of thousands of linear feet of pipe and thousands of individual assets, indicating a regional or statewide network. Two vendors submitted bids (Reybold Construction and Standard Pipe Services) with total bid amounts exceeding $4 million, reflecting the large scale of the effort. • Video‑inspection (CCTV) of sewer mains ranging from 4‑in. to 27‑in. diameters. • Assessment of each manhole (MACP) and lateral connections with cost‑estimate modeling. • Contingency items for field data collection on manholes, pipes, and laterals. • Option for a higher‑detail “Level 2” manhole assessment (alternate bid).

Attached files

Key dates

Opened
9/29/2026
Closes
5/26/2021

Last updated

Details

Type
Invitation for Bid
Industry
Water Management and Sanitation
NAICS
237110
Solicitation №
21-0037WW

Budget estimate

$3,500,000 – $5,000,000

Based on the bid tabulation, the combined vendor totals (including contingency and alternate items) exceed $4 million. Assuming a typical contractor profit margin of 10‑20% for large‑scale utility assessment projects, the expected revenue to the winning firm would likely fall between roughly $3.5 million and $5 million. Factors influencing the final amount include the exact scope selected (Option 1 vs. Option 2), any negotiated adjustments, and potential cost‑sharing arrangements with the agency.

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