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Council approves $460,652 in consultant and CMGC design work for Purdom Sewer Trunk project
Summary
Council approved two related items for the Purdom Sewer Trunk Project Phase 1: $99,952 for owner’s advisor services with Brown & Caldwell and a $360,700 JUB Engineers amendment for CMGC design services. Council and staff discussed project complexity, CMGC benefits and prior contracting history.
The Nampa City Council voted Jan. 7 to authorize two contract actions tied to the Purdom Sewer Trunk Project Phase 1, the city’s multi-million-dollar sewer upgrade that will run from Madison to Canada Avenue.
The first action approved an owners‑advisor task order with Brown & Caldwell for $99,952 to provide oversight during the project. The second vote authorized task order amendment number 4 with JUB Engineers in the amount of $360,700 for construction-manager/general‑contractor (CMGC) design services and construction‑inspection support, bringing the recent supplemental design authorization to $360,700.
City staff framed the spending as part of a multi‑year design and delivery program that began in 2020. Public-works staff told council the project total is currently estimated in the $31–32 million range and that the cumulative engineering and CMGC fees to date represent roughly 15.5% of construction cost estimates — within the range the city expects for a CMGC delivery model. Staff explained the CMGC approach allows the contractor to participate in final design and constructability reviews early, potentially reducing change orders and accelerating schedule.
Council members pressed for clarity on cumulative contract totals with JUB Engineers. Records in the meeting packet showed prior design contracts with JUB approaching $2.0 million (noting the packet subtotal of about $1,994,xxx), and council asked what the $360,700 buys next. Public‑works staff and the project manager described the work as final design completion for the segment from 11th to Canada, providing centerline profiles, final elevations and construction inspection scope to avoid future road rework and allow developer ties. Staff also noted prior savings were retained in the project fund balance rather than reallocated automatically to other projects.
Council discussed the procurement history; staff said the designer was asked to continue because they already had the detailed knowledge, and the CMGC contractor will be used to value‑engineer the final design before construction. Councilmembers asked whether previous savings could be used for the current task order; staff said funds had been closed into the fund balance and not reallocated to the Purdom project without a separate authorization.
Both items passed on roll call. The JUB amendment passed with one recorded “no” vote from Councilman Reynolds; the owners‑advisor task order passed unanimously.
