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Laramie council approves $10.9M Ivinson infrastructure contract and related construction-management amendments
Summary
Council approved a $10.88 million contract for the Ivinson Avenue infrastructure upgrades and several related construction-management authorizations and amendments to support the project and other summer construction needs.
The Laramie City Council on May 6 approved multiple actions to move forward with the Ivinson Avenue infrastructure upgrades, awarding a construction contract to Western Municipal Construction and authorizing construction-management services and an amendment for on-site oversight.
Councilor Lockhart moved to award the Ivinson infrastructure upgrades phase 2 contract to Western Municipal Construction for $10,879,790 with a contingency of $1,087,979. City engineering staff described the work as reconstruction of Ivinson Avenue from 9th to 15th Street, replacement of water, sanitary and storm sewer lines, alley work and ADA improvements. The motion passed by roll call, 9–0.
The council also approved Amendment No. 7 to the professional services agreement for construction administration and observation (Trihydro) in the amount of $928,284 to provide construction administration, construction observation and project documentation during the phase 2 build. Project staff said Trihydro has historical knowledge of the project, having completed the design and construction management for earlier phases.
In a separate but related action, council approved a professional services agreement with Trihydro for CMCA (construction management and construction administration) task order 2026 in the amount of $323,950 with a $30,398 contingency to provide ongoing field inspection and documentation for a number of summer projects. City staff emphasized that full-time on-site inspection is necessary during active construction because in-house staff cannot be present at every phase.
Why it matters: The Ivinson project is a multi-year street rehabilitation and utility replacement effort intended to address failing pavement and stormwater issues, add ADA upgrades and improve long-term infrastructure resilience. Councilors noted that doing design work in-house saved substantial design costs and that construction oversight is needed to ensure quality and proper documentation for final as-built certifications.
Votes and next steps: All three measures passed unanimously. Staff said construction is expected to begin as scheduled and alley and utility replacements will occur alongside road reconstruction; Trihydro will coordinate inspection and ongoing documentation during construction.
