University of Minnesota Ionwave #01-063-25-3284

University of Minnesota Retaining Wall Replacement – Construction and Specialty Lighting

This opportunity involves construction services for the replacement of retaining walls at Comstock and Yudof Halls on the University of Minnesota's Twin Cities campus. - Government Buyer: - University of Minnesota, Capital Project Management (Facilities Management) - Project Scope: - Demolition and removal of existing dry-stack limestone retaining walls and sidewalks - Construction of new cast-in-place concrete retaining walls with architectural cast stone veneer and capstone to match historic aesthetics - Installation of steel and stainless steel pipe railings and guardrails - Rerouting of utilities and undergrounding of overhead power lines - Replacement of exterior lighting fixtures, specifically Holophane luminaires and poles - Erosion control, site restoration, and compliance with ADA requirements for pedestrian access - Specialized excavation methods due to existing soil anchors (no-dig zones) - Mandatory landcare reviews for tree and root protection - Coordination with University departments for permitting, meter hooding, and hazardous materials - OEMs and Vendors Mentioned: - Holophane (for exterior lighting units and poles) - Bolton and Menk (Architect/Engineer of Record) - Products/Services Requested: - Cast-in-place concrete retaining walls - Architectural cast stone wall veneer and capstone - Steel and stainless steel pipe railings and guardrails - Holophane exterior lighting units (Luminaire part number: WAE3-P30-40K-MVOLT-MS-BK-GL5-SBR-TBK-AO-PR7-FPD75) - Holophane exterior lighting poles (Pole part number: WDA-12-SL4-17S-C03-BK-ABG) - Unique Requirements: - Work must maintain the historic look of the site - Staging limited to designated areas with professional fencing - ADA-compliant pedestrian detours required - Compliance with Minnesota building codes and University standards - No-dig zones due to existing soil anchors - Substantial completion required before the start of the academic year - Estimated Construction Budget: - $245,000

Description

The University of Minnesota is soliciting proposals for construction services to replace the retaining walls at Comstock and Yudof Halls on the Twin Cities campus. The project involves remediation of failing dry-stack limestone retaining walls and associated sidewalks, using cast-in-place concrete with cast stone veneer to maintain historic aesthetics. Key constraints include adherence to no-dig zones due to soil anchors supporting nearby structures, utility rerouting, mandatory landcare reviews, staging limitations, pedestrian access maintenance, and strict project scheduling to avoid conflicts with campus events. The total construction budget is $245,000, with work to start no earlier than July 6, 2026, and substantial completion required by August 28, 2026.

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