Sound Transit Biddingo #CN 0177-25

Issaquah Elevator Pit Water Intrusion Mitigation Construction and Consultant Services

This opportunity from Sound Transit focuses on mitigating water intrusion in the elevator pit at the Issaquah Garage in Issaquah, WA. - Government Buyer: - Sound Transit (Central Puget Sound Regional Transit Authority) - OEMs and Vendors: - Schindler Elevator Corporation (for elevator operations coordination) - STANCOR (for sump pump unit) - Products and Services Requested: - Installation of a curtain wall system at the northwest corner of the elevator shaft - 2 1/2" x 6" aluminum frame, 5/8" laminated glazing with anti-graffiti film, aluminum outside corner cover, metal infill panels - Sump pump system for elevator pit - STANCOR SE-50 submersible sump pump with oil minder pump and controls, NEMA 4 enclosure - Roof repairs including flashing and panel replacements - Replacement of interior and exterior panels for elevator shaft and room - Waterproofing materials for elevator shaft and pit - Pedestrian cable barrier (42" high cable guardrail system) - Relocation of CCTV camera, lights, and artwork - Painting as part of repairs - Electrical components for sump pump (controller, GFCI breaker, weatherproof receptacle, conduit, junction box, wiring) - Galvanized headed post-install anchor system (ASTM F1554 Grade 36) - Epoxy adhesive and polymer-modified repair mortars for concrete repair - Unique or Notable Requirements: - Coordination with Schindler Elevator Corporation for elevator-related operations - GPR scanning of post-tensioned slab areas before any concrete work - Compliance with WISHA, ASME A17.1, and Sound Transit safety requirements - ADA parking and access accommodations during construction - Restoration of landscaping, planting, irrigation, and site improvements - Noise and vibration restrictions during construction - Consultant services for design, coordination, and oversight of water intrusion mitigation and sump pump installation - Advance notifications and coordination for elevator shutdowns and lane closures - Restoration required within 30 calendar days of substantial completion of work phases

Description

This solicitation is for the installation of a new curtain wall system at the northwest corner of the elevator shaft to prevent rainwater intrusion through door sills. It also includes the installation of a sump pump system in the elevator pit to automatically remove water when detected. Additional repairs involve roof work, replacement of interior and exterior panels for the elevator shaft, waterproofing, installation of a pedestrian cable barrier, relocation of CCTV camera, lights, and artwork, and painting. The project aims to address water intrusion issues in the elevator shaft at the Issaquah Garage.

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