# NYC Passport #82627P0005

Construction management services for Wallkill Blow-off Chamber rehabilitation

**Posted:** November 02, 2026
**Respond By:** December 10, 2026
**Identifier:** 82627P0005
**NAICS:** 541330, 541611

New York City DEP is seeking a consultant to manage construction and closeout of the Wallkill Blow-off Chamber rehabilitation in the Catskill Aqueduct system.
- **Government buyer:** City of New York Department of Environmental Protection (DEP), Bureau of Engineering Design and Construction (BEDC).
- **Opportunity:** Construction management services under Contract CAT-523-CM for the Wallkill Blow-off Chamber in Gardiner, Ulster County, New York.
- **Construction work overseen:** Replace four hydraulically actuated valves with electrically actuated valves and new piping; improve valve-pit access; perform hazardous-material abatement, masonry and roof repairs, electrical and security upgrades, site and drainage work, and repairs to the blow-off conduit and discharge channel.
- **Services:** Project management and reporting; design constructability and biddability reviews; procurement and permit-transition support; construction administration, resident engineering, inspections, EHS and quality oversight, schedule and change-order management, stakeholder liaison, testing and commissioning coordination, as-built documentation, asset surveys, and closeout and claims support.
- **Notable deliverables:** 8 procurement-phase, 60 construction-phase, and 18 closeout-phase monthly progress reports; 60 schedule analysis reports; certified as-built drawings; and project, quality, risk, EHS, commissioning, and closeout plans.
- **Key requirements:** Consultant must self-perform at least 51% of the work. The solicitation also sets a 30% M/WBE participation goal and a Community Hiring goal.
- **OEMs and vendors:** No product manufacturers, OEMs, or commercial vendors are named. No product line items are specified; this is a services procurement.

### Description

The New York City Department of Environmental Protection seeks construction management services for rehabilitation of the Wallkill Blow-off Chamber in the Catskill Aqueduct system. The work includes overseeing construction activities involving valve replacement, chamber and conduit repairs, electrical and security upgrades, and civil/site improvements. The consultant will provide project management and construction-phase services through project closeout; proposers must self-perform at least 51% of the work. Responses must be submitted through PASSPort.

[View original listing](https://passport.cityofnewyork.us/page.aspx/en/bpm/process_manage_extranet/39037)