Gedeon GRC Consulting provided resident engineering inspection services for the reconstruction of the approximately 1,393.4’-long Park Avenue Tunnel carrying one lane of traffic north under East 33rd St. to East 40th St. in Manhattan. Constructed in the 1850s, the bridge previously known as the Murray Hill Tunnel, carried two-way traffic, however in 2008 was condensed to one-way traffic due to hazardous conditions including speeding and dense sight at the 33rd Street exit.
Scope of work included, but was not limited to the following:
- Replacement of tunnel, approach roadways and curbs, drainage systems, tunnel lighting, fire detection system, and carbon monoxide
- Removal of tunnel roof liner, waterproofing, restoration of tunnel walls, rehabilitation of tunnel portals, and upgrading of tunnel ventilation system
- Abatement lead and asbestos containing materials
- Street intersections safety improvements, AASHTO railings incorporation, and removal of barriers and fences
Resident Engineering Inspection Services included: Reviewing contractor's mobilization requirements (drawings, work permits, insurances, work schedule, manufacturers’ specification data sheets, MPT plans and permits); monitoring contractor’s operations; and processing contractor's payments. Also required were field measurement and collection of data necessary to submit monthly and final estimates, progress reports, and preparation of record plans showing all changes from the contract plans.
All records are kept in accordance with MURK.
