New York City Department of Environmental Protection, Avenue “V” Pumping Station and Force Mains

Posted on December 19, 2013

Client: New York City Department of Environmental Protection
Project Type: Avenue “V” Pumping Station and Force Mains
Project Period: 2006 - 2013
Project Cost: $150,000,000

Project Description

MicrotunnelingD&B provided complete construction management (CM) and inspection services for this Wicks Law project,  including: review, management and monitoring of construction schedules, maintenance of project documentation;  resident engineering inspection services; supervision and inspection of work (including the removal of hazardous  materials); EH&S monitoring; preparation of field change orders; processing contractor payments; preparation of  delay analyses and claim reports; preparation of a fixed assets survey; preparation of final copies of shop and  working drawings; preparation of as-built drawings; microfilming of records; project operation services; preparation of an implementation schedule; plan of operation; and corrective action plan.

The project consisted of an upgrade to the Avenue “V” Pumping Station and the installation of two new ductile iron  force mains. The 36” and 48” diameter force mains run along the Belt Parkway and through local Brooklyn streets  for a total length of ten miles. Reconstruction of roadways was necessary as well as protection, support and  relocation of other  underground utilities interfering with the new piping. Various construction techniques were  used including open cut, jacking and micro tunneling.42inch & 48inch open cut

During the construction, the CM had to coordinate landscaping with both the NYCDEP and homeowners. A strict  maintenance of traffic plan was instituted and overseen by the CM.

Key aspects of this CM assignment include:

• Construction on active water and sewer mains
• Maintenance and Protection of traffic
• Protection of pedestrians
• Parks Department coordination
• Protection and planting of trees and shrubs
• Protection of utilities
• Permits
• EH&S
• Scheduling
• Project Control
• QA/QC

The Avenue V pumping station is designed to pump at a capacity of 80 mgd. In instances of excess flow, overflows  are discharged via an existing regulator to Coney Island Creek. During construction, a 40 mgd temporary bypass  pumping system was installed.

In addition, improvements were made to the existing interceptor system, including lining a portion of the existing  box sewer SE-133 and performing modifications to regulator OH 1. Landscape protection and restoration was  performed along the Belt Parkway portion of the route. The pumping station and force main contracts included:  PS-17G, Structures and Equipment; PS- 79H, HVAC; PS-79P, Plumbing; PS-79E,  Electrical; and PS-79F, Force Main.

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