Construction Management

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Suffolk County Sewer District no. 3 is located at Bergen Point in the Town of. Babylon, on the South Shore of Long Island. It serves a 57-square-mile area and it treats 30.5 million gallon of wastewater per day (MGD). The plant was constructed in the 1970s and includes a pump and screen building, primary settling tanks. The project objective was to increase plant capacity by 30% by constructing two Primary Settling Tanks, two Aeration Tanks, 3 Aeration Blowers, six Influent Pumps and rehabilitation of the existing Return Sludge Pumping Station. Alternate work includes additional Final Clarifier and RAS/WAS Pumping Station, rehabilitation of existing clarifiers, construction of two additional Primary Settling Tanks and two additional Aeration Tanks.  Our services included constructability review, construction management, construction inspection, construction administration including preliminary review of submittals, monitor project schedule, running project meetings, preliminary review of RFI’s, review and processing of contractor’s payments, and review of change orders. Oversee project to coordinate with plant operations to ensure seamless operations of the plant while facility is under construction.  The overall construction cost was $81,000,000. 

This project was initiated to reduce odors at the facility and the surrounding community.  The scope of the project involved covering the aeration tanks with an aluminum extruded cover system and constructing an odor control building that would remove odors from the aeration tank by scrubbing the air stream. The project was both equipment and labor intensive.  Extensive testing was conducted on both the cover and the odor control system.  Testing was conducted 24 hours/day over an extended period of time, which included both recording data and inspection.  Once the testing was approved, the entire system was balanced and placed into operation. The construction cost was $15,000,000.  Our responsibilities included project engineering, construction inspection, RFI responses, negotiation of change orders, contractor claims evaluation, and scheduling.  

The existing facility was an operation that contained antiquated equipment that was beyond repair.  The project included an 8,300 square foot extension of the existing building and demolition of the existing building interior including all S Building equipment, controls, mechanical, architectural, and all ancillary equipment.  Construction included installation of ten new belt presses, a new instrumentation/control system, all new pumps, tanks, odor control system, security system, truck loading area with conveyors and pricing.  The construction cost was $35,400,000. Our responsibilities included project engineering, construction inspection, conducting foreman's and project meetings, negotiation of change orders, project estimate, contractor claims evaluation, preliminary review of RFI's, shop witness testing, blue tag/yellow tag and system startup and scheduling.  

Construction for this $8 million project included a sewage pump station and 3 miles of sewer force main to connect an isolated subdivision to the Nassau County Sewer System.  Services by de Bruin included scheduling, resident engineering, inspection, administration of contract payments, administration of submittals and RFI's, review and negotiation of change orders, monitoring and reporting on progress, running project meetings, shop witness testing, oversight of start-up, testing and training, and contract close-out. 
 

First phase of a four phase road restoration project aimed to improve pavement conditions throughout the Town. Construction for this $8 million project included removing and replacing minor sub-base failures, mill roadway surface, raise manhole valve box assemblies as required, resurface roadway at a 1-1/2” thickness, and replace pavement striping as required. Services by de Bruin included development and furnish model specifications to be used during subsequent phases, construction inspection, bid services, and construction administration. 
 

de Bruin provided design and construction management/inspection services for the renovation of an one acre waterfront park.  Work included demolition of existing hardscape and construction of meadows, natural paths, benches, decorative railings on the bulkhead, a comfort station, utilities, and a sprayground.  The construction cost was $650,000.  Our responsibilities included design, resident engineering, inspection, administration of contractor payments, administration of submittals and RFI's, review and negotiation of change orders, monitoring and reporting on progress, running project meetings, and contract close-out.