Manhattan East Side Access

Waste Management and Environmental Consulting

The $7.2 billion East Side Access project was designed to connect the Long Island Rail Road’s (LIRR) Main and Port Washington lines in Queens to a new LIRR terminal beneath Grand Central Terminal in Manhattan. The new connection will increase the LIRR’s capacity into Manhattan by 45% while dramatically shortening the average travel time for Long Island and eastern Queens commuters by 27 minutes.


Impact Environmental’s Waste Management Team was chosen to be the Environmental Coordinator of record for the Queen’s Launch Tunnel Project. This is one of New York City’s largest projects undertaken in the last decade. Impact Environmental secured the contract because the project perfectly blended the firm’s two principal areas of business:  consulting and contracting. Specifically, this involves our consulting expertise in groundwater dewatering issues combined with the contracting of off-site soil management. The $30 million project called for the removal of 1 million tons of soil.


We first researched and reviewed all historical land use information that dated back to the late 1800’s. This covered miles of land along the project site. We performed a visual inspection to determine any potential sources of contamination, then compared our visual findings to the historical records.

We then compiled hundreds of laboratory samples and reports and managed the data through EDEN, our Environmental Data Evaluation Network process. EDEN analyzed the data, classified the waste, and distilled the project down to simple procedures for managing the entire waste site. After determining the levels of constituents using criteria based on regulatory limits, EDEN identified the options for its removal and reuse. At the end of the day, EDEN took thousands of pages of confusion and came up with two pages of efficient procedures that could then be followed by the construction engineers.

We are transported the soil and rock off site and the material is currently being beneficially reused as engineering control media at approved Brownfield and mine reclamation sites.


Impact Environmental successfully completed waste-support related services for the CQ31 portion of the four Queens tunnel structures in 2013 – within the allotted 18-month period. We safely removed over 10,000 linear feet of tunnel soil and rock. Impact is currently providing environmental and engineering services for the CH053, CH054, CQ032 contracts for the project. With more contracts starting in the future where we will provide more waste management and environmental turn-key services. Every phase of the project will be fully documented to ensure liability reduction and accountability. And all of our work is covered by a $25 million insurance policy.

“Impact Environmental’s turn-key management expertise in deep tunnel excavation hydrogeology and regulatory disciplines was pivotal in completing this project.”

Ro DiNardo, General Superintendent – Granite Construction Northeast

Columbia University

Engineering Consulting, Waste Management Facilities

Columbia University is building a new state of the art campus in the Manhattanville, neighborhood of Harlem, New York.  The construction manager, Lend Lease Construction, Inc., plans to utilize top-down construction techniques to complete the project in a timely manner that is sensitive to the surrounding community. The excavation for the building footprint encompasses several city blocks that have historic industrial and commercial land-uses.


Impact was retained to assist in the selecting of waste management options for the 90’ excavation needed for the new university campus. Particular recycling goals were set for the project which made it a unique challenge.   This project was tasked with statistically sampling dozens of real properties that encompass the project for purposes of recycling/beneficial reuse material for capping Brownfield sites and mine reclamation.  The large scale project had to strictly adhere to the $8 million budget.   Impact Environmental needed to assist in the characterization of all soil and fill materials.  Then help determine the proper option for recycling of soils and historical fill material.  This included stabilizing wet matter excavated from below the Manhattan water table.  Interdisciplinary stabilization and disposal had to be identified for options including concrete slurry and bentonite waste.


Oracle Trucking, working under EE Cruz, retained Impact Environmental from 2011-2014 to follow a logistical plan formulated to complete the excavating and construction successfully.  This included off-site recycling of rock and soil for reuse as engineering controls and the formation of Brownfield sites and mine reclamation.  Sensitive issues such as considering the community’s special needs for working on site and for offsite transportation were addressed for the satisfaction of all parties.


After much work excavating and testing, the construction of the buildings on the Columbia Harlem campus has now been initiated.  Subsequent phases of the project are expected to follow as planned and with the continued support of Impact Environmental.

“Impact provided options on the fly and never let the project stop moving in the forward direction.”

Marina Rodrigues, Oracle Trucking Inc.

Bill Wolf Petroleum

Environmental Consulting and Remediation

Bill Wolf Petroleum (BWP) owns a large portfolio of retail gas stations and real estate holdings in Metro area New York City and Long Island. As part of a rezoning action, the New York City Office of Environmental Remediation (OER) assigned an “E” designation to a key redevelopment property in Queens, obligating BWP to conduct certain environmental monitoring and reporting actions during construction. The site was additionally burdened by New York City Department of Environmental Conservation (NYSDEC) requirements to address soil and groundwater contamination from historic subsurface petroleum spills at the property.


BWP retained Impact Environmental to help navigate the complexities of conducting environmental planning, oversight, remediation, and reporting, while coordinating requirements between the two jurisdictions of OER and NYSDEC.


Impact Environmental led preliminary meetings between the two regulatory agencies and moved quickly to prepare a Remedial Action Plan (RAP) and procure necessary approvals to start the project.  The next step was conducting a comprehensive in-situ soil sampling effort to both satisfy OER environmental sampling requirements and to characterize soils for planned off-site disposal. Based on the redevelopment plans, the most cost effective path to site closure was identified and pursued. Remedial activities included off-site disposal of 2,000 tons of contaminated soil excavated during construction, as well as 90,000 gallons of petroleum-impacted groundwater pumped from the excavation. The Impact Environmental team quickly executed plans for the closure of historic and active petroleum underground storage tanks (USTs); conducted required air monitoring for VOCs and airborne particulate; installed and tested groundwater monitoring wells; and provided installation support and engineer inspections of new sub-slab vapor barrier membranes and an active sub-slab depressurization system (SSDS). Site work concluded with a Final Engineer Report, signed off and stamped by one of Impact Environmental’s Licensed Professional Engineers.


The site is now open for business. By executing the remedial plan and affecting a decrease in site contaminant levels, Impact Environmental facilitated receipt of Notice of Satisfaction (NOS) by OER within one year of project commencement, and continues to manage minor remaining off-site risk with NYSDEC. To help off-set remediation costs on the project, Impact Environmental helped procure an environmental grant with OER on behalf of BWP, and partnered with BWP’s legal team to provide litigation support for cost recovery from other parties responsible.

Validating our expert execution on an environmentally complex site, BWP subsequently conveyed their entire portfolio of sites to Impact Environmental, including over 75 properties with historic NYSDEC Spills in various phases.

“The fact that three other companies referred Impact Environmental to us, spoke volumes.  After we awarded them the contract, their team composed a proposal specific to our needs. From there they handled every aspect and completed the project to beyond our expectations. Since then Impact Environmental has been our first and only call for any trusted environmental consulting.”

Cary Wolf, President – Bill Wolf Petroleum

World Trade Center

Waste Management, with Soil Transport & Disposal

Impact Environmental received the special distinction of being selected as a qualified contractor to work on the World Trade Center. Impact Environmental has been a key participant in multiple projects that have included emergency response services in the first days of 9/11, and long-term reconstruction initiatives over a decade. Our work at the Trade Center has created a spirit of camaraderie and triggered a deep awareness that we were helping to restore the sense of peace to an area with such historic and emotional significance.


The Greenwich Street Corridor reconstruction project, which was performed from 2009 to 2011, required developing and implementing site-specific methods to manage the off-site disposal of approximately 200,000 tons of excavated soil. It required successfully executing services over the complex restraints imposed not only by the project’s physical locale (a heavily trafficked and sophisticated urban center), but also by its layers of difficult security initiatives. Through all this, Impact Environmental was required to continuously support and encourage a collaborative spirit among its employees, partners, clients and the public.


The company was called upon to test and dispose of soil from beneath former Subway lines 1 & 9. Crucial engineering considerations required precise coordination and collaboration under close professional and regulatory oversight.

Excavation activities for this project were restricted by a variety of structural issues and removal of materials was severely hampered by the logistics of working on a project of such tremendous scale. Materials were removed by crane and loaded onto waiting transport vehicles that delivered the material to a variety of recycling facilities in the tri-state area. This necessitated complex transportation planning and tracking; all of which was coordinated with qualified Disadvantaged Business Enterprises (DBE).


Rock and soil transported off-site was directed to reuse as engineering controls at a variety of Brownfield and mine reclamations sites. Over 200,000 cubic yards of material were removed.

Having been part of disaster response activities since 2001, Impact Environmental is proud to part of the select team of contracting and design professionals involved in the rebuilding at this iconic location. Such a historic site redevelopment project will always be a source of pride for our management and technical teams.

“Just as I expected, Impact Environmental handled this project in the professional and delicate manor this monumentally complex project demanded not only from my company, but the watchful eyes of the world.”

Jeff Brown, Tutor Perini

Hunts Point

Alternative Fuel Station

The New York City Economic Development Corporation (NYCEDC) is partnering with the New York City Department of Transportation (NYCDOT) to develop the Hunts Point Alternative Fueling Station in the Bronx. The project will encourage use of alternative fuels by trucks and other vehicles traveling within the City, in order to reduce the negative impacts of diesel emissions on public health and reduce dependency on fossil fuels. This $11 million facility will be the first ever retail alternative fueling station open to the public in New York City. The development is a piece of the City’s larger comprehensive Hunts Point Vision Plan, an interagency City and community initiative to redevelop and revitalize the South Bronx and Hunts Point.

The proposed location of the station development is 128,000-square-foot city-owned parcel within the Hunts Point Food Distribution Center. The parcel sits on a Brownfield site, with a history of manufactured gas plant (MGP) and other industrial operations. Residual MGP waste and other petroleum and combustion bi-product wastes exist within soils and groundwater in the footprint of planned redevelopment, making the site subject to involvement by the New York State Department of Environmental Conservation (NYSDEC).


NYCEDC selected Atlantis Management Group (Atlantis) to serve as prime contractor for this landmark construction project, with responsibility for redeveloping and managing the property under a long-term lease.

Atlantis required a consultant that understood cost exposure to excavation and remediation of MGP impacted soils and groundwater during redevelopment, that was an expert in engineering and institutional control requirements, and who could navigate the complexity of multi-agency involvement and expectations on a high-visibility project.


As the exclusive consultant for Atlantis since 2005, Impact Environmental was again retained in order to leverage specialized experience with contaminated property redevelopment. Working closely on the project with Atlantis and NYCEDC for over 4 years, Impact Environmental was able to delineate financial risks to existing environmental conditions and establish redevelopment plans to curb liability.


Impact Environmental was able to lead Atlantis to planned project commencement, with a total construction budget estimate of $11 million.  From meticulous plan review and cost projection, to advising on the logistics of the expected engineering and scope of work, Impact Environmental worked to limit the potential liabilities of taking on a long-term lease and redevelopment on a highly contaminated property.

Impact Environmental’s on-going role will be to continue to serve as a liaison to the various agencies, to assist with permitting, and to provide engineering support for long-term engineering and institutional controls.

“After winning the contract for a landmark project – constructing the first retail alternative fueling station in New York City on a Brownfield property – we realized that we would need an expert to help us manage environmental risk and navigate the complex regulatory requirements. Impact Environmental has a proven track record on our other projects – for us the choice was easy.”

Jose Montero, President – Atlantis Management Group