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F. EXAMPLE PROJECTS WHICH BEST ILLUSTRATE PROPOSED TEAM'S QUALIFICATIONS FOR THIS PROJECT CATEGORY
<br /> 19.TITLE AND LOCATION (City and State) 20.YEAR COMPLETED
<br /> Remedial Investigation/Feasibility Study and Remedial PROFESSIONAL SERVICES CONSTRUCTION (If applicable)
<br /> Action Work Plan, Remedial Action Completion Report,and 2014 Well Decommissioning, Quarry Pit Landfill, Marine Corps
<br /> Base Hawaii,Kaneohe,Oahu,Hawaii
<br /> 21. PROJECT OWNER'S INFORMATION
<br /> a.PROJECT OWNER b.POINT OF CONTACT NAME c.POINT OF CONTACT TELEPHONE NUMBER
<br /> NAVFAC Hawaii Ms.Kelly Morishige,P.E. (808) 471-4616
<br /> 22.BRIEF DESCRIPTION OF PROJECT AND RELEVANCE TO THIS CONTRACT(Include scope,size,and cost)
<br /> Project Scope: Element Environmental, LLC (E2) completed a +� #
<br /> Remedial Investigation/Feasibility Study (RI/FS) and y l
<br /> a
<br /> prepared site closure documents for the Quarry Pit Landfill
<br /> 6
<br /> and the adjacent 3rd Marine Motor Pool Wetland on Marine u` K;Nc '
<br /> Corps Base (MCB) Hawaii. The Quarry Pit Landfill site,with an % L"
<br /> approximate area of 18 acres, was active from the 1940s to 1:,,-,
<br /> 1976 as both a quarry and landfill for solid wastes. The a k.
<br /> Quarry Pit Landfill was the main on-base landfill from 1972 to "" a,t" a pKfBALL 3RD MURINES
<br /> 1976 and accepted most solid wastes, excluding refuse from ^:," i AIRSO M IOR POOL
<br /> A
<br /> residential areas. Previous reports indicated that wastes, ARE +vrr:AND "1
<br /> including petroleum, oil, lubricants, solvents, paints, thinners,
<br /> batteries, mercury, transformer oils, pentachlorophenol, and
<br /> glass beads from paint stripping operations, were historically , 2 "`
<br /> disposed of at this landfill, as well as general refuse, including
<br /> cans, paper, plastic, wood, and unidentified organic debris. A 0 aka_ s S+ jilliim—
<br /> focused Site Inspection (SI) was completed in 2007 which
<br /> confirmed the presence of buried debris, which could Project Highlights:
<br /> potentially impact the landfill soil, soil gas, and groundwater in The connection between groundwater
<br /> the vicinity of the project site and possibly the surface beneath the landfill and surface water in the
<br /> sediment and surface water in the adjacent wetland. The adjacent wetland was evaluated by
<br /> objectives of the RI/FS were to determine the nature and conducting hydrological monitoring that
<br /> extent of the buried debris in the landfill, determine the extent consisted of a one-week duration synoptic
<br /> and thickness of the soil cap, determine the nature and extent water level survey. Transducers were
<br /> of contamination in the landfill soil, soil gas, and groundwater, placed in groundwater monitoring wells, the
<br /> to determine if the adjacent wetland surface sediment and adjacent wetland, and wetlands located
<br /> surface water have been impacted by contamination from the south of the site to determine the overall
<br /> landfill, and assess human health and ecological risks posed by direction of shallow groundwater flow and
<br /> the contamination in order to develop appropriate response an estimation of the overall hydraulic
<br /> alternatives. These project objectives were met as follows. conductivity of the shallow aquifer beneath
<br /> • Data collected from previous environmental reports,
<br /> the Quarry Pit Landfill.
<br /> aerial photographs, historic topographic maps, The State of Hawaii Department of Health
<br /> geophysical and topographic surveys, 20 trench and Marine Corps Base Hawaii
<br /> excavations, and 210 soil borings confirmed the areal Environmental had been a part of the
<br /> extent of the landfill debris to be just over 12 acres with approval process from the start of the
<br /> a volume of approximately 90,400 cubic yards. A 3- project.
<br /> dimensional model of the landfill debris and soil cap was
<br /> created to determine the volume of debris and the Cost: $911,835.
<br /> thickness of the soil cap across the site.
<br /> • The nature and extent of contamination in various media
<br /> were assessed using data from MULTI INCREMENT® (MI) soil samples collected from 20 trenches and 210
<br /> soil borings from five decision units (DUs) established within the landfill; 2) soil gas and groundwater
<br /> samples collected within and surrounding the delineated landfill; and 3) surface sediment MI samples and
<br /> surface water samples collected from two DUs within the adjacent wetland.
<br /> "' COUNTY OF HAWAII-FY24- PAGE 26
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