We’re proud of the work we do for our clients. We take pride in delivering quality product in a timely manner. Our communication with the owner is constant and clear. Please view the examples of our projects located in the DC, Maryland, and Virginia area.
Miscellaneous Water and Sewer Asset Repairs
This task order job involves the installation, rehabilitation, replacement and/or repair of clean outs, curb boxes, curb stops, fire hydrants, water house service connections, meter housing, valves, manholes, water mainlines, and sewer lines. The work requires excavation, backfilling, temporary restoration, maintenance of traffic, demolition, earthwork, pavement restoration, and water system leak detection. Old Line is required to locate, adjust, install, clean or replace existing parts and/or accessories. Some of the locations require shutdowns and abandoning water services. The water mains include sizes of 14 inches or less in diameter with depths grater than 3.5 feet. The sewer lines require to conduct dye testing services, snake services, installing drop connections and/or sewer mains, reconnect and reinstate laterals and/or lateral connections.
Fort Washington Pump Station
Old Line Construction installed 920 LF of 8″ HDPE force main using fusion pipe, replaced three manholes, 400 LF of gravity sewer, and retrofitting the wastewater pumping station including mechanics, electric, pumps, plumbing, controls, panels, flow meter, structural lining, and meter vault for WSSC. The project had constant pumping and pump station maintenance to upkeep 24 hours a day 7 days a week.
Quantico Waterline 2020
Marine Corps Base Quantico
Quantico Waterline 2020 (this one is another quantico waterline job, not the same as the one already there)
Installation 6000 LF 8, 10, 12″ Water including replacement of valves, fire hydrants, abandonment of 1000 LF of 12″ transit pipe, jack n bore, mill and overlay, fire liason, utility crossings, erosion and sediment control, traffic control, badging, and OSHA safety for NAVFAC.
Various Drainage Improvements in District 5
District 5 of Maryland
This MDSHA project included but was not limited to: excavation, demo, stream restoration, directional drilling, clearing and grubbing, sewer and water services, outfall protection and repair, earthwork, site restoration, erosion and sediment control, pavement restoration, CCTV, heavy maintenance of traffic, and installation of piping, valves, headwalls, and manholes. The jobs were scattered off of heavy highways and road traffic and in streams.
Watkins Mill Stream Restoration
City of Gaithersburg MD
Old Line completed 2400 LF of stream restoration across three stream segments of Whetstone Run, Watkins Mill Run, and an unnamed tributary. The project realigned Whetstone Run and reinforced both streams to minimize future erosion. The project created nearly 1.5 acres of new wetland areas while decreasing the potential for bank erosion.
Route 28 (Centreville Rd) Widening
Old Line completed 8000 LF of storm replacement and manhole installation for the Route 28 Road widening project for Shirley Contracting. This work was completed in the middle of heavy 6 lane traffic and required extensive maintenance of traffic as well as pedestrian safety.
Piney Run Stream Restoration
Quantico MCBQ Waterline Replacement
Marine Corps Base Quantico
OLC replaced over 2 miles of 12″ Ductile Iron Water Main on Application Trail at Quantico Marine Base. The project involved jack and bore across a live creek. Application Trail is an active training area for the soldiers at Quantico. This job required OLC to have very efficient work in highly sensitive areas due to the native and endangered species as well as being a UXO Site. The work included but was not limited to: excavation, demo, directional drilling, clearing and grubbing, water services, earthwork, site restoration, erosion and sediment control, and pedestrian/vehicle MOT Control.