EMPLOYMENTEMPLOYEE PORTALBID DOCUMENTS SERVICESPROJECTSABOUTCONTACT Surveying Construction surveying is used to establish where man-made objects such as highways and bridges as well as buildings and pipes should be located Projects MD 180 Roundabout-Jefferson Pike At Mount Zion Rd Excavation & Grading US Rte. 29 BRT CMAR Project Management 8000 Beechcraft Ave Gaithersburg, MD 20879 (301) 948-4450 info@concretegeneral.com ©1972 - 2021 Concrete General, Inc. SERVICESPROJECTSABOUTCONTACT EMPLOYMENTEMPLOYEE PORTALBID DOCUMENTS

EMPLOYMENTEMPLOYEE PORTALBID DOCUMENTS SERVICESPROJECTSABOUTCONTACT Replacement of Bridge on I-695 Inner Loop over Benson Avenue BridgesRailroad WorkSediment & Erosion Control ServicesStorm DrainStorm Water Management Project Scope Bridge replacement (urban interstate above multiple urban roadways and CSXT) which included a new 124’ single span bridge, new 627’ four-span Bridge and a new 174’ double-span bridge. The project scope included the base widening for maintenance of traffic purposes of an approximately 41.5’ wide section for an approximate length of 3,000’ along I-695 with full depth pavement. Tasks included grading, constructing reinforced stabilized slope, paving, striping, relocating and replacing roadway signs and placing F-shaped concrete barriers. Construction included a 1,189- feet long MSE type retaining wall and a 353-feet long precast noise wall along Ramp 8, as well as converting the existing four-lane section of US 1 to a two-lane section with a median bio swale. The resurfacing of I-US 1 and I-95 ramp included asphalt wedge and level to correct the super elevation and F-shape concrete traffic barriers to reduce the slope impacts along the southbound side of US 1. The work also included reconstruction of sidewalks, complete removal of the existing bridges and partial removal the existing noise wall. CGI’s responsibilities also included the storm drain, storm water management facilities, landscaping, and lighting. Project Information PROJECT CONTRACT VALUE $35.8M Bid-Build project PROJECT OWNER MDOT SHA Contract No. BA3665170 Related Projects 8000 Beechcraft Ave Gaithersburg, MD 20879 (301) 948-4450 info@concretegeneral.com ©1972 - 2021 Concrete General, Inc. SERVICESPROJECTSABOUTCONTACT EMPLOYMENTEMPLOYEE PORTALBID DOCUMENTS

EMPLOYMENTEMPLOYEE PORTALBID DOCUMENTS SERVICESPROJECTSABOUTCONTACT Sediment & Erosion Control Services A sediment control is a practice or device designed to keep eroded soil on a construction site, so that it does not wash off and cause water pollution to a nearby stream, river, lake, or sea. Projects MD 180 Bridge-Jefferson Pike 4 Lane Urban Reconstruction Bridges MD 180 Roundabout-Jefferson Pike At Mount Zion Rd Excavation & Grading 8000 Beechcraft Ave Gaithersburg, MD 20879 (301) 948-4450 info@concretegeneral.com ©1972 - 2021 Concrete General, Inc. SERVICESPROJECTSABOUTCONTACT EMPLOYMENTEMPLOYEE PORTALBID DOCUMENTS