James River Interceptor Replacement

James River Interceptor Replacement

Thalle Construction completed Phase 2, Phase 6 and Phase 5 of the 7-mile James River Interceptor replacement project. The project involves rerouting the city's existing sewage collection system, and installing a new 54-inch sanitary sewer main. As the work progresses, the new lines require working in cramped areas between the railroad and the James River, as well as heavy construction in Lynchburg's historic downtown riverfront district.

Phase 2 scope items included:
Furnishing and installing approximately 3,595 feet of 72-inch diameter gravity sewer interceptor replacing portions of the existing interceptor; 115 feet of 8-inch to 30-inch collector sewers; 1,593 feet of 15-inch to 30-inch storm sewer, approximately 90,000 square feet of sheet piling to remain in place and be cut off 3 feet below grade; along with mobilization, clearing, grubbing, trench excavation, pipe bedding, manholes, junction boxes, backfill, bypass pumping, connection to existing sewer lines, testing, seeding, paving, restoration, demobilization and all other facilities and accessories required to complete the work and place the sewer line in proper operation.

Phase 6 included:
Furnishing and installing approximately 7,817 feet of 30-inch diameter and 6,281 feet of 24-inch diameter gravity sewer interceptor replacing portions of the existing 30-inch to 18-inch interceptor; 52 feet of tunnel for 30-inch sewer pipe; 40 feet of 12-inch collector sewer; approximately 500 feet of 12-inch to 30-inch storm sewer and culvert pipes; rehabilitation of approximately 264 feet of 12-inch and 60 feet of 8-inch sewer; approximately 60,000 square feet of sheet piling to remain in place and be cut off 3 feet below grade; along with mobilization, clearing, grubbing, trench excavation, pipe bedding, manholes, junction boxes, backfill, bypass pumping, connection to existing sewer lines, testing, seeding, restoration, gravel access road, demobilization, and all other facilities and accessories required to complete the work and place the sewer line in proper operation.

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