Landfill Block O Cells 3 & 4 Construction

Block O, Cells 3 and 4 Construction: Excavate cell floor and side slope areas to permit subgrade elevations and grades.  Construct structural fill berm along east and west side slopes of cells.  Install the dewatering (underdrain) system, including the gravity drain and sump riser, collection sumps and trenches, double-sided geocomposite and one (1) foot thick soil protective layer over the underdrain geocomposite using on-site soils.  Prepare and maintain the top of subgrade for geosynthetic installation.  Excavate the geosynthetics anchor trenches.  Supply and install GCL, smooth and textured HDPE geomembrane liner, and single and double-sided geocomposite for the leachate collection system (LCS).  Supply and install leachate collection system, including the collection trenches and laterals, and connection to the existing Cells 1 and 2 leachate collection system.  Install rainflaps, and remove rainflap between Cells 2 and 3.  Install two (2) foot thick soil protective cover using on-site soils.  Additional work shall include perimeter road and drainage, access ramp, cell tipping pad, and associated site grading and stormwater controls.  Provide other services as described and requested.

## Details **Bid/Project ID:** 26-10-134 **Type of Work:** Landfill Cell Construction **Pre-Bid Location:** City of Nacogdoches Landfill Office, 4602 NW Stallings Drive, Nacogdoches, Texas, 75964 **Bid Location:** City Hall Conference Room 203, 202 E. Pilar Street, Nacogdoches, Texas 75961 **Engineer/Publisher:** City of Nacogdoches **Engineer Address:** 202 E. Pilar Street, Nacogdoches, Texas, 75961