2025

Richardson Sherman & Lingco - City of Richardson
                   
Contract Amount: $5,640,373.00
Completion Date: June 2026

Description of Work:
Connect to existing storm drain line
Grout backfill pipe support – 5,000 LF
Strip topsoil – 313 CY
Remove concrete pavement, driveway, and alley,concrete sidewalk, asphalt pavement
6” and 8” Water line
14” ductile iron water line
12” PVC encasement
1” water service (open cut)
Fire hydrant assembly (includes gate valve) with splash pad
Cut, plug, and abandon sanitary sewer line
10” and 15” PVC sanitary sewer line
4’ Diameter standard sanitary sewer manhole
CIPP Support
12” HDPE
18” RCP (Class III) 21” RCP (Class III) 27” RCP (Class III)
Street excavation
6” Lime Stabilization
Fine grade for driveway, alley, sidewalk, 6” thick stamped concrete, and 4” thick stamped concrete.
Backfill pavement curb and drain rock/backfill retaining wall
8” Concrete Pavement and 6” 3600 PSI Reinforced concrete driveway and alley.
2” Type D HMAC and 4” Type D HMAC
” Reinforced concrete sidewalk
Monolithic sidewalk curb 6” and 12”
Barrier free ramp
Type 6 retaining wall