M1 Pacific Motorway extension to Raymond Terrace - Heatherbrae Bypass - Drainage Install - Culverts, Pits and Headwalls
Tender ID: 541505
Tender Details
Tender Description
The installation of drainage including: excavation for drainage structures; placement and compaction of bedding; laying reinforced concrete pipes; backfill of haunch, side and overlay zones and provision of minimum 0.300mm cover; jointing of drainage structures; installation of subsoil pipes; installation of reinforced concrete precast pits and installation of precast headwalls.