Key Features
Motorway Operations Centre (MOC3) is a location where the facilities are installed that maintain certain aspects of the tunnel, i.e. huge substation, water treatment plant, exhaust shafts to the tunnel.
- 250 lin.m of retaining wall excavation and backfill (walls done by others)
- Electrical and communication conduit and light column installation (no cabling or electrical works, just housings like conduits and pits) inclusive of large 3 metre wide pits housing 18 ducts 150mm dia. conduit
- Installation of 100L and 1000L sanitary waste pump stations
- 250 lin.m of HDPE sanitary waste drainage up to 100mm dia. connected from buildings to pump stations
- 60 lin.m of HDPE fire supply pipeline 180mm dia. including dual head fire hydrant
- Foundation pads for building structure (dirt not concrete)
- Stormwater Installation including large custom pit consisting of 5 grates used as a catchment area in case of spills and leaks
- GPT installation
- Carpark Pavement Construction inclusive of general fill, SMZ, base, kerbing, seal and asphalt
- 900 sq.m of rigid concrete pavements
- 2,000 sq.m of flexible pavements
- 775 sq.m of custom stabilised sand & deeplift AC pavement complete with deterrent bollards
- 470 lin.m of kerb including SB profile kerb (RMS), K&G, flush kerbs
- Water quality basin used for water treatment of rainwater/seepage water collected in tunnels, basin included a Geosynthetic Clay Liner
- Pumpstation housing (no mechanical or iron ducts) for basin pumpout
