WEST MIDDLESEX MAIN DRAINAGE. (INCLUDES PHOTOGRAPHS, PLATES AND APPENDICES). Available to Purchase

MAINS, DRAINAGE, DESIGN, CONSTRUCTION, SEWAGE, WORKS, DISPOSAL, SEWERAGE, FLOW, WATER SUPPLY, SEWERS, LININGS, TUNNELS, SHIELD DRIVEN, SHIELDS, MANHOLES, VENTILATION, SIPHONS, SPILLWAYS, INVERTED, STEEL, SHEETPILING, INFILTRATION, TRUNK, GAUGING, EFFLUENT, CONDUITS, OUTFALLS, PURIFICATION, SCREENING, GRIT, CHANNELS, PRIMARY, SEDIMENTATION, TANKS, SECONDARY, AERATION, SEPARATING, STORMWATER, SLUDGE, POWER, WASTE, HEAT, USE, COMPRESSORS, POWER HOUSES, PUMPING STATIONS, PUMPS, PLANT, DIGESTION