37 Engineering services for construction, maintenance, repair and installation purposes including grouting and sealing of faults, cavities, gaps, fractures and fissures in structures including buildings, walls, basements, cellars, [ roofs, rooftop structures, ] lift walls, tunnels, dam walls, reservoirs, silos, waste disposal sites, pits, retaining walls, ponds, storm water systems, drainage systems, bulkheads, tanks and compressed gas reservoirs, geological formations and mines, including for sealing/grouting underground storage dams, ventilation shafts and chambers, pilot holes, raised bores, ore passes, tunnels, abandoned workings, water plugs, salt mines and salt domes; curtain grouting; pre-grouting in new mining developments; grouting and sealing for developing declines and shaft sinking operations; waterproofing and gasproofing of buildings, walls, basements, cellars, roofs, rooftop structures, lift walls, tunnels, dam walls, reservoirs, silos, waste disposal sites, pits, retaining walls, ponds, storm water systems, drainage systems, bulkheads, tanks and compressed gas reservoirs, geological formations and mines; repair and maintenance of water control equipment; pressure grouting services; advisory service relating to grouting and sealing; ground and soil stabilization in the nature of soil erosion control services; grout reinforcement
Trademark: 79202968
