Backed by a team of well-trained professionals, we are able to render world-class Tunnels Waterproofing services. We undertake the contracts that deal with waterproofing of surfaces of tunnels. To ensure quality, optimum resistance against water, moisture & leakage of tunnels' surfaces, we use highly effective chemicals, cement and other basic raw materials. Our Tunnels Waterproofing services are cost-effective and executed in a timely manner to gain optimum customer satisfaction.
Requirement : 0.40 kg/each Point Leak and 1.20kg/metre of Construction joint for tunnels, basements, water reservoirs and other water retaining structures
PERMAKAR 4 :
Requirement : 0.095 kg/each Point leak and 0.32 kg/metre of Construction joint for tunnels, basements, water reservoirs and other water retaining structures
Cleaning the surface; preparing the surface by acid etching; treating the surface with a two layer plaster; the first layer shall be 7 mm thick in case of inside walls and floors of water reservoirs and swimming pools, 6 mm thick for sunken slabs/toilet floors and inside of tunnels, basements, etc. with octadecanoic acid based cementitious waterproofing compound (bulk density not greater than 0.5 gm/cc, moisture content not greater than 2.0% and a free fatty acid not greater than 0.2%), e.g., PERMAKAR 3, and cement in the weight ratio of 3:50 for waterproofing compound and cement; cement-sand (1:2 on floors of basements and tunnels; 1:3 elsewhere) plaster (12 mm thick on floor; 8 mm thick on vertical surfaces and at ceiling) and curing the plastered surface; the treatment shall be impermeable under a waterhead of 20.0 metres.
Requirement : 0.72 kg/sqm for inside of tunnels, basements and toilets and 0.84 kg/sqm for water reservoirs and other water retaining structures where treatment will be in direct contact with water
OTHER MATERIALS/SQM :
For mixing with PERMAKAR 3
cement : 12 kg for inside of tunnels, basements and toilets
14 kg for water reservoirs and other water retaining structures
For cover plaster
cement : 9.14 kg for floors of basements and tunnels
6.53 kg for floors of water reservoirs, toilets, etc.,
6.39 kg for ceilings and vertical faces of basements and tunnels,
4.63 kg for ceilings and vertical faces of water reservoirs and toilets
sand : 0.01 to 0.013 cum