Stainless steel water tank

Stainless steel water tank 1.Material The sectional panel tank shall consist of 4’×4’ or 1m×1m panel manufactured from 0.8mm thick stainless steel grade 304/316 plate with a 5mm thick welding bonded backing mild steel plate (British Standard BS: 1564:1975) The internal surface shall be stainless steel combined with external surface or mild steel plate. 2.Flanges The sectional panels shall be pressed to double flanges at the angles of 45 degree and 90 degree to the face of the plate on four sides. 3.Reinforcement Method The stainless steel lined sectional tank shall be constructed using external reinforcement system. In assembly the tank, the flanges of the panels are strengthened by galvanised reinforced channel and roof stay bolt. The roof panels are supported by top panel support, which shall be stainless steel angle andchannel. The tank is designed to test and supported on reinforced concrete floor. 4.Manufacture The composite panel consist of stainless steel plate and mild steel plate, which shall be produced in one piece by moulding process that can provide an inpermeable and corrosion resistant characteristic. 5.Bolt. nut & washers Stainless steel 304/316 material shall be used where in contact with water. Hot-Dipped galvanised mild steel material shall be externally of the tank. 6.Sealing material Non-toxic P.V.C foam tape shall be used in between the joints. 7.Covers The water tank cover shall be constructed by 1.2mm thick stainless grade 304/316 c/w manhole (per compartment) and air ventilator. 8.Ladders and Level Indicator Internal & External ladder shall be made of stainless steel grade 304/316 and HDG material respectively. Lecel indicator shall be aluminium c/w P.V.C ball float.