STANDARD SPECIFICATION
Pressed steel sectional water tanks (rectangular) constructed with hydraulically
pressed flanged panels conform to B.S. 1564 and hot dip galvanized to ISO 1461:2009
Materials
Mild steel used in the plates, stays, cleats, and pads all conform to the requirements
of BSEN10025:2004
Tank Panels
Tank panels of 4ft x 4ft or 1m x 1m square are hot dip galvanized to ISO 1461:1999
Tank Covers
Standard tank covers are hydraulically pressed 3.0mm / 1.5mm thk x 4ft x 4ft or 1m x
1m square and are hot dip galvanized.
Stays and Cleats
The sides and ends of all tanks shall be supported by stays at the junction of two or
more plates. The stays and cleats shall be made from mild steel and hot dip galvanized.
Joining Compounds
Non-toxic, odorless PVC Foam Sealant and butyl sealant or equivalent shall be supplied.
Manhole and Vent
Each tank or compartment shall be supplied with one no. of 600mm square manhole
and one 100mm diameter vent with insect proof attached on to tank cover.
Ladders
Hot dip galvanized ladder for tank internal and external are provided (aluminium
ladder on request)
Level Indicator
Mild steel or galvanized indirect reading level indicator is provided on request.
B.S. 1564: 1975 (Revised)
For cold liquid with density of 1.0 and having temperature not
exceeding 38°C.
Tanks 4ft Height: Bottom, sides and ends. 5mm
Tanks 8ft Height: Bottom, sides and ends. 5mm
Tanks 12ft Height: Bottom, sides and ends. 5mm
Tanks 16ft Height: Bottom and first tiers of sides and ends. 6mm
Second, third and top tiers of sides & ends 5mm