IS 8419 : Part 2 : 1984 Requirements for rapid sand gravity filtration equipment: Part 2 Under drainage system

1 Scope

1.1 This standard (Part 2) lays down the requirements of pipegrid types and false bottom floor types underdrainage system offiltration equipment for water treatment plants.

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 210 : 1978Specification for grey iron castings

IS 456 : 1978Code of practice for plain and reinforced concrete

IS 1536 : 1976Specification for centrifugally cast (spun iron pressurepipes for water, gas and sewage)

IS 1592 : 1980Specification for asbestos cement pressure pipes

IS 4984 : 1978Specification for high density polyethylene pipes forpotable water supplies, sewage and industrial effluents

IS 4985 : 1981Specification for unplasticized PVC pipes for potablewater supplies

IS 5382 : 1969Specification for rubber sealing rings for gas mains,water mains and sewers