标准号:IS 2470 Pt.1-1985
发布日期:1986/1/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:This code ( Part 1 ) lays down recommendations for the design, layout, construction and maintenance of septic tanks. It is applicable to houses, flats, residential housing colonies, hostels and boarding schools where the number of users does not exceed 300 persons.