IS 1726 : 1991 CAST IRON MANHOLE COVERS AND FRAMES - SPECIFICATION
UDC 628·253.1 [669·13] | CED 3 |
Reaffirmed 2022
1. Scope
1.1 The standard lays down basic and performance requirements for manhole covers and frames in cast-iron, intended for use in drainage and water works.
2. REFERENCES
2.1 The following Indian Standards are necessary adjuncts to this standard:
210 : 1978 Specification for grey iron castings (third revision)
4905: 1968 Methods for random sampling