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