Reaffirmed 2022

1. SCOPE

1.1 This standard lays down the requirements for carrying out safely the excavation work, such as trenches, test pits, cellars, borrow pits, cuttings forrail, canal and road formations and all excavations on which the sides of excavations are not trimmed simultaneously to a stable slope.

1.2 The requirements laid down in this standard do not apply to the following:

a) Any part of a trench where the depth is less than 1.5 m;

b) A trench into which no person is required to enter for any purpose: and

c) Any part of a trench made for a pipeline or conduit if the trench is mechanically excavated, the sections of the pipeline or conduit are permanently assembled before being mechanically placed in the trench and the trench is mechanically back-filled.

2. REFERENCES

2.1 The following Indian Standards are necessary adjuncts to this standard:

2314 : 1986 Steel sheet piling section ( first revision )

3696 (Part 2) : 1991 Scaffolds and ladders - Code of safety : Part 2 Ladders ( first revision )

4081: 1986 Safety code for blasting and related drilling operation