The employer shall ensure at a construction site of a building or other construction work that,—
(a) where there is any doubt as to the stability of any structure adjoining the work place or other areas to be excavated or where tunnelling work is to be carried out, the Project Engineer referred to in rule 90 arranges for measures like underpinning, sheet piling, shoring, bracing or other similar means to support such structure to avoid any damage to property or equipment adjacent to such structure;
(b) where any building worker engaged in excavation is exposed to hazard of falling or sliding material or article from any bank or side of such excavation, which is more than one and a half metre above his footing, such building worker is protected by providing adequate support against such bank or side;
(c) the excavation and its vicinity are checked by a responsible person referred to in rule 91 after every rain, storm or other occurrences carrying hazards and in case, a hazard is noticed at such checking, adequate protection against slides and caving to prevent such hazard is provided;
(d) temporary sheet piling, installed for the construction of a retaining wall after excavation is not removed, except on the advice of the responsible person referred to in rule 91 after an inspection is carried out by such responsible person;
(e) where banks or an excavation are undercut, adequate shoring is provided to support the material or article over-hanging such bank;
Section 40 (2) (f) Section 40 (2) (q) 56
(f) excavated material is not stored at least two metres from the edge of an open excavation or trench and the banks of such excavation or trench are stripped of loose rocks, earth and other materials, which may slide, roll or fall upon a building worker, working below such bank;
(g) adequate and suitable warning signs are put-up at conspicuous places at the excavation site or trenches; and
(h) the responsible person referred to in rule 91, ensures at the excavation work that no building worker is permitted to work where such building worker may be struck or endangered by the excavation machinery or material or article used in such excavation.