The employer shall ensure at a construction site of a building or other construction work that-
(a) a bulkhead or air tight diaphragms retaining compressed air, when used within a tunnel or a shaft, is constructed to withstand the maximum pressure at one point two five times the maximum working pressure of such bulkhead or diaphragm and such bulkhead or diaphragm is tested before its each use by a responsible person referred to in rule 124 to ensure that such bulkhead or diaphragm is in proper working order;
(b) such responsible person keeps the record of each test referred to in clause (a) and such record is produced for inspection to the Inspector having jurisdiction on demand;
(c) the bulkhead or diaphragm referred to in clause (a) are made of sound material of adequate strength and are able to withstand the maximum pressure on which they are subjected to at any time of their use ;
(d) a bulkhead anchorage and air lock is tested at its workplace at an excavation or tunneling work immediately after their installation at such place.