The employer shall ensure at a construction site of a building or other construction work that-
(a) horizontal and diagonal tracings are provided in both longitudinal and transverse directions as may be necessary to provide structural stability to formwork used in concreting work and shores used in such concreting work are properly seated top and bottom and are secured in their places;
(b) where shores used in concreting work rest upon the ground, base plates are provided for keeping such shores firm and in level ;
(c) where the floor to ceiling height of a concreting work exceeds nine metres or where the formwork deck used in such concreting work is supported by shores constructed in two or more tiers, or where the dead, live and impact loads on the formwork used in such concreting work exceed seven hundred kilogram per square metre, the structure of such formwork is designed by a professional engineer in the relevant field and the specifications and drawings of such formwork are kept at such construction site and produced on demand before the Inspector having jurisdiction ;
(d) where the structure of the formwork used in concreting work is designed by a professional engineer, such engineer shall be responsible for the supervision of construction and stability of such structure.