Strength:

Min. characteristics cube strength fcu=35 N/mm2

Cement:
OPC complying with the requirements in BS 12, ASTM C150, type 1 or BS EN 197-1

Water:
Clean water with total dissolved solid contents not exceeding 700ppm.

Coarse Aggregates:
Crushed aggregates complying with BS 882

Fine Aggregates:
All fine aggregates are sand complying with BS 882.

Admixtures:
Water reducing admixtures complying with ASTM C 94

Reinforcement:
All reinforcement steel complying with BS 4449

Details

Staircases Technical Details