Building Construction Cost
Cost of Construction Stage Wise Estimation of Cost of Construction APPROXIMATE COST OF CONSTRUCTION - ITEM WISE AND ACTIVITY WISE
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Stacking and Storage of Cement
Cement should be stored in a building or a shed which is dry, leakproof and as moisture proof as possible. The building or shed for storage should have minimum number of windows and close fitting doors and these should be kept closed as far as possible. Cement should be stored and stacked in bags and should be kept free from the possibility of any dampness or moisture coming in contact with them. Cement bags should be stacked off the floor on wooden planks in such a way as to keep about 150 mm to 200 mm clear above the floor. The floor may comprise of lean cement concrete or two layers of dry bricks laid on well consolidated earth. A space of 600 mm minimum should be left around between the exterior walls and the stacks. The height of stack should not be more than 10 bags. he width of the stack shall be not more than four bags length or 3 metres. In stacks more than 8 bags high, the cement bags shall be arranged alternately length-wise and cross-wise so as ...
Slump Test For Workability of Concrete
Apparatus: Mould shall consist of a metal frustum of cone having the following internal dimensions: Bottom diameter-20 cm Top diameter -10 cm Height -30 cm The mould shall be of a metal other than brass and aluminium of at least 1.6 mm (or 16 BG) thickness. The top and bottom shall be open and at right angles to the axis of the cone. The mould shall have a smooth internal surface. It shall be provided with suitable foot pieces and handles to facilitatelifting it from the moulded concrete test specimen in a vertical direction as required by the test. A mould provided with a suitable guide attachment may be used. Tamping rod shall be of steel or other suitable material 16 mm in diameter 60 mm long and rounded at one end. Procedure: The internal surface of the mould shall be thoroughly cleaned and free form superfluous moisture and any set concrete before commencing the tes...
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