Cement slurry Clause Samples

Cement slurry. The cement used for cement slurry will be PORTLAND type. No less than 800 kg of cement will be used per cubic meter of water. Cement mortar: The cement used for cement mortar will be PORTLAND type. No less than 50 kg of cement will be used for 100 l of water. A minimum of 600 kg of cement shall be used per cubic meter of sand. Concrete: Concrete will be a mixture of Portland cement and aggregates (with only small amount of fine material) of not less than 250 kilograms per cubic metre of finished concrete. Aggregates used will be sound, durable and well graded in sizes ranging from sands to boulders of four centimetres. Concrete mixtures will contain no more than 30 litres of water per 50 kilograms of cement. Concrete will be measured by the cubic metre, and will be mixed in approved mixers or in mixing boxes and not directly on the ground. Water for cement and concrete: The water used shall be potable water or be of a suitable quality to allow mixing of good quality cement and concrete, avoiding any introduction of substances with health hazard into the subsurface. GRAVEL PACKING, BENTONITE AND PARTIAL BACKFILLING OF BOREHOLES All gravel pack material should be made of well-rounded and well-sorted grains of inert material. The gravel needs to be clean and washed. It should be uniformly placed in the annular space between the screen and the borehole wall. The volume of introduced material has to be monitored and cross-validated with the calculated annular space.
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Related to Cement slurry

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