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Specification Part 3 - Road & Bridge Works - Urban Administration ...

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3<br />

Open graded premix<br />

surfacing/closing graded<br />

premix surfacing<br />

4. Bituminous macadam<br />

temperature of binder at<br />

application<br />

rate of spread of materials<br />

percentage of fractured<br />

faces<br />

quality of binder<br />

aggregate impact value/los<br />

angeles abrasion value<br />

flakiness index and<br />

elongation index<br />

-dostripping<br />

value<br />

water absorption of<br />

aggregates<br />

water sensitivity of mix<br />

grading of aggregates<br />

soundness (magnesium and<br />

sodium Sulphate<br />

polished stone value<br />

temperature of binder at<br />

application<br />

binder content<br />

rate of spread of mixed<br />

material<br />

percentage of fractured<br />

faces<br />

quality of binder<br />

aggregate impact value/los<br />

angeles abrasion value<br />

flakiness index and<br />

elongation index<br />

stripping value<br />

water sensitivity of mix<br />

One test per 500m3 and<br />

not less than two test<br />

per day.<br />

regular control through<br />

checks of layer<br />

thickness<br />

same as mentioned<br />

under serial no.2<br />

same as mentioned<br />

under serial no.1<br />

same as mentioned<br />

under serial no.2<br />

same as mentioned<br />

under serial no.2<br />

same as mentioned<br />

under serial no.2<br />

-do-<br />

Two tests per day per<br />

plant both on the<br />

individuals constituent<br />

and mixed aggregates<br />

from the dryers.<br />

grading of aggregates<br />

water absorption of<br />

aggregates<br />

soundness (magnesium and<br />

sodium Sulphate<br />

percentage of fractured<br />

faces<br />

at regular close intervals<br />

One test per 500 m 2 of<br />

work and not less than<br />

two tests per day.<br />

when gravel is used one<br />

test per 50m 3 of<br />

aggregates<br />

same as mentioned<br />

under serial no.1<br />

same as mentioned<br />

under serial no.2<br />

same as mentioned<br />

under serial no.2<br />

same as mentioned<br />

under serial no.2<br />

same as mentioned<br />

under serial no.2<br />

same as mentioned<br />

under serial no.2<br />

same as mentioned<br />

under serial no.2<br />

as required<br />

as required<br />

same as in serial no.2<br />

same as mentioned<br />

under serial no.2<br />

same as mentioned<br />

under serial no.2

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