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1 1 - : SCHEDULE FOR TESTING OF MATERIALS :- For ensuring quality control and workmanship Various tests prescribed below for materials shall be taken at periodical intervals as stipulated below. The materials shall be got tested at Government recognized Laboratory (R&B) or field Laboratory of GERI (R&B) for which 1% of the estimated amount put to tender shall be recovered from the contractor from the RA bills and final bills and the testing charges shall be paid to the GERI by the Government . However if the charges increase over 1% no excess recovery shall be made from the contractor as per resolution of B & C department dated 10th May 1985 vide TNC/ 1085/ (4)/ S It. No. as per schedule "B" Brief description of materials to be tested Qty of material Prescription of test which shall be carried out Frequency at which test shall be carried out Total No of test to be taken. 1] Coarse Aggregate - Gradation test 1 to 100 cm 1 test - Impact value 100 to 500 cm 3 test - Flakiness and elongation 500 to 1500 cm 5 test 1500 to 5000 cm 7 test Minimum 1 test/ work 2] Grit - Stripping value As above 3] Granular materials - Gradation - Atterbeg limits As above 4] Murrum - P I Value One test per 50 cum. 5] Sand/ quarry spall - Silt content - Gradation - CBR test One test per work/ season One test per 200 cmt. One test per work 6] Asphalt 1 Penetration test as per IS 1203 1 to 10 tanker 11 to 20 tanker 21 to 50 " 51 to 100 " Remaining every 50" 1 test 2 test 3 test 4 test 1 test 2 Ductility test as per IS 1208 3 Specific gravity test as per IS 1202 4 Softening point test as per IS 1204 5 Viscosity test as per IS 1206 7] Cement - Consistency - Setting time - Compressive strength - Fineness - Chemical analysis Up to 50 MT 100 MT 200 MT 300 MT 500 MT 800 MT 1 test 2 test 3 test 4 test 5 test 6 test 2 2 - Soundness 1300 MT 7 test and 8 test for larger consignment 8] CC Cubes - Compressive Strength (I.S. 519 – 1959) 1 to 5 cms 1 No 6 to 15 cms 2 No 16 to 20 cms 3 No 21 to 50 cms 4 No 51 and above 4 + 1 (For each additional 50 m3 or part thereof) 9] Water - Chemical test Once for approval of source of supply 10] Steel - Tensile Strength - Yield Stress - Elongation - Size 1 test/ 40 tonnes/ per category 11] Bricks - Water absorption - Efflorence - Size - Compressive Strength 1 test per 50,000 bricks 12] Prime coat/ Tack coat - Quality of binder Number of samples per lot and test as per IS:73 - Binder temperature for application At regular close intervals - Rate of spread of binder Two test per 500 m2 and not less than two test per day 13] Carpet and Seal coat mix/ B.M/ M.S.S. - Quality of binder Number of samples per lot and test as per IS:73 - Grading 1 test on individual contents and mix aggregate from the dryer for each 100 tonns of mix subject to minimum of two test per plant per day - Temperature of binder At regular close intervals - Binder content vide 45 IMD 2172 One test for each 100 tonnes of mix subject to mini. of Two per day - Rate of spread of Regular control through checks 3 3 mix materials on layer thickness 14] Granular Sub- base ````` - Gradation As mentioned under serial number 3 - Atterberg limits As mentioned under serial number 3 - Moisture content prior to compaction As mentioned under serial number 3 - Density of compacted layer One test per 500 m2 - Deleterious constituents As required - C.B.R. As required 15] Wet Mix Macadam - Aggregate Impact Value As mentioned under serial number 1 - Grading As mentioned under serial number 1 - Flakiness and Elongation Index As mentioned under serial number 1 - Atterberg limits of portion of aggregate passing 425 micron sieve As mentioned under

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