periodical services to otm under age b/r-ii of ge (n) mamun; 1 bricks (i) compressive strength is-3495 (part-ii) as per (is-5454) as given under :- lot size sample permissible no bricks of defective bricks 1001 to 5 0 10,000 10001 to 10 0 35000 35001 to 15 1 50000 “a” 330.00 checks for visual and dimensional characteristics shall also be carried out as per is-5454. legend “a”:- site lab of “b”:- zonal lab of cepz pkt “c” :- national test house/ semt wing pune/ /engineering college. (ii) water absorption -do- -do- -do- -do- “a” 330.00 (iii) efflorescence -do- (part-ii) -do- -do- -do- “a” 330.00 2. coarse aggregate (i) sieve analysis is-2386 (part-i) one test for every 15 cum of aggregates or part there of brought to site “a” 660.00 (ii) flakiness index -do -do “a” 250.00 (iii) examination of deleterious material is-2386 (part-i) one test for every 100 cum of aggregates or part thereof. “a” 600.00 (iv) organic impurities -do- one test per source of supply “b” 275.00 (v) moisture content -do- (part-ii) regularly as required “a” 330.00 -do- (part-i) (vi) specific gravity one test for each source of supply “b” 330.00 3. fine aggregate (i) sieve analysis is-2386 (part-i) one test for every 15 cum of fine aggregate or part there of when brought to site. “a” 660.00 (ii) test of clay silt and impurities -do- -d0- “a” 500.00 (iii) specific gravity -do- (part-ii) one for each source of supply “b” 330.00 (iv) moisture content -do- regularly as required subject to 2 tests/day when being used. “a” 330.00 (v) test for organic impuirities -do- one test for each source of supply “b” 275.00 4. cement (i) setting time is-4031- 63 reaffirme d 1980 once for each consignment of as and when required. “b” 500.00 (ii) soundness -do- -d0 “b” 550.00 (iii) compressive strength -do- -do- “b” 550.00 (iv) fineness -do- -do- “b” 275.00 5. structural concrete (m15 grade and above) (i) slump test or compacting factor test or vee-bee time is-1199 the minimum frequency of sampling of concrete of each grade shall be under :- qty of concrete inno of samples the work (cubic metre “a” 300.00 random sampling shall be carried out to cover all mixing units. (ii) compressive strength is-516 1-5 1 6-15 2 16.30 3 31.50 4 51 and above 4+1 for each addl 50 cum metre or part thereof. “a” 900.00 as per refer is-456-2000 clause 14 for frequency of sampling. 6. (a) pcc block for walling (hollow block) (i) compressive strength is-2156- 1984 (appx –b) 8 blocks out of 14 “a” 900.00 samples :- 14 blocks from consignment of every 5000 block or part thereof. (ii) water absorption -do- (appx `e’) 3 blocks out of 14 “b” 330.00 (iii) density -do- (appx `a’) 3 blocks out of 14 “b” 300.00 (b) pcc solid blocks for walling. (i) compressive strength is-2185 12 blocks out of 18 “a” 900.00 samples :- 18 blocks from consignment of every 1000 blocks or part thereof. these blocks to be checked for dimensions and weight. (ii) water absorption -do- 3 blocks out of 18 “b” 330.00 (iii) density -do- 3 blocks out of 18 “b” 330.00 7. cement flooring tiles terrazzo tiles (i) water absorption is-1237 appx “d” 6 tiles out of 18 “b” 330.00 samples of 18 tiles from each source of supply selected at random. (ii) wet transverse strength -do- (appx “e”) 6 tiles out of 18 “b” 660.00 (iii) resistance of wear -do- (appx ‘f’) 6 tiles out of 18 “b” 1000.00 8. burnt clay roofing tiles (handmade) as per is2690 (part-ii) (i) water absorption (appx “f”) is-3495 (part-ii) 6 tiles out of 12 “b” 216.00 samples :- 12 tiles from each source of supply selected at random. length 150mm to 250mm width 100mm to 200mm thickness 35mm to 50mm (ii) compressive strength -do- (part-i) -do- “a” 180.00 ,,,, more in document