tender for external periodical services for certain locations including outside pocket under ge (af) adm area at af station gwalior; 1. brick 1) compressive strength is-3495 (part-ii) as per is-5454 as given under: a 330/- checks for visual and dimensional characteristics shall also be carried out as per is:5454 legend: legend: a - site lab b - mes lab/zonal lab/command test lab(ctl) c-nabl accredited lab 2) water absorption 3) efflorescence --do-- ---do… (part-i) lot size. sampl e size permissible nos of defective bricks a a 330/- 1001 to 10000 330/- 10001 to 35000 35001 to 50000 5 10 15 0 0 1 2. coarse aggregate 1) sieve analysis is:2386 (part-i one test for every 15 cum of aggregates or part there of brought to site. a 660/- 2) flakiness index ---do-- ---do-- a 250/- 3) estimation of deleterious materials ---do-- one test for every 100 cum of aggregate or part thereof. a 600/- 4) organic impurities ---do-- one test per source of supply c 275/- 5) moisture content is:2386 (part-ii) regularly as reqd. a 330/- 6) specific gravity --do-- one test for each source of supply. b 330/- 3. fine aggregate 1) sieve analysis (is:2386pt-i) one test for every 15 cum of fa or part thereof when brought to site. a 660/- 2) test for clay, silt and impurities. --do-- --do-- a 500/- 3) specific gravity --do..but (part-ii) one for each source of supply b 330/- 4) test for organic impurities --do-- one test for each source of supply. c 275/- 5) moisture content -do- regularly as required subject to 2 tests/ per day when being used. a 330/- 4. cement 1) setting time is-4031-63 reaffirmed 1980 once for each consignment or as and when reqd. b 500/- 2) soundness --do-- --do-- c 550/- 3) compressive strength --do-- --do-- b 550/- 4) fineness --do-- --do-- c 275/- 5. structural concrete 1) slump test or compacting factor time or vee-bee test is-1199 the min frequency of sampling of concrete of each grade shall be as under :- a 300/- (1) random sample shall be carried out to cover all mix units. 2) compressive strength is-516 qty of conc.in the work (m3) no of samples a 900/- per sample (2) refer is-456-2000 clause. 15.2 for 1 – 5 frequency of sampling. 6-15 16-30 31-50 51 & above 1 2 3 4 4+1 for each additional 50 cum or part thereof 6. (a) pcc block for walling (hollow block) 1) compressive strength. is:2156-1984 (appx ‘b’) 8 blocks out of 14 a 900/- samples :- 14 blocks from consignment of every 5000 blocks or part thereof. 2) water absorption. -do- (appx ‘b’) 3 blocks out of 14 b 330/- 3) density. -do- (appx ‘a’) 5 blocks out of 14 b 330/- (b) pcc solid block for walling. 1) compressive strength is-2185 12 blocks out of 18 a 900/- samples :- 18 blocks from consignment of every 1000 or part thereof. these blocks shall be checked for dimensions and weight 7. cement flooring tiles/terrazzo tiles 1) water absorption is:1237- 1980(appx ‘d’) 6 tiles out of 18 b 330/- samples : 18 tiles from each source of supply selected at random. 2) wet transverse strength -do-(appx “e”) -do- b 660/- 3) resistance to wear -do- (appx ‘f’) -do- c 1000/- 8. water for constn purpose 1) test for acidity 2) test for alkalinity 3) test for solid content is:456 & 3025 -do- -doonce at the stage of approval of source of water b b c 500/- 500/- 500/- refer relevant clause of is456:2000 9. bitumen for road pavement work (i) penetration value is:73 1 test per batch of bitumen supplied in bulk or drum b, c 250/- 300/- (ii) softening points -do- -do- b, c 250/-300/- (iii) elongation -do- -do- b, c 250/-300/- (iv) wax content is:1209 -do- b, c 250/-300/- (v) flash point/ fire point is:1208 -do- b, c 250/-300/- (vi) ductility is:1208 -do- b, c 250/-300/-