supply of pcc hollow block 400 x 200 x 200mm of grade bas per para 5.1(b) of is 2185 (part 1) 2005. hollow block should have compressive strength as per is requirement as per is 2185 (part 1) 2005.(delivery at thanggu, north sikkim). max 5 km radius. pcc solid block 400x 200 x 200mm (+/- 10mm) minimum strength 50kg/sqcm. pcc shall confirm to is-2185(part i) 2005. solid block made out of 1:3:6 having the compressive strength as per is requirement(delivery at thanggu, north sikkim). max 5 km radius pcc solid block 400x 200 x 200mm (+/- 10mm) minimum strength 50kg/sqcm. pcc shall confirm to is-2185(part i) 2005. solid block made out of 1:3:6 having the compressive strength as per is requirement(delivery at dorji la, north sikkim). max 5 km radius
