Name of Work: Proposed laying of Terrace Cool roof tiles for CHS New Block Building at Market Lane in Dn-11 Unit-03 Zone-01.
Sl. No.
Item Description
1
Terrace waterproofing a. Surface Preparation - Cle... SBR Latex or equivalent at 1 Liter/bag of cement
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Providing and laying of first quality of Johnson ...white cement and matching pigments etc., complete.
3
Providing and laying in position ,Standardised Concrete Mix M-20 Grade in accordance with IS :456- 2000,using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 325 kg/m3 and m,aximum water cement ration of 0.55, including admixture (Plasticiser/Superplasticier) in recommended proportions as per IS:9103 to accelerate ,retard setting of concrete,improve workability without impairing strength and durability with about (5.0 cum) 7730 kg of 20 mm machine crushed stone jelly and with about (3.3 cum) 5156 kg of 10-12mm machine crushed stone jelly and with about (4.79 cum) 7670 kg of sand, nut excluding cost of reinforcement grill and fabricating charges,centering and shuttering and also including laying,vibrating with mechanical vibrators,finishing,curing,etc and providing complying with standard specification and as directed by the departmental officers. The coarse and fine aggregates to be used should comply with the requirements of IS Standrands.(No separate payment will be made by the Department for the excess usageof materials)
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