KNMT 2023-24 Construction of Drain at 11th ward, 14th ward, 4th ward, 2nd ward 5th ward 13th ward 8th ward and 9th ward in Karuppur Town Panchayat

Amount

Earth Work Excavation for foundation in all types of soils and sub soils to full depth (such as Soils in Rock / Silt / Light Black Cotton Soil / Ordinary Soil ) except in rock requiring blasting but inclusive of shoring, shuttering and bailing out water wherever necessary and refilling the sides of foundation with excavated earth other than sand in layers of 150 mm thick well rammed and consolidated, depositing the surplus earth in places shown by the Departmental Officers with initial lead of 10 m and initial lift of 2 m. Complete as per TNDSS 23 & 24, V, VI (S2), VII, 9,10

Plain Cement Concrete of mix 1 : 4 : 8 (One part Cement, four part sand & eight part of aggregates) using 40mm gauge hard broken metal from approved quarry including all cost, conveyance of materials to site with proper mixing, compacting, finishing and curing etc., complete as per standard specification. TNDSS NO: 28 V, VI (S2) V,VI (S5A) VII

Supplying and errecting centering for Sides and Soffits including necessary supports and strutting upto3.29mt height for plane surfaces as detailed below in all floors with all cross bracings using mild steel sheets of size 90mm x60mm and 10BG stiffened with welded mild steel angles of size 25mm x 25mm x 3mm for boarding, laid over silver oak joists of size 10cm x 6.5cm spaced at about 90cm centre to centre and supported by casurina props of 10cm to 13cm dia supported at not more than 75cm centre to centre etc complete Complying with standard Specification without Strutting.TNDSS NO or NBC No 30(S) 86 86 A V, VI(S3)VII

Plain Cement Concrete 1:2:4 Mix (one part cement, two part M-sand and four part of aggrigate) using 20mm size ISS HBG metal machine crushed from approved quarry including cost and conveyance of all materials to site and labour charges for mixing, laying and curing etc., complete as per standard specifications. TNDSS NO: 28 & VI (S2) VI (S5A) VII

Finishing the top of flooring with Granolithic flooring with cement concrete 1:2:4 (one cement, two M-sand and four aggregate) using 6 to 12mm stone chips – 25mm tk etc., Complete.

Supplying fabricating and placing in position of steel rods using TMT Tor Steel including cost of binding wire, cost of labour charges for fabrication and placing in position etc. Complete. Complying with std. specifications.

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/mᶾ and maximum water cement ratio of 0.55, including admixture (plasticiser / super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5 cu.m.) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 cu.m.) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m.) 7670 kg. of sand, but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including laying, vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the RCC floor/ roof slabs wherever necessary without claiming extra, etc., complete 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 Standards. (No separate payment will be made by the Department for the excess usage of materials).

KGR&CO