Krishnagiri District Uthangarai Block Under FBDP and PAR - 2025- 2026 Construction of Two Class room Building at Vedapatti PUPS at Chandrapatti Panchayat Package No 01

1.Construction of Two class room Building at Vedapatti PUP School H/o Chandrapatti Estimate Amount : 36.200Lakhs

Earthwork excavation for foundation (for narrow excavation) to full depth as per designed in all soils and sub soils except soft disintegrated rock not requiring blasting and hard rock requiring blasting and bailing water wherever necessary.Refilling the sides of foundation with excavated earth other than sand in layers of well rammed and compacted and depositing the surplus earth in places shown by the departmental officers with an initial lead of 10m and initial lift of 2m and clearing and leveling the site etc.complete complying with standard specification.

Supplying and filling in foundations and basement with filling M- sand in layers not exceeding 15 cm.thick,well watered,rammed and consolidated etc. complete complying with standard specifications.

Plain Cement Concrete 1 : 4 :8 ( one part of cement, five parts of sand and ten parts of hard broken stone ) using 40 mm gauge hand broken hard broken granite stone jelly complying with standard specifications in foundations and basement.

Refilling the approved good quality earth in plinths,area development etc.wherever specified in layers of not exceeding 200 mm thick.,with available earth at site.

Supplying and filling of good earth filling locally available earth transported from the out side including consolidation,levelling specified in layers of not exceeding 200 mm thick., etc. complete.

Supplying and erecting centering and shuttering for soffits including necessary supports and strutting upto 3 M height for plane surfaces as detailed below in all floors with all cross bracings using Mild Steel sheets of size 90 x 60 cm and 10 BG stiffened with welded Mild Steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at abote 90 cm centre to centre and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75 cm centre to centre etc. complete complying with the standard specificaiton.(Payment for centering shall be given after the concrete is laid).

Plain surfaces such as roof slab, floor slab, beams , lintels , loft, sill slab, staircase waist,portico slab and other similar works.

Square and rectangular columns and small quantities such as sunshades,parapet cum drops,window boxing,fin projections and other similar works.

Providing and laying in position, 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 400 kg/mᶾ and maximum water cement ratio of 0.45, 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 (5.0 cu.m.) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 cu.m.) 5156 kg. of 10-12mm