Tiruchirappalli District Thiruverumbur Block Construction of two classroom Building at Gundur PUES in Gundur Panchayat

Construction of Two Class Room Building at Gundur PUES in Gundur Panchayat. Earthwork excavation for foundation (for narrow excavation) to full Depth as per designed in all soils and sub soils except soft disintigraded rock not requiring blasting and hard rock requiring blasting and Balling water wherever neceesary. Refilling the sides of foundation with excavated with 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 levelling the site etc complete and complying with standard specification.

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

Plain Cement Concrete 1:4:8 (one part of cement four parts of sand and eight parts of hard broken stone) using 40mm 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 is not exceeding 200mm thick with avilable earth at site.

Collection and supply of gritty gravel from appd quarry including cost and conveyance of all materials to site including all labour charges for filling etc complete.

Supplying and erecting Centering and Shuttering for soffits including necessary supports and strutting up to 3m height for 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 3mm for boarding laid over silver oak Joists of size 10cm X 6.50 cm spaced at about 90 cm centre to centre and supported by casunna props of 10cm to 13cm dia spaced at not more than 75 cm centre to centre etc complete complying with the standard specification (Payment for centering shall be given after the concrete is laid Footing Plinth Beam etc.

Plain surfaces such as roof slab, beams lintels loft still slab staircase waist portico slab 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, M-20 Grade in accordance with IS 456-2000, using 20mm and down grade hard broken grganite stone jelly for all RCC items of works with minimum cement content of 350 kg/m3 and maximum water cement ration of 0.50 including admixture (Plasticiser / super Plasticiser) in recommended proportions as per IS 9130 to accelerate, rated setting of concrete, improve workability without impairing strength and durability with about (5.0 cum) 7730kg of 20mm machine crushed stone jelly and with about (3.3 cum) 5156 kg of 10-12 mm machine crused stone jelly and with about (4.79 cum) 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

Ground Floor