Construction of Ten Class Room Building under NABARD RIDF XXXI in Government Girls High School at RACHANDAR THIRUMALAI in Karur District.

Earth work excavation for foundation by Mechanical means for Isolated & Combined Footing etc in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the departmental officers with an initial lead of 100 mts and clearing and levelling including dressing of sides and raming of bottoms etc., complete complying with standard specification and as directed by the departmental officers.- Upto 2.40m Footing Depth. Data worked out for 48 m3 per day/8 hrs.

Providing Anti-Termite Treatment to soil adjacent and under building foundation, plinth periphery of the building by application of chemicals of IS 6313 part I to IV in stages to suit the progress of work consist as per the detailed specification as below (Measurements taken for the plinth area for the purpose of payment) including braking of termite mounds, making holes with crow bar, closing the holes after the treatment and including cost of chemicals, labour charges transport and storing etc., complete (The chemical should be got approved by the Executive Engineer before use on works) Stage-1: Spraying anti-termite chemical solution for the foundation before laying concrete in bottom and sides of foundation. Stage-2: Spraying anti-termite chemical solution to the grade beam level, spraying has to done for the grade beam, brick masonry contact with the back fill earth. Stage-3: Spraying anti-termite chemical solution on the sand for the flooring before laying the flooring concrete. This treatment has to be carried out on the sand filling by making holes with crow bar to a depth of 60cms intervals on both. Stage-4: Spraying anti-termite chemical solution alround building outside by making holes through bar before laying plinth protection and the holes to be closed after the treatment.

Refilling with excavated earth other than sand with an initial head load of 100 mts. and depositing the earth as shown by the departmental officers in layers of not more than 15cm thick well rammed with surface vibrator, watered and consolidated etc., complete complying with standard specification and as directed by the departmental officers.

Supply and filling in foundation and basement with Gravel in layers of not more than 15cm.thick well rammed watered and compacted with surface vibrator, watered and consolidated etc. complete complying with standard specification and as directed by the departmental officers.

Supplying and filling in foundation, basement, etc with filling M- sand in layers of not more than 15 cm thick well watered, rammed and consolidated etc. complete complying with standard specification and as directed by the departmental officers.

Cement Concrete 1:5:10 (One Cement, Five M- sand and Ten hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and including curing etc. complete complying with standard specification and as directed by the departmental officers -Mixing by mechanical means

Cement Concrete 1:5:10 (One cement, Five M-sand and Ten hard broken stone jelly) using 40 mm gauge hard broken jelly for flooring including laying, consolidating, finishing, rendering the top surface rough to receive the floor, curing, etc. complete complying with standard specification and as directed by the departmental officers. (The rate is inclusive of necessary planking for panelling wherever necessary and as directed by the departmental officers - Mixing by mechanical means

Damp proof course as per IS 3067:1988 with Cement Mortar 1:4 (One Cement and Four M- sand) 12mm thick mixed with best approved quality Integral liquid water proofing compound conforming to Indian Standard specification as specified by the de-partmental officers at 2% by weight of cement used , finishing and curing etc. complete complying with standard specification - Manual Mixing

Supplying and erecting steel centering including necessary supports for plane surfaces for Reinforced Cement Concrete works such as column footings, column pedestals, plinth beams, grade beams, staircase steps, Sill slabs etc. which require only nominal strutting using mild steel sheets of size 90cm x 60cm and 10 BG stiffened with welded mild steel angles of size 25mm x 25mm x 3 mm for boarding, laid with silver oak joists of size 10cm x 5cm & 7.5cm x 5cm as support runner , vertical stiffener , side support and Top Horizontal stiffener spaced at about 60cm to 90cm centre to centre or at suitable intervals etc. complete in all floors complying with standard specifcation. (Payment for centering shall be given after the concrete is laid).

Supplying and erecting centering for plane surfaces such as RCC Floor/Roof Beam, Lintels, Cantilever Beams, Bed Blocks etc.. with necessary supports and strutting upto 3.60m height in all floors with all cross bracings using MS Sheets made of 10 gauge thick welded with MS angle of Size 25mm x 25mm x 3mm for boarding laid over Steel adjustable Span of Size 2m x 2m(expandable upto 3.60m) and Silver Oak Joists of Size 10 x 5 cm spaced at 50cm to 60cm c/c and supported by Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick) Spaced at not more than 50 to 60cm c/c , etc complete complying with standard specifications. Steel adjustable span and Steel Adjustable telescopic props shall be provided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid).