Construction of CSC in Perambattu Higher secondary School at Perambattu Panchayat

Construction of CSC in Perambattu Higher secondary School at Perambattu Panchayat

EARTHWORK EXCAVATION for foundation in hard soils and sub soils and to full depth as may be directed except in rock requiring blasting but inclusive of shoring, strutting and baling out water wherever necessary and refilling the sides of foundation with excavated earth in layers of not more than 15cm thick, well rammed and consolidated and depositing the surplus earth within the compound in places shown by the departmental officers with initial lead and lift etc.,including levelling the sites complete complying with standard specifications and as directed.

Supplying and filling in foundation, basement, etc with filling 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 1:4:8 mix using 40mm gauge hand broken hard granite stone jelly for FOUNDATION including dewatering if found necessary and laid in layers of not more than 15cm thick, well rammed etc., complete complying with standard specification.

Supplying and filling of conveyed earth with a lead of 5 km for basement filling.

Supplying and erecting CENTERING for sides and soffits including supports and strutting upto 3.29 m high for plane surfaces such as RCC SLABS, RECTANGULAR BEAMS, TEE or ELL BEAMS, LINTELS, BED BLOSKS. STAIRCASE WAIST and landing slabs, landing beams, canopy etc., in all floors with all cross bracings using mild steel sheets of size 90cm * 60cm and BG 10 stiffened with welded mild steel angles of size 25mm * 25mm * 3mm for boarding laid over countrywood joists of size 10cm * 6.50cm spaced at about 90cm centre to centre and supported by Casuarian props of 10cm to 13cm dia spaced at 75cm centre to centre etc., complete and as directed.

Centering Below Ground Level

Centering above Ground Level

Supplying, fabricating and placing in position mild steel/Ribbed tor steel rods for all RCC works including cost of steel and binding wire also in all floors, complete complying with standard specfication.

Reinforced CEMENT CONCRETE 1:1.5:3 mix using 20mm machine crushed 20mm gauge hard broken granite stone jelly for all reinforced cement concrete works connected to this work excluding centering, shuttering and cost of reinforcement grills placed in position, but including laying, vibrating, curing and finishing, fixing fan clamps in the RCC floor and roof slab works wherever necessary and bearing surfaces of the wall at the sides and bottom of the slab, beams shall be finished smooth with cement mortar 1:3 (One cement and three sand ) and Kraft paper laid without claiming extra cost etc., complete complying with standard specification and as directed by the departmental officers.