special repairs to main gate, name board for girls entry and levelling the ground infront of girls block and five class room building in government muslim higher secondary school at thayar sahib street, chennai-2.; 1 dismantling the damaged brick work in cement mortar under 3m height and clearing away carefully disposal of unserviceable materials to lead of 50m etc complete complying with standard specification and as directed by the departmental officers at site of work. 2 earth work excavation for foundation 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 thedepartmental officers with an initial lead of 10 mts and initial lift of 2 mts. and clearing and levelling the site, etc., complete complying with standard specification. 3 supplying and filling in foundation, basement, etc with filling quarry stone dust 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. 4 cement concrete 1:5:10 ( one cement, five sand and ten hard broken stone jelly ) using 40 mm gauge hard broken granite stone jelly for foundationincluding dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and curing etc. complete complying with standard specification 5 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, 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 over silver oakjoists of size 10cm x 6.5cm spaced at about 75cm 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 ) 6 cement concrete 1:1-1 / 2:3 ( one cement, one and a half sand and three hard broken stone jelly ) using 20 mm gauge hard broken granite stone jelly for all rcc items of works excluding cost of reinforcement grill and fabricating charges centering and shuttering but including laying, vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the rcc floor / roof slabs wherever necessary and bearing surfaces of walls, beams etc. shall be finished smooth with cement mortar 1:3 ( one cement and three sand ) and kraft paper laid over it without claiming extra, etc., complete complying with standard specification and as directed by the departmental officers 7 for foundation and basement 8 for first floor 9 supplying, fabricating and placing in position mild steel / ribbed tor steel grills for all rcc works as per design given including cost of steel and g.i. binding wire in all floors etc. complete complying with standard specification. ( contractor has to make his own arrangements for the supply of steel and binding wire ) 10 plain cement concrete 1:2:4 ( one cement, two sand and four hard broken stone jelly ) using 20mm jelly for wearing coat including laying, compacting, finishing and curing, etc., complete as per standard specificatins and as directed by the departmental officers. 11 brick work in cement mortar 1:5 using best quality of second class ground moulded chamber burnt bricks of size 9 x 4-3 / 8 x 2-3 / 4 for foundation and basement including curing, etc., complete complying with standard specifiction. 12 for ground floor 13 plastering with cement mortar 1:5 ( one cement and five sand ) , 12mm thick in all floors including curing etc. complete complying with standard specification and as directed by the departmental officers. 14 plastering with cement mortar 1:5 ( one cement and five sand ) , 20mm thick in all floors including curing etc. complete complying with standard specification and as directed by the departmental officers. 15 special ceiling plastering and finishing the exposed surface of all rcc items of work such as slabs, beams, sunshades, facia, canopy slab, staircase waist slab, landing slab etc., with cement mortar 1:3 ( one cement and three sand ) 10mm thick including hacking the surfaces, providing cement mortar nosing, beading for sunshades, staircases, steps, landing slabs and curing, etc., in all floors complying with standard specification and as directed by the departmental officers 16 renewing the damaged paver block with new one of paving and layingthe rubber moulded hydraulic presses paver block inter locked blocks with new one of 63mm thick inter locked blocks of approved quality and make over a sand cushion and laying the paver blocks in true and straight alignment with gradient and pointing neatly using quarry dust of fly ash and pointing neatly hire charges for vibrator machine including diesel consumption charges etc., completecomplying with standard specifications and as directed by the departmentalofficers. 17 cleaning andlevelling thesitefor undulationusing jcb etc, complete and as directed by the departmental officers. 18 renewing and fixing mild steel grills for windows and ventilators etc., including the cost of mild steel angles, plates, rods, cost of welding charges and one coat of priming coat etc., complete. ( the design should be got approved by the departmental officers. ) 19 painting new iron works such as steel doors, windows, ventilators, window bars, balustrades etc., with two coats of best approved first quality and colour of synthetic enamel paint over one coat of red oxide priming coat in all floors including cost of priming coat etc., complete complying with standard specification. ( the make, quality and colour of paint should be got approved by the executive engineer before use on works. ) 20 providing name board of size 3.60x1.00 using ms l channel of size 50x50x6mm alround and centre at equals distance over that welding with ms sheet of size 3.60x1.00mm with 3mm thick and fixing the same with necessary ms pipe of 75mm dia with necessary screws, botlts, nuts, welding using welding machine and hire charges welding machine, current consumption charges including paiting the name baord and pipe with one coat primer over two synthetic enamal paint and using vinyl strickering the name of school name etc., complete and as directed by the departmental officers. 21 painting the old walls two coat of exterior emulsion paint including cost of brushes, labour charges scoffolding charges etc., complete complying with standard specification and as directed by the departmental officers at site of work. 22 collecting the scattered debries from the campus and conveying away the same to ouside by tipper machinary to a lead of 3km ( entirely within city limit including loading and unloading charges and dumping in low places and levelling neatly etc., complete complying with standard specification and as directed by the departmental officers. 23 total in figures