Tender For Civil Work - Special Repairs To Leaky Roof, Toilet And Other Repair Works In Govt Boys Higher Secondary School At Uthukottai.; 1 Dismantling, clearing away and carefully stacking materials useful for re-usefor any thickness of Floor finish and dadooing walls in cement mortar with mosaic tiles / glazed tiles / cuddapah slabs. 2 Renewing the damaged ceramic tiles of size 305 x 305 x 6 mm laid over 20 mm thick cement mortar 1:3 (One Cement and Three Sand)base mortar over the existing slab / floor including cutting the tiles to the required size with special cutter wherever necessary, laying in position and pointing with white cement mixed with colouring pigment at the rate of 0.3 Kg. / sq.m. etc., complete complying with standard specification.(The make and brand of the tiles should be got approved by Executive Engineer before use on works). 3 Relaying the damaged Weathering course in brick jelly lime concrete using broken brick jelly of size 20mm uniform gauge in pure slaked lime (no sand to be used) to the proportion of brick jelly to lime being 32:12.5 by volume and laid over the RCC roof slab in a single layer of required slope and finished by beating the concrete with wooden beaters of approved pattern, keeping the surface constantly wet by sprinkling lime jaggery water, etc., complete as per standard specification and as directed by the deparmental officers. 4 Renewing the damaged top of roof with one course of machine pressed tiles of size 230mm x 230mm x 20mm of approved quality set in Cement Mortar 1:3 (One Cement and Three Sand) 12mm thick mixed with water proofing compound conforming to ISS at 2% by weight of cement used and the joints pointed neatly to full depth of tiles with the same cement mortar mixed with red oxide and water proofing compound including curing etc., complete complying with standard specification and as directed by the departmental officers. 5 Renewing and refixing of 40.00 x 40.00mm MS square tube for Horizontal stiffener including cost of welding, finishing with two coats of synthetic enamel paint over a primer coat including cost of transportation, loading and unloading welding etc., complete. 6 Reroofing with best quality prelaminated galvanisediron powder coated sheet of 0.47m thick of approved colour design and quality including cost of self tapping screws between washerand cutting the sheet to required slop if found necessary during execution of workhave charges for machine etc.,complete. As per approved rate. 7 Repainting two coats of old plastered wall surface with ready mixed plastic Interior emulsion paint of first class quality and of approved colour without primer including thorough scrapping, clean removal of dirt, and including necessary plaster of paris putty, wherever required etc., complete complying with standard specification. 8 Renewing the damaged PVC door with new PVC door shutters using 19 Gauge 19mm MS square tubes for styles and outer frames.15mm MS square tubes for top, lock and bottom rails.The steel tubes shall be covered with 5mm thick solid PVC sheets.Shutter using 5mm thick solid PVC sheets for panelling shall rigidly fixed in position including necessary furniture and fittings. The over all size of styles shall be 50mm x 30mm.The over all size of top rail,Lock rail and bottom rail shall be 75mm x 30mm. The over all size of frames shall be 50mm x 45mm, with suitable rabate for housing the shutter. 9 Renewing the damaged UPVC pipes of approved quality and best variety conforming to BIS of the following dia including cutting, threading and fixing UPVC specials using UPVC adhesives (but excluding cost of such specials) and fixing into wall with teak wood plugs, PVC clamps and screws making holes on the wall (or) drilling holes in the roof and making good the dismantled portion to original condition with necessary brick work / cement concrete and plastering neatly wherever necessary with necessary scaffolding charges upto 4 metre height above ground level, etc., complete complying with standard specifications.The UPVC pipes shall be got approved by Executive Engineer before use on works.(Above Ground Level) (External Water supply) 10 25mm dia UPVC Pipe 11 20mm dia UPVC Pipe 12 Renewing and refixing in position white / colour glazed European Water Closet of best quality and approved make with 100 mm P or S trap connecting with CI pipe of 100mm dia / PVC pipe of 110mm dia, double flapped rigid PVC black seat and seat cover with CP brass hinges including cost of white cement, cement for packing, spun yarn, teak wood plugs, brass screws, etc., including supplying and fixing 10 litres capacity PVC / 12.5 litres capacity porcelin low level flushing tank with a pair of CI brackets, etc., complete with all fittings such as 15mm brass ball valve with polythene float with brass handle, union, coupling connected by means of 40mm white PVC flush hand using Indian adopter joint including all internal fittings such as 15mm brass connections, 15mm GM wheel valve, 15mm brass nipple (2 Nos.), 15mm nylon connection, TW plugs, screws and also giving necessary connection to the PVC pipe including cost of 600mm length of 110mm dia PVC pipe and painting the CI brackets with 2 coats of approved paint over one coat of red oxide primer, dismantling the masonry and re-doing the dismantled masonry to original condition etc. complete complying with standard specifications.(The EWC and flushing tank wiht all accessories should be got approved by the Executive Enginer before use on works) 13 Renewing and refixing in position 15mm dia brass CP screw down tap / Pillar tap (heavy duty) of approved make conforming to BIS specifications and quality including cost of shellac, thread, etc., complete complying with standard specification and including cutting and threading wherever necessary.(Taps should be got approved by the Executive Engineer before use on the works). 14 Renewing and refixing in position best quality PVC soil / waste pipes of various dia having 6 kg / sq.cm. pressure BIS mark and providing leak proof joints using PVC adhesives including fixing to the wall with special PVC / MS clamp, teak wood plugs, brass screws, etc., and making connection to all sanitary fittings, dismantling masonry / RCC works wherever found necessary and making the good dismantled portion to the original condition, including testing for any leakages, etc., complete complying with standard specifications.(The PVC pipes should be got approved by the Executive Engineer before use on works). The rate for earth work excavation will be measured and paid separately in the cases where the pipe lines are proposed to laid below ground level. 15 110mm dia PVC Pipe 16 Renewing and refixing in position best approved of BIS quality PVC rain water down fall pipes having a pressure of 4 kg. / sq.cm including cost of necessry PVC shoe, PVC bend, cast iron gratings of required diameter and special clamps, brass screws, nails, etc., and fixing of cast iron gratings at junction of parapet and the RCC roof slab including finishing neatly etc., complete. The rate shall be inclusive of cast of removable cast iron grating. The PVC pipe shall be fixed in wall with special type of U clamp at the centre of the pipe line in addition to those for more than 3.0 metre pipe length, etc., complete complying with standard specification. 17 110mm dia PVC Pipe 18 Sub Total Amount for above all items (excluding GST) 19 GST 18% for above SubTotal Amount
