Special repairs to Leaky roof arrangements in Boys hostel and sanitary arrangements in Boys Hostel Toilet in Government Polytechnic College at Perundurai.

Clean removal of Cement plaster from walls etc, complete as directed by the departmental officers.

Providing and laying 1.5 mm thick TPO Membrane over old terrace having weel surface/Lime mortar. The membrane is manufactured using hot-melt extrusion process for complete scrim encapsulation.. It is reinforced with a strong, polyester reinforced fabric center (scrim) and a tough thermoplastic polyolefin compounded to ply and the bottom. It should have UV resistant top white colour which has a very high resistance to weather agents and UV rays. TPO membrane shall be plasticizer, chlorine & pthalate free, and should exceed/meet specifications of ASTM D6878. Membrane should be mechanically fixed to the substrate by independent plates and fasteners. TPO Roof Membrane should be lapped and seamed using hot air heat welding equipment after mechanically fastening the overlaps. Membrane should have following miniumum properties, Breaking Strength min. 220lbf (976N) as per ASTM D751, Elongation break of reinforcement > 15% as per ASTM D751, and Tear Strength 55lbf (245N) as per ASTM D751. The finished cost including surface preparation, application of TPO membrane over the 200 GSM Geo-textile and termination of TPO membrane using 2mm thick aluminium strip sealing with PU sealant at the top of strip completely as per specification.

Plastering with Cement Mortar 1:5 (One cement and Five Plastering sand), 12mm thick in all floors including mortar plasticizer at 200ml per 50Kg of cement used, curing etc. complete complying with standard specification and as directed by the departmental officers.

Painting Old Plastered Wall Surface with Two finishing coats of ready mixed (Emulsion) of approved quality and colour over the existing wall in all floors etc..complete complying with standard specification and as directed by the departmental officers. (The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.)

Supplying and fixing in position best approved of BIS quality PVC rain water down fall pipes having a pressure of 4 kg./sq.cm including cost of neceSORY 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 and as directed by the departmental officers. 110mm dia PVC pipe for three floors

Supplying and fixing 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)

FRP door Sutter with FRP door frames made out of FRP Sheets of 3mm thick of over all size 65mm x 50mm with rebate suitably reinforced using MS Angle /Flats, cost of holdfasts and solid core FRP shutter Panel of 5mm thick and hollow core frames of 3m wall thickness for styles and rails etc., of sizes specified by Engineers.

Supplying and fixing PVC sliding door for Disabled persons toilet in with Solid 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 including slidng arrangements.

110 mm PVC Pipe