SCHOOL IMPROVEMENT GRANT SIXTH FINANCE COMMISION- 2024-2025 Repairs and Maintenance to the Governemt Boys Higher Secondary School in Sulur Town Panchayat, Coimbatore District

Amount

Dismantling plain cement concrete work including all labour charges

Dismantling and removing Pressed Tiles & Weathering Course work including all labour charges

Dismantling and removing Floor finish & dadooing walls in cement mortar with Mosaic Tiles / Glazed Tiles / Clay Tiles / Cuddapah Slabs

Plain Cement Concrete 1:4:8 mix (One Cement, Four Fine Aggregate and Eight Coarse Aggregate) Using 40mm ISS HBG metal for foundation and basement including dewatering if found necessary and laid in layer of not more than 15cm thick and consolidated including all cost conveyance of materials and labour charges etc. complete as per standard specifications and as directed by departmental Engineers(TNBP No.28).

Plastering with cement mortar 1:4 (One Part of Cement and Four part of Plastering Sand (P- Sand)) 20mm thick in all floors including cost and conveyance of all materials to site and labour charges etc, complete complying with standard specifications (S.I.309)

Weathering Course with Concrete Broken Brick (S.I.No.278) & ( P & D) Data 54.Jelly 20mm gauge in pure slaked lime (no sand to be added) over roof slab,the proportion of brick jelly to lime being '32 to 12.5 well beated with wooden beaters for giving required slope and thickness as directed by the departmental officers etc., complete.-10 cum

Finishing the top of roof with one course of machine pressed tiles of size 200 mm x 200 mm x 20 mm of approved quality in Cement Mortar 1:3 (One part of Cement and Three part of Plastering Sand (P- Sand)), 12 mm 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

Supplying and fixing in position best approved ISI quality PVC Rainwater Downfall pipes of 110mm diameter having working pressure of 4kg/cm2 including cost of PVC pipe, with necessary shoes, bends, nails, teakwood plugs, screws etc, and fixing of cast iron gratings of required dia metre and special clamps at junction of parapet and the RCC roof slab including finshing neatly etc., complete. The rate shall be inclusive of cost of removable cast iron gratings. The size of teak wood plugs to be used shall be 150mm x 25mm in front and 200mm x 75mm in rear and all other sides to a depth of 100mm. The PVC pipe shall be fixed with teakwood plugs by means of "U" Clamps using brass screws. Special types of "U" clamp at the centre of the pipeline shall be fixed in addition to those for more than 3 metre pipe length complying with standard specifications.

Supplying and fixing in position Indian water closet of size 580 X 440mm, white glazed earthen ware of approved quality with 'P' trap or 'S' trap confirming to IS:2556 - Part XII with sand cushion and forming flooring alround the closet using 40mm broken brick jelly in lime concrete 1:2:5 ( one part of lime, two parts of sand and five parts of brick jelly) 100mm thick and finishing the top to required slope and including giving necessary connection to cast iron soil pipes/ PVC pipes by dismandling brick masonry, reinforced cement concrete roof/floor slab and making good the disturbed portion to original condition without leakage etc., complete complying with standard specifications and as directed by the departmental officers.

Paving the floor with design Antiskirt ceramic tiles (colour and shade as directed) of size 305 mm x 305mm x 6 mm in all floors over a base layer of cement mortar 1:3 (One part of Cement and Three part of Plastering Sand (P- Sand)), 20mm thick laid in-situ and pointed with same coloured cement

Dadooing walls with Glazed tiles of sizes 300mm X 200mm X 6mm size of approved make and quality and colour Set in cement mortar 1:2 (One part of Cement and two part of Plastering Sand (P- Sand)) over 10 mm base layer plastering and pointing with white cement neatly as directed.

Paving the floor with kota stone slab of size 600 x 600 of 18 / 20mm (un-polished) in all floors laid in of cement mortor 1:3 (one cement three crushed stone sand), 20mm thick and pointed with colour cement neatly including polishing with polishing stone and oxalic acid etc., so as to perfectly smooth and glossy and including hire charges for polishing machine and power consumption charges etc. The kota stone slabs and other materials to be used shall be got approved by the Executive Engineer concerned before use on work, etc., complete as per standard speicification.

Painting two coats over new iron works such as steel doors, windows, ventilators, window bar balustrades etc., with best approved first quality synthetic enamel paint of approved colour over the existing red oxide priming coat in all floors. The rate is inclusive of all materials, brushes and scaffolding charges etc., complete complying with standard specification -Paint should be got approved by the Executive Engineer before use on work-.

Chipping of concrete and roughening the surface including all labour charges etc.,

Plastering with Cement Mortar 1:5 (One cement and Five sand), 12mm thick mixed with Bonding agent Cebex112, Zydex -Zycrete 2X or other Equalent compound conforming to BIS at 200ml of One cement bag (50kg) for increased workability and air entrainment used finishing in all floors including curing etc. complete complying with standard specification and as directed by the departmental officers.

Supplying and Fixing M.S grill to opening corridor sides, ladder Entrance gate and Name board angles etc., Using necessary M.S flat for inner members and outer members which should be fixed to window members frames as directed by departmental officers inclusive of cost of providing one coat of best quality red oxide primer. -The design of M.S. grill should be got approved from departmental officers before use on works.-

Wiring with 2 x 1.5 sq.mm. (22 / 0.3) PVC insulated SC unsheathed copper conductor cable of 1100V grade in suitablePVC rigid pipe on wall and ceiling with PVC accessories with TW switch box inflush with wall with 5A FT switch covered with hylum sheet of 3mm thick with painting of suitable colour with continuous earth wire connection of 14 SWG TC wire for open PVC light point / fan point (for electronic regulator) SD 19

Wiring with 2 x 1.5 sq.mm. (22 / 0.3 ) PVC insulated single core unsheathed copper conductor cable of 1100V grade in suitable heavy gauge MS conduit pipe on wall and ceiling with MS accessories with 150mm x 100mm x 75mm MS switch box for 5A 3 pin non interlocking flush type CS plug wfth painting of suitable colour with continuous earth wire connection of 14 SWG TC wire for open plug point SD 10

Supply and fixing of single box type 4'36W fluorescent fitting complete with electronic ballast with TW round blocks on wall or ceiling with flu tube with PVC unsheathed FRLS Copper leads from terminals to the fitting SD 87

supply and fixing of 1200mm (48") sweep AC ceiling fan complete ( Higher end) with 2 module 100W fan step regulator (Higher end) with 1 metre down rod on the existing fan clamp SD 458

Painting two coats of newly plastered wall surface with ready mixed plastic emulsion paint of first class quality and of approved colour over a priming coat including thorough scrapping, clean removal of dirt, and including necessary plaster of paris putty, wherever required etc., complete complying with standard specification.