School Improvement Grant 2022-2023 and 2023-2024 - Repair and Maintenance of School Building GGHSS, Pethanaickenpalayam Town Panchayat, Salem District.

Amount

Supplying and erecting, centering for sides and soffits including supports and strutting upto 3.29m height for plane surfaces as detailed below in all floors with all cross bracings using mild steel sheet of 90cm x60cm BG 10 gauge stiffened with welded M.S. angle of 25 x 25 x 3mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at about 90 cm centre to centre and supported by casurina props of 10 cm to 13 cm dia spaced at not less than 75 cm centre to centre or at suitable intervals etc. complete in all floors complying with standard specification. (The payment for centering shall be made only after the concrete is laid. The retrieved materials should be taken back by the contractor)

Supplying, fabricating and placing in position M.S. or R.T.S. reinforcements grill for RCC works as per the design given including cost of steel and binding wire etc., complete complying with standard specification. (The contractor will have to make his own arrangements for the supply of M.S. plain rods / RTS rods and binding wire)

Providing and laying in position, Standardised Concrete Mix M-20 Grade in accordance with IS : 456-2000, using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 325 kg/m3 and maximum water cement ratio of 0.55, including admiture ( plasticiser / super plasticiser ) in recmmended proportions as per IS : 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5 cu.m) 7730 kg of 20mm machine crushed stone jelly and with about (3.3 cu.m) 5156 kg of 10 - 12mm machine crushed stone jelly and with about (4.79 cu.m) 7670 kg of sand, but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including laying, vibrating, finishing, curing, etc., and providing fixtures like Fan clamps in the RCC floor / roof slabs wherever necessary without clamping extra, etc., complete complying with standard specification and as directed bythe departmental officers. The coarse and fine aggregates to be used should comply with the requirements of IS standards. ( No seperate payment will be made by the department for the excess usage of materials).

Brick Work in Cement Mortor 1:3 Mix (one cement, five M- Sand) using new best II Class Bricks of size 9 ” x 4 3/8 “x 2 3/4 ” from approved quarry including cost and conveyance of all materials to site. Loading and unloading charges and labour charges for mixing, laying and curing etc. complete. Complying with std. specifications.(For 10 M3)

Weathering course concrete with broken brick jelly of 20 mm gauge in pure slacked lime ( no sand to be added) over roof slab the proportion of brick jelly to lime being 32 to 12.5 by volume and laid over In a single layer and consolidated require designed and finished thickness by beating the concrete with wooden beaters of approved pattern , keeping the surface constantly welded springing lime jiggery water asper standard specification and as directed by the departmental officers.

Finishing the top of roof with one course of approved first quality Machine Pressed Tiles of size 230mm x 230mm x 20mm thick of approved quality laid in Cement Mortar 1:3 (one cement and three sand) 12mm thick mixed with water proofing compound conforming to Indian standard as approved by the departmental officers at 2% by weight of cement used and the joints pointed neatly to full depth of tiles with the same mortar mixed with the water proofing compound and red oxide etc. complete complying with standard specification.

Plastering with Cement Mortar 1:5 (One cement and Five sand), 12 mm thick in all floors including curing etc. complete complying with standard specification and as directed by the departmental officers.

Painting two coats with ready mixed Plastic Emulsion Paint approved quality and colour over a priming coat, including thorough scrapping, clean removal of dirt, etc complete and including necessary plaster of paris, putty, wherever required etc, complete as per standard specification. - 10 sq.m

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 part of Cement and Three part of Plastering Sand (P- 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 with ready Mixd enamel Paint over the new Steel works of approved quality and colour without priming coat including the cost all materials etc., complete, in all floors.

Painting one coats over the old iron work using ready mixed enamel paint including cost of all materials to site and all labour charges for mixing applying etc., Complete as per Standard Specifications Rate for 10 Sqm

Wiring with 2 x 1.5 sq.mm. (22 / 0.3) PVC insulated SC unsheathed copper conductor of 1100V grade in suitable PVC rigid pipe on wall and ceiling with PVC accessories and with TW switch box and 5A FT switch with painting of suitable colour for open PVC light point / fan point (for electronic regulator) (6 points per coil) Sd 20

Wiring with 2 x 1.5 sq.mm (22 / 0.3) PVC insulated SC unsheathed copper conductor of 1100V grade in suitable PVC rigid pipe on wall and ceiling with PVC accessories with 150 x 100 x 113mm TW switch box for 5A 3 pin non inter locking Wall socket with 5A flush type switch with painting of suitable colour with continuous earth wire connection of 14 SWG TC wire for open PVC plug point ( Sd 36 )

Supply and fixing of 4'40 W single industrial type flu.fitting complete with copper choke and condenser with conduit pipe suspension from the ceiling with PVC unsheathed Copper leads from the terminals to the fitting with flu.tube. (SD89)

Supply and fixing of 1200mm sweep AC ceiling fan complete with stepped electronic regulator with 300mm down rod on other existing clamp.(SD 106)

Supply, fabricating & fixing in position of M.S window outer frame will be 25 x 25 x 3mm angle, the side frame with outer bars and M.S Sheets 1.60mm thick 20gauge MS sheet with necessary hinges, tower bolt, aldrop length 30mm and hold fast etc., complete complying with standard specifications.