SCHOOL IMPROVEMENT GRANT WORKS -6TH FINANCE COMMISSION GRANT 2025-26 CONSTRUCTION OF 2 CLASS ROOM AT GOVERNMENT HIGH SCHOOL (UDISE-33130101324) IN CHINNALAPATTY TOWN PANCHAYAT..

Amount

BUILDING

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 the departmental 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.

Cement Concrete 1:4:8 (One Cement, Four M.Sand and Eight hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and curing etc. complete.

Supplying and filling Crushed stone sand (Commercially called M-Sand) as shown by the departmental officers in layers of not more than 15 cm thick well rammed, watered and consolidated etc. complete complying with standard specification

Supplying and filling GRAVEL in 'foundation and basement with filling crushed stone sand in layers of not more than 15cm.thick well rammed watered and compacted -1m3 etc., complete complying with standard specification.

Refilling with excavated earth other than crushed stone sand with an initial head load of 100 mts. and depositing the earth as shown by the departmental officers in layers of not more than 15 cm thick well rammed, watered and consolidated etc. complete complying with standard specification

Brick work in CM 1:5 (one cement & Five Crushed Stone Sand (M- Sand)) using II class ground moulded bricks of size 9" X 43/8"X 2 3/4" including finishing, curing, etc., complete complying with standard specification

For Superstructure in Ground floor

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 oak joists 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.

Supplying and erecting centering for sides and soffits including necessary supports and strutting upto 3.29 M height for plane surfaces as detailed below in all floors with all cross bracings using Mild Steel sheets of size 90 x 60 cm and 10 BG stiffened with welded Mild Steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at abote 90 cm centre to centre and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75 cm centre to centre etc. complete complying with the standard specificaiton.

For plane surfaces such as RCC floor slab, roof slab, beams, lintels, bed blocks, landing slab, waist slab, portico slabs and beams, etc.

For plane surfaces such as rectangular or square RCC columns, sunshades, top and bottom slab of RCC boxing, etc.

Providing and laying in position, standardised concrete Mix M-20 Grade in accordance with IS 456 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 admixture (plasticiser / super plasticiser) in recommended 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, etc., complete

For Foundation and Basement.

For Superstructure in Ground floor

Plain Cement Concrete 1:8:16 (one cement eight fine aggregates and sixteen coarse aggregates) using 20mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges etc., complete as per standard specification

For Superstructure in first floor

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)

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. Ground floor

Finishing the 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 Crushed stone 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

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.

110mm dia PVC Rain water down fall pipe One floor

Manufacturing supply & fixing of STEEL DOORS with following specification.MS angles of size 40x40x6mm 3.5 kg/m are used for the outer frmae and MSangles of size 35x35x5mm @ 2.6 kg/m for the shutter frames.Stiffeners with 32x6mm @ 1.5 kg/m MS flat is provided as the lockrail of the door and welded infact on both ends to the shutter frames.18 g CR sheets of best quality is laid as panel in the shutter frames.18 x 5mm @ 0.7kg/m MS flat is welded over the 32x6mm @ 1.50 kg/m MS that on the rear side of the door sandwitching the CR sheet for diagonally on the rear side of the shutter. The rate include coat of all materials, labour charges, transportation, taxes and all other incidental charges etc, complete.

Double leaf

Supplying and fixing fine polished cuddapah slab of following thickness for cup-board arrangements including laying to correct alignment with necessary cement mortar and black powder etc, complete complying with standard specification and as direct.

Manufacturing, Supplying and Fixing of Stainless Steel Hand rails for staircase near wet riser using 50mm dia 304L Grade Stainless Steel pipe of 1.60mm thick will be provided with tubular supports made of 304L Grade Stainless Steel pipe of 25mm dia of 1.60mm thick welded to the railing. The supports will be grouted into the wall and provided with 93.00mm thick Stainless Steel circular base plate of 304 Grade. The rate shall included for grouting into concrete with necessary supporting arrangements the hand rail in floor polishing buffing, bonding, cutting, grinding, conveyance, welding charges, electrical charges, etc. complete

Paving the floor with best approved quality fine polished Kota stone slabs of size 600 x 600 of 18 / 20mm with machine cut edges and matching marble slab not less than 100mm width other than Adanga Marbles as border laid over a cement mortar bed of 20mm thick using cement mortar 1:3 (One cement and three crushed stone sand) fixing the slabs in true right angles with minimum possible width of joints and pointing the joints with white cement mixed with mathcing colouring pigments and polishing with floor polisher to a high degree of finish etc., complete

Paving the floor with pre-polished concrete anti-skid step tiles (Required shape and design) of 20mm thick of approved quality and colour laid in Cement Mortar 1:3 (One Cement and Three sand) 20mm thick and pointed with white cement mixed with colouring pigment at the rate of 0.40 Kg. / sq.m., curing, etc., complete

Plastering with cement mortar 1:5 (one cement and five sand) 12mm. thick in all floors complying with standard specifications.

Special ceiling plastering and finishing all the exposed surfaces such as RCC slabs, sunshade, facia, canopy slabs, staircase steps, landing slabs,etc., with cement mortar 1:3 (one cement and three sand)10mm.thick including hacking the surfaces and providing cement mortar nosing beading as per standard specification etc., complete

Painting the wall two coats with approved weather proof Exterior Emulsion paint over one primer coat of over cement plastered wall surface etc., complete complying with standard specification.

Painting two coat 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 exisitng red oxide priming coat in all floors.The rate is inclusive of all materials, brushes and scaffolding charges etc., complete

Supply and fixing of 1200mm (48") sweep AC ceiling fan complete with stepped electronic 300W regulator with 1 metre down rod with fan clamp with side plates and cross arm of size 450mm (18") -SD 106

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 Copper leads - SD 88

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 concealed in wall and ceiling with PVC accessoires in flush with wall with 3mm thick hylum sheet cover with TW switch box light/ fan Point (for electronic regulator) (5 points per coil) -SD 7

S.Muthusamy (BID ID -1368154)