Demolition of old building and Construction of Single classroom school building at PUP school, Pattanam in Pattanam Panchayat in Sulur block of Coimbatore District under NABARD ASSISTANCE (PHASE II) 2024-2025

Earthwork excavation for foundation (for narrow excavation) to full depth as per designed in all soils and sub soils except soft disintegrated rock not requiring blasting and hard rock requiring blasting and bailing water wherever necessary. Refilling the sides of foundation with excavated earth other than sand in layers of well rammed and compacted and depositing the surplus earth in places shown by the departmental officers with an initial lead of 10m and initial lift of 2m and clearing and leveling the site etc. complete complying with standard specification.

Supplying and filling in foundations and basement with filling M- sand in layers not exceeding 15 cm.thick,well watered,rammed and consolidated etc. complete complying with standard specifications.

Plain Cement Concrete 1 : 4 :8 ( one part of cement, four parts of sand and eight parts of hard broken stone ) using 40 mm gauge hand broken hard broken granite stone jelly complying with standard specifications in foundations and basement.

Refilling the approved good quality earth in plinths, area development etc. wherever specified in layers is not exceeding 200 mm thick, with available earth at site.

Supplying and erecting CENTERING for sides and soffits including supports and strutting upto 3.29 m high for plane surfaces such as RCC SLABS, RECTANGULAR BEAMS, TEE or ELL BEAMS, LINTELS, BED BLOSKS. STAIRCASE WAIST and landing slabs, landing beams, canopy etc., in all floors with all cross bracings using mild steel sheets of size 90cm * 60cm and BG 10 stiffened with welded mild steel angles of size 25mm * 25mm * 3mm for boarding laid over countrywood joists of size 10cm * 6.50cm spaced at about 90cm centre to centre and supported by Casuarian props of 10cm to 13cm dia spaced at 75cm centre to centre etc., complete and as directed. - Below GL Footing, Plinth Beam, etc.

Above Basement

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 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 crushed stone sand, but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including laying, vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the .Below Basement

Above Basement

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel reinforcement grills of all variety like HYSD/CTD/TMTand all grade Fe 500 D etc., for all RCC works as per design given including cost of steel reinforcement and G.I. binding wire, wastage etc. complete complying with standard specification and as directed by the departmental officers.(Contractor has to make his own arrangements for the supply of steel reinforcement and binding wire)

Brick work in following Cement Mortar 1:5 using best quality Fly ash bricks of size 23x11x7cm for foundation and basement including curing etc.,complete complying with standard specification.including scaffolding curing cost of reinforcement etc.all complete as per specifications and drawings as directed by the Engineer in-charge.Below Basement

Above Basement

Supplying and applying of two coats of putty of 3mm thick over the exposed RCC surface of ceiling including finishing the joints smoothy with grinding machine and the surface shall be thoroughly cleaned out of dust and scrubbing. The Surface shall then be allowed to dry for atleast 48 hours. It shall then be sand papered (waterproof abrasive sheet) to give a smooth and even surface. Any unevenness shall be made good by applying 1st coat of putty mixed with water on the entire surface including filling up the undulations and applying 2nd coat of putty after 6 hours of 1st coat of putty and then sand papering (waterproof abrasive sheet) the same after it is dry and finishing the surface smoothly, etc., complete complying with standard specifications and as directed by the Departmental Officers.

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

Paving the floor with best approved quality fine polished shahabad 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 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., 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.

Providing granolithic floor finish of the following thickness with plain cement concrete 1:2:4 (One Cement, Two sand and Four aggregate) using 10 to 12mm gauge hard broken stone jelly including laying, finishing and the top rubbed smooth with power trawl, thread lining,curing etc. complete complying with standard specification and as directed by the departmental officers. (The rate is inclusive of necessary planking for panelling wherever necessary and as directed by the departmental officers).

Manufacturing, supplying and fixing in position of steel windows with the following specifications. Outer frames of windows made of "Z" section F7D of size 33 x 25 x 3mm at 1.419kg/m and mullion "J" section (F4B) of size 46 x 25 x 3mm at 2.28kg/m and shutter section of made of F7D of 33 x 25 x 3mm at 1.419kg/m as specified in IS 7452/1990. ach openable shutter should not exceed a width of 600mm to enable separate operations and easy maintanenance. The panel of the shutters to be covered with 18 gauge cold rolled sheet of superior quality and welded intact with shutter frames. Horizontal stiffeners using 18 x 5mm MS flat at 0,70kg/m at 3Nos. for each shutter and additional diagonal stiffeners of the same MS flats at all the four corners of each shutters to the suitable length welded to the shutters, for holding the CR sheets in position firmly.2 numbers of sturdy hinges and one number of handle-cum-latch of special type made with 18 x 5 mm MS flats are revetted to the shutters at an appropriate height in window. Suitable opening is left for its easy operation. A stopper square rod for handle is provided in the mullion section at suitable le place to catch the window handle. Each window shutter having an adjustable stay made out of 18 x 5mm at 0.70kg/m MS flat of length 320mm with three adjustable position. A matching peg is provided in the outer frame of the window at suitable place. 4Nos. of hold fasts of 120mm length spliced at the ends are welded to the outer frame of the window by using MS flat of 18 x 5mm at 0.70kg/m welded to the shutter at two place equivalent from each other from top and bottom of the shutter. An MS square bar of 12mm size is welded to the inner face of the window at an equal internal not exceeding 100mm edge to edge between them. All members are painted with one coat of anti-corrosive red oxide primer as directed by the departmental officers. All sections should be in confirmed with IS 7452/1990. The cost includes cost of all materials, labour charges and other incidental charges, etc.,complete.

Manufacturing supplying and fixing of steel door with the following specification MS angels of size 40x40x6mm are used for the outer frames and M.S. angles of size 35x35x5mm for the shutter frames stiffeners with 32 x 6mm M.S flat is provided at required intervals in the shutter frame. 18-gauge C.R. sheet laid as panel in the shutter and welded intact. M.S. flat 18x5mm is welded over the 32 x 6mm M.S. flat M.Sandwitching the C.R. sheet in between additional stiffeners with 18x5mm M.S. flat is provided diagonally at the rear side of the shutter, 3nos. of hinges in case of single leaf and 6nos. of hinges in double leaves shutter to be provided 6nos. of holdfasts 120 mm in length made of angle section spliced at the ends are welded to the outer frames of the door. Tower bolts 2nos. one at the top and the other at the bottom are provided 1no. Aldrop is provided incase of double leaf door at lock rail section in the door in single leaf door, one more aldrop is provided in the inner lock rail section of the door One rotaing locking arrangements for the inner side of the door and additional provision for locking arrangements for lock is provided on the rear side of the door at an appropriate place. Incase of double leaf door M.S.Flat 32 x 3mm at 1.1Kg/m is provided on the one shutter t conceal the gap between the two shutters.at an appropriate place in the door. A tie bar is provided at the bottom of the frame to prevent twisting of frame during transportation and fixing. All members are given a coat of red oxide primer as directed by the departmental officers. The rate includes cost of all materials, labour charges, transportation to site of work, loading, un loading and all other incidental charges etc., complete.

Weathering course in brick jelly lime concrete using broken brick jelly of size 20mm uniform gauge in pure slaked lime (no crushed stone M.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.

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 M.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.

Supplying and painting the walls with two coats of oil bound distemper over one coat of water based cement primer including cost for distemper, primer, cleaning and scrapping the walls, rendering the walls smooth with necessary putty, brushes, scaffolding arrangements, labour charges, etc., as per standard specification. (The colour and shade of the distemper shall be got approved by the Executive Engineer before use of work).

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.

Painting new iron works such as steel doors, windows, ventilators, window bars, balustrades etc., with two coats of best approved first quality and colour of synthetic enamel paint over the existing red oxide priming coat in all floors excluding cost of priming coat etc., complete complying with standard specification. (The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.)

Supply and fixing of Cuddappa Slab 40mm Thick including cost and Conveyance of all site etc. Complete.

Providing Cup-board Shutter with frame using termite / water proof plywood of 19mm thick over which laminated sheet of 0.8mm thick fixed inside the shutter and 1mm thick fixed in the outside of the shutter using adhesive along with necessary furniture fittings, such as, hydralic hinges, tower bolt, handles, multi purpose locks etc., as directed by the Departmental Officers. The design pattern, water proof plywood, laminate sheet and other materials should be got approved from the Executive Engineer befoe use on work.

Wiring with 2 x 1.5 sq.mm. PVC insulated SC unsheathed FRLS 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 and 5A FT switch and making good of the concealed portion with suitable colour for PVC concealed light / fan Point (for electronic regulator) (5 points per coil) - SD 25

Wiring with 2 x 1.5 sq.mm. PVC insulated SC unsheathed FRLS copper conductor of 1100V grade in suitable PVC rigid pipe concealed in wall and ceiling with PVC accessories in flush with wall with 150mm x 100mm x 113mm TW switch box with 3mm thick hylem sheet cover for 5A 3 pin non inter locking wall socket with 5A flush type switch with continuous earth wire connection of 1.5 sq.mm copper wire and making good of the concealed portion with suitable colour for concealed PVC plug point - SD 38

Wiring with 2 x 4 sq.mm. PVC insulated SC unsheathed FRLS copper conductor cable of 1100V grade in suitable pipe on wall and ceiling with PVC accessories with 150mm x 100mm x 113mm TW switch box for 15A 3 pin non inter locking wall socket with 15A flush type switch with painting of suitable colour with continuous earth wire connection of 4 sq.mm copper wire for open PVC power plug point - SD 39

Supply and fixing of 1200mm (48") AC ceiling fan complete with stepped electronic 300W regulator with 300mm down rod on the existing clamp - SD 110

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 fixng of TNEB meter board suitable for 3 phase 63A service connection made up of suitable angle iron frame work of size 2 feet x 1-1/2 feet using angle iron of size 1-1/2" x 1-1/2" x 1/4" rigidly fixed on wall covered with hylem sheet of size 2 feet x 1/2 feet of 6mm thickness with necessary bolts and nuts supports and supply and fixing of 3 Nos. 63A fuse units (500V), 1 No. neutral link, copper earth flat of size 1" x 1/4" with inter connection of EB meter to fuse units by 16 Sq.mm PVC insulated copper wire with 1 No 63 Amp 30 MA Four Pole RCD / RCCB (Higher End) with suitable necessary connection with earth connection complete - SD 131

Supply and run of 2 of 4 sq.mm. PVC insulated SC unsheathed FRLS copper conductor of 1100V on 7 / 20 GI bearer wire for service connection mains - SD 65

Supply and run of 4 x 6 sq.mm. PVC insulated SC unsheathed FRLS copper conductor of 1100V grade in 32mm dia GI pipe (Class 'B') suitably bent at both ends with necessary angle iron up right and end supports for mains - SD 73

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.

Providing BALA Painting including all materials and labour charges etc complete

PLINTH PROTECTION PLATFORM Earthwork excavation for foundation in all classes of soils and sub-soils to full depth as may be directed, except hard rockrequiring blasting but including shoring strutting and bailing out water wherever necessary and refilling the sides of foundation with excavated earth in layers of not more than 15cm thick well rammed and consolidated and depositing and surplus earth in all places shown by the departmental officers with initial leads and lifts etc.,including levelling the sites complete complying with standard specifications and as directed in hard stiff clay,stiff black cotton soil,hard red earth,shales, murrams,gravel,stoney earth and mixed with 50% fair size boulders and hard gravelly soils as per SS20B

Supplying and filling in foundation, basement, etc with filling M.Sand in layers of not more than 15 cm thick well watered, rammed and consolidated etc. complete complying with standard specification and as directed by the departmental officers.

Cement concrete 1:4:8 mix using 40 mm gauge hard broken granite stone jelly for foundation including cost and conveyance of all materials and labour charges for laying and curing etc.,complete complying with standard specifications and as directed etc complete

Brick work in following Cement Mortar using best quality Fly ash bricks of size 23x11x7cm for foundation and basement including curing etc.,complete complying with standard specification.

Providing granolithic floor finish of the following thickness with plain cement concrete 1:2:4 (One Cement, Two crushed stone M.Sand and Four aggregate) using 10 to 12mm gauge hard broken stone jelly including laying, finishing and the top rubbed smooth with power trawl, thread lining, curing etc. complete complying with standard specification and as directed by the departmental officers.

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

DISMANTLING OLD SCHOOL BUILDING Dismantling away damaged old RCC roof removing all labour charges etc., completed as per standard specification etc complete

Dismantling away damaged old brick walls removing all labour charges etc., completed as per standard specification etc complete

Removing the existing damaged steel doors and windows including all labour charges etc complete

GST Amount for providing Service to Government Contract Works for the above Construction Works. { GST Amount is the Total GST Amount for total overall quoted amount above this row in column "BB" for all works in this package}

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