CONSTRUCTION OF TWO CLASS ROOM BUILDING AT PANCHAYAT UNION GIRLS MIDILE SCHOOL IN MELPATTAMPAKKAM TOWN PANCHAYAT

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.

Supplying and filling in foundation, basement, etc with Crused Stone Dust 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 (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.

BRICK WORK in cement mortar 1:6 (One cement and Six M.Sand) using Fly Ash bricks of size 230mmx110mmx70mm-virtually the bricks shall be sound compact and uniform in shape free from visible cracks warppage flaws and organic matter.the bricks shall be solid with frog on one of its bearing side. class designation not less than 35 kg/sq.cm an average compressive strength in cement mortar 1:6 one cement and six M.Sand -including neat finishing ,curing etc.,complete complying with standard specification. For Foundation and Basement.

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. Grade beam

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

For rectangular or square RCC columns,

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

Cement Concrete 1:3:6 (One Cement, Three crushed stone sand and Six broken stone jelly) using 40mm size hard broken stone jelly for dummy columns, excluding cost of centering shuttering reinforcement grills and fabrication charges but including curing etc. complete. (Reinforced Cement Concrete 1:2:4 for slab to be extended upto top of splashing with pressed tiles and future extension rods to be embedded in CC 1:3:6 (One Cement, Three crushed stone sandand Six hard broken stone jelly). Dummy columns should be at least 1 metre height) 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 with top of roof with one course of machine pressed tiles of size 20cm x 20cm x 20cm of approved quality laid in cement mortar 1:3 (One cement and three sand) 12mm thick mixed with water proofing compound conforming to ISS by 2% weight of cement used and the joint pointed neatly to full depth of tiles with same water proofing compound mixed with cement motar ,red oxide, including cost and conveyance of all materials and labour charges and other incidental charges etc., complete as per standard specification

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

Manufacturing supply & fixing of STEEL DOORS with following specification.MS angles of size 3.5 kg/m are used for the outer frmae and MSangles of size 35x35x5mm @ 2.6 kg/m for the shutter frames.40x40x6mm 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 M.Sandwitching the CR sheet for diagonally on the rear side of the shutter. 2 Nos of hinges in case of single leaf The rate include coat of all materials, labour charges, transportation, taxes and all other incidental charges etc, complete. Double leaf 1.20x2.10m

Fabricating, supplying and fixing of steel Emergency exitdoor cum, emergency window with the following specification. M.S. angle in size 40x40x6mm are used for the outer frames and M.S. angle of sie 35x35x5mm for the shutter frame, stiffners with 32x6mm M.S. flats provided at required intervals in the shutter frames 18 guage CR sheet is laid as panel and welded instant for 1/3 bottom portion of the shutter, M.S. flat 18x5mm is welded over the 32x6mm M.S flat sandwitching the CR sheet in between additional stiffner with 18x5mm M.S. flat is provided diagonally at the rear-side of the shutter. Tower bolts 2 Nos. one at top and the other at the bottom are to be provided one aldrop is provided at an appropriate place in the door 2 Nos. Emergency door for emergency exists with top grill

Fabricating, Supplying and fixng in position of steel sheeted windows ( Three Leaves) with the following specifications. Outer frames of windows made of 'Z' section F7D of size 33 x 25 x 3mm at 1.419 kg/ m and mullion 'J' section (F4B) of size 46x25x3mm at 2.28kg/m and shutter section of made of F7D of 33x25x3mm at 1.419 kg/m as specified in IS 7452/1990. Each openable shutter should not exceed a width of 600mm to enable separate operations and easy maintenance. 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 18x5mm MS Flat at 0.70kg/m at 3 Nos. for each shutter and additional diagonal stiffners 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.Three Leaf

Manufacturing, supplying and fixing of Entrance steel doors with the following specification M.S angles of a size 40x40x6mm are used for the outer frames and M.S. angles of size 35x35x5mm for the shutter frames stiffeners with 32x6mm M.S. flat is provided at required intervals in the shutter frames 18 gauge C.R. sheet is laid as panel in the shutter and welded intact for 1/3 bottom portion of the shutter. M.S. flat 18x5mm is welded over the 32x6mm M.S. flat sand witching the CR sheet in between. Additional stiffener with 18x5mm M.S. flat is provided diagonally at the rear side of the shutter. The balance 2/3 portion at top is provided with grill at an average weight of 20 kg/sq.m with 300mm hieght of fixed glazing at top with 3mm thick Pin Headed glass including6 Nos hinges for double leaves shutter to be provided 6nos of holdfasts 120mm in length made of angle section spliced at the ends are welded to the outer frame of the door. Tower bolts 2nos. one at top and the other at the bottom are provided one aldrop is provided at on appropriate place in the door. Steel Entrance door

Plain Cement Concrete 1:4:8 (one part of cement, four part of Crushed Stone Sand (M- Sand) and eight part of coarse aggregates) using 40mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges and all incidential charges such as water providing etc., complete as per standard specification

Brick partition walls of 11.50cm thickness using best quality Fly Ash Bricks of size 23 x 11 x 7 cm in Cement Mortar 1:3 (One Cement and Three Sand) using hoop iron reinforcement if found necessary including curing etc. complete and as directed by the departmental officers. (Hoop iron reinforcement will be measured and paid for separately) In Ground Floor 11.00 cm thick.

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.

Supplying and fixing in position steel balustrades using 20mm square rods spaced at 150mm centre to centre so that the two balustrades in each step shall be placed centrally and the top of balustrades connected with the hand rails (cost of hand rail shall be measured and paid separately) by means of MS flats of size 40mm x 6mm in the groove 40mm x 6mm provided at the bottom of hand rail; the bottom of balustrades shall be fixed on to the top of step concrete. An additional MS flat of size 50mm x 6mm shall be provided at the centre of balustrades connecting all square rods to the entire length including cost of square rods, flat and applying one coat of red oxide primer to the iron surfaces, etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and fixing 40mm dia GI pipe for staircase hand rail including labour charges for cutting, welding and fixing with MS flats (excluding cost of flat), etc., as directed by the departmental officers

Supplying, and fixing M.S. GRILLS for open courtyard grill, grill work to doors, windows and ventilators etc, using necessary flats for inner and outer members which should be fixed or welded to masonry or column including necessary dismantling or making holes and redoing the same to original condition as directed by the departmental officers

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

Providing Blockboard in two layers with first layer in cement mortar 1:5 (one cement and five sand )20mm thick and the second layer in Combination mortar 1:1:6(one cement one lime and six sand) 20mm thick and providing band all round the block board in c.m 1:5 (one cement and five sand) for 20mm thick and 50mm width including cost of one coat of block oxide paint of approved quality complying with standard specification.

Painting two coats of newly plastered wall surface with ready mixed Interior 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 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 4'40W 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