Constn. of 3 Class rooms and Lab in Panchayat Union Middle School at Thiruvennainallur in Villupuram District

Amount

Earth work excavation for foundation by Mechanical means for Isolated & Combined Footing etc 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 100 mts and clearing and levelling including dressing of sides and raming of bottoms etc., complete complying with standard specification and as directed by the departmental officers.- Upto 2.40m Footing Depth.

Refilling with excavated earth other than 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 15cm thick well rammed with surface vibrator, watered and consolidated etc., complete complying with standard specification and as directed by the departmental officers.

Supply and filling in foundation and basement with Gravel in layers of not more than 15cm.thick well rammed watered and compacted with surface vibrator, watered and consolidated etc. complete complying with standard specification and as directed by the departmental officers.

Supplying and filling in foundation, basement, etc with 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 1:5:10 (One Cement, Five crushed stone sand and Ten 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 including curing etc., complete complying with standard specification and as directed by the departmental officers. -Mixing by Mechanical means

Cement Concrete 1:5:10 (One cement, Five crushed stone sand and Ten hard broken stone jelly) using 40 mm gauge hard broken jelly for flooring including laying, consolidating, finishing, rendering the top surface rough to receive the floor, 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 -Mixing by Mechanical means

Brick work in Cement Mortar 1:6 (One Cement and Six Crushed Stone Sand) using best quality Burnt Clay Brick of size 9” x 4 3/8” x 2 3/4” with class designation of 7.5 conforming to IS 1077-1992 for foundation and basement including Cost of Mortar Plasticizer curing, etc.,complete complying with standard specification and as directed by the departmental officers. Brickwork shall be done as per IS 2212-1991 adopting English Bond generally. Other type of bond shall be done as directed by the Executive Engineer in charge.

For Foundation and Basement

For Superstructure in Ground Floor

For Superstructure in First Floor

For Superstructure in Second Floor

Brick partition walls of 11.50cm thickness using best quality Burnt Clay Brick of size 9” x 4 3/8” x 2 3/4” with class designation of 7.5 conforming to IS 1077-1992 in Cement Mortar 1:3 (One Cement and Three Crushed Stone Sand) using hoop iron reinforcement if found necessary including Cost of Mortar Plasticizer, curing etc. complete complying with standard specification and as directed by the departmental officers. (Hoop iron reinforcement will be measured and paid for separately)

For Superstructure in Ground Floor

For Superstructure in First Floor

Damp proof course as per IS 3067:1988 with Cement Mortar 1:4 (One Cement and Four crushed stone sand) 12mm thick mixed with best approved quality Integral liquid water proofing compound conforming to Indian Standard specification as specified by the departmental officers at 2% by weight of cement used , finishing and curing etc. complete complying with standard specification - Manual Mixing

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, Sill slabs 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 with silver oak joists of size 10cm x 5cm & 7.5cm x 5cm as support runner, vertical stiffener, side support and Top Horizontal stiffener spaced at about 60cm to 90cm centre to centre or at suitable intervals etc. complete in all floors complying with standard specifcation. (Payment for centering shall be given after the concrete is laid).

Supplying and erecting centering for plane surfaces such as RCC Floor/Roof Beam, Lintels, Cantilever Beams, Bed Blocks etc.. with necessary supports and strutting upto 3.60m height in all floors with all cross bracings using MS Sheets made of 10 gauge thick welded with MS angle of Size 25mm x 25mm x 3mm for boarding laid over Steel adjustable Span of Size 2m x 2m(expandable upto 3.60m) and Silver Oak Joists of Size 10 x 5 cm spaced at 50cm to 60cm c/c and supported by Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick) Spaced at not more than 50 to 60cm c/c , etc complete complying with standard specifications. Steel adjustable span and Steel Adjustable telescopic props shall be provided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid).

Supplying and erecting centering for plane surfaces such as RCC Floor Slab, Roof Slab, Loft, Landing Slabs, etc with necessary supports and strutting upto 3.60m height in all floors with all cross bracings using MS Sheets made of 10 gauge thick welded with MS angle of Size 25mm x 25mm x 3mm for boarding laid over steel adjustable span of size 2m x 2m (expandable upto 3.60m) and supported by Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick), etc complete complying with standard specifications. Steel adjustable span and Steel Adjustable telescopic props shall be provided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid).

Supplying and erecting steel centering including necessary supports For plane surfaces such as rectangular or square RCC columns etc. which require only nominal strutting using mild steel sheets made of 10 gauge thick welded with MS angle size 40mm x 40mm x 5 mm and supported by Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick) etc., complete in all floors complying with standard specifcation. Steel Adjustable telescopic props shall be provided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid).

Supplying and erecting steel centering including necessary supports For Circular Columns, which require only nominal strutting using mild steel sheets made of 10 gauge thick welded with MS angle size 40mm x 40mm x 5 mm and supported by Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick) etc., complete in all floors complying with standard specifcation. Steel Adjustable telescopic props shall be provided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid).

Providing and laying in position, standardised concrete Mix M-20 Grade by insitu machine mix concrete adopting weighing batch method 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 RCC floor/ roof slabs wherever necessary without claiming extra, etc., complete complying with standard specification and as directed by the departmental officers. The coarse and fine aggregates to be used should comply with the requirements of IS standards. (No separate payment will be made by the Department for the excess usage of materials).

For Foundation and Basement

For Superstructure in Ground Floor

For Superstructure in First Floor

For Superstructure in Second Floor

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel reinforcement grills of all variety like HYSD/CTD/TMTand all grade like Fe 500, Fe550D, 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)

For Upto Plinth / Basement Level

For Superstructure in Ground Floor

For Superstructure in First Floor

For Superstructure in Second Floor

Manufacturing, supplying and fixing Precast Reinforced Cement Concrete slabs of following thickness in RCC 1:2:4 (one cement, two crushed stone sand and four aggregates), using following HBGS jelly excluding cost of reinforcement steel in position but including cost of moulding charges, casting of slab, finishing, curing and fixing in position in all floors etc., complete complying with standard specification and as directed by the departmental officers.

50mm thick slab using 20mm HBGS jelly

Finishing the top of roof with combination mortar 1:1:6 (One Cement, One lime and Six Crushed Stone Sand) 20 mm thick in all floors including grinding, mixing, curing etc., complete complying with standard specification and as directed by the departmental officers.

Paving the floor with kota stone (unpolished) slab of 600 x 600 of 18/20 mm size in all floors laid over cement mortar bed of 20mm thick in of cement mortor 1:3 (one cement and three crushed stone sand), with required Cement Slurry and Mortar Plasticizer 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.complete complying with standard speicification and as directed by the departmental officers. (The kota stone slabs and other materials to be used shall be got approved by the Executive Engineer concerned before use on work)

Paving the floor with pre-polished concrete anti-skid tiles (Required shape and design) of 20mm thick of approved quality and colour laid in accordance with IS 1443 over a cement mortar bed of 20mm thick in Cement Mortar 1:3 (One Cement and Three crushed stone sand) with required Cement Slurry and Mortar Plasticizer and pointed with white cement mixed with colouring pigment at the rate of 0.40 Kg. / sq.m., curing, etc., complete complying with standard specification and as directed by the departmental officers. (The make and brand of the tiles should be got approved by Executive Engineer before use on works)

Paving the floor with best quality Double Charged vitrified Tiles of 600x600x8mm size and variety conforming IS 15622 with water absorbtion less than 0.08% of approved colour and shade laid over cement mortar bed of 20mm thick in cement mortar 1:3 (one cement and three crushed stone sand) with required Cement Slurry and Mortar Plasticizer in all floors and the top pointed with Water Resistant Tile Epoxy Grout etc., complete complying with standard specification and as directed by the departmental officers. (The make and brand of the tiles should be got approved by Executive Engineer before use on works)

Dadooing walls with colour designed digital print ceramic tiles, with borders, with size of 300mm x 450mm x 8mm with best approved quality, conforming to IS 15622 of following sizes in Cement Mortar 1:2 (One Cement and Two crushed stone sand),10 thick with Mortar Plasticizer and pointing the joints with Water Resistant Tile Epoxy Grout at the rate of 0.27 Kg. / sq.m. neatly in all floors, curing, etc., complete complying with standard specification and as directed by the departmental officers.(The make and brand of the tiles should be got approved by Executive Engineer before use on works)

Supplying and fixing of unbreakable dust free, easy to erase, class room writing board of size 3.60mX1.20m made up 8mm thick green colour ceramic sheet pasted on the front side 12mm thick ply board and backside of ply board is pasted with flex board sheet the outer beading of the writing board will be fixed with aluminium section of size 25mm, the board will be fixed firmly on the wall using 3 inch screws the rates includes cost of all materials labour approved quality, etc., complete complying with standard specifications and as directed by departmental officers Excluding GST.

Plastering with Cement Mortar 1:5 (One cement and Five Plastering sand), 12mm thick in all floors including mortar plasticizer at 200ml per 50Kg of cement used, curing etc. complete complying with standard specification and as directed by the departmental officers.

Supplying and applying of two coats of putty of 3mm thick over the exposed RCC surface of ceiling including finishing the joints smoothly 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 (water proof 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.( The rates are inclusive of hire charges for grinding machine with wheel, cost of sand paper (water proof abrasive sheet), cost of putty blade, labour charges for grinding the joints and sand papering, two coats of putty, scrapping the putty area to level the surface smooth, etc.,complete. The putty should be got approved by the Executive Engineer before use on work.

Special ceiling plastering and finishing the exposed surface of all RCC items of work such as slabs, beams, sunshades, facia, canopy slab, staircase waist slab, landing slab etc., with Cement Mortar 1:3 (One Cement and Three Plastering Sand) 10mm thick including mortar plasticizer at 200ml per 50Kg of cement used , hacking the surfaces and curing, etc., in all floors complying with standard specification and as directed by the departmental officers.

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.

160mm dia PVC Pipe (Two Floors)

Painting two coats of newly plastered wall surface with ready mixed plastic 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 and as directed by the departmental officers.

Painting two coats of newly plastered wall surface with ready mixed plastic Exterior 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 and as directed by the departmental officers.

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 and as directed by the departmental officers. (The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.)

Manufacturing supplying and fixing of Fully Panelled steel door with the following specification MS angles 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 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 Steel Parliament Hinges of Size 125mm x 150mm in case of single leaf and 6nos. of Steel Parliament Hinges of Size 125mm x 150mm in double leaves shutter to be provided. 6nos. of holdfasts 200 mm in length made of angle section spliced at the ends are welded to the outer frames of the door. Tower bolts 3 nos, one at the top, one at lock rail (Inner) and the other at the bottom are provided 1no. Aldrop is provided at lock rail section in the door 2 Nos of 200mm handle are to be provided. 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 to 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 complying with standard specification and as directed by the departmental officers. - Single leaf of size 1.00m x 2.10m.

Single Leaf

Manufacturing supplying and fixing of Fully panelled steel door with the following specification MS angels of size 40x40x6mm are used for the outer frames and M.S. angles of size 35x35x6mm 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 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 Steel Parliament Hinges of Size 125mm x 150mm in case of single leaf and 6nos. of Steel Parliament Hinges of Size 125mm x 150mm in double leaves shutter to be provided 6nos. of holdfasts 200 mm in length made of angle section spliced at the ends are welded to the outer frames of the door. Tower bolts 4nos. One the top of each shutter, one at lock rail and the other at the bottom are provided. 1no. Aldrop is provided at lock rail section in the door 3 Nos of handle are to be provided, 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 to 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 complying with standard specification and as directed by the departmental officers. - Double leaf of size 1.20m x 2.10m.

Double Leaves

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, stiffeners with 32x6mm M.S. flats provided at required intervals in the shutter frames 18 gauge 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 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 15kg/Sq.m and the top portion of operation emergency window is to be made of 25x25x3mm M.S. angle welded intact with CR sheet and 25x3mm M.S. flat at diagonally at the near side of the window at required intervals 6 Nos. of Steel Parliament Hinges of Size 125mm x 150mm to be provided,6 Nos of holdfast 200mm in length made of angle section spliced at the ends are welded to the outer frame of the door. Tower bolts 4nos. One the top of each shutter, one at lock rail (Inner side) and the other at the bottom are provided. one aldrop is provided at an appropriate place in the door 2 Nos. of ‘D’ type handle for emergency window and 2 Nos of handle for door is to be provided at appropriate places. A tie bar is provided at the bottom of the outer frame to prevent twisting of frame during transportation of fixing. All members are given

one coat of red oxide primer as directed by the departmental officers. The rate includes cost of materials, labour transportation to side of works, loading, unloading and all other incidental charges etc., complete complying with standard specification and as directed by the departmental officers. - Double leaf of size 1.20m x 2.10m.

Double Leaves

Manufacturing, supplying and fixing of 1/3 panelled and 2/3 grilled 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 20kg/sq.m and 6 Nos Steel Parliament Hinges of Size 125mm x 150mm for double leaves shutter to be provided 6nos of holdfasts 200mm in length made of angle section spliced at the ends are welded to the outer frame of the door. Tower bolts 4nos. One the top of each shutter, one at lock rail (Inner side) and the other at the bottom are provided. One aldrop is provided at an appropriate place in the door. 3 Nos of handle are to be provided. A Tie bar is provided at the bottom of the outer frame to prevent twisting of frame during transportation or fixing. All members are given one coat of red oxide primer as directed by the departmental officers. The rate includes cost of all materials, labour charges,taxes, transportation to site of work, loading, unloading and all other incidental

charges etc., complete complying with standard specification and as directed by the departmental officers. - Double leaf of size 1.50m x 2.10m.

Double Leaves

Fabricating, Supplying and fixing in position of steel Sheeted windows (Four 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 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 Steel Offset Pivot hinges of size 3” and one number of handle-Cum latch of special type made with 18x5mm 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 place to catch the window handle. each window shutter having an adjustable stay made out of 18 x 5mm at 0.70 kg/ 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. 4 Nos. of hold fasts of 200mm length spliced at the ends are welded to the outer frame of the window by using MS flat of 18x5mm at 0.70kg/m, welded to the shutter at two place equivalent from each 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 interval not exceeding 100mm 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 complying with standard specification and as directed by the departmental officers.

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 fine polished cuddapah slab of 38 / 40mm thickness for cupboard arrangements including laying to correct alignment with necessary cement mortar and black powder etc, complete complying with standard specification and as directed by the departmental officers.

Supplying and fixing Mild Steel grills for windows, ventilators etc., complete complying with standard specifications and as directed by the departmental officers.

Supplying fixing and errecting of steel roof trusses and roof truss purlins fixing for G.I. sheet roofing using MS. L. angle of size 50x50x6 mm raffter, Tie angles and MS angle of size 50x50x6mm for sturts and MS plat of size 12 mm thick for fixing G.I. sheet. The purlins using MS L. angle of size 50x50x6 mm shall be properly anchored to the supporting super structure and fixed in concrete at wall and spacing of purlins are to be arranged to use the standard size or sheet and spacing should not execeed 1680 mm and free over hang at eves should not be more than 400 mm, the cleats shall be wellded to the trusses firmly and fixed on the down stream side of purlins. The ridge purlins fixed at 77 to 115 mm away the apex of the roof. The trusses shall have welded joints only at all guessets plate junctions except gussets at bottom chords to have bolts and nuts to permit transportation of trusses as directed. The foundation anchor bolts of trusses will be fixed in concrete at wall in bed blocks and well cured, labour for erection of trusses of approved quality transportation, priming coat for all members, cutting, bending, and welding etc., The trusses should be connected at bottom 1 / 3 part by steel tie angles and with top and bottom wind bracings as per design given. The chord of the trusses of bottom channel should suitablely cambered. The truss and purlins should be given priming coat of Rex Oxide primer of approved quality including labour for erection, transportation, wellding etc., complete complying with standard specification.

Supplying , fixing and roofing with colour galvalume sheet of 0.47mm thick with all necessary accessories such as J/V bolt and nuts of suitable length with suitable bitumen washers complete complying with standard specification and as directed by the departmental officers.

Supplying, laying and jointing UPVC pipes of Class 5 (having working pressure of 10 kg/ sq.cm) conforming to IS 4985- 2000 of approved quality and best variety of the following dia including cutting and fixing UPVC specials using UPVC adhesives (but excluding cost of such specials) in accordance with IS 7634-3 (2003) and fixing into wall with teak wood plugs, PVC clamps and screws making holes on the wall (or) drilling holes in the roof and making good the dismantled portion to original condition with necessary brick work / cement concrete and plastering neatly wherever necessary with necessary scaffolding charges upto 4 metre height above ground level, etc., complete complying with standard specifications. The UPVC pipes shall be got approved by Executive Engineer before use on works - External Water Supply - Above Ground Level.

32 mm dia UPVC Pipe

25 mm dia UPVC Pipe

Supplying, laying and jointing UPVC pipes of Class 5 (having working pressure of 10 kg/ sq.cm) conforming to IS 4985- 2000 of approved quality and best variety of the following dia including cutting and fixing UPVC specials using UPVC adhesives (but excluding cost of such specials) in accordance with IS 7634-3 (2003) and fixing into wall with teak wood plugs, PVC clamps and screws making holes on the wall (or) drilling holes in the roof and making good the dismantled portion to original condition with necessary brick work / cement concrete and plastering neatly wherever necessary with necessary scaffolding charges upto 4 metre height above ground level, etc., complete complying with standard specifications. The UPVC pipes shall be got approved by Executive Engineer before use on works - External Water Supply - Below Ground Level.

32 mm dia UPVC Pipe

Supplying, laying and jointing UPVC pipes of Class 5 (having working pressure of 10 kg/ sq.cm) conforming to IS 4985- 2000 of approved quality and best variety of the following dia including cutting, and fixing UPVC specials using UPVC adhesives (but excluding cost of such specials) in accordance with IS 7634-3(2003) and fixing into wall with teak wood plugs, PVC clamps and screws making holes on the wall (or) drilling holes in the roof and making good the dismantled portion to original condition with necessary brick work / cement concrete and plastering neatly wherever necessary with necessary scaffolding charges, etc., complete complying with standard specifications. The UPVC pipes shall be got approved by Executive Engineer before use on works. - Internal Water Supply - Above Ground Level.

20 mm dia UPVC Pipe

Supplying UPVC Specials in water supply arrangements (both in internal and external water supply arrangements.

32 mm dia UPVC Union

25 mm dia UPVC Union

20 mm dia UPVC Union

32 mm dia UPVC Bend

25 mm dia UPVC Bend

20 mm dia UPVC Bend

32 mm dia UPVC Elbow

25 mm dia UPVC Elbow

20 mm dia UPVC Elbow

Supplying and fixing in position best quality PVC soil / waste pipes of various dia having 6 kg / sq.cm. pressure BIS mark and providing leak proof joints using PVC adhesives including fixing to the wall with special PVC / MS clamp, teak wood plugs, brass screws, etc., and making connection to all sanitary fittings, dismantling masonry / RCC works wherever found necessary and making the good dismantled portion to the original condition, including testing for any leakages, etc., complete complying with standard specifications. (The PVC pipes should be got approved by the Executive Engineer before use on works). The rate for earth work excavation will be measured and paid separately in the cases where the pipe lines are proposed to laid below ground level.

75 mm dia PVC Soil Waste Pipe

Supplying and fixing in position PVC specials of the following dia and types of approved quality confirming to BIS and providing leak proof joints including fixing to the walls and giving connection to the PVC soil stacks, dismantling the masonry or RCC works and redoing the dismantled portion to original condition etc., complete complying with standard specifications. (The PVC specials should be got approved by the Executive Engineer before use on works).

110 mm dia PVC Elbow

75 mm dia PVC Elbow

110 mm dia PVC Tee

75 mm dia PVC Tee

110 mm dia PVC Bend

75 mm dia PVC Bend

Supplying and fixing in position best quality approved make white glazed earthernwere sink of size of 600 x 450 x 200mm including cost of 32mm dia CP waste coupling, 32mm dia PVC waste pipe with rubber plug and chain, 15mm dia brass nipple including fixing the sink in position and testing for leakages etc., complete complying with standard specifications excluding CI brackets. [The sink and specials should be got approved by the Executive Engineer before use on works]

Supplying and fixing position PVC Nahani Trap / Floor Trap of the 100 x 75mm sizes with best PVC gratings of approved brand and quality, fixed over a bed of brick jelly lime concrete 1:2:5 (One part of lime, two part of crushed stone sandand five part of 40mm gauge brick jelly) and finished with Cement Mortar 1:3 (One Cement, Three sand) including dismantling masonry works wherever found necessary and making good the dismantled portions to the original condition and giving connection to the CI / PVC pipes, etc., complete complying with standard specification. (The Nahani Trap should be got approved by the Executive Engineer before use on works)

Supplying, fixing of cylindrical vertical notational polythene water storage tank of 2000 litres capacity confirming to I S. 12701 / 96. the tank is meant for outer (or) indoor, use complete with removable hinged top locking arrangements and to make provision to fix with simply pipe lines necessary manhole with cover and including all PVC specials, plugs, screws, nails to fix the tank etc., and the tank should be fixed firmly as directed. The rate shall inclusive of all materials labour, conveyance, hoistings and fixing charges etc., (The water tank should be got approved by the Executive Engineer before use on works by the Departmental Officers.)

Supplying and fixing in position 15mm dia brass CP screw down tap (heavy duty) of approved make conforming to BIS specifications and quality including cost of shellac, thread, etc., complete complying with standard specification and including cutting and threading wherever necessary. (Taps should be got approved by the Executive Engineer before use on the works)

Providing Pre construction Anti termite treatment for the building including all chemicals as per standard specifications. Labour charges for preparing the areas for treatment spraying chemicals and other incidential charges etc., complete. The rate shall be inclusive of giving anti-termite treatment to the building for the following four stages including breaking the termite mounds making holes with crow bars at an intervel of 12"to a depth of 8" in the periphery of building and pouring chemicals etc., complete as per ISI 6313-1981 and. The antitermite chemicals used should have 0.5% concentration with 3L solution for the entire operation etc. as directed by the Engineer incharge and including cost of chemicals labour transportion etc, Stage:1 Spraying Anti-termite treatement chemicals solution for the foundation before laying the foundation concrete bottom and sides of the foundation. Stage:2 Spraying anti-termite chemicals solution to the grade beams level spraying has to be done for the grade beams brick masonry in the superstructure in contact with back fill earth. Stage:3 Spraying anti-termite chemicals solution on sand for the flooring before laying the flooring concrete. The treatment has to be carried out on the sand filling the basement after leveling operation is over.

Stage:4 Spraying anti-termite chemicals solution around the building outside of the building by making crow bar holes at an intervel of 12" to a depth of 8" around the building before laying the plinth projection. This holes has to be be closed after the treatment.

Supply and fixing of stored pressure ABC (Mono Ammonium Phospate) Powder Type Fire Extinguisher of 6 kg. capacity as per IS:15683 with pressure gauge, discharge hose & control nozzle, wall mounting bracket, safety clip etc., including conveyance, all incidental charges, neccessary scaffolding and re-doing the dismantled portions to its original condition wherever found neccessary etc, complete as per standard specification and as directed by the Departmental Officers. Make: EXCELLENT / SAFETY FIRST / EQUIVALENT

Supply and fixing of Carbon-di-Oxide Gas Type 2 kg. capacity Fire Extinguisher as per New IS15683, complete with control valve, discharge hose with horn, wall mounting bracket, safety clip etc., including conveyance, all incidental charges, neccessary scaffolding and re-doing the dismantled portions to its original condition wherever found neccessary etc., complete as per standard specification and as directed by the Departmental Officers. Make: EXCELLENT / SAFETY FIRST / EQUIVALENT

Plain Cement Concrete 1:2:4 (one cement, two crushed stone sand and four hard broken stone jelly) using 10-12 mm jelly for wearing coat including laying, compacting, finishing and curing, etc., complete as per standard specificatins and as directed by the departmental officers.- Mixing by manual means

S.K.N Constructions (BID ID -1543119)

Rajasekar (BID ID -1543309)