Civil Work

Amount

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 filling 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.

Supplying and filling in foundation, basement, etc with crushed 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.

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

Cement Concrete 1:5:10 (One Cement, Five 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 curing etc. complete complying with standard specification

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. (Payment for centering shall be given after the concrete is laid)

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. (Payment for centering shall be given after the concrete is laid)

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:456-2000, using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 325 kg/mᶾ 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 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).

In foundation and basement

In Ground floor

In First Floor

In Second Floor

In Third 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)

Brick work in following Cement Mortar 1:5 using best quality Fly ash bricks of size 230 x110 x 70mm for foundation and basement including curing, etc., complete complying with standard specification.

In Cement Mortar 1:5 (one cement and six sand) Foundation & Basement

Brick work in following Cement Mortar 1:6 using best quality Fly ash bricks of size 230 x110 x 70mm for foundation and basement including curing, etc., complete complying with standard specification.

In Cement Mortar 1:6 (one cement and six sand) for Super Structure in GF

In Cement Mortar 1:6 (one cement and six sand) for Super Structure in FF

In Cement Mortar 1:6 (one cement and six sand) for Super Structure in SF

In Cement Mortar 1:6 (one cement and six sand) for Super Structure in TF

Brick partition walls of following thickness using best quality fly ash bricks of size 230x110x70mm 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)

7 cm thick

In Ground Floor

In First Floor

In Second Floor

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.

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 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

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 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.

Using Fine polished Kota Stone Slab above 600 x 600 of 18 / 20mm size

Paving the floor with pre-polished concrete anti-skid 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 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 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 directed. 40mm thick

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 necessry 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.

110 mm dia (In building with ground floor only)

Plastering with Cement Mortar 1:5 (One Cement and five Sand) 12mm thick including finsihing, curing, etc., complete in all floors complying with standard specification and as directed.

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 hacking the surfaces, providing cement mortar nosing, beading for sunshades, staircases, steps, landing slabs and curing, etc., in all floors 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 (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. (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).

Supply and Installation of Ceramic writing Board of size 3.60m x 1.20m made on steel core the long lasting porcelain is fused at temperatures up to 800 c. with this process a scratch and stain resistant surface is created and becomes smooth and erasing free of "Ghost lines" virtually maintenance free, this chalk board never acquires. "chalking in" and total cleaning is accomplished with clear water the writing surface will not crack peel even when solvents are use to remove crayon, paint or other foreign substances highly versatile, the entire writing area can become a display board with the help of magnetic buttons. The boards are made of 0.4mm ceramic on steel writing surface 9mm MDF, 0.2mm, GI sheet. The above three materials sandwiched with rubber based.

Supplying and fixing of M.S.grill of approved design for grill gate, grill work to doors and windows openings ramp etc., using necessary mild steel flats for inner and outer members which should be fixed on edges including priming coat of best approved quality red oxide primer etc., complete complying with standard specification.

Fabrication, supplying and fixing of Steel door made out of 40 x 40 x 6mm M.S angle section for outer frame and shutter made out of 35 x 35 x 5mm M.S angle section with necessary stiffner 32 x 6 mm flats not exceeding at 30cm intervals and necessary cross diagonal M.S flat of size 32 x 6mm. A tie bar of 32 x 6mm M.S flat is used in bottom of frame in order to avoid twisting of door frame. The shutter frame shall be fully covered by 18 gauge C.R.CA sheet and provided. A tiebar isprovided at the bottom of the outer frame toprrevent twisting of frame during transportationand fixing. All members should be given one costof materials labour charges and all incidentialcharges and fixing charges.

Single Leaf

Double leaves

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 1.419 kg / m and mullion 'J' Section (F4B) of size 46 x 25 x 3mm at 2.28 kg/m and shutter section of made of F7D of 33 x 25 x 3mm 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 18 x 5mm MS Flat at 0.70 kg/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 sturdy hinges and one number of handle-cum-latch of special type made with 18 x 5mm 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 adjustabloe 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 120mm length spliced at the ends are welded to the outer frame of the Window by using MS Flat of 18 x 5mm at 0.70 kg/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 interval 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.

Three leaves

Manufacturing,supplying and fixing mild steel emergency door of size 1.20mx2.10m made out of MS angle of size [email protected] kg/m for outer frame and MS angle of size [email protected] kg/m for shutter frame to be provided for a height of 0.80 m from bottom. The bottom portion of 0.80x1.20m is to be provided with two openable shutters using 18 gauge CR sheets of best quality. These shutter panels should be stiffenend using MS flats of 18X5mm diagonally. One aldrop is provided at the centre. Each Window shutter having an adjustabloe 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 120mm length spliced at the ends are welded to the outer frame of the Window by using MS Flat of 18 x 5mm at 0.70 kg/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 interval 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 officersThe rate including cost of materials, labour, transportation to the site etc., complete and as directed by the Deptl. officers.

Manufacturing, supplying and fixing in positon of RCC Jally of 5cm thick in cement concrete 1:2:4 using 20mm machine crushed stone jelly (excluding cost of reinforcement steel) including cost of mould, finishing, curing, lifting, fixing in position etc., complete complying with standard specification and as directed

Providing rain water arrangements by earthwork excavation in loose or hard soil to a depth of 90 cm and 100cm diameter and filled with 40 mm brick jelly to full depth and RCC well rings of 90 cm dia to adepth of 1.20 m and covering the top with precast slab of 75mm thick etc. complete

Providing Anti-termite treatment to soil adjecent and under building foundation, plinth periphery of the building by application of chemicals of IS 6313 Part I to IV in stages to suit the progress of work consist as per the detailed specification as below (Measurements taken for the plinth area for the purpose of payment) including breaking of termite mounds, making holes with crow bar, closing the holes after the treatment and including cost of chemicals, labour charges, transport and storing, etc., complete and as directed by the departmental officers. (The chemical should be got approved by Executive Engineer before use on work). Stage-1: Spraying anti-termite chemical solution for the foundation before laying concrete, in bottom and sides of foundation. Stage-2: Spraying anti-termite chemical solution to the grade beam level, spraying has to done for the grade beam, brick masonry contact with the back fill earth. Stage-3: Spraying anti-termite chemical solution on the sand for the flooring before laying the flooring concrete. This treatment has to be carried out on the sand filling by making holes with crow bar to a depth of 60cms and at 60cms intervals on both direction and at junction of wall and flooring thoroughout. Stage-4: Spraying anti-termite chemical solution alround building outside by making holes through bar before laying plinth protection and the holes to be closed after the treatment .

Providing,laying spreading and compacting graded stone aggregate to wet mix macadem specification premixing the materials with water at optimum moisture content in mechanical mix plant carriage of mixed materials by tipper to site laying in uniform layers with pavers in sub base/base course on well prepared surface and compacting with vibratory roller to achieve the desired density etccomplete as per clause 406 morth rev-5 specification

Supplying and laying hydraulic pressed monolithic natural grey colour cement concrete inter locking paver block of 83mm thick, in cement concrete 1:2:4 (one cement, two sand, four aggregate) using difference design and with stand for pressure of 150 - 200 kg/m2 over the existing sand cushion by using earth rambers and also vibratting the concrete blocks often laying using plate vibrators etc, complete as directed by the departmental officers.

Manufacturing, Supplying and Fixing of Stainless Steel Hand rails for staircase using 50mm dia 304L Grade Stainless Steel pipe of 1.60mm thick at required locations to a height of 900mm from finished floor level welded to 38mm dia Stainless Steel pipe post of 1.00mm thick as vertical at 900mm centre with 2 Nos. of 25mm dia intermediate horizontal stainless steel pipe of 1.60mm thick in between. The vertical pipe has to be welded to the 100 X 100 X 6mm MS base plate encased in the base concrete. The rate is inclusive of the charges for cutting, bending, welding, grinding, polishing, conveyance, electrical charges, etc. complete

Supplying and painting the walls with two coats of Interior emulsion paint as instructed by the departmental officers including preparation of surface curing, etc., complete in all floors complying with standard specifications

Supplying and painting the walls with two coats of Exterior emulsion paint as instructed by the departmental officers including preparation of surface curing, etc., complete in all floors complying with standard specifications

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.

Drilling of borewells any where in kancheepuram and Tiruvallur district including transportion from one place to another in alluvial soil sedimentary strat of clay and sand stone shale pebbles, boulders, etc. by first taking a pilot bore of 150 mm dia and the enlarging to required dia by direct or reverse rotary mud circulation method, using fuel, labour drilling and water required for drilling at the site shown by the officers including construction of mud pit.

Reaming from 140mm/200mm dia pilot bore to 300mm dia bore as directed by the departmental officers upto 6m depth ending below GL

Supplying unplasticised ribbed screwed PVC casing pipes without slot of pressure 6 KG/m2 in the drilled hole of the following dia 3 m length with screwed and socket ends and cantering ruide for every 15 m length of pipes as per ISI 12818/1992 including welding the joints supplying and pouting the annular space with pebbles of size and quality etc, complete

160mm dia plain PVC casing pipe Plain (cs)

160mm dia plain PVC casing pipe Slotted

Labour charges for inserting 165mm dia PVC casing pipes assembly (with slot or without slots ) in the drilled hole including jointing the pipe with PVC coupler and with cement paste etc. complete and supported and packed the annular space with pebbles of size and quality is approved by the EE. The conveyance charges to work site to be born by the contractor)

Charges for developing the borewell for entire depth with suitable air compressor of 300RPM capacity (minimum 8hrs) including transportation labour and fuel charges for compressor and directed by the departmental officers and conducting yield test by 'V' notch method

Supplying and fixing of HDPE Hose of 40mm dia for Submersible pump including fixing etc complete complying with standard specification and as directed by the departmental officers.

Supplying and run of 2 of 7/20 PVC sheathed Aluminium cable with polythene wire 10 gauge stay wire etc complete complying with standard specification and as directed by the departmental officers.

Supplying and fixing of 20mm dia Nylon rope for submersible motor of approved quality in etc,complete complying with standard specifications.

Supplying and fixing of 3HP of approved brand Submersible Pump with accessories of starter, Main Switch, Panel Board etc. complete to suit the need (The pump ste should be got approved by the EE before supply)

Supplying and fixing in position PVC end Cape for bore well of 160mm dia etc, and as directed by the departmental officers.

Supplying, laying and jointing PVC pipes (having working pressure 10 kg. / sq.cm) of approved quality and best variety conforming to BIS of the following dia including cutting, threading and fixing PVC specials using PVC adhesives (but excluding cost of such specials) 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 PVC pipes shall be got approved by Executive Engineer before use on works.

Supplying and fixing in position first quality and approved variety of 25mm dia Gun metal Gate Valve / Wheel Valve with BIS make of the following dia including cost of shellac, thread balls, etc., complete complying with standard specifications (for both internal and external water supply arrangements). The valves to be used on work shall be got approved by the Executive Engineer before use on work.

Supplying and fixing PVC sintex tank 1000 litre approved quality with ISI mark including conveyance, labour charges for fixing in position etc, complete.

Supply and fixing of stored pressure ABC (Mono Ammonium Phosphate) 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, necessary scafolding and re-doing the dismantled portions to its original condition wherever found necessary etc, complete as per standard specification and as directed by the Departmental officers. Make: EXCELLENT / SAFETY FIRST / EQUIVALENT.

GST at 18%

B JOTHEESWARAN (BID ID -1186978)