Special repairs to Compound wall and toilet in Primary Health centre at Kooram, Kancheepuram District

Amount

Dismantling clearing away and carfuly stacking materials useful for reuse the existing Floor finish & dadooing walls in cement mortar with Mosaic Tiles / Glazed Tiles / Clay Tiles / Cuddapah Slabs etc. complete as per the standard specification

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 nec- essary 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 speci- fication and as directed by the departmental officers.- Upto 2.40m Footing Depth. Data worked out for 48 m3 per day/8 hrs.

Renewing and filling in foundation, basement, etc with filling crushed stone 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 1:5:10 (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

Renewing 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).

Renewing 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).

Providing and laying in position, Standardised Concrete Mix M-25 Grade by insitu machine mix concrete adopting weighing batch method 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 350 kglm3 and maximum water cement ratio of 0.50, including admixture (plasticiser / superplasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5.0 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

In Ground floor super structure

Renewing, 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 foundation and basement

In Ground floor super structure

Re -Paving pre-polished concrete anti-skid step tiles (Required shape and design) of 20mm thick of approved quality and colour laid in accordance with IS 1443 in Cement Mortar 1:3 (One Cement and Three crushed stone sand), with required Cement Slurry and Mortar Plasticizer, 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)

Flooring with ceramic tiles of size 305x305x6mm and variety conforming to IS 15622 laid over cement mortar bed of 20 mm thick in cement mortar 1:3 (One Cement and Three crushed stone Sand) with required Cement Slurry and Mortar Plasticizer including cutting the tiles to the required size with special cutter wherever necessary, laying in position and pointing with Water Resistant Tile Epoxy Grout at the rate of 0.27 Kg. / sq.m. 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)

Brick work in Cement Mortar 1:6, using best quality Fly ash Brick of size 230x110x75mm with class designation of 7.50 conforming to IS 13757-1993 or IS 12894-2002 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.

In Ground floor super structure

Brick partition walls of 11.50cm thickness using best quality using Fly Ash Bricks of 230 x 110 x 70mm size conforming to IS: 12894-1989 Class designation not less 50 kg./ sq.cm. average compressive strength in cement mortar 1:5 for load bearing structures for foundation and basement and for superstructure including curing, etc., complete complying with standard specifiction. (Hoop iron reinforcement will be measured and paid for separately)

In Ground floor super structure

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.

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

Easaning the Doors & windows removing and refining including Furniture fittings etc, complete.

Renewing, fabricating and fixing in position of Aluminium powder coated colour matt finish of double leaves door with half panelled with 12mm thick bothside prelaminated partile board at bottom and half glazed using 5.50mm thick Plain glass at top.The outer frame shall be with aluminium box section 101.60x44.45x3.18m at 2.319kg/m and Shutter frame made of section-Vertical &Top rail: 50x44.45x2.50mm @ 1.292 kg/m and Bottom rail : 100 x 44.45 x 2.50mm @ 1.974 kg /m , Lock rail : 50x44.45x2.5mm @ 1.292 kg/m,Alu. Clips: 17.15x17.27x1.50mm @ 0.176 kg/m Alu. Handle: 100x30mm @ 0.988 kg/m and necessary accessories such as aluminium clips, rubber beading, PVC felt, handle for a length of shutter (both sides), locking arrangements, furniture fittings such as aluminium tower bolts-250x12mm - 2 Nos., aluminium tower bolt 200x12mm - 1No., aluminium Hydraulic door closer - 2Nos ., lock-1No., Door stopper with rubber bush including cost of materials, labour charges and power consumption charges required for fabrication including chipping, dismantling and making hole to the required extent in RCC column, beam masonry with power drill wherever necessary and redoing the damaged portion to the original condition afterfixing etc. complete complying with standard specification and as directed by the deparmental officers.. All the Alu. sections are to be anodised with matt finish under electically contolled condition in accordance with IS 1868/1962 for an average anodic film thickness of 15 microns etc., complete.Aluminium sections,and furniture fittings shall be got approved by the Executive Engineer incharge.

Renewing and fixing of Solid PVC door shutters with frame using 19 Gauge 19mm MS square tubes for styles and outer frames. 15mm MS square tubes for top, lock and bottom rails. The steel tubes shall be covered with 5mm thick solid PVC sheets. Shutter using 5mm thick solid PVC sheets for panelling shall rigidly fixed in position including necessary furniture and fittings. The over all size of styles shall be 50mm x 30mm. The over all size of top rail, Lock rail and bottom rail shall be 75mm x 30mm. The over all size of frames shall be 50mm x 45mm, with suitable rabate for housing the shutter. Solid panel PVC door with frame

Renewing and fixing in position white glazed European Water Closet of best quality and approved make with 100 mm “P” or “S” trap connecting with CI pipe of 100mm dia / PVC pipe of 110mm dia, double flapped rigid PVC black seat and seat cover with CP brass hinges including cost of white cement, cement for packing, spun yarn, teak wood plugs, brass screws, etc., including Renewing and fixing 10 litres capacity PVC / 12.5 litres capacity porcelin low level flushing tank with a pair of CI brackets, etc., complete with all fittings such as 15mm brass ball valve with polythene float with brass handle, union, coupling connected by means of 40mm white PVC flush hand using Indian adopter joint including all internal fittings such as 15mm brass connections, 15mm GM wheel valve, 15mm brass nipple (2 Nos.), 15mm nylon connection, TW plugs, screws and also giving necessary connection to the PVC pipe including cost of 600mm length of 110mm dia PVC pipe and painting the CI brackets with 2 coats of approved paint over one coat of red oxide primer, dismantling the masonry and re-doing the dismantled masonry to original condition etc. complete complying with standard specifications. (The EWC and flushing tank wiht all accessories should be got approved by the Executive Enginer before use on works)

Renewing 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

110mm dia PVC Soil waste pipe

Renewing, laying and jointing UPVC pipes of Class 6 (having working pressure of 12.50 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 PVC pipes shall be got approved by Executive Engineer before use on works - Internal water supply above ground level.

20 mm dia UPVC Pipe

Renewing and fixing in position 15mm dia brass CP screw down tap / Pillar 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)

15mm dia Swan Neck Tap

15mm dia CP screw down tap

Providing and fixing CP two-way bib cock with chrome finish and heavy-duty brass body, suitable for wall mounting. Includes one outlet for regular use and one for connecting a health faucet. Health faucet with 1m SS hose and wall hook shall be provided. All fittings shall be ISI-marked, leak-proof, and corrosion-resistant. Rate includes supply, fixing, testing, and as directed by departmental officers.

Painting the walls with two coats of cement paint over one coat of cement primer as instructed by the departmental officers including preparation of surface curing, etc., complete in all floors complying with standard specifications and as directed by the departmental officers. (The colour and shade of the cement paint shall be got approved by the Executive Engineer before use of work).

Painting Old Plastered Wall Surface with Two finishing coats of ready mixed (Emulsion) of approved quality and colour over the existing wall in all floors 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.)

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.)

Painting Art works scuch as logo & Letters with Acrylic paint of first class quality including thorough scrapping, clean removal of dirt, and including necessary plaster of paris putty, wherever required etc., complete complying with standard specification.

Manufacturing, Renewing 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 6mmMS 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

Levelling the uneven surfaces by removing the heaps of earth etc., by plugging out the tree trunk with roots below the ground level and removing the bushes using JCB Machinery etc., complete complying with standard spefication and as directed by the departmental officers.

Renewing and laying of Interlocking Paver Block Stone 80mm thick Over a base layer of crushed stone sandfilling incl. Cost of materials laying and Labour charges etc complete complying with the standard specification and as directed by the departmental officers.

S.ANBU (BID ID -1484508)