Z.O.1.C.No.B2/1155/2025

Earth work Open excavation by Mechanical Means for Open Earthwork in all soils and sub- soils and to full depth as may be directed except in rock requiring blasting in clusive 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. (Excluding Refilling)

Supplying and filling in foundation, basement, etc with filling crushed stone dust (Quarry 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 1:3:6 (One Cement, Three crushed stone sand and Six broken stone jelly) using 40mm size hard broken stone jelly excluding cost of centering shuttering reinforcement grills and fabrication charges but including curing etc. complete and as directed by the departmental officers. - Mixing by mechanical means

Providing and laying in position, standardised concrete Mix M-20 Grade using In-situ Concrete batching plant/ Ready Mix Concrete (RMC) adopting weigh 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 1012mm 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 Conveyance of concrete from batching plant to Work site, Electricity charges and other works & labour cost involved for concrete production, 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

Plastering the surface of walls with Cement Mortar 1:4 (One cement and Four 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. (Wall)

Painting New Plastered Wall Surface with Two finishing coats of ready mixed (Emulsion) of approved quality and colour over one coat priming coat in all floors including the cost of primer 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.)

Paving the floor with best quality vitrified Tiles (Nano polished 600x600x8mm) of following 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)

Supplying and fixing in position best quality and approved make Indian made white /colour glazed earthernware wash hand basin of size 550 x 400mm (with pedestal/ without pedestal) with a pair of cast iron brackets, including cost 15mm dia brass CP pillar tap, 32mm dia “B” class GI waste pipe with rubber plug and chain, 15mm dia GM wheel valve, 15mm brass nipple, 15mm dia nylone connection, 32mm dia CP brass waste coupling including fixing of wash basin using CI brackets on to the wall in position with TW plugs and screws, rubber washers, white lead and giving necessary water supply connection and painting the brackets with two coat of painting over a priming coat of anti-corrosive paint including testing for leakages etc., complete complying with standard specification and as directed by the departmental officers. (The wash hand basin and specials should be got approved by the Executive Engineer before use on works).White Glazed Wash Hand Basin - without pedestal

UPVC Window Specification: Supplying and fixing UPVC (Un- Plasticized Polyvinyl Chloride) Windows of casement type (open) from the profile the size of outer frame 60mm x 58mm and shutter profile are reinforcement with GI/1mm 125GSM and 100% corrosion free, the profiles are multi chambered sections with wall thick of 2mm. The EPDM rubber (black colour) covered with over all the edges of frame and shutter the shutter will be provided with Espag multi power point locks and also it operates as handle. The corners and joints should be welded and cleaned. Radiations free pin headed plain or brown colour glass 4mm thick should be provided to the shutter and it should not allow leakage of water even at most ranging storms and should have key lockable action, security protective hinges, strong locking systems and as per size for arresting noise and energy loss. The connecting mechanism between sash and outer frame that enables opening of the window. The window should be fixed to the wall with 100% packing with screws and silicon packing all round the frames. The window should be got approved from the Executive Engineer before use on work

Providing UPVC (Un- Plasticized Polyvinyl Chloride) Door: Providing and fixing casement doors fabricated from un-plasticized polyvinyl chloride (uPVC) sections. Profiles: The profiles should be three chamber system which provides high insulation properties with outer frame 60mm x 55mm with an outer wall thickness of 2.4mm. The window unit should be designed with all corner joints mitred and fusion welded. Windows should be steel reinforced with 25 x 24 x 25mm steel reinforcement with a thickness of 1mm to have dimensional stability. The sash should be of 60 x 102mm. The mullion should be of 60 x 74mm. The profiles should have co-extruded seals. Hardware: All the hardware like friction stays, handles should be screwed with self tapping screws. The handles, locks should be designed so that they cannot be released from outside. Glazing: The window system should be glazed with 5mm plain float glass / 6mm bison lam Installation: The profiles should be cut to length and welded 45 degrees. The window should be designed such that the water drainage does not pass through the reinforcement chamber. The window system should be fixed directly to the plastered brick wall using self expanding nylon plug and driving ms electroplated screws into plug.

Supplying and fixing in position 15mm dia brass CP screw down tap / Pillar tap/ Swan neck 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) Pillar Tap

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 110mm

Cost of supply of 18w 4 feet LED fitting with LED tube complete set (Patty and LED tube)

Construction of INSPECTION CHAMBER following clear sizes including earth work excavation, CC 1:5:10 of 10 cm thick and brick work in Cement Mortar 1:5 [One cement and Five sand] using best quality of Clay burnt Bricks of size 9” x 43/8” x 23/4” with Class designation of 7.5 and Plastering with Cement Mortar 1:3 [One Cement and Three Plastering Sand] 12 mm thick to inner and outer sides and wearing coat 1:3:6 [One Cement, Three crushed stone sand and Six Aggregate] 15 cm thick and covered with precast slab 5 cm thick etc., complete complying as directed by the departmental officers as per standard specification. CLEAR SIZE 0.60 X 0.60

Wiring with 2 x 1.5 sq.mm. PVC insulated SC unsheathed FRLS copper conductor cable of 1100V grade in suitable PVC rigid pipe on wall and ceiling with PVC accessories with TW switch box inflush with wall with 5A FT switch covered with hylum sheet of 3mm thick with painting of suitable colour with continuous earth wire connection of 1.5 sq.mm copper wire for open PVC light point / fan point (for electronic regulator)

Wiring with 2 x 4 sq.mm. PVC insulated SC unsheathed FRLS copper conductor cable of 1100V grade in suitable PVC rigid pipe concealed in wall and ceiling with PVC accessories in flush with wall with 150mm x 100mm x 113mm TW switch box with 3mm thick hylem sheet for 15A 3 pin non inter locking wall socket with 15A flush type switch with continuous earth wire connection of 4 sq.mm copper wire and making good of the concealed portion with suitable colour for concealed power plug point

Supply of 16" ( 400mm ) sweep size WALL MOUNTING FAN

Supply & installation of Split type 2 TON Air conditioner ( 5 Star rating )

Labour charges for Drilling /Boring towards provide under reamed cast in situ pile of 250mm dia to a depth of 0m to 4.50m depth from the Existing Ground level with single bulb including cost of machinary, labour charges and other materials required etc..complete complying with the standard specification and as directed by the departmental officers. ( Concrete and Steel reinforcement shall be measured and paid seperately )

Drilling of borewell anywhere in Chennai including transportation from one place to another place within Chennai in alluvial soil or sedimentary strata of clay and sand or sand, stone, shale, pebbles, boulders etc., by first taking a pilot bore of 140 mm/150mm dia and then enlarging to required dia by direct or reverse rotatry mud and circulation method using Contractor’s rig, fuel, labour, drilling, betonite mud and water required for drilling at the site shown by the Department Officers including construction of mud pit (only Calyx drills are to be used). Drilling 140 / 150 mm dia Pilot Bore upto 60 m depth ending below ground level

Special Blue Slotted Pipes for Bore Wells 110mm dia

Special Blue Pipes for Bore Well 110mm dia

Providing and Fixing of polyurethane foam for Sloped roofas thermal insulation panels or Sandwich insulated panels with external 0.50mm total coated thickness pre painted Galvalume sheet with trapezoidal roofing profile having crest height of 38mm at every 333mm span, whereas internal 0.50mm total coated thickness pre painted galvanized iron sheet with micro ribbed profile and the insulation material will be chlorofluoro carbon and hydro chlorofluoro carbon free, high performance rigid polyurethane foam (PUF) conforming to IS 12436 having density not less than 40±2Kg/M3, Thermal conductivity (K-Value) 0.024 W/m.K measured at 10 degree C mean temperature along with necessary flashings such as L flashing, C flashing etc& accessories such as screws ,fastners ,sealants etc for fixing the panel etc., complete complying with standard specification. - 120mm(+38mm) thick PUF roof panel

Providing and Fixing of polyurethane foam as External Wall Thermal insulation panels or Sandwich insulated panels with external 0.50mm total coated thickness pre painted galvalume sheet with micro ribbed profile, whereas internal 0.50mm total coated thickness pre painted galvanized iron sheet with micro ribbed profile and the insulation material will be chlorofluoro carbon and hydro chlorofluoro carbon free, high performance rigid polyurethane foam (PUF) conforming to IS 12436 having density not less than 40±2Kg/M3, Thermal conductivity (K-Value) 0.024 W/m.K measured at 10 degree C mean temperature along with necessary flashings such as L flashing, C flashing etc& accessories such as screws, fastners, sealants etc for fixing the panel etc., complete complying with standard specification. - 120mm thick PUF external wall panel

Brick work in following Cement Mortar using best quality Burnt Clay Brick of size 9” x 4 3/8” x 2 3/4” with class designation of 10 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. In Cement Morter 1:3

MS Channel Section (ISMC 100)

Iron works for trusess and record racks (labour only)

Dismantling - Brick / Stone Masonry in lime mortar walls under 3m high

Supply, fabrication and fixing of MS Channel for Mounting the Airconditioning Oudoor Unit

PLUG AND SOCKETS IN SHEET STEEL ENCLOSURE WITHOUT MCBs - HIGHER END - 20A Single Pole

MINIATURE CIRCUIT BREAKERS 240 V / 415V 50HZ - AC SUPPLY SUITABLE FOR BOTH LIGHTING AND MOTOR CIRCUITS - LOWER END - Single Pole & Neutral 40A, 10KA

1.5 HP Jet Pump Set

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. For laying UPVC pipes of dia 20m

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. For laying UPVC pipes of dia 40mm

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. For laying UPVC pipes of dia 25mm

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