Special repairs to leaky roof, toilets, water supply, sanitary arrangements and other repairs in Government College Boys Hostel at Kancheepuram

Amount

Dismantling, clearing away and carefully stacking materials useful for re-use for Pressed tiles & weathering course as directed by the departmental officers.

Dismantling, clearing away and carefully stacking materials useful for re-use for any thickness of plain cement concrete as directed by the departmental officers.

Dismantling, clearing away and carefully stacking materials useful for re-use for any thickness of walls Brick / stone masonry in Cement mortar walls under 3m high as directed by the departmental officers.

Clean removal of cement plaster from walls and ceilings etc complete

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 manual means

Paving the floor with best approved quality fine polished Kota stone slabs of size 600 x 600 and above 20mm thick with machine cut edges laid over a cement mortar bed of 20mm thick using cement mortar 1:3 (One cement and three crushed stone sand) with required Cement Slurry and Mortar Plasticizer fixing the slabs in true right angles with minimum possible width of joints and pointing the joints with white cement mixed with mathcing colouring pigments and polishing with floor polisher to a high degree of finish etc., complete 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 Matt finish Vitrified Tiles of size 600 x 600 x 8mm in all floors over a base layer of cement mortar 1:3 (One Cement and Three M-sand) 20mm thick and pointing with the same coloured cement neatly and fixed in position so as to make it perfectly smooth and shining to the alignment etc., complete complying with standard specification and as direted by the departmental officers. (The sample of colour and shade of the ceramic tiles should be got approved by Executive Engineer before use on works)

Dadooing walls printed design colour glazed tiles of size and veraity best approved quality, white / colour glazed tiles conforming to IS 15622 of 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)

Paving the floor with best quality Double Charged Vitrified Tiles 600 x 600 x 8mm 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)

Weathering course in brick jelly lime concrete using broken brick jelly of size 20mm uniform gauge in pure slaked lime (no crushed stone 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 following size of approved quality set in Cement Mortar 1:3 (One Cement and Three Crushed stone 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.

Pointing with Cement Mortar 1:3 to Full Depth of Tiles (Marble Slabs, Pressed Tiles, Ornamental Tiles) , etc., complete complying as per the standard specifications

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 and as directed by the departmental officers.

Providing and Applying high strength, hybrid polyurethane Waterproofing coating which is two component, cold applied, water based acrylic and UV resistant water proofing treatment to the Existing Roof screed surface applied @ 1.6 L/m2 in 3 coats to achieve 1mm DFT, having tensile strength with 45 gsm glass fibre mesh 10N/mm2 , Elongation ≥ 200%, confirming to ASTM D 2370; Abrasion resistance 15mg confirming to ASTM D 4060 and Crack bridging ability up to 3 mm, including surface preparation, ensure surface in SSD condition for first coat and spreading 45 gsm glass fibre mesh of 2.5 mm x 2.5 mm sandwiched between the first and second coat completely as per specification. The finished cost to include surface preparation, making coving at Junction, treatment of cracks completely as per specification.

Brick work in Cement Mortar 1:6 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.

In Ground floor

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.

Chipping and removing the existing delaminated portion of the concrete surface such as beams columns, ceiling etc.,to the required depth and exposting the rods and dismantled area shall be thoroughly cleaned using sand plaster and wash the surface and steel rebars to remove ball loose particles and additional reinforcement be provided if required and bnoth the existing and new reinforcemnt rods shall be provided with two coats of TEC BEAT ZR Exit Zinc Rich reinforcement Coating system and Mixing and applying mineral based cementations bonding coat Tec bond SBR by brush to the revetted treatment surface and applying coarse repair mortar (Cement mortar mixed with chips) Mixed with the Tec proposal 300 finally guiting the cement mortar 1:3 over the required area by using 7Kg.(100psi) working pressure of air compressor and cement plastering in CM 1:4 mixed with Tec proposal 300 and Tec cure WB shall be applied as curing membrane etc.,complete complying with standard specification and as directed by the departmental officer.

Easing the existing over hanging doors and windows including nerewing frame its position and refixing the same after attending petty repair works including for wrough and putup in position fixing necessary furniture excluding cost of aurniture etc., complete complying with standard specification as directed by the departmental officers at site of work.

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.

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 by the departmental officers.

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)

Supplying and fixing fine polished cuddapah slab of 38/40mm 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 by the departmental officers

Supplying and erecting in position of 50 liters capacity Industrial Model Reverse Osmosis Water-cum- Purifier to deliver Potable Water with World Health Organisation (WHO) Standards with following accessories. (a) MS Skid - 1 No. (b) Media 11054 No. Vessel with 20 nb Multiport Valve (with Media Pubble and Fine Sand and Activated Carbon Filling) set (c) Feed Pump 0.50 HP – 1 No. (d) Vertical Pump 2-9, 2.00 HP / Single Phase – 1 No. (e) Membrane 40 x 40 filmtech (or) equilaents / Osmonic (USA) - 1 No. and Membrane Pressure Vessel 40 x 40 -1 No. & Pressure Gauge - 2 Nos. (f) Flow Meter - 1 No. 20” Filter with Housing - 1 No. Low Pressure Switch - 1 No., Level Switch - 1 No. & Necessary CPVC Pipes and Fittings. The system shall be provide with Two Panel Control System with necessary Stainless Valves and Fittings and Float Control etc. The rate should be inclusive of all civil works, wherever necessary to install the System in position and intact

Supplying fixing of cylindrical vertical notational polythene water storage tank of following litres capacity confirming to IS 12701/96 the tank is meant for outer (or) indoor, use complete with removable hinged top locking arrangements and to make provision to fix simply with pipe lines with necessary manhole with cover and including all PVC specials, plugs, screws, nails to fix the tank etc., (The water tank should be got approved by the Executive Engineer before use on works)

2000 litres capacity

1000 litres capacity

Solid PVC door shutters 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.

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

Renewing and fixing the following size of M.S Square / Rectangular hollow tubular sections of best variety and approved quality for purlins for fixing the colour galvanum sheet for roof including cutting the MS hollow tubular section to required size and placed in roof to required gradient and welded and providing necessary concrete for the hollow tubes embedded in the wall for rigiding by dismantling the brick masonry and redoing the same. The rate is inclusive of cost of square / Rectangular MS hollow tubular section labour charges for cutting welding and fixing in position one coat of red oxide primer and excluding cost of colour galvanum sheet aad all the incidental charges etc complete complying with standard specification and as directed by the departments officers.

Supplying and fixing colour galvanum sheet 0.47mm thick for roofing of approved quality by drilling holes (and not by punching) with necessary 'J ' / 'U' bolts and nuts of 8mm dia of suitable length and providing one set of bitumen washers of 25mm dia and 1.60mm thick for each bolt including protruding portion of bolts in roof shall be covered with bitumen compound etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and fixing position CI Nahani Trap / Floor Trap of size 100 x 75mm with best stainless steel 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 and fixing in position first quality and approved variety of 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.

32mm dia G.M. Gate valve

25mm dia G.M. Wheel valve

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

160mm dia PVC soil pipe

110mm dia PVC Soil Pipe:

75mm dia PVC Soil 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 re- doing 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).

110mm dia PVC Door Elbow:

110mm dia PVC Plain Bend:

110mm dia PVC Door Tee

75mm dia PVC Door Elbow:

75mm dia PVC Plain Bend:

75mm dia PVC Door Tee

Supplying, 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.

32mm dia UPVC pipe

25mm dia UPVC pipe

20mm dia UPVC pipe

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)

Painting Old Plastered Wall Surface with Two finishing coats of ready mixed Exterior (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 Old wood work with Two coat of synthetic enamel ready mixed paint of approved quality and colour 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 Old 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 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.)

S.ANBU (BID ID -1480857)