TNUHDB/54/HD/SE(N-1)/2024

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. A). Upto 2.40m Depth. Data worked out for 64 m3 per day/8 hrs.

Initial lead of 10m and initial lift of 2.4 m

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 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-30 Grade using In-situ Concrete batching plant/ Ready Mix Concrete (RMC) adopting weigh 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 400 kg/m3 and maximum water cement ratio of 0.45, 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 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 usage of materials). For all Floors

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.

Providing Ellis Pattern flooring 20mm thick (Ellis pattern) with layer of cement concrete 1:3 (one of cement and three of hard broken stone) (No sand) using hard blue granite chips of size 3mm to 10mm and surface rendered smooth over RCC slab and staircase landing slab including supplying and fixing 20mm dia GI pipe outlet etc., complete in all respects.

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.

Plastering with Cement Mortar 1:3 (One Cement and Three Plastering Sand) 20mm thick mixed with water proofing compound conforming to BIS at 2% by weight of cement used including mortar plasticizer at 200ml per 50Kg of cement used, finsihing, curing, etc., complete in all floors complying with standard specification and as directed by the departmental officers.

Supplying and fixing of 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 (Door Size - 0.76 x 2.10 m)

e, the profiles are profile are multi chambered sections with wall thick of 2mm. The EPDM rubber (black colour) covered with over all edges of frame and shutter the shuttter 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 netween sash and outer frame that enables opening of the window .The window should be fixed 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.

Supplying and fixing the UPVC (Un-Plasticized polyvinyl chloride) louvered ventilators of from the profile the size of outer frame 60mm x 58mm and shutter profile size of 60 x78mm both profiles are reinforced with GI/1mm 125GSM and 100% corrosion free,the profile are multi chambered sections with wall sections with wall thick of 2mm. The EPDM rubber (black colour) covered with all over the edges of frame and shutter. The corners and joints should be welded and cleaned. Radiations pin headed glass 4mm thick should be provided in the louvers. The window should be fixed to the walll with 100% packing with screws and silicon packing alround the frames etc., complete in all respects as directed by the departmental officers (All floors). The ventilator should be got approved from the departmental officer before use on work, etc., complete in all respect as directed by the departmental officer.

Painting new wood work with two finishing coats of synthetic enamel ready mixed paint 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.)

White washing two coats with freshly burnt white shell lime in all floors including cost of lime, blue powder fevicol type gum, brushes, scaffolding charges, etc., complete complying with standard specification and as directed.

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 110 mm dia PVC soil pipe

Supplying, laying the following PVC SWR specials (IS14735/1992) including jointing with solvent cement, properly to gradient including excavating and refilling the trenches and curing the cement joints and testing etc., complete in all respects

110mm dia PVC Bend

110mm dia PVC Plain Elbow

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 PVC pipes shall be got approved by Executive Engineer before use on works - water supply above ground level / Below ground level.

110mm dia PVC Tee

40mm dia UPVC Pipe

25mm dia UPVC Pipe

20mm dia UPVC Pipe

Supplying and fixing in position the following UPVC Specials of heavy type and approved quality and good variety excluding fixing charges but including nec

essary cutting and threading of UPVC pipes, jointing the UPVC specials and painting with two coats with good variety and best quality synthetic enamel paint over a coat of red oxide primer and jointing the specials with pipe line using shellac etc., complete complying with standard specification. (The UPVC specials should be got approved by the Executive Engineer concerned before use on works.)

40mm dia Elbow

40mm dia Tee

40mm dia Bend

25mm dia Elbow

25mm dia Tee

25mm dia Bend

reducer 25x20mm

20mm dia Elbow

20mm dia Tee

20mm dia Bend

25mmx20mm reducer Tee

Supplying and fixing in position first quality and approved variety of Gun Metal Gate Valve / Wheel Valve heavy type with ISI mark of the following sizes including cost of shellac, thread, including labour charges for cutting and threading of GI pipes as directed by the departmental officers etc., complete complying with standard specification for both internal and external water supply arrangements. The gate valve/ wheel valve should be got approved by the departmental officers before use on works.

40 mm dia Gun Metal Gate Valve

Supplying and fixing in position best approved of BIS quality PVC rain water down fall pipes of 110mm diameter 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 110 mm dia

Supply and providing cable end termination of 3-1/2 x 185 sq.mm. PVC LTUG aluminium armoured cable with necessary aluminium cable sockets by crimping etc with electrical connection complete(SD-230)