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| 1 | Earthwork excavation for foundation in all soils and sub soils in hard stiff clay, stiff black cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders and to full depth as may be directed,except in hard rock,requiring blasting including shoring and shuttering and bailing out of water wherever necessary,refilling the sides of foundation with excavated earth or sand in layer of not more than 15cm thick.well rammed and consolidated and depositing on bank with initial lead and lift of 10m & initial lift of 2m and depositing the surplusr earth within the compound in places shown by the departmental officers with iniital lead and lifts,clearing and levelling the site etc., complete as per SS20B and as directed by departmental Engineers(TNBP No.17,23,24). |
| 2 | PlainCement Concrete 1:4:8 mix (One Part of Cement, Four part ofFine Aggregate and Eight part of Coarse Aggregate) Using 40mm ISS HBG metal for foundation and basement including dewatering if found necessary and laid in layer of not more than 15cm thick and consolidated including all cost conveyance of materials and labour charges etc. complete as per standard specifications and as directed by departmental Engineers(TNBP No.28). |
| 3 | Supplying and erecting centering for sides and soffits including supports and strutting uptp 3.29m height for plane surfaces in all floors with all cross bracings using mild steel sheets of size 90cmx60cm and 10 gauge stiffened, welded with mild steel angles of size 25mmx25x3mm for boarding laid over silver oak (country wood) joist of size 10cmx6.5cm dia spaced about 90cm centre to centre and supported by casuarina props of 10cm to 13cm dia spaced at 75cm centre tocentre etc.complete complying with standard specification and as directed by the departmental engineers. TNBP No.30 |
| 4 | A) WITH STRUTTING ( RCC Work) |
| 5 | Supplying, fabricating and placing in position mild steel or TMT rods for all reinforced cement concrete works as per design given including cost of steel and binding wire with all conveyance and lead charges in all floors etc.complete complyingwith standard specifications and as directed by the deparmental engineers.TNBP No:30 |
| 6 | 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 contenet of 325Kg/ cum and maximum water cement ratio of 0.55 including admixture (Plasticiser / super plasticiser) in recommended proportions as per IS 9103 to accelerate, related setting of concrete, improve workability without imparing strength and durability with about (5.0cum), 7730Kg of 20mm machine crushed stone jelly and with about (3.3 cum), 5156kg of 10 - 12mm machine crushed stone jelly and with about (4.79cum) 7670 kg of Crushed Stone Sand (M- Sand), but excluding cost of reinforcement grill and fabricating charges centering and shuttering but 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 cost etc., complete complying with standard specification and as directed by the departmental officers - |
| 7 | Random Rubble Masonry using CM 1:5 (One part of cement & five parts of sand) mix using rough stones and bond stones for foundation and basement and including pointing above G.L including cost and conveyance of materialsto work site and including all labour charges for mixing, laying, curing the concrete etc., complete as per standard specifications and as directed by departmental Engineers.TNBP No:35H |
| 8 | Brick work in following Cement Mortar using best quality of Fly AshBrick of size 230x110x70mm for foundation and basement including curing, etc., complete complying with standard specifiction. |
| 9 | Plastering with cement mortar 1:5(One Cement and Five Sand) 12 mm thick complying with water proof compounded with standard specification. |
| 10 | Supplying and fixing of Mild steel doorincluding cost and conveyance charges to site fixing in its position and all labour charges etc complete. |
| 11 | Painting new iron work with two coats of best first quality synthetic enamel paint of approved colour over the existing red oxide primer coat as directed by departmental officers complete complying with standard specification. |
| 12 | Painting two coats with ready mixedEmulsion of first class quality paint and of approved color over a priming coat, including through scrapping, clean removal of dirt, etc., complete. |
| 13 | Supply and run of 2 of 6sqmm (56 / 0.3) insulated SC unsheathed Cu.Cconductor of 1100Vgrade on 7/20 GI bearer wire for service connection mains. SD 66 ISI make with standard specification. |
| 14 | Supply and run of 2 x 6sqmm (56/0.3) PVC insulated SC unsheathed Cu. Conductor of 1100V grade in 25mm dia GI Pipe ( Class ‘B’) suitably bent at both ends with necessary angle iron upright and end supports for mains. SD 71 ISI make with standard specification. |
| 15 | Supply and fixing of TNEB meter Board suitable for 32A Single Phase service connection with 32A Fuse unit (500V)32A neutral link and earth link (1\" x 1/8\" Copper flat) on TW plank of size 375mm x 300mm x 19mm with supporting TW reepers of 1\" thick an either side with painting with suitable bolt and nuts for fixing the TW plank on wall with earth connection and inter connection with 7/20 PVC insulated copper wire from EB meter to fuse unit.SD125 ISI make with standard specification.. |
| 16 | Supply and delivery of 15LPM X 90M Head submersible pump setwithnecessary accessories ISI make including cost and conveyance charges to site and etc., complete. |
| 17 | Supply and delivery of 15LPM X 90M Head submersible pump setpanel board necessary accessories ISI make including cost and conveyance charges to site and etc., complete. |
| 18 | Supplying and delivery of 2.5Sq.mm of PVC insulated and sheathed 3 core flat type copper cable confirming to IS694/ 1990etc complete as per standard specification. |
| 19 | Supplying and Delivery of PVC water tank 1000 litre capacity ISI make including cost and conveyance charges fixing in position etc., complete. |
| 20 | Labour charges for the erection of submersible pumpsetin borewell/openwell including fixing and jointing submersible cable withproper clamps upto the starter to required depth and also fixing of riser pipes to the required depth valves erection clamps, pressure gauges upto the exterior wall of pump room and erection of panel board consisting of TPICN switches starter, voltmeter, Ammeter, three pilot (indicating) lamps capacitor single phasing preventor, water level guard and laying and jointing the cables and twin earthing as per IE rules etc., complete and testing the pumpset and trail run for 10 days.SL.NO 17C-2 |
| 21 | Daddoing with first quality colour glazed tiles of 150 mm x 150 mm x 6mm size of approved make and quality and colour set in Cement Mortar 1:2 (One Cement and Two Sand) and pointing with white cement neatly including cost and conveyance of all materials etc.and all lobour charges etc.complete as per Standard specification and as directed by the departmental officers.TNBP No:special |
| 22 | Conducting Geophysical Investigation Charges |
| 23 | Drilling of Borewells anywhere in Tamilnadu including transportation from one place to another with in Tamilnadu in alluvial soil sedimentary strata of clay and sand stone shale pebbles boulders etc.By first taking a pilot bore of 140 mm/150mm dia and then enlarging to required dia direct or reverse rotary mud circulation method using rotary rigs fuel, labour and drilling bentonite and water required for drilling at site.Site will be shown by the TWAD Board officers including construction of mud pit. |
| 24 | Drilling of 140/150 mm pilot bore Upto 60 mt. Depth ending below ground level |
| 25 | Reaming140/150 mm dia pilot bore to 300mm dia bore as directed by the TWAD Board Officer. |
| 26 | Upto 60 mt depth ending below ground level |
| 27 | Supply of the following casing pipes of ISI approved quality with wall thickness not less than 7.5mm to 8.5mm with PVC couplers and cement Paste etc. Complete and including packing the annular space with pebbles quality and size of pebbles and the PVC pipe should be approved by the departmental officer. |
| 28 | 150mm diaOD PVC Plain casing Pipe (CS) |
| 29 | 150mm diaOD PVC slot casing Pipe (RS) |
| 30 | 150mm diaOD PVC end cap |
| 31 | Labour Charges for inserting PVCCasing pipes assembly (with slots or without slots) in the drilled hole including jointing the pipes with PVC Couplers with Cement paste etc., complete supply and packing the annular space with pebbles of size and quality as approved by the executive engineers TWAD Board |
