Construction of Anicut across Therkkar River at Thoppur Village in Kariyapatti Taluk to feed P.Pudhupatti and other Tanks in Virudhunagar District.

Amount

Clearing Juliflora jungle without uprooting and disposing off the same and complete complying with standard specification and as directed by the Engineer in charge of work.

Earth work excavation for foundation in hard stiff clay, stiff black cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders hard red gravelly soil inclusive of shoring to full depth, strutting and bailing out water wherever necessary and refilling the sides of foundations with excavated soil other than sand in layers of not more than 15cm thick. well rammed, consolidated and depositing the surplus earth in places as shown by the departmental officers with an initial lead of 10 meters and initial lift of 2 meters and clearing levelling the site etc., complete complying with standard specification and as directed by the Engineer in charge of work.(SS20 B) (Narrow cutting)

SDR - (Not Requiring Blasting) Earth work excavating and depositing on bank with initial lead of 10 m & initial lift of 2m in Soft disintegrated rock, laterite, soft rock or kankar, not requiring blasting. etc., complete complying with standard specification and as directed the Engineer in charge of work etc., complete complying with standard specification and as directed by the Engineer in charge of work.(Narrow Cutting)

Earth work excavating and depositing on bank with initial lead of 10 and initial lift of 2m in sand silt or other loose soil wet sand or silt not under water, light black cotton soil sandy loam and ordinary soil, including excavated earth etc., complete complying with standard specification and as directed by the Engineer in charge of work. . (SS20B For Open Excavation)

SDR - (Not Requiring Blasting) Earth work excavating and depositing on bank with initial lead of 10 m & initial lift of 2m in Soft disintegrated rock, laterite, soft rock or kankar, not requiring blasting. etc., complete complying with standard specification and as directed the Engineer in charge of work.

Earth work in all soils except hard rock requiring blasting and conveying for formation of bund with lead of 0 to 100 metre deploying earth moving machinery and tippers including benching, formation of bunds, breaking clods, sectioning etc., complete

Providing and placing in position of Plain Cement Concrete of grade M 10 using hard well graded coarse aggregate of maximum nominal size of 40mm weigh batching the ingredients and mixing in approved mixers/ batching plant (to produce concrete of the specified characteristic strength of 10N/Sqmm in 28 days) including dewatering the placement site by bailing / pumping and diverting wherever necessary, laying the concrete in layers of not exceeding 15cm thick and in bays, compacting and finishing the surface to the profile with all leads and lifts, watering, curing to attain the strength as specified in the drawing for various depth and height below and above ground level etc., complete complying with standard specification and as directed by the Engineer in charge of work.

Below 1.50m depth and up to 4.50m depth below Ground level

Below 1.5m depth and up to 1.00m height from the ground level

Providing and placing in position of Plain Cement Concrete of grade M 15 using hard well graded coarse aggregate of maximum nominal size of 20mm weigh batching the ingredients and mixing in approved mixers/ batching plant (to produce concrete of the specified characteristic strength of 15N/Sqmm in 28 days) including dewatering the placement site by bailing / pumping and diverting wherever necessary, laying the concrete in layers of not exceeding 15cm thick and in bays, compacting and finishing the surface to the profile with all leads and lifts, watering, curing to attain the strength as specified in the drawing for various depth and height below and above ground level etc., complete complying with standard specification and as directed by the Engineer in charge of work.

Concrete below 1.50m depth and up to 4.50m depth below Ground level

Concrete 1.50m depth BGL and 1.00m Height AGL

Providing and placing in position of Plain Cement Concrete of grade M 15 using hard well graded coarse aggregate of maximum nominal size of 40mm (60%) and 20mm (40%) weigh batching the ingredients and mixing in approved mixers/ batching plant (to produce concrete of the specified characteristic strength of 15 N/Sqmm in 28 days) including dewatering the placement site by bailing / pumping and diverting wherever necessary, laying the concrete in layers of not exceeding 15cm thick and in bays, vibrating, compacting and finishing the surface to the profile with all leads and lifts, watering, curing to attain the strength as specified in the drawing for various depth and height below and above ground level etc., complete complying with standard specification.

Concrete below 1.50m depth and up to 4.50m depth below Ground level

Concrete 1.50m depth BGL and 1.00m Height AGL

Concrete above 1 m height and up to 4.50m height above ground level

Providing and placing in position of Plain Cement Concrete of grade M 20 using hard well graded coarse aggregate of maximum nominal size of 20mm weigh batching the ingredients and mixing in approved mixers/ batching plant (to produce concrete of the specified characteristic strength of 20N/Sqmm in 28 days) including dewatering the placement site by bailing / pumping and diverting wherever necessary, laying the concrete in layers of not exceeding 15cm thick and in bays, compacting and finishing the surface to the profile with all leads and lifts, watering, curing to attain the strength as specified in the drawing for various depth and height below and above ground level etc., complete complying with standard specification and as directed by the Engineer in charge of work.

Concrete below 1.50m depth and up to 4.50m depth below Ground level

Concrete 1.50m depth BGL and 1.00m Height AGL

Concrete above 1 m height and up to 4.50m height above ground level

Providing and placing in position of Reinforced Cement Concrete M25 grade using hard well graded coarse aggregate of maximum nominal size of 20mm weigh batching the ingredients and mixing in approved mixers/ batching plant (to produce concrete of the specified characteristic strength of 25N/Sqmm in 28 days) including dewatering the placement site by bailing / pumping and diverting wherever necessary, laying the concrete in layers of not exceeding 15cm thick and in bays, compacting and finishing the surface to the profile with all leads and lifts, watering, curing to attain the strength as specified in the drawing for various depth and height below and above ground level etc., complete complying with standard specification and as directed by the Engineer in charge of work.

Concrete 1.00m above ground level and 1.50m depth below Ground level

Concrete above 1 m height and up to 4.50m height above ground level

Supplying and erecting water tight steel centering for sides and soffits including supports and strutting up to height of 3.29 m high for plain surface with all cross bracings using mild steel B.G.10 gauge sheets of size 90cm x 60cm stiffened with welded mild steel angles of size 25mm x 25mm x 3mm for boarding laid over silver oak (country wood) joists of size 10cm x6.5cm spaced at about 90cm centre to centre and supported by casurina props of 10cm to 13cm dia spaced at 75cm centre to centre complete complying with standard specification and as directed by the by the Engineer in charge of work (The retrieved materials should be taken back by the contractor ). The payment for centering should be made after the concrete is laid etc.,

Centering without strutting

Centering with stutting up to 3.29 m Height

Supplying fabricating and placing in position of Ribbed tor steel bars of various diameter for all Reinforced Cement Concrete works including cost of rods, binding wire, Labour Charge for cutting the rods to the required length, bending, tying and fixing in position complete for various height below and above ground level etc., Complete complying with standard specification and as directed by the by the Engineer in charge of work.

Providing filter zone below the concrete block with coarse sand for bottom layer and broken graded stone for top layers as furnished in the drawing and as directed by the Engineer including collection of course sand conveying, stacking the same for pre-measurement and providing a layer of 20 cm thick, watering and consolidating, supplying hard braked stone of the following sizes, stacking for pre-measurement. laying the stones of 10 mm size for 7.5cm thick, 20mm size of 7.5cm thick 40mm size for 10cm thick 80mm size for 15cm thick in layer and packing etc., Complete complying with standard specification and as directed by the by the Engineer in charge of work.

Supplying and filling well gravel in between the gaps of Cement Concrete blocks etc., complete complying with standard specification and as directed by the Engineer in charge

Supplying suitable well gravel and providing well gravel packing 15cm thick for revetment and road basement including stacking the same for pre-measurement spreading and working with water to plastic state complete as directed by the Engineer in charge

Rough stone dry packing for launching apron using jetty size revetment stones (with new hard granite stone) including stacking charges for premeasurement. etc., Complete complying with standard specification and as directed by the by the Engineer in charge of work.

Rough stone dry packing using new rough stones for apron and revetment including stacking charges for premeasurement and finishing etc., Complete complying with standard specification and as directed by the by the Engineer in charge of work.

Providing and fixing weep holes of 110mmdia PVC pipe of working pressure 4Kg/cm2 to a required length for protection wall , Abutment & Wing wall etc., Including cost of all materials to work site including labour charges for 90cm spherical backfill arrangement with 110 mm dia and 20mm size hard granite broken stone charges at the periphery, the labour charges for fixing to drain the back fill etc., Complete complying with standard specification and as directed by the by the Engineer in charge of work.

Providing construction, contraction and lift joins in masonry, concrete including cutting, jointing the pvc water stopper of 200mm width and placing mastic pad of 20mm thick (1.04 kg of asphalt & 0.78 m2 of mastic pad required for 1 Rmt)at the joints below the water stopper after cutting to the required size including the filling the joints with mastic filling as specified in the drawings etc., Complete complying with standard specification and as directed by the by the Engineer in charge of work. (For Anicut)

Providing construction contraction and lift joints in concrete including placing mastic/Tar pad of 20mm thick (1.04 kg of asphalt and 1.00 m2 mastic pad required for 1 Rmt.) at vertical joints in side of wall in required size as specified in the drawings and specification etc., Complete complying with standard specification and as directed by the by the Engineer in charge of work.

Supplying and Fixing demarcation R.C.C. pre cast posts in Cement concrete of grade M20 with well graded aggregates and the nominal maximum size of coarse aggregate of size 20 mm of size 0.15 x 0.15 x 1.20 M and fixing the post 40 Cm depth below ground level, the post includes using 4 numbers of 8mm RTS main rod to a length of 1.325 M, using 6mm MS 9 numbers as strips with steel centering and painting the post with enamel paint to a height of 0.80 M around the post etc. complete and conveying the post to the site of demarcation boundary such as tank bund and foreshore including earth work excavation for foundation in HSC having the base plain cement concrete of 10 cm of grade M15 concrete using hard blue granite broken stone of graded metal 1/3 Part of 40mm & 2/3 Part of 20 mm size, and the post embedded by using Cement concrete of grade M10 with well graded aggregates and the nominal maximum size of coarse aggregate of 20 mm etc., complete as directed by the Engineer in charge of works and as per the technical specifications

Dewatering using 3hp to 70hp diesel engine pumpset including hire charges, Cost of diesel, Engine oil, Pump operator, Labour charges, Conveyance of pumpset and fuel to site and back, Loading, Unloading and any other incidencial charges etc., complete

Providing Hand rails arrangement to operationg platform made one of 75x75x6mm M.S Angle as vertical post and 3 rows of 50 mm G.I pipe as horizontzl rows. The rate including of cost of materials, labour for welding, cutting, drilling, painting two coats of syenthetic enamel paint,hiring charges of D.C grn set, diesel consumption cost of Welding rod etc., complete complying with standard specification and as directed by the the Engineer in charge of work.

Earth work deploying earth moving machineries for desilting channel and forming bund on either side and depositing the earth on banks including jungle Clarence etc. complete complying with standard specification and as directed by the Engineer in charge of work. Channel having a width morethan 10m

Earth work deploying earth moving machineries for desilting channel and forming bund on either side and depositing the earth on banks including jungle Clarence etc. complete complying with standard specification and as directed by the Engineer in charge of work. Channel having a width of 3m to 10m

Earthwork in all soils except hard rock requiring blasting and conveying for formation of flood bank from approved borrow area deploying earth moving machineries and Tippers including benching, formation of bund in layers of suitable thickness, depending upon type of compaction equipment deployed and not exceeded 23cm thickness, breaking clods, watering to Optimum moisture content (OMC) and compaction of each layers to 95 % of Procter density through deployment of appropriate compaction equipment (8-10 T) power roller / vibratory power roller/ short width (+0.90m width drum) power roller or vibratory power roller ensuring compaction of designed bund section also ensuring compaction of earth fill and side slopes through deployment of hydraulic excavators with steel plate fixtures attached to their booms/ heavy power roller capable of claiming 2.00(Horizontal):1.00(Vertical) slope including side slope complete complying with standard specification and as directed by the Engineer in charge of work.

Earthwork in all soils except hard rock requiring blasting and conveying for formation of flood bank from approved borrow area and transporting the same with a lead of 3KM MR + 1KM CT deploying earth moving machineries and Tippers including benching, formation of bund in layers of suitable thickness, depending upon type of compaction equipment deployed and not exceeded 23cm thickness, breaking clods, watering to Optimum moisture content (OMC) and compaction of each layers to 95 % of Procter density through deployment of appropriate compaction equipment (8-10 T) power roller / vibratory power roller/ short width (+0.90m width drum) power roller or vibratory power roller ensuring compaction of designed bund section also ensuring compaction of earth fill and side slopes through deployment of hydraulic excavators with steel plate fixtures attached to their booms/ heavy power roller capable of claiming 2.00(Horizontal):1.00(Vertical) slope including side slope complete complying with standard specification and as directed by the Engineer in charge of work.

Towards the payment of Mineral charges, Seigniorage fee, Green fund, District mineral fund and tax on Mineral Bearing Land for formation of flood bank to be paid to Revenue Department through the contractor etc., (Excluding cost of Earthwork excavation, conveyance and forming flood bank). (Ref: 1.G.O. 4 Natural Resources (MMC - 1) Department dated 22.08.2023, 2.G.O. (Ms) No 23. Industries (MME - 1), Department dated 23.02.2022, 3.Tamilnadu Mineral Bearing Land Tax Act,2024.

Fabricating, supplying and erection of Screw Gearing steel shutters of size 1.90 x 0.60 m with consists of skin plate made out of 8 mm thick mild steel plate and horizontal and vertical stiffeners with 100 mm x 50 mm x 6 mm steel channel (ISMC) at an interval of not more than 0.5 m and 0.6 m and provided with 8 mm thick mild steel gusset plate of required size on both sides fastened with rust free bolts and nuts etc. Groove Channels of ISMC 100mmx100mmx10mm mild steel angle for required height up to 2.25 m including welding hold fast of size 40 mm x 40 mmx 6 mm mild steel angle 3 numbers on both sides. Providing Sill Beam of 150mm x 80mm x 6mm, 2.0 m length and providing of 83 mm screw rod made of mild steel duly machined and fully threated to suite the worm gear assembly with required height up to 4 m and required holes. Fixing the screw rod to the shutter gusset plate with required bolts and nuts in proper alignment to the Head Set. Providing of Top Beam made up of 200 mm x 100 mm x 6 mm (ISMB 200) for the length of 2.40 m duly drilled to suite the Head Set assembly with required bed bolts made out of 20 mm mild steel round rod duly threated with suitable anchorage arrangements to the height of 0.6 m with necessary fish plate made out of 16 mm mild steel plate of size 0.2 m x 0.3 m 2 numbers with require bolts. Providing worm and pinion gear head set assembly duly machined with nut, threading to suit the screw rod with including cost of ball bearing for smooth operation. The whole shutter assembly should be painted with two coats of anti-corrosive black paint over one coat of red oxide primer paint. Erecting Shutter including crane hire charges (As per SR p .257) The rate is inclusive of all materials, labour charges including Lathing, Drilling, Welding, Gas cutting, Hydraulic bend removing of M.S. rod, hire charges of Crane and also inclusive of cost of covering plate, Foundation bolts, all bolt and nuts, conveyance to this site, Loading and unloading charges, Grease packing, Lubricating oil, Operating key, Locking arrangement and checking the Shutter operation etc., complete as directed by the Departmental Officers.

Fabricating, supplying and erection of Screw Gearing steel shutters of size 2.50 x 1.10 m with consists of skin plate made out of 8 mm thick mild steel plate and horizontal and vertical stiffeners with 100 mm x 50 mm x 6 mm steel channel (ISMC) at an interval of not more than 0.5 m and 0.6 m and provided with 8 mm thick mild steel gusset plate of required size on both sides fastened with rust free bolts and nuts etc. Groove Channels of ISMC 100mmx100mmx10mm mild steel angle for required height up to 2.25 m including welding hold fast of size 40 mm x 40 mmx 6 mm mild steel angle 3 numbers on both sides. Providing Sill Beam of 150mm x 80mm x 6mm, 3.10 m length and providing of 83 mm screw rod made of mild steel duly machined and fully threated to suite the worm gear assembly with required height up to 4 m and required holes. Fixing the screw rod to the shutter gusset plate with required bolts and nuts in proper alignment to the Head Set. Providing of Top Beam made up of 200 mm x 100 mm x 6 mm (ISMB 200) for the length of 3.10 m duly drilled to suite the Head Set assembly with required bed bolts made out of 20 mm mild steel round rod duly threated with suitable anchorage arrangements to the height of 0.6 m with necessary fish plate made out of 16 mm mild steel plate of size 0.2 m x 0.3 m 2 numbers with require bolts. Providing worm and pinion gear head set assembly duly machined with nut, threading to suit the screw rod with including cost of ball bearing for smooth operation. The whole shutter assembly should be painted with two coats of anti-corrosive black paint over one coat of red oxide primer paint. Erecting Shutter including crane hire charges (As per SR p .257) The rate is inclusive of all materials, labour charges including Lathing, Drilling, Welding, Gas cutting, Hydraulic bend removing of M.S. rod, hire charges of Crane and also inclusive of cost of covering plate, Foundation bolts, all bolt and nuts, conveyance to this site, Loading and unloading charges, Grease packing, Lubricating oil, Operating key, Locking arrangement and checking the Shutter operation etc., complete as directed by the Departmental Officers.

P.P.S. CONSTRUCTION (BID ID -1360962)