Construction of Check dam across Palar River in Pottalpatti village near Surapatti of Melur taluk in Madurai District.

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.

Earthwork excavating and depositing on bank with initial lead of 10m and initial lift of 2 m in hard stiff clay, stiff black cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders etc., complete complying with standard specification as directed by the departmental officers. (For Foundation)

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 as directed by the departmental officers. (Narrow Cutting)

Earthwork excavating and depositing on bank with initial lead of 10m and initial lift of 2 m in hard stiff clay, stiff black cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders etc., complete complying with standard specification as directed by the departmental officers. (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 as directed by the departmental officers.

Earth work excavation deploying earth moving machinery for desilting channel having a width of more than 10m and forming bund on either sides and depositing the earth on banks including jungle clearance etc., complete complying with standard specification as directed by the departmental officers.

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 5KM 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.

Providing and placing in position of plain Cement concrete of grade M10 using hard well graded aggregates with the nominal maximum size of coarse aggregate of 40mm weigh batching the ingredients and mixing in approved mixers/batching plant (to produce concrete of the specified characteristic strength of 10 N/mm2 at 28days) including dewatering the placement site by bailing/pumping and by diverting wherever necessary; laying the concrete in layers of various thickness and in bays; compacting and finishing the surface with all leads and lifts; watering curing so as to attain the profile and strength specified in the approved drawing & specifications etc., complete as directed by the Engineer in charge of works and as per the technical specifications

Below Ground Level 1.50m to 4.50m Below Ground Level

Below Ground Level 1.50 m to 1.00m Above Ground level

Below Ground Level 4.5m to 9.00m Below Ground Level

Providing and placing in position of plain Cement concrete of grade M15 using hard well graded aggregates with the nominal maximum size of coarse aggregate of 20mm weigh batching the ingredients and mixing in approved mixers/batching plant (to produce concrete of the specified characteristic strength of 15 N/mm2 at 28days) including dewatering the placement site by bailing/pumping and by diverting wherever necessary; laying the concrete in layers of various thickness and in bays; Vibrating compacting and finishing the surface with all leads and lifts; watering curing so as to attain the profile and strength specified in the approved drawing & specifications etc., complete as directed by the Engineer in charge of works and as per the technical specifications

Below Ground Level 1.50m to 4.50m Below Ground Level

Below Ground Level 1.50 m to 1.00m Above Ground level

Below Ground Level 4.5m to 9.00m Below Ground Level

Providing and placing in position of plain Cement concrete of grade M15 using hard well graded aggregates with the nominal maximum size of coarse aggregate 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/mm2 at 28days) including dewatering the placement site by bailing/pumping and by diverting wherever necessary; laying the concrete in layers of various thickness and in bays; vibrating, compacting and finishing the surface with all leads and lifts; watering curing etc., complete so as to attain the profile and strength as directed by the Engineer in charge of works and as per the technical specifications.

Below Ground Level 1.50m to 4.50m Below Ground Level

Below Ground Level 1.50 m to 1.00m Above Ground level

Above Ground Level 1.00m to 4.50 m Above Ground Level

Above Ground Level 4.50 m to 9.00 m 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 various thickness 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 and as directed by the Engineer in charge of work.

Below Ground Level 1.50m to 4.50m Below Ground Level

Below Ground Level 1.50 m to 1.00m Above Ground level

Providing and placing in position of Plain Cement Concrete of grade M 25 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 various thickness 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 and as directed by the Engineer in charge of work.

Below Ground Level 1.50 m to 1.00m Above Ground level

Below Ground Level 1.50m to 4.50m Below Ground Level

Below Ground Level 4.50 m to 9.00 m Below Ground Level

Supplying and Erecting water tight steel centering for sides and soffits including necessary supports and strutting for all works etc up to 3.29 m height with all cross bracings using mild steel BG 10 sheets of size 90cm x 60cm x 10 mm gauge stiffened with welded mild steel angles of size 25x25x3mm for boarding laid over silver oak (country wood) joist of size 10cm x 6.5cm spaced at about 90cm centre to centre and suitably supported by casuarina props of 10cm to 13cm dia spaced at 75cm centre to centre, including cost of materials etc., complete complying with standard specification and as directed by the Departmental officers. The payment for centering shall be given after the concrete is laid and the retrieved materials should be taken back by the contractor.

Without Strutting

Above G.L Height up to 3.29m With Strutting

Above G.L Height from 3.29m to 4.29 m With Strutting

Above G.L Height from 4.29m to 5.29m With Strutting

Above G.L Height from 5.29m to 6.29m With Strutting

Above Height 6.29m to 7.29m With Strutting

Supplying, fabricating and placing in position of RTS or MS reinforcement for all reinforced cement concrete works including cost of steel rods of all sizes including binding wires and labour charges for decoiling, cutting, bending and tying the grills in position etc., complete complying with standard specification and as directed by the departmental officers.

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 Engineer in charge of work.

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

Supplying suitable gravel and providing gravel packing 15cm thick for revetment and road basement including stacking the same for pre-measurement spreading and working with water to plastic state etc., complete complying with standard specification and as directed by the departmental officers.

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 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.

Refilling with excavated earth (other than sand) with all leads and lifts for filling the cut open wherever necessary in layers including breaking clods, watering and compaction using power roller to at least 95 % of Procter density at OMC in each layer and sectioning etc., complete complying with standard specification and as directed 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 20hp 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

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.

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