Kuppampatti Check Dam

Amount

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

Dismantling without damaging the near by structures if any, clearing away and carefully stacking materials useful for reuse for any thickness of wall in brick masonry in cement mortar walls under 3 m high etc., complete complying with standard Specification and as directed by the Engineer in charge of work

Dismantling without damaging the near by structures if any, clearing away and carefully stacking materials useful for reuse for any thickness of plain cement concrete etc., complete complying with standard specification and as directed by the Engineer in charge of work

HGS (SS 20 B) - Earth work in open excavation and depositing on bank with initial lead of 10m and initial lift of 2m 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 and as directed by the Engineer in charge of work.

SDR- (Not requiring blasting) - Earth work in open excavation and depositing on bank with initial lead of 10m and 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 by the Engineer in charge of work.

SDR- (Not requiring blasting) - Earth work in Narrow excavation and depositing on bank with initial lead of 10m and 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 by the Engineer in charge of work.

MR-&- DMR (Not requiring blasting)- Earth work in Open excavation and depositing on bank with initial lead of 10m and initial lift of 2m in medium rock and dense medium rock, not requiring blasting etc., 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 from approved borrow area and transporting the same with a lead of 4KM MR beyond the initial lead of 100m deploying earth moving machineries and Tippers for formation of flood bank/bund in layers of suitable thickness, depending upon type of compaction equipment deployed, and not exceeding 23 cm thickness, benching of slopes prior to placement of earth fill, including extra earth filling , breaking clods, watering to OMC and compaction of each layer to 95% of Proctor density through deployment of appropriate compaction equipment 8-10 tonne power roller; vibratory power roller; short width (+/-)0.90m width drum) power roller or vibratory power roller ensuring compaction of designed bund section and also ensuring compaction of earth fill and side slopes through the deployment of hydraulic excavators with steel plate fixtures attached to their booms/ heavy power rollers capable of climbing 1.50 (Horizontal) : 1.00 (Vertical) slope including side slopes complete complying with technical specification and as directed by the Engineer in charge of work. Earth from Near by site.

Watering and consolidation by Power Roller complete complying with standard specification and as directed by the departmental officers.

Earthwork excavation deploying earth moving machinery for desilting channels having a width of more than 10m and forming bund on either sides and depositing the earth on banks including sectioning and jungle clearance etc., complete complying with the standard specification and as directed by the Engineer in charge of work.

Supplying Demarcation RCC precast post of size 0.15x0.15x1.20m in RCC M-20 grade with well graded aggregates and nominal maximum size of coarse aggregate of size 20mm and fixing the post 45 cm depth into the ground,the post using 4 Nos. of 8mm RTS main rod to a length of 1.35m, using 9 Nos. of 6mm MS rod as stirrups with steel centering and painting the exposed surface of the post with enamel paint to a height of 0.75m all round the post etc.,and conveying the post to the site of demarcation boundary along the flood bank including earthwork excavation for foundation in HSC,and embedding the post by using cement concrete M15 grade with coarse aggregate of 20mm over levelling course of M10 grade with 40mm metal etc., complete complying with standard specification and as directed by the Engineer in charge of work.

Providing and placing in position of Plain Cement concrete M10 grade with well graded aggregates and the nominal maximum size of coarse aggregate of size 40 mm, weigh batching the ingredients and mixing in approved mixers/batching plant (to produce concrete of the specified characteristic strength of 10N/Sqmm at 28days) including dewatering the placement site by bailing/pumping and by diverting wherever necessary, laying the concrete in layers of not exceeding 15 cm thick and in bays, compacting and finishing the surface to the profile with all leads and lifts, water curing to attain the strength as specified in the drawing for various depth and height below and above ground level etc., complete complying with the standard specification and as directed by the Engineer in charge of work. (Without Vibrating)

1.00m AGL to 1.50m BGL

BGL From 1.50m to 4.50m depth

Providing and placing in position of plain cement concrete of grade M15 using hard well graded coarse aggregates 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 at 28 days) including dewatering the placement site by bailing/pumping and by 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, water curing to attain the strength as specified in the drawing for various depth and height below and above ground level etc., complete complying with the standard specification and as directed by the Engineer in charge of work.

1.00m AGL to 1.50m BGL

BGL From1.50m to 4.50m depth

AGL From 1m to 4.5m height

Providing and placing in position of Reinforced cement concrete of grade M20 using hard well graded coarse aggregates 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 20 N/sqmm at 28 days) including dewatering the placement site, by bailing/pumping and by 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, water curing to attain the strength as specified in the drawing for various depth and height below and above ground level etc., complete complying with the standard specification and as directed by the Engineer in charge of work.

1.00m AGL to 1.50m BGL

BGL From1.50m to 4.50m depth

Providing and placing in position of plain cement concrete of grade M20 using hard well graded coarse aggregates 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 20 N/sqmm at 28 days) including dewatering the placement site, by bailing/pumping and by 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, water curing to attain the strength as specified in the drawing for various depth and height below and above ground level etc., complete complying with the standard specification and as directed by the Engineer in charge of work.(Without Vibrating) (wearing coat ). 1.00m AGL to 1.50m BGL

Providing steel Centering for RCC slabs, beams or plain surfaces including strutting upto 3.29 m height using MS sheets of size 90 x 60 cm, Stiffened with MS angle of size 25 mm x 25 mm x 3 mm laid over silver oak joist of size 10 cm x 6.5 cm spaced at about 90 cm centre to centre and supported by casurina props of 10 cm to 13 cm dia spaced at not more than 75 cm centre to centre and removing the centering and shuttering after specified period without damaging the concrete laid etc., complete complying with standard specification and as directed by the Engineer in charge of work. (the retrieved materials should be taken back by the Contractor) Payment for centering shall be given after the concrete has been laid.

Below Ground level with out Strutting

Upto 3.29m height With Strutting:

Centering From 3.29m to 4.29m

Supplying, fabricating and placing in position of Ribbed Tor steel bars of Various diameters for all reinforced concrete works, including cost of rods, binding wire, labour charges for cutting the rods to the required length, bending, tying and fixing in position complete for various heights & above ground level and depths & below ground level complete etc., 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 including stacking the same for pre measurement etc., complete complying with the standard specification and as directed by the Engineer in charge of work.

Forming inverted filter by using 10mm to 80mm size graded metal to a thickness of 0.075m thick of 10mm metal, 0.075m thick of 20mm metal, 0.10m thick of 40mm metal and 0.15m thick of 80mm metal from bottom to top over the coarse sand of 20mm thick including stacking etc., complete complying with the standard specification and as directed by the Engineer in charge of work.

Rough stone dry packing for launching apron using new hard granite Jeddy size revetment stones including stacking the stones for pre measurement, finishing etc., complete complying with the standard specification and as directed by the Engineer in charge of work.

Supplying suitable gravel and providing gravel backing 15cm thick for revetment including stacking the same for pre-measurement spreading and working with water to plastic state etc., complete complying with the standard specification and as directed by the Engineer in charge of work.

Rough stone dry packing for Apron using old stones including stacking the roughstone for premeasurement etc., complete complying with the standard specification and as directed by the Engineer in charge of work.

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

Providing and fixing weep holes of 110mm dia PVC pipes of working pressure 4kg/Sqmm to a required length for protection wall, abutment and wing wall including cost of conveyance of all materials to work site including cost of labour charges for 90cm spherical back fill arrangements with 110mm dia and 20mm size hard granite broken stone charges at the peripery, the labour charges for fixing and to drain the back fill etc., complete complying with the standard specification and as directed by the Engineer in charge of work.

Providing construction contraction and lift joints in masonry concrete with PVC water stopper of 230mm thick including cutting, jointing and placing mastic pad of 20mm thick with mastic filling as specified in the drawings etc., complete complying with the standard specification and as directed by the Engineer in charge of work - for weir portion (1.04kg of Asphalt and 0.60Sqm of Mastic pad required for 1RM)