Reconstruction of One Vent Drainage Regulator in Coleroon Left Bank at mile 66/0 in Kodalikaruppur village of Udayarpalayam Taluk in Ariyalur District

Dismantling, clearing away and carefully stacking material and without disturbing nearby structure useful for reuse for any thickness of brick or stone masonry in Cement Mortar walls under 3 (Three) meters high etc. complete complying with Standard Specifications and as directed by the Departmental Engineers

Dismantling, clearing away and carefully stacking materials useful for re-use for brick jelly lime concrete etc. (Below foundation) etc.,complete as directed by the engineer in charge of work and complying with standard specification.

Earth work excavation and depositing on bank with an initial lead of 10m and initial lift of 2m in hard stiff clay, stiff black citton, hard redearth, shales, murams, gravel, stoney earth and earth mixed with small sized boulders and hard gravelly soil. SS20B and as directed by the departmental officers.

Earth work excavation for foundation in all kinds of soils and sub soils met with except hard rock requiring blasting but including all incidental charges such as shoring, strutting, baling of water if found necessary during execavation refilling the sides of foundation with excavated earth and depositing the surplus earth as directed by the enginner in charge of the work etc., complete complying with standard specifications.

Suppliying and filling with clean river sand in layers of not more than 15cm thickness well rammed including watering and consolidating etc.,complete as directed by the engineer in charge of work and complying with standard specification.

Plain Cement Concrete of grade M10 with well graded aggregates and the nominal maximum size of coarse aggregate of 40 mm gauge weigh batching the ingredients and mixing in approved mixers/batching plant (to produce concrete of the specified characteristic strength of 10Nmm2 at 28 days) incluiding laying the concrete in layers and in bays with all lead and lifts with compacting and finishing the surface water curing so as to attain the profile and strength specified in the approved drawing and specification and as per the direction of the Engineers complying with standard specification.

Plain Cement Concrete of grade M15 grade using crusher broken hard granite course aggregate of nominal maximum size of cof 20 mm to IS specified grading (to achive the specified characteristic strength of 15 N/mm2 in 28 days) and mixing the ingredients in approved mixer placing in layers and vibrating, water curing, finshing the surafce ith all leads and lifts etc., complete in all respects so as to attain the profile and strength specified in the approved drawing and specification and as per the direction of the Engineers complying with standard specification.

Providing and laying in position, standardised concrete Mix M-20 Grade by insitu machine mix concrete adopting weighing batch method in accordance with IS 456 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 325 kg/m3 and maximum water cement ratio of 0.55, including admixture (plasticiser / super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5 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 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)

Supplying fabricating and placing in position of MS/RTS girls of various size of all RCC works including cost of steel using upto 16mm dia binding wire and fabrication of reinforcement, labour charges for cutting, bending and binding etc., complete as per techinical specification and as directed by the Engineer in charge of the work.

Refilling the excavated earth in layers not exceeding 23cm thickness and watering to OMC (optimum moiture content) and compaction of each layer to 95% of Procter density thorough deployment of appropriate compaction equipment (8-10T vibratory power roller) of short width (0.90m width drum) power roller or vibratory power roller/fuel operated or electrically operated, vibratory plate compactors, ensuring compaction of designed bund section including side slopes etc., complete as per techinical specification and as directed by the Engineer in charge of the work.

Supplying, Stacking and Spreading of gravel for Coleroon River Left Bank including Cost of Graval, Loading, Unloading, Watering and consolidation charges etc., by hand roller etc., complete as per techinical specification and as directed by the Engineer in charge of the work

Supplying and erection of steel centering for sides and soffits for plain surface with all cross bracings using Mild Steel sheets of size 90cm. X 60cm. thickness of and B.G.10 stiffened with welded Mild Steel angles of size 25 X 25 X 3mm for boarding, laid over country wood joists of size 10cmX 6.5cm spaced at 90cm. Centre to centre and supported by casuarina props of 10 to 13cm dia (spaced at 75cm) Centre to centre etc. complete complying with Standard Specifications and as directed by the Departmental Engineers

Below Ground Level - Without Strutting

Above Ground Level - With Strutting

Above Ground Level - With Strutting (4m to 5m Height)

Fabricating, supplying and fixing of Shutter Groove Angle made up of 150x150x12mm Mild Steel angle for required height including welding hold fast of size 50x50x6mm Mild steel angle 3 Nos on both sides and conveying and leading the groove angle to the vents. Fixing the angle to the grooves in proper alignment including dismantling the existing damaged groove angles, conveying and stacking at section store. The groove angle should be painted with two coats of AC black paint over one coat of red oxide primer. The rate including cost of materials, consumables, labours, charges for all fabricating and hoisting equipments, conveyance, petty civil works and warranty for 5 years etc.., complete complying with standard specification and as directed by the departmental officers.

Earth work in all soils except hard rock requiring blasting and conveying for formation of bund with lead of 0 to 100 meter deploying earth moving machineries and tippers including benching formation of bunds breaking clods, sectioning etc.., complete complying with standard specification and as directed by the departmental officers. (up to 2km)

GST at 18%

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