Construction of Check Dam across the river Guduvaiyar at Melsathamangalam Village Near burial ground in Villianur Commune, Puducherry.

Amount

Earthwork in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5m, including getting out the excavated soil and disposal of surplus excavated soil as directed , within a lead of 50m - all kinds of soil

Extra for every additional lift of 1.5m or part there of in excavation / banking excavated or stacked materials - all kinds of soil

Conveyance of excavated earth with in a lead of 1km radius beyond the initial lead of 50m and filling up in embankments for roads, flood banks, marginal banks etc. in all kinds of soils. The quantity of conveyed earth shall be calculated based on level and the total quantity shall be reduced by 20% for the purpose of payment.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work upto plith level - 1:5:10 (1 cement : 5 coarse sand : 10 graded stone aggregate 40mm nominal size)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work upto plith level - 1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40mm nominal size)

Centring and shuttering including strutting , propping etc. and removal of form work for - retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs and steps etc.

Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns,piers, abutments, pillars, posts,struts, buttresses, string or lacing courses, parapets, coping,bed blocks, anchor blocks, plain window sills, fillets, sunken floor etc. upto floor five level, excluding the cost of centering ,shuttering and finishing - 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20mm nominal size)

Providing and laying precast cement concrete blocks for launching apron of size 0.9 x 0.9 x 0.9m in cement concrete 1:3:6 (1 cement : 3 sand : 6 graded stone aggregate) using 6mm thick steel mould including consolidation, curing and placing in position etc., complete.

Providing and laying filter media using HBG metal of 20 mm size to a required thickness

Providing and laying filter media using HBG metal of 40 mm size to a required thickness

Providing and fixing 110 mm dia PVC pipes (4kg / cm2) in weep holes including cement concrete 1:5:10 (one cement : 5 sand : 10 graded stone aggregate ) and filling of pebbles etc.,

Supplying and filling with gravel (excluding rock) in layers not exceeding 20cm in depth , breaking clods , watering , rolling each layer with 1/2 tonne roller , or wooden or steel rammers and rolling every 3rd and top-most layer with power roller of minimum 8 tonnes capacity including all leads and lift (Payment will be made based on level measurement)

Providing and laying boulders apron on river bed for protection against scour with stone boulders weighing not less than 40 kg each complete as per drawing and technical specifications- Boulder laid dry without wire crates.

Providing and laying pitching on slopes laid over prepared filter media including boulder apron laid dry in front of toe of embankment complete as per drawing and technical specifications - Cement concrete blocks of size 0.3 x 0.3 x 0.3 m cast in cement concrete of grade M15 (add 2 percent of cost to account for excavation for preparation of bed,nominal surface reinforcement and filling of granular material in recesses between blocks)

Pointing on stone work with cement mortar 1:3 ( 1 cement : 3 fine sand) - flush/ruled pointing

Supply of Quarry rubbish including stacking to department gauge for premeasurement and spreading required thickness

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work upto plith level - 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 40mm nominal size)

Open timbering over areas including strutting, shoring etc.complete (measurements to be taken of the face area timbered). Depth exceeding 1.5m but not exceeding 3m

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth upto 30cm measured at a height of 1m above ground level and removal of rubbish upto a distance of 50 m outside the periphery of the area cleared.

Demarcation of field boundaries to the supply channels and planting survey stone wherever necessary. The rate to include all cost for surveyor , Chainman, earthwork excavation conveyance of stones to the workspot and labour for erection etc., complete (The rate excluded the cost of survey stone)

S.R.NEELAMEGAM

Vetrivel Construction

ASOKAN V