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| 1 | Earthworkinexcavationbymechanicalmeans(Hydraulicexcavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and for all lift, as directed by Engineer-in-charge. |
| 2 | All kinds of soil |
| 3 | Extra rates for quantities of works, executed: |
| 4 | In or under water and/or liquid mud, including pumping out water as required |
| 5 | Fillingavailableexcavatedearth (excludingrock)intrenches,plinth.sidesof foundationsetc.inlayersnotexceeding 20cmindepth,consolidatingeach deposited layer by ramming and watering, lead up to 50 m and for all lift |
| 6 | Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared. |
| 7 | Providingandlayinginpositioncementconcreteof specified grade excluding the cost of centering and shuttering - All work up to plinth level : |
| 8 | 1:2:4 (1 Cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 40 mm nominal size derived from natural sources) |
| 9 | Providingandlayingcementconcreteinretainingwalls, returnwalls,walls (any thickness)includingattached pilasters,columns,piers,abutments,pillars,posts,struts, buttresses,stringorlacingcourses,parapets,coping,bed blocks, anchor blocks, plain window sills, fillets, sunken floor etc., up to floor five level, excluding the cost of centering, shuttering and finishing: |
| 10 | 1:2:4 (1 Cement : 2 coarse sand (zone-III) derived from natural sources :4gradedstoneaggregate 20mmnominalsize derived from natural sources) |
| 11 | Extra for laying concrete in or under water and/or liquid mud including cost of pumping or bailing out water and removing slush etc. complete. Note for item No. 4.15 :- The quantity will be calculated by multiplying the depth measured from the sub-soil water level up to centre of gravity of concrete under sub-soil water level with quantity of concrete in cum executed under sub-soil water. The depth of centre of gravity shall be reckoned correct to 0.1m. 0.05m or more shall be taken as 0.1m and less than 0.05m ignored. |
| 12 | Centering and shuttering including strutting, propping etc. and removal of form for |
| 13 | Foundations, footings, bases of columns, etc. for mass concrete. |
| 14 | Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc. |
| 15 | 12 mm cement plaster of mix : |
| 16 | 1:4 (1 cement: 4 fine sand) |
| 17 | Demolishing cement concretemanually/ bymechanicalmeans includingdisposalofmaterialwithin 50metresleadasper direction of Engineer - in - charge. |
| 18 | Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix) |
| 19 | Collection and filling of Stone boulder as filter media wing walls backs |
| 20 | Providing and laying80mm dia PVC pipe for weep hole as per the direction of Engineer-in-charge |
