Water supply scheme under RWS / JJM / RIDF/15th FC/BAC/NDRF/SDRF Fund in North Tripura District during the year 2026-27

Lifting of filter media from package type IRP filter chamber as per specification and the direction of the Engineer-in-charge.

Charges for spreading of filter media ( sand and gravel after proper cleaning and washing ) inside the package type IRP as per specification and the direction of the Engineer-in-charge. ( excluding the cost of sand and gravel ).

Supplying and filling in plinth, under floor, foundations etc. with sand (fine) from local quarry with all lifts including spreading in horizontal layers, watering, grading to required slope, ramming, consolidating and compacting each layer by using plate compactor or by any suitable method complete.

Pumping out water by Diesel engine pump as per specification and the direction of the Engineer - in-charge.

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

Hiring charge of welding set of single phase with operating staff andcarrying upto the site of work including loading and unloading (both way) complete as per direction of Engineer-in-charge.

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30cm in depth, 1.5m in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50m and lift upto 1.5m, disposed earth to be levelled and neatly dressed. All kinds of soil

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

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering All work upto plinth level: 1:3:6 ( 1 Cement: 3 fine sand : 6 graded stoneaggregate 40 mm nominal size)

Providing and laying in position specified grade of reinforced cement concrete excluding the cost of centring, shuttering, finishing and reinforcement- All work upto plinth level: 1:1½:3 ( 1 Cement: 1½ fine sand : 3 graded stone aggregate 20 mm nominal size)