Repairing of Vidyajyoti School of Dr. BR Ambedkar Vidyabhaban, Aralia, Agartala for the year 2025-26.

Providing and fixing hard drawn steel wire fabric of size 75 x25 mm mesh or other suitable size wire mesh to be fixed & firmly anchored to the concrete surface by means of "L" shaped mild steel shear key welded with existing reinforcement including the cost of materials, labour, tool & plants, as required and as per direction of the Engineer-in-charge

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50 mm (+ 0.05 %) total coated thickness with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required and as per direction of Engineer-incharge.

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

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.

Excavating, supplying and filling of local earth (including royalty) by mechanical transport upto a lead of 5 km also including ramming and watering of the earth in layers not exceeding 20 cm in trenches, plinth, sides of foundation etc. complete.

First class brick work in foundation and plinth including cost of all materials as required complete:-In cement mortar 1:4 ( 1 cement : 4 fine sand ).

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 stone aggregate 20 mm nominal size)

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 stone aggregate 20 mm nominal size)