Estimate for demolition and reconstruction of damaged retaining walls, damaged by washing away of land due to heavy rain at Tower No 134 of 132 kV D/C Transmission Line from Larji to Kangoo under Electrical System Division HPSEBL Bilaspur H P

Demolishing stone rubble masonry manually/ by mechanical means i/c stacking of serviceable material & disposal of unserviceable material within 50 mtr lead as per direction of Eng-in-charge :In cement mortar

Earth work in excavation by mechanical means(Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10sqm 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 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., up to floor five level, excluding the cost of centering, shuttering and finishing :1:5:10 (1 cement : 5 coarse sand) : 10 graded stone aggregate 40 mm nominal size).

Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) upto plinth level with :Cement mortar 1:6 (1 cement : 6 coarse sand)

Supplying, filling, spreading & leveling stone boulders of size range 5 cm to 20 cm,behind retaining walls, in recharge pit, in the required thickness, for all leads & lifts, all complete as per direction of Engineer-in-charge.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :1:1½:3 (1 Cement: 1½ coarse sand) : 3 graded stone aggregate 20 mm nominal size)

Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq.meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground, all complete as per direction of Engineer-in- Charge.With cement mortar 1:4 (1 cement : 4 fine sand)