WBPWD/AE/CKHSDII/NIT15/26-27/2

Supplying, fitting & fixing double layer nylon thread net (1 mm thick 16 mm x 16 mm grid coverage of 3.75 Sqm/kg and 1 mm thick 60 mm x 60 mm grid coverage of 7.50 Sqm/kg) for exterior scaffolding safety purpose with peripheral nylon thread or rope including fabrication cost & other finishing cost. The rate includes the cost of materials, labour & lifting charges complete in all respect as per drawing, design and instruction of the Engineer-in-Charge.

DISMANTLING AND DEMOLISHING -Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge. Ground floor, 1st floor, 2nd floor & 3rd floor :

Extra for cutting reinforcement bars manually/ by mechanical means in R.C.C. or R.B. work (Payment shall be made on the cross sectional area of R.C.C. or R.B. work) as per direction of Engineer-in-charge. Ground floor, 1st floor, 2nd floor & 3rd floor :

Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead. Ground floor, 1st floor, 2nd floor & 3rd floor :

NEW TECHNOLOGIES AND MATERIALS -Cleaning of reinforcement from rust from the reinforcing bars to give it a total rust free steel surface by using alkaline chemical rust remover of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry, all complete as per direction of Engineer-In-Charge. Bars upto 12 mm diameter - From Ground floor to 3rd floor :

Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer- In-charge complete in all respect. Epoxy bonding adhesive having coverage 2.20 sqm/kg of approved make.

Providing, mixing and applying SBR polymer (of approved make) modified Cement mortar in proportion of 1:4 (1 cement: 4 graded coarse sand with polymer minimum 2% by wt. of cement used) as per specifications and directions of Engineer-in-charge. 25 mm average thickness in 2 layers. -

REINFORCED CEMENT CONCRETE -Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases above plinth level up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement with 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources). Ground floor to 3rd floor :

FORM WORK - Centering and shuttering including strutting, propping etc. and removal of form for Weather shed, Chajjas, corbels etc., including edges.

CEMENT PLASTER (IN FINE SAND) - 12 mm cement plaster of mix - 1:4 (1 cement: 4 fine sand) :