Special repair works and rehabilitation work including other misc civil works in Staff Qtrs Type II Block D Building ARTTC Campus Ranchi

Amount

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) : 3 graded stone aggregate 20 mm nominal size).

Centering and shuttering including strutting, propping etc. and removal of form for :

Suspended floors, roofs, landings, balconies and access platform

Vertical and horizontal fins individually or forming box louvers band, facias and eaves boards

Weather shade, Chajjas, corbels etc., including edges

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto and above plinth level.

Thermo-Mechanically Treated bars of grade Fe-500D or more.

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.

In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works.

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i)Single socketed pipes.

110 mm diameter

Providing and fixing on wall face unplasticised - PVC moulded fittings/ accessories for unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A including jointing with seal ring conforming to IS :5382 leaving 10 mm gap for thermal expansion.

Single tee without door

110 mm bend

Providing and fixing unplasticised -PVC pipe clips of approved design to unplasticised - PVC rain water pipes by means of 50x50x50mm hardwood plugs, screwed with M.S. screws of required length including cutting brick work and fixing in cement mortar 1:4 (1 cement : 4 coarse sand) and making good the wall etc. complete.

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply , including all CPVC plain & brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. Internal work - Exposed on wall

15 mm nominal dia Pipes.

20 mm nominal dia Pipes

25 mm nominal dia Pipes

Providing and Fixing of CPVC pipe fittings of approved quility:

(i) Union

20 mm nominal bore

25 mm nominal bore

(ii) PTMT Gate valve of approved quility:

20 mm nominal bore

25 mm nominal bore

Finishing walls with water proofing cement paint of required shade :

New work (Two or more coats applied @ 3.84 kg/10 sqm).

Finishing walls with water proofing cement paint of required shade : complete

Old work (one or more coats @ 2.20 kg/10 sqm)

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 directions of Engineer-In-Charge.

With cement mortar 1:4 (1 cement : 4 fine sand).

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

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.

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge .

75 mm average thickness

50 mm average thickness

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

Repair the damaged RCC surface with 75mm average thickness 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) : 3 graded stone aggregate 10 mm nominal size).

Repair the damaged RCC surface with 50mm average thickness 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) : 3 graded stone aggregate 10 mm nominal size).

Providing and fixing single scaffolding system on the exterior side of building made with 50mm dia (approx) bamboo tree 1.00 m centre to centre horizontal & vertical for repair of projected roof and maintaining it in a serviceable condition for the required duration as approved and removing it there after complete as per direction of Engineer-in-Charge.

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade : (a) One or more coats on old work.

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge

(a) Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement, including cement slurry , but excluding the cost of nosing of steps etc. complete.

(a) 40 mm thick with 20 mm nominal size stone aggregate .

BIJAY PRASAD SINGH