23/EEC/BSNL-Civil/JDR/2024-25

Amount

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :

1:2:4 (1 Cement : 2 coarse sand(zone-III) : 4 graded stone aggregate 40 mm nominal size).

Providing and fixing ISI marked flush door shutters conforming to IS : 2202 (Part I) non-decorative type, core of block board construction with frame of 1st class hard wood and well matched commercial 3 ply veneering with vertical grains or cross bands and face veneers on both faces of shutters:

30 mm thick including ISI marked Stainless Steel butt hinges with necessary screws.

Providing and fixing oxidised M.S. handles with necessary screws etc. complete :

Providing and fixing stainless steel butt hinges with stainless steel screws etc. complete :

Providing and fixing ISI marked oxidised M.S. sliding door bolts with nuts and screws etc. complete :

Providing and fixing ISI marked oxidised M.S. tower bolt black finish, (Barrel type) with necessary screws etc. complete :

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.

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.

40 mm thick with 20 mm nominal size stone aggregate

20 mm cement plaster of mix :

1:3 (1 cement: 3 coarse sand)

20 mm cement plaster of mix :

1:4 (1 cement: 4 coarse sand)

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 within 50 metres lead :

With cement mortar 1:4 (1cement: 4 coarse 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.

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.

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.

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

25 mm average thickness

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

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. Note: Measurement and payment: The pre-measurement of thickness shall be done just after the surface preparation is completed and Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding / tapping with a blunt metal instrument and/or the 75mm size cube crushing strength at the end of 28 days to be not less than 30 N/Sqmm2).

25 mm average thickness in 2 layers.

Demolishing/Cutting of wall sides R.C.C. fins 0.30 m deep of Balconies extended portion of Type-I,II,III and IV i/c demolishing loose plaster of RCC walls, ceiling or beam wherever required in extended portion as per site requirement or as per direction of engineer incharge. repairing of beams, slabs, RCC walls and balcony grill of extended portion with cement mortar 1:3 (1 cement : 3 coarse sand) with admixing Pidilite URP and applying anticorrosive paint on exposed reinforcement before plastering directed by engineer incharge and disposal of all building rubbish at muncipal dump out side the BSNL compound,.All the work is to be arranged/ done by the Agency such as providing and fixing double scafflding for working plateforms or by any arrangements . (All the rates are included in the item).

Ground Floor

First Floor

Repairing of R.C.C window chajjas by applying cement slurry , cement concrete 1:1.5:3(1cement:1.5coarse sand: 3graded stone aggregate up to 12.5mm nominal size) centring and shuttering if required, finishing with cement plaster of required thickness from 6mm to 20mm as per site conditions with cement mortar 1:3(1cement: 3 fine sand)including making plaster drip course after removing of loose plaster and concrete etc. all complete as per direction of Engineer in Charge.The item includes all the above operations such as provisions of scaffoldings, T & P required for the chajjas as per actual site condition available for the G+@ staff quarters buildings. Nothing extra shall be paid on those account. (Chajjas of size approximately of 50 to 100 cm length up to 60 cm wide)

Ground floor chajjas

First floor chajjas

Second floor chajjas

Credit of the rusted reinforcement other steei received from the demolishing of RCC.

Replacement of water closet pan including necessary dismantling of cement concrete flooring, lime concrete, providing and fixing new white viterous china water closet pan (Indian type orissa pattern)of size 580x440mm with integral type foot rest with 100mm PVC P or S trap, filling the cement concrete 1:3:6 alround water closet pan ,making good the floor with 40mm thick cement concrete 1:2:4 (1Cement :2 coarse sand :4 granded stone aggregate 20 mm nominal size) (approximate 1.00 Sqm),disposal of the rubbish out side the premises etc.complete as directed by Engineer-in-Charge.

P/F 75cm long pvc outlets in balcony floor to exit water of balcony I/C removing old outlet pipe and fixing the same in C.c /cement mortar 1:3

Providing services for of sewerman for attending day to day sewer man related maintenance works including cost of bamboo, pharwa etc. (inclusive of cost of all T&P for attending the work shall be arranged by the contractor and nothing extra shall be paid)

P/F 75cm long pvc outlets in balcony floor to exit water of balcony I/C removing old outlet pipe and fixing the same in C.c /cement mortar 1:3

(i)Single socketed pipes.

150mm diameter

Repairs to wooden door or window shutter for smooth closing and opening including necessary chiseling to frame or applying plane on edges of shutters, and fixing of L-corners to doors whereever required etc all complete.

Providing & fixing fly proof wire gauze to windows, clerestory windows & doors with M.S. Flat 15 x 3mm and nuts & bolts complete.

Galvanised M.S. Wire gauze with 0.63mm dia wire and 1.4 mm aperture on both sides.

Renewing glass panes, with putty and nails wherever necessary including racking out the old putty:

Float glass panes of nominal thickness 3.5 to 4 mm (weight not less than 10kg/sqm).