24/NIT/BSNL/CD/HBL/2025-26

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

Dismantling G.I. pipes (external work) including excavation and refilling trenches after taking out the pipes, manually/ by mechanical means including stacking of pipes within 50 metres lead as per direction of Engineer-in-charge :

15 mm to 40 mm nominal bore

Above 40 mm nominal bore

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.

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.

Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5 m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m :

All kinds of soil

Pipes, cables etc. exceeding 80 mm dia. but not exceeding 300 mm dia

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50m outside the periphery of the area cleared.

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) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

Providing and fixing nickel plated M.S. pipe curtain rods with nickel plated brackets :

25 mm dia (heavy type)

Providing and fixing ISI marked IS:1341 M.S. pressed butt hinges bright finished with necessary screws etc. complete :

Providing and fixing ISI marked oxidised M.S. sliding door bolts with nuts and screws etc. complete (Copper oxidised as per IS 1378)

Providing and fixing ISI marked oxidised M.S. tower bolt black finish, (Barrel type) with necessary screws etc. complete (Copper oxidised as per IS 1378)

Providing and fixing ISI marked oxidised M.S. handles conforming to IS:4992 with necessary screws etc. complete (Copper oxidised as per IS 1378)

Providing and fixing aluminium hanging floor door stopper, ISI marked, anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour and shade, with necessary screws etc. complete.

Single rubber stopper

Providing and fixing factory made uPVC door frame made of uPVC extruded sections having an overall dimension as below (tolerance ±1mm), with wall thickness 2.0 mm (± 0.2 mm), corners of the door frame to be Jointed with galvanized brackets and stainless steel screws, joints mitred and Plastic welded. The hinge side vertical of the frames reinforced by galvanized M.S. tube of size 19 X 19 mm and 1mm (± 0.1 mm) wall thickness and 3 nos. stainless steel hinges fixed to the frame complete as per manufacturer’s specification and direction of Engineer-in-charge.

Extruded section profile size 48x40 mm

Providing and fixing to existing door frames.

24 mm thick factory made PVC door shutters made of styles and rails of a uPVC hollow section of size 59x24 mm and wall thickness 2 mm (± 0.2 mm) with inbuilt edging on both sides. The styles and rails mitred and joint at the corners by means of M.S. galvanised/plastic brackets of size 75x220 mm having wall thickness 1.0 mm and stainless steel screws. The styles of the shutter reinforced by inserting galvanised M.S. tube of size 20x20 mm and 1 mm (± 0.1 mm) wall thickness. The lock rail made up of ‘H’ section, a uPVC hollow section of size 100x24 mm and 2 mm (± 0.2 mm) wall thickness, fixed to the shutter styles by means of plastic/galvanised M.S. ‘U’ cleats. The shutter frame filled with a uPVC multi-chambered single panel of size not less than 620 mm, having over all thickness of 20 mm and 1 mm (± 0.1 mm) wall thickness. The panels

filled vertically and tie bar at two places by inserting horizontally 6 mm galvanised M.S. rod and fastened with nuts and washers, complete as per manufacturer’s specification and direction of Engineer-in-charge. (For W.C. and bathroom door shutter).

Providing and fixing fly proof stainless steel grade 304 wire gauge, to windows and clerestory windows using wire gauge with average width of aperture 1.4mm in both directions with wire of dia. 0.50 mm all complete.

With 12 mm mild steel U beading.

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

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.

(i)Single socketed pipes.

75 mm diameter

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.

110 mm bend

Shoe (Plain)

110 mm Shoe

Providing and fixing unplasticised -PVC pipe clips of approved design to unplasticised - PVC rain water pipes by means of 50x50x50 mm hard wood 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.

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).

Distempering with 1st quality acrylic distemper (ready mixed) having VOC content less than 50 gram/litre, of approved manufacturer, of required shade and colour all complete :

New work (two or more coats) over and including water thinnable priming coat with cement primer having VOC content less than 50 gram/litre

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

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

Cleaning of under ground sump, Over Head R.C.C. Tank (independent staging) including disposal of slit and rubbish, all as per direction of Engineer-in-Charge. The cleaning shall consist following operations:-

(i) Tank shall be emptied of water by pumping & bottom shall be cleaned of slit and other deposits.

(ii) Entire surface area of the sump shall then scrubbed thoroughly with wire brush etc. and pressure washed with water.

(iii) Chlorination of RCC internal surface by liquid chlorine.

(iv) The treated surface shall be dried using air jetting and all loose particles shall be removal from the surface.

(v) Finally the surface shall be treated with ultraviolet radiation etc. as per direction of Engineer-in-Charge.

Disconnecting damaged overhead / terrace PVC water storage tank of any size from water supply line and removing from the terrace including shifting at ground level as per direction of Engineer-in- charge.

Providing & fixing White vitreous china water closet squatting pan (Indian type) along with "S" or "P" trap including dismantling of old WC seat and "S" or "P" trap at site complete with all operations including all necessary materials, labour and disposal of dismantled material i/c malba, all complete as per the direction of Engineer-in charge.

Orissa pattern W.C Pan of size 580x440 mm

Dismantling 15 to 40 mm dia G.I. pipe including stacking of dismantled pipes (within 50 metres lead) as per direction of Engineerin-Charge.

Internal Work- Exposed on wall

Providing and fixing wash basin with C.I. brackets, 15 mm C.P. brass pillar taps, 32 mm C.P. brass waste of standard pattern, including painting of fittings and brackets, cutting and making good the walls wherever require:

White Vitreous China Flat back wash basin size 550x 400 mm with single 15 mm C.P. brass pillar tap

Providing and fixing P.V.C. low level flushing cistern with manually controlled device (handle lever) conforming to IS : 7231, with all fittings and fixtures complete.

10 litre capacity - White

Providing and fixing P.V.C. waste pipe for sink or wash basin including P.V.C. waste fittings complete.

Semi rigid pipe

32 mm dia

40 mm dia

Flexible pipe

32 mm dia

Providing and fixing mirror of superior glass (of approved quality) and of required shape and size with plastic moulded frame of approved make and shade with 6 mm thick hard board backing :

Rectangular shape 453x357 mm

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 outer dia. Pipes.

20 mm nominal outer dia. Pipes.

25 mm nominal outer dia .Pipes.

32 mm nominal outer dia. Pipes.

40 mm nominal outer dia. Pipes.

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings. This includes jointing of pipes & fittings with one step CPVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in Charge : External work

15 mm nominal outer dia. Pipes.

20 mm nominal outer dia. Pipes.

25 mm nominal outer dia. Pipes.

32 mm nominal outer dia. Pipes.

40 mm nominal outer dia. Pipes.

50 mm nominal outer dia. Pipes.

75 mm nominal inner dia. Pipes.

Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc. : External work

20 mm dia. nominal bore

25 mm dia. nominal bore

40 mm dia. nominal bore

50 mm dia. nominal bore

Making connection of G.I. distribution branch with G.I. main of following sizes by providing and fixing tee, including cutting and threading the pipe etc. complete :

25 to 40 mm nominal bore

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :

25 mm nominal bore

20 mm nominal bore

32 mm nominal bore.

40 mm nominal bore

Providing and fixing uplasticised PVC connection pipe with brass unions :

45 cm length

15 mm nominal bore

Providing and fixing C.P. brass shower rose with 15 or 20 mm inlet :

100 mm diameter

Providing and fixing C.I. sluice valves (with cap) complete with bolts, nuts, rubber insertions etc. (the tail pieces if required will be paid separately) :

100 mm diameter

Class I

Providing and fixing G.I. Union in existing G.I. pipe line, cutting and threading the pipe and making long screws including excavation, refilling the earth or cutting of wall and making good the same complete wherever required :

15 mm nominal bore.

25 mm nominal bore.

40 mm nominal bore.

50 mm nominal bore.

Providing and placing on terrace (at all floor levels) polyethylene water storage tank, IS : 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank.

Providing and fixing C.P. brass bib cock of approved quality conforming to IS:8931:

15 mm nominal bore.

Providing and fixing C.P. brass stop cock (concealed) of standard design and of approved make conforming to IS:8931.

15 mm nominal bore.

Providing and fixing PTMT bib cock of approved quality and colour.

15mm nominal bore, 86 mm long. Weighing not less than 88 gms.

Providing and fixing PTMT stop cock of approved quality and colour.

15 mm nominal bore, 86 mm long. Weighing not less than 88 gms.

Providing and fixing PTMT pillar cock of approved quality and colour .

15mm nominal bore, 107 mm long. Weighing not less than 110 gms.

Providing and fixing PTMT grating of approved quality and colour.

Circular type.

100 mm nominal dia.

Providing and fixing PTMT Ball cock of approved quality, colour and make complete with Epoxy coated aluminium rod with L.P./ H.P.H.D. plastic ball.

25 mm nominal bore, 152 mm long. Weighing not less than 440 gms.

Cutting holes up to 30x30 cm in walls including making good the same:

With common burnt clay F.P.S. (non modular) bricks.

Providing and laying cement concrete 1:5:10 (1 cement : 5 coarse sand : 10 graded stone aggregate 40 mm nominal size) up to haunches of S.W. pipes including bed concrete as per standard design :

100 mm diameter S.W. pipe

150 mm diameter S.W. pipe

Dismantling of old S.W. pipes including breaking of joints and bed concrete stacking of useful materials near the site within 50 m lead and disposal of unserviceable materials into municipal dumps :

100 mm diameter

150 mm diameter

Constructing brick masonry manhole in cement mortar 1:4 ( 1 cement : 4 coarse sand ) with R.C.C. top slab with 1:1.5:3 mix (1 cement : 1.5 coarse sand (zone-III) : 3 graded stone aggregate 20 mm nominal size), foundation concrete 1:4:8 mix (1 cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size), inside plastering 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with floating coat of neat cement and making channels in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) finished with a floating coat of neat cement complete as per standard design :

Inside size 90x80 cm and 45 cm deep including C.I. cover with frame (light duty) 455x610 mm internal dimensions, total weight of cover and frame to be not less than 38 kg (weight of cover 23 kg and weight of frame 15 kg) :

With common burnt clay F.P.S. (non modular) bricks of class designation 7.5

Supplying and fixing C.I. cover without frame for manholes :

455x610 mm rectangular C.I. cover (light duty) the weight of the cover to be not less than 23 kg.

Making connection of drain or sewer line with existing manhole including breaking into and making good the walls, floors with cement concrete 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) cement plastered on both sides with cement mortar 1:3 (1 cement : 3 coarse sand) finished with a floating coat of neat cement and making necessary channels for the drain etc. complete :

For pipes 100 to 250 mm diameter

Providing and fixing double scaffolding system (cup lock type) on the exterior side of building/structure, upto 25 metre height, above ground level, including additional rows of scaffolding in stepped manner as per requirement of site, made with 40mm dia M.S. tube, placed 1.5 metre centre to centre, horizontal & vertical tubes joint with cup & lock system with M.S. Tubes, M.S. tube challis, M.S. clamps and staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for execution of work of cleaning and/ or pointing and/ or applying chemical and removing it thereafter.

The scaffolding system shall be stiffened with bracings, runners, connecting with the building etc, wherever required, if feasible, for inspection of work at required locations with essential safety features for the workmen etc., complete as per directions and approval of Engineer-in-charge.

Note :- (1) The elevational area of the scaffolding shall be measured for payment purpose.

(2) The payment will be made once only for execution of all items for such works.

Providing and fixing Stainless steel grating of approved quality and colour.

100 mm nominal dia. circular type

Replacing the damaged PVC water tank cover (in PVC over head tank of capacity upto 2000 litres ) at an height up to floor seven level with new one including tightening with plastic bolts of required size as per manufacturer's recommendation, all complete as per direction of Engineer in charge.

Removing and refixing of wash basin for maintenance and repair works including fixing with new brackets, screws etc. complete as per the direction of Engineer-in-charge.

Removing the damaged water supply fittings and replacing them with new fittings etc all complete as directed by the Engineer - in - charge.

C.P. brass bib cock 15 mm nominal bore of approved quality conforming to IS:8931:

C.P. brass pillar cock 15 mm nominal bore. of standard design and of approved make conforming to IS:8931.

Providing and fixing on wall face unplasticised Rigid PVC SWR pipes conforming to IS : 13592 of SUPREME OR Equivalent approved make and brand, including jointing with seal /rubber ring with solvent cement or rubber lubricant .

75 mm dia pipe

110mm dia pipe

Providing and fixing rigid SWR PVC fittings for PVC pipes of approved quality as directed by Engineer-in-charge.

110MM DIA BENDS with access door

75MM DIA BENDS with acess door

110MM DIA " T" with access door

75MM DIA "T" with acess door

110 MM DIA Slotted Vent cowl/terminal guard

75 MM DIA Slotted Vent cowl/terminal guard

Removing and resetting of BS slabs ( of approximate size 60x60x10 cm including removing the existing slabs, stacking within 50 mtrs lead, levelling ground surface, consolidating and filling with the available earth wherever required, refixing of the stone slab to the proper line and level, Flush/ Ruled pointing on stone work with cement mortar 1:3 (1 cement: 3 fine sand) all complete as directed by the Engineer-in-charge.

Dewatering sewage water entering in excavated trenches of manholes/pipe lines with 1HP submersible sewage pump and HDPE/PVC hose pipe up to 50m for discharge of sewage water to nearby municipal drain.

Providing and laying under ground low density foamed cellular wall PVC pipes and couplers conforming to IS:16098 (PART-1) including fixing pipe ends with solvent based cement adhesive in proper alignment complete as directed. (Note: The joint shall be tested for leakage before covering with infill material over the pipes)

160mm diameter PVC pipe of SN4 class, self fit type

Providing and fixing CPVC gate valve with handle of approved make (astral/ashirwad or equivalent)

20 mm nominal bore

Supplying & fixing CPVC Union of following size etc

20 mm nominal bore

Cleaning of drainage manholes and sewer lines by removing the deposited and other rubbish from the manholes and cleaning the sewer lines by rodding and flushing with water as directed by the Engineer -in- charge. (Rate per One manhole and sewer line to next manhole)

Cleaning of gully trap/nahni trap at all levels including rodding of vertical sewerage pipes, with G.I.wire of suitable thickness in blocked SWR pipes upto required length and removing all rubbish/sludge should be transported to outskirts to a place permitted by local muncipality, etc. complete in all respects and re-fixing and pointing the grating of floor trap with necessary white cement mixed with suitable pigment complete as per the direction of Engineer-in-charge. (Note:-T&P for the work shall be arranged by the agency).

Removal of blockage & Cleaning

Floor Trap/Nahni Trap/Gully trap

Easening of wooden doors / windows of any size and thickness by removing the doors /windows shutters making necessary repairs like plaining the edges as required so as to ensure smooth functional operation of the door/window and replacing the M.S.butt hinges wherever required etc,. all complete as directed by the Engineer-in-charge.

Door shutter

Window shutter

Excavating trenches in all kinds of soil of required width for making Emergency repairs to 40 to 100mm PVC / GI water supply line including carefully excavating upto the top of the pipe without damaging the existing pipe line, underground cables, dressing of sides including getting out the excavated soil,carefully removing the tree roots coming in the way of loop line( if any) to facilitate repair work & then refilling the soil in layers not exceeding 20cm in depth including consolidating each deposited layer by ramming watering etc. and disposing the surplus excavated soil as directed with the lead of 50 meter.

Providing and fixing fly proof galvanised M.S. wire gauge to windows and clerestory windows using galvanised M.S. wire gauge with average width of aperture 1.4 mm in both directions with wire of dia. 0.63 mm.including removing the available steel beading and netlon mesh and refxing the steel beading with necessary screws etc complete as directed by the Engineer in charge.

Pruning, trimming, of tree branches (ht 15 feet and above) and girth up to 50cm including removal of cut materials upto 50mt. lead and as per direction of officer in charge (necessary T&P shall be arranged bythe contractor).

Removing plants / vegetation grown up on walls surface and junctions of wall, at parapet wall and applying the acid for the roots which were exposed and cleaning the surface along with disposing the debris to the dumping yard etc., complete as per the directions of Engineer-in-charge.