Renovation of toilets of TE building, Dudhani and cleaning and repairing of sewerlines, chambers and septic tank of Telephone Exchange Building and Staff Quarter Building at TE compound, Dudhani, Dumka .

Amount

Earth work in surface excavation not exceeding 30 cm in depth but exceeding 1.5 m in width as well as 10 sqm on plan including getting out and disposal of excavated earth upto 50 m and lift upto 1.5 m, as directed by Engineer-in- Charge:

a) All kinds of soil

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 50 m 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 :

a) 1:5:10 (1 cement : 5 coarse sand (zone-III) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources)

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

a) 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III): 3 graded stone aggregate 20 mm nominal size)

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

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

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 :

Providing and fixing ISI marked oxidised M.S. handles conforming to IS:4992 with necessary screws etc. complete :

Providing and fixing oxidised M.S. casement stays (straight peg type) with necessary screws etc. complete.

a)250 mm weighing not less than 150 gms.

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

Providing and fixing factory made P.V.C. door frame of size 50x47 mm with a wall thickness of 5 mm, made out of extruded 5mm rigid PVC foam sheet, mitred at corners and joined with 2 Nos of 150 mm long brackets of 15x15 mm M.S. square tube, the vertical door frame profiles to be reinforced with 19x19 mm M.S. square tube of 19 gauge, EPDM rubber gasket weather seal to be provided through out the frame. The door frame to be fixed to the wall using M.S. screws of 65/100 mm size, complete as per manufacturer’s specification and direction of Engineer-in-Charge.

Providing and fixing factory made panel PVC door shutter consisting of frame made out of M.S. tubes of 19 gauge thickness and size of 19 mm x 19 mm for styles and 15x15 mm for top & bottom rails. M.S. frame shall have a coat of steel primers of approved make and manufacture. M.S. frame covered with 5 mm thick heat moulded PVC ‘C’ channel of size 30mm thickness, 70 mm width out of which 50 mm shall be flat and 20 mm shall be tapered in 45 degree angle on both side forming styles and 5 mm thick, 95 mm wide PVC sheet out of which 75 mm shall be flat and 20 mm shall be tapered in 45 degree on the inner side to form top and bottom rail and 115 mm wide PVC sheet out of which 75 mm shall be flat and 20 mm shall be tapered on both sides to form lock rail. Top, bottom and lock rails shall be provided both side of the panel. 10 mm (5 mm x 2 ) thick, 20 mm wide cross PVC sheet be provided as gap insert for top rail & bottom rail, paneling of 5 mm thick both side PVC sheet to be fitted in the M.S. frame welded/ sealed to the styles & rails with 7 mm (5 mm+2 mm) thick x 15 mm wide PVC sheet beading on inner side, and joined together with solvent cement adhesive. An additional 5 mm thick PVC strip of 20 mm width is to be stuck on the interior side of the ‘C’ Channel using PVC solvent adhesive etc. complete as per direction of Engineer-in-charge, manufacturer’s specification & drawing.

a) 30 mm thick plain PVC door shutters.

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 factory made ISI marked steel glazed doors, windows and ventilators side /top /centre hung, with beading and all members such as F7D, F4B, K11 B and K12 B etc. complete of standard rolled steel sections, joints mitred and flash butt welded and sash bars tenoned and riveted, including providing and fixing of hinges, pivots, including priming coat of approved steel primer , but excluding the cost of other fittings, complete all as per approved design (sectional weight of only steel members shall be measured for payment).

a) Fixing with 15x3 mm lugs 10 cm. long embedded in cement concrete block 15x10x10 cm of C.C. 1:3:6 (1 Cement : 3coarse sand : 6 graded stone aggregate 20 mm nominal size).

Providing & fixing glass panes with putty and glazing clips in steel doors, windows, clerestory windows, all complete with :

a) 4.0 mm thick glass panes (weights not less than 10 kg/ sqm)

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

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.

a) 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.

a) Single tee with door i) 110x110x110 mm

b) Single tee without door i) 110x110x110 mm

c) Bend 87.5° i) 110 mm bend

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :

a) Two or more coats on new work

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.

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

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

a) Float glass panes of thickness 4 mm.

Renewal of old putty of glass panes (length) .

Cleaning of terrace/loft water storage tank (inside surface area) upto 2000 litre capacity at all heights with coconut brushes, duster etc., removal of silt, rubbish from the tank and cleaning the tank with fresh water disinfecting with bleaching powder @ 0.5gm per litre capacity of tank, including marking the date of cleaning on the side of tank body with the help of stencil and paint and disposing of malba, all complete as per direction of Engineer-in-Charge. (The old date already written on tank should be removed with paint remover or black paint and if date is not written with the stencil or old date is not removed deduction will be made @ Rs. 0.10 per litre if during cleaning any GI fittings or ball cock is damaged that is to be repaired by contractor at his own cost and nothing extra will be paid on this account)

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.

a) Orissa pattern W.C Pan of size 580x440 mm

Taking out existing wooden door shutter, repair by cutting, painting etc. and refixing of repaired door shutters to existing door frames, including replacement of hinges with screws, etc. as required, all complete as per the direction of the Engineer-in-charge.

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)

Dismantling doors, windows and clerestory windows (steel or wood) shutter including chowkhats, architrave, holdfasts etc. complete and stacking within 50 metres lead :

a) Of area 3 sq. metres and below

Dismantling of flushing cistern of all types (C.I./PVC/Vitrious China) including stacking of useful materials near the site and disposal of unserviceable materials within 50 metres lead.

Providing and fixing wash basin with C.I. brackets, 15 mm PTMT pillar cock, 32 mm PTMT waste coupling of standard pattern, including painting of fittings and brackets, cutting and making good the walls wherever required. White Vitreous China Flat back wash basin size 550x400 mm with single15 mm PTMT pillar cock.

Providing and fixing white vitreous china pedestal type (European type/ wash down type) water closet pan.

Providing and fixing 8 mm dia C.P. / S.S. Jet with flexible tube upto 1 metre long with S.S. triangular plate to Eureopean type W.C. of quality and make as approved by Engineer - in - charge.

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

P/F 5 litre white P.V.C. automatic flushing cistern with with all fittings and fixtures complete.

Providing and fixing solid plastic seat with lid for pedestal type W.C. pan complete :

White solid plastic seat with lid

Providing and fixing white vitreous china flat back or wall corner type lipped front urinal basin of 430x260x350 mm or 340x410x265 mm sizes respectively.

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

a) Semi rigid pipe i) 32 mm dia

Providing and fixing 600x450 mm beveled edge mirror of superior glass (of approved quality) complete with 6 mm thick hard board ground fixed to wooden cleats with C.P. brass screws and washers complete.

Providing and fixing 600x120x5 mm glass shelf with edges round off, supported on anodised aluminium angle frame with C.P. brass brackets and guard rail complete fixed with 40 mm long screws, rawl plugs etc., complete.

Providing and fixing PTMT Waste Coupling for wash basin and sink, of approved quality and colour.

a) Waste coupling 31 mm dia of 79 mm length and 62 mm breadth weighing not less than 45 gms.

Providing and fixing PTMT shelf 440 mm long, 124 mm width and 36 mm height of approved quality and colour. Weighing not less than 300 gms.

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings, i/c 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

a15 mm nominal outer dia Pipes.

b) 20 mm nominal outer dia Pipes.

c) 25 mm nominal outer dia Pipes.

d) 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, i/c 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

a) 15 mm nominal outer dia Pipes.

b) 20 mm nominal outer dia Pipes.

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

a) 25 mm nominal bore

b) 20 mm nominal bore

c) 40 mm nominal bore

Providing and fixing G.I. Union in G.I. pipe including cutting and threading the pipe and making long screws etc. complete (New work)

a) 15 mm nominal bore

b) 20 mm nominal bore

c) 25 mm nominal bore

d) 40 mm nominal bore

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

a) 15 mm nominal bore, 90 mm long, weighing not less than 93 gms

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

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

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

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

Providing and fixing PTMT grating of approved quality and colour.

a) Circular type. i) 125 mm nominal dia with 25 mm waste hole.

Providing and fixing PTMT swivelling shower, 15mm nominal bore. Weighing not less than 40 gms.

Providing and fixing unplasticised P.V.C. connection pipe with PTMT Nuts, collar and bush of approved quality and colour.

a) 15 mm nominal bore with 45 cm length.

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 :

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

Extra for depth for manholes :

a) Size 90x80 cm i) With common burnt clay F.P.S. (non modular) bricks of class designation 7.5

Cleaning of septic tank, adjoining chambers and connecting soil waste pipe lines by diesel running vehicle mounted hydraulic operated high pressure suction cleaning machine , removing the sludge deposits on floor and walls of the tank and chambers, removal of chokage, if any, from the pipe line, all complete as per direction and entire satisfaction of Engineer-in charge

Providing and fixing polyethylene water storage tank's cover with suitable locking arrangement, nuts and screws etc. complete.

Removal of chokage (Iron silt) in water supply G.I pipe line upto 50 mm dia by opening/ taking out and re-fixing the same with required new G.I fittings such as tee, elbow, nipples, cutting, threading etc.and making good the same as per direction of E-in-Charge

Removal of chokage from floor/Nahani trap and their associated pipes and bend so as to clear the flow of waste water all complete as per direction of E-I-C

Cleaning of main/subsidary open surface drain i/c removal of chokage by taking out soil, silt, sludge, garbage etc. and disposal of the same in to municipal dumping ground as per direction of E-in-Charge

Cleaning of rain water/waste & soil/pipe upto 100 mm dia i/c removal of chokage by taking out soil, silt, sludge, garbages & other refuses material and disposal of the same in to municipal dumping ground as per direction of E-in-Charge

Repair of not working low level flushing cistern i/c change of necessary fittings etc. all complete as per direction and fully satisfaction of E-in-Charge.

Removing tree on wall/roof i/c scaffolding and cutting the tree, providing chemical/acid to desolve the end roots etc so as to prevent future regeneration.

Periodic cleaning of sewer line, sewer manhole,gully chamber by using bamboo/rod for clearing the sewer line,taking out sludge, debris, rubbish and other waste materials, if any, from the sewer line and flooding/flushing with sufficient quantity of water with pressure to ascertain thorough cleaning of drainage system for smooth and proper functioning of sewer line including disposal of the all waste material outside the muncipal limit or burried into pits at safe available distance as directed all complete. (Note-The operation includes cost of all and nothing shall be paid extra on any account)

a) Sewer line upto 150 mm dia

b) Sewer Manholes of all sizes.

Providing and fixing C.I. bracket for wash basin and sink including removal of deterioated/damaged bracket and making good the wall same as per direction of E-I-C

Supply of semi skilled labour for carrying out miscellaneous jobs like cleaning, manual shifting of materials, simple plumbing works etc as and when required, on per day basis.

Providing and fixing bamboo scaffolding system on the exterior side, up to three story height with staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc. wherever required 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 .The elevational area of the scaffolding shall be measured for payment purpose. The payment will be made once irrespective of duration of scaffolding.

Credit for unserviceable material

a) Wooden items like flush door door shutter etc.

b) Wooden frame

c) Steel item like G.I. pipe, Floor spring, iron rods, M.S angle,tee,flats. Etc.

CHANDRA DEO SINHA