NIT No 25 BCDH-I Hyd SGD Repair to S Qtrs 4th Call

Amount

Providing and fixing double scaffolding system (cup lock type) on the exterior side, up to seven story height made with 40mm dia. M.S. tube 1.5m centre to centre horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. 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.

Note: - This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done.

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 :

a) All kinds of soil.

i) 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)

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)

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

Foundations, footings, bases of columns, etc. for mass concrete

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 aluminium tower 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 necessary screws etc. complete :

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

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.

Twin rubber stopper

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.

30 mm thick plain PVC door shutters.

Providing and fixing 1mm thick M.S. sheet door with frame of 40x40x6 mm angle iron and 3 mm M.S. gusset plates at the junctions and corners, all necessary fittings complete, including applying a priming coat of approved steel primer.

a) Using M.S. angels 40x40x6 mm for diagonal braces

Providing and fixing T-iron frames for doors, windows and ventilators of mild steel Tee-sections, joints mitred and welded, including fixing of necessary butt hinges and screws and applying a priming coat of approved steel primer.

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

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,

110mm 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.

Bend 87.5° ---110mm deameter

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

12 mm cement plaster of mix :

1:6 (1 cement: 6 fine sand)

15 mm cement plaster on the rough side of single or half brick wall of mix :

1:6 (1 cement: 6 fine sand)

6 mm cement plaster of mix :

1:3 (1 cement: 3 fine sand)

Distempering with 1st quality acrylic distemper, having VOC (Volatile Organic Compound ) content less than 50 grams/ litre, of approved brand and manufacture, including applying additional coats wherever required, to achieve even shade and colour.

Two coats.

White washing with lime to give an even shade :

a) Old work (one or more coats) .

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.

Finishing walls with Acrylic Smooth exterior paint of required shade :

a) Old work (One or more coat applied @ 0.90 ltr/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).

Providing and fixing white vitreous china water closet squatting pan (Indian type) :

Orissa pattern W.C. pan of size 580x440 mm

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 white vitreous china wash basin including making all connections but excluding the cost of fittings :

Flat back wash basin of size 550x400 mm.

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

Flexible pipe

32 mm dia

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

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

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

a) 20 mm nominal outer dia. Pipes.

b) 25 mm nominal outer dia .Pipes.

c) 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

a) 25 mm nominal outer dia. Pipes.

b) 40 mm nominal outer dia. Pipes.

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 :

a) 25 to 40 mm nominal bore

Providing and fixing uplasticised PVC connection pipe with brass unions :

45 cm length

15 mm nominal bore

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

a) 20 mm nominal bore

b) 25 mm nominal bore

c) 40 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 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, laying and jointing glazed stoneware pipes class SP-1 with stiff mixture of cement mortar in the proportion of 1:1 (1 cement : 1 fine sand) including testing of joints etc. complete :

a) 100 mm diameter

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

a) 100 mm diameter S.W. pipe

Providing and fixing CPVC union in CPVC pipe line including cutting and jointing with CPVC solvent cement etc complete.

a)20 mm nominal bore

b)25 mm nominal bore

c)32 mm nominal bore

d)40 mm nominal bore

Removing glass panes from windows and replacing them with new glass panes with putty and nails wherever necessary : float glass panes of thickness 4mm

a) for windows in ground floor and /or for windows which can be accessed from inside of the room / bolcony with ladder arrangement wherever necssary.

b) for windows in upper floors ( other than ground floor ) up to 8 floors with necessary Jhoola arrangement

Removal of vegetation at walls/roofs and floors/drainage systems/water supplying stream of the building/over head tanks or at any location and applying any special chemical to defective area to prevent vegetation growth and finishing the same with cement concrete/mortar to match the surface of walls/floors/roofs., etc complete as per the directions of engineer-in-charge(cement concrete/mortar to be paid in separate item.)(Uprooting of vegetation in each location will be measured as one job)

Cutting /Pruning branches of trees for avoiding entering houses and obstructing colony lighting and electrical wire free passing and disposing the cutting pieces away from the compound to the dumping ground as directed by the engineer-incharge. (Pruning/cutting of each branches for each tree will be measured as one job)

Repairs to the existing Aluminium/PVC/Wooden doors/windows by removing and refixing the same after attending necessary repairs etc. with necessary screws, nails ,hinges etc including welding etc wherever required complete to make it working condition (Each door/window irrespective of size will be measured for payment. cost of Hinges, handles and other accessaries if any will be paid separately).

Cleaning of terrace / canopy/ chajjas by removing leaves grass dust, rubbish and other deposited / accumulated materials etc including removal of blockages/chockages of khurras/spouts of terrace/chajjas etc and disposal of rubbish to the dumping ground out side periphery of the building. (plan area of the terrace/chajja/canopy will be measured for payment)

Terrace area connected to blocked khurras and spouts & like.

Chajjas area connected to blocked spouts & like

Cleaning of Under ground water storage tank or sump or over head tank of any capacity by following method: (1) Empty the tank/sump and make it to near dry, (2) Apply bleaching powder uniformly ( tank capacity @ 0.50gms/liter) surface of inside the tank/sump perfectly by removing scales on walls and wait for one hour (3) after one hour clean/rinse at the tank/sump with fresh water ,repeat the above process , (2) and (3) for two to three times , (4) remove the mud/silt/sludge and garbage from the tank with specified sludge pump, (5) spraying anti bacteria agents on walls to kill harmfull bacteria. Rate includes for all above operations including the equipment and material required for cleaning all complete as directed by the Engineer-in-charge.

a)Liquid capacity of water tanks of any capacity in litres is measured for payment

Cleaning of exisitng sewer lines, manholes etc. Cost includes all labour for removing the silt, slush, waste etc. and rodding the sewer lines and manholes by mobile sewer rodding equipment/manually from manhole to manhole to clear the blockage, chokages etc for proper functioning of sewer lines( The payment shall be made for removal of blockages in between manhole to manhole as one job with all above operations.)

Providing and fixing Pre-cast gully trap cover of INDO/KITTO make or equivalent of 25mm thickness of size 300 x 300 mm or of required size as per requirement for existing gully trap with necessary repairs etc all complete as per the directions of Engineer-In-Charge

Providing and fixing M.S Brackets for wash basin/Sink or required size embedded in cement concrete including cutting and making good walls etc., all complete as per the directions of Engineer-in-Charge. Pair of brackets is measured for payment.

Repairs to pvc flush tank with replacing the lever or handle wherever required including changing the syphon set including cleaning the durt, scales, adjustment in the flush mechanism etc, complete. Repairing as above for each tank is measured for payment.

Repairs to pvc flush tank with replacing the lever or handle wherever required but without changing the syphon set including cleaning the durt, scales, adjustment in the flush mechanism etc, complete. Repairing as above for each tank is measured for payment.

Cleaning of existing Gully chamber for removal of blockages including removing the silt , slush,, waste etc and rodding the sewer lines and nearest manholes by manually to clear the blockage, chokages etc for proper functioning of sewer line sensuring smooth flow etc. (Cleaning as above for each gully trap chamber is measured as one job)

Providing and fixing gun metal ball valve with SS ball & MS lever including cutting and threading the GI Line wherever required etc. complete

a)25 mm nominal bore

b)40 mm nominal bore

Replacing existing damaged sanitary pipes by providing UPVC SWR soil waste and vent pipes by cutting, removing, replacing with working pressure 6kgf/sq.cm conforming to IS : 13592 Type B including jointing with 'T' shaped seal/rubber ring conforming to IS : 5382 and with solvent cement or rubber lubricant as the case may be with pipes of outer dia (concealed pipe joints to be jointed with rubber ring and solvent cement and exposed joints to be jointed with rubber ring and rubber lubricant. (i)Single socketed pipe(couplings,other accesories will be paid seperately)

110mm diameter

75mm diameter

Replacing existing on wall face damaged unplasticised - PVC moulded fittings/ accessories with new fittings/accessories for unplasticised Rigid PVC SWR pipes conforming to IS : 13592 Type A including cutting,replacing,jointing with seal ring conforming to IS :5382 leaving 10 mm gap for thermal expansion.

Coupler

Plain bend of required degree

110mm bend

75mm bend

Tee with door

Door bend

Carting out of building rubbish / malba / similar unserviceable, dismantled, excavated or waste materials by mechanical means,through private carrier including lifting, loading, transporting, unloading to municipal dumping ground beyond 50 m initial lead,or in any other compound as decided by the Engineer-in-charge, for all leads including all lifts involved.

Removing of existing PVC water storage tanks by removing existing GI connection, float valve, including repairing of the tanks and refixing the same on the base with all the GI connections, float valve and other accessories etc all complete as per the directions of Engineer-In-Charge.