Maintenance and repairs to BSNL staff quarters at Gultekadi Pune dist for the year 2021-22 2nd Call

Amount

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 withwater. (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.

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)

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 (1cement: 4 coarse sand).

Renewing glass panes, with putty and nails wherever necessary including racking out the old putty: Float glass panes of thickness 4 mm.

Renewing glass panes and refixing existing wooden fillets:Float glass panes of nominal thickness 4 mm (weight not less than 10kg/sqm)

Supplying and fixing new wooden fillets wherever necessary: 2nd class teak wood fillets.

Cleaning and de-silting of gully trap chamber, including removal of rubbish mixed with earth etc. and disposal of same, all as per the direction of Engineer-in-charge.

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

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.

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 : a)15 mm to 40 mm nominal bore

Repairs to arrest leakage from Floor/ Nahani trap inlets in Bath room/ Wash basin/ Urinal/ Kitchen by cutting all type of floor of size 300 x 300 x 300mm deep around inlet gratings to get access to the mouth of PVC/ CI trap, sealing the joint using epoxy sealant putty, providing 110mm or 75mm dia. single piece PVC SWR pipe (matching to inlet size of existing floor trap) upto 300mm length from inlet of trap to the flooring top, refilling the pit with cement concrete 1:2:4 mixed with water proofing compound including disposal of rubbish to the municipal dumping ground all as per direction of Engineer-in-charge.

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: a) 100 mm diameter

a) 150 mm diameter metre

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

Removing of choke up inside quarters in kitchen, bath room and WC waste pipe line from inside the building so as to make it opertional etc all complete as directed by Engineer in Charge.

Cleaning of manholes by rodding, scrubbing and flushing to remove the clogged drain of sludge, waste & rubbish material and disposal of waste/ refuge/ filth etc. (recovered in this process) to a place permitted and approved by the Local Municipal corporation all as per the direction of Engineer-in-Charge.

Cleaning of sewer line by rodding, scrubbing and flushing to remove the clogged drain of sludge, waste & rubbish material and disposal of waste/ refuge/ filth etc. (recovered in this process) to a place permitted and approved by the Local Municipal corporation all as per the direction of Engineer-in-Charge. a)Sewer pipe line of dia. Upto 300mm.

Dismantling of gate valve including stacking of useful materials within 50 metres lead. Up to 150 mm diameter

Providing and fixing P.V.C. waste pipe for sink or wash basin including P.V.C. waste fittings complete. Flexible pipe 40 mm dia

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) 15 mm nominal outer dia. Pipes.

25 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. : a) 15 mm nominal outer dia. Pipes.

20 mm nominal outer dia. Pipes.

25 mm nominal outer dia .Pipes.

Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc. ( external work ) a) 25 mm dia nominal bore

40 mm dia. nominal bore

50 mm dia. nominal bore

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) : a) 25mm nominal bore

40mm nominal bore

50mm nominal bore

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 : 25 mm dia nominal bore

40 mm dia nominal bore

50 mm dia 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 unplasticised P.V.C. connection pipe with PTMT Nuts, collar and bush of approved quality and colour. 15 mm nominal bore with 45 cm length.

P/F gun metal gate valve with lever of approved quality.15mm nominal bore

Providing and fixing on wall face unplasticised PVC SWR soil, waste and vent pipes and fittings conforming to IS : 13592 Type B including jointing with seal ring conforming to IS : 5382 leaving 10 mm gap for thermal expansion etc at all heights complete as per direction of Engineer in Charge.a) 110 mm dia PVC pipe

75 mm dia PVC pipe

Holder clamps for 110 mm dia. Pipe

Holder clamps for 75 mm dia. Pipe

Single tee with door : 110x110x110mm.

Single tee with door : 75x75x75mm.

Plain Bend : 110 mm dia

Plain Bend : 75 mm dia

Providing and fixing trap of self cleansing design with screwed down or hinged grating with or without vent arm including dismantling of damaged trap, cost of cutting and making good the walls and floors : a) 100 mm inlet and 75 mm outleti) PTMT

Providing,laying and jointing of Eco drain pipes of M/S Supreme Co or equivalent including necessary fittings as per the direction of Engineer-in-charge a) 160 mm outer diametre.

110 mm outer diametre

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50 mm (+ 0.05 %) total coated thickness with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineerin- charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.

Providing and fixing precoated galvanised steel sheet roofing accessories 0.50 mm (+0.05 %) total coated thickness, Zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns using self drilling/ self tapping screws complete :

Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of: Asbestos cement sheet

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 Ball cock of approved quality, colour and make complete with Epoxy coated aluminium rod with L.P./ H.P.H.D. plastic ball a) 25 mm nominal bore, 152 mm long. Weighing not less than 440 gms.

Repairing the compound wall by closing the hole by brickwork ,plastering on both side etc complete as per direction of Engineer in charge.a) Hole of appr. Diametre of 1.5 mtr

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.

Cutting and removing the saplings grown on building from walls,C.I.pipe joints up to floor III level by removing the roots,pouring the acid at roots to prevent further growth including making hole at roof area ,pluging it by cement sand mortar of rich mix ,making good the wall damage etc complete as per direction of Engineer-in-charge.(.Note- 1 The samplings should be removed only after shown by the engineer in charge 2. Rate is inclusive of making arrangment for zoola/scaffolding required for work.3.).

Repairs to PVC overhead water tanks including removing existing G.I conections if required, welding the cracks by PVC material and refixing the tank in position with all connections including replacing the tank nipples if necessary etc. all complete as directed by engineer in charge.Water tanks up to 2000 lit capacity including all damage patches)

Attending the leakage from Floor/ Nahani trap from outer face of the building including up to floor III level dismantling the plaster around the floor trap,filling the joint of floor trap & bend properly and making good the wall damage complete as per direction of Engineer-in-charge.( Rate is inclusive of making arrangement of zoola/scaffolding required for carry out the work.)

Credit for the recovered items after dismantling or replacing the damaged items etc.(Note: 1. The rate quoted by the agency should be more than minimum reserve price. Any rate below the reserve price or no rate quoted will be considered as the rate of reserve price fixed and the amount of the item/s will be worked out on the basis of the minimum reserve price fixed for the item/s. 2. The materials will be handed over at site of work only, however BSNL reserves the right of using the recovered material, if required and the agency will not have any claim on any material if BSNL decides against handing over the items recovered from work at the quoted rate.) a) CP brass / bright brass / Gun metal fittings.

b) PVC flush tanks,bib cocks,stop cocks etc

Anoj Enterprises

NK Construction