Day to day maintenance of BSNL staff quarters at P and T Colony, Unit-IV, Bhubaneswar.

Amount

Sub-Head : Dismantling and Demolishing

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.

Sub-Head : Earth Work

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.

All kinds of soil.

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m.

Sub-Head : Concrete Work

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)

Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor, etc., up to floor five level, excluding the cost of centering, shuttering and finishing :

1:1½:3 (1 cement : 1½ coarse sand(zone-III) : 3 graded stone aggregate 20 mm nominal size).

Sub-Head : Reinforced Cement Concrete

Providing, hoisting and fixing above plinth level up to floor five level precast reinforced cement concrete in shelves, including setting in cement mortar 1:3 (1cement : 3 coarse sand), cost of required centering, shuttering and finishing with neat cement punning on exposed surfaces but , excluding the cost of reinforcement, with 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.

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

Sub-Head : Wood and P.V.C. Work

Providing wood work in frames of doors, windows, clerestory windows and other frames, wrought framed and fixed in position with hold fast lugs or with dash fasteners of required dia & length ( hold fast lugs or dash fastener shall be paid for separately).

Sal wood

Providing and fixing panelled or panelled and glazed shutters for doors, windows and clerestory windows fixing with butt hinges of required size with necessary screws, excluding panelling which will be paid for separately, all complete as per direction of Engineer-in-charge. (Note:- Butt hinges and necessary screws shall be paid separately)

Kiln seasoned and chemically treated hollock wood

30 mm thick shutters

Providing and fixing panelling or panelling and glazing in panelled or panelled and glazed shutters for doors, windows and clerestory windows (Area of opening for panel inserts excluding portion inside grooves or rebates to be measured). Panelling for panelled or panelled and glazed shutters 25 mm to 40 mm thick :

Ply wood 7 ply, 9 mm thick :

Decorative plywood one side decorative veneer and commercial veneer on other face (Type 1) conforming to IS 1328 BWR Type.

Providing and fixing glazed shutters for doors, windows and clerestory windows using 4 mm thick float glass panes, including ISI marked M.S. pressed butt hinges bright finished of required size with necessary screws.

Kiln seasoned and chemically treated hollock wood

30 mm thick

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.

Sub-Head : Steel Work

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.

Sub-Head : Flooring

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

Sub-Head : Roofing

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.

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

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.

Sub-Head : Water Proofing

Grading roof for water proofing treatment with

Cement mortar 1:3 (1 cement : 3 coarse sand)

Sub-Head : Finishing

12 mm cement plaster of mix :

1:6 (1 cement: 6 fine sand)

White washing with lime to give an even shade :

Old work (two or more coats) .

Distempering with 1st quality acrylic distember (Ready mix) having VOC content less than 50 grams/ litre of approved brand and manufacture to give an even shade :

Old work (one or more coats)

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

One or more coats on old work.

Sub-Head : Repairs to Buildings

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).

Renewing glass panes, with wooden fillets wherever necessary:

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

Float glass panes of nominal thickness 5 mm (weight not less than 12.5kg/sqm).

Supplying and fixing new wooden fillets wherever necessary:

Hollock wood fillets.

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)

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.

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.

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

Cutting holes of required size in brick masonry wall for fixing of exhaust fan including providing and fixing 300 mm dia PVC pipe conforming BIS-12818 and making good the same etc. complete as per direction of Engineer-in-charge.

Repairs to wooden door or window shutter for smooth closing and opening including necessary chiseling to frame or applying plane on edge of shutter all complete (area upto 2.00 Sqm)

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 15 to 40 mm dia G.I.pipe including stacking of dismantled pipes (within 50 metres lead) as per direction of Engineer-in-Charge. Internal work: Exposed on wall

Sub-Head : Sanitary Installations

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

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

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

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

White solid plastic seat with lid

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

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.

Sub-Head : Water Supply

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

20 mm nominal outer dia. Pipes.

25 mm nominal outer dia. Pipes.

40 mm nominal outer dia. Pipes.

50 mm nominal outer dia. Pipes.

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

20 mm nominal bore, 120 mm long. Weighing not less than 198 gms.

Sub-Head : Drainage

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

Raising manhole cover and frame slab to required level including dismantling existing slab and making good the damage as required (Raising depth of manhole to be paid separately) :

Rectangular manhole 90x80 cm with rectangular cover 600x450 mm of grade LD - 2.5

Sub-Head : MARKET RATED ITEMS

Providing & erecting single scaffolding system on the external side of building upto three storey height made of best quality bamboo ballies @ 1.5 m centre to centre in both directions including bracing & stiffening as required.

shifting & refixing available scaffolding materials to other locations along external side of the building inside the same compound for height upto three storeys & for facilitating execution of other maintenance operations as per direction of E.I.C.

Supplying & engaging unskilled labour along with T&P for cleaning of roof, chajja, rain water pipe mouth, drains & removing trees & plants etc as & when directed by Engineer-in-Charge.

Credit for taking into possession unserviceable dismantled GI / CI pipes & fittings

Credit for taking away unserviceable recovered water supply fittings / fixutures as is where is :

Unserviciable Brass Bib/stop cocks/pillar tap

Providing & fixing SWR URPVC soil, waste & vent pipes of approved make conforming to IS:13592 (Type-B) including jointing of pipes & fittings with rubber (seal) ring & one step UPVC solvent cement ,trenching, refilling & testing of joints complete as per direction of Engineer-in-Charge. External work

110 mm nominal outside diameter pipe

160 mm nominal outside diameter pipe

Cleaning of choked manhole chambers of inside size 90X80 cm including removing the filth,waste & sludge deposits and flushing of sewer line between manholes with sufficient water while rodding with split bamboo etc all complete as per direction of Engineer-in-Charge.

Cleaning of open surface drain of any size i/c removal of debrishes, clay deposits & disposal within a lead of 50 m all complete as directed by Engineer-in-Charge.

Easing & adjusting of door/window shutter for free movement of the same by making necessary repairs to shutter & frame all complete as per direction of Engineer-in-Charge.

Providing & fixing PVC ball valve with handle of approved quality in existing pipe line including removing the damaged valve etc. all complete as per the direction of Engineer-in-Charge.

40 mm nominal bore

50 mm nominal bore

KUMUD KUMAR SINGH