50/WB/CD-KOL/BSNL/NIT/22-23

Amount

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 :

1:2:4 (1 Cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

1:5:10 (1 cement : 5 coarse sand(zone-III) : 10 graded stone aggregate 40 mm nominal size).

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 37 mm thick factory made PVC door shutter, styles and rails made of PVC hollow section of size 100mm x 37mm with wall thickness 2mm ( ± 0.2mm), with inbuilt bead on one side, styles and rails mitered cut and joint at the corners by means of 2 nos. of plastic brackets of size 75mm x 220mm at each corner and stainless steel screws, reinforcing the hinge side of style by inserting PVC profile of size 28mm x 30mm, with wall thickness 2 mm( ± 0.2mm). Lock rail of size 100mm x 37mm, wall thickness 2mm (± 0.2mm) will be fixed to the vertical styles. Providing with PVC snap fit beads and panel of size 100mm x 20 mm, and inserting 2 nos. tie bar of 6 mm dia and fastening with nuts and washers complete, all as per manufacturer's specification and direction of Engineer-in-charge.

Kota stone slab flooring over 20 mm (average) thick base laid over and jointed with grey cement slurry mixed with pigment to match the shade of the slab including rubbing and polishing complete with base of cement mortar 1 : 4 (1 cement : 4 coarse sand) :

25 mm thick.

Distempering with 1st quality acrylic distemper (ready mixed) of approved manufacturer, of required shade and colour complete, as per manufacturer's specification.

Two or more coats on new work.

Applying one coat of water thinnable cement primer of approved brand and manufacture on wall surface :

Water thinnable cement primer.

Wall painting with acrylic emulsion paint of approved brand and manufacture to give an even shade:

Two or more coats on new work.

Providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth 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 directions of Engineer-In-Charge.

With cement mortar 1:4 (1cement: 4 coarse sand).

Removing dry or oil bound distemper, water proofing cement paint and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete.

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.

Melamine polishing on wood work (one or more coat).

Dismantling W.C. Pan of all sizes including disposal of dismantled materials i/c malba all complete as per directions of Engineer-in- Charge.

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.

Repairing cistern i/c cleaning, washing with muriatic acid and refixing the existing fittings complete.

Supplying of Styles & rails for wooden door / window shutters complete of Gamar or equvalent hard wood . (Payment to be made on area of new work

35 mm thick shutter

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

Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Taking out doors, windows and clerestory window shutters (steel or wood) including stacking within 50 metres lead:

Of area 3 sq. metres and below

Dismantling tile work in floors and roofs laid in cement mortar including stacking material within 50 metres lead.

For thickness of tiles 10 mm to 25 mm

Dismantling C.I. or asbestos rain water pipe with fittings and clamps including stacking the material within 50 metres lead

100 mm dia pipe

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

Providing and fixing UPVC fittings for repairs to soil waste pipe with necessary rubber ring, solvent cement, gasket etc. complete of supreme or equivalent as per direction of Engineer-in-Charge. 110 mm dia

Door bend (T/S) of required degree with access door.

Single Tee with door.

150 mm long W.C. connector straight (Reducer type) (125 X 110 mm).

Vent Cowl.

Providing and fixing white vitreous china pedestal type water closet (European type W.C. pan) with seat and lid, 10 litre low level white P.V.C. flushing cistern, including flush pipe, with manually controlled device (handle lever), conforming to IS : 7231, with all fittings and fixtures complete, including cutting and making good the walls and floors wherever required :

W.C. pan with ISI marked white solid plastic seat and lid

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. Flexible pipe

32 mm dia

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

Waste coupling 38 mm dia of 83 mm length and 77 mm breadth, weighing not less than 60 gms.

Providing and fixing UPVC soil, waste and vent pipes conforming to ISI No.13592 1992 (TYPE-B) manufactured by Supreme or equivalent as directed by the Engineer-in-Charge.

110 mm pipes.

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.

125 mm nominal dia with 25 mm waste hole.

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.

15 mm nominal bore, 105 mm long. Weighing not less than 138 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.

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level in all shapes and sizes in :

Cement mortar 1:4 (1 cement : 4 coarse sand)

Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge..

In cement mortar

12 mm cement plaster of mix :

1:4 (1 cement: 4 fine sand)

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

1:4 (1 cement: 4 fine sand)

Extra for providing and mixing water proofing material in cement plaster work in proportion recommended by the manufacturers.

Repairing crack in wall by cement grouting (1 : 2) including widening the crack on the surface (into V section) cleaning and packing the same with cement mortar (1 : 2) and finishing off to match with adjacent surface. (Cement-69 Kg/100 m)

(A) Stitching crack in brick wall by carefully cutting out face brick 125 mm. deep into the wall, cleaning the gap and filling up the same with precast cement concrete block carefully set in cement mortar (1:3) including mending good damages and finishing the surface to match with adjacent areas complete as per direction. (i) With plain cement concrete blocks(1:1½:3) with stone chips

(a) Block size 250 x 125 x 75 mm.

(B) Stitching crack in brick wall by carefully cutting out face brick 250 mm. long, 75 mm. thick and 125 mm deep into the wall,cleaning the gap and filling up the same with sound new brick, carefully set in cement mortar (1:3) including mending good damages and finishing the surface to match with adjacent areas complete as per direction

Providing, mixing and applying bonding coat of approved adhesive on chipped portion of RCC as per specifications and direction of Engineer-In-charge complete in all respect.

SBR Polymer (@10% of cement weight) modified cementitious bond coat @ 2.2 kg cement per sqm of surface area mixed with specified proportion of approved polymer

Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge

25 mm average thickness

Cleaning of reinforcement from rust from the reinforcing bars to give it a total rust free steel surface by using alkaline chemical rust remover of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry, all complete as per direction of Engineer-In-Charge.

Bars upto 12 mm diameter

Providing, mixing and applying SBR polymer (of approved make) modified Cement mortar in proportion of 1:4 (1 cement: 4 graded coarse sand with polymer minimum 2% by wt. of cement used) as per specifications and directions of Engineer-in-charge.

Note: Measurement and payment: The pre-measurement of thickness shall be done just after the surface preparation is completed and Payment under this item shall be made only after proper wet curing has been done and surface has been satisfactorily evaluated by sounding / tapping with a blunt metal instrument and/or the 75mm size cube crushing strength at the end of 28 days to be not less than 30 N/Sqmm2). 25 mm average thickness in 2 layers.

Providing, mixing and applying SBR polymer (of approved make @ minimum 2% by wt. of cement used) modified plain/reinforced cement concrete for structural members having minimum characteristic compressive strength [with ordinary portland cement, coarse sand and graded stone aggregate of 10mm maximum size in proportion as per design criteria] with specified average thickness. Note: Rates shall be for finished surface area of concrete and shall include the cost of labour, concrete and appropriate approved Super- Plasticiser for rendering concrete as flowable and SBR polymer but shall exclude cost of reinforcement, bond coat, Shear Keys, centering and shuttering, strutting, propping etc.

50mm thick in Grade M 25 with cement content not less than 330 kg per cum

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.

BHAWANI ENTERPRISE