12/EEC/BSNL/CD/BGL/202526

Amount

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

Dismantling of manhole including R.C.C. top slab, C.I. cover with frame, including stacking of useful materials near the site and disposal of unserviceable materials within 50 m lead as per direction of Engineer-in-Charge :

Rectangular manhole 90x80 cm and 45 cm deep

Dismantling of road gully chamber of various sizes including C.I. grating with frame including stacking of useful materials near the site and disposal of unserviceable materials within 50metres lead including refilling the excavated gap.

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

Nominal concrete 1:4:8 or leaner mix (i/c equivalent design mix)

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

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.

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

Dismantling old/damaged Wash basins of all sizes including disposal of dismantled materials i/c malba all complete as per directions of Engineer-in-Charge.

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.

Extra for additional labour required for demolition of concrete (1:3:6 or leaner mix) due to restricted headroom of 60cm & entry opening of 30cm below the staff quarter corridor slab at 4th floor level terrace

Providing water proofing treatment over fourth floor terrace with restricted working height of 60cm due to upper level corridor slab with following operations:

i) Applying bonding coat of 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 (DR. FIXIT 302 SBR Latex/FOSROC Nitobond SBR or equivalent) i) Laying cement mortar 1:5 mix (1 cement: 5 coarse sand ) layer of 25mm thick mixed with high workability super plasticiser (Conplast SP430 of FOSROC/ POLYTANCRETE NGT of sunanda chemicals or equivalent admixture conforming to IS:9103:1999), and laying brickbat layer above mortar layer including soaking of brickbat in water. iii) After one day curing, applying a second coat of cement slurry using 2.75 kg/ sqm of cement admixed with water proofing compound conforming to IS : 2645 then filling in the open joints of brick bats with cement mortar 1:5 mix (1 cement: 5 coarse sand ) mixed with high workability super plasticiser (Conplast SP430 of FOSROC/ POLYTANCRETE NGT of sunanda chemicals or equivalent admixture conforming to IS:9103:1999). iv) Finishing the surface with 20 mm thick jointless cement mortar of mix 1:4 (1 cement :4 coarse sand) admixed with water proofing compound conforming to IS : 2645 and finally finishing the surface with trowel with neat cement slurry

Water proofing treatment of RCC sunshade with Zycosil / equivalent water proffing solution [1 Litre Zycosil / equivalent & 20 litres of water stirred first & 2 litres of Zycoprime / equivalent added and stirred (total 23 litres)] till it meats the saturation level and testing as per RIELM or by water drops test in which water drop do not absorb but drop remains or rolls.

Extra for additional labour required for providing WP treatment due to restricted headroom of 60cm & entry opening of 30cm below the staff quarter corridor slab at 4th floor level terrace

Removing & refixing PVC pipes on temporary basis during laying of WP treatment including cutting the pipes at required section to facilitate WP treatment & refixing with new PVC collar of matching size & liquid cement complete as directed by Engineer in charge.

Pipes up to 150mm dia

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

100 mm dia pipe

150 mm dia pipe

Providing and fixing soil, waste and vent pipes :

150mm dia. Centrifugally cast (spun) iron socket & spigot (S&S) pipe as per IS: 3989

Providing and fixing Centrifugally cast (spun) iron socket & spigot (S&S) FITTINGS as per IS: 3989 of required degree.

150 mm dia plain Y-junction (single)

Providing and filling the joints with spun yarn, Rapid setting polymer modified cementitios mortar (Renderoc plug of FOSROC or equivalent) in S.C.I./ C.I. Pipes :

150MM dia.

Providing and fixing on wall face unplasticised Rigid PVC SWR pipes conforming to IS : 13592 Type-B, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion

150 mm dia pipe

100 mm dia pipe

75 to 80 mm dia pipe

P/F 2mm thick GI slotted wall bracket for fixing of PVC pipes in shaft

200x50mm bracket

P/F GI saddle (U-clamp) with nuts and washers of matching size for fixing of PVC pipes over wall brackets

150 mm dia pipe

P/f PVC MANHOLES CHAMBER (SUPREME ECO DRAIN ULTRA OR EQUIVALENT)

Straight through junction chamber of size- 355x160x160 mm with one inlet and one outlet (NU DRAIN of SUPREME or equivalent)

Multiple inlet junction chamber of size 355x160x110 mm-three nos-90 degree inlets and Two nos 45 degree inlets ( NU DRAIN of SUPREME or equivalent)

Bottle Gully trap (NU DRAIN of SUPREME or equivalent) of size-160x100x 100mm with One inlet and One outlet

Height extender Shaft pipe- (NU-DRAIN ROTOMOULD of SUPREME Or equivalent) 355x450mm

PP Glass fiber Chamber cover with matching frame- (NU-DRAIN of SUPREME Or equivalent) 355x450mm

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).

50 mm average thickness in 3 layers.

Chipping of unsound/weak concrete material from slabs, beams, walls 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

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-harge.

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

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

Providing and laying water proofing treatment to vertical and horizontal surfaces of depressed portions of W.C., kitchen and the like consisting of:

(i) Ist course of applying cement slurry @ 4.4 kg/sqm mixed with water proofing compound conforming to IS 2645 in recommended proportions including rounding off junction of vertical and horizontal surface. (ii) IInd course of 20 mm cement plaster 1:3 (1 cement : 3 coarse sand) mixed with water proofing compound in recommended proportion including rounding off junction of vertical and horizontal surface. (iii) IIIrd course of applying blown or residual bitumen applied hot at 1.7 kg. per sqm of area. (iv) IVth course of 400 micron thick PVC sheet. (Overlaps at joints of PVC sheet should be 100 mm wide and pasted to each other with bitumen @ 1.7 kg/sqm).

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

1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources).

Providing and filling light weight cinder in sunken portions etc. complete as per directions of E-I-C (Nominal size 20mm)

Providing and laying Ceramic glazed floor tiles of size 300x300 mm(thickness to be specified by the manufacturer) of 1st quality conforming to IS : 15622 of approved make in colours such as White, Ivory, Grey, Fume Red Brown, laid on 20 mm thick cement mortar 1:4 (1 Cement :4 Coarse sand), jointing with grey cement slurry @ 3.3kg/sqm including pointing the joints with white cement and matching pigment etc. complete.

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

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 rigid SWR UPVC fittings for PVC pipes of approved quality as directed by Engineer-in-charge.

PVC (solvent joint) coupler 75mm dia

PVC (solvent joint) coupler 110mm dia

PVC Plain TEE (solvent joint) -110mm dia.

PVC Plain/shoe bend 75mm

PVC Plain/shoe bend 110mm

PVC door bend 110mm

PVC Reducer bush- 160x110mm

PVC Reducer bush- 110x75mm

Making reconnection to existing PVC pipe lines by removing old fitting such as tee/bend etc. and fixing new/old PVC line after repairs by necessary cutting as per requirement fixing with liquid cement etc. complete

Providing and laying under ground low density foamed cellular wall PVC pipes and couplers conforming to IS:16098 (PART-1) including fixing pipe ends with solvent based cement adhesive in proper alignment complete as directed. (Note: The joint shall be tested for leakage before covering with infill material over the pipes)

150mm diameter PVC pipe of SN4 class, self fit type

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 the cost of cutting chases and making good the same including testing of joints complete as per direction of Engineer in Charge. : Internal work - Exposed on wall

50 mm nominal outer dia .Pipes.

40 mm nominal outer dia .Pipes.

Providing and fixing PVC-SWR multi floor trap of self cleansing design with PVC grating over top inlet complete, including cost of cutting and making good the floors :

100 mm inlet and 75mm outlet with 100mm height

Credit for unserviceable CI/GI pipes recoverred by dismantling under the relevant items of the agreement

Repairs to the alumiuium sliding window shutters by removing the dirt inside bottom runners removing and refixing sliding shutters by providing new rubber beading, new PVC rollers, tightening of screws/cleats for smooth movements all complete as per the direction of the Engineer in charge

window shutters of size up to 1.00sqm

Cutting of banyan/peepal tree growth around pipes/chambers up to sixth floor level and root extractions with following operations (scaffolding and dismantling of pipes shall be paid for separately wherever required as per direction of Engineer-in-charge)

a) Cutting branches/stems with hand saw/axe etc. including drilling 10mm dia. holes of 100mm deep in as many branches as possible at site and grouting Systemic Herbicide containing Glyphosate 41% (Glycocin of Maharashtra biofertilizer or roundup of Bayer) with 10ml injection syringe, with all safety precaution such as hand gloves, plastic container for handling the chemical, soap for washing hands immediately after grout opertation under proper supervision b) Uprooting the left over stem/roots embeded in masoary wall/slab adjecent to drainage pipes, after fifteen days with chiesel and pluging gap with cement mortar, disposal of vegetation, debris within 50m lead.

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.

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.

Providing and fixing rigid SWR UPVC fittings for PVC pipes of approved quality as directed by Engineer-in-charge.

PVC Plain/ shoe bend -150mm

Plain tee-150mm