Special repairs to external surfaces including minor structural repairs , sanitary, plumbing , carpentary works and other misc civil works at Type II Staff QtrsBldg no 3 ,Palace Compound ,Imphal

Amount

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)

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

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 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 :

15 mm to 40 mm nominal bore

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.

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.

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,

Clearing grass and removal of the rubbish up to a distance of 50 m 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) : 4 graded stone aggregate 20 mm nominal size)

1:4:8 (1 Cement : 4 coarse sand(zone-III) : 8 graded stone aggregate 40 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.

Providing and fixing ISI marked M.S. pressed butt hinges bright finished with necessary screws etc. complete :

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.

Single rubber stopper

Finishing walls with Acrylic Smooth exterior paint of required shade :

New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm).

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.

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.

75 mm diameter

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.

Single tee with door

Single tee without door

110 mm bend

Shoe (Plain)

110 mm Shoe

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

1:4 (1 cement: 4 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.

One coat.

Two coats.

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 putty and nails wherever necessary including racking out the old putty:

Float glass panes of thickness 4 mm.

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.

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 of chocked sewer line by diesel running vehicle mounting hydraulic operated high pressure suction cum jetting sewer cleaning machine fitted with pump having 4000 litres suction capacity and 6000 litres water jetting tank capacity including skilled operator, supervising engineer etc. for cleaning and partial de-silting of manholes and de-chocking of sewer lines. De-chocking and flushing of sewer line from one manhole to another by high pressure jetting system of 2200 PSI for sewer line from 150mm dia upto 300mm dia for all depth.

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 and fixing water closet squatting pan (Indian type W.C. pan ) with 100 mm sand cast Iron P or S trap, 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

White Vitreous china Orissa pattern W.C. pan of size 580x440 mm with integral type foot rests

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 wash basin with C.I. brackets, 15 mm C.P. brass pillar taps, 32 mm C.P. brass waste of standard pattern, including painting of fittings and brackets, cutting and making good the walls wherever require:

White Vitreous China Flat back wash basin size 550x400 mm with single 15 mm C.P. brass pillar tap.

Applying priming coats with primer of approved brand and manufacture, having low VOC (Volatile Organic Compound ) content.

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. A.Flexible pipe

32 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 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

20 mm nominal outer dia. Pipes.

25 mm nominal outer dia .Pipes.

Providing and fixing uplasticised PVC connection pipe with brass unions : 45 cm length

15 mm nominal bore

Providing and fixing C.P. brass bib cock of approved quality conforming to IS:8931:

15 mm nominal bore.

Providing and fixing C.P. brass stop cock (concealed) of standard design and of approved make conforming to IS:8931.

15 mm nominal bore.

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/ mm2).

25 mm average thickness in 2 layers.

50 mm average thickness in 3 layers.

Providing and fixing factory made 30 mm thick door shutter made of solid PVC foam profile. The styles & rails shall be of size 75 mm x 30 mm having wall thickness 5 mm. The styles, top & bottom rails shall have one side wall thickness of 15 mm integrally extruded on the hinge side of the profile for better screw holding power. The styles and rails shall be reinforced with M.S. tubes of size 33 mm x 17 mm x 1 mm, painted with primer , all four corners of reinforcement to be welded or sealed. Solid PVC extruded bidding (push fit type) will be set inside the styles and the rails with a cavity, to receive single piece extruded 5 mm PVC sheet as panel. The styles and rails will be mitred cut and joint with the help of PVC solvent cement & self driven self tapping screws. Single piece extruded solid PVC lock rail of size 100 mm x 30 mm with wall thickness 5 mm & 15 mm integrally extruded in the middle of the lock rail & fixed with styles with the help of PVC solvent cement & self driven self tapping screws of size 100 mm x 8 mm complete as per manufacturer’s specifications and direction of Engineer-in-charge.

a)Non decorative finish.

Providing and fixing CPVC Ball valve /Patti valve of approved make with Stainless steel (AISI-304) ball and pin, teflon (PTFE) seats and seals, inside pin type screwed female ends with M. S. lever with necessary nuts etc complete of approved quality.

15 mm nominal bore

20 mm nominal bore.

25 mm nominal bore

Easing of doors and windows etc. from stiffened state including sawing of the edges, oiling/ greasing/ tightening of hinges, correcting alignment and other minor repairs without requirement of additional materials other than nails, screws etc. for its smooth and proper functioning complete, all as directed by the Engineer-in-Charge.

Repairs to existing door/ cupboard/ window shutter by removing the shutter from its position, repairing the same by replacing the damaged item like style, rails, panels etc. including fixing available old fittings and replacing the hinges, if required, and making it operational properly and refixing the same to its original position etc. all complete as directed by Engineer-in-Charge. (The cost of materials like wooden style, rails, panels etc. shall be paid separately)

Door /cupboard - Single shutter

Door/ cupboard - Double shutters

Window - Single shutter

Window - Double shutters

Providing and applying Two coats of "Dr. Fixit Raincoat" or equivalent over one coat of primer of "Dr. Fixit Primeseal" or equivalent on external wall surface (prone to leakage due to heavy rain) etc. all complete as per manufacturers specifications in following sequence of operations. a. All new cement-sand renderings /concrete surfaces should be allowed to age 6 to 8 weeks before surface treatment. b. Surface for treatment must be thoroughly cleaned of all laitance, loose material, oil, grease, etc. by mechanical means such as wire brushing & shot blasting. c. Finally vacuum cleaning of all loose solids and liquids can be done, if required. d. All surface cracks upto 5 mm width and above should be filled separately (to be paid under different item). e. Prime the surface with Dr. Fixit Primeseal diluted with potable water by volume in 2:1 ratio (2 parts primer and 1 part water) and allow it to dry for 2 to 3 hours f. Use Raincoat directly from the container (Stir contents well before use), Apply two neat coats of Raincoat without dilution by brush or roller at a time interval of 5-6 hours on rain lashing walls, chajjas and parapet walls. g. Allow the coated surface to air cure fully for 7 days."

Filling cracks in wall surface plaster with Elastomeric Acrylic Crack Filler, readymade paste having auto-suction, impermeable & non-shrink property (Polyfill-AR of Sunanda chemical or equivalent) defining the crack with sharp pointed tool/ power cutter etc., to make it 6 to 8mm-wide & 6mm deep, cleaning mortar dust/ algae etc. with water spray & brush including applying second course of the crack filler wherever required to make up depression formed after first course for all leads and lifts complete all as per directed by Engineer-in-Charge (Note: The entire wall treated with crack filler shall have to be got approved before commencement of painting or other treatment on wall surface)

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 W.C. Pan of all sizes including dismantling lime/ cement concrete and disposal of dismantled materials including malba to municipal dump all complete as per directions of Engineer-in-charge.

Providing and fixing PVC overhead tank cover of required size including fixing with lever hinge clip etc. all complete as per direction of Engineer-in-charge.

Cover for PVC tank of 500 to 5000 litre capacity.

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 chocked drainage lines in kitchen, bathroom and water closet from inside of staff quarters including removal of all type of blockage and disposal of same, all as per the direction of Engineer-in-charge.

From kitchen and bathroom.

From Water Closet (WC).

Cleaning of chocked drainage lines in kitchen, bathroom and water closet from outside of staff quarters with the help of Jhoola/ ladder etc. by opening of C.I./ PVC plug of waste pipe line and clearing all type of blockage by rodding or other suitable tools and disposal of same, all as per direction of Engineer-in-charge.

From kitchen and bathroom.

From Water Closet.

Cleaning of terrace / roof including Khuras, entry mouth of Rainwater pipes and Rainwater collection drains of sloping roofs etc.by scrapping and brooming, taking out all the dust, dirts, tree leaves, etc. available during the operation, dumping on a stacking place within the compound and as per the direction of Engineer in Charge. (Note:Terrace means roof slabs,Corrugated G.I /A.C (only plan area ) or plain sheet roofs).

Cutting and removing the saplings grown on external faces of building (Height upto 18 m)from walls,C.I.pipe joints ,outer sill of windows ,chajjas etc.at all levels (upto terrace level) by removing the sapling along with roots,applying acid at roots area to prevent further growth including pluging the root area with cement mortar of rich mix including providing neccesary scafolding or jhula with required safety arrengement for entier building on all side upto terrace level whenever required throughout the year.including disposal of the same where directed by Engr-in-Charge etc complete.( Payment will be made as a per building per year basis)

Cleaning of sewer line including taking out sludge/ clogged material, rodding & flushing with sufficient quantity of water to ascertain smooth functioning of sewer line and disposal of the waste to the Municipal Dump permitted by the Local Municipal Corporation.

(a) Size of sewer line upto 150 mm dia

Providing and fixing bamboo double scaffolding by placing bamboos at 0.9 m centre to centre , including horizontal and diagonal bracing etc coplete as directed by EnGINEER -In Charge

Providing and fixing in vertical position M.S.adjustable tubular props & jacks under beam/lintel/slab/ chajjas made with M.S.tube of 100mm dia. and carrying capacity 10 - 15 M.T. and max height 3.60 m including necessary wooden battens as per site requirement for relieving of structural RCC members. Rate of Item is inclusive of the removal of the same after 15 days from final structrual repairing of the RCC member etc.complete as per direction of the Engineer In Charge. ( Rate inclusive of hire charges , transportation , loading ,unloading of battens, M.S.props & jacks)

Cleaning of open or covered storm drain / gutter and disposal of waste, debris, sludge etc. out side the premises as directed by Engineer in Charge.

Size upto 0 .60 m width and 0.60 m deep.

P/F C.P. brass pillar cock of approved quality conforming to IS:8931a) 15 mm nominal bore

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 directed by Engineer-in-charge,

Repairs to damaged sewer manholes including removing the choke up / sewage , providing brick masonary in cement mortar 1:6 ( 1cement:6 fine sand) ,providing 20 mm tk cement plaster in cement mortar 1:4 ( 1 cement :4 fine sand ) , neat cement punning etc complete as directed by E-In-C.

Cleaning of septic by mechanical suction machine including disposal at designated sewagwe disposal location as per local bye laws etc complete as directed by E-In- c

Size -Upto 50 users

Providing and fixing automatic sewage submersible pump 0.75 HP for disposal of septic tank effluent , including necessary electrical connection , 200 lit PVC drum to collect sewage water, 25 MM cpvc outlet pipe till storm water drain , including necessary excavation and backfilling etc complete as directed by E-IN-C.

Credit for the recovered items after dismantling or replacing the damaged items etc. (Note: 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 of the items recovered from work at the quoted rate.)

CP brass / bright brass / Gun metal fittings.

Mild Steel/ Cast Iron/ Galvanised Iron tubes & fittings.

Wooden Paneled /flush door shutters.

Wooden frames and like.

Maibam Chittaranjan Singh (BID ID -851744)