Repair and maintenance Civil works including renovation to toilet including face lifting to T.E Bldg. at Koira under BSNL SSA, Rourkela

Amount

Sub-Head : Earth Work

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 :

All kinds of soil Pipes, cables etc, not exceeding 80 mm dia.

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)

Extra for providing and mixing water proofing material in cement concrete work in doses by weight of cement as per manufacturer’s specification.

Sub-Head : Masonry Work

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in:

Cement mortar 1:6 (1 cement : 6 coarse sand)

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

Providing and fixing aluminium die cast body tubular type universal hydraulic door closer (having brand logo with ISI, IS : 3564, embossed on the body, door weight upto 35 kg and door width upto 700 mm), with necessary accessories and 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.

Twin rubber stopper

Providing and fixing bright finished 100 mm mortice lock with 6 levers without pair of handles of approved quality for aluminium door, with necessary screws etc complete as per direction of Engineer-in-charge.

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

Providing & fixing glass panes with putty and glazing clips in steel doors, windows, clerestory windows all complete with :

4.0 mm thick glass panes.

Sub-Head : Finishing

12 mm cement plaster of mix :

1:6 (1 cement: 6 fine sand)

12 mm cement plaster finished with a floating coat of neat cement of mix :

1:4 (1 cement: 4 fine sand)

Lettering with enamel paint of approved brand and manufacture.

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

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.

Two coats.

Wall painting with premium acrylic emulsion paint of interior grade, 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.

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

With water thinnable cement primer on wall surface having VOC content less than 50 grams/litre.

White washing with lime to give an even shade :

Old work (Two or more coats) .

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.

Finishing walls with Acrylic Smooth exterior paint of required shade :

Old work (Two or more coat applied @ 1.67 ltr/ 10 sqm) on existing cement paint surface

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 and refixing existing wooden fillets:

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

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

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.

Sub-Head : Dismantling and Demolishing

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)

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 doors, windows and clerestory windows (steel or wood) shutter including chowkhats, architrave, holdfasts etc. complete and stacking within 50 metres lead :

Of area 3 sq. metres and below

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 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 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 : Sanitary Installations

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 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 PTMT liquid soap container 109 mm wide, 125 mm high and 112 mm distance from wall of standard shape with bracket of the same materials with snap fittings of approved quality and colour, weighing not less than 105 gms.

Providing and fixing PTMT towel rail complete with brackets fixed to wooden cleats with CP brass screws with concealed fittings arrangement of approved quality and colour.

600 mm long towel rail with total length of 645 mm, width 78 mm and effective height of 88 mm, weighing not less than 190 gms.

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,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 dia Pipes.

25 mm nominal 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 : External work

25 mm nominal outer dia. Pipes.

40 mm nominal outer dia. Pipes.

Providing and fixing uplasticised PVC connection pipe with brass unions :

45 cm length15 mm nominal bore

Providing and fixing C.P. brass long body bib cock of approved quality conforming to IS standards and weighing not less than 690 gms

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 and fixing C.P. brass angle valve for basin mixer and geyser points 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 angle stop cock 15 mm nominal bore, weighing not less than 85 gms

Sub-Head : ALUMINIUM WORK

Providing and fixing glazing in aluminium door, window, ventilator shutters and partitions etc. with EPDM rubber / neoprene gasket etc. complete as per the architectural drawings and the directions of engineer-in-charge . (Cost of aluminium snap beading shall be paid in basic item):

With float glass panes of 5 mm thickness (weight not less than 12.50 kg/sqm)

Sub-Head : Water Proofing

Grading roof for water proofing treatment with

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

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

Sub-Head : MARKET RATED ITEMS

Repairing to aluminium partition or door shutter (openable or sliding) by opening all joints, cutting the members to required length, providing and fixing aluminium angle cleat of 5mm thickness, rearranging the pivots etc. for smooth operation of the Aluminium doors as per direction of the Engineer-in-charge.

Cleaning of walls & floor tiles with acid and detergent etc all complete as per direction of E.I.C.

Repairing to the leakage from damaged/rusting old GI pipe inside the wall cutting the wall and replacing with new PVC pipe with fitting and making the damaged surface same as per direction of E.I.C (cost of PVC pipe and fittings will be paid separately)

Repairing to the leakage from damaged old GI pipe/PVC pipe exposed on wall face and near water tank by replacing with new PVC pipe with fittings and making the damaged surface same as per direction of EIC (cost of PVC pipe and fittings will be paid separately)

Providing and fixing PVC Wate tank cover for syntex make or equivalent i/c locking arrangement

Uprooting/Removing trees and plants from roof and walls of any height by uprooting the same with application of acid i/c making good the damages with CP/CC1:2:4 as per requirement all complete as per the direction of EIC.

Repairing to rolling shutter of any size by reallignmrnt to damaged MS laths, interlocked together their entire length including gressing for smooth operation and replacement to damaged ball bearing and springs ( Change parts to be paid separately) etc all complete as per direction of Engineer-in- charge.

Providing & fixing 27.5 cm long wire springs manufactured from high tensile steel wire of adequate strength conforming to IS:4454-part 1 all complete as per direction of Engineer-in-Charge.

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.

Providing and fixing PVC MTA/FTA at repairing with new PVC pipe including cutting and threding the pipe and making good all complete as per the direction of E-I-C.

20mm nominal bore

25mm nominal bore

40mm nominal bore

Providing and fixing PVC union at repairing with new PVC pipe including cutting and threding the pipe and making good all complete as per the direction of E-I-C.

20mm nominal bore

25mm nominal bore

40mm nominal bore

Supplying & engaging unskilled labour along with T&P for cleaning of roof, chajja, rain water pipe mouth, drains, cleaning of jungle with 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

Easing and adjusting of Door/window shutter for free movement of the shutter by making necessary repairs to shutter & frame all complete per direction of Engineer-in-charge.

Refixing to old G.I/PVC water pipe line up to any diameter on wall face with G.I clamp/Clip in proper allignment as per direction of E.I.C. ( Only Nos of G.I clamp/Clip will be paid for refixing to pipe line)

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 of deposited filth,waste & sludge on the ground/shaft area for working area for repairing to damaged water/waste line etc all complete as per direction of as per direction of E.I.C.

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.

25mm nominal bore

40 mm nominal bore