Special Repair of Govt. Primary School Nayagaon

Amount

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

1:3:6 (1 Cement : 3 coarse sand (zone-III) derived from natural sources: 6 graded stone aggregate 20 mm nominal size derived from natural sources).

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

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)

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).

Superior Hardwood Cat-II A

Providing and fixing precoated galvanised steel sheet roofing accessories 0.50 mm (+0.05 %) total coated thickness, 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 using self drilling/ self tapping screws complete :

Ridges plain (500 - 600mm)

Providing and fixing in position facias and eaves board with 18 mm wooden plastic component (WPC) sheet 30cm wide including fixing witth nuts and bolts etc. complete :

Providing cement concrete surface drain including earth work in excavation 10cm thick base concrete and 23 cm thick side walling with 1:3:6(1 cement 3 sand:6graded stone agg. 40mm nominal size) finishing with 1:4(1cement :4 sand ) including floating coat of neat cemetn including drain and its top and exposed surface including earthwork in excavation and disposal of surplus earth etc., complete

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

1:1.5:3 (1 cement: 1.5 coarse sand (zone-III) derived from natural sources: 3 graded stone aggregate 20 mm nominal size derived from natural sources).

Centering and shuttering including strutting, propping etc. and removal of form for

Foundations, footings, bases of columns, etc. for mass concrete

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.

Supplying chemical emulsion in sealed containers including delivery as specified.

Chlorpyriphos/ Lindane emulsifiable concentrate of 20%

Diluting and injecting chemical emulsion for POST-CONSTRUCTIONAL anti-termite treatment (excluding the cost of chemical emulsion) :

Along the external wall below concrete or masonry apron using chemical emulsion @ 2.25 litres per linear metre including drilling and plugging holes etc.: (12.1.1) With Chlorpyriphos/ Lindane E.C. 20% with 1% concentration

Extra for providing and fixing wind ties of 40x6mm flat aluminium section.

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 Engineer-in-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 wood work in frames of false ceiling, partitions etc. sawn and fixed in position :

Superior hard Wood Cat-II(A)

Providing and fixing plain multipurpose cement board(Hight pressure steam cured) with suitable screws for cement particle board in ceiling etc. complete (frame work to be paid seperatately).

6 mm thick Cement fiber board as per IS: 14862

Painting with oil type wood preservative of approved brand and manufacture:

Old work (one or more coats)

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 soil, waste and vent pipes :

100 mm dia (19.1.1) Sand cast iron S&S pipe as per IS: 1729

75 mm diameter : (19.2.1) Sand cast iron S&S pipe as per IS: 1729

Providing and fixing bend of required degree with access door, insertion rubber washer 3 mm thick, bolts and nuts complete.

100 mm dia (20.1.1) Sand cast iron S&S pipe as per IS: 1729

75 mm dia (20.2.1) Sand cast iron S&S pipe as per IS: 1729

Providing and fixing plain bend of required degree.

100 mm dia (21.1.1) Sand cast iron S&S pipe as per IS: 1729

75 mm dia (21.2.1) Sand cast iron S&S pipe as per IS: 1729

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

15 mm nominal dia Pipes

20 mm nominal dia Pipes

25 mm nominal dia Pipes

Providing and fixing PTMT bib cock of approved quality and colour.

15 mm nominal bore, 165 mm long, weighing not less than 110 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 10 mm thick acid and/or alkali resistant tiles of approved make and colour using acid and/or alkali resisting mortar bedding, and joints filled with acid and/or alkali resisting cement as per IS : 4457, complete as per the direction of Engineer-in- Charge.

In flooring on a bed of 10 mm thick mortar 1:4 (1 acid proof cement : 4 coarse sand) (25.1.1) Acid and alkali resistant tile

In dado/skirting on 12 mm thick mortar 1:4 (1 acid proof cement : 4 coarse sand) (25.2.1) Acid and alkali resistant tile

Renewing glass panes, with putty and nails wherever necessary including racking out the old putty:

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

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 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 Wash basin size 550x400 mm with a pair of 15 mm C.P. brass pillar taps

M/S THAKUR TRADERS AND ENGINEERS

SPR CONSTRUCTION

ARJUN MANDAL

M/S RAJU CONSTRUCTION

P. A. S AGENCY

V.S.K.BUILDERS

J GANESH

M/S SUNDARAM CONSTRUCTION