073/BSNL/CD/CBE/CBE/26-26

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)

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 5.0 in superstructure above plinth level up to floor V level in all shapes and sizes in :

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

Providing and fixing to existing door frames.

24 mm thick factory made PVC door shutters made of styles and rails of a uPVC hollow section of size 59x24 mm and wall thickness 2 mm (± 0.2 mm) with inbuilt edging on both sides. The styles and rails mitred and joint at the corners by means of M.S. galvanised/plastic brackets of size 75x220 mm having wall thickness 1.0 mm and stainless steel screws. The styles of the shutter reinforced by inserting galvanised M.S. tube of size 20x20 mm and 1 mm (± 0.1 mm) wall thickness. The lock rail made up of ‘H’ section, a uPVC hollow section of size 100x24 mm and 2 mm (± 0.2 mm) wall thickness, fixed to the shutter styles by means of plastic/galvanised M.S. ‘U’ cleats. The shutter frame filled with a uPVC multi-chambered single panel of size not less than 620 mm, having over all thickness of 20 mm and 1 mm (± 0.1 mm) wall thickness. The panels filled vertically and tie bar at two places by inserting horizontally 6 mm galvanised M.S. rod and fastened with nuts and washers, complete as per manufacturer’s specification and direction of Engineer-in-charge. (For W.C. and bathroom door shutter).

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete.

Hot finished welded type tubes.

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-Charge) of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05mm) 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 /seIf 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.

12 mm cement plaster of mix :

1:6 (1 cement: 6 fine sand)

Distempering with 1st quality acrylic distember (Ready mix) having VOC content less than 50 grams/ litre of approved brand and manufacture to give an even shade :

New work (two or more coats) over and including water thinnable priming coat with cement primer having VOC content less than 50 gram/litre

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :

Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture.

Distempering with 1st quality acrylic distemper (ready mixed) having VOC (Volatile Organic Compound ) content less than 50 gram/ litre, of approved brand and of required shade and colour complete to give and even shade.

Old work (one or more coats)

White washing with lime to give an even shade :

Old work (one 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.

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).

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

Of area beyond 3 sq. metres

Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of: a)Asbestos cement sheet

Providing and fixing rigid PVC soil waste and rain water pipes (SWR) of pressure class 4kg/sqcm confirming to IS:13592-2013 Type-B including jointing with solvent cement.

single socketed pipes - 90 mm dia.

Constructing brick masonry manhole in cement mortar 1:4 ( 1 cement : 4 coarse sand) with R.C.C. top slab with 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size), foundation concrete 1:4:8 mix (1 cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size), inside plastering 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with floating coat of neat cement and making channels in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) finished with a floating coat of neat cement complete as per standard design:

Inside size 60x60 cm and 45 cm deep including Precast RCC cover with frame.

With common burnt clay F.P.S.(non modular) bricks of class designation 5.0

Refixing old aluminium work for doors, windows, ventilators and partitions fixed with rawl plugs, screws or with fixing clips including necessary filling up of gaps at junctions, at top , bottom and sides with required PVC/Neoprene felt etc., and cost of fixing with available Prelaminated partle board, Glass panes and Aluminium sections including sorting out the required materials from the store to the required site, cutting to required shapes and sizes and fixing with necessary new C.P.brass screws including cleaning and making good etc. complete as directed by the Engineer-in-charge ( Cost inclusive of EPDM rubber/ neoprene gasket , C.P.Brass Screws but excluding the Aluminium sections, Aluminium snap beadings, Prelaminated Particle board and Glass panes).

For fixed/ Shutters portion :

Conveyance of available Aluminium sections, Prelaminated particle board from TE, Mettupalayam to PGM office, Coimbatore including loading, unloading charges etc., all as directed by the Engineer-in-charge.

Removing and Refixing the existing false ceiling with Perforated particle borad and anodised aluminium frames including removing the sagged T/L sections, G.I. level adjusting hangers 6 mm dia and replacing with new sections, hangers, plugs, screws or with fixing clips including cleaning and making good etc. complete as directed by the Engineer-in-charge ( Cost inclusive of PVC Felt, Screws, Aluminium snap beadings but excluding the Aluminium sections, Prelaminated Particle board and Glass panes).