Internal maintenance to OCB Telephone Exchange Building at Tezpur

Amount

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

1:1½:3 (1 Cement: 1½ coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources).

Providing and fixing factory made uPVC door frame made of uPVC extruded sections having an overall dimension as below (tolerance ±1mm), with wall thickness 2.0 mm (± 0.2 mm), corners of the door frame to be Jointed with galvanized brackets and stainless steel screws, joints mitred and Plastic welded. The hinge side vertical of the frames reinforced by galvanized M.S. tube of size 19 X 19 mm and 1mm (± 0.1 mm) wall thickness and 3 nos. stainless steel hinges fixed to the frame complete as per manufacturer’s specification and direction of Engineer-in-charge

Extruded section profile size 48x40 mm

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.

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 :

12 mm cement plaster of mix :

1:6 (1 cement: 6 coarse sand)

1:4 (1 cement: 4 coarse sand)

Painting on G.S. sheet with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :

New work (two or more coats) including a coat of approved steel primer but excluding a coat of mordant solution.

Providing and applying plaster of paris putty of 2 mm thickness over plastered surface to prepare the surface even and smooth complete.

White washing with lime to give an even shade:

Satna lime wash on walls with one coat

Distempering with 1st quality acrylic distemper (ready mixed) having VOC content less than 50 gram/litre, of approved manufacturer, of required shade and colour all complete :

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

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)

Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete

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.

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.

Semi rigid pipe (i) 40 mm dia

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 uplasticised PVC connection pipe with brass unions :

45 cm length (i) 15 mm nominal bore

Providing and fixing PTMT grating of approved quality and colour.

Circular type. (i) 100 mm nominal dia.

Providing and fixing aluminium casement windows fastener of required length for aluminium windows with necessary screws etc. complete.

Anodized (AC 15) aluminium

Providing and fixing unplasticised PVC water pipe with sockets conforming to IS-4985-1988 including jointing with solvent cement (rates inclusive of bends,tees other fixtures complete.)(external works)

15mm nominal outer dia. (pressure class of 6 kg/sqcm)

20mm nominal outer dia. (pressure class of 6 kg/sqcm)

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.

Extra labour for fixing of aluminium glazed windows in the existing openings with providing and fixing necessary hinges etc. as per the direction of the engineer in charge.

Supplying & fixing aluminium sheet not less than 0.5mm thick with necessary screws/nails including cutting, bending etc. complete on wooden door shutters.

Extra for cleaning sanitary fittings such as W.C., wash Basin, Kitchen Sink etc. including removal of stains with necessary chemicals (Oxalic acid) and detergents etc. as per direction of Engineer in charge.

Cleaning of manhole chamber including cleaning pipe lines, repair of leaked pipe joints with approved adhesive & disposal of sludge outside the compound as per direction of Engineer in charge.

BIRUJ HAZARIKA (BID ID -821152)