Repairing and renovation with DYNA roofing at Chemistry extention building.

Amount

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

Precoated galvanised iron profile sheets 0.50 mm thick

Providing and fixing precoated galvanised steel sheet roofing accessories , Zinc coating 120gsm as per IS: 277 in 240mpa 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 or with polymer coated J or L hooks, bolts and nuts and or G.I. seam bolts and nuts, G.I. plain and bitumen washers complete :

Ridges plain (500 - 600mm).

Precoated galvanised iron profile sheets 0.50 mm thick

Providing and laying autoclaved aerated cement blocks masonry with 100mm thick AAC blocks in super structure above plinth level upto floor V level in cement mortar 1:4 (1 cement : 4 coarse sand ) The rate includes providing and placing in position 2 Nos. 6 mm dia M.S. bars at every third course of masonry work.

Providing and fixing aluminium works for doors windows, Ventilators and partions woth extruded built up standard tubular sections/ appropriate Z sections and other sections of approved make conforming to IS:733 and IS:1285, fiixed with rawl plugs and screws or with fixing clips, or with expansion hold fasteners including necessary filling up gaps at junctions, at top, bottom and side with required EPDM rubber/Neoprene gasket etc. Aluminium snap beading for glazing /panelling, C.P. brass/ Stainless steel screws, all complete as per architectural drawing and the directions of Engineer-in-charge.(Glazing and panelling to be paid for separately):

For fixed portion

Powder coated aluminium ( minium thickness of powder coating 50 micron )

10.66.1 Anodised aluminium

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 4.0 mm thickness

Providing and applying white cement based putty of average thickness 1mm,of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete.

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

Finishing walls with textured exterior paint of required shade :

New work (Two or more coats applied @ 3.28 ltr/10 sqm) over and including base coat of water proofing cement paint applied @ 2.20kg/10 sqm.

Distempering with oil bound washable distemper of approved brand and manufacture to give an even shade

New work (two or more coats) over and including priming coat with cement primer:-

JOYBA HUIDROM (BID ID -3238488)

Th. Jeevan Singh (BID ID -3238501)