Repair and Renovation of Pollution Control Laboratory building of the Department of Science and Technology Dollygunj under CD-I APWD, Port Blair

Amount

P/F in position eaves or fixing eaves or facia board with 19mm marine plywood 30 cm wide i/c nailing etc complete as per the directiomn of EIC

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 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)

Gutter .(600 mm over all girth)

Extra for providing and fixing wind ties of 40x 6 mm flat iron section.

Providing and fixing water closet squatting pan (Indian type W.C. pan ) with 100 mm sand cast Iron P or S trap, 10 litre low level white P.V.C. flushing cistern, including flush pipe, with manually controlled device (handle lever) conforming to IS : 7231, with all fittings and fixtures complete, including cutting and making good the walls and floors wherever required:

White Vitreous china Orissa pattern W.C. pan of size 580x440 mm with integral type foot rests

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

Old work (one or more coats)

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)

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

Providing and injecting approved grout in proportion recommended by the manufacturer into cracks/honey-comb area of concrete/ masonry by suitable gun/pump at required pressure including cutting of nipples after curing etc. complete as per directions of Engineer- in-Charge. (The payment shall be made on the basis of actual weight of approved grout injected.)

Stirrer mixed Acrylic Polymer of approved make @ 2% of weight of cement used) modified Cement slurry made with non shrink compound in concrete/RCC work

Providing and placing on terrace (at all floor levels) polyethylene water storage tank, IS : 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank.

Circular tank

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

20 mm nominal outer dia Pipes

Providing and fixing CPVC extension nipple (size 25 mm) of approved make and quality as per direction of Engineer-in-charge.

25mm dia

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 CPVC sockets of approved make and quality as per direction of Engineer-in-charge.

25mm dia nominal dia Pipes

Finishing walls withAcrylic Smooth exterior paint of required shade :

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

D C SARAVANAN

CHATRIA LOK NIRMAN

DIYA ENTERPRISES

M/S RAMESH CONSTRUCTION

J GANESH

SHIPRA CONSTRUCTION

RP Construction

SPR CONSTRUCTION