Roof Replacement at India Government Mint, Mumbai.

ROOF REPLACEMENT AT INDIA GOVERNMENT MINT, MUMBAI

Dismantling roofing including ridges, hips, valleys and gutters etc., and

stacking the material within 50 metres lead of:

Disposal of building rubbish / malba / similar unserviceable, dismantled

or waste materials by mechanical means, including loading, transporting,

2 DSR 21 15.6 unloading to approved municipal dumping ground or as approved by cum 520.00 219.35 114062.00

Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts

Dismantling steel work manually/ by mechanical means in built up

3 DSR 21 15.19 sections without dismembering and stacking within 50 metres lead kg 7000.00 3.20 22400.00

as per direction of Engineer-in-charge.

Extra for dismantling trusses, rafters, purlins etc. of steel work for kg per metre

every additional span of one metre or part thereof beyond 10 metre span

Extra for dismantling trusses, rafters, purlins etc. of steel work for every kg per metre

additional height of one metre or part thereof beyond 5 etres. height

6 DSR 21 15.22 Extra for marking of structural steel work required to be re-rected. kg 5000.00 3.80 19000.00

Dismantling wood work in frames, trusses, purlins and rafters up to

7 DSR 21 15.14 10 metres span and 5 metres height including stacking the material

within 50 metres lead :

15.14.2 Of sectional area below 40 square centimetres Metre 350.00 14.70 5145.00

Dismantling C.I. or asbestos rain water pipe with fittings and

clampsincluding stacking the material within 50 metres lead :

Dismantling old plaster or skirting raking out joints and cleaning the

9 DSR 21 15.56 surface for plaster including disposal of rubbish to the dumping ground sqm 1875.00 45.05 84468.75

within 50 metres lead.

Disposal of building rubbish / malba / similar unserviceable, dismantledor

waste materials by mechanical means, including loading,transporting,

10 DSR 21 15.60 unloading to approved municipal dumping ground or asapproved by cum 520.00 219.35 114062.00

Engineer-in-charge, beyond 50 m initial lead, for all leadsincluding all lifts

SHUBHAM Digitally signed by

GOEL 16:55:49 IST

Removing mastic sheet by scrapping a layer of bituminous water proof

membrane is laid over the structural roof & gutter including loading,

11 NDSR MR-1 transporting, unloading to approved municipal dumping ground or as approved sqm 3500.00 65.12 227920.00

by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts

Repair to plaster of thickness 12mm to 20 mm in patches of area 2.5 sqm

and under, including cutting the patch in proper shape, raking out joints

12 DSR 21 14.75 and preparing plastering the wall surface with white cementbased sqm 875.00 540.35 472806.25

polymer modified self curing mortar, including disposal of rubbish, all

complete as per the direction of Engineer-In-Charge.

Providing and fixing double scaffolding system (cup lock type) on

the exterior side, up to seven story height made with 40 mm dia

M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with

cup & lock system with M.S. tubes, M.S. tube challies, M.S.clamps and

M.S. staircase system in the scaffolding for working

platform etc. and maintaining it in a serviceable condition for the

required duration as approved and removing it there after .The

scaffolding system shall be stiffened with bracings, runners,

connection with the building etc wherever required for inspection ofwork

at required locations with essential safety features for the

workmen etc. complete as per directions and approval of Engineerin-

charge .The elevational area of the scaffolding shall be measuredfor

payment purpose .The payment will be made once irrespective

ofduration of scaffolding.

Note: - This item to be used for maintenance work judicially,

necessary deduction for scaffolding in the existing item to be done.

Brick work with common burnt clay F.P.S. (non modular) bricks of class

designation 7.5 in superstructure above plinth level up to floor V level in all

Structural steel work riveted, bolted or welded in built up sections, trusses and

15 DSR 21 10.2 framed work, including cutting, hoisting, fixing in position and applying a kg 7500.00 111.95 839625.00

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.

SHUBHAM Digitally signed by

GOEL 16:55:49 IST

Providing & fixing at all heights, levels and locations colour finish Aluminium

alloy roofing sheets of alloy IS designation 31500, temper Hx8 conforming to IS

737 and dimensions as per IS code 2676 with characteristics of good formability

and corrosion resistance. The profile sheets shall be fixed to trussmembers in

17 DSR 21 12.65 slope or required pitch or curvature with Hex cap headed self drilling/tapping

Stainless steel screws M6, 50 mm long with 3 mm EPDM seal washer etc. all

inclusive of labour, scaffolding, T&P and sundries etc. complete as per

directions of the Engineer-In-Charge. (Cost of truss/frame work shall be paid

0.91mm Aluminium color coated profile with center to center pitch of 175 mm,

12.65.6 depth of 46mm, top crest width of 41mm, bottom valley width of 80mm, sqm 14587.00 2150.30 31366426.10

overall profile width of 1144mm, cover width 1050mm.

Providing and fixing of Pre-coated colour or mill finish Aluminium Roofing

Accessories in .91 mm thickness ,Alloy 31500 (IS designation) [Aluminium Alloy

(AA) 3004 (ISO designation)] For color, coating shall be 5-7 microns epoxy

primer on both sides of the sheet and polyester top coat 15-18 microns, using

self drilling/tapping SS screws of size 6 x 50mm with 3mm thick EPDM seal and

SS plain washer complete

MR-2a Precoated/mill finish aluminium Ridges plain (500- 600mm) Metre 520.00 1388.00 721760.00

MR-2b Precoated/mill finish aluminium Flashings/ Aprons (Upto 600 mm) Metre 500.00 1388.00 694000.00

MR-2c Precoated/mill finish aluminium North light curves Metre 670.00 1767.00 1183890.00

MR-2d Precoated/mill finish aluminium Crimp curve Metre 670.00 1767.00 1183890.00

Providing and fixing of Pre-coated colour or mill finish Aluminium Roofing

Accessories in 2 mm thickness ,Alloy 31500 (IS designation) [Aluminium Alloy

(AA) 3004 (ISO designation)] For color, coating shall be 5-7 microns epoxy

primer on both sides of the sheet and polyester top coat 15-18 microns, using

self drilling/tapping SS screws of size 6 x 50mm with 3mm thick EPDM seal and

SS plain washer complete

MR-3a Precoated/mill finish aluminium Gutter (1200 mm over all girth) Metre 1780.90 4268.00 7600881.20

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 water

thinnable priming coat with cement primer

With ready mixed red oxide zinc chromate primer of approved brand and

manufacture on steel galvanised iron/steel works

Finishing with Epoxy paint (two or more coats) at all locations prepared and

22 DSR 21 13.52 applied as per manufacturer's specifications including appropriate priming coat,

preparation of surface, etc. complete.

SHUBHAM Digitally signed by

GOEL 16:55:49 IST

Removing colour by scrapping and sand papering and

23 DSR 21 13.88 preparing the surface smooth including necessary repairs to scratches sqm 5500.00 16.35 89925.00

Painting (one or more coats) on rain water, soil waste and vent pipes

24 DSR 21 13.94 and fittings with black anticorrosive bitumastic paint of approved brandand

manufacture on old work :

25 DSR 21 17.35 Providing and fixing soil, waste and vent pipes :

Hubless centrifugally cast (spun) iron pipes epoxy coated inside & outside

Providing and fixing aluminium work for doors, windows, ventilators

and partitions with extruded built up standard tubular sections/

appropriate Z sections and other sections of approved make conforming to IS:

733 and IS: 1285, fixing with dash fasteners of required dia and size, including

necessary filling up the gaps at junctions, i.e. at top, bottom and sides with

26 DSR 21 21.1 required EPDM rubber/ neoprene gasket etc. Aluminium sections shall be

smooth, rust free, straight, mitred and jointed mechanically wherever required

including cleat angle, Aluminium snap beading for glazing / paneling, C.P. brass

/ stainless steel screws, all complete as per architectural drawings and the

directions of Engineer-in-charge. (Glazing, paneling and dash fasteners to be

paid for separately) :

Polyester powder coated aluminium (minimum thickness of polyester powder

coating 50 micron)

SHUBHAM Digitally signed by

GOEL 16:55:49 IST

Providing and supplying Spandrel Glass Panels comprising of 6 mm

thick heat strengthened monolithic float glass of approved colour

and shade with reflective soft coating on surface # 2 of approved

colour and shade so as to match the colour and shade of the IGUs in

the vision panels etc. ,all complete for the required performances as

specified, as per the Architectural drawings, as per the approved

shop drawings, as specified, and as directed by the Engineer- in-

27 DSR 21 25.6 For payment, only the actual area of glass on face # 1 of the glass sqm 1375.00 2213.50 3043562.50

panels (but excluding the area of grooves and weather silicone sealant)

provided and fixed in position, shall be measured in sqm. (Payment for fixing of

Spandrel Glass Panels in the curtain glazing is included in cost of relevent

Item*).“(i) Coloured tinted float glass 6mm thicksubstrate with reflective soft

coating on face # 2, having properties as visible Light transmittance (VLT) of 25

to 35 %, Light reflection internal 10 to 15%, light reflection external 10 to 20 %,

shading coefficient (0.25- 0.28) and U value of 3.0 to 3.3 W/m2 K etc. .

The properties of performance glass shall be decided by technical

sanctioning authority as per the site requirement.

0.91mm Aluminium color coated Profile translucent polycarbonate sheets with

center to center pitch of 175 mm, depth of 46mm, top crest width of 41mm,

bottom valley width of 80mm, overall profile width of 1144mm, cover width

SHUBHAM Digitally signed by

GOEL 16:55:49 IST