ROOFING



BASIC RATES (SH: 12.0 ROOFING)

Code Description Unit Rate
0013 Machine for rubbing of floors day 300.00
0100 Bandhani day 617.00
0101 Bhisti day 617.00
0102 Blacksmith 1st class day 738.00
0103 Blacksmith 2nd class day 679.00
0111 Carpenter 1st class day 738.00
0112 Carpenter 2nd class day 679.00
0114 Beldar day 558.00
0115 Coolie day 558.00
0116 Fitter (grade 1) day 738.00
0117 Assistant Fitter or 2nd class Fitter day 679.00
0122 Mason (for plaster of paris work) 1st class day 738.00
0123 Mason (brick layer) 1st class day 738.00
0124 Mason (brick layer) 2nd class day 679.00
0128 Mate day 617.00
0130 Mistry day 738.00
0131 Painter day 679.00
0139 Skilled Beldar (for floor rubbing etc.) day 617.00
0155 Mason (average) day 709.00
0222 Seam bolts and nuts 6 mm dia and 25 mm long 10 Nos 10.00
0223 Fibre (reinforced by organic fibres and/or inorganic synthetic fibres) cement corrugated sheet 6 mm thick sqm 225.00
0224 Fibre (reinforced by organic fibres and/or inorganic synthetic fibres) cement close fitting adjustable ridge metre 210.00
0225 Fibre (reinforced by organic fibres and/or inorganic synthetic fibres) cement corrugate serrated adjustable ridge metre 210.00
0226 Fibre (reinforced by organic fibres and/or inorganic synthetic fibres) cement plain wing adjustable ridge metre 210.00
0227 Fibre (reinforced by organic fibres and/or inorganic synthetic fibres) cement unserrated adjustable ridge for hips metre 210.00
0228 Fibre (reinforced by organic fibres and/or inorganic synthetic fibres) cement corrugated apron piece metre 200.00
0229 Fibre (reinforced by organic fibres and/or inorganic synthetic fibres) cement eaves filler piece each 175.00
0230 Fibre (reinforced by organic fibres and/or inorganic synthetic fibres) cement north light curves metre 280.00
0231 Fibre (reinforced by organic fibres and/or inorganic synthetic fibres) cement ventilator curves each 310.00
0232 Fibre (reinforced by organic fibres and/or inorganic synthetic fibres) cement barge boards boards 6 mm thick metre 400.00
0233 Fibre (reinforced by organic fibres and/or inorganic synthetic fibres)
cement ridge finial
pair 165.00
0234 Fibre (reinforced by organic fibres and/or inorganic synthetic fibres) cement special north light curves each 555.00
0235 Fibre (reinforced by organic fibres and/or inorganic synthetic fibres) cement S type louvers each 260.00
0236 Multi purpose fibre (reinforced by organic fibres and/or inorganic synthetic fibres) cement board 6 mm thick sqm 210.00
0242 6 mm thick mulitipurpose cement bonded wood particle board conforming to IS : 14276 sqm 195.00
0295 Stone Aggregate (Single size) : 20 mm nominal size cum 1350.00
0297 Stone Aggregate (Single size) : 10 mm nominal size cum 1350.00
0308 Bhusa quintal 500.00
0309 Paving bitumen of grade VG-10 of approved quality tonne 25614.00
0314 Bitumen hot sealing compound : grade A kg 28.00
0328 White face insulating board: 12 mm thick sqm 235.00
0332 Natural colour insulating board: 12 mm thick sqm 210.00
0336 Flame retardant face insulating board: 12 mm thick sqm 320.00
0341 Flat pressed 3 layer particle board (medium density) Grade 1, 12 mm thick sqm 288.00
0367 Portland Cement (OPC-43 Grade) tonne 4940.00
0368 White Cement tonne 11200.00
0370 Coal (steam) quintal 440.00
0452 Brass screws 25 mm 100 Nos 100.00
0637 Bright finished or black enameled mild steel screws 40 mm 100 Nos 60.00
0765 Hessian cloth sqm 35.00
0771 Kerosene oil litre 50.00
0811 Mud (dry) cum 165.00
0845 Roofing paint for iron sheets in red colour litre 120.00
0865 Pig lead kg 130.00
0869 Plaster of Paris kg 5.00
0870 Plug each 10.00
0875 Red, chocolate, orange, buff or yellow (red oxide of iron) light shade pigment kg 60.00
0886 Standard holder bat clamps for sand cast iron or cast iron pipes 150 mm dia each 45.00
0966 Sand Cast iron plain shoe 150 mm dia each 285.00
0982 Coarse sand (zone III) cum 1350.00
0992 Galvanised steel plain sheets quintal 5000.00
0994 Standard quality hard board sheet 3 mm thick sqm 135.00
0996 Standard quality hard board sheet 4.5 mm thick sqm 210.00
1001 Spun yarn kg 50.00
1008 Flats up to 10 mm in thickness quintal 4500.00
1015 Mild steel expanded metal 20x60 mm strands 3.25 mm wide
1.60 mm thick
sqm 280.00
1022 Galvanised steel bolts & nuts 6 mm dia and 25 mm long round head with slots 10 Nos 38.00
1023 Galvanised steel J or L hooks 8 mm dia 10 Nos 120.00
1024 Galvanised steel bolts & nuts 10 mm dia and 125 mm long round head with slots each 9.00
1025 Mild steel bolts 6 mm dia and 25 mm long with hexagonal head 10 Nos 10.00
1031 Galvanised steel bolts & nuts 10 mm dia and 27 cm long both sides threaded with 4 galvanised steel nuts each 20.00
1032 Galvanised steel bolts 10 mm dia and 7 cm long with nuts each 6.00
1174 Red sand stone slab 45 mm to 50 mm thick (un-dressed) sqm 225.00
1175 White sand stone slab 45 mm to 50 mm thick (un-dressed) sqm 240.00
1190 Second class teak wood in planks 10 cudm 791.00
1196 First class kail wood in planks 10 cudm 300.00
1204 Precast heat resistant terrace tiles (size 300x300 mm) and 20 mm thick sqm 409.00
1207 G.I. Limpet washer 100 Nos 21.00
1208 Bitumen washer 100 Nos 30.00
1209 G.I. plain washer thick 100 Nos 35.00
1210 G.I. plain washer thin 100 Nos 21.00
1211 G.I. plain washer for seam bolts 100 Nos 32.00
1213 Water proofing materials kg 35.00
1219 Wire nails kg 58.00
1220 Wire mesh (rabbit) sqm 42.00
1331 M.S. Holder bat clamp of approved design for 100 mm S.C.I. pipe each 30.00
1984 Common burnt clay F.P.S. bricks tile class designation 10 1000 Nos 4500.00
2202 Carriage of Stone aggregate below 40 mm nominal size cum 103.77
2203 Carriage of Coarse sand cum 103.77
2204 Carriage of Timber cum 118.59
2205 Carriage of Steel tonne 92.24
2207 Carriage of Brick tiles 1000 Nos 166.03
2209 Carriage of Cement tonne 92.24
2211 Carriage of Tar / Bitumen tonne 103.77
2216 Carriage of Stone blocks white & red sand stone & kota stone slab tonne 92.24
2273 Carriage of A.C.sheet and accessories tonne 92.24
2302 Carriage of G.I. sheet and accessories tonne 92.24
2308 Carriage of Plaster of paris tonne 92.24
3002 Polyvinyl chloride sheet 400 micron thick sqm 40.00
3004 Stone ware spouts 100 mm dia 60 cm long each 40.00
3050 Galvanised steel corrugated sheets quintal 5600.00
4009 Mild steel tubes hot finished welded type kg 40.00
4202 Red oxide Zinc chromate primer litre 110.00
7009 12.5 mm thick tapered edge gypsum plain borad sqm 155.00
7010 Galvanised Steel ceiling section (size 80x26x0.50 mm) metre 46.00
7011 Galvanised Steel perimetre Channel (Size 20x27x30x0.50 mm) metre 22.00
7012 Galvanised Steel intermediate Channel (Size 15x45x15x0.90 mm) metre 38.00
7013 Galvanised Steel angle hanger (Celling angle) (Size 25x10x0.50 mm) metre 12.00
7014 Galvanised Steel connecting clips (2.64 mm dia and 230 mm long GI wire) each 4.00
7015 Galvanised Steel soffit cleat (Size 27x37x25x0.60 mm) each 3.00
7016 Joint filler kg 26.00
7017 Joint finisher kg 23.00
7018 Joint tape roll roll 100.00
7019 Dash fastener / Chemical fastener each 14.00
7020 All drive screws (for gypsum board) 100 Nos 58.00
7021 Primer (for gypsum board) litre 85.00
7028 12.5 mm thick Fully Perforated gypsum board sqm 410.00
7031 12.5 mm thick tapered edge gypsum moisture resistant board sqm 275.00
7050 PU Primer sqm 60.00
7051 40 mm (average) PU spray having 40-45 kg/m3 density sqm 400.00
7052 GI wire netting 3/4" x 24 G sqm 26.00
7053 400 G polythene sheet sqm 14.00
7090 Expanded polystyrene type N- Normal 50 mm thick sqm 125.00
7091 Expanded polystyrene type - SE 50 mm thick sqm 150.00
7187 C.I. grating 150 mm dia, weighing not less than 440 gm each 27.00
7188 U-PVC pipes (working pressure 4 kg / cm²) Single socketed pipe 75 mm dia metre 70.00
7189 U-PVC pipes (working pressure 4 kg / cm²) Single socketed pipe 110 mm dia metre 130.00
7190 U-PVC pipes (working pressure 4 kg / cm²) Rubber (Seal) Ring 75 mm dia each 8.00
7191 U-PVC pipes (working pressure 4 kg / cm²) Rubber (Seal) Ring 110 mm dia each 11.00
7192 uPVC coupler for UPVC drainage pipes 75 mm each 18.00
7193 uPVC coupler for UPVC drainage pipes 110 mm each 39.00
7194 uPVC pushfit coupler (single) 75 mm thick each 18.00
7195 uPVC pushfit coupler (single) 110 mm thick each 32.00
7196 uPVC single equal Tee (without door) 75x75x75 mm each 46.00
7197 uPVC single equal Tee (without door) 110x110x110 mm each 81.00
7198 uPVC single equal Tee (with door) 75x75x75 mm each 59.00
7199 uPVC single equal Tee (with door) 110x110x110 mm each 92.00
7208 UPVC bend 87.5° 75 mm bend each 35.00
7209 UPVC bend 87.5° 110 mm bend each 59.00
7212 UPVC plain shoe 75 mm bend each 27.00
7213 UPVC plain shoe 110 mm bend each 47.00
7214 UPVC pipe clip 75 mm bend each 15.00
7215 UPVC pipe clip 110 mm bend each 14.00
7231 Resin Bonded Glass wool 16 kg/m³ : 50 mm thick sqm 100.00
7232 Resin Bonded Glass wool 24 kg/m³ : 50 mm thick sqm 143.00
7238 High Albedo paint kg 230.00
7266 Pressed clay tiles 20mm thick 250x250 mm size 1000 Nos 8600.00
7267 Plain ceiling tiles (BWP type phenol formaldehyde synthetic resin bonded) (600x600x12 mm) each 115.00
7268 Semi perforated ceiling tiles (600x600x12 mm) each 107.00
7273 Resin Bonded Rockwool 48 kg/m3 sqm 120.00
7385 3 mm thick translucent white acrylic plastic sheet sqm 550.00
7386 12 mm thick particle board ceiling tile sqm 110.00
7388 Dash hold fastener 12.5 mm dia, 50 mm long with 6 mm dia bolt each 11.00
7857 P.T.M.T. Grating square slit 150 mm each 66.75
7904 Machine moulded common burnt clay tile bricks of class designation 12.5 1000 Nos 4900.00
8589 Calcium Silicate tegular edged celling tiles 595x595 mm and 15 mm thick on edges sqm 685.00
8590 Galvanised Steel main Tee ceiling section Size 24x38x0.33 mm    
  (3 metre long) each 120.00
8591 Galvanised Steel perimeter wall Angle Size 24 x 24 x 0.40 mm    
  (3.00 metre long) each 65.00
8592 Galvanised Steel intermediate cross T section Size 24 x 25 x 0.33mm (1.2 metre long) each 40.00
8593 Galvanised Steel intermediate cross T section Size 24 x 25 x 0.33mm (0.6 metre long) each 20.00
8594 Galvanised Steel soffit cleat size 25x35x1.60 mm each 4.00
8595 Wooden screws with plastic rawl plugs 35x8 mm each 1.00
8597 GI Metal Tile Clip in Plain Beveled edge global white colour tiles of size 600x600 mm and 0.5 mm thick sqm 677.00
8598 GI Metal Tile Clip in Perforated Beveled edge global white colour tiles of size 600x600 mm and 0.5 mm thick sqm 782.00
8599 GI Metal Tile Lay-in Plain Tegular edge global white color tiles of Size 595x595 mm and 0.5 mm thick sqm 612.00
8600 GI Metal Tile Lay-in Perforated Tegular edge global white color tiles of Size 595x595 mm and 0.5 mm thick sqm 715.00
8601 PVC Laminated Gypsum Tiles (Square edge) of Size 595x595 mm and 12.5 mm thick sqm 880.00
8602 Gypsum Tiles Fully Perforated Square edge of Size 595x595 mm and 12.5 mm thick sqm 375.00
8604 Spring T-section 24x34x0.45 mm (3.00 meter long) metre 190.00
8605 C Wall angle section 20x30x20x0.50 mm (3.00 meter long) metre 95.00
8606 Main C Carrier Size 10x38x10x0.70 mm (3.00 meter long) metre 115.00
8607 Spring T-connector each 5.00
8608 C Carrier Connector each 11.00
8609 C Suspension Clip each 8.00
8610 Wire Coupling Clip each 9.00
8611 Main T ceiling sections 24x38x0.3 mm (3 metre long) each 115.00
8612 Perimeter wall angle 24 x 24 x 0.3 mm (3 metre long) each 80.00
8613 Intermediate cross T-Section 24x25x0.3 mm (1.2 m long) each 35.00
8614 Intermediate cross T-Section 24x25x0.3 mm (0.6 m long) each 17.00
8615 Hanger rod 4 mm thick each 8.00
8616 Adjustment clip 85x30x0.8 mm each 5.00
8617 Soffit cleat (Size 27x37x25x1.60 mm) each 4.00
8618 Dash fastener 6 mm dia 50 mm long each 8.00
8667 UV stabilised 2 mm thick plain FRP sheet sqm 430.00
8668 UV stabilised 2 mm thick corrugated FRP sheet sqm 485.00
8669 Mangalore ridge tiles 20 mm thick each 8.00
8670 Mangalore tiles 20 mm thick each 8.00
8671 Precoated galvanised iron profile sheet 0.50 mm TCT sqm 350.00
8672 Precoated galvanised steel plain ridges 0.50 mm TCT and 500-600mm wide metre 210.00
8673 Precoated galvanised steel flashings/aprons 0.50 mm TCT and upto 600mm wide metre 210.00
8674 Precoated galvanised steel gutter 600mm overall girth metre 420.00
8675 Precoated galvanised steel north light curves metre 230.00
8676 Precoated galvanised steel barge board (upto 300mm ) metre 215.00
8677 Precoated galvanised steel crimp curve sqm 230.00
8699 8 mm thick tapered edge calcium silicate board sqm 265.00
8784 8 mm thick Calcium silicate perforated tiles of size 595 x595 mm sqm 833.00
9977 Carriage L.S. 2.00
9988 Carriage and sundries L.S. 2.00
9999 Sundries L.S. 2.00

 

12.0 ROOFING
Code No Description Unit Rate
SHEET ROOFING
12.1 Providing corrugated G.S. sheet roofing including vertical / curved surface fixed with polymer coated J or L hooks, bolts and nuts 8 mm diameter with bitumen and G.I. limpet washers or with G.I. limpet washers filled with white lead, including a coat of approved steel primer and two coats of approved paint on overlapping of sheets complete (up to 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    
  12.1.1 1.00 mm thick with zinc coating not less than 275 gm/m² sqm 1234.25
  12.1.2 0.80 mm thick with zinc coating not less than 275 gm/m² sqm 1061.8
  12.1.3 0.63 mm thick with zinc coating not less than 275 gm/ m² sqm 915
12.2 Extra for straight cutting in C.G.S. sheet roofing for making opening of area exceeding 40 sq. decimeter for chimney stacks, sky light etc.:    
  12.2.1 1.00 mm thick metre 86.7
  12.2.2 0.80 mm thick metre 69.35
  12.2.3 0.63 mm thick metre 69.35
12.3 Extra for circular cutting in C.G.S. sheet roofing for making opening of area exceeding 40 sq. decimeter:    
  12.3.1 1.00 mm thick metre 494.2
  12.3.2 0.80 mm thick metre 394.75
  12.3.3 0.63 mm thick metre 394.75
12.4 Providing ridges or hips of width 60 cm overall width plain G.S. sheet fixed with polymer coated J or L hooks, bolts and nuts 8 mm dia G.I. limpet and bitumen washers complete    
  12.4.1 0.80 mm thick with zinc coating not less than 275 gm/m² metre 781.4
  12.4.2 0.63 mm thick with zinc coating not less than 275 gm/m² metre 710.15
12.5 Providing valleys of 90 cm wide overall in plain G.S. sheet fixed with polymer coated J, or L hooks, bolts and nuts 8 mm dia G.I. limpet and bitumen washers complete :    
  12.5.1 1.60 mm thick with zinc coating not less than 350 gm/m² metre 1324.7
12.6 Providing and fixing of 40 cm overall width plain G.S. sheet fixed with polymer coated J or L hooks, bolts and nuts, G.l. limpet and bitumen washer complete, bent to shape and fixed in wall with cement mortar 1:3 (1 cement : 3 coarse sand).    
  12.6.1 1.00 mm thick with zinc coating not less than 275 gm/m² metre 657.1
12.7 Providing and fixing 15 cm wide, 45 cm overall semi-circular plain G.S. sheet gutter with iron brackets 40x3mm size, bolts, nuts and washers etc., including making necessary connections with rain water pipes complete    
  12.7.1 0.80 mm thick with zinc coating not less than 275 gm/m² metre 765
  12.7.2 0.63 mm thick with zinc coating not less than 275 gm/m² metre 705.7
12.8 Providing reinforced by organic fibres and/or inorganic synthetic fibres cement 6 mm thick corrugated sheets (as per IS: 14871) roofing up to any pitch and fixing with polymer coated J, or L hooks, bolts and nuts 8 mm dia. G.I. plain and bitumen washers or with self drilling fastener and EPDM washers etc. complete (excluding the cost of purlins, rafters and trusses), including cutting sheets to size and shape wherever required sqm 453.25
12.9 Extra for straight cutting in reinforced by organic fibres and/or inorganic synthetic fibres cement corrugated, semi corrugated 6 mm thick sheet roofing for making openings of area exceeding 40 square decimeter for chimney stacks, skylights etc metre 69.35
12.1 Extra for circular cutting in reinforced by organic fibres and/or inorganic synthetic fibres cement corrugated/ semi corrugated 6 mm thick sheet roofing for making openings of area exceeding 40 square decimeter. metre 191.6
12.11 Extra for providing and fixing wind ties of 40x 6 mm flat iron section. metre 151.1
12.12 Providing and fixing ridges and hips in fibre cement reinforced by organic fibres and/or inorganic synthetic fibres roofing with suitable fixing accessories or self drilling fastener and EPDM washer etc. complete.    
  12.12.1 Corrugated serrated adjustable ridges metre 433.4
  12.12.2 Plain wing adjustable ridges metre 433.4
  12.12.3 Close fitting adjustable ridges metre 487.25
  12.12.4 Unserrated adjustable hips metre 432.5
12.13 Providing and fixing fibre cement reinforced by organic fibres and/or inorganic synthetic fibres roofing accessories in all colours with polymer coated J or L hooks, bolts and nuts and or G.I. seam bolts and nuts, G.I. plain and bitumen washers or with self drilling fastener and EPDM washer etc. complete:    
  12.13.1 Corrugated apron pieces metre 358.75
  12.13.2 Eave's filler pieces metre 290.6
  12.13.3 North light curves metre 486.7
  12.13.4 Ventilator curves metre 529.05
  12.13.5 Barge boards metre 625.6
  12.13.6 Ridge finials pair 260.65
  12.13.7 Special north light curves each 871.6
  12.13.8 S type louvers metre 455
12.14 Providing flat iron brackets 50x3 mm size with necessary bolts, nuts and washers etc. for fixing G.S. sheets gutters with purlins. metre 70.9
12.15 Painting top of roofs with bitumen of approved quality @ 17kg per 10 sqm impregnated with a coat of coarse sand at 60 cudm per 10 sqm, including cleaning the slab surface with brushes and finally with a piece of cloth lightly soaked in kerosene oil complete :    
  12.15.1 With residual type petroleum bitumen of grade VG -10 sqm 126
12.16 10 cm thick (average) mud phaska of damped brick earth on roofs laid to slope consolidated and plastered with 25 mm thick mud mortar mixed with bhusa @ 35 kg per cum of earth and gobri leaping with mix 1:1 (1 clay : 1 cow dung) and covered with flat tile bricks, grouted with cement mortar 1:3 (1 cement : 3 fine sand) mixed with 2% of integral water proofing compound by weight of cement and finished neat:    
  12.16.1 With common burnt clay F.P.S.(non modular) brick tile of class designation 10 sqm 826.75
12.17 10cm thick (average) mud phaska of damped brick earth on roofs laid to slope consolidated and plastered with 25 mm thick mud mortar with bhusha @ 35 kg per cum of earth and gobri leaping with mix 1:1 (1 clay : 1 cow-dung) and covered with machine moulded tile bricks, grouted with cement mortar 1:3 ( 1 cement : 3 fine sand) mixed with 2% of integral water proofing compound by weight of cement and finished neat.    
  12.17.1 With machine moulded common burnt clay F.P.S. (non modular) brick tiles of class designation 12.5, conforming to IS 2690 sqm 847.1
12.18 Extra for every additional 1 cm thickness of mud phaska sqm 18.6
12.19 Providing and laying brick tiles over mumty roofs, grouted with cement mortar 1:3 (1 cement : 3 fine sand) mixed with 2% of integral water proofing compound by weight of cement, over 12 mm layer of cement mortar 1:3 (1 cement : 3 fine sand) and finished neat:    
  12.19.1 With common burnt clay F.P.S. (non modular) brick tiles of class designation 10 sqm 514.4
12.2 Providing and laying pressed clay tiles (as per approved pattern 20 mm nominal thickness of approved size) on roofs jointed with cement mortar 1:4 (1 cement : 4 coarse sand) mixed with 2% integral water proofing compound, laid over a bed of 20 mm thick cement mortar 1:4 (1 cement : 4 coarse sand) and finished neat complete. sqm 584.55
12.21 Providing gola 75x75 mm in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 stone aggregate 10 mm and down gauge), including finishing with cement mortar 1:3 (1 cement : 3 fine sand) as per standard design    
  12.21.1 In 75x75 mm deep chase metre 237.25
12.22 Making khurras 45x45 cm with average minimum thickness of 5 cm cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate of 20 mm nominal size) over P.V.C. sheet 1 m x1 m x 400 micron, finished with 12 mm cement plaster 1:3 (1 cement : 3 coarse sand) and a coat of neat cement, rounding the edges and making and finishing the outlet complete each 244.05
12.23 Providing sand stone slab for roofing and laying them in cement mortar 1 : 4 (1 cement : 4 coarse sand) over wooden karries or R.C.C. battens or structural steel sections (Karries or battens or structural steel sections to be paid separately), including pointing the ceiling joints with cement mortar 1:3 (1 cement : 3 fine sand ) complete :    
  12.23.1 Red sand stone slab    
  12.23.1.1 40 to 50 mm thick sqm 793.1
  12.23.2 White sand stone slab    
  12.23.2.1 40 to 50 mm thick sqm 815.15
CEILING
12.24 Providing and fixing insulating board ceiling of approved quality with necessary nails etc. complete (frame work to be paid separately)    
  12.24.1 Natural colour insulating board    
  12.24.1.1 12 mm thick sqm 733.75
  12.24.2 White face insulating board    
  12.24.2.1 12 mm thick sqm 770.55
  12.24.3 Flame retardant face insulating board    
  12.24.3.1 12 mm thick sqm 895.65
12.25 Providing and fixing flat pressed 3 layer medium density particle board or graded particle board (Grade I) IS: 3087 marked, in ceiling with necessary nails etc. complete (frame work to be paid separately):    
  12.25.1 12 mm thick sqm 847.85
12.26 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).    
  12.26.1 6 mm thick Cement fiber board as per IS: 14862 sqm 733.05
  12.26.2 6 mm thick Cement bonded wood particle board as per IS:14276 sqm 711
12.27 Extra for Circular cutting including wastages in ceiling with:    
  12.27.1 2nd class teak wood planks 20 mm thick metre 603.05
  12.27.2 Natural colour insulating board    
  12.27.2.1 12 mm thick metre 369.1
  12.27.3 White face insulating board:    
  12.27.3.1 12 mm thick metre 373.7
  12.27.4 Flame retardant face insulating board:    
  12.27.4.1 12 mm thick metre 389.25
  12.27.5 Standard quality hard board sheet:    
  12.27.5.1 3 mm thick metre 355.3
  12.27.5.2 4.5 mm thick metre 369.05
12.28 Extra for providing and fixing ceiling to curved surfaces in narrow widths sqm 338.9
12.31 Providing 10 mm thick plaster of Paris (gypsum anhydrous) ceiling up to a height of 5 m above floor level, over first class kail wood strips 25x6 mm with 10 mm gap in between and reinforced with rabbit wire mesh fixed to wooden frame (frame work to be paid separately):    
  12.31.1 Flat surfaces sqm 1324.05
  12.31.2 Curved surfaces sqm 1584.15
12.32 Extra for sunk or raised mouldings in the plaster of Paris (Gypsum anhydrous) ceiling. sqm 445.9
12.33 Extra for providing plaster of Paris (Gypsum anhydrous) ceiling above 5 metres height from floor level. sqm per metre height 197.65
12.34 Providing fixing thermal insulation of ceiling (under deck insulation) with Resin Bonded Fibre glass wool conforming to IS : 8183, density 24kg / m3, 50mm thick, wrapped in 200 G Virgin Polythene bags, fixed to ceiling with metallic cleats (50x50x3 mm) @ 60 cm and wire mesh of 12.5 mm x 24 gauge wire mesh, for top most ceiling of building sqm 580.25
12.35 Providing and fixing thermal insulation with Resin Bonded Fibre glass wool conforming to IS: 8183. Density 16 kg/m³, 50 mm thick, wrapped in 200G Virgin Polythene bags placed over existing false ceiling and held in position by criss-crossing GI wire. sqm 247.8
12.36 Thermal Insulation of roofing with Expanded polystyrene fixed with suitable adhesive to the false ceiling as per the directions of the Engineer-in-charge:    
  12.36.1 With Type N - Normal 50 mm thick sqm 275.1
  12.36.2 With Type SE - Self Extinguishing type 50 mm thick sqm 311.85
RAIN WATER SPOUT AND PIPE
12.37 Providing and fixing 100 mm diameter and 60 cm long rain water spout in cement mortar 1:4 (1 cement : 4 fine sand)    
  12.37.1 Stone ware spout each 128.4
12.38 Providing and fixing M.S. holder bat clamps of approved design to C.I. or S.C.I. rain water pipes embedded in and including cement concrete blocks 10x10x10 cm of 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) and cost of cutting holes and making good the walls etc. :    
  12.38.1 100 mm diameter each 287.45
  12.38.2 150 mm diameter each 307.5
13.39 Providing lead caulked joints to sand cast iron rain water pipes and fittings:    
  12.39.1 100 mm dia Pipe each 421.15
  12.39.2 150 mm dia Pipe each 575.95
12.4 Providing, fixing and embedding sand cast iron accessories for rain water pipes in the masonry surrounded with 12 mm thick cement mortar of the same mix, as that of masonry (lead caulking will be paid for separately):    
  12.40.1 Sand cast iron plain shoes    
  12.40.1.1 150 mm diameter each 428.25
12.41 Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes.    
  12.41.1 75 mm diameter metre 201.1
  12.41.2 110 mm diameter metre 305.05
12.42 Providing and fixing on wall face unplasticised - PVC moulded fittings/ accessories for unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion.    
  12.42.1 Coupler    
  12.42.1.1 75 mm each 77.85
  12.42.1.2 110 mm each 117.8
  12.42.2 Single pushfit Coupler    
  12.42.2.1 75 mm each 77.85
  12.42.2.2 110 mm each 108.45
  12.42.3 Single tee with door    
  12.42.3.1 75x75x75 mm each 139.85
  12.42.3.2 110x110x110 mm each 203.3
  12.42.4 Single tee without door    
  12.42.4.1 75x75x75 mm each 122.45
  12.42.4.2 110x110x110 mm each 188.55
  12.42.5 Bend 87.5°    
  12.42.5.1 75 mm bend each 89.9
  12.42.5.2 110 mm bend each 129.85
  12.42.6 Shoe (Plain)    
  12.42.6.1 75 mm Shoe each 79.2
  12.42.6.2 110 mm Shoe each 112.8
12.43 Providing and fixing unplasticised -PVC pipe clips of approved design to unplasticised - PVC rain water pipes by means of 50x50x50 mm hard wood plugs, screwed with M.S. screws of required length, including cutting brick work and fixing in cement mortar 1:4 (1 cement : 4 coarse sand) and making good the wall etc. complete.    
  12.43.1 75 mm each 290.15
  12.43.2 110 mm each 288.8
12.44 Providing and fixing to the inlet mouth of rain water pipe cast iron grating 15 cm diameter and weighing not less than 440 grams. each 47.25
12.45 Providing and fixing false ceiling at all height including providing and fixing of frame work made of special sections, power pressed from M.S. sheets and galvanized with zinc coating of 120 gms/sqm (both side inclusive) as per IS : 277 and consisting of angle cleats of size 25 mm wide x 1.6 mm thick with flanges of 27 mm and 37mm, at 1200 mm centre to centre, one flange fixed to the ceiling with dash fastener 12.5 mm dia x 50mm long with 6mm dia bolts, other flange of cleat fixed to the angle hangers of 25x10x0.50 mm of required length with nuts & bolts of required size and other end of angle hanger fixed with intermediate G.I. channels 45x15x0.9 mm running at the spacing of 1200 mm centre to centre, to which the ceiling section 0.5 mm thick bottom wedge of 80 mm with tapered flanges of 26 mm each having lips of 10.5 mm, at 450 mm centre to centre, shall be fixed in a direction perpendicular to G.I. intermediate channel with connecting clips made out of 2.64 mm dia x 230 mm long G.I. wire at every junction, including fixing perimeter channels 0.5 mm thick 27 mm high having flanges of 20 mm and 30 mm long, the perimeter of ceiling fixed to wall/partition with the help of rawl plugs at 450 mm centre, with 25mm long dry wall screws @ 230 mm interval, including fixing of gypsum board to ceiling section and perimeter channel with the help of dry wall screws of size 3.5 x 25 mm at 230 mm c/c, including jointing and finishing to a flush finish of tapered and square edges of the board with recommended jointing compound , jointing tapes , finishing with jointing compound in 3 layers covering upto 150 mm on both sides of joint and two coats of primer suitable for board, all as per manufacturer's specification and also including the cost of making openings for light fittings, grills, diffusers, cutouts made with frame of perimeter channels suitably fixed, all complete as per drawings, specification and direction of the Engineer in Charge but excluding the cost of painting with :    
  12.45.1 12.5 mm thick tapered edge gypsum plain board conforming to IS: 2095- (Part I) : 2011 (Board with BIS certification marks) sqm 1117.65
  12.45.2 12.5 mm thick tapered edge Glass Reinforced Gypsum (GRG) board conforming to IS: 2095- (Part 3) : 1996 (Board with BIS certification marks) sqm 1237.05
  12.45.3 12.5 mm thick tapered edge gypsum moisture resistant board sqm 1286.2
  12.45.4 Fully Perforated Gypsum Plaster Board of size 1200 x 2400x12.5 mm having approx. 15 % perforated area with perforation size and pattern as approved by the Engineerin-charge and as per manufacturer's specification, with all 4 side tapered and backed by acoustical tissue with NRC value not less than 0.60 sqm 1475.85
12.46 Providing and fixing to the inlet mouth of rain water pipe PTMT (an Engineering Thermoplastic) grating square (Slit) 150 mm square with a height of 8 mm and weighing not less than 100 gms. each 100.45
12.47 Providing & fixing UV stabilised fiberglass reinforced plastic sheet roofing up to any pitch, including fixing with polymer coated 'J' or 'L' hooks, bolts & nuts 8mm dia. G.I plain/bitumen washers complete but excluding the cost of purlins, rafters, trusses etc. The sheets shall be manufactured out of 2400 TEX panel rovigs incorporating minimum 0.3% ultra-violet stabiliser in resin system under approximately 2400 psi and hot cured. They shall be of uniform pigmentation and thickness without air pockets and shall conform to IS 10192 and IS 12866.The sheets shall be opaque or translucent, clear or pigmented, textured or smooth as specified.    
  12.47.1 2 mm thick corrugated (2.5" or 4.2" or 6") or step-down (2" or 3" or 6" ) as specified sqm 1095.2
  12.47.2 2 mm thick flat sqm 999.35
12.48 Providing & fixing on roof pressed clay tile (Mangalore tile) of 20 mm nominal thickness and of approved size and as per approved pattern on steel frame work complete (steel frame work to be paid separately). sqm 324.4
12.49 Providing & laying on roof pressed clay tile ridge (Mangalore tile) of 20mm thickness and of approved pattern on steel frame work complete (steel frame work to be paid separately). sqm 72.2
12.5 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 Engineerin-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 sqm 627.55
12.51 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 :    
  12.51.1 Ridges plain (500 - 600mm) metre 416.3
  12.51.2 Flashings/ Aprons.( Upto 600 mm) metre 368.6
  12.51.3 North light curves metre 44305
  12.51.4 Barge board (Upto 300 mm) metre 355.8
  12.51.5 Crimp curve sqm 408.95
  12.51.6 Gutter (600 mm over all girth) metre 1041.75
12.52 Providing and fixing tiled false ceiling of specified materials of size 595x595 mm in true horizontal level, suspended on inter locking metal grid of hot dipped galvanized steel sections ( galvanized @ 120 grams/ sqm, both side inclusive) consisting of main "T" runner with suitably spaced joints to get required length and of size 24x38 mm made from 0.30 mm thick (minimum) sheet, spaced at 1200 mm center to center and cross "T" of size 24x25 mm made of 0.30 mm thick (minimum) sheet, 1200 mm long spaced between main "T" at 600 mm center to center to form a grid of 1200x600 mm and secondary cross "T" of length 600 mm and size 24x25 mm made of 0.30 mm thick (minimum) sheet to be interlocked at middle of the 1200x600 mm panel to form grids of 600x600 mm and wall angle of size 24x24x0.3 mm and laying false ceiling tiles of approved texture in the grid including, required cutting/making, opening for services like diffusers, grills, light fittings, fixtures, smoke detectors etc. Main "T" runners to be suspended from ceiling using GI slotted cleats of size 27 x 37 x 25 x1.6 mm fixed to ceiling with 12.5 mm dia and 50 mm long dash fasteners, 4 mm GI adjustable rods with galvanised butterfly level clips of size 85 x 30 x 0.8 mm spaced at 1200 mm center to center along main T, bottom exposed width of 24 mm of all T-sections shall be pre-painted with polyester paint, all complete for all heights as per specifications, drawings and as directed by Engineer-in-charge.    
  12.52.1 GI Metal Ceiling Lay in plain Tegular edge Global white color tiles of size 595x595 mm, and 0.5 mm thick with 8 mm drop; made of G I sheet having galvanizing of 100 gms/sqm (both sides inclusive) and electro statically polyester powder coated of thickness 60 microns (minimum), including factory painted after bending sqm 1504.45
  12.52.2 GI Metal Ceiling Lay in perforated Tegular edge global white color tiles of size 595x595 mm and 0.5 mm thick with 8 mm drop; made of GI sheet having galvanizing of 100 gms/sqm (both sides inclusive) and 20% perforation area with 1.8 mm dia holes and having NRC (Noise Reduction Coefficient ) of 0.5, electro statically polyester powder coated of thickness 60 microns (minimum), including factory painted after bending and perforation, and backed with a black Glass fiber acoustical fleece. sqm 1649.15
  12.52.3 12.5 mm thick square edge PVC Laminated Gypsum Tile of size 595x595 mm, made of Gypsum plasterboard, manufactured from natural gypsum as per IS 2095 part I and laminated with white 0.16mm thick fire retardant PVC film on the face side and 12micron metalized polyester on the back side with all edges sealed with the face side PVC film which goes around and wraps the edges and is bonded to the edges and the back side metalized polyester film so as to make the tile a completely sealed unit. sqm 1880.95
  12.52.4 12.5 mm thick fully Perforated Gypsum Board tile made from plasterboard having glass fibre conforming to IS: 2095 part I, of size 595x595 mm, having perforation of 9.7x9.7 mm at 19.4 mm c/c with center borders of 48 mm and the side borders of 30 mm, backed with non woven tissue on the back side, having an NRC (Noise Reduction Coefficient) of 0.79, with 50 mm resin bonded glass wool backing sqm 1171.5
12.53 Providing and Fixing 15 mm thick densified tegular edged eco friendly light weight calcium silicate false ceiling tiles of approved texture of size 595 x 595 mm in true horizontal level, suspended on inter locking metal grid of hot dipped galvanised steel sections (galvanising @ 120 grams per sqm including both side) consisting of main ‘T’ runner suitably spaced at joints to get required length and of size 24x38 mm made from 0.33 mm thick (minimum) sheet, spaced 1200 mm centre to centre, and cross “T” of size 24x28 mm made out of 0.33 mm (Minimum) sheet, 1200 mm long spaced between main’T’ at 600 mm centre to centre to form a grid of 1200x600 mm and secondary cross ‘T’ of length 600 mm and size 24 x28 mm made of 0.33 mm thick (Minimum) sheet to be inter locked at middle of the 1200x 600 mm panel to from grid of size 600x600 mm, resting on periphery walls /partitions on a Perimeter wall angle pre-coated steel of size(24x24X3000 mm made of 0.40 mm thick (minimum) sheet with the help of rawl plugs at 450 mm centre to centre with 25 mm long dry wall screws @ 230 mm interval and laying 15 mm thick densified edges calicum silicate ceiling tiles of approved texture in the grid, including, cutting/ making opening for services like diffusers, grills, light fittings, fixtures, smoke detectors etc., wherever required. Main ‘T’ runners to be suspended from ceiling using G.I. slotted cleats of size 25x35x1.6 mm fixed to ceiling with 12.5 mm dia and 50 mm long dash fasteners, 4 mm G.I. adjustable rods with galvanised steel level clips of size 85 x 30 x 0.8 mm, spaced at 1200 mm centre to centre along main ‘T’, bottom exposed with 24 mm of all Tsections shall be pre-painted with polyster baked paint, for all heights, as per specifications, drawings and as directed by Engineer-in-Charge. sqm 1643.95
  Note :- Only calcium silicate false ceiling area will be measured from wall to wall. No deduction shall be made for exposed frames/ opening (cut outs) having area less than 0.30 sqm.The calcium silicate ceiling tile shall have NRC value of 0.50 (Minimum), light reflection > 85%, non- combustible as per B.S. 476 part IV, 100% humidity resistance and also having thermal conductivity    
12.54 Providing and fixing Gl Clip in Metal Ceiling System of 600x600 mm module which includes providing and fixing 'C' wall angle of size 20x30x20 mm made of 0.5 mm thick pre painted steel along the perimeter of the room with help of nylon sleeves and wooden screws at 300 mm center to centre, suspending the main C carrier of size 10x38x10 mm made of G.I steel 0.7 mm thick from the soffit with help of soffit cleat 37x27x25x1.6 mm, rawl plugs of size 38x12 mm and C carrier suspension clip and main carrier bracket at 1000 mm    
c/c. Inverted triangle shaped Spring Tee having height of 24 mm and
width of 34 mm made of Gl steel 0.45 mm thick is then fixed to the
main C carrier and in direction perpendicular to it at 600 mm centers
with help of suspension brackets. Wherever the main C carrier and
spring T have to join, C carrier and spring T connectors have to be
used. All sections to be galvanized @ 120 gms/sqm (both side
inclusive), fixing with clip in tiles into spring T with :
  12.54.1 GI Metal Ceiling Clip in plain Beveled edge global white color tiles of size 600x600 and 0.5 mm thick with 25 mm height, made of G I sheet having galvanizing of 100 gms/ sqm (both sides inclusive) and electro statically polyester powder coated of thickness 60 microns (minimum), including factory painted after bending. sqm 1734.1
  12.54.2 GI Metal Ceiling Clip in plain Beveled edge global white color tiles of size 600x600 and 0.5 mm thick with 25 mm height, made of G I sheet having galvanizing of 100 gms/ sqm (both sides inclusive) and 20% perforation area with 1.8 mm dia holes and having NRC of 0.5, electro statically polyester powder coated of thickness 60 microns (minimum), including factory painted after bending and perforation. sqm 1881.6
12.55 Providing and fixing Heat Resistant Terrace Tiles (300 mm x 300 mm x 20 mm) with SRI (solar refractive index) > 78, solar reflection > 0.70 and initial emittance > 0.75 on waterproof and sloped surface of terrace, laid on 20 mm thick cement sand mortar in the ratio of 1:4 (1 cement : 4 coarse sand) and grouting the joints with mix of white cement & marble powder in ratio of 1:1, including rubbing and polishing of the surface upto 3 cuts complete, including providing skirting upto 150 mm height along the parapet walls in the same manner. sqm 1374.1
12.56 Providing and laying roof insulation with 40 mm thick impervious sprayed, closed cell free Rigid Polyurethane foam over deck insulation conforming to IS - 12432 Pt. III (density of foam being 40-45 kg/ cum), over a coat of polyurethane primer applied @ 6-8 sqm per litre, laying 400 G polythene sheet over PUF spray and providing a wearing course of 40 mm thick cement screed 1:2:4 (1 cement : 2 coarse sand : 4 stone aggregate 20 mm nominal size) in chequered rough finish, in panels of 2.5 m x 2.5 m and embedding with 24 G wire netting and sealing the joints with polymerized mastic, all complete as per direction of Engineer-in-Charge. sqm 1412.2
12.57 Providing and fixing thermal insulation with Resin Bonded Fibre glass wool conforming to IS: 8183 having density 24 kg/m3, 50 mm thick, wrapped in 200G Virgin Polythene Bags fixed to wall with screw, rawel plug & washers and held in position by criss crossing GI wire etc. complete as per directions of Engineer-in-Charge. sqm 316.4
12.58 Providing and fixing tiled false ceiling of specified materials of size 595x595 mm in true horizontal level, suspended on interlocking metal grid of hot dipped galvanized steel sections ( galvanized @ 120 grams/ sqm, both side inclusive) consisting of main "T" runner with suitably spaced joints to get required length and of size 24x38 mm made from 0.30 mm thick (minimum) sheet, spaced at 1200 mm center to center and cross "T" of size 24x25 mm made of 0.30 mm thick (minimum) sheet, 1200 mm long spaced between main "T" at 600 mm center to center to form a grid of 1200x600 mm and secondary cross "T" of length 600 mm and size 24x25 mm made of 0.30 mm thick (minimum) sheet to be interlocked at middle of the 1200x600 mm panel to form grids of 600x600 mm and wall angle of size 24x24x0.3 mm and laying false ceiling tiles of approved texture in the grid including, required cutting/making, opening for services like diffusers, grills, light fittings, fixtures, smoke detectors etc. Main "T" runners to be suspended from ceiling using GI slotted cleats of size 27 x 37 x 25 x1.6 mm fixed to ceiling with 12.5 mm dia and 50 mm long dash fasteners, 4 mm GI adjustable rods with galvanized butterfly level clips of size 85 x 30 x 0.8 mm spaced at 1200 mm center to center along main T, bottom exposed width of 24 mm of all T-sections shall be pre-painted with polyester paint, all complete for all heights as per specifications, drawings and as directed by Engineer-in-charge    
  12.58.1 8 mm thick fully perforated calcium silicate board made with Calcareous & Siliceous materials reinforced with cellulose fiber manufactured through autoclaving process to give stable crystalline structure with minimum compressive strength 225 kg/ sq. cm, bending strength 100 kg/sq. cm , of size 595x595 mm, having perforation of dia. 10 mm with minimum perforated area 18 % with non woven tissue on the back side, having an NRC ( Noise Reduction Coefficient) of 0.85, with 50 mm thick rockwool of 48 kg /cum backing. sqm 1759.75
12.59 Providing & fixing false ceiling at all height including providing & fixing of framework made of special section, power pressed from M.S. sheets and galvanised with zinc coating of 120 gms/ sqm (both side inclusive) as per IS : 277 and consisting of angle cleat of size 25mm wide x 1.6mm thick with flanges of 27mm and 37mm, at 1200mm c/c, one flange fixed to the ceiling with dash fastener 12.5mm dia x 50mm long with 6mm dia bolts, other flange of cleat fixed to the angle hangers of 25 x10 x0.50mm of required length with nuts & bolts of required size and other end of angle hanger fixed with intermediate G.I chanels 45 x15 x 0.90mm running at the spacing of 1200 mm c/c, to which the ceiling section 0.5mm thick bottom wedge of 80mm with tapered flanges of 26 mm each having lips of 10.5mm, at 450mm c/c, shall be fixed in a direction perpendicular to G.I intermediate channel with connecting clip made out of 2.64mm dia x 230mm long G.I wire at every junction, including fixing perimeter channels 0.50mm thick 27mm high having flanges of 20mm and 30mm long, the perimeter of ceiling fixed to wall/ partitions with the help of Rawl plugs at 450mm centre, with 25mm long dry wall screws @ 230mm interval, including fixing of Calcium    
Silicate Board to ceiling section and perimeter channels with the help of dry wall screws of size 3.5 x25mm at 230mm c/c, including jointing & finishing to a flush finish of tapered and square edges of the board with recommended jointing compounds, jointing tapes,finishing with jointing compounds in three layers covering up to 150mm on both sides of joints and two coats of primer suitable for boards, all as per manufacture's specification and also including the cost of making opening for light fittings, grills, diffusers, cut outs made with frame of perimeter channels suitably fixed, all complete as per drawings, specificaton and direction of the Engineer in charge but excluding the cost of painting with:
  12.59.1 8 mm thick Calcium Silicate Board made with Calcareous & Siliceous materials reinforced with cellulose fiber manufactured through autoclaving process sqm 1273.05
12.6 Providing and fixing thermal insulation of ceiling (under deck insulation) with Resin Bonded Rockwool conforming to IS: 8183,density 48 kg/ m3, 50 mm thick, wrapped in 200 G Virgin Polythene bags fixed to ceiling with metallic cleats (50x50x3 mm) @ 60 cm and wire mesh of 12.5mm x 24 gauge wire mesh, for top most ceiling of building. sqm 546.4
12.61 Providing and fixing thermal insulation with Resin bonded rock wool conforming to IS: 8183, density 48 kg/m3, 50 mm thick, wrapped in 200 G virgin Polythene bags placed over existing false ceilng and held in position by criss-crossing Gl wire sqm 277.2
12.62 Providing and fixing thermal insulation with Resin Bonded rock wool conforming to IS: 8183, having density 48 kg/m3,50 mm thick,wrapped in 200 G Virgin Polythene Bags fixed to wall with screw, rawel plug & washers and held and in position by criss cossing GI wire etc. complete as per directions of Engineer-inCharge. sqm 282.55
12.63 Providing and applying two coats of High Albedo paint having minimum Solar Reflective Index (SRI) 108 (with solar reflectance & thermal emittance tested as per ASTM) C 1549 and ASTM C 1371 respectively), VOC less than 10 cc/gm. The coating thickness and the methodology of application shall strctly as per manufacturer's specifications and as approved by Engineer-in-Charge. Surface preparation includes cleaning with metal wire brush to remove all dust, fungus etc., washing with water all complete. The contractor shall give guarantee for the perfomance of SRI and also the durabitity of coating, all complete as per direction of Engineer-in-Charge. sqm 314.85
 

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