At Kolkata - Provision for extension of Platform at P.F. No.1 and island Platform of P.F.2-3 with other operational facilities at Kolkata station.

A-Items covering relevant chapters of the Delhi schedule of Rates-2023

A1-Items covering relevant chapters of the ER-HQ-IR-USSOR 2021-3-Ver

Supply and laying of quarry dust including consolidation, supply of all materials, 3 labour, lead, lift, tools, plants, crossing of tracks as per drawing and technical specification as directed by the Engineer in charge in case loose slush is encountered at site of foundation before casting the foundation or laying the filtering media.

Item Breakup - A-Items covering relevant chapters of the Delhi schedule of Rates-2023 [Ver.-1]

Jamuna sand, with common burnt clay non modular bricks. 11.16S TILE FLOORING Chequered terrazzo tiles 22 mm thick with graded marble chips of size up to 6 mm in floors, jointed with neat cement slurry mixed 11.19 with pigment to match the shade of the tiles, including rubbing and polishing complete, on 20 mm thick bed of cement mortar 1:4 (1 cement :4 coarse sand) : 42 11.19.3 Dark shade pigment using ordinary cement Sqm 500 1442.15 721075 Chequered precast cement concrete tiles 22 mm thick in footpath & courtyard, jointed with neat cement slurry mixed with pigment to 11.20 match the shade of tiles, including rubbing and cleaning etc. complete, on 20 mm thick bed of cement mortar 1:4 (1 cement: 4 coarse sand). 43 11.20.3 Dark shade pigment using ordinary cement Sqm 2580 1119.5 2888310 11.26S KOTA STONE FLOORING Kota stone slab flooring over 20 mm (average) thick base laid over and jointed with grey cement slurry mixed with pigment to match 11.26 the shade of the slab, including rubbing and polishing complete with base of cement mortar 1 : 4 (1 cement : 4 coarse sand) : 44 11.26.1 25 mm thick Sqm 2405 1948.25 4685541.25 11.37S CERAMIC GLAZED TILES SEALDAH DIVISION-ENGINEERING/EASTERN RLY 11.37A Providing and fixing 1st quality ceramic glazed Sqm 105 1112.7 116833.5 floor tiles conforming to IS : 15622 (thickness to be specified by the manufacturer ) of approved make in all colours, shades except burgundy, bottle green, black of any size as approved by Engineer-in-Charge in skirting, 45 risers of steps and dados over 12 mm thick bed of cement Mortar 1:3 (1 cement: 3 coarse sand) and jointing with grey cement slurry @ 3.3kg per sqm including pointing in white cement mixed with pigment of matching shade complete. 11.41S VITRIFIED FLOOR TILES Providing and laying Polished Granite stone flooring in required design and patterns, in linear as well as curvilinear portions of the building all complete as per the architectural drawings with 18 mm thick stone slab over 20 mm (average) thick base of cement mortar 1:4 11.56 (1 cement : 4 coarse sand) laid and jointed with cement slurry and pointing with white cement slurry admixed with pigment of matching shade including rubbing , curing and polishing etc. all complete as specified and as directed by the Engineer-in-Charge. 11.56.1 Polished Granite stone slab colour of Black, Sqm 175 4481.3 784227.5 46 Cherry/Ruby Red or equivalent 11.56.2 Polished Granite stone slab of all colour and Sqm 95 3071.05 291749.75 47 texture except Black, Cherry/Ruby Red 12.0 ROOFING 12.1S SHEET ROOFING Providing valleys of 90 cm wide overall in plain G.S. sheet fixed with polymer coated J, or L 12.5 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 Metre 1250 1863.9 2329875 48 350 gm/m2 12.37S RAIN WATER SPOUT AND PIPE Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring 12.41 conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes. 49 12.41.2 110 mm diameter Metre 75 377.4 28305 Providing and fixing on wall face unplasticised - PVC moulded fittings/ accessories for unplasticised Rigid PVC rain water pipes 12.42 conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion. 12.42.5 Bend 87.5 degree 50 12.42.5.2 110 mm bend Each 75 150.35 11276.25 SEALDAH DIVISION-ENGINEERING/EASTERN RLY Providing & fixing UV stabilised fiberglass reinforced plastic sheet roofing up to any pitch, including fixing with polymer coated 'J' or 'L' hooks, bolts & nuts 8 mm 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 12.47 panel rovings 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. 51 12.47.2 2 mm thick flat Sqm 50 1245.65 62282.5 Providing & fixing at all heights, levels and locations Mill 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 truss members 12.64 in 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 separately). 12.64.1 0.56 mm, Aluminium troughed profile with Sqm 260 1034.1 268866 center to center pitch of 200 mm, depth of 32 52 mm, overall profile width1092 mm, cover width 1000 mm. 13.0 FINISHING 13.4S CEMENT PLASTER (IN COARSE SAND) 13.4 12 mm cement plaster of mix : 53 13.4.2 1:6 (1 cement: 6 coarse sand) Sqm 1100 343.65 378015 15 mm cement plaster on rough side of single 13.5 or half brick wall of mix: 54 13.5.2 1:6 (1 cement: 6 coarse sand) Sqm 700 395.35 276745 CEMENT PLASTER WITH A FLOATING COAT OF 13.7S NEAT CEMENT 12 mm cement plaster finished with a floating 13.7 coat of neat cement of mix : 55 13.7.1 1:3 (1 cement: 3 fine sand) Sqm 350 439.25 153737.5 13.16S 6 mm CEMENT PLASTER 13.16 6 mm cement plaster of mix : 56 13.16.1 1:3 (1 cement : 3 fine sand) Sqm 500 300.45 150225 13.20S PEBBLE DASH PLASTER 13.26 Providing and applying plaster of paris putty of Sqm 225 262.7 59107.5 2 mm thickness over plastered surface to 57 prepare the surface even and smooth complete. 13.37S INTERIOR FINISHING Distempering with 1st quality acrylic distemper (ready mixed) having VOC content less than 13.41 50 gram/litre, of approved manufacturer and of required shade and colour all complete to achieve even shade and colour : 13.41.1 New work (two or more coats) over and Sqm 450 185.65 83542.5 including water thinnable priming coat with 58 cement primer having VOC content less than 50 gram/litre 13.44S EXTERIOR FINISHING SEALDAH DIVISION-ENGINEERING/EASTERN RLY Finishing walls with water proofing cement 13.44 paint of required shade : 13.44.1 New work (Two or more coats applied @ 3.84 Sqm 250 116.9 29225 59 kg/10 sqm) Finishing walls with Acrylic Smooth exterior 13.46 paint of required shade : 13.46.1 New work (Two or more coat applied @ 1.67 Sqm 1000 160.6 160600 60 ltr/10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/10 sqm) Finishing with Deluxe Multi surface paint 13.48 system for interiors and exteriors using Primer as per manufacturers specifications : 13.48.1 Two or more coats applied on walls @ 1.25 Sqm 500 193.7 96850 61 ltr/10 sqm over and including one coat of Special primer applied @ 0.75 ltr /10 sqm 13.50 Applying priming coat: 13.50.3 With ready mixed red oxide zinc chromate Sqm 2500 67.4 168500 62 primer of approved brand and manufacture on steel galvanised iron/ steel works Painting with synthetic enamel paint of 13.61 approved brand and manufacture to give an even shade : 63 13.61.1 Two or more coats on new work Sqm 1200 155.9 187080 Painting with aluminium paint of approved 13.63 brand and manufacture to give an even shade . 64 13.63.1 Two or more coats on new work Sqm 2500 146.8 367000 13.91 Removing dry or oil bound distemper, water Sqm 1200 25.15 30180 proofing cement paint and the like by 65 scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete. Painting with synthetic enamel paint of 13.99 approved brand and manufacture of required colour to give an even shade : 66 13.99.1 One or more coats on old work Sqm 1700 102.8 174760 Painting with aluminium paint of approved 13.100 brand and manufacture to give an even shade: 67 13.100.1 One or more coats on old work Sqm 3200 96 307200 Finishing walls with Acrylic Smooth exterior 13.111 paint of required shade : 13.111.1 Old work (Two or more coat applied @ 1.67 ltr/ Sqm 2500 120.75 301875 68 10 sqm) on existing cement paint surface 15.0 DISMANTLING AND DEMOLISHING 15.1S General Demolishing cement concrete manually/ by mechanical means including disposal of 15.2 material within 50 metres lead as per direction of Engineer - in - charge. 15.2.1 Nominal concrete 1:3:6 or richer mix cum 90 2434.25 219082.5 69 (including equivalent design mix) 15.3 Demolishing R.C.C. work manually/ by cum 35 3551.25 124293.75 mechanical means including stacking of steel 70 bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge. Demolishing brick work manually/ by mechanical means including stacking of 15.7 serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge. 71 15.7.4 In cement mortar cum 150 2060.2 309030 SEALDAH DIVISION-ENGINEERING/EASTERN RLY Dismantling tile work in floors and roofs laid in 15.23 cement mortar including stacking material within 50 metres lead. 72 15.23.1 For thickness of tiles 10 mm to 25 mm Sqm 450 73.4 33030 16.0 ROAD WORK 16.1S ROADS Dry brick pitching half brick thick in drains 16.12 including supply of bricks and preparing the surface complete : 16.12.1 With common burnt clay F.P.S. (non modular) Sqm 750 644.05 483037.5 73 bricks of class designation 7.5 16.49S MISCELLANEOUS 16.75 Providing and laying C.C. pavement of mix M- cum 50 9823.8 491190 25 with ready mixed concrete from batching plant. The ready mixed concrete shall be laid and finished with screed board vibrator , 74 vacuum dewatering process and finally finished by floating, brooming with wire brush etc. complete as per specifications and directions of Engineer-in-charge. (The panel shuttering work shall be paid for separately). 16.90 Providing and laying tactile tile (for vision Sqm 250 2017.6 504400 impaired persons as per standards) of size 300x300x9.8mm having with water absorption less than 0.5% and conforming to IS:15622 of approved make in all colours and shades in for outdoor floors such as footpath, court yard, 75 multi modals location etc., laid on 20mm thick base of cement mortar 1:4 (1 cement : 4 coarse sand) in all shapes & patterns including grouting the joints with white cement mixed with matching pigments etc. complete as per direction of Engineer-in-Charge. 17.0 SANITARY INSTALLATIONS 17.1S General Providing and fixing white vitreous china pedestal type water closet (European type W.C. pan) with seat and lid, 10 litre low level white P.V.C. flushing cistern, including flush 17.2 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 : 17.2.1 W.C. pan with ISI marked white solid plastic Each 10 6515.55 65155.5 76 seat and lid Providing and fixing white vitreous china flat back or wall corner type lipped front urinal basin of 430x260x350 mm and 340x410x265 mm sizes respectively with automatic flushing 17.4 cistern with standard flush pipe and C.P. brass spreaders with brass unions and G.I clamps complete, including painting of fittings and brackets, cutting and making good the walls and floors wherever required : 17.4.1 One urinal basin with 5 litre white P.V.C. Each 8 6258.75 50070 77 automatic flushing cistern Providing and fixing one piece construction white vitreous china squatting plate with an integral longitudinal flushing pipe, white P.V.C. automatic flushing cistern, with fittings, standard size G.I. / PVC flush pipe for back and 17.6 front flush with standard spreader pipes with fittings, G.I clamps and C.P. brass coupling complete, including painting of fittings and cutting and making good the walls and floors etc. wherever required : SEALDAH DIVISION-ENGINEERING/EASTERN RLY 17.6.1 Single squatting plate with 5 litre P.V.C. Each 15 9256.45 138846.75 78 automatic flushing cistern 17.7B Providing and fixing wash basin with C.I. Each 25 1550.6 38765 brackets, 15 mm PTMT pillar cock, 32 mm PTMT waste coupling of standard pattern, including painting of fittings and brackets, 79 cutting and making good the walls wherever required. White Vitreous China Flat back wash basin size 550x400 mm with single 15 mm PTMT pillar cock. 17.16A Providing and fixing 8 mm dia C.P. / S.S. Jet Each 20 349.15 6983 with flexible tube upto 1 metre long with S.S. 80 triangular plate to European type W.C. of quality and make as approved by Engineer - in - charge. Providing and fixing P.V.C. low level flushing cistern with manually controlled device 17.18 (handle lever) conforming to IS : 7231, with all fittings and fixtures complete. 81 17.18.1 10 litre capacity - White Each 15 1190.65 17859.75 17.23 Providing and fixing white vitreous china flat Each 8 1648.95 13191.6 back or wall corner type lipped front urinal 82 basin of 430x260x350 mm or 340x410x265 mm sizes respectively. Providing and fixing P.V.C. waste pipe for sink 17.28 or wash basin including P.V.C. waste fittings complete. 17.28.1 Semi rigid pipe 83 17.28.1.1 32 mm dia Each 35 103.9 3636.5 Providing and fixing mirror of superior glass (of approved quality) and of required shape and 17.32 size with plastic moulded frame of approved make and shade with 6 mm thick hard board backing : 84 17.32.2 Rectangular shape 453x357 mm Each 12 1361.8 16341.6 Providing and fixing soil, waste and vent pipes 17.35 : 17.35.1 100 mm dia 85 17.35.1.1 Sand cast iron S&S pipe as per IS: 1729 Metre 150 1151.9 172785 Providing and fixing PTMT towel rail complete with brackets fixed to wooden cleats with CP 17.73 brass screws with concealed fittings arrangement of approved quality and colour. 17.73.2 600 mm long towel rail with total length of 645 Each 10 708.95 7089.5 86 mm, width 78 mm and effective height of 88 mm, weighing not less than 190 gms. 18.0 WATER SUPPLY 18.7S C.P.V.C. PIPES Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, and all CPVC plain & brass threaded fittings, including fixing the 18.7 pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. ( Internal work - Exposed on wall ) 87 18.7.1 15 mm nominal dia Pipes Metre 125 286.8 35850 88 18.7.2 20 mm nominal dia Pipes Metre 75 335 25125 89 18.7.3 25 mm nominal dia Pipes Metre 150 401.55 60232.5 SEALDAH DIVISION-ENGINEERING/EASTERN RLY 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 18.9 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 90 18.9.5 40 mm nominal dia Pipes Metre 50 563.05 28152.5 91 18.9.6 50 mm nominal dia Pipes Metre 50 794.25 39712.5 Providing and fixing G.I. pipes complete with G.I. fittings and clamps, including cutting and 18.10 making good the walls etc. ( Internal work - Exposed on wall ) 92 18.10.1 15 mm dia nominal bore Metre 110 366.4 40304 93 18.10.2 20 mm dia nominal bore Metre 80 437.3 34984 94 18.10.3 25 mm dia nominal bore Metre 170 551.7 93789 Providing and fixing G.I. pipes complete with 18.12 G.I. fittings including trenching and refilling etc. External work 95 18.12.1 15 mm dia nominal bore Metre 75 322.15 24161.25 96 18.12.2 20 mm dia nominal bore Metre 115 368.6 42389 97 18.12.3 25 mm dia nominal bore Metre 110 467.75 51452.5 18.15S BRASS FITTINGS Providing and fixing gun metal gate valve with 18.17 C.I. wheel of approved quality (screwed end) : 98 18.17.1 25 mm nominal bore Each 12 622.4 7468.8 99 18.17.3 40 mm nominal bore Each 8 826.1 6608.8 100 18.17.4 50 mm nominal bore Each 5 1026.65 5133.25 Providing and fixing ball valve (brass) of 18.18 approved quality, High or low pressure, with plastic floats complete : 101 18.18.3 25 mm nominal bore Each 15 464.05 6960.75 18.23S C.I./DUCTILE IRON PIPES & SPECIALS Providing and laying S&S centrifugally cast 18.27 (spun) iron pipes (Class LA) conforming to IS - 1536 : 102 18.27.1 100 mm dia pipe Metre 25 1423.1 35577.5 Providing flanged joints to double flanged C.I./ 18.30 D.I. pipes and specials, including testing of joints : 103 18.30.2 100 mm diameter pipe Each 15 332 4980 C.I. SLUICE VALVES/ FIRE HYDRANTS & 18.31S FIXTURES Providing and fixing C.I. sluice valves (with cap) complete with bolts, nuts, rubber 18.31 insertions etc. (the tail pieces if required will be paid separately) : 18.31.1 100 mm diameter 104 18.31.1.2 Class II Each 8 4985.85 39886.8 18.48 Providing and placing on terrace (at all floor Per 8000 11 88000 levels) polyethylene water storage tank, IS : Litre 12701 marked, with cover and suitable locking 105 arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank. 18.54S PTMT FITTINGS Providing and fixing PTMT bib cock of 18.54 approved quality and colour. 18.54.1 15 mm nominal bore, 86 mm long, weighing Each 75 125.6 9420 106 not less than 88 gms SEALDAH DIVISION-ENGINEERING/EASTERN RLY Providing and fixing PTMT stop cock of 18.55 approved quality and colour. 18.55.1 15 mm nominal bore, 86 mm long, weighing Each 45 118.5 5332.5 107 not less than 88 gms Providing and fixing PTMT, push cock of 18.57 approved quality and colour. 18.57.1 15 mm nominal bore, 98 mm long, weighing Each 125 112.8 14100 108 not less than 75 gms Providing and fixing PTMT grating of approved 18.58 quality and colour. 18.58.1 Circular type 109 18.58.1.1 100 mm nominal dia Each 50 37.6 1880 18.59S AIR VALVE & WATER METER (BULK TYPE) Providing and fixing PTMT Ball cock of approved quality, colour and make complete 18.62 with Epoxy coated aluminium rod with L.P./ H.P.H.D. plastic ball. 18.62.3 25 mm nominal bore, 152mm long, weighing Each 15 523.8 7857 110 not less than 440 gms 18.64 Providing and fixing PTMT swivelling shower, Each 12 121.4 1456.8

40 gms 18.65 Providing and fixing PTMT soap Dish Holder Each 8 111.45 891.6 having length of 138mm, breadth 102mm, 112 height of 75mm with concealed fitting arrangements, weighing not less than 106 gms. Providing and laying Double Flanged (screwed 18.71 / welded) Centrifugally (Spun) Cast Iron, Class B (IS : 1536) : 113 18.71.1 100 mm dia C.I. Double Flanged Pipe Metre 10 2089.35 20893.5 Providing and fixing Stainless Steel pipe and fitting of grade AISI 304 as per JIS standard 3448 complete with press type fitting (fitting shall be paid for separately) including fixing of the pipe with clamps at 1.00 m spacing 18.85 including cutting and making good the walls including testing of joints complete as per direction of Engineer-in-charge. (The pipe length inserted in the fitting shall not be measured for payment) Internal work - Exposed on wall 114 18.85.2 22.22 mm outer dia Pipe Metre 150 599.5 89925 115 18.85.5 42.70 mm outer dia Pipe Metre 75 943.9 70792.5 19.0 DRAINAGE 19.1S STONE WARE PIPES AND FITTINGS Providing and fixing in position pre-cast R.C.C. 19.19 manhole cover and frame of required shape and approved quality 19.19.2 M D - 10 116 19.19.2.2 Circular shape 500 mm internal diameter Each 20 1172.6 23452 21.0 ALUMINIUM WORK 21.1S General SEALDAH DIVISION-ENGINEERING/EASTERN RLY 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 required EPDM rubber/ neoprene gasket 21.1 etc. Aluminium sections shall be smooth, rust free, straight, mitred and jointed mechanically wherever required including cleat angle, Aluminium snap beading for glazing / panelling, C.P. brass / stainless steel screws, all complete as per architectural drawings and the directions of Engineer-in-charge. (Glazing, panelling and dash fasteners to be paid for separately) : 21.1.1 For fixed portion 21.1.1.1 Anodised aluminium (anodised transparent or Kg 50 495.05 24752.5 117 dyed to required shade according to IS: 1868, Minimum anodic coating of grade AC 15) 21.1.1.2 Powder coated aluminium (minimum thickness Kg 75 530.9 39817.5 118 of powder coating 50 micron) Providing and fixing glazing in aluminium door, window, ventilator shutters and partitions etc. with EPDM rubber / neoprene gasket etc. 21.3 complete as per the architectural drawings and the directions of engineer-in-charge . (Cost of aluminium snap beading shall be paid in basic item): 21.3.1 With float glass panes of 4.0 mm thickness Sqm 45 1176.8 52956 119 (weight not less than 10kg/sqm) 26.22.1 With 15 mm thick Tegular edged light weight Sqm 110 2207 242770 120 calcium silicate false ceiling tiles Total 43184910.08

Item Breakup - B-NON SOR ITEMS

Manufacturing, supplying and fitiing fixing Sqm retro reflective sign boards made up of 2mm thick aluminium sheet, face to be fully covered with high intensity encapsulated type heat activated retro reflective sheeting confirming to type-IV of ASTM -D, 4956-01 in any approved colour combination of white or colour polyprismatic lenses elements with a distinctive inter locking seal bottom and oriented mark visible from the face of a smooth surface including subject matter, message [Bilingual], symbols and borders etc. as per IRC; 67:2001, pasted on substrate by an adhesive backing which shall be activated by applying heat and pressure conforming to class-2 of ASTM-D-4956-01 and fixing the same with suitable size alluminium alloy rivets at the rate of 20cm C/C to back support frame of M.S section. All works completed in all respect with all labour, materials tools, plants etc. The rate includes cutting, shaping, sizing the board and sheet as per approved design, colour, symbol, lettering as per manual in different station as per direction of site in- charge. The rate also includes the cost of transportation, lead, lift and fixing the same to the existing structure at any height. SEALDAH DIVISION-ENGINEERING/EASTERN RLY

Supplying, Fitting and Fixing Station name Sqm board, indication boards, other boards, signages etc. made of ACP with vinyle cutting/printing/pasting of any sheet of any size as per approved drawing, design, symbol, lettering, scenery etc. approved by competent authority with necessary frame work of steel structure horizontally and vertically for rigidity of board with necessary fixing arrangement on existing structure with lead, lift, scaffolding including fixing with clamp, nails, screw or any MS section at any height for fixing the board with priming, painting of MS section. All works complete in all respect as per site Engineer.

Providing and fixing permanently colour Sqm coated trapezoidal profiled sheet of depth 28- 30mm at 195-205mm pitch distance with precisely engineered Rib and F l u t e design. Profiled sheets shall be min. 0.5mm TCT/0.45mm BMT high tensile zinc aluminium alloy coated zincalume / galvalume steel sheet [550 mpa yield strength] having a coating of mass of 150 gsm zinc-aluminium coating AZ- 150 total on both sides as per AS 1397:1993 finished with 20 microns approved colour coating of Silicon Modified Polyester (SMP) / Super Polyester paint coat on exposed surface over a primer coat of 5 microns and a back coat of 5 microns on reverse side over a 5 microns primer coat. There shall be 2 small ribs/square flutes between profiles for providing additional strength. The sheet to be fixed over the purlins with hexagonal head self drilling suitable fasteners with neoprene / EPDM washer on crests of the sheet. Total 2226838.75