standard flat bar UniqUe i bar prodUct

Pitch of Bearing Bar

The centre distance between two bearing bars adjacent to each other is called pitch of bearing bar. Standard pitch is 30mm (Series 1), 40mm (Series 2).

Please note: Load bar sizes range from 20mm to 100mm depth. Load bars are available in both Flat Bar and I Bar

product range designed for the international MarketOur manufacturing factory boasts an extensive product range with a simplified key range of options packaged specifically for the International Market.

Leading Edge Industrial product groups:•Loadbarcentres: 30mm load bar centres

for high foot traffic. 40mm load bar centres

for low foot traffic.

Important Please note: We can supply 60mm centres but this size does not meet AS/NZ standards for elevated platforms.

long-term cost savingsMulti-purpose utility and diversity in application are some of the best attributes a product can offer, and the Leading Edge Industrial products certainly offer these. Grating has many uses – not only in industry as walkway flooring but also as screens, drain covers and stairways.

Better still, Leading Edge Industrial is unique!

Pitch of Cross Bar

The centre distance between two cross bars adjacent to each other is called pitch of cross bar. Standard pitch is 100mm.

i bar or GratingThe bearing bar comes in the form of an I-Section. This type of grating is used where high strength is required and light weight is critical. Commonly used for platforms and walkways.

Similar to a steel ‘I Beam’ where the strength is in the flanges, the bar profile gives around 25% weight reduction while retaining strength. This design saves not only weight, but also material cost and galvanizing cost. Savings are also made in the design of the supporting structure for the grate, as the product is so much lighter and stress is reduced.

serrated type i bar GratingThe bearing bar comes in the form of an I-Section with the top surface formed by a series of notches. In addition to its high strength and light weight, this type of grating also has non-slip characteristics. Serrations are rolled on to meet strict health and safety requirements and contain sharp edges. Hot rolled serrations helps stop lacerations if someone falls on the grating.

Sydney Tower Tourist W

alk

construction of platform Grating

Please note: Load bar sizes range from 20mm to 100mm depth. Load bars are available in both Flat Bar and I Bar

2 3

2917

181 435 152 117 290934

100 100 100 53

115 340

9390

710

93

907

100 100 100

290 680 840 575 232

995 995 907181 210 435 117 340 290

93

53100 100

100 100 100

10 10

290 65 575 232

1093

W and W1 are overall lengths of cross bars at opposite ends of panel.

D and D1 are overall diagonal dimensions

D

D1=D 6mm

Length 6mm

W1 =

W

6mm

Wid

th(W

) 6

mm

9 Maximum

9 M

axim

um

Bearing Bars Bearing Bars1/200 of Length

Bearing Bar Alignment and Spacing

Transverse Bow

Cross Bar Location and Bearing Bar

Longitudinal Bow

3mm Projection

10mm

1mm

1.5m

m

1mm

in 1

0mm

4 5

How to order leadinG edGe indUstrial international standards GUaranteed

ManUfactUrinG tolerances

stock panels ready to use off the shelfWe carry a full range of off the shelf stock panel sizes. All panels are 5.8 x 1m (Nominal) sizes range from 20mm load bar to 75mm load bar and come in both series I and series II. Please contact us for sizes and availability of the quantity you require. We also stock pre-galvanised sheets of the more common range.

Made to orderLeading Edge Industrial provides tailored solutions to meet your construction requirements.

What we require from the client:•Typeof loadbarrequired•Loadbarcentres(ie.30mm,

40mm)•Loadbardirections•Cutoutsfullydimensioned•Kickplatedetail ifany•Cliprequirements

When quality is the cornerstone of all operations, standards must follow international benchmarks.

Supplied throughout Australasia Leading Edge Industrial is made to international standards AS1657-1992 Fixed platforms, walkways, stairways and ladders and the factory is accredited to ISO 9001:2000.

The ISO 9001:2000 is an international quality management system involving external audits and stringent quality management criteria.

Our factory has high manufacturing tolerances. This is shown in the unique vertical alignment of the load bars resulting in a stronger,

better-looking product for our customers.

The standard applicable for galvanising is AS/NZS 4680 – Hot Dip Galvanized (zinc) coatings on fabricated ferrous articles.

standard Manufacturing1. Panels supplied as standard

panel width

2. Non-standard widths taken to nearest load bars

3. Cut outs are taken to the nearest load bars

4. Circular cuts under 200mm produced as square

Container Loading D

ockPlatform

Top View

2917

181 435 152 117 290934

100 100 100 53

115 340

9390

710

93

907

100 100 100

290 680 840 575 232

995 995 907181 210 435 117 340 290

93

53100 100

100 100 100

10 10

290 65 575 232

1093

as drawn

as detailed

Coal C

onveyor

1220

Full size off shelf panel

3660

30

30

6 7

frp

Moulded frp GratingFibre Reinforced Plastic (FRP) gratings are widely used as trench covers, grills, flooring, platforms, ramps, pit covers, tower packing supports, walkways, stairs, battery racks, screens, bridges, railings, machinery guards, wash racks, etc. in the industries of chemical, petroleum, electronics, paper, printing & dyeing, water treatment, pollution control, offshore, power, brewing, etc.

•Sheetsizesare1220x3660;mm 1220 x 2440

•Localquickcuttoorderorstandard stock panels

•14mmDepth

•25mmDepth

•38mmDepth

•50mmDepth

•Available inbothisophthalicorvinylester resin

•Antislipgrit topstandard

•Minimesh19x19/38x38sheet size 1220 x 2440

load and deflection table - frpThis table is theoretical and is based on uniformly distributed load of 300kg/m² (3kPa)

stress and deflection factor

Product CodeLoad Bar

(mm)Bar Centres

(mm) Mass kg/m2

Span (mm)

D = mm Deflection 600 750 900 1050 1200

FRP25 25 x 6 38 x 38 12.1 D 1.3 3.1 7.6 13.1 18.6

FRP38 38 x 6 38 x 38 18.6 D 0.3 1.1 2.1 3.8 5.6

FRP50 50 x 6 50 x 50 23.7 D 0.548 0.875 3.645 3.937 –

FRP14 Roof 14 x 6 38 x 38 6.5 D 4.57 – – – –

FRP MiniMesh 38 x 6 19 x 19 23.5 D 0.178 1.204 1.249 1.643 2.246

Note: For uniformly distributed load other than 300kg/m2 (3kPA) grating deflection can be calculated using the factor shown in the following table.

Uniform Load kg/m2 200 250 300 400 500

Factor (i) 0.67 0.83 1.00 1.33 1.67

Sewage Treatm

ent Plant

RECOMMENDED MAX. SPANS FOR GRATING PATTERNS

LOAD BAR SIZE 25 X 3 25 X 5 32 X 5 40 X 5

SERIES I 30mm 550 900 1300 1600

SERIES II 40mm 450 750 1200 1500S TAIRTREADS, THE GRATING SIZE MUST BE NOMINATED.

TYPE ‘AM’

TYPE ‘W’ HANDRAIL BENDS

90° BENDS

TYPE ‘S’

TYPE ‘SAR’

TYPE ‘P’ D.O.S.O

TYPE ‘SO’

FLANGES

ANGLE CLOSURE BEND

Leading Edge Industrial STAIR TREAD

Leading Edge IndustrialFLOOR GRATING

8 9

stair treads a walkway systeM

Made to order

frp tread lengths with nosing 38 x 38 310 wide x 3660 or cut to length

Made to order stair treads or off the shelf stair treadsLeading Edge Industrial has a range of off the shelf stair treads. This saves time and cost.

Length

50~100 100 100

30 P

itch

Bearing Bar

Nosing (checkered or nonslip plate)

Cross Bar

+ 0– 3

Length (mm)

Width (mm)Bolted or Welded

Checker plate nosing

Grating 25x5

600 275 305 4 4 4

650 275 305 4 4 4

700 275 305 4 4 4

750 275 305 4 4 4

800 275 305 4 4 4

Grating 32x5

850 275 305 4 4 4

900 275 305 4 4 4

950 275 305 4 4 4

1050 275 305 4 4 4

Pohokura Oil Platform

Stock Tread Serrated RG325/30/100SEFB

Stock Tread Serrated RG255/30/100SEFB

PPlatform

1020

460 460

560 560 560 635

600

75

150

CCored

WWelded

S Side

S Side

IGIn Ground

STANDARD BASE PLATE

TOP OF STEEL(BEFORE GRID)

AM SCSide Conveyor

SCSide Conveyor

SOSide Offset

P UNICorner Post

55 55

560

1020

460

505485 505

75

115

10 11

standard stancHions

Please Note:

•Alldimensionsaroundcentre lines.

•Alldimensionsinmm

•Alldimensionsshownmayvarytosuitrequirements

•Allstanchionsavailabledrilledoneside only (D.O.S.O.)

•32Nb42.4mmtoprail&25Nb33.8mm mid rail

BEFORE ORDERING: Check suitability of this dimension to match adjoining horizontal rail and adjust if necessary.

Manufactured to as1657-1992

Fully fabricated hand rail modules with and without kickplates made to specification - hot dip galvanized and or painted with 2 pack process.

special sizes and typesLeading Edge Industrial make 3 ball stanchions and specials made to clients order specifications. Please contact us for full drawings and details.

Field Welding

3-50CLIP-GA

300

130R 140

R 140

460

177

100

NB 32(3.2 mm Wall Thk)

150 88 65

150

170

145102

125

65

30

2- 17.5 HolesFor M16 Bolt

2- 17.5 HolesFor M16 Bolt

2- 17.5 HolesFor M16 Bolt

STD CORNER PLATE

STD ANGLE PLATE

STD BASE PLATE

30

6565

50

30

88

44

R 140

R 140

300

NB 32(3.2 mm Wall Thk)

2- 15

20 5090

40

Material: Angle 40x40x3Finish: Hot dip galvanised

Kickplate Bracket•3-KPB-GA

Standard Base Plates•2-SBP-UT

AM Base Plates•2-ABP-UT

Corner Base Plates•2-CBP-UT

Angle Rail Bends•3-ARB32NBor25NB

38° 41° 44°

Top Rail Bends•3-RB32NB-GA

Knee Rail Bends•3-RB25NB-GA

Angle Closure Bends to suit AM Stanchions•3-ACB-44-GA

12 13

stair treads loadinG tables

closure and rail bends

End Closure Bends•3-HCB-GA

1. Field welding

Recommended for all permanently installed gratings, and for gratings that are to be removed only at infrequent intervals.

2. Fixing Clip

This can be secured quickly and safely by one man, working from the floor surface. Available in Boxes of 50

Important note: A minimum of four clips per panel must be used to restrain floor panels. Where larger panels are to be fixed, it is advisable to use extra clips on any available intermediate supports.

light and medium duty (maximum recommended spans)

Heavy duty (maximum recommended spans)

Load Bar Size

Maintenance floorsNo public use

Pedestrian trafficPublic, residential and light use

Pedestrian trafficPublic, commercial and crowd use

2.5KpaDeflection=5mm 3.0KpaDeflection=5mm 4.0KpaDeflection=5mm

Series 1 - 30mm Series 2 - 40mm Series 1 - 30mm Series 2 - 40mm Series 1 - 30mm Series 2 - 40mm

RG 253 1410 1310 1350 1250 1250 1170

RG 323 1700 1580 1620 1510 1510 1400

RG 255 1590 1480 1520 1420 1420 1320

RG 3253 1910 1780 1820 1700 1700 1580

RG 4453 2420 2250 2310 2150 2150 2000

RG 5053 Not Applicable Not Applicable Not Applicable

RG 6574 Not Applicable Not Applicable Not Applicable

RG 7574 Not Applicable Not Applicable Not Applicable

Pohokura Oil Platform

Load Bar Size

General factories and workshops, motor rooms, wheel trolleys

General heavy loading areas, boiler equipment, heavy equipment areas

5KpaDeflection=5mm 7.5KpaDeflection=5mm

Deflection = 5mm Deflection = 10mm Deflection = 5mm Deflection = 10mm

Series 1 - 30mm Series 2 - 40mm Series 1 - 30mm Series 2 - 40mm Series 1 - 30mm Series 2 - 40mm Series 1 - 30mm Series 2 - 40mm

RG 253 Not Applicable Not Applicable

RG 323 Not Applicable Not Applicable

RG 255 1340 1250 1590 1480 1210 1130 1440 1340

RG 3253 1610 1500 1910 1780 1450 1350 1730 1610

RG 4453 2040 1890 2420 2250 1840 1710 2190 2040

RG 5053 2220 2070 2650 2460 2010 1870 2390 2230

RG 6574 2940 2730 3500 3250 2650 2470 3160 2940

RG 7574 3260 3040 3890 3620 2950 2750 3510 3270

Gra

ting

Cod

e

SD

600

750

900

1050

1200

1350

1500

1650

1800

1950

2100

2250

2400

2550

2700

2850

3000

RG

203

/40/

FB20

x314

.6S

2.89

4.51

6.50

8.84

11.5

5D

0.51

1.23

2.56

4.74

8.09

RG

205

/40/

FB20

x522

.5S

1.78

2.78

4.00

5.44

7.11

8.99

D0.

310.

761.

572.

924.

987.

97R

G 2

53/4

0/FB

25x3

17.5

0.88

1.21

S1.

872.

914.

205.

717.

469.

44D

0.26

0.64

1.32

2.45

4.18

6.70

RG

255

3/40

/IB25

x5x3

24.9

0.82

1.30

S1.

231.

932.

773.

774.

936.

247.

70D

0.17

0.42

0.87

1.62

2.76

4.42

6.74

RG

255

/40/

FB25

x527

.40.

881.

20S

1.15

1.80

2.60

3.53

4.62

5.84

7.21

8.73

D0.

160.

390.

821.

522.

594.

146.

319.

24R

G 3

23/4

0/FB

32x3

21.7

0.91

1.16

S1.

151.

802.

603.

534.

615.

847.

218.

7210

.38

D0.

130.

310.

641.

182.

023.

244.

937.

2210

.22

RG

325

3/40

/IB32

x5x3

30.1

0.84

1.25

S0.

781.

211.

742.

373.

103.

924.

845.

866.

988.

19D

0.08

0.21

0.43

0.80

1.36

2.17

3.31

4.85

6.87

9.46

RG

325/

40/F

B32

x534

.20.

911.

15S

0.72

1.12

1.62

2.20

2.88

3.64

4.49

5.44

6.47

7.59

D0.

080.

190.

400.

741.

262.

023.

074.

506.

378.

78R

G 3

853/

40/IB

38x5

x334

.90.

871.

20S

0.56

0.88

1.26

1.72

2.24

2.84

3.51

4.24

5.05

5.92

6.87

7.89

D0.

050.

130.

260.

480.

831.

322.

022.

964.

195.

777.

7610

.22

RG

445

3/40

/IB44

x5x3

39.7

0.89

1.16

S0.

430.

670.

961.

301.

702.

162.

663.

223.

834.

505.

225.

996.

827.

69D

0.03

0.08

0.17

0.32

0.54

0.87

1.32

1.94

2.75

3.78

5.09

6.70

8.68

11.0

6R

G 5

053/

40/IB

50x5

x343

.50.

921.

12S

0.34

0.53

0.77

1.05

1.37

1.73

2.14

2.59

3.08

3.61

4.19

4.81

5.47

6.18

6.93

D0.

020.

060.

120.

220.

380.

610.

941.

371.

942.

673.

594.

746.

137.

829.

82R

G 5

074/

40/IB

50x7

x461

.5S

0.26

0.40

0.58

0.79

1.03

1.31

1.61

1.95

2.32

2.72

3.16

3.63

4.13

4.66

5.22

5.82

6.45

D0.

020.

040.

090.

170.

290.

460.

711.

031.

462.

022.

713.

574.

625.

897.

419.

2011

.29

RG

557

4/40

/IB55

x7x4

66.6

S0.

220.

340.

490.

670.

871.

101.

361.

651.

962.

302.

673.

073.

493.

944.

424.

925.

45D

0.01

0.03

0.07

0.13

0.22

0.36

0.54

0.79

1.12

1.55

2.08

2.75

3.55

4.53

5.69

7.07

8.68

RG

607

4/40

/IB60

x7x4

72.1

S0.

180.

290.

410.

560.

730.

921.

141.

381.

641.

932.

242.

572.

923.

303.

704.

124.

57D

0.01

0.03

0.05

0.10

0.17

0.27

0.42

0.61

0.86

1.19

1.60

2.11

2.73

3.48

4.37

5.42

6.66

RG

657

4/40

/IB65

x7x4

77.4

S0.

160.

250.

360.

490.

640.

800.

991.

201.

431.

681.

952.

232.

542.

873.

223.

583.

97D

0.01

0.02

0.04

0.08

0.14

0.22

0.34

0.50

0.70

0.97

1.30

1.72

2.22

2.84

3.56

4.42

5.43

RG

7574

/40/

IB75

x7x4

88.6

S0.

130.

200.

280.

380.

500.

630.

780.

951.

131.

321.

531.

762.

002.

262.

532.

823.

13D

0.01

0.01

0.03

0.05

0.09

0.15

0.23

0.33

0.47

0.65

0.88

1.15

1.50

1.91

2.39

2.97

3.65

Sam

ple

Cal

cula

tion

Uni

form

Loa

d kg

/m2

200

250

300

400

500

750

Allo

wab

le S

tress

: 18k

g/m

m2 (1

80M

Pa)

Gra

ting

Cod

e: R

G 3

253/

40

Span

: 150

0mm

0.67

0.83

11.

331.

672.

5A

llow

able

Def

lect

ion:

L(S

pan)

/300

mm

Fact

or (i

)D

efle

ctio

n (D

) = 3

.31

x 1.

67 =

5.5

3mm

S =

Stre

ss in

kg/

mm

2St

ress

and

Def

lect

ion

Fact

or

D =

Def

lect

ion

in m

mU

nifo

rm L

oad:

500

kg/m

2 (5

kPa)

→ fa

ctor

(i) o

f 1.6

7

Stre

ss (S

) = 4

.84

x 1.

67 =

8.0

8kg/

mm

2

● If

serr

ated

bar

gra

ting

is se

lect

ed, u

se th

e fa

ctor

s S a

nd D

to c

alcu

late

stre

ss a

nd d

efle

ctio

n.●

For

uni

form

ly d

istri

bute

d lo

ads o

ther

than

300

kg/m

2 (3kP

a) g

ratin

g st

ress

and

def

lect

ion

can

be c

alcu

late

d us

ing

the

fact

or sh

own

in th

e fo

llow

ing

tabl

e.

● T

he sh

aded

are

a of

the

tabl

e in

dica

tes g

ratin

g w

ith d

efle

ctio

n le

ss th

an sp

an/3

00m

m.

LO

AD

AN

D D

EFL

EC

TIO

N T

AB

LE

- SE

RIE

S II

(LO

AD

BA

R P

ITC

H 4

0MM

)

This

tabl

e is

theo

retic

al a

nd is

bas

ed o

n un

iform

ly d

istri

bute

d lo

ad o

f 300

kg/

m2 (3

kPa)

Load

Bar

Si

ze (m

m)

kg/m

2Se

rrat

ed B

ar

Fact

ors

Span

(mm

)

Gra

ting

Cod

e

SD

600

750

900

1050

1200

1350

1500

1650

1800

1950

2100

2250

2400

2550

2700

2850

3000

RG

203

/30/

FB20

x318

.8S

2.19

3.43

4.94

6.72

8.78

D0.

380.

941.

953.

606.

15R

G 2

05/3

0/FB

20x5

29.5

S1.

362.

133.

064.

175.

446.

89D

0.24

0.58

1.21

2.23

3.81

6.11

RG

253

/30/

FB25

x322

.80.

881.

21S

1.42

2.22

3.20

4.36

5.69

7.20

8.89

D0.

200.

491.

011.

873.

195.

117.

78R

G 2

553/

30/IB

25x5

x331

.10.

821.

30S

0.94

1.47

2.12

2.88

3.77

4.77

5.89

7.12

8.48

D0.

130.

320.

671.

242.

113.

385.

157.

5510

.69

RG

255

/30/

FB25

x536

.20.

881.

20S

0.89

1.39

2.00

2.72

3.56

4.50

5.56

6.72

8.00

D0.

120.

300.

631.

171.

993.

194.

867.

1210

.08

RG

323

/30/

FB32

x328

.40.

911.

16S

0.88

1.38

1.99

2.70

3.53

4.47

5.52

6.68

7.95

D0.

100.

240.

490.

911.

552.

483.

785.

537.

83R

G 3

253/

30/IB

32x5

x337

.80.

841.

25S

0.59

0.93

1.34

1.82

2.38

3.01

3.72

4.50

5.35

6.28

7.29

D0.

070.

160.

330.

611.

041.

672.

543.

725.

277.

269.

77R

G32

5/30

/FB

32x5

45.5

0.91

1.15

S0.

560.

871.

251.

712.

232.

823.

484.

225.

025.

896.

83D

0.06

0.15

0.31

0.57

0.98

1.56

2.38

3.49

4.94

6.81

9.15

RG

385

3/30

/IB38

x5x3

43.9

0.87

1.20

S0.

430.

670.

971.

321.

732.

192.

703.

273.

894.

565.

296.

076.

91D

0.04

0.10

0.20

0.37

0.64

1.02

1.55

2.28

3.22

4.44

5.97

7.87

10.1

9R

G 4

453/

30/IB

44x5

x350

.10.

891.

16S

0.33

0.51

0.74

1.01

1.32

1.67

2.06

2.49

2.96

3.48

4.03

4.63

5.27

5.95

6.67

7.43

D0.

030.

060.

130.

250.

420.

671.

021.

502.

122.

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ple

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cula

tion

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form

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250

300

400

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Stre

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mm

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14 15

load cHarts series i 30mm centres load cHarts series i i 40mm centres

16 17

arcHitectUral projects and solUtions

architecturalLeading Edge Industrial offers opportunities for cost effect, but highly innovative site platforms. Unique products such as Leading Edge Industrial Heel Guard give the Architect a system for providing safe non-intrusive, public access to environmentally or heritage sensitive sites. These products come in a range of materials from hot dipped galvanised steel to 316 stainless steel.

KirrabilliHarbourWalkMildSteelWalkWay Winner of Architectural Award (Agna) National Parks Track for Wheel Chair Access and Protection of Flora

Disable Wheel Chair Access Walk

Viewing Platform Sydney Harbour

For fur ther in format ion on the products p lease contact Leading Edge Industr ia l for fu l l spec i f icat ion and f ree des ign serv ice .

18

special prodUcts

leading edge industrial roof accessLeading Edge Industrial Roof Access systems has been designed to meet the needs of the installer for ease of fitting and lightweight design, while reducing the traditional cost and cutting time. Our system is slip resistant, corrosion and maintenance free, with UV inhibitors made from FRP Fibre reinforced plastic which is ideally suited for safe access on rooftops, as well being widely used for platforms, walkways and public access areas.

RGFRP14 x 38 x 38 615mm wide X 3000mm Grit top panels available in Grey or Yellow.

leading edge industrial testing proceduresLeading Edge Industrial R&D

We believe in continuous research & development and re-investing in the company. By demanding products meet the needs of our customers and provide the best cost solutions, through material testing, coatings, material types, and manufacturing processes.

Leading Edge Industrial is tested to meet all the local requirements for AS/NZ 3996 for vehicle traffic and AS/NZ1657 for walkway and platforms. These test are preformed both in house and by independent external laboratories.

Hot dip Galvanising All Leading Edge Industrial products that are Hot Dip Galvanised and tested to AS/NZ 4680.

Leading Edge Industrial Pty Ltd

1 Melbourne Street. Rocklea. QLD 4106PHONE. + 61 7 3255 9885FAX. + 61 3 9360 3400EMAIL. info@leadingedgeind.com.au