7/30/2019 CATALAUGE(1)

1/10

Oasis Metal Manufacturing L.L.C is a member of Al shirawi Group of Companies,engaged

in manufacture of Electro forged gratings

Product Range

Electroforged Gratings,Stairtreads,Walkways,Fixing Clips etc.

Standard

OMM Gratings are manufactured strictly in accordance with British Standard BS 4592-1

Raw material as per BS EN 10025, Grade S275 JR.

Finish

1. Self colour

2. Painted

3. Galvanized (As per BS 729)

BINDING BAR

WIDTH

SPAN

CROSS BAR

LOAD BEARING BAR

Categories For Loading

1. Light Duty - 3.0 KN/mm2 (UDL) - Acces limited to one person

7/30/2019 CATALAUGE(1)

2/10

a) Standard Panels (Plain or Serrated)

BINDING BAR

WIDTH

SPAN

CROSS BAR

LOAD BEARING BAR

R

b)Custom Made (Layout)Gratings

R

r

c) Custom made Gratings with Kick Plate (Toe Plate)

KICK PLATE

7/30/2019 CATALAUGE(1)

3/10

d) Stair Treads

ANTI SKID NOSING

END PLATE

Stair Treads are manufactured usually with end plates attached for fixing the tread between stair-

stringers. For safety reasons stair treads are provided with chequered plate nosing are with

"Lion grip "plate.

Grating Applications

Floors, Walk-ways, Trenches, Sumps, Scaffolding, Fencing, Decorative Roofs

Caters to

OMM caters gratings to Refinery, Oil fields, Mining Industries, Cement Industries,Textile Industries, Airports, Railways, Power plants, Construction Industries etc.

7/30/2019 CATALAUGE(1)

4/10

LOAD CHART FOR 41 MM CENTERS

300 450 600 750 900 1050 1200 1350 1500 1650 1800 1950 2100

UDL-KN/m2 70.4 31.29 17.6 9.04 5.23

D - mm 0.720 1.62 2.87 3.6 4.32

UDL-KN/m2 117.33 52.15 29.33 15.06 8.72 5.49

D - mm 0.72 1.62 2.87 3.6 4.32 5.04

UDL-KN/m2 110 48.89 27.5 17.6 10.21 6.43

D - mm 0.57 1.29 2.3 3.59 4.32 5.04

UDL-KN/m2 183.33 81.48 45.83 29.33 17.02 10.72 7.18 5.04D - mm 0.57 1.29 2.3 3.59 4.32 5.04 5.76 6.47

UDL-KN/m2 158.4 70.4 39.6 25.34 17.6 11.12 7.45 5.23

D - mm 0.48 1.08 1.91 2.99 4.31 5.04 5.76 6.48

UDL-KN/m2 264 117.33 66 42.24 29.33 18.53 12.41 8.72 6.35

D - mm 0.48 1.08 1.91 2.99 4.31 5.04 5.76 6.48 7.2

UDL-KN/m2 215.6 95.82 53.9 34.5 23.96 17.6 11.82 8.31 6.05

D - mm 0.41 0.92 1.64 2.56 3.69 5.03 5.76 6.48 7.2

UDL-KN/m2 359.33 159.7 89.83 57.49 39.93 29.33 19.71 13.84 10.09 7.58 5.84

D - mm 0.41 0.92 1.64 2.56 3.69 5.03 5.76 6.48 7.2 7.92 8.64

UDL-KN/m2 281.6 125.16 70.4 45.06 31.29 22.99 17.6 12.4 9.04 6.79 5.23

D - mm 0.36 0.81 1.44 2.24 3.23 4.4 5.74 6.48 7.2 7.92 8.64

UDL-KN/m2 469.33 208.59 117.33 75.09 52.15 38.31 29.33 20.66 15.06 11.32 8.72 6.86 5.23

D - mm 0.36 0.81 1.44 2.24 3.23 4.4 5.74 6.48 7.2 7.92 8.64 9.37 9.6

UDL-KN/m2 733.33 325.93 183.33 117.3 81.48 59.86 45.83 36.21 29.33 22.1 17.02 13.39 10.2

D - mm 0.29 0.65 1.15 1.79 2.58 3.52 4.59 5.81 7.18 7.92 8.64 9.36 9.59

*** Above chart is made considering working stress of 165 N/mm2 which allows for a safety factor of 1.6.

Bearing

Bar Size

(mm)

SPAN IN MM

Max Clear

Span forPedestrain

Loading(mm

20 x 3- .

930 - 4.65

810 - 4.05

20 x 5- .

1100 - 5.50

964 - 4.82

25 x 3- .

1160 - 5.80

1016 - 5.08

25 x 5

- .

1375 - 6.881201 - 6.01

30 x 3- .

1392 - 6.96

1216 - 6.08

30 x 5- .

1650 - 8.25

1442 - 7.21

35 x 3- .

1624 - 8.12

1419 - 7.09

35 x 5- .

1925 - 9.63

1682 - 8.41

50 x 5- .

2540 - 10.00

2295 - 10.00

40 x 3- .

1856 - 9.28

1621 - 8.11

40 x 5- .

2148 - 10.00

1922 - 9.61

7/30/2019 CATALAUGE(1)

5/10

7/30/2019 CATALAUGE(1)

6/10

LOAD CHART FOR 30 MM CENTERS

300 450 600 750 900 1050 1200 1350 1500 1650 1800

UDL-KN/m2 96.8 43.02 24.2 12.43 7.19

D - mm 0.730 1.63 2.9 3.64 4.37

UDL-KN/m2 161.33 71.7 40.33 20.71 11.99 7.55 5.06

D - mm 0.73 1.63 2.9 3.64 4.37 5.1 5.83

UDL-KN/m2 151.25 67.22 37.81 24.2 14.05 8.84 5.93

D - mm 0.58 1.31 2.32 3.63 4.37 5.09 5.83UDL-KN/m2 252.08 112.04 63.02 40.33 23.41 14.74 9.88 6.94 5.06

D - mm 0.58 1.31 2.32 3.63 4.37 5.1 5.83 6.56 7.29

UDL-KN/m2 217.8 96.8 54.45 34.85 24.2 15.28 10.24 7.19 5.24

D - mm 0.48 1.09 1.94 3.02 4.36 5.09 5.82 6.55 7.28

UDL-KN/m2 363 161.33 90.75 58.08 40.33 25.47 17.06 11.99 8.74 6.56

D - mm 0.48 1.09 1.94 3.62 4.35 5.1 5.82 6.55 7.28 8.00

UDL-KN/m2 296.45 131.76 74.11 47.43 32.94 24.2 16.26 11.42 8.32 6.25

D - mm 0.41 0.93 1.66 2.59 3.73 5.08 5.82 6.55 7.28 8.00UDL-KN/m2 494.08 219.59 123.52 79.05 54.9 40.33 27.1 19.03 13.87 10.42 8.03

D - mm 0.41 0.93 1.66 2.59 3.73 5.08 5.82 6.55 7.28 8.00 8.74

UDL-KN/m2 387.2 172.09 96.8 61.55 43.02 31.61 24.2 17.05 12.43 9.34 7.19

D - mm 0.36 0.82 1.45 2.27 3.27 4.45 5.81 6.55 7.28 8.01 8.73

UDL-KN/m2 654.33 286.82 161.33 103.3 71.7 52.68 40.33 28.41 20.71 15.56 11.99

D - mm 0.36 0.82 1.45 2.27 3.27 4.45 5.81 6.55 7.28 8.01 8.74

UDL-KN/m2 1008.3 448.15 252.08 161.3 112 82.31 63.02 49.79 40.33 30.39 23.41

D - mm 0.29 0.65 1.16 1.81 2.61 3.56 4.65 5.88 7.26 8.01 8.74

*** Above chart is made considering working stress of 165 N/mm2 which allows for a safety factor of 1.6.

50 x 5

40 x 3

40 x 5

35 x 3

35 x 5

30 x 3

30 x 5

25 x 5

20 x 3

20 x 5

BearingBar Size

(mm)

SPAN IN MM

25 x 3

7/30/2019 CATALAUGE(1)

7/10

1950 2100

6.32

9.47

5.66

9.47

9.43 7.199.47 9.71

18.41 14.04

9 46 9 71

- .

2739 - 10.00

2475 10 00

- .

2039 - 10.00

1793 - 8.97

- .2317 - 10.00

2094 - 10.00

- .

1796 - 8.98

1569 - 7.85- .

2096 - 10.00

1860 - 9.33

- .

1540 - 7.70

1345 - 6.72- .

1825 - 9.151595 - 8.00

- .

1521 - 7.63

1329 - 6.66

- .

1026 - 5.13

897 - 4.48- .

1217 - 6.10

1063 - 5.33

Max Clear

Span for

Pedestrain

Loading(mm)

- .

1283 - 6.41

1121 - 5.60

7/30/2019 CATALAUGE(1)

8/10

7/30/2019 CATALAUGE(1)

9/10

LOAD CHART FOR 33 MM CENTERS

300 450 600 750 900 1050 1200 1350 1500 1650 1800 1950 2100

UDL-KN/m2 95.16 42.29 22.82 11.68 6.76

D - mm 0.78 1.76 3 3.75 4.5

UDL-KN/m2 158 70.49 38.03 19.47 11.27 7.1 4.75

D - mm 0.78 1.76 3 3.75 4.5 5.26 6

UDL-KN/m2 148 66.08 37.17 22.82 13.2 8.32 5.57

D - mm 0.62 1.41 2.5 3.75 4.5 5.26 6

UDL-KN/m2 247 110 61.95 38.03 22.01 13.86 9.28 6.52 4.75D - mm 0.62 1.41 2.5 3.75 4.5 5.25 6 6.75 7.5

UDL-KN/m2 214 95.16 53.53 34.26 22.82 14.37 9.63 6.76 4.93

D - mm 0.52 1.17 2.09 3.26 4.5 5.25 6.01 6.75 7.51

UDL-KN/m2 356 158 89.21 57.1 38.03 23.95 16.04 11.27 8.21 6.17

D - mm 0.52 1.17 2.09 3.26 4.5 5.25 6 6.76 7.5 8.25

UDL-KN/m2 291 129 72.86 46.63 32.88 22.82 15.29 10.74 7.83 5.88

D - mm 0.45 1 1.79 2.8 4.09 5.25 6.01 6.76 7.51 8.26

UDL-KN/m2 485 215 121 77.71 53.97 38.03 25.48 17.89 13.04 9.8 7.55 5.94

D - mm 0.45 1 1.78 2.79 4.03 5.25 6.01 6.75 7.5 8.26 9.01 9.76

UDL-KN/m2 380 169 95.16 60.9 42.29 31.07 22.82 16.02 11.68 8.78 6.76 5.32

D - mm 0.39 0.88 1.57 2.45 3.52 4.79 6.01 6.75 7.5 8.26 9.01 9.76

UDL-KN/m2 634 281 158 101 70.44 51.79 38.03 26.71 19.47 14.63 11.27 8.86 6.76

D - mm 0.39 0.88 1.56 2.43 3.52 4.79 6.01 6.76 7.51 8.26 9.01 9.76 10

UDL-KN/m2 991 440 247 158 110 80.92 61.95 48.95 38.03 28.57 22.01 17.31 13.2

D - mm 0.31 0.7 1.25 1.95 2.81 3.83 5.01 6.34 7.51 8.26 9.01 9.76 10

*** Above chart is made considering working stress of 165 N/mm2 which allows for a safety factor of 1.6.

Bearing

Bar Size

(mm)

SPAN IN MM

Max Clear

Span forPedestrain

Loading(mm)

20 x 3- .

995 - 4.98

869 - 4.35

20 x 5- .

1179 - 5.90

1030 - 5.15

25 x 3- .

1244 - 6.22

1086 - 5.43

25 x 5

- .

1474 - 7.371288 - 6.44

30 x 3- .

1492 - 7.46

1304 - 6.52

30 x 5- .

1769 - 8.85

1546 - 7.73

35 x 3- .

1741 - 8.71

1521 - 7.61

35 x 5- .

2048 - 10.00

1803 - 9.02

50 x 5- .

2676 - 10.00

2418 - 10.00

40 x 3- .

1990 - 9.95

1738 - 8.69

40 x 5- .

2264 - 10.00

2046 - 10.00

7/30/2019 CATALAUGE(1)

10/10