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KHANSGRATE SERIES 1
The weight of fabricated grating increases due to addition of fittings, attachments and treatment eg. banding and galvanizing increase the weight by approximately 12%.

 
TYPE
Cross Rod Pitch (mm) 		Mass (Kg/m2) Load Bar Size (mm)   SPAN - Milimetres
150 300 450 600 750 900 1050 1200 1500 1800 2100 2400 2700 3000 3300 3600
KA203/1

KB203/1		 100

50		 18.8

21.7		 20 x 3 U

D		 402

0.20		 100

0.08		 45

1.81		 25

3.22		 16

5.03		 11

7.24		 8

9.85		 6

12.87		 4

20.11		 3

20.11		 2

39.41		          
KA205/1

KB205/1		 100

50		 29.5

32.3		 20 x 5 U

D		 671

0.20		 167

0.80		 74

1.81		 42

3.22		 27

5.03		 18

7.24		 13

8.85		 10

12.87		 6

20.11		 4

28.96		 3

39.41		          
KA253/1

KB253/1		 100

50		 22.8

25.7		 25 x 3 U

D		 629

0.16		 157

0.64		 70

1.45		 39

2.57		 25

4.02		 17

5.80		 13

7.88		 10

10.30		 6

16.09		 4

23.17		 3

31.53		 2

41.18		        
KA254.5/1

KB254.5/1		 100

50		 32.9

35.8		 25 x 4.5 U

D		 953

0.16		 238

0.64		 106

1.45		 59

2.57		 38

4.02		 26

5.79		 19

7.88		 15

10.30		 9

16.09		 6

23.17		 5

31.53		 3

41.18		        
KA255/1

KB255/1		 100

50		 36.2

39.0		 25 x 5 U

D		 1048

0.16		 262

0.64		 115

1.45		 65

2.57		 42

4.02		 29

5.79		 21

7.88		 16

10.30		 10

16.09		 7

23.17		 5

31.53		 4

41.18		        
KA323/1

KB323/1		 100

50		 28.4

31.3		 32 x 3 U

D		 1031

0.13		 257

0.50		 114

1.13		 64

2.01		 41

3.14		 28

4.52		 21

6.16		 16

8.04		 10

12.57		 7

18.10		 5

24.63		 4

32.18		 3

40.72		      
KA324.5/1

KB324.5/1		 100

50		 41.3

44.2		 32 x 4.5 U

D		 1562

0.13		 390

0.50		 173

1.13		 97

2.01		 62

3.14		 43

4.52		 31

6.16		 24

8.04		 15

12.57		 10

18.10		 8

24.63		 6

32.18		 4

40.72		      
KA325/1

KB325/1		 100

50		 45.5

48.4		 32 x 5 U

D		 1718

0.13		 429

0.50		 190

1.13		 107

2.01		 68

3.14		 47

4.52		 35

6.16		 26

8.04		 17

12.57		 11

18.10		 8

24.63		 6

32.18		 5

40.72		      
KA403/1

KB403/1		 100

50		 34.9

37.7		 40 x 3 U

D		 1610

0.10		 402

0.40		 179

0.90		 100

1.61		 64

2.51		 44

3.62		 33

4.93		 25

6.44		 16

10.05		 11

14.48		 8

19.71		 6

25.74		 5

32.58		 4

40.22		    
KA355/1

KB355/1		 100

50		 49.6

52.5		 35 x 5 U

D		 2076

0.11		 519

0.46		 230

1.03		 129

1.84		 83

2.87		 57

4.14		 42

5.63		 32

7.35		 20

11.49		 14

16.55		 10

22.52		 8

29.42		 6

37.23		      
KA384.5/1

KB384.5/1		 100

50		 48.5

51.4		 38 x 4.5 U

D		 2202

0.11		 550

0.42		 244

0.95		 137

1.69		 88

2.65		 61

3.81		 44

5.19		 34

6.77		 22

10.58		 15

15.24		 11

20.74		 8

27.09		 6

34.29		      
KA385/1

KB385/1		 100

50		 53.6

56.5		 38 x 5 U

D		 2447

0.11		 611

0.42		 271

0.95		 152

1.69		 97

2.65		 67

3.81		 49

5.19		 38

6.77		 24

10.58		 16

15.24		 12

20.74		 9

27.09		 7

34.29		 6

42.34		    
KA405/1

KB405/1		 100

50		 56.2

59.0		 40 x 5 U

D		 2684

0.10		 671

0.40		 298

0.90		 167

1.61		 107

2.51		 74

3.62		 54

4.93		 41

6.44		 26

10.05		 18

14.48		 13

19.71		 10

25.74		 8

32.58		 6

40.22		    
KA455/1

KB455/1		 100

50		 62.9

65.7		 45 x 5 U

D		 3397

0.09		 849

0.34		 377

0.80		 212

1.43		 135

2.23		 94

3.22		 69

4.38		 52

5.72		 33

8.94		 23

12.87		 17

17.52		 13

22.88		 10

28.96		 8

35.75		 6

43.26		  
KA505/1

KB505/1		 100

50		 69.6

72.4		 50 x 5 U

D		 4194

0.08		 1048

0.32		 465

0.72		 261

1.29		 167

2.01		 116

2.90		 85

3.94		 65

5.15		 41

8.04		 28

11.58		 21

15.77		 16

20.59		 12

26.06		 10

32.18		 8

38.93		 7

46.33
KA655/1

KB655/1		 100

50		 89.6

92.4		 65 x 5 U

D		 7088

0.06		 1771

0.25		 787

0.56		 442

0.99		 283

1.55		 196

2.23		 144

3.03		 110

3.96		 70

6.19		 48

8.91		 35

12.13		 27

15.84		 21

20.05		 17

24.75		 14

29.95		 11

35.64
                                         
 

Note: Spans to the left of the red figures have a deflection of less than 5 mm for a 4 kPa uniformly distributed load, which is a limiting deflection for pedestrian comfort.

NOMINAL O/A DIMENSION OF BARS (in mm)

No. of Bars 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
5mm Load Bars 95 125 155 185 215 245 275 305 335 365 395 425 455 485 515 545 575 605 635 665
No. of Bars 24 25 26 27 28 29 30 31 32 33 34S
5mm Load Bars 695 725 755 785 815 845 875 905 935 965 995                  

Note:
  • For 3mm load bars substract 2mm from widths.
  • Width dimensions can vary due to manufacturing process.
Standard width

SERRATED CONVERSION FACTORS
Load Bar 20x3 20x5 25x3 25x4.5 25x5 32x3 32x4.5 32x5 35x4.5 35x5 38x5 40x3 40x5 45x5 50x5 65x5
Load Not recommended 0.79 0.79 0.79 0.83 0.83 0.83 0.85 0.85 0.86 0.87 0.87 0.88 0.89 0.92
Deflection 1.12 1.12 1.12 1.09 1.09 1.09 1.08 1.08 1.07 1.07 1.07 1.07 1.06 1.04

LOAD TABLE DATA
  • U = Safe superimposed uniformly distributed load in kilopascals.
  • D = Deflection in millimeters.
  • Mass calculated with grating in an untreated condition.
  • Loads calculated in accordance with an allowable bending stress 171.6 MPa (0.66 Fy).
  • Loads bars are assumed simply supportec and unserrated steel with Fy = 260 MPa.


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