Grating Pacific
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Heavy Duty Grating

Load Table: TYPE W-19-4

Load Table: TYPE W-22-4

Load Table: TYPE W-30-4

Load Table: TYPE W-38-4

Heavy Duty Grating

Bearing Bar Selection

Cross Bar Selection

 

  HOW TO SPECIFY HEAVY DUTY GRATING
     Heavy-Duty Welded Steel Grating shall be as manufactured by Grating Pacific, 3651 Sausalito Street, Los Alamitos, CA 90720, (800) 321-4314.  Grating shall be type          W-22-4            with          3-1/2" X 3/8"     bearing bars spaced at      4         inches on the center.  Weight per square foot        42.3      lbs.   Heavy-Duty Grating shall be capable of carrying a    H-20  load on a    4'-10"   clear span.  Open ends of grating shall be banded.  Heavy-Duty Grating shall be    GALVANIZED  after fabrication.

 

LOAD TABLE: TYPE W-15-4

BEARING BARS 15/16" ON CENTER, CROSS BARS 4" ON CENTER (2" ON CENTER CROSS BARS ALSO AVAILABLE)
GPtraffictruck1.gif (307 bytes) GPtraffictruck2.gif (290 bytes) GPtraffictruck3.gif (208 bytes) GPtraffictruckcar4.gif (221 bytes) GPtraffictrucklift5.gif (238 bytes) GPtraffictrucklift6.gif (229 bytes) GPtraffictrucklift7.gif (213 bytes)
H-20 TRUCK H-15 TRUCK H-10 TRUCK AUTO TRAFFIC 5 TON FORKLIFT 3 TON FORKLIFT 1 TON FORKLIFT
BEARING
BAR SIZE		 WEIGHT LBS.
PER SQ. FT.		 SECTION
MOD.
PER FT. OF WIDTH		 CROSS BAR
SIZE		 H-20 TRUCK H-15 TRUCK H-10 TRUCK AUTO TRAFFIC 5 TON FORKLIFT 3 TON FORKLIFT

1 TON FORKLIFT
MAXIMUM SAFE SPAN

1 x 1/4
1 x 5/16
1 x 3/8
1-1/4 x 1/4
1-1/4 x 5/16
1-1/4 x 3/8
1-1/2 x 1/4
1-1/2 x 5/16
1-1/2 x 3/8
1-3/4 x 1/4
1-3/4 x 5/16
1-3/4 x 3/8
2 x 1/4
2 x 5/16
2 x 3/8
2-1/4 x 1/4
2-1/4 x 5/16
2-1/4 x 3/8
2-1/2 x 1/4
2-1/2 x 5/16
2-1/2 x 3/8
3 x 1/4
3 x 5/16
3 x 3/8
3-1/2 x 1/4
3-1/2 x 5/16
3-1/2 x 3/8
4 x 1/4
4 x 5/16
4 x 3/8

 12.4
15.2
18.1
15.3
18.5
22.3
18.1
22.4
26.6
21.0
25.9
30.9
23.8
29.5
35.1
26.7
33.0
39.4
29.5
36.6
43.7
35.2
43.9
52.3
40.9
51.0
60.8
46.7
58.1
69.4		 0.533
0.667
0.800
0.833
1.042
1.250
1.200
1.500
1.800
1.633
2.042
2.450
2.133
2.667
3.200
2.700
3.375
4.050
3.333
4.167
5.000
4.800
6.000
7.200
6.533
8.167
9.800
8.533
10.667
12.800		 SEE

CROSS

BAR

SELECTION

TABLE

 

 

 1'-1"
1'-2"
1'-3"
1'-3"
1'-5"
1'-6"
1'-6"
1'-8"
1'-10"
1'-9"
2'-0"
2'-3"
2'-0"
2'-4"
2'-8"
2'-4"
2'-9"
3'-2"
2'-9"
3'-3"
3'-9"
3'-7"
4'-4"
4'-7"
4'-7"
5'-1"
5'-4"
5'-4"
5'-9"
6'-2"		 0'-11"
1'-0"
1'-1"
1'-1"
1'-3"
1'-4"
1'-4"
1'-6"
1'-8"
1'-7"
1'-10"
2'-1"
1'-10"
2'-2"
2'-6"
2'-2"
2'-7"
3'-0"
2'-7"
3'-1"
3'-7"
3'-6"
4'-2"
4'-8"
4'-6"
5'-1"
5'-5"
5'-5"
5'-10"
6'-2"		 0'-9"
0'-10"
0'-11"
0'-11"
1'-0"
1'-2"
1'-2"
1'-4"
1'-6"
1'-5"
1'-8"
1'-11"
1'-9"
2'-1"
2'-5"
2'-1"
2'-6"
2'-11"
2'-6"
3'-0"
3'-7"
3'-5"
4'-2"
4'-8"
4'-6"
5'-2"
5'-6"
5'-5"
5'-11"
6'-3"		 1'-7"
1'-10"
1'-11"
2'-2"
2'-5"
2'-8"
2'-10"
3'-2"
3'-6"
3'-7"
4'-0"
4'-3"
4'-3"
4'-7"
4'-11"
4'-10"
5'-2"
5'-6"
5'-4"
5'-9"
6'-2"
6'-5"
6'-11"
7'-4"
7'-6"
8'-1"
8'-7"
8'-7"
9'-3"
9'-8"		 0'-8"
0'-9"
0'-10"
0'-10"
1'-0"
1'-1"
1'-1"
1'-3"
1'-4"
1'-3"
1'-6"
1'-9"
1'-7"
1'-10"
2'-1"
1'-10"
2'-2"
2'-7"
2'-2"
2'-8"
3'-1"
3'-0"
3'-7"
4'-3"
3'-11"
4'-9"
5'-2"
4'-11"
5'-6"
5'-11"		 0'-7"
0'-8"
0'-8"
0'-9"
0'-10"
0'-11"
0'-11"
1'-1"
1'-3"
1'-2"
1'-5"
1'-8"
1'-5"
1'-9"
2'-1"
1'-9"
2'-2"
2'-6"
2'-2"
2'-7"
3'-1"
3'-0"
3'-8"
4'-4"
3'-11"
4'-10"
5'-3"
5'-1"
5'-8"
6'-0"		 0'-8"
0'-9"
0'-11"
0'-11"
1'-1"
1'-4"
1'-3"
1'-7"
1'-10"
1'-8"
2'-1"
2'-6"
2'-2"
2'-8"
3'-2"
2'-8"
3'-4"
4'-0"
3'-4"
4'-1"
4'-5"
4'-8"
5'-0"
5'-4"
5'-5"
5'-10"
6'-3"
6'-3"
6'-9"
7'-2"