U.S. FOUNDRY & MANUFACTURING CORPORATION
CATCH BASINS
CB-44
USF 4615 SLAB TYPE FRAME AND GRATE SERIES
USF 4616 ANGLE TYPE FRAME AND 6221 GRATE
1.
This frame and is also available with solid cover, USF 2115.
GRATE LOAD FLOW
NUMBER RATING AREA
6209
HEAVY DUTY 455
6210
HEAVY DUTY 445
6213
HEAVY DUTY 425
1.
To order one piece of this grate set, specify USF 6222.
GRATE LOAD FLOW
NUMBER RATING AREA
6221
LIGHT DUTY 525
35 7/8
1 5/8
2
4 1/2
34
41
USF 4615-6209
USF 4615-6210
CONCAVE GRATE
USF 4615-6213
27 7/8
7 5/16
26
36
27 7/8
10 15/16
26
33
26
27 3/4
11 11/16
33
35 7/8
1 5/8
2
4 1/2
34
41
34
4 1/2
41
1 5/16
35 3/4
5/8
2
1
19 5/8
16 1/2
37 13/16
41 13/16
19 5/8
NORTH CAROLINA – D.O.T. NO. 840.16
STANDARD
27 1/4
4
25 3/4
29 3/4
2
2