g
N ote: When specifying/ordering grates, refer to “Choosing the Proper Inlet Grate” on pages 117-118. For a complete listing of FREE OPEN AREAS and WEIR PERIMETERS of all NEENAH grates, refer to pages 306-311.
R-3469 Gutter Inlet Frame, Grate Heavy Duty
COMBINATION INLETS
3 2
WEIR
SQ. PERIMETER CATALOG GRATE FT. LINEAL NUMBER TYPE OPEN FEET R-3469 A 2.7 9.2
The drawing shows one method of installing as a combination intake and manhole. The cleanout manhole listed under Neenah R-6040 is not furnished as part of this combination and should be ordered separately. When increased drainage is required, two or more inlets are placed end-to-end in combinations over large basins or trench drains.
R-3469-E2 Gutter Inlet Frame, Grate Heavy Duty
WEIR
SQ. PERIMETER CATALOG GRATE FT. LINEAL NUMBER TYPE OPEN FEET R-3469-E2 C 2.3 9.2 R-3469-E2 A 2.7 9.2
Standard Grate (shown): Type C Also available with grate Type A.
R-3470 Gutter Inlet Frame, Grate Heavy Duty
WEIR
SQ. PERIMETER CATALOG GRATE FT. LINEAL NUMBER TYPE OPEN FEET R-3470 L 2.2 8.4
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