§ 4.2.0. INLET CLASSIFICATIONS

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Inlets are classified into two (2) major groups: 1) inlets in sumps where flow contributes from two (2) or more sides (Type S) and 2) inlets on grade (Type G). The following list references the various inlet types. (See Figures 4-1 through 4-7 in Appendix D of this manual).

Inlets in Sumps

(1) Curb Opening	Type S-1
(2) Grate*	Type S-2
(3) Combination (Grate and Curb Opening)*	Type S-3
(4) Area Without Grate	Type S-4

Inlets on Grade

(1) Curb Opening Type	G-1
(2) Grate*	Type G-2
(3) Combination (Grate and Curb Opening)*	Type G-3

Recessed inlets are identified by the suffix (R), i.e.: S-1(R).

* For the flow capacity through the grate inlets, engineer should check appropriate vendor catalog.

                    
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