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NOTES:
1) 48"
SIMILAR
2) 60"
TO
3) STANDARD
C 'N CRE
MINIMUM DISTANCE
T
E ST'RMWA
FLOWLINE TO
?ER
TOP OF STONE
ST]LC
OR
GRATE
L DES
PIPE I.D.
NOMINAL
INCHES
AREA INLET
CIRCULAR
42"
(2) GRATE INLET
SQUARE
(MAX.)
SINGLE STREET INLET
CIRCULAR BASE DIA.
42" 48" 60"
BASE DIA.
48" 60"
CIRCULAR BASE DIA. RECTANGLE
42" 48" 60" (MAX.)
12"
45"
38"
31"
48"
41"
15"
48"
41"
34"
51"
44"
18"
52"
44"
37"
55"
48"
21"
55"
47"
40"
58"
51"
24"
58"
51"
44"
61"
54"
27"
78"
71"
NA
81"
NA
30"
82"
74"
NA
85"
NA
33"
85"
77"
NA
88"
NA
(SEE SHEET 34 FOR DETAIL) (SEE SHEET 35 FOR DETAIL) (SEE SHEET 36 FOR DETAIL)
DIAMETER BASE REQUIRES 7" HIGH TRANSITION SECTION TO 42" DIAMETER,
TO "ADAPTER RING" SHEET 34.
DIAMETER BASE REQUIRES 24" HIGH ECCENTRIC REDUCER TRANSITION
42" DIAMETER, SIMILAR TO "ADAPTER RING" SHEET 34.
DEPTH = 3'+ PIPE DIAMETER.
PRECAST CONCRETE
STORMWATER STRUCTURES
METROPOLITAN ST. LOUIS SEWER DISTRICT
Standard Details of Sewer Construction
Dr. J.L.G.
Ch. J.C.K.
2009
SHEET 33