1987-12-01_PERMIT FILE - C1981017 ‎(166)‎

• Permit No: C1981017
• IBM Index Class Name: PERMIT FILE
• Doc Date: 12/1/1987
• Doc Name: Preparation Plant Area Surfe Drainage Plan
• Section_Exhibit Name: Chapter II
• Media Type: D
• Archive: No

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t{.
S '
r r r
4. HYDRAULICSJ /IYDRAMCS OF CULYF_RTS l61
:jk *or the full 100-year I
ate. oo high.a larger sizeapermissible headwater. ik .
10,000
�1_4 control enter Fig. 4.22, •r Isa T 6,000 LOSS COEMCIENT Ke III
FOR VARIOUS ENTRANCE (2) ` I
t—'h in outlet controL If the } 13e 6,000 TYPES d•
culvert is assumed to be ,.t s,00p (3) + }
a.
044 4,000 D SCALETnE CCIERICIEM 3' `
13t 3,000
he flow Charts. For Other R IU w«eu.r.p".«I;d U
calculated by the formula ► 'to :,000 �""`'""""'dam a. s•
' -IOa s Q) AMerdd ti owlww w drw 0.7 4•
4 0! Iti.i.ew t...pI 0.f 3•
s.
................ (14) r ea I,000
4 '
A a00 3
To w.rsld f11«121 rdiat
bm. 0,,°said 11:,dwr 9
p soo rr ard�fpr adl Ad hm IAra"h t•
soo 0sod orb..�+.•+ I
400 Wrrrwd. t• L
172 Soo
too w I.s I.a
the result for the Man- -• 'f f
o Ioo I
tp
`,_ o ao �
-trance condition desired.
156. V a0 n 42
I_0
er exceeds the allowable, - 1 0 b .exceedst7tAMfLE
ptable headwater depth. as 30 Dim.W%—a kL-4 h• Ii
0-70 ch .s
dead for corrugated steel e f
■a'010. A smaller size — 33 to so.l.--'6r — rnv
30
:i—.ay be economical to _ � t7 C Cc5 10 I� i� 'Dh a t
difference results. Check E \D' t a T.T ax
CD 4
'or Structural Plate Pipe u° tI 4 s s I
•ts reported in Table 4-11 3 s
together with the Corre-
not a part of the Fed- 1e t
blished in 1963. i
i.
Is
I.o (•1
HEADWATER DEPTH FOR 1
1: CORRUGATED STEEL PIPE CULVERTS`
INLET CONTROL
ar flood discharge. ob. WITH I
� 1!t
lnce which do not wear-
barges for less critical
t This is a matter of f
it Chapter.But,whatever
- the rationale presented
d by requiring no static Fig. 4_19.Inlet control nomo raoh for corrugated steel fps culverts. The manufao-
-�than es d15- Tyres recommend keeping 14WID a maximum of L5 and Preferably to no more
than recommend
i
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