FLOOD02698

• County: Statewide
• Basin: Statewide
• Title: Hydrologic Engineering Methods for Water Resources Development Volume 7
• Date: 2/1/1976
• Prepared For: US
• Prepared By: US Army Corps of Engineers
• Floodplain - Doc Type: Educational/Technical/Reference Information

TABLE 6.01

Computations for Sp,:Uway Gatt Rt(fUlation. S~hedule

Spillway gates; 40 x 26 It
Spillway crest elev: 835
T~.67

Equatioo: SA=2T.[QI-Q,O+log.. QI/Q2)), where at a given instant QI= Inflow
(c.f.s.), Q:= Outflow (c.C.s.), SA= Available storage (acre-ft.)= Limiting Sur-
charge storage (8.)- A(':tual s.torage (S/), and T.= Adopted inflow recession
constant (days)

Col.'

Ool.2

Col. 3 Col. ..

Col. 5. 001.6 CoL7 Col. 8
K- S.- S,-
em. I-col.. 2T.xeo1. :>> S.-eo!. 6 Pool
(l.oooc.t.s.) (l,OOOacre-U.) (1,000 acre-fl.) e1evatton
8.=660.5
0 0.0 660.5 859.5
10 13.4 647.1 858.8
20 26. 8 633.7 858. 1
30 40.2 620. 3 857.3
40 53. 6 606.9 856. 6
8.=675.9
0.0 0.0 675.9 860. 3
3.1 4.2 671. 7 8.60. 1
9.0 12.1 663. 8 859.7
16.1 21.6 654. 3 859.2
23.9 32.0 643. 9 858.. 6
8.=687.8
0.0 o. 0 687. 8. 8.60.9
1.9 2.5 685. 3 860. 8.
6. 1 8.2 679. 6 860. 5
11. 7 15.7 672. 1 860.1
18.0 24.1 663. 7 859.7
24. 9 33.4 654. 4 8.59. 2
8.=.700.3
O. 0 0.0 700. 3 861. 5
1.4 1.9 698. 4 8.61. 4
4.7 6.3 694. 0 861. 2
9.2 12.3 688. 0 860.9
14. 6 19.6 680. 7 8.60.5
20.6 27.6 672.7 860.1
27. 0 36.2 664. 1 859.7
8.=715.4
0.0 0.0 715.4 862. 2
1.1 1.5 715.9 862.1
3. 8 5. 1 710.3 8.62.0
7. 6 10.2 705. 2 861. 7
12.3 16.5 698.9 861. 4
23.3 31. 2 684. 2 860. 7
36.1 48.4 667.0 859.8
49.9 66.9 648. 5 858. 9

(b (1,000 d.s.)

QJq,

l+log.QUQt ~Xcol. 3
0,000 c.ts.)

Q,=O

lOu....u.u.__uu. uuu__. u..uu.. u.. u__.
20.u...uu____uu..__.u____ u..uu._ uu u.u .u..
30__u__..u__.u.__.__u __.__ u______u .u. _____. __u
40____________u...__u____.u. .__. __u. __u.__n. ____u
Q,=IO
1.00
2.00
3.00
4.00
5.00
Q,=20
1. 00
1. 50
2. 00
2. 50
3. 00
3. 50
Q,=30
1.00
1. 33
1. 67
2. 00
2.33
2.67
3. 00
Q,=40
1.00
1. 25
1. 50
1.75
2.00
2.50
3.00
3. 50

0.0

10............ ............. ..
20__.......... ...... ...... ..
30... ..........................
40............... .............
50................ ...""...'"

1. 000
1. 693
2.099
2.386
2.609

10.0
16.9
21. 0
23. 9
26. 1

i~::::__.:::::::::: ::::::::::::::

40............................ .
50.... .....u'h....u.....-..
60.. .........................
70............. ...............

1. 000
1. 405
1. 693
1. 916
2. 099
2.253

20. 0
28.. 1
33.9
38.3
42.0
45.1

30__... ....... . ..."" ..'"
40.. ......... ......... ..."
50....-.......... .............
60...... u.....................
70.............................
80........ ",,,,,,,,"''''''''
90....... ................... .

1.000
1. 28.5
1. 513
1. 693
1. 846
1. 982
2.099

30. 0
38. 6
45. 4
50.8
55.4
59.5
63. 0

1.000
1. 223
1. 405
1.560
1. 693
1. 916
2.099
2.253

40.0
48. 9
56.2
62.4
67.7
76.5
84.0
90.1

40________ __________ ________
50................... ......u.
6O......u.... ................
70.. ... .....- .. ...........
80..... """"",,'"''''''''
100.... .......................
120..................-....... ..
140............................

I
I.

6-07