<br />TABLE 5 (cont'd)
<br />
<br />FtOOD C3ARACTERJSTICS OF PURGATOIRE SOUTH BANK TRIBUTARIES
<br />
<br />A\!ERAGED J.'.AXlMUM CONDITIONS
<br />
<br />Characteristics
<br />
<br /> *Yagnitude Height ~,. Duration ",....in
<br /> " peak " " " Channel ave.-bank
<br /> Ccc\lr..""ee Dis"h".-ge Rise Rise Floodinq Velocity Velocity
<br /> c.f.s. feet feet per hou.-s feet ~, feet ,.,
<br /> T.-ibuta.-y Roach above bank hou.- second s"cond
<br /> Raton Uppa.- "" 0< Study SPF 44,550 U U ,-, 18.0 U
<br /> Creek Area " 1I"" '" ,~ 19,750 U U ,"' 15.4 U
<br /> ''^' 'B " ~, 47,000 11.0 ,., U 18.2 U
<br /> Mouth ,~ 20,750 '-' U '-' 15.1 ,.,
<br />- Moores lJpp',,- '0' 0< Study SPF 8,870 U .., '-' 15.9 ;.0
<br />-
<br /> Canyon A.-e.' " 1-25 m 4,670 U ,., U 12.9 U
<br /> 1-25 '0 '" 10,000 13.9 20.0 U 14.5 '.0
<br /> Mo,,.o'> m- 5,2$0 U 19.9 '"0 13.0 _1.6
<br /> .'portland " Mouth SPF 2,660 10.9 21.$ LO 21.0 U
<br /> Avenue" Canyon 'W 1,330 20.0
<br /> Hospital Upp8r Ene d Study SFP 1,930 ,., U U ,-, U
<br /> Canyon Are,~ W River ~lile I'lj,' '" U U U ,., U
<br /> '"0 h
<br /> ris~.ers First Street ., SFF 1,600 U ,., U 17.2 U
<br /> Pect)( Arroyo MoU',h m- '" 13.6
<br />
<br />'SPF - Standard pr~ject Pload
<br />
<br />'m
<br />
<br />Int..rmediate Reqional Flood
<br />
<br />*'~o appreciable flooding helow .-iver mile 1.0 with exception of
<br />higt wctt~r over Main Street during SPF.
<br />
<br />TABLE ~(eont'd)
<br />
<br />FLOOD CHARACTERISTICS OF Pl!RATOlRE NORTH BANK TRlBllTARIES
<br />
<br />AVERAGED ~IMUM CONDITIONS
<br />
<br />Characte.-istics
<br />
<br /> *Ma1nitude Height ~'" Duration Main
<br /> 0< peak "' " " Channel Ove!Cbank
<br /> Oc~urrence Discharge Rise tl.. F10adinq ~ocity Velocity
<br /> c.f.s. feet feet ,., hours feet ~, feet ,.,
<br /> Tributary R..ach above MO' 000, second second
<br /> -
<br /> Colo.-ado Upper '"' " St\Ody '" 14,900 ,., 12.6 '.0 10.2 U
<br /> Canyon "rea " o.y u ,~ 8,210 .., 12.0 U ,., '-'
<br /> o,^, " " '" AA spp 15,920 '_0 U 0.0 U S.C'
<br /> (AT & ~;F ) Bridge 'W ~, 750 '.0 ,-, '.0 U ,.,
<br /> prospect Upper '"' " St>:dy SPF 4,300 U ,., LO 11.8 '"'
<br /> C"nyon Area <0 )!""Y U m 2,140 U ,., 0.' U LO
<br /> O"y " " AA SPF 6,700 '"' '.0 U 17.0 '-'
<br /> (AT & ~; F) Bridge ,W "3,560 13.9
<br />- po",..1] Upper ,,' 0' Study .~PF 19,200 '.0 .., '.0 12.0 U
<br />0
<br /> Arroyo A.-a" <0 1-2S ,W 10,250 "'1.0 '.0 "'1.0
<br /> 1-25 <0 '" 19,200 U U U 13.6 2.5
<br /> ''^' 239 'AA 10,250 11.6
<br /> I!"'y ~39 <0 :>PF 19,200 U .., ,-; 18.7 1.0
<br /> Mouth ,W 10,250 14.8
<br /> Pinon Upper Co' "' Study :>1"1" 2,200 U ,., '"' 13.9 U
<br /> Canyon m. <0 Kansas Ave. 'AA 1,100 10.7
<br /> Kans,"" Ave. " SPF 2,500 ,., U LO 16.5 U
<br /> Mouth 'w 1,300 '"' .., ,., 13.6 2.5
<br /> 'SPF Stand.ur! project n~ "w - Intermediate Regional Flood
<br /> "Flow O\'erwwing O,^, U ~ will ent..r street syste'll *"Sheet Flow
<br />
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