FLOOD04300

• County: Hinsdale
• Community: Hinsdale County
• Stream Name: Henson Creek
• Basin: Gunnison
• Title: Hinsdale County Community File
• Date: 1/1/2001
• Prepared For: CWCB
• Prepared By: CWCB
• Floodplain - Doc Type: Community File

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DAM 1.0.:

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.v EXISTING INSTRUMENTATION FOUND 0 (110) NONE

(113) SEEPAGE 1'IE.IIlSIFLUM~

11111 GAGE ROO

112) PIEZOMETERS

PROBLEMS NOTED: 0 (60) NONE 0 (61) ACCESS ROAD NEEDS MAINTENANCE 0 (62) CATTLE DAMAGE
o (63) BRUS,H ON UPSTREAM. Sl~.~E: .~~E~lT. O~W.NSTRE.~~ .S.l~PE,. T~E 0 (64) TREES ON U~.~R~~~ .~.~~~~. P~.~~!~. ~.~~~~T~~~.~. .~~~~~.' .T~E
o (65) R.O~.~~~ .~C.~IXI.~. ON. ~P~T~EA.~. ~_~~~E: ~~ES.T.. ~.~~~~T.RE.AM SLOPE,. r.oE ~66) DETERIORATED CONCRETE-.~~.~I_~~,. 9UTlET SPtl.I.W.A~.
o (671 GATE ANO PERATING MECHANISM NEED MAINTENANCE 0 (6B) OTHER
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REMARKS:

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Based on this Safety Inspection and ree n file VI

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72 CONDITIONALLY SATISFACTORY
ITEMS REQUIRING ACTION BY OWNER
TO IMPROVE THE SAFETY OF THE DAM

o 73 UNSATISFACTORY

MAIWTUAJlCE . MIUI REPAIR. MOJllTORING
o IBO) PROVIOE AODITIONAL RIPRAP,
o (B1) LUBRICATE ANO OPERATE OUTLET GATES THROUGH FULL CYCLE
o (B2) CLEAR TREES AND/OR BRUSH FROM
0(63) INITIATE RODENT CONTROL PROGRAM AND PROPERLY BACKFilL EXISTING HOLES:
0(84) GRADE CREST TO A UNIFORM ELEVATION WITH DRAINAGE TO THE UPSTREAM SLOPE:
o IB51 PROVIDE SURFACE ORAINAGE FOR
;s.861 MONITOR <Jf.'6(rv:.f3- ilu~'Nb Pr&<zl(!)DS 6~ H /6H R6sf.R..Vof(< STi>R.-P6.,z.
o (B7) DEVELOP ANO SUBMIT AN EMERGENCY PREPAREDNESS PUlN .
~B) OTHER !:t'J_l.li11'J~ ~,tI A8u1l.ti4Jr> F4e-. fosS,e,L€. LA-NDSLiDIZS ,
}4.(B9) OTHER ~f'Ad<_ ~I-!..6:l Ca~ I""' ()I)1..c..T Jt ~LLIoV4:{

EJlGIJlEERIIUi. EMPLOY AM EJlGIMEER EXPERIENCED IN DESIGN AJlD COJlSTRUCTlON OF DAII11t: (Plans & Specification must be approved by State Engineer prior to construction.)
0(901 PREPARE PUlNS AND SPECIFICATIONS FOR THE REHABILITATION OF THE OAM:
0(91) PREPARE AS.BUILT DRAWINGS OF,
0(921 PERFORM A GEOTECHNICAL INVESTIGATION TO EVALUATE THE STABllIlY OF THE DAM,
0193) PERFORM A HYOROLOGIC STUOY TO OETERMINE REOUiREO SPILLWAY SIZE'
01941 PREPARE PUlNS ANO SPECIFICATIONS FOR AN ADEOUATE SPILLWAY:
0(951 SET UP A MONITORING SYSTEM INClUOING WORK SHEETS, REOUCED DATA AND GRAPHEO RESULTS:
o (961 PERFORM AN INTERNAL INSPECTION OF THE OUTLET
0(97) OTHER:
o (9BI OTHER
o 199) OTHER

SAFE STORAGE LEVEL RECOMMENDED AS A RESULT OF THIS INSPECTION

_ FT. tJElOW OAMS CREST
{ _FI BELOW SPILLWAY CREST
_ FI GAGE HEIGHT
= NO STORAGE-MAINIAIN OUTLET FULLY OPEN

_ ~101) FULL STORAGE
~2) CDNOITIONAL FULL STORAGE
0(1031 RECOMMENOEO RESTRICTION

RESTRICTE.O LEVEL
OFFICIAL ORDER TO FOLLOW

AS ON FOR RESTRICTION,

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I"IONS REOUIRED FOR CONDITIONAL FUll STORAGE

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