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

PROBLEMS NOTEO: 0 (60) NONE 0 (61) ACCESS ROAD NEEDS MAINTENANCE 0 (62) CATILE DAMAGE
o (63) B~~~.~. ~~. UPSTREAM SLOPE. CREST, DOWNSTREAM SLOPE. TOE DIM) TREES ON UPSTREAM SLOPE, CREST, OOW~~!~~~,~. .S~~~~:, !~~

o {65) RODENT ACTIVITY ON UPSTREAM SLOPE, CREST. DOWNSTREAM SLOPE. TOE 0 (66) DETERIORATED CONCRETE-FACING, OUTLET, SPILLWAY
~67) GATE AN~ ~PERA;'NG ~ECHANIS~ N~E~MAIN;ENANCE ~(6') ~T~ER D.f<B!<.Is' d ()~ i.J(J;,TQq"M s~ofE

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(111)GAGE RaD

DAM 1.0.: ZOCJl37

(112) PIEZOMETERS 0 (113) ~.~E~~~~. ~~,I~~,~~~ES

0(114) SURVEY MONUMENTS 0 IllS) OTHER
MONITORING OF INSTRUMENTATION: 011161 NO 0 (117) YES PERIODIC INSPECTIONS BY. 011181 OWNER 0 (119) ENGINEER

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Based 011 this Safely Inspection and recenl..lil~view, the overall condition is delerm:ned to be:
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~ 71 SATISFACTORy.... 1.~v'e::.L.. 072 CONDlT!DNALlY SATISFACTORY

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073 UNSATISFACTORY

ITEMS REQUIRING ACTION BY OWNER
TO IMPROVE THE SAFETY OF THE DAM

. JlTE.UeE. lllOR RePAIR. MOIIITDRI.; _

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0(81) LUBRICATE AND OPERATE OUTLET GATES THROUGH FUll CYCLE
0182) CLEAR TREES AND/OR BRUSH FROM
0(83) INlTlATE RODENT CONTROL PROGRAM AND PROPERLY BACKFILL EXISTING HOLES:
0(84) GRADE CREST TO A UNIFORM ELEVATION WITH DRAINAGE TO THE UPSTREAM SLOPE:
o 1851 PRoVIOE SURFACS DRAINAGE FOR
l2NB61 MONITOR sg,6I'AGe-. IJ-lSlALL ~L..iJMi- .
o 187} DEVELOP AND SU8MIT AN EMERGENCY PREPAREDNESS PLAN
1Zl.1881 OTHER. RK:PA I~ ,Jc;tll-j- G""r~ el.f:'crnlc.AL- SYSI.f.M
~ (891 OTHER ~ t:A.~ D~Rji Ft.~ Ut!'fi(Rf:AflIl s.IAP6,

USUIEERIJC'. EMPLOY AN ENSINEER EXPERIENCED 1M DESIGN AND CONSTRUCTION OF BAIIlS TO: (Plans & Specillcatlon must be approved by Slate Engineer prior to construClion,)
01901 PREPARE PLANS AND SPECIFICATIONS FOR THE REHABILITATION OF THE DAM
0(911 PREPARE AS.BUILT DRAWINGS OF:
0(92) PERFORM A GEOTECHNICAL INVESTIGATION TO EVALUATE THE STABILITY OF THE DAM:
0(93) PERFORM A HYDROLOGIC STUDY TO DETERMINE REQUIRED SPILLWAY SIZE:
01941 PREPARE PLANS AND SPECIFICATIONS FOR AN AoEoUATE SPILLWAY:
0(95) SET UP A MONITORING SYSTEM INCLUDING WORK SHEETS. REDUCED DATA AND GRAPHED RESULTS:
o (96) PERFORM AN INTERNAL INSPECTION OF THE OUTLET
0(97) OTHER
0(98) OTHER
o 199) OTHER

101)
011021
0(1031

SAFE STORAGE LEVel RECOMMENDED AS A RESULT OF THIS INSPECTION

_ FT. "HOW DAMS CREST
{ _Fl BELOW SPILLWAY CREST
_ FT.. GAGE NElGNT
=NO STORAGE-MAINTAIN OUTLET FULLY OPEN

FULL STORAGE
CONDITIONAL FULL STORAGE
RECOMMENDED RESTRICTION

RESTRICTEU lEVEL
OFFICIAL ORDER TO FOLLOW

i\SQN FOR RESTRICTION:

nONS REOUIREO FOR CONDITIONAL FULL STORAGE DR CONTINUED STORAGE AT THE RESTRICTED LEVEL

i1neer's
r'lalure

.22-26019a-66

DATE:

f /2/ ~9
PP201~.2.

Owner's
SlgnalUre