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ENGINEERS INSPECTION REPORT INSPECTOR: GOJ <br /> OFFICE OF THE STATE ENGINEER-DIVISION OF WATER RESOURCES-DAM SAFETY BRANCH 1313 SHERMAN STREET,ROOM 818,DENVER,CO 80203,(303)866-3581 <br /> DAM NAME: BULL CREEK#5 T: 110S R: 0950W S: 20 COUNTY: MESA DATE OF INSPECTION: 7/26/2006 <br /> DAM ID: 720116 YRCompl: 1901 DAM HEIGHT(FT): 26.0 SPILLWAY WIDTH(FT): 25.0 PREVIOUS INSPECTION: 8/30/2004 <br /> CLASS: 2 DAM LENGTH(FT): 1000.0 SPILLWAY CAPACITY(CFS): 714.0 CAPACITY(AF): 260.0 <br /> DIV: 5 WD: 72 CRESTWIDTH(FT): 12.0 FREEBOARD(FT): 4.5 SURFACE AREA(AC): 24.0 <br /> EPP: 11/6/2000 CRESTELEV(FT): 9650.0 DRAINAGE AREA(AC.): 3840.0 OUTLET INSPECTED: 9/24/1999 <br /> CURRENT RESTRICTION --NONE-- <br /> OWNER: BULL CREEK RES.CO. CONTACT NAME: IRV JOHNSON <br /> ADDRESS: P.O.BOX 25 CONTACT PHONE: (970)268-5560 <br /> MOLINA CO 81646 <br /> INSPECTION PARTY: David Hawkins.Iry Johnson Tom Brigham.Garrett Jackson <br /> REPRESENTING: owner _ DWR <br /> FIELD <br /> CONDITIONS WATER LEVEL: BELOW DAM CREST FT. Above Spillway FT. GAGE ROD READING 20.06 <br /> OBSERVED GROUND MOISTURE CONDITION: DRY WET ❑ SNOWCOVER ❑ OTHER <br /> DIRECTIONS: MARK AN X FOR CONDITIONS FOUND AND UNDERLINE WORDS THAT APPLY Conditions <br /> Observed <br /> PROBLEMS NOTED:❑(0)NONE ❑ (1)RIPRAP- MISSING,SPARSE, DISPLACED, WEATHERED n (2)WAVE EROSION- WITH SCARPS X <br /> E G A P <br /> Q W 11(3)CRACKS WITH DISPLACEMENT ❑(4)SINKHOLE (5)APPEARS TOO STEEP Ell(6) DEPRESSIONS OR BULGES ❑ (7)SLIDES O C o <br /> ll o C o WW <br /> I <br /> Cr0 ❑(8)CONCRETE FACING- HOLES,CRACKS, DISPLACED, UNDERMINED J (9)OTHER Brush D E R ¢o <br /> 7 I-J <br /> a Uneven slope,(2,5)some old scarps near crest,portions of slope are oversteepened. No evidence of slides. A Cl. <br /> • (9) Brush and willows growing on slope,much large driftwood. B <br /> E <br /> PROBLEMS NOTED:❑(10)NONE ❑(11) RUTS OR PUDDLES LJ(12)EROSION ❑(13)CRACKS- WITH DISPLACEMENT ❑(14)SINKHOLES X <br /> G A P <br /> p. ❑(15)NOT WIDE ENOUGH Q(16)LOW AREA Li(17)MISALIGNMENT ❑(18)IMPROPER SURFACE DRAINAGE 0(19)OTHER brush O C O <br /> cn O C o <br /> LU Generally good alignment. (16)Several low areas,shoulders becoming rounded in several locations. D E R N <br /> P W <br /> CC T D. <br /> U A Q <br /> B <br /> L <br /> E <br /> ..2 PROBLEMS NOTED:❑(20)NONE❑(21)LIVESTOCK DAMAGE y'(22) EROSION OR GULLIES ❑(23)CRACKS- WITH DISPLACEMENT ❑(24)SINKHOLE X X' <br /> Q <br /> W i (25)APPEARS TOO STEEP Q(26) DEPRESSIONS OR BULGES ❑(27)SLIDE ❑(28)SOFT AREAS Eg(29)OTHER brush o C o W <br /> cc w o C O cc <br /> a <br /> (~a0 Uneven (variable slope). (22,25,26)Very steep(-1.2:1)in places,many small bulges,toe of steep slope D P R (0a0 <br /> Sup continues to erode. Rock wall at toe left of bend in alignment is becoming undermined by rodent burrows and A 3N ao <br /> O erosion. i B O <br /> CI L0 E 0 <br /> V <br /> PROBLEMS NOTED:❑(30)NONE "(31)SATURATED EMBANKMENT AREA ❑(32)SEEPAGE EXITS ON EMBANKMENT G X <br /> u <br /> W (33)SEEPAGE EXITS AT POINT SOURCE ❑(34)SEEPAGE AREA AT TOE ❑(35)FLOW ADJACENT TO OUTLET ❑(36)SEEPAGE INCREASED / MUDDY ,V, o c o o o W <br /> O DRAIN OUTFALLS SEEN 0 No Yes Show location of drains on sketch and indicate FLOW INCREASED / MUDDY (38)DRAIN DRY/ OBSTRUCTED U <br /> .4 ❑ amount and quality of discharge. 1_1(37) ❑( ) D D E R G <br /> w J(39)OTHER B A W <br /> W e B W <br /> W No drains. Large spring in right abutment fills old beaver pond at toe of dam. Some wet spots at several T. E In <br /> locations along toe of dam. Total gate leakage+spring+seepage Q-.58 cfs. <br /> co <br /> 6. <br /> m <br /> PROBLEMS NOTED: ❑(40)NONE ❑(41)NO OUTLET FOUND ❑(42)POOR OPERATING ACCESS ❑(43)INOPERABLE C OX X <br /> ❑(44) UPSTREAM OR DOWNSTREAM STRUCTURE DETERIORATED (45)OUTLET OPERATED DURING INSPECTION ❑YES QNO O C O <br /> J ,•2 INTERIOR INSPECTED (120)NO ❑(121)YES ❑(46)CONDUIT DETERIORATED OR COLLAPSED ❑(47)JOINTS DISPLACED Q(48)VALVE LEAKAGE D• E R W <br /> ❑(49)OTHER T F <br /> A D <br /> O B 0 <br /> Gate leaks badly(see above). No indication of collapse or piping along conduit. 1999 interior inspection E <br /> indicated potential deterioration of conduit. <br /> .1 PROBLEMS NOTED: ❑(50)NONE❑(51)NO EMERGENCY SPILLWAY FOUND ❑(52)EROSION WITH BACKCUTTING ❑(53)CRACK-WITH DISPLACEMENT X X <br /> LJ(54)APPEARS TO BE STRUCTURALLY INADEQUATE 0(55)APPEARS TOO SMALL ❑ (56)INADEQUATE FREEBOARD Q (57)FLOW OBSTRUCTED O C o 3 <br /> - ❑(58)CONCRETE DETERIORATED / UNDERMINED ❑(59)OTHER o C o <br /> D E R J <br /> J P -I <br /> E. Log boom is broken and lodged in channel below crest. Much driftwood and beaver activity. (55)Spillway is A ET <br /> too small to pass failure discharge from upstream dams. B <br /> E <br />