C150188 Legal Corespondance

• Contract/PO #: C150188
• Contractor Name: Bull Creek Reservoir
• Contract Type: Loan
• County: Mesa
• Loan Projects - Doc Type: Contract Documents

ENGINEERS INSPECTION REPORT INSPECTOR: GOJ
OFFICE OF THE STATE ENGINEER-DIVISION OF WATER RESOURCES-DAM SAFETY BRANCH 1313 SHERMAN STREET,ROOM 818,DENVER,CO 80203,[phone]
DAM NAME: BULL CREEK#4 T: 110S R: 0950W S: 20 COUNTY: MESA DATE OF INSPECTION: 7/26/2006
DAM ID: 720115 YRCompl: 1901 DAM HEIGHT(FT): 27.5 SPILLWAY WIDTH(FT): 10.0 PREVIOUS INSPECTION: 8/8/2005
CLASS: 1 DAM LENGTH(FT): 900.0 SPILLWAY CAPACITY(CFS): 3500.0 CAPACITY(AF): 202.0
DIV: 5 WD: 72 CRESTWIDTH(FT): 4.0 FREEBOARD(FT): 7.0 SURFACE AREA(AC): 27.0
EPP: 11/6/2000 CRESTELEV(FT): 9855.0 DRAINAGE AREA(AC.): 1020.0 OUTLET INSPECTED: 10/4/1999
CURRENT RESTRICTION 3 FEET BELOW EMERGENCY SPILLWAY CREST
OWNER: BULL CREEK RES.CO. CONTACT NAME: IRV JOHNSON
ADDRESS: P.O.BOX 25 CONTACT PHONE: [phone]
MOLINA CO 81646
INSPECTION PARTY: David Hawkins.Iry Johnson Tom Brigham.Garrett Jackson
REPRESENTING: owner DWR
FIELD
CONDITIONS WATER LEVEL: BELOW DAM CREST FT. Above Spillway FT. GAGE ROD READING 10.38
OBSERVED GROUND MOISTURE CONDITION: DRY 0 WET ❑ SNOWCOVER ❑ OTHER
DIRECTIONS: MARK AN X FOR CONDITIONS FOUND AND UNDERLINE WORDS THAT APPLY Conditions
Observed
PROBLEMS NOTED: (0)NONE Q (1)RIPRAP- MISSING. SPARSE, DISPLACED,WEATHERED ❑ (2)WAVE EROSION- WITH SCARPS X X
2 G A P 2
IQ W ,�(3)CRACKS WITH DISPLACEMENT ❑(4)SINKHOLE (5)APPEARS TOO STEEP Q(6) DEPRESSIONS OR BULGES ❑ (7)SLIDES O C o Q W
O- 0 C G W
cr O ❑(8)CONCRETE FACING- HOLES,CRACKS, DISPLACED, UNDERMINED 0 (9)OTHER brush D R �O
T HJ
a�Brushy,small pine growing left of outlet. Very steep above Normal Water Level. No signs of recent movement. A aN
B
E
PROBLEMS NOTED:❑(10)NONE ❑(11) RUTS OR PUDDLES 0(12)EROSION ❑(13)CRACKS- WITH DISPLACEMENT ❑(14)SINKHOLES X
G A P
I-- (15)NOT WIDE ENOUGH Q(16)LOW AREA ❑(17)MISALIGNMENT ❑(18)IMPROPER SURFACE DRAINAGE 0(19)OTHER brush O c O
W Generally uniform alignment. Crest has narrowed to<3'at several locations due to continuing erosion. Top D p R w
CC
U of crest slopes down to spillway. A u
a
L
E
2 PROBLEMS NOTED:❑(20)NONE k(21)LIVESTOCK DAMAGE❑(22) EROSION OR GULLIES ❑(23)CRACKS- WITH DISPLACEMENT a(24)SINKHOLE X.
W W,-/-1(25)APPEARS TOO STEEP Q(26) DEPRESSIONS OR BULGES ❑(27)SLIDE ❑(28)SOFT AREAS Q(29)OTHER brush O C o w
CC 0 c G CE W
Q
(~n0 Very steep(esp.over outlet)and brushy. Lateral bulges and depressions on slope above outlet. Rock toe D p R No
zu) wall at outlet continues to deteriorate,slope continues to exhibit evidence of gradual movement. T ZJ
A (A
B
N e
0
O CI
1 i
PROBLEMS NOTED:❑(30)NONE ❑(31)SATURATED EMBANKMENT AREA ❑(32)SEEPAGE EXITS ON EMBANKMENT p X
yl G A P
w ❑(33)SEEPAGE EXITS AT POINT SOURCE k(34)SEEPAGE AREA AT TOE El(35)FLOW ADJACENT TO OUTLET ❑(36)SEEPAGE INCREASED / MUDDY m 0 C 0
O C O W
(<-(' DRAIN OUTFACES SEEN Show location of drains on sketch and indicate m 0 a R O
❑NO❑Yes amount and quality of discharge. ❑(37)FLOW INCREASED / MUDDY D38)DRAIN DRY/ OBSTRUCTED Q
O. — G T G
W "(39)OTHER N A W
w e B W
No drains. No seepage observed except at toe of maximum section,where piezometers indicate phreatic q E 0
surface is at or above ground surface. Standing water and dense willows at toe right of outlet. c�
4,
d
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PROBLEMS NOTED: ❑(40)NONE 0(41)NO OUTLET FOUND ❑(42)POOR OPERATING ACCESS Li(43)INOPERABLE y � X
F Nt(44) UPSTREAM OR DOWNSTREAM STRUCTURE DETERIORATED (45)OUTLET OPERATED DURING INSPECTION ❑YES NO O c 0 F
J INTERIOR INSPECTED 0(120)NO 0(121)YES ❑(46)CONDUIT DETERIORATED OR COLLAPSED 0(47)JOINTS DISPLACED ❑(48)VALVE LEAKAGE D E R J
P
(49)OTHER T A I-
0 a 0
Timbers on crest structure are deteriorated,concrete conduit at downstream end is damaged. 1999 interior e
inspection indicated deterioration of conduit inside dam.
•
PROBLEMS NOTED: El(60)NONE❑(51)NO EMERGENCY SPILLWAY FOUND VII(52)EROSION WITH BACKCUTTING ❑(53)CRACK-WITH DISPLACEMENT X X
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a ❑i(54)APPEARS TO BE STRUCTURALLY INADEQUATE ❑(55)APPEARS TOO SMALL ❑ (56)INADEQUATE FREEBOARD ❑ (57)FLOW OBSTRUCTED O C O
(58)CONCRETE DETERIORATED / UNDERMINED INI(59)OTHER brush and debris in channel D E R -J
J P J
E Spillway channel was cut down to comply with earlier restriction,erosion of crest has further reduced storage. B n
N
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E