C150188 Legal Corespondance

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

•
DAM NAME: BULL CREEK#5 Page 2 DAM I.D.:720116 DATE. 7/26/2006
(.1 EXISTINGINSTRUMENTATIONFOUND [1(110)NONE k(111)GAGE ROD ❑(112)PIEZOMETERS H(113)SEEPAGE WEIRS / FLUMES X U
Z 114)SURVEY MONUMENTS 0 (115)OTHER A Z
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0 MONITORING OF INSTRUMENTATION 0 (116)NO ❑(117)YES PERIODIC INSPECTIONS BY: ❑(118)OWNER ❑(119)ENGINEER o a o O
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PROBLEMS NOTED: ❑(60 NONE ❑ (61)ACCESS ROAD NEEDS MAINTENANCE ❑ (62)CATTLE DAMAGE
U CC 5(63)BRUSH ON UPSTREAM SLOPE,CREST,DOWNSTREAM SLOPE, TOE 5(64)TREES ON UPSTREAM SLOPE, CREST,DOWNSTREAM SLOPE, Q G A RUM
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dQ(65)RODENT ACTIVITY ON UPSTREAM SLOPE, CREST,DOWNSTREAM SLOPE, TOE ❑(66)DETERIORATED CONCRETE- FACING,OUTLET SPILLWAY 0 E 0 .10.
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W'DC n(67)GATE AND OPERATING MECHANISM NEED MAINTENANCE ❑(68)OTHER A ILI CC
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Dam is in generally acceptable condition at this time. However,the irregular outlet configuration and continued
, erosion of the steep downstream slope are dam safety concerns. The inadequate spillway capacity is a major `n
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%-10 Based on this Safety Inspection and recent file review,the overall condition is determined to be: 0
(71)SATISFACTORY Q(72)CONDITIONALLY SATISFACTORY ❑(73)UNSATISFACTORY
ITEMS REQUIRING ACTION BY OWNER
TO IMPROVE THE SAFETY OF THE DAM
2 5 m MAINTENANCE•MINOR REPAIR•MONITORING
Ayv
xi= ❑(80)PROVIDE ADDITIONAL RIPRAP:
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y o (81)LUBRICATE AND OPERATE OUTLET GATES THROUGH FULL CYCLE at least yearly
v f v 3 0(82)CLEAR TREES AND/OR BRUSH FROM: crest,slopes,toe
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O q (83)INITIATE RODENT CONTROL PROGRAM AND PROPERLY BACKFILL EXISTING HOLES:
• m } N O (84)GRADE CREST TO A UNIFORM ELEVATION WITH DRAINAGE TO THE UPSTREAM SLOPE:
a a a ••
rn g (85) PROVIDE SURFACE DRAINAGE FOR:
,-(y 5 ❑• (86)MONITOR:
.;%O£e c lA• (87)DEVELOP AND SUBMIT AN EMERGENCY PREPAREDNESS PLAN: Existing plan is 6 years old and outdated
N° N a G (88)OTHER clear driftwood from upstream slope
o 2 o 0(89)OTHER clear obstructions from spillway channel
Al . N'} ENGINEERING•EMPLOY AN ENGINEER EXPERIENCED IN DESIGN AND CONSTRUCTION OF DAMS TO: (Plans and Specifications must be approved by State Engineer prior to construction.
• o N El(90) PREPARE PLANS AND SPECIFICATIONS FOR REHABILITATION OF THE DAM:
c O C ` ❑(91)PREPARE AS-BUILT DRAWINGS OF:
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▪ O E El�a E (92)PERFORM A GEOTECHNICAL INVESTIGATION TO EVALUATE THE STABILITY OF THE DAM:
a a`,sr. (93)PERFORM A HYDROLOGIC STUDY TO DETERMINE REQUIRED SPILLWAY SIZE:
.▪?1;s
2 0 `, (94)PREPARE PLANS AND SPECIFICATIONS FOR AN ADEQUATE SPILLWAY:by 12/31/2007
c n a 2 ❑(95)SET UP A MONITORING SYSTEM INCLUDING WORK SHEETS,REDUCED DATA AND GRAPHED RESULTS:
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m y O 3 (96) PERFORM AN INTERNAL INSPECTION OF THE OUTLET:
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• n ❑(97)OTHER:
~ +0 3 0 El(98)OTHER:
7(99)OTHER:
SAFE STORAGE LEVEL RECOMMENDED AS A RESULT OF THIS INSPECTION
▪(101) FULL STORAGE _ FT.BELOW DAM CREST
n(102)CONDITIONAL FULL STORAGE FT.BELOW SPILLWAY CREST
❑(103)RECOMMENDED RESTRICTION _ FT.GAGE HEIGHT
NO STORAGE-MAINTAIN OUTLET FULLY OPEN
❑(104)CONTINUE EXISTING RESTRICTION
REASON FOR RESTRICTION
ACTIONS REQUIRED FOR CONDITIONAL FULL STORAGE C^"^''T''"'r^^T^^"""T T" ^^"T"'^T"'^`^
•
omplete maintenance and engineering items indicated above. Note that plans for an adequate spillway(item 94)must be
ompleted by the end of 2007.
Engineers Owners
Signature Signature DATE:
INSPECTED BY OWNER/OWNER'S REPRESENTATIVE pp 2 of