PROJECT AREA

N

2

16

5

4

7

3

STERLING

FT. MORGAN

GREELEYFT. COLLINS

LOVELAND

LONGMONTBOULDER

DENVER

COLORADO SPRINGS

TRINIDAD

ALAMOSA

CANON CITY

LAMAR

PUEBLO

STEAMBOAT SPRINGS

MONTROSE

GLENWOODSPRINGS

CORTEZ DURANGO

LA JUNTA

STATE OF COLORADOPROJECT LOCATION MAP

GUNNISON

COLORADO

ARKANSAS RIVER

RIVER

RIVER

SOUT

H

PLATTE

NOT TO SCALE

BRIGHTON

N

PREPARED FOR:

PREPARED BY:

OLD DILLON RESERVOIR AUTHORITY208 EAST LINCOLN AVENUEBRECKENRIDGE, CO 80424(970) 453-2561

TETRA TECH ASSUMES NO RESPONSIBILITY FOR EXISTING UTILITY LOCATIONS (HORIZONTAL ANDVERTICAL). THE EXISTING UTILITIES SHOWN ON THIS DRAWING HAVE BEEN PLOTTED FROM THE

BEST AVAILABLE INFORMATION. IT IS, HOWEVER, THE RESPONSIBILITY OF THE CONTRACTOR TOFIELD VERIFY THE LOCATION OF ALL UTILITIES PRIOR TO THE COMMENCEMENT OF ANY

CONSTRUCTION ACTIVITIES.

BYDATE

REVISIONSDESCRIPTIONNO.STATE ENGINEER

,20 .APPROVED ON THE DAY OF

APPROVED BY:

BY:

CERTIFICATION:

BY:

JB6-14-2010ISSUED FOR BID1

I HEREBY CERTIFY THAT THESE CONSTRUCTION PLANS FORTHE ENLARGEMENT OF OLD DILLON RESERVOIR WEREPREPARED UNDER MY DIRECT SUPERVISION FOR THE OWNERTHEREOF.

RICHARD J. TOCHER, P.E.COLORADO, P.E. #19305

DATE:

DEPUTY STATE ENGINEERBY:

THESE PLANS REPRESENT THE ENLARGEMENT OF OLD DILLONRESERVOIR TO THE BEST OF OUR KNOWLEDGE AND JUDGMENT.BASED IN PART ON THE INFORMATION FURNISHED BY OTHERSAS OF THE DAY OF , 20 .

BY: DATE:RICHARD J. TOCHER, P.E.COLORADO, P.E. #19305

SEO FILE NO. C-1955

SHEET INDEX IS ON G001

I-70

www.tetratech.com

CLIENT INFORMATION:PROJECT LOCATION:

PROJECT DESCRIPTION / NOTES:

Tt PROJECT No.: CLIENT PROJECT No.:133_1187_004_03

C/0 SUMMIT COUNTY, COLORADO208 EAST LINCOLN AVENUEBRECKENRIDGE, CO 80424

CA06024

SUMMIT COUNTY, COLORADO

CO

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CONSTRUCTION DRAWINGS FORENLARGEMENT OF OLD DILLON RESERVOIR

1900 S. Sunset Street, Suite I-F

Longmont, Colorado 80501

PHONE: (303) 772-5282 FAX: (303) 772-7039

WATER DIVISION No. 5, WATER DISTRICT No. 36, DAM ID: 360117_

0 1000 2000 4000Sheet 1 of 70

DILLON D

AM ROAD

OLD DILLON RESERVOIR AUTHORITY

C/O OLD DILLON RESERVOIR COMPANY

EXISTING ROAD OR TRAIL

EXISTING OVERHEADTELEPHONE LINE

EXISTING OVERHEADELECTRIC LINE

PROPOSED CONTOURS

EXISTING CONTOURS

PROPOSED UNDERGROUNDELECTRIC LINE

EXISTING GAS LINE

RIGHT OF WAY

CHANNEL CENTERLINE

EXISTING WETLANDSBOUNDARY LINE

TREE REMOVAL AREA

WETLAND TOPSOIL

UTILITY RELOCATE AREA

G G

R/W

UE

OHE OHE

SLUICE GATE (SLU)

CLOSED OPEN

PLUG VALVE

MOTOR DRIVER

ELECTROMAGNETIC FLOW METER(WATER)AIR FLOW METER (AIR)

PRESSURE OR TEMPERATURE SENSOR

M

M

SWP

J JUNCTION BOX

WALL MOUNT FIXTURE

LIGHT SWITCH

ELECTRICAL DISCRETE SIGNAL

ELECTRICAL ANALOG SIGNAL

USER'S CHOICE

GLASS, VIEWING DEVICE

SENSOR (PRIMARY

USER'S CHOICE

POINT (TEST)

MULTIFUNCTION

ORIFICE, RESTRICTION

UNCLASSIFIED

TORQUEN

VIBRATION, MECHANICAL

POSITION, DIMENSION

V

Z

YXW

EVENT, STATE ORPRESENCE

UNCLASSIFIEDWEIGHT, FORCEANALYSIS

RS

UT

OP

QRADIATION

FAILURETEMPERATURESPEED, FREQUENCY

PRESSURE, VACUUMUSER'S CHOICE

QUANTITY

Z AXIS

X AXISY AXIS

WELL

INTEGRATE, TOTALIZE

SAFETYRECORD

CONNECTION

BURNER, COMBUSTION

TIME, TIME SCHEDULE

CURRENT (ELECTRICAL)

LM

KJIH

USER'S CHOICELEVEL

POWER

HAND

FG

E

B

DC

A

FLOW RATEUSER'S CHOICE

VOLTAGEUSER'S CHOICECONTROL

ANALYSIS

MOMENTARY

TIME RATE OF CHANGESCAN

LIGHT

INDICATE

RATIO (FRACTION)

DIFFERENTIAL

ELEMENT)

ALARM

FIRST - LETTER

USER'S CHOICEUSER'S CHOICE

UNCLASSIFIED

SWITCHTRANSMITMULTIFUNCTION

UNCLASSIFIED

MULTIFUNCTION

OPEN

CONTROL STATION

CONTROLUSER'S CHOICE

INTERMEDIATE

LOWMIDDLE,

HIGH

USER'S CHOICECLOSED

SUCCEEDING - LETTERSOUTPUT FUNCTION MODIFIER

RELAY, COMPUTE,CONVERTDRIVER, ACTUATOR,UNCLASSIFIED FINALCONTROL ELEMENT

MEASURED ORINITIATING VARIABLE

READOUT ORPASSIVE FUNCTION

VALVE, DAMPER,LOUVER

DATANETWORK

PROGRAMMABLELOGIC CONTROL

DISCRETEINSTRUMENTS

AT CONTROL PANELACCESSIBLE TOOPERATOR

AT CONTROL PANELINACCESSIBLE TOOPERATOR

FIELD LOCATEDXXXX

0000

XXXX

0000

XXXX

0000

XXXX

0000

XXXX

0000

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0000XXXX0000

XXXX0000

XXXX0000

EXISTING TREES

POWER POLE

PIEZOMETER

MOVEMENT MONUMENT

SURVEY CONTROL POINT

WATER LEVEL

EXISTING TEST PIT

EXISTING BORING

RESERVED MARK

NORTHING EASTING MARKER

TRAFFIC CONTROL SIGN

TRAFFIC CONTROL CONE

PZ-10

OR

TP-5

4444

N:-1464.30E:395.63

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CIVIL LEGEND:

ABBREVIATIONS:Ø =DIAMETER° =DEGREES% =PERCENTAMSL =ABOVE MEAN SEA LEVELAPPROX. =APPROXIMATE

=CENTERLINEBLDG =BUILDINGBM. =BEAMCFS =CUBIC FEET PER SECONDCIP =CAST IN PLACECO =CLEAN OUTCONC. =CONCRETECONN. =CONNECTIONDIA. =DIAMETERDIP =DUCTILE IRON PIPEDIPS =DUCTILE IRON PIPE SIZESE.F. =EACH FACEEL. =ELEVATIONELEV. =ELEVATIONFLG =FLANGEE.W. =EACH WAYEMBED. =EMBEDDEDEXP. =EXPOSEDFND =FOUNDATIONGND =GROUNDHDPE =HIGH DENSITY POLYETHYLENEHORIZ. =HORIZONTALHT =HEIGHTINV =INVERTIPS =IRON PIPE SIZES

SEO FILE NO. C-1955

CIVIL LEGEND CONTINUED:

ABBREVIATIONS CONTINUED:KIPS =1,000 POUNDSLF =LINEAR FEETMAX. =MAXIMUMMFR = MANUFACTUREMIN. =MINIMUMNHWL =NORMAL HIGH WATER LEVELN.I.C. =NOT IN CONTRACTO.C. =ON CENTEROH =OVERHEADOHE =OVERHEAD ELECTRICALPERF. =PERFORATEDPMF =PROBABLE MAXIMUM FLOODPMP =PROBABLE MAXIMUM PRECIPITATIONpsi =POUNDS PER SQUARE INCHPVC =POLYVINYL CHLORIDERCP =REINFORCED CONCRETE PIPEREQ'D =REQUIREDRPP =RECONSTRUCTION OF PRESSURIZED PIPINGSHLD =SHIELDS.S. =STAINLESS STEELSTA =STATIONSTR. =STRUCTURESWGR. =SWITCH GEARSYNC. =SYNCHRONIZETM =TRADEMARKTYP. =TYPICALUE =UNDERGROUND ELECTRICALVERT. =VERTICALWSEL =WATER SURFACE ELEVATION

VALVE SYMBOLS:

P&ID EQUIPMENT SYMBOLS:

INSTRUMENTATION LEGEND:

INSTRUMENT IDENTIFICATION LETTERSINSTRUMENT SOCIETY OF AMERICA)

P&ID INSTRUMENT SYMBOLS:

SHEET INDEX

DRAWING # SHEET # SHEET TITLE

-- 1 OF 70 COVER

GENERAL

G001 2 OF 70 SHEET INDEX, LEGEND, AND ABBREVIATIONS

G002 3 OF 70 RESERVOIR CAPACITY, RATING CURVES AND TABLES

G003 4 OF 70 OUTLET SCHEMATIC

G004 5 OF 70 OVERALL SITE PLAN 1 OF 2

G005 6 OF 70 OVERALL SITE PLAN 2 OF 2

G006 7 OF 70 PROCESS AND INSTRUMENTATION DIAGRAM

G007 8 OF 70 SURVEY CONTROL

GEOTECHNICAL

B101 9 OF 70 EXISTING CONDITIONS PLAN

B102 10 OF 70 DEMOLITION AND UTILITY RELOCATION PLAN 1 OF 2

B103 11 OF 70 DEMOLITION AND UTILITY RELOCATION PLAN 2 OF 2

B104 12 OF 70 NOT INCLUDED

B105 13 OF 70 EMBANKMENT EXCAVATION PLAN

B106 14 OF 70 NORTH AND SOUTH DAM GRADING PLAN

B107 15 OF 70 NORTH DAM TOE DRAIN PLAN AND PROFILE

B108 16 OF 70 SOUTH DAM TOE DRAIN PLAN AND PROFILE

B109 17 OF 70 OLD DILLON RESERVOIR ACCESS ROAD IMPROVEMENTS

B201 18 OF 70 EXCAVATION NORTH DAM PROFILE

B202 19 OF 70 EXCAVATION SOUTH DAM PROFILE

B301 20 OF 70 NORTH DAM CROSS SECTIONS

B302 21 OF 70 SOUTH DAM CROSS SECTIONS

B501 22 OF 70 OLD DILLON RESERVOIR ACCESS ROAD DETAILS

B502 23 OF 70 TYPICAL DAM SECTION AND SLOPE PROTECTION DETAILS

B503 24 OF 70 EMBANKMENT INSTRUMENTATION DETAILS

B504 25 OF 70 WETLANDS MITIGATION PLAN AND DETAILS

B505 26 OF 70 TOE DRAIN DETAILS

CIVIL

C101 27 OF 70 INLET PIPELINE PLAN AND PROFILE STA 0+00 TO 2+93.51 BACK

C102 28 OF 70 INLET PIPELINE PLAN - STA. 2+78 AHEAD TO 21+00

C103 29 OF 70 INLET PIPELINE PLAN - STA 21+00 TO 29+31.75

C104 30 OF 70 INLET PIPELINE PLAN - STA 29+31.75 TO 39+38.80

C105 31 OF 70 INLET PIPELINE PLAN - STA 39+38.80 TO 52+21

C106 32 OF 70 NON-EMBANKMENT TYPICAL SECTIONS

C107 33 OF 70 OLD DILLON - NEW DILLON PIPELINE STA 0+09.50 TO 5+80.40

C108 34 OF 70 OUTLET CONDUIT AT VALVE VAULT

C109 35 OF 70 INTAKE STRUCTURE PLAN AND PROFILE

C110 36 OF 70 SALT LICK GULCH ACCESS ROAD IMPROVEMENTS

C111 37 OF 70 INTERSTATE 70 TEMPORARY TRAFFIC CONTROLS

C112 38 OF 70 DILLON DAM ROAD TEMPORARY TRAFFIC CONTROLS

C301 39 OF 70 INLET PIPELINE CROSS SECTIONS

C503 40 OF 70 INLET VAULT AND HANDRAIL DETAILS

C504 41 OF 70 INTAKE STRUCTURE AND VALVE VAULT PLANS

C505 42 OF 70 VALVE VAULT SECTIONS

C506 43 OF 70 INTAKE STRUCTURE SECTIONS

C507 44 OF 70 SIPHON DETAILS

C508 45 OF 70 SALT LICK GULCH ACCESS ROAD DETAILS

C509 46 OF 70 FOREST SERVICE ROAD DETAILS

C510 47 OF 70 BAFFLED OUTLET STRUCTURE

C511 48 OF 70 SOIL NAIL WALL DETAILS

C512 49 OF 70 CHUTE SCREEN DETAILS

C513 50 OF 70 HEADGATE STRUCTURE PLAN AND SECTIONS

C514 51 OF 70 SALT LICK GULCH AND CHANNEL FISH BY-PASS TYPICAL DETAILS

ELECTRICAL

E101 52 OF 70 ELECTRICAL SITE PLAN

E102 53 OF 70 ELECTRICAL ONE-LINE DIAGRAM

E103 54 OF 70 ELECTRICAL PLANS

E104 55 OF 70 CONTROL ONE-LINE AND CONDUIT SCHEDULE

E501 56 OF 70 ELECTRICAL DETAILS

E601 57 OF 70 ELECTRICAL SCHEDULES AND PANELS

MECHANICAL

M501 58 OF 70 FLOW METER VAULT PLANS AND DETAILS

M502 59 OF 70 OUTLET AT NEW DILLON RESERVOIR

STRUCTURAL

S101 60 OF 70 INTAKE STRUCTURE AND VALVE VAULT PLANS AND DETAILS

S102 61 OF 70 INTAKE STRUCTURE DETAILS

S103 62 OF 70 VALVE VAULT DETAILS

S104 63 OF 70 INLET VAULT DETAILS

S105 64 OF 70 BAFFLED OUTLET STRUCTURE DETAILS

S106 65 OF 70 BRIDGE ABUTMENT DETAILS

S107 66 OF 70 NOT INCLUDED

S108 67 OF 70 FLOW METER VAULTS SECTIONS AND DETAILS

S109 68 OF 70 HEADGATE AND FISH BY-PASS PLAN, SECTIONS AND DETAILS

S501 69 OF 70 STRUCTURAL DETAILS 1 OF 2

S502 70 OF 70 STRUCTURAL DETAILS 2 OF 2

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SEO FILE NO. C-1955

AREA - CAPACITY TABLE

ELEVATION(FEET)

GAGE HEIGHT(FEET) AREA (ACRES) CAPACITY

(ACRE-FEET) COMMENT

9159 - 0 0

9160 0 0.7 0.3 Outlet Works Invert

9161 1 1.3 1.4

9162 2 2.1 3.1

9163 3 2.8 5.5

9164 4 3.6 8.7

9165 5 4.5 12.8

9166 6 5.4 17.7

9167 7 5.9 23.4

9168 8 6.4 29.5

9169 9 6.7 36.1

9170 10 7.0 42.9

9171 11 9.5 51.1

9172 12 9.7 60.7

9173 13 10.0 70.6

9174 14 10.2 80.6

9175 15 10.5 91.0

9176 16 10.7 101.6

9177 17 11.0 112.4

9178 18 11.2 123.5

9179 19 11.5 134.8

9180 20 11.7 146.4

9181 21 12.0 158.3

9182 22 12.3 170.4

9183 23 12.6 182.8

9184 24 12.8 195.5

9185 25 13.1 208.5

9186 26 13.4 221.8

9187 27 13.7 235.3

9188 28 14.1 249.2

9189 29 14.5 263.5

9190 30 14.7 278.1

9190.5 30.5 14.8 285.5 Spillway Crest

9191 31 14.9 292.9

9192 32 15.1 308.0

9193 33 15.4 323.2

9194 34 15.6 338.7 Dam Crest

SPILLWAY RATING TABLE

ELEVATION GAGE HEIGHT FLOW RATECOMMENT

(FEET) (FEET) (CFS)

9190.5 30.5 0.0 SPILLWAY INVERT

9191.0 31.0 6.7

9191.5 31.5 19.1

9192.0 32.0 35.1

9192.5 32.5 54.0 SPILLWAY CREST

9193.0 33.0 84.9

9193.5 33.5 98.1

9194.0 34.0 109.6 DAM CREST

18.018.0

2:1 3:1

2:1

3:1

NORMAL HIGH WATER ELEV. = 9190.5

ELEV. = 9194 ELEV. = 9194ACCESS WALKWAY

PROPOSED BOTTOM ELEV. = 9162 EXISTING BOTTOMPOWERED GATEBAFFLED OUTLETSTRUCTURE

RIPRAP OUTFALL

INTAKE STRUCTURE

POWERED GATE

VALVE VAULT

TO NEW DILLON RESERVOIR

TO NEW DILLON RESERVOIRTO SALT LICK GULCH

BURIED ELECTRIC UTILITY

PMP DISCHARGE = 37cfs

PMF ELEV. = 9192.10

EXISTING EMBANKMENTTO BE REMOVED

EXISTINGEMBANKMENT

TO BE REMOVED

BURIED ELECTRIC UTILITY

36" Ø STEEL CONCRETE ENCASED16" Ø STEEL CONCRETE ENCASED

24" Ø STEEL CONCRETE ENCASED

16" Ø STEEL CONCRETE ENCASED

16" Ø HDPE

APPROX. TRANSITIONPOINT FROM STEEL TOHDPE PIPE

FLOW METER VAULT FLOW METER VAULT

CREST ROADCREST ROAD

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SEO FILE NO. C-1955

0 75 150 300

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SEE

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SEO FILE NO. C-1955

0 300 600 1200

9170

9180

9190

9200

9210

9220

9230

9240

91709180

91809190

9190

9170

9170

9180

9180

919091

90

9170

91709170

9180

9190

9200

9210

9220

9230

9175

9200

9175

9200

9150

9175

9200 92

259250

90509050

9075

9100

9125

9150

9175

0+00

1+00

2+00

3+00

3+25

0+00

1+00

2+00

3+00

3+25

16"Ø STEEL PIPE

24"ØSTEELPIPE

24"Ø HDPE PIPEOUTLET TORESERVOIR

INTAKE STRUCTUREWITH WING WALLSAND TRASH RACK

OUTLET TO SALTLICK GULCH

9150

9175

9200

DILLON DAM ROAD

0+00

1+00

2+00

3+00

4+00

5+00

5+90

0+00

1+00

1+14

0+00

1+00

2+00

3+00

4+00

5+00

6+00

7+00

8+00

9+00

10+0

0

11+00

12+00

13+00

14+00 15+0016+00

17+0

0

18+00

19+00

20+00

21+00

22+0

0

23+0

0

24+00

25+0

026

+00

27+00

28+00

29+00

30+00

31+0032+0032+28

WETLAND MITIGATIONAREA 1.3 ACRES

4" PVC PIPEWITH TAP

0+00

0+41 FUTURE TURBINEHOUSE VAULT

N:1647400E:2839700

N:1648500E:2839700

N:1648500E:2838300

N:1647400E:2838300

ACCESS ROAD IMPROVEMENTS;SEE SHEET B109

UE

UE

UE

UE

UE

UE

UE30

' UTI

LITY

EASE

MEN

T

2" ELECTRICAL AND4" COMMUNICATIONCONDUITS FORFUTURE USE

16"Ø HDPE PIPE

PIPE TRANSITION POINTFROM STEEL TO HDPE

EXISTING VALVE HOUSE;TO BE REMOVED

EXISTINGOUTLETWORKS

9190

919092009210922092309240

PROPOSED RELOCATED UNDERGROUNDUTILITIES (XCEL, QWEST & COMCAST)

VALVE VAULT

16"Ø STEEL PIPE

ELECTRICAL SERVICE TRANSFORMERAND ELECTRICAL CONTROL PANEL

3/C DIRECTBURIAL POWER

XCEL ENERGYSPLICE POWER

ELECTRICALCONTROL

PANEL

ELECTRICALCONTROL

PANEL

PRECAST FES WITHTRASH RACK

46+0048+00

52+21

50+00

52+00

N:1647200E:2838100

N:1648300E:2838000

FLOW METER VAULT

36" Ø STEEL PIPE

FLOW METER VAULT

OH ELECTRIC (EXCEL)OH PHONE LINE (QWEST)BURIED PHONE LINE ALONGOH UTILITIES (QWEST)

INLET VAULT

BAFFLED OUTLETSTRUCTURE

FLOW METER VAULT

OUTLET TO NEWDILLON RESERVOIRINCLUDING VALVES

I-70

EAST

BOUND L

ANE

I-70 W

ESTB

OUND LANE

CREST ROADCREST ROAD

RIPRAP OUTFALL

CONSTRUCTION STAGING AREA

R/W

R/W

R/W

R/W

R/W

R/W

R/W

R/W

1

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SCALE IN FEET

0' 400 800200400

SEO FILE NO. C-1955

1. CONTROL POINTS ARE #4 REBAR MARKED WITHCROSSED WOODEN LATHS.