FP85_100 pct Drawings_MARCH.pdf
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This document provides details on a two-step sealed bid process for a federal contract opportunity from the Department of the Army Corps of Engineers Engineering District Omaha. The opportunity is for repair and monitoring of the Fort Peck Toe Drain Outfall System. In the first step of technical evaluation, submissions from WyoDak Energy Services, LLC and Montcal, LLC were deemed technically acceptable and will proceed to the second step to submit sealed bids by March 21, 2023. No further information is provided on products or services required, pricing terms, or other contract details.
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SOLICITATION NO.:
CONTRACT NO.:
ISSUE DATE: MARCH 2023
W9128F23B0002 of Engineers
Omaha District
STEP 2 INVITATION FOR BID
100% DESIGN DRAWING SET
TOE DRAIN OUTFALL REPAIR AND MONITORING SYSTEM
FORT PECK, MONTANA
FORT PECK DAM AND RESERVOIR
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SHEET SEQUENCE NUMBER
w/ Level 2 Designator
DISCIPLINE DESIGNATOR
M - 2 0 1
2. DISCIPLINE DESIGNATORS:1. SHEET IDENTIFICATION NUMBERS:
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RESOURCE
TELECOMMUNICATIONS
ELECTRICAL
MECHANICAL
PROCESS
PLUMBING
FIRE PROTECTION
EQUIPMENT
INTERIORS
ARCHITECTURAL
STRUCTURAL
LANDSCAPE
CIVIL
GEOTECHNICAL
SURVEY / MAPPING
HAZARDOUS MATERIALS
GENERAL
Designator)
RELEASE 3.0 for Level 2
(see A/E/C CADD STANDARD
INDEX LEGEND:
SHEET TYPE DESIGNATOR
3. SHEET TYPE DESIGNATORS:
FOR INFORMATION ONLY
3D REPRESENTATIONS
USER DEFINED
USER DEFINED
SCHEDULES & DIAGRAMS
DETAILS
LARGE-SCALE VIEWS
SECTIONS
ELEVATIONS
PLANS
GENERAL
F
GENERAL
INDEX
FLOW METER READOUT FOR METERING MANHOLE DETAILSC-505FP85_C-505.DGN
WEST RELIEF WELL CHANNEL FLUME DETAILSC-504FP85_C-504.DGN
PIPE AND MANHOLE SCHEDULEC-503FP85_C-503.DGN
MANHOLE DETAILSC-502FP85_C-502.DGN
CIVIL DETAILSC-501FP85_C-501.DGN
SECTIONSC-301FP85_C-301.DGN
PROFILES (SHEET 2 OF 2)C-202FP85_C-202.DGN
PROFILES (SHEET 1 OF 2)C-201FP85_C-201.DGN
WORK PLANC-101FP85_C-101.DGN
DESCRIPTIONSHEET NUMBERDESIGN FILE
GENERAL NOTESGI003FP85_GI003.DGN
GENERAL PLAN AND SITE ACCESSGI002FP85_GI002.DGN
PROJECT LOCATION AND VICINITY MAPGI001FP85_GI001.DGN
INDEXG-002FP85_G-002.DGN
COVER SHEETG-001FP85_G-001.DGN
DESCRIPTIONSHEET NUMBERDESIGN FILE
EXISTING CONDITIONSV-102FP85_V-102.DGN
SURVEY CONTROL DATAV-101FP85_V-101.DGN
DESCRIPTIONSHEET NUMBERDESIGN FILE
SURVEY / MAPPING
CIVIL
STRUCTURAL
MANHOLE CONNECTION AND GRATE DETAILSS-502FP85_S-502.DGN
DROP INLET STRUCTURE CONNECTION DETAILS-501FP85_S-501.DGN
DESCRIPTIONSHEET NUMBERDESIGN FILE
FOR INFORMATION ONLY
AS-BUILT DRAINAGE DETAILS (1948)G-F04FP85_G-F04.DGN
AS-BUILT DROP INLET STRUCTURES DETAILS (1948)G-F03FP85_G-F03.DGN
EAST AND WEST RELIEF WELL CHANNEL DISCHARGES (2000-2022)G-F02FP85_G-F02.DGN
TOE DRAIN DISCHARGES (1990-2022)G-F01FP85_G-F01.DGN
DESCRIPTIONSHEET NUMBERDESIGN FILE
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M O N T A N A
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TOWN SITE
RESERVOIR
FORT PECK
PROJECT LOCATION MAP
(NO SCALE)
LOCH LEVEN BAY
P E R
C H B
A Y
RAINBOW
BAY
STURGEON BAY
STRUCTURE
INTAKE
POWER PLANT 2
POWER PLANT 1
PARK
KIWANIS
CAMPING AREA
DOWNSTREAM
TOWNSITE
FORT PECK
DREDGE CUTS
DREDGE CUTS
AREA
PUBLIC USE
DOWNSTREAM
CENTER
INTERPRETIVE
DAM
FORT PECK
SHAFTS
CONTROL
GREAT FALLS
HELENA
MILES CITY
GLASGOW
R
STAGING AREA
AND CONTRACTOR
WORK AREA
PROJECT LOCATION
AREA REQUIRED FOR CONSTRUCTION OF THIS PROJECT.
2. CONTRACTOR MUST LIMIT HIS ACTIVITIES AND EQUIPMENT TO THE
LOCATION OF THE WORK AND STAGING AREA.
1. CONTRACTOR MUST COORDINATE WITH THE COR FOR PRECISE
NOTES:
2000'0 1000'
FORT PECK RESERVOIR
MISSOURI RIVER
VICINITY MAP
FORT PECK DAM
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ACCES
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ROUTE
ACCESS RO
UTE
ACCES
S
ROUTE
ACCES
S
ROUTE
OVERHEAD POWER LINES
OVERHEAD POWER LINES
LINES
POWER
OVERHEAD
BUILDING
ADMINISTRATION
AND CONTRACTOR STAGING AREA
PROJECT LOCATION WORK AREA
1000'0 500'
FORT PECK RESERVOIR
GENERAL PLAN AND SITE ACCESS
AREA REQUIRED FOR CONSTRUCTION OF THIS PROJECT.
2. CONTRACTOR MUST LIMIT HIS ACTIVITIES AND EQUIPMENT TO THE
LOCATION OF THE WORK AND STAGING AREA.
1. CONTRACTOR MUST COORDINATE WITH THE COR FOR PRECISE
FORT PECK DAM
TOWNSITE
FORT PECK
MISSOURI RIVER
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REQUIRE ALTERATION TO THE DESIGN.
CONDITIONS ENCOUNTERED THAT WOULD
THE COR OF ANY SUBSURFACE OR OTHER SITE
PART OF THE WORK. IMMEDIATELY NOTIFY
SUCH ALTERATIONS MUST BE INCLUDED AS
JOB SITE DIMENSIONS OR CONDITIONS, AND
10. ALTERATIONS MAY BE REQUIRED TO SUIT
OTHERWISE OR APPROVED BY THE COR.
AREAS IS NOT PERMITTED, UNLESS NOTED
BEYOND THE INDICATED STAGING AND WORK
DOCUMENTS. EXCAVATION OR DISTURBANCE
AS INDICATED IN THE CONSTRUCTION
9. THE EXTENTS OF ALL SITE WORK MUST BE
DOCUMENTS.
THE COR OR INDICATED IN CONTRACT
PROCEDURES UNLESS OTHERWISE DIRECTED BY
METHODS, TECHNIQUES, SEQUENCES AND
RESPONSIBLE FOR ALL CONSTRUCTION MEANS,
DIRECT THE WORK, AND BE SOLELY
8. THE CONTRACTOR MUST SUPERVISE AND
NORMAL WORKING HOURS.
CONTINUOUSLY AND NOT BE LIMITED TO
THIS REQUIREMENT MUST APPLY
SAFETY OF ALL PERSONS AND PROPERTY.
CONSTRUCTION OF THIS PROJECT INCLUDING
CONDITIONS DURING THE COURSE OF
COMPLETE RESPONSIBILITY FOR JOB SITE
7. THE CONTRACTOR MUST ASSUME SOLE AND
PERMITS ON SITE AT ALL TIMES.
THE CONTRACTOR MUST HAVE A COPY OF ALL
ORDINANCES, AND PERMIT CONDITIONS.
WITH ALL APPLICABLE CODES, REGULATIONS,
INSTALLED MUST BE IN STRICT ACCORDANCE
6. ALL WORK PERFORMED AND MATERIALS
TAKE PRECEDENCE.
OR WHERE LOCAL CODES OR REGULATIONS
UNLESS SPECIFICALLY INDICATED OTHERWISE
WITH MANUFACTURER'S RECOMMENDATIONS
EQUIPMENT AND MATERIALS IN ACCORDANCE
5. THE CONTRACTOR MUST INSTALL ALL
CONTRACT DOCUMENTS.
CLEARLY DEFINED OR IDENTIFIED BY THE
BEFORE STARTING WORK ON ANY ITEM NOT
WRITING, AUTHORIZATION TO PROCEED
4. THE CONTRACTOR MUST RECEIVE, IN
PROCEEDING WITH THE WORK.
OFFICER'S REPRESENTATIVE (COR) PRIOR TO
THE ATTENTION OF THE CONTRACTING
3. ANY DISCREPANCIES MUST BE BROUGHT TO
TO PROCEEDING WITH CONSTRUCTION.
WORK MAY BE ACCOMPLISHED AS SHOWN PRIOR
CONTRACT DOCUMENTS. CONFIRM THAT THE
CONDITIONS AND DIMENSIONS SHOWN IN
RESPONSIBLE FOR FAMILIARITY WITH FIELD
PROCEEDING WITH CONSTRUCTION AND BE
2. VISIT THE JOB SITE PRIOR TO
USE AS BACKFILL MATERIAL.
PER SPECIFICATION SECTION 02 31 60 FOR
SELECTIVELY SEPARATED AND STOCKPILED
1. ALL EXCAVATED MATERIAL MUST BE
GENERAL NOTES
DOCUMENTS.
WORK AS INDICATED IN THE CONSTRUCTION
AND LABOR NECESSARY TO COMPLETE ALL
16. FURNISH ALL MATERIALS, EQUIPMENT,
LATEST REVISION.
CONSTRUCTION DOCUMENTS MUST BE OF THE
15. ASTM SPECIFICATIONS NOTED ON THE
DOCUMENTS.
ADDITIONAL SUBMITTALS PER THE CONTRACT
14. SUBMIT ALL PRE-CONSTRUCTION AND
INFORMATION.
CONTRACTORS REGARDING THE ABOVE
IS FURNISHED OR PLOTTED. NOTIFY SUB-
ACCORDINGLY IF ANY OTHER DRAWING SIZE
22" X 34". ADJUST THE SCALES
ARE BASED ON A STANDARD DRAWING SIZE OF
13. ALL SCALES SHOWN ON THE DRAWINGS
SHEET V-101.
CALLED OUT ON THE SURVEY CONTROL DATA
ESTABLISHED BENCHMARKS FOR REFERENCE AS
12. ALL PROJECT SURVEYS MUST UTILIZE
SPECIFICATIONS.
DURING CONSTRUCTION AS DETAILED IN THE
COVERAGE AND EARTHEN SLOPES CHANGED
EQUIPMENT INSTALLED AND ALL VEGETATIVE
THE DIMENSIONS AND LOCATIONS OF ALL
FINAL PROJECT CONFIGURATION, INCLUDING
11. COMPLETE AS-BUILT DRAWINGS OF THE
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VERTICAL SURVEY CONTROL.
1. CONTRACTOR MUST ONLY USE BM BOLT AND BM BOLT RM1 FOR HORIZONTAL AND
NOTES:
2070.4062,724,284.1871,386,578.086BM BOLT RM1
2070.1772,724,228.2521,386,585.881BM BOLT
LOCAL PROJECT DATUM (LPD)EASTINGNORTHINGPOINT ID
U.S. SURVEY FEETU.S. SURVEY FEET (MT83F)
ELEVATIONNAD83 MONTANA STATE PLANE (2500)
SURVEY CONTROL DATA
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BH22-01
BH22-03
BH22-05
PD 57/19.5
8B
8A
PD 56.25/20 #8
7B
BH22-06
PD 57/17.9-D
15-INCH CMP RISERBH22-02
BH22-04
DROP INLET STRUCTURE "A"
DROP INLET STRUCTURE "B"
WEIR BOX
7A
6B
PD 55/19.5
TOE ROAD CENTERLINE
ACCESS ROAD CENTERLINE
DUCK CREEK
36-INCH CMP CULVERTS
ROCK
UNDERGROUND PIPE
OVERHEAD POWERLINE
BOTTOM OF DITCH
ROAD CENTERLINE
EDGE OF ROAD
MINOR CONTOUR
MAJOR CONTOUR
CMP RISER
BORING HOLE
RELIEF WELL
PIEZOMETER
POWERPOLE
LEGEND
SPECIFICATION SECTION 33 26 00.
TEST INFORMATION FOR PD22-01 AND PD22-02 ARE PROVIDED AS AN ATTACHMENT IN
3. BORING LOGS AND LAB TEST INFORMATION FOR BH22-01 THROUGH BH22-06 AND PUMP
REGARDING EXISTING UTILITIES PLANS AND PROFILES MAY BE AVAILABLE UPON REQUEST.
CONTRACTOR AT NO ADDITIONAL COST TO THE GOVERNMENT. ADDITIONAL INFORMATION
FEATURES MUST BE REPAIRED OR REPLACED IF DAMAGED BEYOND REPAIR BY THE
WHILE WORKING TO ENSURE THESE FEATURES ARE NOT DAMAGED. DAMAGE TO THESE
CHANNEL FLUMES, DROP INLET STRUCTURES, AND UTILITIES AND EXERCISE CAUTION
2. THE CONTRACTOR MUST LOCATE ALL PIEZOMETERS, RELIEF WELLS, RELIEF WELL
IN 2021 AND 2011, RESPECTIVELY.
SEE SHEET V-101 FOR SURVEY CONTROL DATA. SURVEY AND AERIAL WERE PRODUCED
PLANE (2500) U.S. SURVEY FEET (MT83F) AND VERTICAL DATUM LOCAL PROJECT DATUM.
1. CONTOURS AS SHOWN ARE IN HORIZONTAL DATUM NAD83 MONTANA STATE
40'0 20'
EXISTING CONDITIONS
24-INCH CMP CULVERT
OVERHEAD POWER LINES
CHANNEL FLUME
WEST RELIEF WELL
CHANNEL FLUME
EAST RELIEF WELL
TOE DRAIN OUTFALL
SLOTTED 18-INCH CMP
TOE DRAIN OUTFALL
SOLID 18-INCH CMP
PD22-02
PD22-01
B
C
D
E
F
G
H
J
K
L
M
N
P
S U
B M
IT
T
E D
B Y
C H
E C
K E
D B
Y
D R
A W
N B
Y
D E
S
IG
N E
D B
Y
C O
N T
R A
C T
N O
S O
L
IC
IT
A
T
IO
N N
O
IS
S
U E
D A
T E
S I Z
E
M A
R K
D E
S C
R
IP
T
IO
N D
A T
TW
R1 8+
R1 9+
R2 0+
R3 0+
6B
7A
PD 55/19.5
BH22-05
PD 56.25/20 #8
7B
BH22-06
8B
8A
PD 57/19.5
BH22-04
BH22-02
PD22-02
PD22-01
PD 57/17.9-D
BH22-01
BH22-03
R T
P E
C K
D A
M A
N D
R E
S E
R V
O
IR
F O
R T
P E
C K
M
O N
T A
N A
T O
E D
R A
IN
O
U T
F A
L L
R E
P A
IR
A
N D
M O
N
IT
O R
IN
G
S Y
S T
E M
A N
S I
D
M A
R C
H
Z X
X X
X X
X X
X X
X X
O M
A H
A D
IS
T
R
F
B
A H
A
N E
C A
P
IT
O L
A
E N
U M
B E
R
F
IL
E N
A M
E
A
R K
P L
A N
C-101
E O
F
B
C
-1 .d
U .S
A
R M
Y C
O R
P S
O F
E N
G
IN
E E
R S
40'0 20'
WHERE DISTURBED DURING CONSTRUCTION.
MUST BE PLACED TO EXTENTS SHOWN ON PROFILES, SECTIONS, AND DETAILS, AND
8. RIPRAP AND BEDDING EXTENTS ARE NOT SHOWN ON THIS SHEET. RIPRAP AND BEDDING
MANHOLES, AND FLOW METER READOUT ARE PROVIDED ON SHEET C-503.
7. COORDINATES, ELEVATIONS, AND OTHER PERTINENT INFORMATION FOR PIPES,
SPECIFICATION SECTION 33 26 00.
TEST INFORMATION FOR PD22-01 AND PD22-02 ARE PROVIDED AS AN ATTACHMENT IN
6. BORING LOGS AND LAB TEST INFORMATION FOR BH22-01 THROUGH BH22-06 AND PUMP
SECTION 32 92 19.
EROSION CONTROL BLANKET, AND MEET ALL OTHER REQUIREMENTS PER SPECIFICATION
5. AFTER FINAL GRADING, ALL DISTURBED AREAS MUST BE SEEDED, PROTECTED WITH
WITH DISCHARGE FLOW RATES.
DIRECTED BY THE COR. SEE SHEETS G-F01 AND G-F02 FOR INFORMATION ONLY DRAWINGS
AT OR BELOW THOSE ENCOUNTERED PRIOR TO THE START OF CONSTRUCTION OR AS
CONSTRUCTION. WATER SURFACE ELEVATIONS OF THE CHANNELS MUST BE MAINTAINED
FROM THE FLUMES AND DROP INLET STRUCTURE "B" AND INTO DUCK CREEK DURING
4. FLOWS FROM THE EAST AND WEST RELIEF WELL CHANNELS MUST BE DIVERTED AWAY
FINAL DEWATERING PLAN AS APPROVED BY THE COR.
SUBSURFACE EXPLORATION AND TESTING TO BE USED IN DEVELOPMENT OF THE
PLAN ASSUMPTIONS AND DESIGN. THE CONTRACTOR MAY ALSO PERFORM ADDITIONAL
ADDITIONAL AQUIFER PERFORMANCE TESTING TO VERIFY THE DEWATERING
3. PUMPING WELL AND MONITORING PIEZOMETERS ARE AVAILABLE TO PERFORM
SEE SHEET V-101 FOR SURVEY CONTROL DATA. SURVEY WAS PRODUCED IN 2021.
PLANE (2500) U.S. SURVEY FEET (MT83F) AND VERTICAL DATUM LOCAL PROJECT DATUM.
2. CONTOURS AS SHOWN ARE IN HORIZONTAL DATUM NAD83 MONTANA STATE
OVERALL SITE DRAINAGE MUST MATCH PRE-CONSTRUCTION CONDITIONS AS SHOWN.
1. FINAL GRADING REQUIREMENTS ARE SHOWN ON SHEETS C-201, C-202, C-301, AND C-501.
NOTES:
A C -2
C -1
A C -2
C -1
F C-
C-
2C-
F C-
C-
2C-
D C-
C-
1C-
D C-
C-
1C-
E C-
C-
1C-
E C-
C-
1C-
C C -2
C -1
(SEE SHEET C-201)
BASE CONTRACT: REMOVE EXISTING WEIR BOX
(SEE SHEET C-201)
CMP RISER WITH PRECAST MANHOLE
BASE CONTRACT: REPLACE EXISTING 15-INCH
(PIPE NO. 4, 5, AND 6) (SEE SHEET C-202)
36-INCH CORRUGATED HDPE PIPES
OPTION 1: REPLACE EXISTING 36-INCH CMP CULVERTS WITH
(PIPE NO. 3) (SEE SHEET C-202)
24-INCH CORRUGATED HDPE PIPE
OPTION 1: REPLACE EXISTING 24-INCH CMP CULVERT WITH
B /C
C -2
C -1
B C -2
C -1
G C-
C-
2C-
G C-
C-
2C-
WORK PLAN
(PIPE NO. 1) (SEE SHEET C-201)
DRAIN OUTFALL WITH PERFORATED 18-INCH CORRUGATED HDPE PIPE
BASE CONTRACT: REPLACE EXISTING PERFORATED 18-INCH CMP TOE
EXISTING DROP INLET STRUCTURE "B"
EXISTING DROP INLET STRUCTURE "A"
ROCK
UNDERGROUND PIPE
OVERHEAD POWERLINE
BOTTOM OF DITCH
ROAD CENTERLINE
EDGE OF ROAD
MINOR CONTOUR
MAJOR CONTOUR
FLOW METER READOUT
METERING MANHOLE
PRECAST MANHOLE
CMP RISER
BORING HOLE
RELIEF WELL
PIEZOMETER
POWERPOLE
LEGEND
OVERHEAD POWER LINES
DUCK CREEK
ACCESS ROAD CENTERLINE
TOE ROAD CENTERLINE
(SEE SHEET C-504 FOR NEW FLUME DETAILS)
OPTION 2: REPLACE EXISTING WEST RELIEF WELL CHANNEL FLUME (SEE NOTE 4)
EXISTING EAST RELIEF WELL CHANNEL FLUME (SEE NOTE 4)
(SEE SHEET C-201)
BASE CONTRACT: INSTALL NEW METERING MANHOLE
(PIPE NO. 2) (SEE SHEET C-201)
DRAIN OUTFALL WITH SOLID 18-INCH CORRUGATED HDPE PIPE
BASE CONTRACT: REPLACE EXISTING SOLID 18-INCH CMP TOE
H C-
C-
1C-
H C-
C-
1C-
(SEE SHEET C-505)
BASE CONTRACT: INSTALL NEW FLOW METER READOUT
TW
U
MH-2
MH-1
MH-1
MH-2
FMR
FMR
B
C
D
E
F
G
H
J
K
L
M
N
P
S U
B M
IT
T
E D
B Y
C H
E C
K E
D B
Y
D R
A W
N B
Y
D E
S
IG
N E
D B
Y
C O
N T
R A
C T
N O
S O
L
IC
IT
A
T
IO
N N
O
IS
S
U E
D A
T E
S I Z
E
M A
R K
D E
S C
R
IP
T
IO
N D
A T
E
SHEET ID
1V:
3H
E L
E V
A T
IO
N
F
E E
T L
P D
R18+00 R18+20 R18+40 R18+60 R18+80R17+80R17+60
(SEE SHEET C-502 FOR DETAILS)
WITH NEW PRECAST MANHOLE (MH-1)
REPLACE EXISTING 15-INCH CMP RISER
PERFORATED TOE DRAIN OUTFALL (SEE NOTE 8)
72'(SEE NOTE 10)
TOE DRAIN OUTFALL INVERT EL. 2041.7 FT LPD
R17+40
STATION (FEET)
E L
E V
A T
IO
N
F
E E
T L
P D
R17+20
178.5' (S E
E M
A T
C H
L
IN
E
O N
T H
IS
S
H E
E T
SLOPE 0.5%SLOPE 0.6%
(SEE NOTE 14)
EXCAVATE AT ANGLE OF REPOSE
SURFACE
EXISTING GROUND
E L
E V
A T
IO
N
F
E E
T L
P D
R19+20 R19+40 R19+60 R19+80 R20+00 R20+20R19+00
BACKFILL REQUIREMENTS)
(SEE DETAIL B ON SHEET C-501 FOR
SOLID TOE DRAIN OUTFALL (SEE NOTE 9)
FOR MANHOLE DETAILS)
(SEE SHEET C-502
METERING MANHOLE (MH-2)
INSTALL NEW
R20+40 R20+60
STATION (FEET)
E L
E V
A T
IO
N
F
E E
T L
P D
(S E
E M
A T
C H
L
IN
E
O N
T H
IS
S
H E
E T
178.5'
(SEE NOTE 12)
ACCESS ROAD
1V:3H
1V:
3H
1V:3H
R18+80
SLOPE 0.5%
.5
FOR BACKFILL REQUIREMENTS)
(SEE DETAIL A ON SHEET C-501
FILTER AGGREGATE
RANDOM FILL
(SEE NOTE 6)
6" TOPSOIL
(SEE NOTE 6)
6" TOPSOIL
(SEE NOTE 13)
FLARED END
BACKFILL REQUIREMENTS)
(SEE DETAIL B ON SHEET C-501 FOR
SOLID TOE DRAIN OUTFALL (SEE NOTE 9)
DUCK CREEK
EXCAVATION LIMITS IN
AND BEDDING BEYOND
PROTECT EXISTING RIPRAP
EL. 2039.0 FT LPD
1V:6H 1V:50H
.5
(SEE NOTE 10)
TOE DRAIN OUTFALL INVERT EL. 2041.3 FT LPD
INVERT EL. 2040.4 FT LPD
TOE DRAIN OUTFALL
SLOPE 0.5%
(SEE NOTE 5)
OF TOE DRAIN GRAVEL
APPROXIMATE EXTENTS
(SEE NOTE 1)
ON 6 INCHES OF BEDDING
12 INCHES OF RIPRAP
(SEE NOTE 6)
6" TOPSOIL
AND S-502)
(SEE SHEET C-502
STEEL GRATES
THREE STAINLESS
REQUIREMENTS
C-501 FOR BACKFILL
(SEE DETAIL G ON SHEET
FINE FILTER AGGREGATE
AND DROP INLET STRUCTURE "A"
GRADE TO DRAIN TOWARDS EXISTING SWALE
D
C -3
C -2
C -1
D
C -3
C -2
C -1
E
C -3
C -2
C -1
E
C -3
C -2
C -1
H
C -3
C -2
C -1
H
C -3
C -2
C -1
(SEE NOTE 11)
TOE ROADSTRUCTURE "A" (OFFSET)
PROTECT EXISTING DROP INLET
(SEE SHEET C-202 FOR PROFILE)
ONE 24-INCH CULVERT (OFFSET)
(SEE SHEET C-202 FOR PROFILE)
THREE 36-INCH CULVERTS (OFFSET)
(OFFSET)
STRUCTURE "B"
DROP INLET
EXISTING
PROTECT
(SEE NOTE 1)
6 INCHES OF BEDDING
10 INCHES OF RIPRAP ON
(SEE NOTE 6)
6" TOPSOIL
R T
P E
C K
D A
M A
N D
R E
S E
R V
O
IR
F O
R T
P E
C K
M
O N
T A
N A
T O
E D
R A
IN
O
U T
F A
L L
R E
P A
IR
A
N D
M O
N
IT
O R
IN
G
S Y
S T
E M
A N
S I
D
M A
R C
H
Z X
X X
X X
X X
X X
X X
O M
A H
A D
IS
T
R
F
B
A H
A
N E
C A
P
IT
O L
A
E N
U M
B E
R
F
IL
E N
A M
E
A
H
E E
T
O F
P R
O F
IL
E
S
C-201
E O
F
B
C
-2 .d
U .S
A
R M
Y C
O R
P S
O F
E N
G
IN
E E
R S
A
C-201C-101 20'0 10'
PROFILE - TOE DRAIN OUTFALL (PIPE NO. 1 AND 2)
SHORING PLAN SUBMITTAL AND THE COR.
FOR EXCAVATION. VERTICAL EXCAVATION AND TRENCH BOXES AND/OR OTHER MEANS OR METHODS MAY BE USED, SUBJECT TO APPROVAL OF THE
14. THE EXCAVATION AND SLOPES SHOWN ARE FOR VISUAL REFERENCE ONLY. ALL EXCAVATIONS MUST MEET ALL FEDERAL AND OSHA REQUIREMENTS
13. REPLACE EXISTING WEIR BOX WITH NEW FLARED END. SEE DETAIL E ON SHEET C-501.
12. SEE DETAIL D ON SHEET C-501 FOR ACCESS ROAD EMBANKMENT BACKFILL AND SLOPE PROTECTION REQUIREMENTS.
11. SEE DETAIL C ON SHEET C-501 FOR TOE ROAD EMBANKMENT BACKFILL AND SLOPE PROTECTION REQUIREMENTS.
10. SEE SHEET S-502 FOR MANHOLE CONNECTION DETAILS.
SEE SECTION E ON SHEET C-301 FOR BACKFILL REQUIREMENTS.
9. REPLACE EXISTING SOLID 18-INCH DIAMETER CMP WITH NEW SOLID 18-INCH DIAMETER CORRUGATED HDPE (PIPE NO. 2).
SEE SECTION D ON SHEET C-301 FOR BACKFILL REQUIREMENTS.
8. REPLACE EXISTING PERFORATED 18-INCH DIAMETER CMP WITH NEW PERFORATED 18-INCH DIAMETER CORRUGATED HDPE (PIPE NO. 1).
NOTES: (CONTINUED)
FLOWABLE FILL REQUIREMENTS.
ADDITIONAL PRECAUTIONS MUST BE MADE TO PREVENT UPLIFT OF THE PIPES. SEE SPECIFICATION SECTION 03 30 53 FOR ADDITIONAL
THE SPRINGLINE OF THE HIGHEST PIPE(S), WHICH WILL CAUSE FLOWABLE FILL TO GO ABOVE THE SPRINGLINE OF THE LOWER PIPE(S).
FOR LOCATIONS WHERE SOLID HDPE PIPES REQUIRING FLOWABLE FILL ARE AT DIFFERENT ELEVATIONS, PLACE FLOWABLE FILL UP TO
HALFWAY POINT TO THE SPRINGLINE. SUFFICIENT TIME BETWEEN POURS MUST OCCUR TO ALLOW THE FIRST POUR TO PROPERLY SET.
POURS. FOR EXAMPLE, THE FIRST TO THE HALFWAY POINT BETWEEN THE INVERT AND THE SPRINGLINE, AND THE SECOND FROM THE
AND ANCHORED TO RESIST THE UPLIFT FORCES OF THE FLOWABLE FILL. FLOWABLE FILL PLACEMENT MUST TAKE PLACE AS 2 SEPARATE
UPLIFT OF THE PIPES DURING FLOWABLE FILL PLACEMENT, EACH SOLID HDPE PIPE MUST BE PLACED ON 6 INCH TALL CONCRETE BLOCKS
7. PLACE FLOWABLE FILL 6 INCHES BELOW THE INVERT AND UP TO AT LEAST THE SPRINGLINE OF THE SOLID HDPE PIPES. TO PREVENT
OTHER REQUIREMENTS PER SPECIFICATION SECTION 32 92 19.
6. AFTER FINAL GRADING, ALL DISTURBED AREAS MUST BE SEEDED, PROTECTED WITH EROSION CONTROL BLANKET, AND MEET ALL
GRATES SHOWN ON SHEET C-502 TO PREVENT TOE DRAIN GRAVEL FROM PASSING THROUGH THE GRATES.
EXISTING CONDITIONS OR AS DIRECTED BY COR. HAND PLACE TOE DRAIN GRAVEL LARGER THAN 4 INCHES IN DIAMETER AGAINST THE
5. EXTENTS OF EXISTING TOE DRAIN GRAVEL ARE UNKNOWN AND BACKFILL OF TOE DRAIN GRAVEL MUST BE FIELD FIT TO MATCH
SAME LOCATION. SEE SHEET C-503 FOR PIPE AND MANHOLE SCHEDULE.
4. EXISTING PIPES AND FEATURES ARE NOT SHOWN IN PROFILE BECAUSE NEW PIPES AND FEATURES ARE IN APPROXIMATELY THE
INLET OF THE TOE DRAIN SHOULD BE ANTICIPATED TO CAPTURE AND DIVERT FLOWS AWAY FROM THE GRAVEL TOE OF THE DAM.
FOR ADDITIONAL DEWATERING REQUIREMENTS. IN ADDITION TO THE DEWATERING SYSTEM, THE PLACEMENT OF SUMP PUMPS NEAR THE
3. GROUNDWATER LEVELS MUST BE KEPT A MINIMUM OF 2 FEET BELOW EXCAVATION DEPTHS. SEE SPECIFICATION SECTION 33 26 00
2. SEE SPECIFICATION SECTION 33 46 16 FOR PIPE AND MANHOLE REQUIREMENTS.
1. SEE SPECIFICATION SECTION 02 31 60 AND 35 31 19.00 FOR MATERIAL REQUIREMENTS.
B
C
D
E
F
G
H
J
K
L
M
N
P
S U
B M
IT
T
E D
B Y
C H
E C
K E
D B
Y
D R
A W
N B
Y
D E
S
IG
N E
D B
Y
C O
N T
R A
C T
N O
S O
L
IC
IT
A
T
IO
N N
O
IS
S
U E
D A
T E
S I Z
E
M A
R K
D E
S C
R
IP
T
IO
N D
A T
E
SHEET ID
E L
E V
A T
IO
N
F
E E
T L
P D
E L
E V
A T
IO
N
F
E E
T L
P D
G
C -3
C -2
C -1
G
C -3
C -2
C -1
SLOPE 2%
ACCESS ROAD
1V:
3H 1V:3H
E L
E V
A T
IO
N
F
E E
T L
P D
E L
E V
A T
IO
N
F
E E
T L
P D
71.2'
ON SHEET S-501)
(SEE CONNECTION DETAIL
INVERT EL. 2043.5
S-501)
DETAIL ON SHEET
(SEE CONNECTION
INVERT EL. 2040.0
SLOPE 5%
(SEE NOTE 7 AND 8)
OPTION 1: REPLACE 24-INCH CULVERT
TOE ROAD
1V:
3H
1V:3H
STRUCTURE "A"
DROP INLET
PROTECT EXISTING
INLET STRUCTURE "B"
PROTECT EXISTING DROP
F
C -3
C -2
C -1
F
C -3
C -2
C -1
DUCK CREEK
EL. 2039.0 FT LPD
BEYOND EXCAVATION LIMITS
PROTECT EXISTING RIPRAP AND BEDDING
THIS SHEET)
(SEE PROFILE ON
36-INCH CULVERTS
R19+20 R19+40 R19+60 R19+80R19+00
STATION (FEET)
R18+80
R19+60 R19+80 R20+00 R20+20 R20+40
STATION (FEET)
R20+00
R20+60
(SEE SHEET C-201 FOR PROFILE)
SOLID TOE DRAIN OUTFALL
(SEE SHEET C-201 FOR PROFILE)
SOLID TOE DRAIN OUTFALL
(SEE NOTE 1)
ON 6 INCHES OF BEDDING
12 INCHES OF RIPRAP
(SEE NOTE 5)
6" TOPSOIL
(SEE NOTE 5)
6" TOPSOIL
(SEE NOTE 1)
6 INCHES OF BEDDING
10 INCHES OF RIPRAP ON
54'
ON SHEET S-501)
(SEE CONNECTION DETAIL
INVERT EL. 2040.0
INVERT EL. 2039.0
(SEE NOTE 9 AND 10)
OPTION 1: REPLACE 36-INCH CULVERTS
STRUCTURE "B"
DROP INLET
EXISTING
PROTECT
ON SHEET C-501)
FLARED END (SEE DETAIL E
THIS SHEET)
(SEE PROFILE ON
24-INCH CULVERT
(SEE NOTE 1)
6 INCHES OF BEDDING
10 INCHES OF RIPRAP ON
R T
P E
C K
D A
M A
N D
R E
S E
R V
O
IR
F O
R T
P E
C K
M
O N
T A
N A
T O
E D
R A
IN
O
U T
F A
L L
R E
P A
IR
A
N D
M O
N
IT
O R
IN
G
S Y
S T
E M
A N
S I
D
M A
R C
H
Z X
X X
X X
X X
X X
X X
O M
A H
A D
IS
T
R
F
B
A H
A
N E
C A
P
IT
O L
A
E N
U M
B E
R
F
IL
E N
A M
E
A
H
E E
T
O F
P R
O F
IL
E
S
C-202
E O
F
B
C
-2 .d
U .S
A
R M
Y C
O R
P S
O F
E N
G
IN
E E
R S
B
C-202C-101 20'0 10'
PROFILE - 24-INCH CULVERT (PIPE NO. 3)
C
C-201C-101 20'0 10'
PROFILE - 36-INCH CULVERTS (PIPE NO. 4, 5, AND 6)
(PIPE NO. 4, 5, & 6). SEE SECTION F ON SHEET C-301 FOR BACKFILL REQUIREMENTS.
10. REPLACE THREE EXISTING 36-INCH DIAMETER CMP CULVERTS WITH THREE NEW SOLID 36-INCH DIAMETER CORRUGATED HDPE PIPES
9. SEE DETAIL D ON SHEET C-501 FOR ACCESS ROAD EMBANKMENT BACKFILL AND SLOPE PROTECTION REQUIREMENTS.
SEE SECTION F ON SHEET C-301 FOR BACKFILL REQUIREMENTS.
8. REPLACE EXISTING 24-INCH DIAMETER CMP CULVERT WITH NEW SOLID 24-INCH DIAMETER CORRUGATED HDPE PIPE (PIPE NO. 3).
7. SEE DETAIL C ON SHEET C-501 FOR TOE ROAD EMBANKMENT BACKFILL AND SLOPE PROTECTION REQUIREMENTS.
NOTES: (CONTINUED)
FLOWABLE FILL REQUIREMENTS.
ADDITIONAL PRECAUTIONS MUST BE MADE TO PREVENT UPLIFT OF THE PIPES. SEE SPECIFICATION SECTION 03 30 53 FOR ADDITIONAL
SPRINGLINE OF THE HIGHEST PIPE(S), WHICH WILL CAUSE FLOWABLE FILL TO GO ABOVE THE SPRINGLINE OF THE LOWER PIPE(S).
FOR LOCATIONS WHERE SOLID HDPE PIPES REQUIRING FLOWABLE FILL ARE AT DIFFERENT ELEVATIONS, PLACE FLOWABLE FILL UP TO THE
HALFWAY POINT TO THE SPRINGLINE. SUFFICIENT TIME BETWEEN POURS MUST OCCUR TO ALLOW THE FIRST POUR TO PROPERLY SET.
POURS. FOR EXAMPLE, THE FIRST TO THE HALFWAY POINT BETWEEN THE INVERT AND THE SPRINGLINE, AND THE SECOND FROM THE
AND ANCHORED TO RESIST THE UPLIFT FORCES OF THE FLOWABLE FILL. FLOWABLE FILL PLACEMENT MUST TAKE PLACE AS 2 SEPARATE
UPLIFT OF THE PIPES DURING FLOWABLE FILL PLACEMENT, EACH SOLID HDPE PIPE MUST BE PLACED ON 6 INCH TALL CONCRETE BLOCKS
6. PLACE FLOWABLE FILL 6 INCHES BELOW THE INVERT AND UP TO AT LEAST THE SPRINGLINE OF THE SOLID HDPE PIPES. TO PREVENT
OTHER REQUIREMENTS PER SPECIFICATION SECTION 32 92 19.
5. AFTER FINAL GRADING, ALL DISTURBED AREAS MUST BE SEEDED, PROTECTED WITH EROSION CONTROL BLANKET, AND MEET ALL
SAME LOCATION. SEE SHEET C-503 FOR PIPE AND MANHOLE SCHEDULE.
4. EXISTING PIPES AND FEATURES ARE NOT SHOWN IN PROFILE BECAUSE NEW PIPES AND FEATURES ARE IN APPROXIMATELY THE
INLET OF THE TOE DRAIN SHOULD BE ANTICIPATED TO CAPTURE AND DIVERT FLOWS AWAY FROM THE GRAVEL TOE OF THE DAM.
FOR ADDITIONAL DEWATERING REQUIREMENTS. IN ADDITION TO THE DEWATERING SYSTEM, THE PLACEMENT OF SUMP PUMPS NEAR THE
3. GROUNDWATER LEVELS MUST BE KEPT A MINIMUM OF 2 FEET BELOW EXCAVATION DEPTHS. SEE SPECIFICATION SECTION 33 26 00
2. SEE SPECIFICATION SECTION 33 46 16 FOR PIPE AND DROP INLET STRUCTURE REQUIREMENTS.
1. SEE SPECIFICATION SECTION 02 31 60 AND 35 31 19.00 FOR MATERIAL REQUIREMENTS.
B
C
D
E
F
G
H
J
K
L
M
N
P
S U
B M
IT
T
E D
B Y
C H
E C
K E
D B
Y
D R
A W
N B
Y
D E
S
IG
N E
D B
Y
C O
N T
R A
C T
N O
S O
L
IC
IT
A
T
IO
N N
O
IS
S
U E
D A
T E
S I Z
E
M A
R K
D E
S C
R
IP
T
IO
N D
A T
E
SHEET ID
E L
E V
A T
IO
N
F
E E
T L
P D
E L
E V
A T
IO
N
F
E E
T L
P D
40-40 -20 0 20
DISTANCE (FEET)
EXISTING GROUND SURFACE
(SEE DETAIL A ON SHEET C-501)
FINE FILTER AGGREGATE
(SEE NOTE 7)
PERFORATED TOE DRAIN OUTFALL
6" TOPSOIL (SEE NOTE 5)
E L
E V
A T
IO
N
F
E E
T L
P D
E L
E V
A T
IO
N
F
E E
T L
P D
40-40 -20 0 20
DISTANCE (FEET)
EXISTING GROUND SURFACE
(SEE NOTE 8)
SOLID TOE DRAIN OUTFALL
6" TOPSOIL (SEE NOTE 5)
4.1'
3.5'
(SEE NOTE 10)
36-INCH CULVERTS
OPTION 1:
(SEE NOTE 11)
ANGLE OF REPOSE
(SEE NOTE 11)
ANGLE OF REPOSE
RANDOM FILL
(SEE DETAIL D ON SHEET C-501)
ACCESS ROAD
E L
E V
A T
IO
N
F
E E
T L
P D
E L
E V
A T
IO
N
F
E E
T L
P D
40-40 -20 0 20
DISTANCE (FEET)
4.7' 4.7'
(SEE NOTE 8)
SOLID TOE DRAIN OUTFALL
BASE CONTRACT:
E L
E V
A T
IO
N
F
E E
T L
P D
E L
E V
A T
IO
N
F
E E
T L
P D
40-40 -20 0 20
DISTANCE (FEET)
(SEE NOTE 9)
24-INCH CULVERT
OPTION 1:
(SEE NOTE 11)
ANGLE OF REPOSE
(SEE NOTE 11)
ANGLE OF REPOSE
RANDOM FILL
1'
1'
1'
(SEE DETAIL C ON SHEET C-501)
TOE ROAD
(SEE NOTE 8)
SOLID TOE DRAIN OUTFALL
BASE CONTRACT:
1'
6" ROAD SURFACING
1'
1'
6" ROAD SURFACING
FLOWABLE FILL (SEE NOTE 6)
(SEE NOTE 6)
FLOWABLE FILL
(SEE NOTE 11)
ANGLE OF REPOSE
EXISTING ROAD SURFACING
EXISTING ROAD SURFACING
(SEE NOTE 11)
ANGLE OF REPOSE
.5
.5
.5
.5
E L
E V
A T
IO
N
F
E E
T L
P D
E L
E V
A T
IO
N
F
E E
T L
P D
40-40 -20 0 20
DISTANCE (FEET)
10 INCHES OF RIPRAP
6 INCHES OF BEDDING
RANDOM FILL
FLOWABLE FILL (SEE NOTE 6)
(SEE SHEET C-504)
RELIEF WELL CHANNEL FLUME
REPLACE EXISTING WEST
OPTION 2:
DAMAGE)
(PROTECT FROM
CHANNEL FLUME
RELIEF WELL
EXISTING EAST
R T
P E
C K
D A
M A
N D
R E
S E
R V
O
IR
F O
R T
P E
C K
M
O N
T A
N A
T O
E D
R A
IN
O
U T
F A
L L
R E
P A
IR
A
N D
M O
N
IT
O R
IN
G
S Y
S T
E M
A N
S I
D
N O
V E
M B
E R
Z X
X X
X X
X X
X X
X X
O M
A H
A D
IS
T
R
A H
A , N
E
C
A P
IT
O L A
E N
U M
B E R
F
IL
E N
A M
B a se
F ile .d
U .S
A
R M
Y C
O R
P S
O F
E N
G
IN
E E
R S
NOTES:
1. SEE SPECIFICATION SECTION 03 30 53 FOR CONCRETE REQUIREMENTS.
2. THE NEW WEST RELIEF WELL CHANNEL FLUME WILL BE GOVERNMENT
FURNISHED.
3. INSTALLATION MUST BE IN ACCORDANCE WITH THE MANUFACTURER'S
REQUIREMENTS AND RECOMMENDATIONS.
4. THE EXISTING WEST RELIEF WELL CHANNEL FLUME MUST BE REMOVED
AND DISPOSED OF OFF-SITE. THE NEW WEST RELIEF WELL CHANNEL FLUME
MUST BE INSTALLED IN THE LOCATION OF THE EXISTING FLUME AND PER THE
REQUIREMENTS ON THIS SHEET. CARE MUST BE EXERCISED AS TO NOT
INADVERTENTLY REMOVE AND REPLACE THE EAST RELIEF WELL CHANNEL
FLUME WHICH MUST BE PROTECTED.
5. TEMPORARY SUMPS AND PUMPS MUST BE USED TO MAINTAIN A DRY
EXCAVATION IN ADDITION TO THE DEWATERING SYSTEM.
6. CONCRETE PIERS MUST BE USED TO ENSURE THE FLUME DOES NOT
MOVE DURING INSTALLATION AS A RESULT OF CONCRETE PLACEMENT
AROUND THE FLUME. THE TOP 6 INCHES OF THE CONCRETE PIERS AND
THREADED BOLTS MUST BE REMOVED AND BACKFILLED WITH TOPSOIL
AFTER FLUME INSTALLATION IS COMPLETE.
EL. 2044.22 FT LPD
8"
8"
"CONCRETE
OPTION 2: NEW WEST RELIEF WELL CHANNEL FLUME
EL. 2043.97 FT LPD
APPROVED BY THE COR. (SEE NOTE 6)
BE PLACED OUTSIDE OF THE EXCAVATION AS
WITH THREADED BOLT CAST IN CENTER. PIERS MUST
6-INCH DIAMETER BY 36-INCH DEEP CONCRETE PIERS
CONCRETE
FLOW
FLOW
/4
3'
'MEASUREMENT
Ha POINT OF
FLUME
RELIEF WELL CHANNEL
OPTION 2: NEW WEST
APPROVED BY THE COR. (SEE NOTE 6)
BE PLACED OUTSIDE OF THE EXCAVATION AS
WITH THREADED BOLT CAST IN CENTER. PIERS MUST
6-INCH DIAMETER BY 36-INCH DEEP CONCRETE PIERS
B
C -5
C -5
B
C -5
C -5
B
C-504C-504
SECTION B - NEW FLUME
CONCRETE
A
C -5
C -5
A
C -5
C -5
8" 8"
CHANNEL FLUME
RELIEF WELL
NEW WEST
OPTION 2:
CHANNEL FLUME
RELIEF WELL
NEW WEST
OPTION 2:
8" 8"
A
C-504C-504
SECTION A - NEW FLUME
CONCRETE
NO SCALE
PLAN - NEW FLUME
NO SCALE
PROFILE - NEW FLUME
NO SCALE NO SCALE
8" 4'-4 7/8" 2' 3'
8"
8"
8"
AT 30° AS SHOWN
EXTEND 18" BELOW THE FLUME, AND BE ANGLED
ALL WINGWALLS MUST EXTEND TO TOP OF FLUME,
30°
DAMAGE)
(PROTECT FROM
STRUCTURE "B"
EXISTING DROP INLET
BACKFILL REQUIREMENTS
SEE DETAIL F ON SHEET C-501 FOR
EXISTING RELIEF WELL CHANNEL BOTTOM
(SEE NOTE 8)
SOLID TOE DRAIN OUTFALL
BASE CONTRACT:
(SEE DETAIL A ON SHEET C-501)
COARSE FILTER AGGREGATE
(THICKNESS VARIES)
RANDOM FILL (SEE DETAIL B ON SHEET C-501)
RANDOM FILL
FLOWABLE FILL (SEE NOTE 6)
R T
P E
C K
D A
M A
N D
R E
S E
R V
O
IR
F O
R T
P E
C K
M
O N
T A
N A
T O
E D
R A
IN
O
U T
F A
L L
R E
P A
IR
A
N D
M O
N
IT
O R
IN
G
S Y
S T
E M
A N
S I
D
M A
R C
H
Z X
X X
X X
X X
X X
X X
O M
A H
A D
IS
T
R
F
B
A H
A
N E
C A
P
IT
O L
A
E
N U
M B
E R
F
IL
E N
A M
E
A
C T
IO
N
S
C-301
E O
F
B
C
-3 .d g n
E
U .S
A
R M
Y C
O R
P S
O F
E N
G
IN
E E
R S
D
C-301 C-201 C-101
20'0 10'
TYPICAL SECTION - BACKFILL FOR PERFORATED TOE DRAIN OUTFALL E
C-301 C-201 C-101
20'0 10'
TYPICAL SECTION - BACKFILL FOR SOLID TOE DRAIN OUTFALL
F
C-301 C-202 C-101
20'0 10'
TYPICAL SECTION - BACKFILL FOR TOE ROAD EMBANKMENT G
C-301 C-202 C-101
20'0 10'
TYPICAL SECTION - BACKFILL FOR ACCESS ROAD EMBANKMENT
VERTICAL EXCAVATION AND TRENCH BOXES AND/OR OTHER MEANS OR METHODS MAY BE USED, SUBJECT TO APPROVAL OF THE SHORING PLAN SUBMITTAL AND THE COR.
11. THE EXCAVATION AND SLOPES SHOWN ARE FOR VISUAL REFERENCE ONLY. ALL EXCAVATIONS MUST MEET ALL FEDERAL AND OSHA REQUIREMENTS FOR EXCAVATION.
SEE PROFILE ON SHEET C-202.
10. REPLACE THREE EXISTING 36-INCH DIAMETER CMP CULVERTS WITH NEW SOLID 36-INCH DIAMETER CORRUGATED HDPE PIPES. INVERT ELEVATION VARIES.
SEE PROFILE ON SHEET C-202.
9. REPLACE ONE EXISTING 24-INCH DIAMETER CMP CULVERT WITH NEW SOLID 24-INCH DIAMETER CORRUGATED HDPE PIPE. INVERT ELEVATION VARIES.
SEE PROFILE ON SHEET C-201.
8. REPLACE EXISTING SOLID 18-INCH DIAMETER CMP WITH NEW PERFORATED 18-INCH DIAMETER CORRUGATED HDPE PIPE. INVERT ELEVATION VARIES.
SEE PROFILE ON SHEET C-201.
7. REPLACE EXISTING PERFORATED 18-INCH DIAMETER CMP WITH NEW PERFORATED 18-INCH DIAMETER CORRUGATED HDPE PIPE. INVERT ELEVATION VARIES.
SEE SPECIFICATION SECTION 03 30 53 FOR ADDITIONAL FLOWABLE FILL REQUIREMENTS.
WHICH WILL CAUSE FLOWABLE FILL TO GO ABOVE THE SPRINGLINE OF THE LOWER PIPE(S). ADDITIONAL PRECAUTIONS MUST BE MADE TO PREVENT UPLIFT OF THE PIPES.
LOCATIONS WHERE SOLID HDPE PIPES REQUIRING FLOWABLE FILL ARE AT DIFFERENT ELEVATIONS, PLACE FLOWABLE FILL UP TO THE SPRINGLINE OF THE HIGHEST PIPE(S), AND THE SECOND FROM THE HALFWAY POINT TO THE SPRINGLINE. SUFFICIENT TIME BETWEEN POURS MUST OCCUR TO ALLOW THE FIRST POUR TO PROPERLY SET. FOR
FILL. FLOWABLE FILL PLACEMENT MUST TAKE PLACE AS 2 SEPARATE POURS. FOR EXAMPLE, THE FIRST TO THE HALFWAY POINT BETWEEN THE INVERT AND THE SPRINGLINE, FLOWABLE FILL PLACEMENT, EACH SOLID HDPE PIPE MUST BE PLACED ON 6 INCH TALL CONCRETE BLOCKS AND ANCHORED TO RESIST THE UPLIFT FORCES OF THE FLOWABLE
6. PLACE FLOWABLE FILL 6 INCHES BELOW THE INVERT AND UP TO AT LEAST THE SPRINGLINE OF THE SOLID HDPE PIPES. TO PREVENT UPLIFT OF THE PIPES DURING
REQUIREMENTS PER SPECIFICATION SECTION 32 92 19.
5. AFTER FINAL GRADING, ALL DISTURBED AREAS MUST BE SEEDED, PROTECTED WITH EROSION CONTROL BLANKET, AND MEET ALL OTHER
4. SEE SHEET C-503 FOR PIPE AND MANHOLE SCHEDULE.
REQUIREMENTS.
3. GROUNDWATER LEVELS MUST BE KEPT A MINIMUM OF 2 FEET BELOW EXCAVATION DEPTHS. SEE SPECIFICATION SECTION 33 26 00 FOR ADDITIONAL DEWATERING
2. SEE SPECIFICATION SECTION 33 46 16 FOR PIPE AND MANHOLE REQUIREMENTS.
1. SEE SPECIFICATION SECTION 02 31 60 AND 35 31 19.00 FOR MATERIAL REQUIREMENTS.
NOTES:
H
C-301 C-201 C-101
20'0 10'
TYPICAL SECTION - BACKFILL FOR SOLID TOE DRAIN IN RELIEF WELL CHANNEL
B
C
D
E
F
G
H
J
K
L
M
N
P
S U
B M
IT
T
E D
B Y
C H
E C
K E
D B
Y
D R
A W
N B
Y
D E
S
IG
N E
D B
Y
C O
N T
R A
C T
N O
S O
L
IC
IT
A
T
IO
N N
O
IS
S
U E
D A
T E
S I Z
E
M A
R K
D E
S C
R
IP
T
IO
N D
A T
E
SHEET ID
4.1'
3.5'
1'
1'
1'
1'
CORRUGATED HDPE
PERFORATED 18-INCH DIAMETER
CORRUGATED HDPE
SOLID 18-INCH DIAMETER
V A
R
IE
S
3.5'
.5
(SEE NOTE 7)
ANGLE OF REPOSE
(SEE NOTE 7)
REPOSE
ANGLE OF
(SEE NOTE 7)
ANGLE OF REPOSE
CORRUGATED HDPE
SOLID 18-INCH DIAMETER3.5'
FLOWABLE FILL (SEE NOTE 6)
.5
1' 1'
DAMAGE)
(PROTECT FROM
INLET STRUCTURE "B"
EXISTING DROP
AND PLACEMENT AT
TERMINATE EXCAVATION
V A
R
IE
S
2'
.5
.5
C -5
C -5
C -5
C -5
METERING MANHOLE STUB
PERFORATED TOE DRAIN OUTFALL
SOLID TOE DRAIN OUTFALL
(SEE SHEET C-502)
METERING MANHOLE
7'
1' (SEE NOTE 7)
ANGLE OF REPOSE
(SEE SHEET C-502)
METERING MANHOLE
(SEE NOTE 7)
ANGLE OF REPOSE
.5
.5
(SEE NOTE 7)
ANGLE OF REPOSE
(SEE SHEET C-505)
FLOW METER READOUT
5' MAX.
(SEE SHEET C-201)
SOLID TOE DRAIN OUTFALL
(SEE SHEET C-201)
SOLID TOE DRAIN OUTFALL
COARSE FILTER AGGREGATE
FINE FILTER AGGREGATE
RANDOM FILL
10'
32.5'
10'
15'
EL. 2047.5 FT LPD
EL. 2047.5 FT LPD
EL. 2045.0 FT LPD
EL. 2049.0 FT LPD
EL. 2051.0 FT LPD
ON 6 INCHES OF BEDDING
10 INCHES OF RIPRAP
6 INCHES OF BEDDING
10 INCHES OF RIPRAP ON
ON 6 INCHES OF BEDDING
12 INCHES OF RIPRAP
ON SHEET C-101)
BACKFILL (SEE SECTION F
ON SHEET C-301)
BACKFILL (SEE SECTION G
SURFACING
6" ROAD
SURFACING
6" ROAD
6" TOPSOIL
6" TOPSOIL
6" TOPSOIL
6" TOPSOIL
FLOWABLE FILL (SEE NOTE 6)
10 INCHES OF RIPRAP
6 INCHES OF BEDDING
RANDOM FILL
6" TOPSOIL
6" TOPSOIL
RANDOM FILL
(SEE SHEET C-202)
24-INCH CULVERT
RANDOM FILL
FLOWABLE FILL (SEE NOTE 6)
RANDOM FILL
6" TOPSOIL
THIS SHEET)
(SEE DETAIL A ON
FILTER AGGREGATE
FINE FILTER AGGREGATE
6" TOPSOIL
RANDOM FILL
FINE FILTER AGGREGATE
6" BEDDING
6" BEDDING
RANDOM FILL
(SEE SHEET C-202)
36-INCH CULVERTS
R T
P E
C K
D A
M A
N D
R E
S E
R V
O
IR
F O
R T
P E
C K
M
O N
T A
N A
T O
E D
R A
IN
O
U T
F A
L L
R E
P A
IR
A
N D
M O
N
IT
O R
IN
G
S Y
S T
E M
A N
S I
D
M A
R C
H
Z X
X X
X X
X X
X X
X X
O M
A H
A D
IS
T
R
F
B
A H
A
N E
C A
P
IT
O L
A
E N
U M
B E
R
F
IL
E N
A M
E
A
C
IV
IL
D
E T
A
IL
S
C-501
E O
F
B
C
-5 .d
U .S
A
R M
Y C
O R
P S
O F
E N
G
IN
E E
R S
10'0 5'
TOE DRAIN OUTFALL
DETAIL A - BACKFILL FOR PERFORATED
10'0 5'
TOE DRAIN OUTFALL
DETAIL B - BACKFILL FOR SOLID
10'0 5'
DETAIL C - BACKFILL FOR TOE ROAD EMBANKMENT
10'0 5'
DETAIL D - BACKFILL FOR ACCESS ROAD EMBANKMENT
PLAN SUBMITTAL AND THE COR.
BOXES AND/OR OTHER MEANS OR METHODS MAY BE USED, SUBJECT TO APPROVAL OF THE SHORING
MEET ALL FEDERAL AND OSHA REQUIREMENTS FOR EXCAVATION. VERTICAL EXCAVATION AND TRENCH
7. THE EXCAVATION AND SLOPES SHOWN ARE FOR VISUAL REFERENCE ONLY. ALL EXCAVATIONS MUST
SEE SPECIFICATION SECTION 03 30 53 FOR ADDITIONAL FLOWABLE FILL REQUIREMENTS.
OF THE LOWER PIPE(S). ADDITIONAL PRECAUTIONS MUST BE MADE TO PREVENT UPLIFT OF THE PIPES.
SPRINGLINE OF THE HIGHEST PIPE(S), WHICH WILL CAUSE FLOWABLE FILL TO GO ABOVE THE SPRINGLINE
REQUIRING FLOWABLE FILL ARE AT DIFFERENT ELEVATIONS, PLACE FLOWABLE FILL UP TO THE
OCCUR TO ALLOW THE FIRST POUR TO PROPERLY SET. FOR LOCATIONS WHERE SOLID HDPE PIPES
SECOND FROM THE HALFWAY POINT TO THE SPRINGLINE. SUFFICIENT TIME BETWEEN POURS MUST
FOR EXAMPLE, THE FIRST TO THE HALFWAY POINT BETWEEN THE INVERT AND THE SPRINGLINE, AND THE
FORCES OF THE FLOWABLE FILL. FLOWABLE FILL PLACEMENT MUST TAKE PLACE AS 2 SEPARATE POURS.
HDPE PIPE MUST BE PLACED ON 6 INCH TALL CONCRETE BLOCKS AND ANCHORED TO RESIST THE UPLIFT
SOLID HDPE PIPES. TO PREVENT UPLIFT OF THE PIPES DURING FLOWABLE FILL PLACEMENT, EACH SOLID
6. PLACE FLOWABLE FILL 6 INCHES BELOW THE INVERT AND UP TO AT LEAST THE SPRINGLINE OF THE
TABLE DUE TO DIFFERENT MANUFACTURER'S VARIATIONS.
5. DIMENSIONS OF FLARED END SECTIONS MAY VARY SLIGHTLY FROM THOSE SHOWN ON THE
CONTROL BLANKET, AND MEET ALL OTHER REQUIREMENTS PER SPECIFICATION SECTION 32 92 19.
4. AFTER FINAL GRADING, ALL DISTURBED AREAS MUST BE SEEDED, PROTECTED WITH EROSION
SEE SPECIFICATION SECTION 33 26 00 FOR ADDITIONAL DEWATERING REQUIREMENTS.
3. GROUNDWATER LEVELS MUST BE KEPT A MINIMUM OF 2 FEET BELOW EXCAVATION DEPTHS.
2. SEE SPECIFICATION SECTION 33 46 16 FOR PIPE AND MANHOLE REQUIREMENTS.
1. SEE SPECIFICATION SECTION 02 31 60 AND 35 31 19.00 FOR MATERIAL REQUIREMENTS.
NOTES:
E
A A'
L
(INCHES)
DIAMETER
HDPE PIPE
CORRUGATED
67 88
55 54
L E
FLARED END DIMENSIONS (INCHES)
NO SCALE
SECTION A-A' END VIEW
DETAIL E - FLARED END
PLAN VIEW
10'0 5'
DRAIN OUTFALL IN RELIEF WELL CHANNEL
DETAIL F - BACKFILL FOR SOLID TOE
10'0 5'
METERING MANHOLE
DETAIL G - BACKFILL FOR
SECTION - BACKFILL FOR METERING MANHOLE 1
C-501C-50110'0 5'
B
C
D
E
F
G
H
J
K
L
M
N
P
S U
B M
IT
T
E D
B Y
C H
E C
K E
D B
Y
D R
A W
N B
Y
D E
S
IG
N E
D B
Y
C O
N T
R A
C T
N O
S O
L
IC
IT
A
T
IO
N N
O
IS
S
U E
D A
T E
S I Z
E
M A
R K
D E
S C
R
IP
T
IO
N D
A T
R T
P E
C K
D A
M A
N D
R E
S E
R V
O
IR
F O
R T
P E
C K
M
O N
T A
N A
T O
E D
R A
IN
O
U T
F A
L L
R E
P A
IR
A
N D
M O
N
IT
O R
IN
G
S Y
S T
E M
A N
S I
D
M A
R C
H
Z X
X X
X X
X X
X X
X X
O M
A H
A D
IS
T
R
F
B
A H
A
N E
C A
P
IT
O L
A
E
N U
M B
E R
F
IL
E N
A M
E
A
N H
O L
E D
E T
A
IL
S
C-502
E O
F
B
C
-5 .d g n
E
U .S
A
R M
Y C
O R
P S
O F
E N
G
IN
E E
R S
PRECAST MANHOLE DETAILS
HALF PLAN
MANHOLE COVER AND FRAME
NO SCALE
1 1
APPROX. WT. 60 LBS
NO SCALE
PLAN VIEW ELEVATION VIEW
SECTION
F L
O W
FLOW
FLUME)
(SLOPED TOWARD
FIELD-FORMED BENCH
CONCRETE
FLOW
METERING MANHOLE DETAILS
NO SCALE
PLAN VIEW
ELEVATION VIEW
EL. 2050.8 FT LPD
EL. 2052.2 FT LPD
EL. 2041.2 FT LPD
EL. 2040.8 FT LPD
AND FRAME
MANHOLE COVER
SIDE RAIL LADDER
GALVANIZED STEEL
CONCRETE RISER
CONNECTION DETAIL)
(SEE SHEET S-502 FOR
CORRUGATED HDPE PIPE
PERFORATED 18-INCH DIAMETER
16"
GRADE (SEE GENERAL NOTE 2)
RIM ELEVATION
INSERT
STEEL
3/4" DIAM. RUNGS
RAIL LADDER
STEEL SIDE
GALVANIZED
CONCRETE RISER
8" THICK PRECAST
(SEE SHEET S-502 FOR CONNECTION DETAIL)
PERFORATED 18-INCH DIAMETER CORRUGATED HDPE PIPE
CONCRETE BASE (SEE GENERAL NOTE 3)
BEDDING
AND BOTTOM FACE 3" CLEAR
#4 REBAR @ 12" EACH WAY TOP
(SEE SHEET S-502)
WITH 2-INCH SQUARE OPENINGS
THREE STAINLESS STEEL GRATES
SIDE RAILS
2-1/2" X 1/2"
2.5'
48" I.D.
12"
M A
X
MIN.
7"
GRADE (SEE GENERAL NOTE 2)
MANUFACTURER'S REQUIREMENTS
Ha POINT OF MEASUREMENT PER
CONNECTION DETAIL)
STUB (SEE SHEET S-502 FOR
(MIN. 1/2" THICK)
48" I.D. MANHOLE BARREL
BASE MOUNTING FLANGE
4" WIDE X 1/2" THICK
OPTIONAL SKIRT (SEE PRECAST MANHOLE NOTE 4)
34.7"
30"
35"
.8
M
IN
RIM ELEVATION
GAS STRUT, HINGE, AND LOCKABLE HASP
SPACE ENTRY SIGN AND STAINLESS STEEL
FIBERGLASS DOMED TOP WITH CONFINED
COUPLING
REINFORCED PLASTIC
PIPE THREAD FIBERGLASS
2" DIAMETER FEMALE NATIONAL
LADDER TO TOP OF FLUME
REINFORCED PLASTIC
OSHA COMPLIANT FIBERGLASS
FLUME COVER
INTEGRAL REINFORCED
CONNECTION DETAIL)
STUB (SEE SHEET S-502 FOR
1/2" THICK FOAM PAD
EQUIPMENT
CONCRETE USING VIBRATORY
BOTH SIDES OF THE FLUME WITH
FILL ALL AREAS UNDER AND AROUND
(SEE SHEET S-502)
WITH 2-INCH SQUARE OPENINGS
STAINLESS STEEL GRATE
(SEE SHEET S-502)
WITH 2-INCH SQUARE OPENINGS
STAINLESS STEEL GRATE
(SEE SHEET S-502)
2-INCH SQUARE OPENINGS
STAINLESS STEEL GRATE WITH
2. SEE SHEET C-505 FOR FLOW METER READOUT DETAILS.
AND HAVE 18" DIAMETER STUBS.
SPECIFICATION SECTION 43 21 29 FOR ADDITIONAL REQUIREMENTS),
1. METERING MANHOLE MUST BE FIBERGLASS DOMED TOP 48" I.D.,
METERING MANHOLE NOTES:
THE OPTIONAL SKIRT CAN BE USED TO ADJUST FOR HEIGHT.
MUST BE SUPPORTED BY AT LEAST 4" OF CONCRETE BELOW THE FRAME.
HAVE A MAXIMUM WEIGHT OF NO MORE THAN 60 POUNDS. THE FRAME
AND MONOLITHIC WITH A KEY HOUSING FOR MANPROOFING. COVER MUST
COMPOSITE/FIBERGLASS, WATERTIGHT, EASY TO REMOVE, NON-BOLTED,
4. PRECAST MANHOLE COVER, FRAME, AND SKIRT MUST BE
SIDE RAIL LADDER.
3. PRECAST MANHOLE MUST HAVE PERMANENTLY INSTALLED GALVANIZED
DRY-CAST METHOD OF RCP PROCUREMENT IS PROHIBITED.
RCP, 4'-0" INNER DIAMETER SEGMENTS MEASURING 8" THICK.
2. PRECAST MANHOLE SEGMENTS MUST BE WET-CAST CLASS V PRECAST
1. PRECAST MANHOLE MUST HAVE FLAT SLAB ECCENTRIC TOPS ONLY.
PRECAST MANHOLE NOTES:
12" CONCRETE.
3. MANHOLE BASE SLABS FOR MANHOLES MUST BE PRECAST
SHEETS C-101 AND C-201.
2. GRADING REQUIREMENTS FOR MANHOLES ARE SHOWN ON
MANHOLE SCHEDULE (SEE SHEET C-503).
1. DIMENSIONS FOR MANHOLES ARE SHOWN ON THE PIPE AND
GENERAL NOTES:
12"
CONCRETE BASE (SEE GENERAL NOTE 3)
BEDDING
AND BOTTOM FACE 3" CLEAR
#4 REBAR @ 12" EACH WAY TOP
48" I.D.
APPROX. 6.8'
F
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F A
L L
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P A
IR
A
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O R
IN
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5. SEE SPECIFICATION SECTION 43 21 29 FOR FLOW MEASURING EQUIPMENT REQUIREMENTS.
4. SEE SPECIFICATION SECTIONS 03 30 53 AND 03 42 13.00 10 FOR CONCRETE REQUIREMENTS.
3. SEE SPECIFICATION SECTION 33 46 16 FOR PIPE AND MANHOLE REQUIREMENTS.
2. MANHOLE DETAILS ARE SHOWN ON SHEET C-502.
1. PIPE, MANHOLE, AND FLOW METER READOUT LOCATIONS ARE SHOWN ON SHEETS C-101, C-201, AND C-202.
NOTES:
PIPE SECTION INLET OUTLET MANHOLE
PIPE NO. TYPE DIAM. (IN) LENGTH (FT) SLOPE (%) LOCATION INVERT EL. (FT LPD) LOCATION INVERT EL. (FT LPD) MANHOLE NO. TYPE RISER HEIGHT (FT) TOP OF CONCRETE BASE EL. (FT LPD) RIM EL. (FT LPD)
1 PERFORATED CORRUGATED HDPE 18 72.0 0.6 MH-1 2041.7 MH-2 2041.3 MH-1 PRECAST 11.0 2041.2 2052.2
2 SOLID CORRUGATED HDPE 18 178.5 0.5 MH-2 2041.3 DUCK CREEK 2040.4 MH-2 METERING 10.0 2040.8 2050.8
3 SOLID CORRUGATED HDPE 24 71.2 5.0 DROP INLET STRUCTURE "A" 2043.5 DROP INLET STRUCTURE "B" 2040.0
4 SOLID CORRUGATED HDPE 36 54.0 2.0 DROP INLET STRUCTURE "B" 2040.0 DUCK CREEK 2039.0
5 SOLID CORRUGATED HDPE 36 54.0 2.0 DROP INLET STRUCTURE "B" 2040.0 DUCK CREEK 2039.0
6 SOLID CORRUGATED HDPE 36 54.0 2.0 DROP INLET STRUCTURE "B" 2040.0 DUCK CREEK 2039.0
U.S. SURVEY FEET (MT83F)
NAD83 MONTANA STATE PLANE (2500)
FEATURE NORTHING EASTING CENTERLINE STATION
PRECAST MANHOLE (MH-1) 1,384,263.653 2,721,553.573 R17+73
METERING MANHOLE (MH-2) 1,384,332.815 2,721,518.604 R18+50.4
PIPE NO. 1 INLET 1,384,263.674 2,721,554.212 R17+75
PIPE NO. 1 OUTLET 1,384,327.777 2,721,521.435 R18+47
PIPE NO. 2 INLET 1,384,334.036 2,721,518.298 R18+53.8
PIPE NO. 2 OUTLET 1,384,487.691 2,721,441.288 R20+32.3
PIPE NO. 3 INLET
PIPE NO. 3 OUTLET
PIPE NO. 4 INLET
PIPE NO. 4 OUTLET
PIPE NO. 5 INLET
PIPE NO. 5 OUTLET
PIPE NO. 6 INLET
PIPE NO. 6 OUTLET
1,384,367.790 2,721,486.865 R19+01.5
1,384,431.739 2,721,455.079 R19+72.2
1,384,437.599 2,721,457.484 R19+77.3
1,384,485.749 2,721,433.771 R20+31.3
1,384,435.742 2,721,453.619
1,384,483.863 2,721,429.588
1,384,433.364 2,721,449.573
1,384,481.686 2,721,425.694
WEST RELIEF WELL CHANNEL FLUME 1,384,423.423 2,721,431.094 R19+75
R19+77.3
R20+31.3
R19+77.3
R20+31.3
OFFSET FROM CENTERLINE (FEET)*
12.42 LEFT
12.42 LEFT
7.75 LEFT
7.75 LEFT
37.75 LEFT
12.42 LEFT
12.42 LEFT
17.09 LEFT
17.09 LEFT
* LEFT/RIGHT ORIENTATION ASSUMES FACING IN THE DIRECTION OF ASCENDING STATIONING.
FLOW METER READOUT (FMR) 1,384,328.781 2,721,515.339 R18+50.4 5 LEFT
F
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C-504
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WITH THREADED BOLT CAST IN CENTER. PIERS MUST
6-INCH DIAMETER BY 36-INCH DEEP CONCRETE PIERS
CONCRETE
FLOW
/4
3'
'MEASUREMENT
Ha POINT OF
FLUME (SEE NOTE 2)
RELIEF WELL CHANNEL
OPTION 2: NEW WEST
WITH THREADED BOLT CAST IN CENTER. PIERS MUST
6-INCH DIAMETER BY 36-INCH DEEP CONCRETE PIERS
8" 4'-4 7/8" 2' 3'
8"
8"
8"
AT 30° AS SHOWN
EXTEND 18" BELOW THE FLUME, AND BE ANGLED
ALL WINGWALLS MUST EXTEND TO TOP OF FLUME,
CONCRETE
# 4 @ 6" E.W.
CONCRETE
# 4 @ 6" E.W.
C
L R
3" CLR.
# 4 @ 6" E.W.
(SEE NOTE 2)
CHANNEL FLUME
RELIEF WELL
NEW WEST
OPTION 2: (SEE NOTE 2)
NEW WEST RELIEF WELL CHANNEL FLUME
OPTION 2:
8"
CONCRETE
(SEE NOTE 2)
OPTION 2: NEW WEST RELIEF WELL CHANNEL FLUME
FLOW
8"
CONCRETE
THREADED BOLT
6"
TOP OF GROUND
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
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AFTER FLUME INSTALLATION IS COMPLETE.
THREADED BOLTS MUST BE REMOVED AND BACKFILLED WITH TOPSOIL
AROUND THE FLUME. THE TOP 6 INCHES OF THE CONCRETE PIERS AND
MOVE DURING INSTALLATION AS A RESULT OF CONCRETE PLACEMENT
6. CONCRETE PIERS MUST BE USED TO ENSURE THE FLUME DOES NOT
EXCAVATION IN ADDITION TO THE DEWATERING SYSTEM.
5. TEMPORARY SUMPS AND PUMPS MUST BE USED TO MAINTAIN A DRY
FLUME WHICH MUST BE PROTECTED.
INADVERTENTLY REMOVE AND REPLACE THE EAST RELIEF WELL CHANNEL
REQUIREMENTS ON THIS SHEET. CARE MUST BE EXERCISED AS TO NOT
MUST BE INSTALLED IN THE LOCATION OF THE EXISTING FLUME AND PER THE
AND DISPOSED OF OFF-SITE. THE NEW WEST RELIEF WELL CHANNEL FLUME
4. THE EXISTING WEST RELIEF WELL CHANNEL FLUME MUST BE REMOVED
REQUIREMENTS AND RECOMMENDATIONS.
3. INSTALLATION MUST BE IN ACCORDANCE WITH THE MANUFACTURER'S
FURNISHED.
2. THE NEW WEST RELIEF WELL CHANNEL FLUME WILL BE GOVERNMENT
1. SEE SPECIFICATION SECTION 03 30 53 FOR CONCRETE REQUIREMENTS.
NOTES:
B
C -5
C -5
B
C -5
C -5
B
C-504C-504
SECTION - NEW FLUME
A
C -5
C -5
A
C -5
C -5
A
C-504C-504
SECTION - NEW FLUME
NO SCALE
PLAN - NEW FLUME
NO SCALE
PROFILE - NEW FLUME
NO SCALE NO SCALE
30°
8" 8"
8" 8"
EL. 2044.22 FT LPD
EL. 2043.97 FT LPD
NO SCALE
DETAIL - CONCRETE PIER
NO SCALE
PHOTO - NEW WEST RELIEF WELL CHANNEL FLUME
F
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C-505
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11"
4.1"
.1
M
IN
3/4" PLATE
12" EMBEDMENT
ANCHOR BOLTS WITH
TIES
#5@12" CIRCULAR
PERIMETER WITH
AROUND
#5@12" VERTICAL
PIPE
HASP & STAPLE
PADLOCKING
MOUNT BRACKET
WASHER
NUTS AND LOCK
U-BOLT WITH HEX
MOUNT BRACKET
MOUNT BRACKET
PLATE, SEAL WELD
PROVIDE 3/16" CAP
AND CLAMP
GROUND ROD
AIR TERMINAL
POINT BASE
VERTICAL
GROUT
1" NON-SHRINK
ENCLOSURE
WATERPROOF
POLE MOUNT
SOLAR PANEL
@ 3'-0" OC (TYP.)
CABLE HOLDER
1'-4"
10"
1 1/2"
12"
1"
/4
/8
6"
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
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5"5"
(TYP.)
"4
GRADE
NO SCALE
POLE AND LIGHTNING PROTECTION DETAILS
NO SCALE
WATERPROOF ENCLOSURE FOR FLOW METER READOUT DETAIL
NO SCALE
WATERPROOF ENCLOSURE POLE MOUNT DETAIL
5. GALVANIZE ALL METAL AFTER FABRICATION.
4. INSTALL REMOTE READOUT DEVICE WITHIN 5' OF MANHOLE LID MOUNTED AT LEAST 5' ABOVE GRADE.
3. INSTALL SOLAR POWERED BATTERY CHARGER AND BATTERY PER FLOW METER MANUFACTURER'S REQUIREMENTS.
2. INSTALL ULTRASONIC FLOW METER ABOVE FLUME PER MANUFACTURER'S REQUIREMENTS.
1. INSTALL FLOW METER READOUT IN THE LOCATION SHOWN ON SHEET C-101 AND C-503.
F
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S-501
A B
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(S
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-2
IP
E
D
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R V
A R
IE
O
P I
N L
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H E
IG
H
T
8"
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
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D E
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N E
D B
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F A
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P A
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IN
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STEEL GRATING
CORRUGATED HDPE STUB
INSTALL 2' LENGTH
COLLAR AROUND PIPE
NEW 8" THICK CONCRETE
PIPE FLUSH WITH OUTSIDE WALL
REMOVE OR CUT EXISTING CMP
2 # 4 CIRCULAR HOOPS
SHOWN, TO FULLY DEVELOP BAR STRENGTH
BONDED INTO EXISTING CONCRETE AS
CIRCUMFERENCE, DRILLED AND EPOXY
HOOK @ 12" O.C. AROUND PIPE
# 4 DOWELS WITH 180 DEGREE STANDARD
TYP. AROUND PIPE CIRCUMFERENCE
HYDROPHILIC WATERSTOP,
1" CHAMFER, TYP.
DROP INLET WALL
EXISTING CONCRETE
EMBED.
NO SCALE
TYPICAL DETAIL - CONNECTION FOR 24-INCH AND 36-INCH CORRUGATED HDPE AT DROP INLET STRUCTURE "A" AND "B"
2. SEE SPECIFICATION SECTION 33 46 16 FOR DROP INLET STRUCTURE CONNECTION REQUIREMENTS.
1. SEE SPECIFICATION SECTION 03 30 53 FOR CAST-IN-PLACE CONCRETE REQUIREMENTS.
NOTES:
6"
ON BOTH ENDS AS SHOWN ON SHEET C-202
DROP INLET STRUCTRE "B" WILL HAVE CONNECTIONS
F
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A H
A
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C A
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T A
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S
S-502
E O
F
B
S
-5
.d g n
E
(SEE NOTE 1)
NEW GASKET CONNECTION (SEE SHEET C-502)
PRECAST MANHOLE RISER
FOR ELEVATIONS)
(SEE SHEET C-503
PIPE INVERT
SPRINGLINE
(SEE SHEET C-201 FOR LOCATIONS)
CORRUGATED HDPE PIPE
REPLACE EXISTING CMP WITH NEW
(SEE NOTE 2)
FLUSH FACE
(SEE NOTE 1)
NEW CORRUGATED PIPE ADAPTER
(SEE SHEET C-502)
CONCRETE BASE
(SEE NOTE 1)
NEW GASKET CONNECTION
(SEE SHEET C-502)
METERING MANHOLE
FOR ELEVATIONS)
(SEE SHEET C-503
PIPE INVERT
SPRINGLINE
(SEE SHEET C-201 FOR LOCATIONS)
CORRUGATED HDPE PIPE
REPLACE EXISTING CMP WITH NEW
FLUSH FACE (SEE NOTE 3)
(SEE NOTE 1)
NEW CORRUGATED PIPE ADAPTER
(SEE SHEET C-502)
CONCRETE BASE
METERING MANHOLE STUB
/2
18"
2"
1/4" 1/4"
17.5"
AND ANCHOR BOLT
13/16" DIAMETER HOLE
AND ANCHOR BOLT
13/16" DIAMETER HOLE
ANCHOR BOLT
HOLE AND
13/16" DIAMETER
AND ANCHOR BOLT
13/16" DIAMETER HOLE
AND ANCHOR BOLT
13/16" DIAMETER HOLE
FOR LOCATIONS)
(SEE SHEET C-502
STAINLESS STEEL GRATE
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
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PREPARE HOLE TO RECEIVE THE GASKET PER MANUFACTURER'S INSTALLATION INSTRUCTIONS.
3. INSTALL PIPE AND GASKET CONNECTION FLUSH WITH METERING MANHOLE STUBS.
PREPARE HOLE TO RECEIVE THE GASKET PER MANUFACTURER'S INSTALLATION INSTRUCTIONS.
2. INSTALL PIPE AND GASKET CONNECTION FLUSH WITH INSIDE FACE OF PRECAST CONCRETE RISER.
1. SEE SPECIFICATION SECTION 33 46 16 FOR MANHOLE CONNECTION AND GRATE REQUIREMENTS.
NOTES:
(S E
E S
H E
E T
C -5
P
IP
E D
IA
M
E T
E R
NO SCALE
PRECAST MANHOLE (MH-1) CONNECTION
GRATE DETAIL FOR MH-1
NO SCALE
(S E
E S
H E
E T
C -5
P
IP
E D
IA
M
E T
E R
NO SCALE
METERING MANHOLE (MH-2) CONNECTION
B
C
D
E
F
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B Y
C H
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D R
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N B
Y
D E
S
IG
N E
D B
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C O
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N O
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A
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N N
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D A
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S I Z
E
M A
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D E
S C
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T
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N D
A T
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C K
D A
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N D
R E
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O
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F O
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P E
C K
M
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T A
N A
T O
E D
R A
IN
O
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F A
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P A
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A
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M O
N
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IN
G
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A N
S I
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X X
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X X
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A H
A D
IS
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F
B
A H
A
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INFORMATION MAY BE AVAILABLE UPON REQUEST.
1. DATA COLLECTED AND COMPILED BY USACE. ADDITIONAL
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INFORMATION MAY BE…
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