25R0003_Plans_AMEND-004_FINAL.pdf
PDF 3 MB Posted
- Attached to
- Mill Creek Diversion Dam Fish Ladder
- Solicitation number
- W912EF25R0003
About this file
This file contains engineering drawings and site plans for the Mill Creek Diversion Dam Fish Ladder project in Walla Walla, Washington, issued by the US Army Corps of Engineers Walla Walla District under solicitation W912EF25R0003 in December 2024.
The drawings detail haul routes, staging areas, and existing site features for construction access and material storage. Key elements include designated haul routes along Rooks Park Road and the diversion dike, staging areas of approximately 1.5 acres near the diversion dike and additional areas in Rooks Park parking lot (available October 16 to March 31), and protection requirements for existing infrastructure like piezometers, toe drains, and a wooden bridge with 16-ton weight limit. The plans show coordination will be required with other concurrent construction activities in the Mill Creek channel, and contractors must maintain public access to recreation trails while ensuring protection of existing facilities including volleyball courts, sidewalks, trees and sprinkler systems during construction staging.
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LOCATION
LADDER
NEW FISH
RIGHT BANK ACCESS - ROOKS PARK ROAD
LEFT BANK ACCESS - GRAVEL ROAD
(FOOT TRAFFIC ONLY)
WOODEN BRIDGE ROOKS PARK
PROJECT OFFICE
MILL CREEK
RESERVOIR ROAD
MI
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C
REEK C
HANNEL
TAUSICK WAY
COLLEGE
COMMUNITY
WALLA WALLA
ISAACS AVENUE
MILL CREEK ROAD
RECREATION TRAIL - SEE NOTE 6
RIGHT BANK TOE ACCESS -
LOT - SEE NOTE 4
ROOKS PARK PARKING
BENNINGTON
LAKE
HAUL ROUTE
HAUL ROUTE
HIGHWAY 12
MAINTENANCE ROAD
HAUL ROUTE - GRAVEL
SEE NOTE 2
OF DIVERSION DIKE
HAUL ROUTE - TOP
TOP OF DIVERSION DIKE
DIVERSION DAM
INTAKE CANAL HEADWORKS
INTAKE CANAL OUTLET
SEE NOTE 5
ACRES)
(APPROX 1.5
STORAGE AREA
STAGING AND
GATE
LOCKED
BOLLARDS
REMOVABLE
GATE
LOCKED
SEE NOTE 3
BRIDGE
SEE NOTE 4
MAIN GATE
WEST RECREATION TRAIL
STAGING AREA
CONCRETE SIDEWALK
SEE NOTE 8
STAGING AREA
ROADWAY IS NOT BLOCKED.
PEDESTRIAN TRAIL IS STILL ACCESSIBLE TO THE PUBLIC AND ENSURE
FOR ADDITIONAL STAGING YEAR ROUND. CONTRACTOR TO ENSURE
PARKING STALLS ON EAST END OF ROOKS PARK PARKING LOT MAY BE USED 8.
TOE DRAIN. SEE SHEET G-102 FOR ADDITIONAL STAGING AREA INFORMATION.
MINIMUM 10' OFFSET FROM VOLLEYBALL COURT, CONCRETE SIDEWALK, AND
SPRINKLERS, AND TOE DRAIN DURING STAGING AREA USE. ENSURE
ADDITIONAL STAGING AREA WITHIN PARK IS PERMITTED. PROTECT TREES, 7.
SEE G-102 FOR MORE DETAIL ON THE TOE DRAIN.
PROTECT EXISTING TOE DRAIN AND MANHOLES DURING CONSTRUCTION. 6.
MATERIAL STORAGE.
ENTRANCE, AND TOP OF DIVERSION DIKE IS AVAILABLE FOR STAGING AND
AREA ALONG HAUL ROUTE BETWEEN LOCKED GATE AT ROOKS PARK 5.
OPEN, THE PARKING LOT IS UNAVAILABLE FOR CONTRACTOR USE.
WHILE PARK IS CLOSED TO PUBLIC VEHICLE ACCESS. WHEN THE PARK IS
(APPROXIMATELY 1.1 ACRES) IS AVAILABLE FOR STAGING AND STORAGE
ACCESS DURING THIS TIMEFRAME. THE ENTIRE ROOKS PARK PARKING LOT
GATE FROM OCTOBER 16 TO MARCH 31. THE PARK IS STILL OPEN TO PUBLIC
ROOKS PARK IS CLOSED TO PUBLIC VEHICLE ACCESS BEYOND THE MAIN 4.
LICENSED PROFESSIONAL CIVIL ENGINEER OR STRUCTURAL ENGINEER.
ANTICIPATED LOADING. ANY ANALYSIS MUST BE SIGNED AND SEALED BY A
DOCUMENTATION DEMONSTRATING THAT THE BRIDGE IS ADEQUATE FOR THE
THE BRIDGE RATING, CONTRACTOR SHALL SUBMIT ANALYSIS OR OTHER
FOR LOADS EXCEEDING BRIDGE HAS 16 TON WEIGHT LIMIT RESTRICTION.3.
SEE G-102 FOR MORE DETAIL.
PROTECT EXISTING PIEZOMETERS WITHIN HAUL ROUTES FROM DAMAGE. 2.
ADVANCE TO CONFIRM AVAILABILITY OF STAGING AREAS.
AREAS DURING CONSTRUCTION WITH COR. NOTIFY COR AT LEAST 30 DAYS IN
CONTRACTOR TO COORDINATE HAUL ROUTES AND USAGE OF STAGING
BY OTHERS DURING THE SAME TIMEFRAME AS FISH LADDER CONSTRUCTION.
ADDITIONAL CONSTRUCTION IN MILL CREEK CHANNEL WILL BE OCCURRING 1.
GENERAL SHEET NOTES
NORTH
PLAN
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N
A1
1"=400'SCALE:
PLAN: GENERAL SITE PLAN, HAUL ROUTES AND STAGING AREAS
EXISTING ITEMS
NEW ITEMS
LINE STYLE LEGEND
HAUL ROUTE
STAGING AREA
PIEZOMETER
RECREATION TRAIL
LEGEND
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G-102
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SEE NOTE 3
ROOKS PARK PARKING LOT
RIGHT BANK ACCESS - ROOKS PARK ROAD SEE NOTE 3
MAIN GATE
GATE
LOCKED
SEE NOTE 2
HAUL ROUTE - TOP OF DIVERSION DIKE
SEE NOTE 4
LEFT BANK LEVEE
BENNINGTON LAKE INTAKE CANAL
80' 160'0
VOLLEYBALL COURT
DIKE
DIVERSION
(40FT BY 60FT)
RIGHT BANK TURNAROUND
SEE NOTE 5
DEBRIS BARRIER ANCHOR
SEE NOTE 5
CABLE
BARRIER
DEBRIS
PICNIC TABLE
BBQ (TYP)
TREE (TYP)
TRASH BIN (TYP)
CONCRETE PAD FOR
(TYP)
MANHOLE
TOE DRAIN
EXISTING FISH LADDER
AND BAFFLES
SPILLWAY
CONCRETE
DIVERSION DAM
SPILLWAY END WALL
EXISTING GAUGE HOUSE BUILDING
SEE NOTE 1
RECREATION TRAIL
RIGHT BANK TOE ACCESS -
SEE NOTE 5
DEBRIS BARRIER STRUCTURE
RIGHT BANK LEVEE
TOE DRAIN
UNDERGROUND
BEGINNING OF
TOE DRAIN
UNDERGROUND
TOE DRAIN
UNDERGROUND
(TYPICAL)
PIEZOMETER
EXISTING
STABILIZERS
FLOW OUTLET
EXISTING LOW
BOLLARDS
REMOVABLE
FOOT TRAFFIC ONLY
WOODEN BRIDGE -
LEFT BANK ACCESS - GRAVEL ROAD
WEST RECREATION TRAIL
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SEE NOTE 6
ADDITIONAL STAGING
SIDEWALK
CONCRETE
SEE NOTE 7
STAGING AREA
PEDESTRIAN TRAIL
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23-OB-4
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A1
PLAN: DIVERSION DAM EXISTING FEATURES AND HAUL ROUTES
1"=80'SCALE:
ROADWAY IS NOT BLOCKED.
PEDESTRIAN TRAIL IS STILL ACCESSIBLE TO THE PUBLIC AND ENSURE
FOR ADDITIONAL STAGING YEAR ROUND. CONTRACTOR TO ENSURE
PARKING STALLS ON EAST END OF ROOKS PARK PARKING LOT MAY BE USED 7.
TOE DRAIN.
MINIMUM 10' OFFSET FROM VOLLEYBALL COURT, CONCRETE SIDEWALK, AND
SPRINKLERS, AND TOE DRAIN DURING STAGING AREA USE. ENSURE
ADDITIONAL STAGING AREA WITHIN PARK IS PERMITTED. PROTECT TREES, 6.
PLACE.
PROTECT EXISTING DEBRIS BARRIER ANCHOR, STRUCTURES AND CABLES IN 5.
CONSTRUCTION WITH COR.
OUTLET. CONTRACTOR TO COORDINATE LEFT BANK ACCESS DURING
DEWATERING STRUCTURES AND PIPES IN PLACE AT EXISTING LOW FLOW
ROUTE AND CONSTRUCTION. THIS CONSTRUCTION BY OTHERS MAY HAVE
THE OTHER CONTRACTORS WILL BE USING THE LEFT BANK LEVEE FOR HAUL
BY OTHERS DURING THE SAME TIMEFRAME AS FISH LADDER CONSTRUCTION.
ADDITIONAL CONSTRUCTION IN MILL CREEK CHANNEL MAY BE OCCURRING 4.
ACCESS, THE PARKING LOT IS UNAVAILABLE FOR CONTRACTOR USE.
PUBLIC VEHICLE ACCESS. WHEN THE PARK IS OPEN TO PUBLIC VEHICLE
AVAILABLE FOR STAGING AND STORAGE WHILE THE PARK IS CLOSED TO
ACCESS DURING THIS TIMEFRAME. THE ENTIRE ROOKS PARK PARKING LOT IS
GATE FROM OCTOBER 16 TO MARCH 31. THE PARK IS STILL OPEN TO PUBLIC
ROOKS PARK IS CLOSED TO PUBLIC VEHICLE ACCESS BEYOND THE MAIN 3.
PROTECT EXISTING PIEZOMETERS ALONG TOP OF DIVERSION DIKE.2.
DRAWINGS FOR MORE INFORMATION.
PROTECT EXISTING TOE DRAIN AND MANHOLES IN PLACE. SEE RESOURCE 1.
GENERAL SHEET NOTES
NORTH
PLAN
G R
ID
N
FLOW
EXISTING ITEMS
NEW ITEMS
LINE STYLE LEGEND
HAUL ROUTE
STAGING AREA
PIEZOMETER
RECREATION TRAIL
LEGEND
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G-101
REF
| MC475720aG-101XXX |
| MC475720aG-102XXX |
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