2025_55140_Exhibit_A_PlanSet_Part7.pdf

PDF 3 MB Posted

Attached to
2025-55140 Tolmie Lift Station Improvements
Solicitation number
2025-55140
Issued by
Adams County, Asotin County, Benton County, Chelan County, Clallam County, Clark County, Columbia County, Cowlitz County, Douglas County, Ferry County, Franklin County, Garfield County, Grant County, Grays Harbor County, Island County, Jefferson County, King County, Kitsap County, Kittitas County, Klickitat County, Lewis County, Lincoln County, Mason County, Okanogan County, Pacific County, Pend Oreille County, Pierce County, San Juan County, Skagit County, Skamania County, Snohomish County, Spokane County, Stevens County, Thurston County, Wahkiakum County, Walla Walla County, Whatcom County, Whitman County, Yakima County, Asotin City, Clarkston City, Clarkston Heights-Vineland CDP, West Clarkston-Highland CDP, Benton City, Chelan City, Chelan Falls CDP, Clallam Bay CDP, Lewisville CDP, Rock Island City, Pacific Beach CDP, Whidbey Island Station CDP, Mercer Island City, Pacific City, Bainbridge Island City, Kingston CDP, Kitsap Lake CDP, Kittitas City, Klickitat CDP, Okanogan City, Anderson Island CDP, Fort Lewis CDP, Fox Island CDP, Herron Island CDP, Ketron Island CDP, North Fort Lewis CDP, Raft Island CDP, Stevenson City, Hat Island CDP, Lake Stevens City, Snohomish City, Spokane City, Spokane Valley City, Puget Island CDP, Garfield Town, Yakima City, Washington

About this file

This document is a preliminary 100% design plan set for the Tolmie State Park Wastewater Lift Station Retrofit project, prepared by Washington State Parks and Recreation Commission for Thurston County, Washington. The plan set consists of detailed site plans and existing conditions maps for the lower park area, specifically focusing on improvements to the wastewater lift station. The documents show proposed modifications to the existing sewer infrastructure, including removing existing pumps and force main lines, reconstructing the wet well, installing a precast mechanical vault, and reconfiguring underground utilities and power supplies.

The project involves precise engineering modifications to the park's wastewater system, with specific attention to electrical, control, and telemetry infrastructure. The plans include detailed specifications for pipe replacements, underground conduit installations, and utility reconfigurations, with careful consideration of existing infrastructure such as water lines, power poles, and drainage swales. The design emphasizes minimizing disruption to the existing park layout while upgrading the lift station's functionality, including installing new access hatches, mounting electrical and control panels, and ensuring proper clearances between different utility lines.

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STUMP (TYP.)

PARK

OFFICE

PARK

STORAGE

SHED

BENCH

KIOSK

SPLIT RAIL FENCING

CONCRETE SIDEWALK

12" DIAM CMP.

IRON RANGER

PAY BOX

BORDER ROCKS (TYP.)

WATER STATION (TYP.)

PARK

GATE

PARK KIOSK

ENTRANCE ROAD

WOOD STEPS &

RAILINGS

SPLIT RAIL FENCING

DIRT TRAIL WITH

LOG STEPS & RAILINGS

SEPTIC TANK

CONCRETE PICNIC

TABLE SLAB (TYP.)

PARK KITCHEN SHELTER &

RESTROOM BUILDING

GRAVEL TRAILS (TYP.)

HMA TRAIL TO BEACH

CONCRETE PICNIC

TABLE (TYP.)

CONCRETE BBQ SLAB (TYP.)

WOODEN PAY STATION

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ROCKWALL

CONCRETE PICNIC

TABLE SLAB (TYP.)

LAWN AREA (TYP.)

SEWER PUMP

STATION

(WWLS)

4" GRAVITY SEWER

LINE

WATER LINE TO BEACH

LOWER RESTROOM AND

KITCHEN BUILDING

POWER POLE

POWER POLE

FOOTBRIDGE

DIRT TRAIL

DRAINAGE SWALE TO BEACH

4" PERFORATED

LEACHFIELD PIPES,

100' IN LENGTH AT

8' O.C., TYP. OF 6

LEACHFIELD DISTRIBUTION BOX (D-BOX)

RIM = 46.62'±

I.E. IN = 45.28'±

SUMP = 44.58'±

POWER POLE W/

DROP DOWN FOR

UNDERGROUND

PRIMARY POWER

POWER

TRANSFORMER

UNDERGROUND

POWER TO

BELOW-GRADE

TRANSFORMER

DIRT TRAIL

EDGE OF BEACH

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P

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Y

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E

NISQUALLY REACH

ROADWAY

CENTERLINE

(TYP.)

WATER MAIN

SOLENOID

GENERAL NOTES:

1. BASE SURVEY PROVIDED BY WASHINGTON STATE PARKS AND RECREATION

COMMISSION VIA EMAIL ON 3/28/2022.

2. PRODUCTION OF EXISTING CAD LINEWORK AND POINTS ESTIMATED CIRCA

2018.

3. PROPERTY LINES SHOWN ARE FOR REFERENCE ONLY

4. THE PRIMARY POWER LINES, TRANSFORMERS, AND PRIMARY

APPURTENANCES ARE OWNED BY PUGET SOUND ENERGY.

5. SECONDARY SERVICE CONDUCTORS ARE OWNED BY PUGET SOUND ENERGY.

6. THE TELEPHONE LINES AND PEDESTALS ARE OWNED BY CENTURY LINK.

7. SECONDARY ELECTRICAL LINES DOWN STREAM FROM METERS ARE OWNED

BY STATE PARKS.

8. THE ENTIRE WATER SYSTEM IS OWNED BY STATE PARKS.

9. THE ENTIRE SEWER SYSTEM IS OWNED BY STATE PARKS.

10. SIGNAL WIRES ARE OWNED BY STATE PARKS.

11. USE THE "CALL BEFORE YOU DIG" LOCATING SERVICE PRIOR TO WORKING

IN THE VICINITY OF THE TELEPHONE AND PRIMARY POWER UTILITIES.

12. THE STATE PARKS UTILITIES ARE SHOWN FROM OLD MAPS AND INFERENCE

FROM LOCATED INFRASTRUCTURE. NO OTHER LOCATING WILL BE

PROVIDED BY STATE PARKS.

EXISTING PROPERTY LINE

EXISTING OVERHEAD PRIMARY POWER

EXISTING UNDERGROUND PRIMARY POWER

EXISTING DRAINAGE SWALE

EXISTING OVERHEAD TELEPHONE LINE

EXISTING OVERHEAD SIGNAL WIRE

EXISTING WATER LINE

EXISTING UNDERGROUND SIGNAL WIRE

EXISTING UNDERGROUND TELEPHONE LINE

EXISTING UNDERGROUND SECONDARY POWER LINE

EXISTING SEWER LINE

EXISTING SEWER FORCE MAIN LINE

EXISTING BRUSH LINE

EXISTING EDGE OF ASPHALT

EXISTING TRAIL NETWORK

OHPP

UGPP

OHT

W

UGS

UGT

UGSP

SS SS SS SS

LEGEND

SFM

OHS

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40'

80'

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C

PARKS FILE#

SCALE

PARKS

STATE

RECREATION

WASHINGTON

COMMISSION

AND

R E V I S I O

N S

CHECKED (HDQTS.)

REGISTERED STAMP

DESIGNED

CHECKED (FIELD)

DRAWN

ACTION BY

DATE

N O

CAD NO.

A P P

I N

T

D A T E

04/21/23JP/CS

04/21/23PCB

TOLMIE

STATE PARK

WASTEWATER

LIFT STATION

RETROFIT

AE 123-168

PRELIMINARY

THURSTON COUNTY

SEC. 23, T.29N., R.1W., W.M.

100% DESIGN PLAN SET (REVIEW ONLY)

SHEET OF 24

PRELIMINARY

EXISTING

CONDITIONS -

LOWER PARK

C-02

4" SEWER

FORCE MAIN

4" SEWER GRAVITY MAIN

FROM LOWER RESTROOM

UNDERGROUND

SECONDARY POWER

TO KIOSK (ABANDONED)

WATER MAIN

UNDERGROUND

SECONDARY POWER

TO WWLS

EXISTING CONDITIONS - LOWER STATE PARK

40525-070_C-02_EXISTING

CONDITIONS

EXISTING PUMPS AND

FORCE MAIN LINES TO BE

REMOVED WITHIN EXTG

DRYWELL

20 LF OF 3" DI PIPE

(PExPE)

3" 45° DI BEND

(MJxMJ)

8 LF OF 3" DI PIPE

(PExPE)

3" 45° DI BEND

(MJxMJ)

5 LF OF 3" DI PIPE

(PExPE)

INSTALL STRUCTURE TO MOUNT ELECTRICAL, CONTROL,

TELEMETRY, AND EMERGENCY SHUTOFF PANELS.

PRECAST MECHANICAL VAULT

RECONSTRUCT EXISTING WET WELL

PROTECT EXISTING

GRAVITY MAIN

CONFIGURATION IN PLACE

BURIED TELEMETRY RACEWAY, SEE ELECTRICAL SHEETS

BURIED CONTROLS RACEWAY, SEE ELECTRICAL SHEETS

BURIED POWER SUPPLY, SEE ELECTRICAL SHEETS

RECONFIGURE INSIDE OF

EXISTING STRUCTURES

SEE SHEETS M-02

PROPOSED LOCATION OF

SEWER MAINS (FORCE AND

GRAVITY) AND CONDUITS

(POWER AND SIGNALS) AS

INSTALLED DURING BRIDGE

CONSTRUCTION (BY OTHERS)

NEW UNDERGROUND SECONDARY

POWER SUPPLY TO MECHANICAL VAULT

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NEW RECTANGULAR

ACCESS HATCHES

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ABANDON EXISTING

UNDERGROUND POWER LINE.

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BURIED POWER SUPPLY AND SIGNAL LINES, SEE

ELECTRICAL SHEETS

BURIED HANDHOLE, SEE

ELECTRICAL SHEETS

CONNECT TO EXISTING

FORCE MAIN USING

ROMAC 501 TRANSITION

COUPLING OR SIMILAR

DI COUPLING

4"x3" DI REDUCER

(MJxMJ)

MINIMUM 12" VERTICAL CLEARANCE BETWEEN

CONDUITS AND SANITARY SEWER LINE

PROPOSED SEWER LINE

LEGEND

UGS

UGSP

PL PL

OHPP EXISTING OVERHEAD PRIMARY POWER

UGPP EXISTING UNDERGROUND PRIMARY POWER

➤ ➤ EXISTING DRAINAGE SWALE

TEL EXISTING OVERHEAD TELEPHONE LINE

W W

SIG

EXISTING WATER LINE

EXISTING UNDERGROUND SIGNAL WIRE

UPT UPT EXISTING UNDERGROUND TELEPHONE LINE

SS SS

UGSP EXISTING UNDERGROUND SECONDARY POWER

EXISTING SANITARY SEWER GRAVITY MAIN

EXISTING BRUSH LINE

EXISTING EDGE OF ASPHALT

EXISTING TRAIL NETWORK

PROPOSED UNDERGROUND SIGNAL WIRE

PROPOSED UNDERGROUND SECONDARY POWER LINE

EXISTING PROPERTY LINE

SFM EXISTING SANITARY SEWER FORCE MAIN

5'

10'

SITE PLAN

C-10

PROPOSED LIFT STATION IMPROVEMENTS

PARKS FILE#

SCALE

PARKS

STATE

RECREATION

WASHINGTON

COMMISSION

AND

R E V I S I O

N S

CHECKED (HDQTS.)

REGISTERED STAMP

DESIGNED

CHECKED (FIELD)

DRAWN

ACTION BY

DATE

N O

CAD NO.

A P P

I N

T

D A T E

04/21/23JP/CS

04/21/23PCB

TOLMIE

STATE PARK

WASTEWATER

LIFT STATION

RETROFIT

AE 123-168

THURSTON COUNTY

SEC. 23, T.29N., R.1W., W.M.

100% DESIGN PLAN SET (REVIEW ONLY)

SHEET OF 24

PRELIMINARY

BRIDGE ACCESSES LOWER RESTROOM, TRAILS, AND SEPTIC SEWER LEACHFIELD

D R I V E

A C C E S S E S

U

P P E R

R E S T R O

O M

T R A I L S

A N

D

P A R K

E N

T R A N

C E

ALL

M-02

ALL

S-10

ALL

M-01

ALL

S-10

ALL

S-01

ALL

S-10

ALL

S-01

ALL

M-01

ALL

S-10

C-20

ALL

C-30

ALL

M-02

40525-070_C-10_SITE PLAN

GENERAL NOTES:

1. SEE SHEETS G-03 TO G-07 FOR NOTES

Sheets and Views
C-02 EXISTING CONDITIONS - LOWER PARK

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