2025_55140_Exhibit_A_PlanSet_Part8.pdf
PDF 2 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
The document is a civil engineering site plan and construction details set for the Tolmie State Park Wastewater Lift Station Retrofit project, prepared by the Washington State Parks and Recreation Commission (WSPRC) for Thurston County. The plan set specifically focuses on solenoid site plans and civil construction details for a wastewater lift station improvement project, with the engineering drawings marked as a 100% design plan set for review. The project involves relocating and removing existing solenoids at upper and lower sites within Tolmie State Park, including installation of new solenoid valves in mechanical rooms, restoration of water main conditions, and comprehensive site infrastructure modifications.
The engineering documents provide detailed technical specifications for trench work, pipe installations, utility crossings, and construction methodologies, with specific emphasis on site safety, utility protection, and environmental considerations. Notable technical requirements include mechanical compaction of backfill materials to 95% modified Proctor density, minimum trench and pipe zone dimensions, thrust block calculations for pipe fittings, and explicit instructions for utility locates, groundwater management, and daily site cleanup. The plans indicate a comprehensive approach to infrastructure retrofit that prioritizes precise engineering standards, utility preservation, and minimal environmental disruption during construction.
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Text version
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
UPPER
SEPTIC TANK
INSTALL NEW SOLENOID VALVE
INSIDE MECHANICAL ROOM.
SEE NOTES, THIS SHEET.
MECHANICAL
ROOM
UPPER RESTROOM
FACILITY
BUILDING CORNER
NORTHING: 659594.58
EASTING: 1074157.77
BUILDING CORNER
NORTHING: 659595.15
EASTING: 1074127.77
LOWER
SEPTIC TANK
INSTALL NEW SOLENOID VALVE
INSIDE MECHANICAL ROOM.
SEE NOTES, THIS SHEET.
MECHANICAL
ROOM
LOWER RESTROOM
FACILITY
BUILDING CORNER
NORTHING: 659889.83
EASTING: 1073630.25
BUILDING CORNER
NORTHING: 659869.12
EASTING: 1073646.47
EXTG HAND HOLE
TO REMAIN IN-PLACE
POWER POLE
REMOVE EXTG SOLENOID
AND SALVAGE TO OWNER
EXTG WATER MAIN SOLENOID
NORTHING: 659626.55
EASTING: 1073848.12
EXTG HAND HOLE
TO REMAIN IN-PLACE
WATER RESERVOIR
REMOVE EXTG SOLENOID
AND SALVAGE TO OWNER
WELL PUMP HOUSE
ENTRANCE
KIOSK
N/E
EXTG WATER MAIN SOLENOID
NORTHING: 659306.17
EASTING: 1074180.34
10'
20'
SOLENOID
SITE PLAN
C-11
LOWER SITE SOLENOID RELOCATION PLAN
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
40525-070_C-10_SITE PLAN
LOWER SITE SOLENOID REMOVAL PLAN
TOLMIE STATE PARK OVERVIEW
NOT TO SCALE
UPPER SITE SOLENOID RELOCATION PLAN
UPPER SITE SOLENOID REMOVAL PLAN
GENERAL SOLENOID NOTES:
1. AFTER SOLENOID REMOVAL, INSTALL PVC PIPE AND FITTINGS AS NECESSARY TO RESTORE
WATER MAIN TO WATER-TIGHT CONDITION.
2. INSTALL NEW SOLENOIDS ABOVE GRADE.
3. SEE ELECTRICAL PLANS FOR WIRING INFORMATION.
4. NORTHING AND EASTING BENCHMARKS ARE RELATIVE TO DRAWING BASE MAP AND FOR
LOCAL LOCATION OF THE SOLENOIDS.
5. SEE NOTES SHEET FOR ADDITIONAL INFORMATION.
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
100% DESIGN PLAN SET (REVIEW ONLY)
SHEET OF 24
PRELIMINARY
CIVIL DETAILS AND
NOTES
C-20
40525-071_C-20_CIVIL
DETAILS AND NOTES
NATIVE SOIL CONDITIONS UNKNOWN,
CONTRACTOR SHALL BE RESPONSIBLE FOR
TRENCH STABILITY AND SAFETY.
BACKFILL AND MECHANICALLY COMPACT (6"
LIFTS) IMPORTED SELECT BACKFILL TO 95%
OF THE MODIFIED PROCTOR.
SANITARY SEWER
MAIN
EXCAVATE UNSUITABLE MATERIAL AND
PROVIDE FOUNDATION MATERIAL CLASS A
CONFORMING TO WSDOT SS 9-03.17
COMPACTED TO A UNIFORMLY DENSE AND
UNYIELDING FOUNDATION, WHEN UNSUITABLE
MATERIAL IS ENCOUNTERED AND AS DIRECTED
BY THE ENGINEER
VARIES,
MIN. 24"
DEPTH
PIPE OD + 24"
TRENCH LIMITS
PIPE OD + 16"
PIPE OD + 24"
MINIMUM AND MAXIMUM
WIDTH AT PIPE ZONE
12" MAX.
18"
TRACER / LOCATOR TAPE
PIPE ZONE BEDDING AND BACKFILL
PER DETAIL. SEE SHEET M-10
PROVIDE 6" OF CSTC
COMPACTED TO FIRM
AND UNYIELDING
CONDITIONS.
SURFACE FINISH PER
PLAN
18"18"
12"
KEY CDF TRENCH DAM
INTO 12" OF NATIVE
CDF TRENCH DAM
NO SCALE
1. CALL 1-800-424-5555 FOR UTILITY LOCATES 48 HOURS BEFORE CONSTRUCTION.
2. MINIMUM 12" VERTICAL CLEARANCE REQUIRED BETWEEN TOP OF SANIATER
SEWER MAIN AND THE BOTTOM OF CONDUITS CONVEYING POWER, SIGNAL,
AND/OR TELECOMMUNICATION LINES.
3. CHANGES SHALL BE SUBMITTED IN WRITING TO THE ENGINEER FOR APPROVAL
PRIOR TO IMPLEMENTATION OR CONSTRUCTION.
4. KEEP A COPY OF THE APPROVED PLANS AND ALL PROJECT PERMITS ON-SITE
WHENEVER CONSTRUCTION IS IN PROGRESS.
5. TAKE ALL NECESSARY PRECAUTIONS TO PROTECT THE PUBLIC AND PREVENT
NUISANCES. CONTRACTOR SHALL PROVIDE TEMPORARY BRACING FOR THE
STRUCTURE AND STRUCTURAL COMPONENTS UNTIL ALL FINAL CONNECTIONS
HAVE BEEN COMPLETED IN ACCORDANCE WITH THE PLANS. SEE DEMOLITION
NOTES, SHEET G-03
6. PREPARE COMPLETE AS-BUILT RECORDS.
7. PROVIDE ALL CONSTRUCTION STAKING ON THIS PROJECT INCLUDING THE
PREPARATION OF COMPLETE CONSTRUCTION RECORDS. STAKING FOR GRADES
AND ALIGNMENT SHALL BE PERFORMED BY AN ENGINEERING OR SURVEYING FIRM
LICENSED AND CAPABLE OF PERFORMING SUCH WORK. RIGHT OF WAY AND
EASEMENT LIMITS MUST BE CLEARLY IDENTIFIED IN THE FIELD DURING
CONSTRUCTION.
8. A PRECONSTRUCTION CONFERENCE AND 24-HOUR NOTICE WILL BE REQUIRED
PRIOR TO STARTING CONSTRUCTION OR RESTARTING CONSTRUCTION AFTER A
PERIOD OF MORE THAN 5 DAYS OF NO WORK BEING PERFORMED. SEE NOTES ON
SHEET G-03 TO G-07 FOR ADDITIONAL REQUIRED CONFERENCE MEETINGS.
9. RESTORE ALL AREAS DISTURBED BY CONSTRUCTION TO CONDITIONS EQUAL OR
BETTER TO THOSE FOUND PRIOR TO CONSTRUCTION. CONTRACTOR SHALL
HYDROSEED ALL EXISTING GRASS AREAS THAT ARE DISTURBED BY HIS
ACTIVITIES.
10. DETERMINE THE SCOPE, TYPE, SIZE, QUANTITY, METHOD OF INSTALLATION,
OPERATION, AND REMOVAL OF THE DEWATERING SYSTEM NECESSARY TO KEEP
THE EXCAVATION SITE DEWATERED TO STABILIZE THE SOILS FOR
CONSTRUCTION, IF GROUNDWATER IS PRESENT DURING EXCAVATION AND
CONSTRUCTION.
11. DISCHARGE WATER FROM THE DEWATERING SYSTEM IN ACCORDANCE WITH THE
REQUIREMENTS OF STATE AND LOCAL REGULATIONS AND THE REQUIREMENTS OF
THESE PLANS AND NOTES. AT NO TIME SHALL SILT LADEN WATER BE
DISCHARGED OFF SITE. SEE ANY APPLICABLE PERMITS AND SPECIAL PROVISIONS
REGARDING PERMISSIBLE DISCHARGE LOCATIONS FOR FILTERED STORM WATER.
IF NO PERMIT, AND SILT LADEN WATER SHALL BE HAULED OFF-SITE AND
DISPOSED OF IN ACCORDANCE WITH APPLICABLE LAWS AND REGULATIONS.
12. THOSE PERFORMING THIS WORK SHALL CLEANUP ALL AREAS AFFECTED BY THEIR
ACTIVITIES TO THE SATISFACTION OF THE WASHINGTON STATE PARKS AND
RECREATION (WSPRC) DEPARTMENT BY THE END OF EACH WORKING DAY OR
MORE FREQUENTLY IF REQUIRED BY THE WSPRC REPRESENTATIVE. THIS
INCLUDES REMOVAL OF ALL DUST, MUD, ROCKS, ASPHALT DEBRIS, AND REFUSE
FROM PARKING LOTS, STREETS, SIDEWALKS, DRIVEWAYS, AND ANY OTHER
AREAS AFFECTED BY THE CONSTRUCTION ACTIVITIES. FAILURE TO CLEANUP TO
THE SATISFACTION OF THE OWNER'S REPRESENTATIVE WILL NECESSITATE A
SHUTDOWN OF THE PROJECT UNTIL CLEANUP IS PROPERLY PERFORMED. DAILY
CLEANUP IS AN INTEGRAL PART OF EROSION AND POLLUTION CONTROL.
13. ALL EXISTING UTILITIES INDICATED ON THE DRAWINGS HAVE BEEN PLOTTED
FROM THE BEST INFORMATION AVAILABLE TO THE ENGINEER AND SHOULD
THEREFORE BE CONSIDERED APPROXIMATE ONLY AND NOT NECESSARILY
COMPLETE. THE SOURCE OF INFORMATION GENERALLY CONSISTS OF
CONSTRUCTION RECORDS AND OTHER DATA OBTAINED VERBALLY FROM
OFFICIALS ASSOCIATED WITH THE PARTICULAR UTILITY. OWNER AND ENGINEER
DO NOT GUARANTEE AND DO NOT ASSUME ANY RESPONSIBILITY FOR THE
ACCURACY OF THIS INFORMATION. IT IS UNDERSTOOD THAT OTHER ABOVE
GROUND AND UNDERGROUND FACILITIES NOT SHOWN ON THE DRAWINGS MAY
BE ENCOUNTERED DURING THE COURSE OF THE WORK. IT IS THE SOLE
RESPONSIBILITY OF THOSE PERFORMING THIS WORK TO INDEPENDENTLY VERIFY
THE ACCURACY OF ALL UTILITY LOCATIONS SHOWN TO AVOID DAMAGE AND/OR
DISTURBANCE TO SUCH UTILITIES, AND TO FURTHER DISCOVER AND AVOID ANY
OTHER UTILITIES NOT SHOWN HEREON WHICH MAY BE AFFECTED BY THE
IMPLEMENTATION OF THIS PLAN. WORKERS SHALL PRESERVE, PROTECT AND
SUPPORT ALL EXISTING UTILITIES ENCOUNTERED DURING CONSTRUCTION.
14. ALL UTILITIES SHALL BE LOCATED BY THE APPROPRIATE UTILITY LOCATING
PROFESSIONALS, PRIOR TO AND DURING CONSTRUCTION. IMMEDIATELY NOTIFY
THE ENGINEER AND THE UTILITY COMPANY WHEN A CONFLICT OCCURS.
15. COORDINATE WITH THE MAINTENANCE STAFF AT TOLMIE STATE PARK
REGARDING MAINTENANCE AND ACCESS TO THE FACILITIES.
GENERAL CONSTRUCTION NOTES
SEWER TRENCH DETAIL
NOT TO SCALE
PIPE LENGTH MEASUREMENTS
FLANGE x FLANGE (FLxFL) PIPE
MEASURED FROM FACE OF
FLANGE TO FACE OF FLANGE.
FLANGE x PLAIN END (FLxPE) PIPE
MEASURED FROM FACE OF FLANGE
TO CENTER OF FITTING.
PLAIN END x PLAIN END (PExPE) PIPE
MEASURED FROM CENTER OF FITTING
TO CENTER OF FITTING.
RESTRAINED JOINT x RESTRAINED
JOINT (RJxRJ) PIPE
MEASURED FROM CENTER OF
FITTING TO CENTER OF FITTING.
PIPE LENGTH
PIPE LENGTH
PIPE LENGTH
PIPE LENGTH
PIPE LENGTHS CALLED OUT ON PLANS ARE MEASURED AS FOLLOWS:
FITTINGS ARE ASSUMED TO BE STANDARD LENGTH
125#, 250# FLANGED OR COMPACT CLASS 350
MECHANICAL JOINTS. CONTRACTOR RESPONSIBLE
FOR VERIFYING LENGTHS. IT IS THE
CONTRACTOR'S RESPONSIBILITY TO TAKE INTO
ACCOUNT ANY VARIATIONS IN FITTING
DIMENSIONS.
ABBREVIATIONS KEY
EXTG = EXISTING
TYP = TYPICAL
LF = LINEAR FOOT
NOM = NOMINAL
PE = PLAIN END
FL = FLANGE
MJ = MECHANICAL JOINT
RJ = RESTRAINED JOINT
NPT = NATIONAL PIPE TAPERED THREAD
DI = DUCTILE IRON PIPE
PVC = POLYVINYL CHLORIDE PIPE
CSBC = CRUSHED SURFACING BASE
COURSE
CSTC = CRUSHED SURFACING TOP COURSE
CDF = CONTROLLED DENSITY FILL
MIN = MINIMUM
MAX = MAXIMUM
FM = FORCE MAIN
GM = GRAVITY MAIN
SS = SANITARY SEWER LINE
SD = STORM DRAIN SEWER LINE
UG = UNDERGROUND
OH = OVERHEAD
PP = PRIMARY POWER
SP = SECONDARY POWER
℄ = CENTERLINE
∅ = DIAMETER
1.
2.
3.
4.
THRUST AT FITTINGS IN POUNDS
SOIL TYPE
SIZE
4"
6"
8"
10"
12"
14"
16"
3,140
7,070
12,565
19,635
28,275
38,485
50,265
4,440
9,995
17,770
27,770
39,985
54,425
71,085
2,405
5,410
9,620
15,030
21,640
29,455
38,470 19,615
15,015 7,545
9,855
5,54511,030
7,660 3,850
2,4654,905
2,760 1,385
6151,225
EDCBA
TEE AND
DEAD
ENDS
MUCK, PEAT, ETC.
SOFT CLAY
SAND
SAND AND GRAVEL
SAND AND GRAVEL CEMENTED WITH CLAY
HARD SHALE
1,000
2,000
3,000
4,000
10,000
TEST
PRESSURE
(PSI)
SAFE BEARING LOAD
(PSF)
NOTES
11.25
BEND
22.5
BEND
BEND
BEND
Contractor to provide blocking adequate to withstand full test pressure.
Divide thrust by safe bearing load to determine required area (in square feet) of concrete to distribute load.
Areas to be adjusted for other pressure conditions.
Provide two 1" (in) minimum diameter rods on valves up through 10" (in) diameter. Valves larger than 10" (in) require special tie rod design.
1.8
2.3
2.4
3.0
2.9
3.6
3.4
4.2
3.8
108 4.8
4.2
5.3
4.6
5.8
2.8
10"
12"
14"
16"
17"
17"
17"
17"
17"
17"
20"
24"
3.7
250 17"
4.5
5.2
200 5.8
6.5
7.1
24"
1" 27"
30"
THREAD 6"
4"
6"
8"
5/8"
5/8"
5/8"
5/8"
5/8"
7/8"
5/8"
3/4"
5/8"
7/8"
1 1/8"
11.25^
22.5^
45^
11.25^
22.5^
45^
11.25^
22.5^
45^
11.25^
22.5^
45^
11.25^
22.5^
45^
11.25^
22.5^
45^
11.25^
22.5^
45^
FOUR TIE RODS
WITH TURNBUCKLES
THREAD 6"
TWO TIE RODS
WITH TURNBUCKLES
CONCRETE
VOLUME
(Ft )
TEST
PRESSURE
(PSI)
CUBE
SIZE
(Ft)
TEE
OFFSET
DEAD END
BEND
VALVE
PLUGGED TEE
PLUGGED CROSS
PLUGGED CROSS
UNBALANCED CROSS
PLAN VIEW
PLAN VIEW
PLAN VIEW
PLAN VIEW
PLAN VIEW
PROFILE VIEW
PLAN VIEW
(USE COLUMN A )
(USE COLUMN B )
(USE COLUMN A )
(USE COLUMN B )
(USE COLUMN A )
PLAN VIEW
PLAN VIEW
TWO 1" (IN) DIAM. RODS
(SEE NOTE 4)
CONCRETE THRUST BLOCK DETAIL
NOT TO SCALE
HORIZONTAL BENDS
VERTICAL BENDS
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