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SEE LIFT STATION REMOVAL &
WET WELL RECHANNELIZATION ��♦ ♦ o
DETAILS ON THIS SHT. / ��' ,�� ♦,� / 4'WIDE ARBOR WITH
"STONEGATE SIGN"
/ ,��' OQ� ♦O' / x�
REMOVE & SALVAGE ELECTRICAL
SERVICE PANELS TO CITY / 2' ♦ /
MAINTENANCE YARD, COMPLETE WITH
ALL INTERNAL WIRING & COMPONENTS 6 CE : ♦ / 4
i ♦ / x
mom ■m■ ■mom
/ U BUB
•. I
EX. VALVE i
P� (NOT LOCATED) ��� ♦ P �i I P��o�� P X
6 J CE /
6"CE / / : I �I Q X
/ / ♦ COM _j I
FM THIS N _x_j
/ --- 6"PM CONTRACT ♦ '
- - j— — — — — — — — — — — — — — — — EXISTING SS FM
— — — -------•/ EXISTING /6
FM
-------------------------
CB SOLID LID ------- --- --------- -------------------__-
RIM=326.91 ABANDON EX. FORCE
IE=321.01(N)12"ADS MAIN PER DETAIL EX. 8"
IE=321.o1(w)12"CMP THIS SHEET. REMOVE & DISPOSE
SD -
GRAVITY OF EQUIPMENT.
SEWER
\\—EXISTING FORCE MAIN
SSMH 5303327NE 26TH STREET - - - -
RIM=327.52
IE=315.32(NE) I
IE=315.42(W)
- - ..-- - - - - - -I — - - - ----------
--- - - -
I -xi
410
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10 0 10 20
SCALE IN FEET
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d� �37 847
�Gis F,
�sSIONAL
�TrVV1
FOR CONSTRUCTION
RECORDS ONLY
REVISED TO INDICATE
CONSTRUCTION RECORDS
REVISED BY: TERRY VAN WECHEL
DATE: JULY 20, 2012
CONTRACTOR: SHORELINE CONSTRUCTION
THESE CONSTRUCTION RECORD DOCUMENTS HAVE
BEEN PREPARED BY ROTH HILL, LLC. MOST FIELD
INFORMATION PROVIDED BY OTHERS. ROTH HILL HAS
NOT VERIFIED THE ACCURACY AND/OR COMPLETENESS
OF INFORMATION PROVIDED BY OTHERS AND SHALL
NOT BE RESPONSIBLE FOR ANY ERRORS OR
OMISSIONS THAT MAY BE INCORPORATED AS A RESULT
OF ERRONEOUS INFORMATION PROVIDED BY OTHERS.
R0TFH1 LL
DEMOLITION NOTES:
1. ALL MATERIALS SHALL BE DISPOSED OF AT AN APPROVED WASTE
DISPOSAL SITE AS SELECTED BY THE CONTRACTOR.
2. CONTRACTOR SHALL COORDINATE WITH OWNER AND PSE FOR
ELECTRICAL SERVICE DISCONNECTION TO EXISTING STATION.
3. REMOVE EXISTING STATION AFTER APPROVAL IN WRITING BY OWNER
AND AFTER 72 HOURS OF CONTINUOUS SUCCESSFUL OPERATION OF
NEW LIFT STATION. SEE SPECIFICATIONS FOR CONSTRUCTION
RECORD DRAWING OF EXISTING LIFT STATION FACILITY.
4. RESTORE ALL DISTURBED AREAS WITH TOPSOIL AND HYDROSEED.
BYPASS SYSTEM CONSTRUCTION SEQUENCE:
1. INSTALL TEMPORARY BYPASS PIPING BETWEEN MANHOLE 5303327 IN
NE 26TH ST. AND PROPOSED MANHOLE DOWNSTREAM OF THE EX. LIFT
STATION (NOT SHOWN).
2. INSTALL TEMPORARY BYPASS (INCLUDING BYPASS PUMPS, PLUGS,
ETC.) AND PERFORM BYPASS OPERATIONS.
3. ABANDON LIFT STATION
4. PROVIDE TRAFFIC CONTROL FOR FULL DURATION OF BYPASS
OPERATION. AT LEAST ONE LANE OF TRAFFIC MUST REMAIN OPEN AT
ALL TIMES.
5. REMOVE TEMPORARY BYPASS SYSTEM.
I�
BYPASS PLAN GENERAL NOTES:
1. CONTRACTOR SHALL SCHEDULE A MEETING WITH OWNER AND
ENGINEER TO DISCUSS PROPOSED BYPASS PLAN PRIOR TO
INSTALLING THE BYPASS SYSTEM.
2. ALL OF THE CONNECTIONS TO THE EXISTING SYSTEM INVOLVE
POTENTIAL EXPOSURE TO RAW SEWAGE. CONTRACTOR IS
RESPONSIBLE FOR ALL SAFETY PRECAUTIONS ASSOCIATED WITH
WORKING AROUND RAW SEWAGE AND SEWAGE GAS.
3. EXISTING SEWER MAINS SHALL BE PROTECTED AND KEPT IN SERVICE
DURING CONSTRUCTION UNLESS OTHERWISE NOTED IN THIS PLAN.
4. CONTRACTOR SHALL PROVIDE BACKUP POWER FOR TEMPORARY
BYPASS PUMPS THROUGHOUT OPERATION.
5. MAXIMUM ANTICIPATED FLOW FOR EX. STONEGATE L.S. IS 200 GPM,
SIZE ALL BYPASSING EQUIPMENT APPROPRIATELY.
6. THIS BYPASS PLAN IS ONLY INTENDED TO PRESENT POSSIBLE
METHODS FOR PERFORMING THE CONNECTIONS. CONTRACTOR SHALL
EVALUATE AND CONFIRM FEASIBILITY FOR PROPOSED WORK AND
SUBMIT PLAN TO ENGINEER FOR EACH OF THE CONDITIONS AT LEAST 1
WEEK PRIOR TO COMMENCING ANY CONNECTION.
ROMAC 501 COUPLING
PROPOSED 12"PVC
GRAVITY SEWER
(SEE SHT. C5)
RECHANNEL MH w/ GROUT
I�
I
PLUG
I
I
f----
z
�. EX.
-1----- ---
4" FORCE MAIN 1
--- ---
------- --- ----
O
U
(D
CLOSE VALVE
& REMOVE - ------------
z
TOP SECTION
OF VALVE
Y
BOX & STEM
J�
lb
REMOVE 2' TOP SECTION OF MH & INSTALL FLAT
TOP SLAB w/ GRADE ADJUSMENT RINGS & 24"0
MH FRAME & COVER AS NECESSARY (ONE RING
MIN.) POSITION SO THAT MH COVER IS LOCATED
ABOVE THE EXIST. ACCESS LADDER. ENSURE
MANHOLE IS WATERTIGHT.
CONTRACTOR SHALL DISCONNECT PIPING
FROM PACKAGED LIFT STATION & if
DELIVER AND UNLOAD DISCONNECTED
PACKAGED STATION TO CITY
MAINTENANCE YARD (INCLUDING EXIST.
LID) AT 3555 NE 2ND ST. RENTON, WA ° u
n I I I I u
98056 PER SPECIFICATIONS. u
327.70 �_----__-_�
I I Y=-1i I I
I I I I I I
I I I I I
REMOVE & DISPOSE OF
ALL DUCTS & PIPING
INSIDE MANHOLE
I I I I I I
I I I I I li I I I I I
I II II I I
I I I
I I I I I I
PLUG EX. FORCE MAIN
AFTER DRAINING BY
FILLING W/ NON-SHRINK--------r�rr
EPDXY GROUT A MIN. OF -------------'
2 FEET.
I I I I
I I I I
CUT PIPE FLUSH
WITH WALL
I I I I
I I I I
I I I I
I I I I
I I I I
I I I I
EX. 96"0 MH
I I I I
I I I I
I I I I
I I I I
I I I I
IE=312.5
EX. 8" GRAVITY
SEWER
mil
309.6t
PROPOSED 12"PVC
GRAVITY SEWER
(SEE SHT. C5)
ROMAC 501 COUPLING
-IE=312.3
RECHANNEL MH w/ GROUT
MIN. 9" DEPTH
NOTE:
1. ALL PIPE PENETRATIONS IN WET WELL, OVERFLOW STORAGE VAULT, AND VALVE VAULT SHALL
USE LINK SEALS UNLESS OTHERWISE APPROVED. KOR-N-SEAL BOOTS SHALL BE USED FOR PIPE
PENETRATIONS IN MANHOLES. ALL PENETRATIONS SHALL BE MADE WATERTIGHT.
LIFT STATION REMOVAL & WET WELL RECHANNELIZATION DETAILS
NTS
S=3473 10
Roth Hill, LLC Tel 425.869.9448 www.rothhill.com
11130 NE 33rd Place, Suite 200 Bellevue, WA 98004
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