HomeMy WebLinkAboutAB-4316HORIZONTAL DATUM
VERTICAL DATUM
STEVENS AVE NW STORM SYSTEM PROJECT
1-800-424-5555 or 811
DEC 2025
SWP-27-4316
DATE
UNDERGROUND SERVICE
Call 48 Hours
Before You Dig
4
PACE
CJ
CJ
JF
CJ
RECORD
DRAWINGS
VERTICAL: NAVD 1988
HORIZONTAL: NAD 1983/1991DATEAPPRBYREVISION DESCRIPTIONNO.
APPROVED FOR CONSTRUCTION
BY:DATE:
Public Works Department
CITY OF RENTON
COVER C100
1
VICINITY MAP
NOT TO SCALE
STEVENS AVE NW
STORM SYSTEM PROJECT
N
PROJECT
LOCATION
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SW SUNSET BLVD
SW GRADY
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CITY OF RENTON
KING COUNTY
GENERAL ESC NOTES
1.ALL WORK SHALL BE PERFORMED IN ACCORDANCE WITH APPLICABLE LOCAL, STATE AND
FEDERAL LAWS. SEE THE "STANDARD DETAILS" SECTION OF THE PROJECT SPECIFICATIONS FOR
REFERENCED CITY OF RENTON (COR) STANDARD DETAILS AND ANY REFERENCED
WASHINGTON STATE DEPARTMENT OF TRANSPORTATION (WSDOT) STANDARD DETAILS. ALL
WORK AND MATERIALS SHALL BE IN ACCORDANCE WITH THE CITY OF RENTON STANDARDS
AND THE CONTRACT SPECIAL PROVISIONS
2.ALL WORK SHALL BE SUBJECT TO INSPECTION BY THE CITY ENGINEER OR DESIGNATED
REPRESENTATIVE.
3.PRIOR TO BEGINNING CONSTRUCTION, THE CONTRACTOR SHALL MEET WITH THE CITY
ENGINEER FOR A PRECONSTRUCTION CONFERENCE.
4.A COPY OF THESE APPROVED PLANS AND PROJECT SPECIFICATIONS MUST BE ON THE SITE
WHENEVER CONSTRUCTION IS IN PROGRESS.
5.THE CITY OF RENTON ASSUMES NO LIABILITY FOR THE ACCURACY OF THE RECORD
INFORMATION. CONTRACTOR SHALL FIELD LOCATE ALL UTILITIES WITHIN PROPOSED
EXCAVATION LIMITS. CONTACT UNDERGROUND UTILITY LOCATE SERVICE (1-800-454-5555) A
MINIMUM OF 48 HOURS PRIOR TO ANY EXCAVATION TO OBTAIN ON-SITE UTILITY LOCATIONS.
CONTRACTOR SHALL POTHOLE ALL UNDERGROUND GAS, WATER, SERVICE CONNECTIONS,
AND ALL OTHER UNDERGROUND UTILITIES PRIOR TO THE START OF CONSTRUCTION AND
NOTIFY THE ENGINEER OF ANY CONFLICTS. PRECAUTIONS AND REMEDIAL MEASURES SHALL
BE TAKEN AS REQUIRED TO PROTECT PERSONS AND PROPERTY AND TO AVOID DISRUPTION
OF SERVICE. UNLESS OTHERWISE NOTED, PROTECT ALL UTILITIES FROM DAMAGE WHICH
SHALL INCLUDE PROVIDING TEMPORARY SUPPORT SYSTEMS AND SHORING AROUND
UTILITIES DURING EXCAVATION, IF AN EXISTING PRIVATE UTILITY CONFLICTS WITH PROPOSED
IMPROVEMENTS, COORDINATE THE RELOCATION OF THE PRIVATE UTILITY WITH THE UTILITY
OWNER UNLESS NOTED OTHERWISE OR DIRECTED BY THE ENGINEER.
6.CONTRACTOR SHALL BE RESPONSIBLE FOR PREPARATION OF TRAFFIC CONTROL PLANS.
CONTRACTOR SHALL SUBMIT PLANS TO ENGINEER FOR REVIEW AND APPROVAL AT LEAST 10
WORKING DAYS PRIOR TO IMPLEMENTATION.
7.EXISTING WATER LINE BEND AND BLOCKING ARE NOT SHOWN.
8.STORM SEWER LENGTHS ARE MEASURED BETWEEN CENTERS OF MANHOLES AND CATCH
BASINS UNLESS OTHERWISE NOTED.
9.EXCEPT AS OTHERWISE NOTED, CATCH BASIN AND MANHOLE RIM ELEVATIONS GIVEN ARE
APPROXIMATE. FINAL ELEVATIONS SHALL MATCH FINAL GRADE.
10.SITE CONSTRUCTION LIMITS (PRESERVATION LINES) COINCIDE WITH CITY RIGHT-OF-WAY AND
UTILITY EASEMENTS UNLESS SHOWN OTHERWISE.
11.FOR CLARITY OF DRAWINGS, OVERHEAD POWER AND TELECOM ARE NOT SHOWN ON THE
DRAWINGS. CONTRACTOR IS ADVISED THAT THERE ARE OVERHEAD POWER AND TELECOM
THROUGHOUT PROJECT AREA, INCLUDING DIRECTLY OVER PROPOSED PIPE IMPROVEMENTS.
IT IS THE CONTRACTOR'S RESPONSIBILITY TO PERFORM THE WORK IN A SAFE MANNER AND IN
ACCORDANCE WITH ANY REQUIREMENTS SET FORTH BY THE UTILITY OWNER AND
APPLICABLE LAWS AND REGULATIONS.
12.NO STAGING AREA IS PROVIDED TO THE CONTRACTOR. ALL STAGING AREAS SHALL BE ON A
CONTRACTOR SECURED AREA. ALL TESC REQUIREMENTS APPLY TO THE CONTRACTOR'S
OBTAINED STAGING AREA.
13.CONTRACTOR SHALL COORDINATE WITH CITY OF RENTON WATER UTILITY ABOUT ANY
RELOCATION OR MODIFICATION TO SERVICE LINES. TEMPORARY WATER SERVICE RELOCATION
INCLUDES SERVICE LINE AND CONNECTION FITTINGS AND SHALL BE INCIDENTAL TO OTHER
PAYMENT ITEMS.
14.ALL STORM DRAINAGE PIPES SHALL HAVE WATERTIGHT JOINTS PER MANUFACTURER
RECOMMENDATION.
15.CONTRACTOR SHALL REPLACE ANY SURVEY MONUMENTS DISTURBED IN ACCORDANCE WITH
SECTION 1-05.4 OF THE SPECIAL PROVISIONS AND CITY OF RENTON SURVEY STANDARDS AT
NO ADDITIONAL COST TO THE CITY OF RENTON.
1.THE TEMPORARY EROSION AND SEDIMENT CONTROL (TESC) PLAN OUTLINED HEREIN IS CONCEPTUAL. THE
CONTRACTOR IS REQUIRED TO SUBMIT A FINAL TEMPORARY WATER POLLUTION AND EROSION CONTROL PLAN IN
ACCORDANCE WITH SPECIAL PROVISIONS SECTION 1-07.15.
2.THE IMPLEMENTATION OF THESE ESC PLANS AND THE CONSTRUCTION, MAINTENANCE, REPLACEMENT, AND
UPGRADING OF THESE ESC FACILITIES IS THE RESPONSIBILITY OF THE APPLICANT/ESC SUPERVISOR UNTIL ALL
CONSTRUCTION IS APPROVED.
3.THE ESC FACILITIES SHOWN ON THIS PLAN MUST BE CONSTRUCTED PRIOR TO OR IN CONJUNCTION WITH ALL
CLEARING AND GRADING SO AS TO ENSURE THAT THE TRANSPORT OF SEDIMENT TO SURFACE WATERS, DRAINAGE
SYSTEMS, AND ADJACENT PROPERTIES IS MINIMIZED.
4.THE ESC FACILITIES SHOWN ON THESE PLANS OR SPECIFIED HEREIN ARE THE MINIMUM REQUIREMENTS FOR
ANTICIPATED SITE CONDITIONS. DURING THE CONSTRUCTION PERIOD, THESE ESC FACILITIES SHALL BE UPGRADED
AS NEEDED FOR UNEXPECTED STORM EVENTS AND MODIFIED TO ACCOUNT FOR CHANGING SITE CONDITIONS
(E.G., ADDITIONAL SUMP PUMPS, RELOCATION OF DITCHES AND SILT FENCES, ETC.).
5.THE ESC FACILITIES SHALL BE INSPECTED DAILY BY THE APPLICANT/ESC SUPERVISOR AND MAINTAINED TO ENSURE
CONTINUED PROPER FUNCTIONING. WRITTEN RECORDS SHALL BE KEPT OF WEEKLY REVIEWS OF THE ESC FACILITIES
DURING THE WET SEASON (OCT. 1 TO APRIL 30) AND OF MONTHLY REVIEWS DURING THE DRY SEASON (MAY 1 TO
SEPT. 30).
6.ANY AREAS OF EXPOSED SOILS, INCLUDING ROADWAY EMBANKMENTS, THAT WILL NOT BE DISTURBED FOR TWO
DAYS DURING THE WET SEASON OR SEVEN DAYS DURING THE DRY SEASON SHALL BE IMMEDIATELY STABILIZED
WITH THE APPROVED ESC METHODS (E.G., SEEDING, MULCHING, PLASTIC COVERING, ETC.).
7.ANY AREA NEEDING ESC MEASURES NOT REQUIRING IMMEDIATE ATTENTION SHALL BE ADDRESSED WITHIN
FIFTEEN (15) DAYS.
8.THE ESC FACILITIES ON INACTIVE SITES SHALL BE INSPECTED AND MAINTAINED A MINIMUM OF ONCE A MONTH OR
WITHIN FORTY-EIGHT (48) HOURS FOLLOWING A STORM EVENT.
9.AT NO TIME SHALL MORE THAN ONE (1) FOOT OF SEDIMENT BE ALLOWED TO ACCUMULATE WITHIN A CATCH
BASIN. ALL CATCH BASINS AND CONVEYANCE LINES SHALL BE CLEANED PRIOR TO PAVING. THE CLEANING
OPERATION SHALL NOT FLUSH SEDIMENT-LADEN WATER INTO THE DOWNSTREAM SYSTEM.
10.WHERE STRAW MULCH FOR TEMPORARY EROSION CONTROL IS REQUIRED, IT SHALL BE APPLIED AT A MINIMUM
THICKNESS OF 2 TO 3 INCHES.
11.PUBLIC STREETS SHALL BE CLEANED ONCE PER DAY OR AS DIRECTED BY THE CITY. FLUSHING OF STREETS WITH
WATER WILL NOT BE ALLOWED.
12.IN ACCORDANCE WITH THE DEPARTMENT OF ECOLOGY REQUIREMENTS, WASTEWATER FROM CEMENT CONCRETE
MASONRY, OR ASPHALT CONCRETE CUTTING, OR POURING OPERATIONS SHALL NOT BE DISCHARGED INTO STORM
DRAINAGE SYSTEMS OR SURFACE WATERS. IMPERVIOUS SURFACES CONTAMINATED WITH SEDIMENT FROM GRIT
AND CUTTING, PLANING OR PULVERIZING OPERATIONS SHALL BE VACUUM-CLEANED TO PREVENT CONTAMINANTS
FROM ENTERING THE STORM DRAINAGE SYSTEM OR SURFACE WATERS.
13.CATCH BASIN INSERTS SHALL BE PLACED AT ALL CATCH BASINS ALONG PIPE ALIGNMENT. SEE CITY OF RENTON
STANDARD PLAN 216.30.
14.INSTALL SILT FENCING AROUND ENTIRE STAGING/STOCKPILE AREAS PER COR STANDARD PLAN 214.
15.TEMPORARY SEDIMENTATION TANK MAY BE REQUIRED IN CONTRACTOR STAGING AREA IF THE SILT FENCING IS
NOT ADEQUATE.
16.KEEP PUBLIC AND PRIVATE ROADWAYS/PARKING LOTS, SIDEWALKS, AND TRAILS FREE OF DEBRIS AND SEDIMENT.
17.CONSTRUCT TEMPORARY STORMWATER BYPASSES AS NEEDED DURING CONSTRUCTION TO DIVERT STORMWATER
AROUND TRENCHING AND PIPE INSTALLATION ACTIVITIES AND MAINTAIN DRAINAGE OF UPSTREAM
STORMWATER. CONTRACTOR IS RESPONSIBLE FOR DESIGN OF STORM DRAIN BYPASS PLAN. UNLESS OTHERWISE
NOTED, BYPASSES ARE TO BE DESIGNED TO HANDLE THE VOLUME AND PEAK FLOWS OF THE 2-YEAR STORM EVENT
AT A MINIMUM. SUBMIT AS PART OF WATER CONTROL PLAN. STORM DRAIN BYPASS PLAN SHALL ALSO ADDRESS
THE DOWNSTREAM SYSTEM AND PREVENTION OF STORMWATER ENTERING THE WORK AREA BY BACKING UP
FROM DOWNSTREAM.
18.ALL DEWATERING WATER AND RUNOFF WITHIN CONSTRUCTION AREAS SHALL BE TREATED VIA SEDIMENTATION,
FILTRATION THROUGH VEGETATION IN APPROVED AREAS, OR PORTABLE FILTRATION SYSTEMS (UTILIZING TANKS
AND FILTERS), AS NEEDED, PRIOR TO DISCHARGE TO DOWNSTREAM SYSTEM IN ORDER TO MEET ALL APPLICABLE
LOCAL, STATE AND FEDERAL WATER QUALITY REGULATIONS. CONTRACTOR MAY ALSO DISCHARGE TO THE
SANITARY SEWER SYSTEM AFTER OBTAINING APPLICABLE PERMITS AND MEETING PRETREATMENT REQUIREMENTS.
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Sheet List Table
Sheet Number Sheet Title
C100 COVER
C101 SITE PREPERATION PLAN
C102 IMPROVEMENTS PLAN
C103 DETAILS
GENERAL NOTES
3
11
1 1
1
1
1
1
4
4
2
2
2
2
STEVENS AVE NW STORM SYSTEM PROJECT
1-800-424-5555 or 811
DEC 2025
SWP-27-4316
DATE
UNDERGROUND SERVICE
Call 48 Hours
Before You Dig
4
PACE
CJ
CJ
JF
CJ
RECORD
DRAWINGS
VERTICAL: NAVD 1988
HORIZONTAL: NAD 1983/1991DATEAPPRBYREVISION DESCRIPTIONNO.
APPROVED FOR CONSTRUCTION
BY:DATE:
Public Works Department
CITY OF RENTON
Feet
0 10 20
DEMOLITION KEY NOTES
PRESERVE AND PROTECT EXISTING UTILITY.
PRESERVE AND PROTECT EXISTING TREE.
PRESERVE AND PROTECT EXISTING MAILBOXES.
PRESERVE AND PROTECT EXISTING BLOCK WALL.
1
2
3
4
DEMOLITION NOTES
1.THE WORK UNDER THE CONTRACT INCLUDES ALL CLEARING NECESSARY TO COMPLETE ALL
WORK ASSOCIATED WITH THIS PROJECT. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FULLY
REVIEW THE SITE CONDITIONS AND TO CORRELATE THESE OBSERVATIONS WITH THE PROJECT
WORK. CLEARING, GRUBBING, AND DEMOLITION WORK SHALL BE INCIDENTAL TO THE PROJECT.
2.CONTRACTOR SHALL LEGALLY DISPOSE OF ALL DEMOLISHED AND REMOVED MATERIALS FROM
THE SITE UNLESS OTHERWISE NOTED.
3.SEE SHEET C101 FOR ESC NOTES.
4.OVERHEAD POWER LINES EXIST IN THE PROJECT AREA. CONTRACTOR TO EXERCISE CAUTION
WHEN WORKING UNDERNEATH THEM.
DEMOLITION, CLEARING, & TESC LEGEND
SEE NOTES ON SHEET C100 UNLESS OTHERWISE NOTED BELOW.
PROPERTY LINE
STRAW WATTLES PER COR STD. PLAN 213.40
SAWCUT LOCATION
ASPHALT PAVING TO BE REMOVED, SAWCUT EDGES AS REQ'D
(NOTE: PROTECT EX PAVING THAT IS TO REMAIN)
SITE PREPARATION PLAN C101
2
240
245
250
255
260
265
270
240
245
250
255
260
265
270
10+10 10+20 10+30 10+40 10+50 10+60 10+70 10+80 10+90 11+00 11+10 11+20 11+30 11+40 11+50 11+60
SD
C
B
#
1
21 LF 12" DI SD @ 9.60%
EXISTING 8" SEWER
EXISTING CINDERBLOCK LEVEL
SPREADERS TO REMAIN
EXISTING GRADE
6
25 LF 12" SD @ 3.11%
SD
C
B
#
1
B
INV OUT:254.15 12"
INV IN:254.15 12"
N: 180505.34
E: 1296829.28
RIM:256.90
SDCB #11
2
2
32
3
5
RIGHT OF WAY
6
7
N: 180460.8664
E: 1296832.699
N: 180671.8504
E: 1296828.566
7
INV OUT:254.93 12"
N: 180530.38
E: 1296827.53
RIM:257.45
SDCB #1B
12" SD
15
STEVENS AVE NW STORM SYSTEM PROJECT
1-800-424-5555 or 811
DEC 2025
SWP-27-4316
DATE
UNDERGROUND SERVICE
Call 48 Hours
Before You Dig
4
PACE
CJ
CJ
JF
CJ
RECORD
DRAWINGS
VERTICAL: NAVD 1988
HORIZONTAL: NAD 1983/1991DATEAPPRBYREVISION DESCRIPTIONNO.
APPROVED FOR CONSTRUCTION
BY:DATE:
Public Works Department
CITY OF RENTON
KEY NOTES
RECTANGULAR VANED GRATE PER CITY OF RENTON STANDARD PLAN 204.20.
FORM ASPHALT BERM AT EDGE OF PAVEMENT PER DETAIL 3, SHEET C103.
CHANGE IN EDGE TREATMENT PROFILE. TRANSITION TO EXISTING EDGE OF
PAVEMENT SHALL BE ROUND AND SMOOTH WITH NO SHARP EDGES.
RELOCATE EXISTING MAILBOXES PER COR STANDARD PLAN H027.
CREATE ASPHALT BERM SURROUNDING NEW CATCH BASIN PER DETAIL 2,
SHEET C103.
TO MINIMIZE DISTURBANCE TO PRIVATE PROPERTY, INSTALLATION OF
OVERFLOW STRUCTURE AND DISPERSION SHALL BE DONE USING HAND
TOOLS AND MACHINERY THAT CAN ACCESS THE INSTALLATION AREA FROM
THE ROADWAY. NO HEAVY CONSTRUCTION EQUIPMENT SHALL BE USED
OUTSIDE THE RIGHT OF WAY. OVERFLOW STRUCTURE WITH DISPERSION
BOARD SHALL BE FIELD LOCATED TO ALLOW A LEVEL (0%+-0.25% SLOPE)
INSTALLATION OF THE DISPERSION NOTCH BOARD.
SITE SPECIFIC POTHOLE.
1
2
3
4
5
6
7
STORM DRAINAGE NOTES
1.UNLESS OTHERWISE NOTED, ALL STORM PIPES SHALL BE POLYPROPYLENE PER
SP 9-05.24 AND SHALL BE INSTALLED IN ACCORDANCE WITH THE
MANUFACTURER'S REQUIREMENTS.
2.CONTRACTOR TO VERIFY LOCATIONS OF NEW CATCH BASINS WITH ENGINEER
PRIOR TO CONSTRUCTION.
3.ALL NEW CATCH BASIN RISERS SHALL BE ADJUSTED TO FINISHED GRADE PER
CITY OF RENTON STANDARD PLAN 106.
4.CONTRACTOR SHALL MAINTAIN ONE LANE OF TRAFFIC AT ALL TIMES DURING
CONSTRUCTION.
5.CONTRACTOR TO CLEAR VEGETATION AS NECESSARY TO INSTALL PIPE AND
OVERFLOW STRUCTURE WITH DISPERSION BOARD. VEGETATION CLEARING
SHALL BE INCIDENTAL TO PIPE AND STRUCTURE INSTALLATION.
UTILITY LEGEND
SEE NOTES ON SHEET C100 FOR GENERAL NOTES
EXISTING TYPE 1 CATCH BASIN
EXISTING TYPE 2 CATCH BASIN
NEW TYPE 1 CATCH BASIN PER
COR STANDARD PLAN 200.00
PROPERTY LINE
RIGHT OF WAY LINE
SANITARY SEWER PIPE
STORM DRAIN PIPE WITH
FLOW DIRECTION
ASPHALT PAVING PATCH PER COR
STD PLAN 110.1
THICKENED EDGE ASPHALT TREATMENT
PER DETAIL 3, SHEET C103
GRAVEL SHOULDER RESTORATION
Feet
0 10 20
IMPROVEMENTS PLAN C102
3
ENLARGEMENT1
C103
1
C1
0
3
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N
B
O
A
R
D
(N
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)
1.50'
SUBGRADE
MATCH EXISTING GRAVEL
OR VEGETATION3" MIN
EXISTING ASPHALT ROADWAY
0.50'0.50' MIN SOIL BENCH (TYP)
0.
5
0
'
1.
0
0
'
(M
I
N
)
3.
5
8
'
1.00' MIN (TYP)
2" X 12" NOTCHED GRADE BOARD, 2"X2"
NOTCHES, 18" O.C. TO BE INSTALLED AT 0% SLOPE
PER COR STD PLAN 224.00.
PERMEABLE BALLAST PER
SPECIFICATION 9-03.9(2) (TYP)
GRAVEL BACKFILL FOR PIPE ZONE
BEDDING PER SPECIFICATION 9-03.12(3)
NON-WOVEN GEOTEXTILE FABRIC FOR
SEPARATION PER SPECIFICATION 9-33.1.
MIRAFI 160N OR APPROVED ALTERNATIVE.
3' X 36" PVC SDR 35
PIPE SECTION
12" INSERTA-TEE
OR APPROVED
CONNECTOR
IE: 252.17 12"
0.
5
0
'
(T
Y
P
)
4" X 4" SUPPORT POST
WRAP SIDES WITH GEOTEXTILE (TYP)
18
"
M
I
N
PREPARE EXISTING ASPHALT ROAD
SURFACE PER SPECIFICATION 5-04.3(4)
ASPHALT THICKENED EDGE
4"2" MIN
4" X 30" RECTANGULAR CUTOUT IN PIPE.GASKETED END CAP OF SAME MATERIAL
8"MI
N
INV IN:252.17 12"
36" PVC STANDPIPE
FIELD LOCATE TO MAINTAIN FLAT
SLOPE ACROSS NOTCH BOARD
AND MINIMIZE GROUND DISTURBANCE
OVERFLOW STRUCTURE WITH DISPERSION BOARD
8.33'
4.
5
0
'
1.50'
(TYP)
1
C302
1 C1
0
3
DEPRESS CATCH BASIN 1" AND GRADE
SURROUNDING ASPHALT TO DRAIN
STEVENS AVE NW STORM SYSTEM PROJECT
1-800-424-5555 or 811
DEC 2025
SWP-27-4316
DATE
UNDERGROUND SERVICE
Call 48 Hours
Before You Dig
4
PACE
CJ
CJ
JF
CJ
RECORD
DRAWINGS
VERTICAL: NAVD 1988
HORIZONTAL: NAD 1983/1991DATEAPPRBYREVISION DESCRIPTIONNO.
APPROVED FOR CONSTRUCTION
BY:DATE:
Public Works Department
CITY OF RENTON
DETAILS C103
4
1 NOT TO SCALE
OVERFLOW STRUCTURE WITH DISPERSION BOARD PLAN AND PROFILE 3 NOT TO SCALE
RAISED ASPHALT SHOULDER FOR FLOW DIVERSION
2 SCALE: 1" = 2'
RAISED ASPHALT BERM AT CATCH BASIN
Feet
0 2 4
Feet
0 2 4