HomeMy WebLinkAboutR-413302GENERAL NOTES
1.
ALL WORK SHALL BE PERFORMED IN ACCORDANCE WITH APPLICABLE LOCAL, STATE, AND FEDERAL LAWS.
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2.
ALL WORK AND MATERIALS SHALL BE IN ACCORDANCE WITH THE CITY OF RENTON STANDARDS AND
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SPECIFICATIONS AND WASHINGTON STATE DEPARTMENT OF TRANSPORTATION "STANDARD SPECIFICATIONS FOR
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ROAD, BRIDGE, AND MUNICIPAL CONSTRUCTION", 2020 AND AS AMENDED BY THE CITY OF RENTON
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SUPPLEMENTAL SPECIFICATIONS AND THE CONTRACT SPECIAL PROVISIONS.
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3.
ALL WORK SHALL BE SUBJECT TO THE INSPECTION OF THE CITY ENGINEER OR DESIGNATED REPRESENTATIVE.
4.
PRIOR TO BEGINNING CONSTRUCTION, THE CONTRACTOR SHALL MEET WITH THE CITY ENGINEER FOR A
PRE -CONSTRUCTION CONFERENCE.
5.
A COPY OF THESE APPROVED PLANS AND PROJECT SPECIFICATIONS MUST BE ON THE SITE WHENEVER
CONSTRUCTION IS IN PROGRESS.
6.
PRIOR TO ANY SITE CONSTRUCTION THAT INCLUDES CLEARING OR GRADING, THE SITE CONSTRUCTION LIMITS
SHALL BE LOCATED AND IDENTIFIED BY THE CONTRACTOR'S PROJECT SURVEYOR AND APPROVED BY THE CITY.
7. LOCATIONS OF EXISTING UTILITIES ARE APPROXIMATE. UTILITIES ARE BASED ON A COMBINATION OF ONE OR
MORE OF THE FOLLOWING: OBSERVATION OF SURFACE FEATURES, PAINT MARKS APPLIED BY AN
UNDERGROUND UTILITY LOCATING SERVICE, POTHOLING OF SOME UTILITIES, AND RECORD SCHEMATIC DRAWINGS.
UTILITIES SHOWN IN THESE DRAWINGS ARE FOR THE PURPOSES OF ASSISTING THE CONTRACTOR WITH
LOCATING UTILITIES. CONTRACTOR SHALL FIELD LOCATE AND POTHOLE ALL UTILITIES WITHIN PROPOSED
EXCAVATION LIMITS UNLESS OTHERWISE DIRECTED BY CITY. CONTACT UNDERGROUND UTILITY LOCATE SERVICE
(1-800-424-5555) A MINIMUM OF 48 HOURS PRIOR TO ANY EXCAVATION TO OBTAIN ON -SITE UTILITY
LOCATIONS. POTHOLING SHOULD BE DONE AT LEAST TEN (10) WORKING DAYS IN ADVANCE OF WORK IN THE
AREA. TAKE PRECAUTIONS AND REMEDIAL MEASURES THAT MAY BE 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.
8. THE CONTRACTOR SHALL COMPLY WITH ALL PERMITS AND ALL OTHER REQUIREMENTS BY THE CITY OF
RENTON. SEE APPROVED PERMITS AND PERMIT REQUIREMENTS IN THE PROJECT SPECIFICATIONS.
9. EXISTING UNDERGROUND WATER LINE BENDS AND BLOCKING ARE NOT SHOWN.
10. CONTRACTOR SHALL BE RESPONSIBLE FOR PREPARATION OF TRAFFIC CONTROL PLANS. CONTRACTOR SHALL
SUBMIT PLANS TO THE ENGINEER FOR APPROVAL PRIOR TO IMPLEMENTATION. SEE TRAFFIC CONTROL
REQUIREMENTS IN SECTION 1-10 IN THE SPECIAL PROVISIONS. EXCEPT FOR AS SPECIFICALLY NOTED IN
SECTION 1-10, CONTRACTOR SHALL MAINTAIN A MINIMUM OF ONE LANE OPEN IN EACH DIRECTION AT ALL
TIMES ON ALL ROADS WITHIN THE PROJECT AREA.
11. SEE THE "STANDARD DETAILS" SECTION OF THE PROJECT SPECIFICATIONS FOR REFERENCED CITY OF RENTON
(COR) STANDARD DETAILS AND REFERENCED WASHINGTON STATE DEPARTMENT OF TRANSPORTATION (WSDOT)
STANDARD DETAILS.
12. STORM SEWER LENGTHS ARE MEASURED BETWEEN CENTERS OF MANHOLES AND CATCH BASINS UNLESS
OTHERWISE NOTED.
13. EXCEPT AS OTHERWISE NOTED, CATCH BASIN AND MANHOLE RIM ELEVATIONS GIVEN WITHIN PAVED AREAS ARE
APPROXIMATE. FINAL ELEVATIONS SHALL MATCH FINAL GRADE.
14. FOR BEDDING AND BACKFILLING AROUND EXISTING OR NEW UTILITIES USE CDF WHERE STANDARD METHODS
DO NOT PERMIT COMPACTION REQUIREMENTS TO BE MET, AS SHOWN ON THE DWGS, OR AS DIRECTED BY
ENGINEER.
15. FIELD LOCATE AND POTHOLE UTILITIES WHERE INDICATED IN PLANS. PROVIDE INFORMATION ON EXISTING
UTILITY TO ENGINEER TWO WEEKS PRIOR TO ANY UNDERGROUND WORK NEAR THE UTILITY.
16. SEGMENTS OF THE WORK MAY BE PERFORMED UNDER ELECTRICAL OVERHEAD POWER LINES. 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. EXISTING
OVERHEAD LIGHTING AND TRAFFIC SIGNALS ARE SHOWN AS SYMBOLS. THE ACTUAL EXTENTS OF THESE
FEATURES ARE NOT SHOWN TO SCALE ON DRAWINGS.
0 17. NO STAGING AREA IS PROVIDED TO THE CONTRACTOR. ALL STAGING AREAS SHALL BE ON A
w CONTRACTOR -SECURED AREA. ALL TESC REQUIREMENTS SHALL APPLY TO ALL STAGING AREAS.
18. WHEN SEPARATION OF NEW PIPE IS LESS THAN 6" FROM EXISTING UTILITY USE ETHAFOAM PAD PER
7-08.3(2)K.
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19. CONTRACTOR SHALL ERECT ONE (1) PROJECT SIGN. SEE DETAIL 3, DWG C5.
20. CONTRACTOR SHALL NOTIFY SEATTLE PUBLIC UTILITIES, CREW CHIEF, RICHARD COX AT 206-953-0184 WITH
MINIMUM 72-HOURS NOTICE PRIOR TO WORKING WITHIN 10-FEET OF 36" SPU WATER MAIN LINE.
21. CONTRACTOR SHALL CONTACT KING COUNTY METRO AT 206-477-1140 WITH NOTICE OF AT LEAST 10
WORKING DAYS PRIOR TO CONSTRUCTION ACTIVITIES.
22. NO CONSTRUCTION RELATED ACTIVITY SHALL CONTRIBUTE TO THE DEGRADATION OF THE ENVIRONMENT, ALLOW
MATERIAL TO ENTER THE SURFACE OR GROUND WATERS, OR ALLOW PARTICULATE EMISSIONS TO THE
ATMOSPHERE, WHICH EXCEED STATE OR FEDERAL STANDARDS. ANY ACTIONS THAT POTENTIALLY ALLOW A
DISCHARGE TO STATE WATERS MUST HAVE PRIOR APPROVAL OF THE WASHINGTON STATE DEPARTMENT OF
ECOLOGY.
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TESC BMPs INSTALLATION, VMTENANCL9 AND DISCHARGES
GENERAL TESC REQUIREMENTS
1. INLET PROTECTION SHALL BE INSTALLED IN ANY ROAD OR PARKING LOT DRAINAGE
1. THE ESC FACILITIES SHOWN ON THIS PLAN MUST BE CONSTRUCTED PRIOR TO OR IN
SYSTEM INLETS, EXISTING OR NEWLY INSTALLED, WHICH ARE LIKELY TO RECEIVE
CONJUNCTION WITH ALL CLEARING AND GRADING ACTIVITIES IN SUCH A MANNER AS
RUNOFF FROM THE DISTURBED AREAS DURING CONSTRUCTION. INLET PROTECTION
TO ENSURE THAT SEDIMENT -LADEN WATER DOES NOT ENTER THE DRAINAGE
SHOWN ON THE TESC PLANS ARE APPROXIMATE LOCATIONS. THE CONTRACTOR SHALL
SYSTEM OR VIOLATE APPLICABLE WATER QUALITY STANDARDS. WHEREVER POSSIBLE,
ADD INLET PROTECTION AS NECESSARY TO ALL CATCH BASINS THAT RECEIVE STORM
MAINTAIN NATURAL VEGETATION FOR SILT CONTROL.
WATER RUNOFF WITHIN THE PROJECT AREA AND THAT MAY OR MAY NOT BE SHOWN ON
THE TESC PLANS. ALL INLET PROTECTION MUST BE REMOVED ONCE THE CONSTRUCTION
IS 2. THE ESC FACILITIES SHOWN ON THIS PLAN ARE THE MINIMUM REQUIREMENTS FOR
COMPLETE.
ANTICIPATED SITE CONDITIONS. DURING THE CONSTRUCTION PERIOD, THESE ESC
2. AT NO TIME SHALL MORE THAN 1 FOOT OF SEDIMENT BE ALLOWED TO ACCUMULATE
FACILITIES SHALL BE UPGRADED (E.G., ADDITIONAL SUMPS, RELOCATION OF HIGH
WITHIN A CATCH BASIN. ALL CATCH BASINS AND CONVEYANCE LINES SHALL BE
VISIBILITY FENCE AND ADDITIONAL BERMS, ETC.) AS NEEDED FOR UNEXPECTED
CLEANED AT THE COMPLETION OF THE PROJECT. THE CLEANING OPERATION SHALL
STORM EVENTS. ADDITIONALLY, MORE ESC FACILITIES MAY BE REQUIRED TO
NOT FLUSH SEDIMENT -LADEN WATER INTO THE DOWNSTREAM SYSTEM.
ENSURE COMPLETE SILTATION CONTROL. THEREFORE, DURING THE COURSE OF
CONSTRUCTION IT SHALL BE THE OBLIGATION AND RESPONSIBILITY OF THE CONTRACTOR
3. WHERE SEEDING FOR TEMPORARY EROSION CONTROL IS USED, FAST GERMINATING
TO ADDRESS ANY NEW CONDITIONS THAT MAY BE CREATED BY ITS ACTIVITIES AND TO
GRASSES SHALL BE APPLIED AT AN APPROPRIATE RATE (EXAMPLE: ANNUAL OR
PROVIDE ADDITIONAL FACILITIES OVER AND ABOVE THE MINIMUM REQUIREMENTS AS MAY
PERENNIAL RYE APPLIED AT APPROXIMATELY 80 POUNDS PER ACRE).
BE NEEDED.
4. WHERE STRAW MULCH IS USED FOR TEMPORARY EROSION CONTROL, IT SHALL BE
APPLIED AT A MINIMUM THICKNESS OF 2", AND BE CERTIFIED WEED FREE.
5. ALL WORK AND MATERIALS SHALL BE IN ACCORDANCE WITH CITY OF RENTON
STANDARDS AND SPECIFICATIONS.
6. THE ESC FACILITIES SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE DETAILS ON
THE APPROVED PLANS. LOCATIONS MAY BE MOVED TO SUIT FIELD CONDITIONS,
SUBJECT TO APPROVAL BY THE ENGINEER AND THE CITY OF RENTON INSPECTOR.
7. OFF -SITE STREETS MUST BE KEPT CLEAN AT ALL TIMES. IF DIRT OR MUD IS
DEPOSITED ON THE PUBLIC STREET SYSTEM, THE STREET SHALL BE IMMEDIATELY
CLEANED WITH POWER SWEEPER OR OTHER EQUIPMENT. ALL VEHICLES SHALL LEAVE
THE SITE BY WAY OF THE CONSTRUCTION ENTRANCE AND SHALL BE CLEANED OF ALL
DIRT THAT WOULD BE DEPOSITED ON THE PUBLIC STREETS.
8. IF ANY PART(S) OF THE CLEARING LIMIT BOUNDARY OR TEMPORARY EROSION/SEDIMENTATION
CONTROL MEASURE(S) IS/ARE DAMAGED, IT SHALL BE REPAIRED IMMEDIATELY.
9. ALL PROPERTIES ADJACENT TO THE PROJECT SITE SHALL BE PROTECTED FROM SEDIMENT
DEPOSITION AND RUNOFF.
10. DO NOT FLUSH CONCRETE BY-PRODUCTS INTO THE STORM DRAINAGE SYSTEM. IF EXPOSED
AGGREGATE IS FLUSHED INTO THE STORM SYSTEM, IT COULD MEAN RE -CLEANING THE ENTIRE
DOWNSTREAM STORM SYSTEM, OR POSSIBLY RE-LAYING THE STORM LINE.
11. THE CONTRACTOR SHALL NOT DISCHARGE TURBID WATER GENERATED FROM CONSTRUCTION
ACTIVITIES, DIRECTLY TO ANY STREAMS, STORM WATER SYSTEM INLETS, OR DRAINAGE DITCHES
IN ACCORDANCE WITH THE GENERAL PERMIT.
12. THE CONTRACTOR SHALL NOT DISCHARGE ANY CLEANING SOLVENTS OR CHEMICALS UTILIZED
FOR TOOL OR EQUIPMENT CLEANING TO THE GROUND. REFUELING OF EQUIPMENT SHALL BE
CONDUCTED AWAY FROM THE DRAINAGE FACILITIES AND DONE IN SUCH A MANNER AS TO
PREVENT SPILLS FROM ENTERING THE GROUNDWATER OR WATER BODIES (INCLUDING WETLANDS).
SPILLS SHOULD BE PREVENTED FROM HITTING THE GROUND PER CONSTRUCTION STORMWATER
POLLUTION PREVENTION PLAN (CSWPPP).
13. THE CONTRACTOR SHALL SET ASIDE A SEPARATE AREA FOR THE WASH -OUT OF CONSTRUCTION
EQUIPMENT AND TOOLS.
14. THE CONTRACTOR SHALL PROPERLY DISPOSE OF ALL CONSTRUCTION DEBRIS IN AN APPROVED
AND PERMITTED LANDFILL FACILITY.
15. CONTRACTOR SHALL VERIFY THE FEASIBILITY, OBTAIN AN INDUSTRIAL WASTE DISCHARGE
AUTHORIZATION PERMIT AND SEEK APPROVAL FROM THE CITY OF RENTON UTILITY DISTRICT
PRIOR TO DISCHARGE OF ANY CONSTRUCTION RUNOFF TO THE SANITARY SEWER.
SECTION INDICATORS
DRAWING ON WHICH SECTION IS CUT (Cl
SECTION LETTER
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C22
DRAWING REFERENCE NUMBER
ON WHICH SECTION APPEARS
DRAWING ON WHICH SECTION APPEARS (C2):
SECTION SECTION LETTER A
DESCRIPTION (OPTIONAL) C1
SCALE: XX DRAWING REFERENCE
NUMBER ON WHICH
SECTION IS CUT
SURVEYED:
1 ALLIANCE
DESIGNED:
1 ALLIANCE
DRAWN.
AM
BID SET JE 8-14-2020 MSG CHECKED:
JC
REVISION BY DATE APPR APPRMG OVED
DETAIL INDICATOR
DRAWING ON WHICH DETAIL IS REFERENCED (Cl):
DETAIL NUMBER
1
C2
DRAWING REFERENCE NUMBER
ON WHICH DETAIL APPEARS
DRAWING ON WHICH DETAIL APPEARS (C2):
DETAIL DETAIL NUMBER
DESCRIPTION (OPTIONAL) C1
SCALE: XX
DRAWING REFERENCE NUMBER
ON WHICH DETAIL IS REFERENCED
SCALE:
AS NOTED
ONE INCH
AT FULL SCALE
IF NOT ONE INCH
SCALE ACCORDINGLY
VERTICAL: NAVD 1988
HORIZONTAL. NAD 1983/1991
!, DATUM
3. THE ESC FACILITIES SHALL BE INSPECTED BY THE CONTRACTOR DAILY
DURING NON -RAINFALL PERIODS, EVERY HOUR (WORKING HOURS) OR EVERY EIGHT
HOURS (NON -WORKING HOURS) DURING A RAINFALL EVENT AND AT THE END OF
EVERY RAINFALL, AND MAINTAINED AS NECESSARY TO ENSURE THEIR CONTINUED
FUNCTIONING. IN ADDITION, TEMPORARY SILTATION PONDS AND ALL TEMPORARY
SILTATION CONTROLS SHALL BE MAINTAINED IN A SATISFACTORY CONDITION UNTIL SUCH
TIME THAT CLEARING AND/OR CONSTRUCTION IS COMPLETED, PERMANENT DRAINAGE
FACILITIES ARE OPERATIONAL, AND THE POTENTIAL FOR EROSION HAS PASSED.
WRITTEN RECORDS SHALL BE KEPT DOCUMENTING THE REVIEWS OF THE ESC
FACILITIES.
4. THE ESC FACILITIES ON INACTIVE SITES SHALL BE INSPECTED AND MAINTAINED
A MINIMUM OF ONCE A MONTH OR WITHIN 48 HOURS FOLLOWING A STORM EVENT.
5. THE ENGINEER HAS THE AUTHORITY TO HALT CONSTRUCTION IF EROSION CONTROLS
ARE NOT MAINTAINED PROPERLY OR IF A VIOLATION HAS NOT BEEN CORRECTED.
THE CONTRACTOR SHALL BEAR ALL RISK AND ALL COSTS OF ANY WORK DELAYS
CAUSED BY THESE ACTIONS.
ABBREVIATIONS
APPROX APPROXIMATE IE INVERT ELEVATION
BLDG
BUILDING
LF
LINEAR FEET
BR-1
BORING # 1
LT
LEFT
CB
CATCH BASIN
MH
MANHOLE
CDF
CONTROLLED DENSITY FILL
MIC
MONUMENT IN CASE
CIP
CAST IN PLACE
MIN
MINIMUM
CJ
CONSTRUCTION JOINT
i
CENTER LINE
N
NORTHING, NORTH
CL
CLASS, CENTER LINE
NE
NORTHEAST
CLF
CHAIN LINK FENCE
NO
NUMBER
CLR
CLEAR
NTS
NOT TO SCALE
CMP
CORRUGATED METAL PIPE
CO
CLEAN OUT
OC
ON CENTER
COMM
COMMUNICATION
OD
OUTSIDE DIAMETER
CONIC
CONCRETE
OH
OVERHEAD
CPEP
CORRUGATED POLYETHYLENE PIPE
OU
OVERHEAD UTILITY
CSBC
CRUSHED SURFACING BASE COURSE
CSTC
CRUSHED SURFACING TOP COURSE
PPP
POLYPROPYLENE PIPE
CTJ
CONTROL JOINT
PSE
PUGET SOUND ENERGY
CTR
CENTER
PVC
POLYVINYL CHLORIDE
CY
CUBIC YARD
R
RADIUS
DI
DUCTILE IRON
RCP
REINFORCED CONCRETE PIPING
DIA
DIAMETER
ROW
RIGHT OF WAY
DWG
DRAWING
S
SLOPE, SOUTH
E
EASTING, EAST
SD
STORM DRAIN
EL, ELEV
ELEVATION
SDMH
STORM DRAIN MANHOLE
EOP
EDGE OF PAVEMENT
SHT
SHEET
ESC
EROSION AND SEDIMENTATION CONTROL
SIM
SIMILAR
EX. EXIST
EXISTING
SS
SANITARY SEWER
SSMH
SANITARY SEWER MANHOLE
GALV
GALVANIZED
STA
STATION
STD
STANDARD
HMA
HOT MIX ASPHALT
SWPPP
STORMWATER POLLUTION PREVENTION PLAN
HORIZ
HORIZONTAL
% 0+ CITY OF
RENTON
Planning/Building/Public Works Dept.
TESC TEMPORARY EROSION AND SEDIMENT
CONTROL
TYP TYPICAL
WSEL WATER SURFACE ELEVATION
XXXX SDMH/SDCB NUMBER
R-413301
--T
HEATHER DOWNS DETENTION POND WATER 8/15/2020
QUALITY RETROFIT PROJECT FILLDB°°
NOTES & ABBREVIATIONS
PAGE.
DRAWING N0:
G2
SHEET:
2 8
S
W
P-
3
9
8
9