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DRAINAGE & GRADING NOTES
1. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH CITY OF RENTON
SPECIFICATIONS.
2. EXISTING UTILITIES SHOWN ON THE PLANS HAVE BEEN PLOTTED FROM THE
BEST INFORMATION AVAILABLE TO THE ENGINEER. IT SHALL BE THE
CONTRACTOR'S I:ESPONSIBILITY TO LOCATE ANY EXISTING UTILITIES WHICH
MAY CONFLICT WITH THE CONTRACTOR'S OPERATION, WHETHER SHOWN ON
THE PLANS OR NOT.
3. THE CONTRACTOR SHALL NOTIFY EACH UTILITY AND COORDINATE HIS
WORK SCHEDULE WITH THE CONSTRUCTION OF UNDERGROUND POWER,
TELEPHONE, AND GAS FACILITIES.
4. ALL DISTURBED AREAS SHALL BE SEEDED OR STABILIZED BY OTHER
SURFACE WATER MANAGEMENT METHODS FOR THE PREVENTION OF ONSITE
EROSION AFTER THE COMPLETION OF CONSTRUCTION.
5. GRASS SEEDING WILL BE DONE USING AN APPROVED TYPE HYDRO -SEEDER,
OR AS OTHERWISE APPROVED BY CITY OF RENTON DEPT. OF PUBLIC WORKS.
THE PERFORMANCE BOND WILL NOT BE RELEASED UNTIL THE GRASS HAS
BEEN ESTABLISHED, UNLESS OTHERWISE APPROVED BY THE CITY OF
RENTON DEPT. OF PUBLIC WORKS.
6. THE STORM DRAINAGE SYSTEM SHALL BE CONSTRUCTED ACCORDING TO
THE APPROVED PLANS WHICH ARE ON FILE IN THE DEPT. OF PUBLIC WORKS
CENTRAL RECORDS. ANY DEVIATION FROM THE APPROVED PLANS WILL
REQUIRE WRITTEN APPROVAL FROM THE PROPER AGENCY, CURRENTLY
THE CITY OF RENTON DEPT. OF PUBLIC WORKS.
7. A COPY OF THESE APPROVED PLANS MUST BE ON THE JOB SITE WHENEVER
CONSTRUCTION IS IN PROGRESS.
S. PRIOR TO ANY CONSTRUCTION/DEVELOPMENT ACTIVITY THE CITY OF
RENTON DEPT. OF PUBLIC WORKS DEVELOPMENT INSPECTION SELECTION
MUST BE CONTACTED (PHONE NO. 235-2540) FOR A PRE -CONSTRUCTION
MEETING.
9. ALL BUILDING DOWNSPOUTS AND FOOTING DRAINS SHALL BE CONNECTED
TO THE STORM DRAINAGE SYSTEM, UNLESS OTHERWISE APPROVED BY THE
DEPT. OF PUBLIC WORKS.
10. ALL PIPE SHALL BE LAID ON A PROPERLY PREPARED FOUNDATION ACCOR-
DING TO WASH. STATE SPEC. 7-02.30). THIS SHALL INCLUDE NECESSARY
LEVELING OF THE TRENCH BOTTOM OI: THE TOP OF THE FOUINDA I IO%
;MATERIAL AS WELL AS PLACEMENT AND COMPACTION OF REQUIRED
BEDDING MATERIAL TO UNIFORM GRADE SO THAT TI11: ENTIRE LENGTH OFTHE PIPE WILL 13E SUPPORTED ON A UNIFORMLY DENSE UNYIELDING BASE.
IF THE NATIVE MATERIAL IN THE BOTTOM OF THE TRENCH MEETS THE
REQUIREMENTS FOR "GRAVEL BACKFILL FOR PIPE BEDDING", THE FIRST
LIFT OF PIPE BEDDING MAY BE OMITTED PROVIDED THE MATERIAL IN THE
BOTTOM OF THE TRENCH IS LOOSENED, REGRADED AND COMPACTED TO
FORM A DENSE UNYIELDING BASE.
11. ALL CATCH BASIN GRATES SHALL BE DEPRESSED 0.10 FEET BELOW
PAVEMENT LEVEL.
12. STORM DRAINAGE PIPE SHALL CONFORM TO THE FOLLOWING:
A. GALVANIZED CORRUGATED STEEL PIPE (SEC. 60-3.011 APWA); .064" MIN.
THICK NES$=TREATMENT PROTECTION (SEC. 60-3.011 APWA.
B. CORRUGATED ALUMINUM ALLOY PIPE (SEC. 60-3.01J APWA) MIN. 16 GA.
DETENTION FACILITY WILL REQUIRE HEAVIER GAUGE PIPE.
13. GALVANIZED STEEL PIPE UTILIZED AS DETENTION FACILITIES SHALL HAVE
ASPHALT TREATMENT #I OR BETTER INSIDE AND OUTSIDE.
14. EXCESS WATER - SHOULD WATER BE ENCOUNTERED DURING CONSTRUC-
TION, IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO DEWATER
BEFORE CONSTRUCTION CONTINUES.
15. WHERE MATERIAL EXCAVATED. FROM THE TRENCH IS UNSUITABLE FOR
BACKFILL, THE CONTRACTOR SHALL PROVIDE SUITABLE BACKFILL.
16. ALL TRENCH BACKFILL, STRUCTURAL FILL, AND EARTHWORK IN GENERAL
SHALL BE COMPACTED TO 90% OF MAXIMUM DENSITY AS TESTED IN
ACCORDANCE WITH ASTM D-1557, EXCEPT IN PAVED AREAS WHERE
BACKFILL SHALL BE COMPACTED TO 90% OF MAXIMUM DENSITY UP TO 6"
BELOW SUBGRADE. THE 6" BELOW SUBGRADE IN PAVED AREAS SHALL BE
COMPACTED TO 95% OF MAXIMUM DENSITY AS TESTED IN ACCORDANCE
WITH ASTM D-1557.
17. ALL PARKING AREA SUBGRADE CONSTRUCTION SHALL CONFORM TO
SECTION (5-02) OF THE APWA STANDARD SPECIFICATIONS.
18. CRUSHED ROCK USED FOR BASE AND/OR TOP COARSE MATERIAL SHALL
CONFORM TO SECTION (9-03.9) OF THE APWA STANDARD SPECIFICATIONS.
19. ALL PARKING AREAS SHALL BE PAVED WITH CLASS B ASPHALT CONCRETE
CONFORMING TO SECTION (5-04) OF THE APWA STANDARD SPECS.
TEMPORARY EROSION NOTES
1. ALL LIMITS OF CLEARING AND AREAS OF VEGETATION PRESERVATION
AS PRESCRIBED ON THE PLAN SHALL BE CLEARLY FLAGGED IN THE
FIELD AND OBSERVED DURING CONSTRUCTION.
2. ALL REQUIRED SEDIMENTATION/EROSION CONTROL FACILITIES MUST
BE CONSTRUCTED AND IN OPERATION PRIOR TO LAND CLEARING
AND/OR OTHER CONSTRUCTION TO ENSURE THAT SEDIMENT LADEN
WATER DOES NOT ENTER THE NATURAL DRAINAGE SYSTEM. ALL
EROSION AND SEDIMENT FACILITIES SHALL BE MAINTAINED IN A
SATISFACTORY CONDITION UNTIL SUCH TIME THAT CLEARING AND/OR
CONSTRUCTION 1S COMPLETED AND POTENTIAL FOI1 ONSITL EROSION
HAS PASSED. THE IMPLEML=NTATION, MAINTENANCE, REPLACEMENT
AND ADDITIONS TO EROSION/SEDIMENTATION CONTROL SYSTEMS
SHALL BE TFIE RESPONSIBILITY OF THE PERMITTEE.
3. THE EROSION AND SEDIMENTATION CONTROL SYSTEMS DEPICTED IN
THIS DRAWING ARE INTENDED TO BE MINIMUM REQUIREMENTS TO
MEET ANTICIPATED SITE CONDITIONS. AS CONSTRUCTION PROGRESSES
AND UNEXPECTED OR SEASONAL CONDITIONS DICTATE, THE
PERMITTL-E SHOULD ANTICIPATE THAT MORE EROSION AND
SEDIMENTATION CONTROL FACILITIES WILL BE NECESSARY TO ENSURE
COMPLETE SILTATION CONTROL ON THE PROPOSED SITE. DURING THE
COURSE OF CONSTRUCTION, IT SHALL BE THE OBLIGATION AND
RESPONSIBILITY OF THE PERMITTEE TO ADDRESS ANY NEW
CONDITIONS THAT MAY BE CREATED BY HIS ACTIVITIES AND TO
PROVIDE ADDITIONAL FACILITIES, OVER AND ABOVE MINIMUM
REQUIREMENTS, AS MAY BE NEEDED TO PROTECT ADJACENT
PROPERTIES AND WATL'-R QUALITY OF THE RECEIVING DRAINAGE
SYSTEM.
4. APPROVAL OF TI-115 PLAN IS FOR EROSION/SLDLMENTATION CONTROL
ONLY. IT DOES NOT CONSTITUTE AN APPROVAL OF STORM DRAINAGE
DESIGN, SIZE NOR LOCATION OF PIPES, RESTRICTORS, CHANNELS OR
DETENTION FACILITIES.
5. IN ANY AREA WHICH HAS BEEN STRIPPED OF VEGETATION AND WFILRL
NO FURTHER WORK IS ANTICIPATED FOR A PERIOD OF 30 DAYS OR
MORE, ALL DISTURBED AREAS MUST BL IMMEDIATELY STABILIZED WITH
MULCHING, GRASS PLANTING OR OTHER APPROVED EROSION CONTROL
TREATMENT APPLICABLE TO THE TIME OF YEALZ IN QUESTION. GRASS
SEEDING ALONE .MAY BL ACCEPTABLE ONLY DURING THE MONTHS OF
APP.IL THRU SEPTEMBER. INCLUSIVE. SEEDING MAY PROCEED
WHENEVER 1T IS IN THE INTEREST OF THE PER:MITTEE, BUT .MUST BE
AUGMENTED WITH MULCHING, NETTING, OR OTHEIZ TREATMENT
APPROVED BY CITY OF RENTON PUBLIC WORKS DEPARTMENT OUTSIDE
THE SPECIFIED TIME PERIOD.
6. FOR ALL EROSION/SEDIMENTATION CONTROL PONDS WHERE THE DEAD
STORAGE DEPTH EXCEEDS 6 INCHES, A FENCE AT A MINIMUM OF 3
FEET HIGH IS REQUIRED.
7. ROCK FOR EROSION PROTECTION OF ROADSIDE DITCHES, WHERE
REQUIRED, SHALL BE OF SOUND QUARRY ROCK TO A DEPTH OF 1
FOOT. ROCK AGGREGATE TO BE AS FOLLOWS:
1/2" - 2" 10�� - 20`;0
2" - 4" 20% - 40%
4"-8"400/0-700/6
SANITARY SEWER NOTES
1. ALL WORK AND MATERIALS SHALL CONFORM TO APWA/WSDOT 1984
STANDARD SPECFICATIONS FOR ROAD, BRIDGE AND MUNICIPAL
CONSTRUCTION.
2. TEST OBSERVATION AND INSPECTION BY CITY OF RENTON.
3. PRIOR TO BEGINNING WORK, ARRANGEMENTS SHALL BE MADE WITH
CITY OF RENTON FOR A PRE -CONSTRUCTION CONFERENCE TO BE
ATTENDED BY THE CONTRACTOR, DISTRICT REPRESENTATIVES AND
OTHER REPRESENTATIVES OF INTERESTED UTILITIES.
4. LOCATION SHOWN OF EXISTING UTILITIES ARE APPROXIMATE ONLY
AND IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO
CERTIFY THE CORRECT LOCATIONS SO AS TO AVOID DAMAGE OR
DISTURBANCE.
5. SIDE SEWER LOCATIONS TO BE VERIFIED IN THE FIELD PRIOR TO
CONSTRUCTION.
6. PRIOR TO CONSTRUCTING SEWER LINES, THE NECESSARY LOT
CORNERS MUST BE SET.
7. SIDE SEWERS TO BE IN ACCORDANCE WITH THE REQUIREMENTS OF
CITY OF RENTON. ALL SIDE SEWER SHALL BE A MINIMUM 6"
DIAMETER PIPE AT A MINIMUM SLOPE OF 2%.
S. ALL MANHOLES NOT IN PAVED R/W TO HAVE LOCKING LIDS.
9. SANITARY SEWER PIPE TO BE P.V.C. CONFORMING WITH ASTM D-3034
OR SDR 35. PIPE BEDDING SHALL CONSIST OF COMPACTED
GRANULAR MATERIAL (PEA GRAVEL) A MINIMUM OF 6" BELOW THE
BOTTOM OF THE PIPE BELL AND A MINIMUM OF 6" ABOVE THE TOP OF
THE PIPE BELL.
10. P.V.C. SEWER PIPES SHALL BE TESTED FOR DEFLECTION AS SPECIFIED
IN SECTION (7-17.3(4)H).
PACIFIC
WATER NOTES
I. ALL WORK MATERIALS SHALL BE IN CONFORMANCE WITH THE,
STANDARDS AND SPECIFICATIONS OF THE CITY OF RENTON UTILITY
DEPARTMENT AND THE LATEST EDITION OF THE APWA STANDARDS
AND SPECIFICATIONS. A SET OF APPROVED PLANS SHALL BE KEPT ON
SITE AT ALL TIMES DURING CONSTRUCTION.
2. THE HOURS OF WORK IN THE STREET RIGHT-OF-WAY SHALL BF
LIMITED TO 8:30 AM TO 3:30 PM ON WEEKDAYS ONLY UNLESS
OTHERWISE APPROVED IN WRITING BY THE DESIGN ENGINEER AT 235-
2635. ALL STREET CLOSURES, PARTIAL OR FULL, SHALL BE APPROVED
BY THE STREET SUPERINTENDENT 24 HOURS IN ADVANCE. THE
POLICE DEPARTMENT, FIRE DEPARTMENT, AND 911 SHALL BF
NOTIFIED 24 HOURS IN ADVANCE.
3. ALL LOCATIONS OF EXISTING UTILITIES SHOWN ARE APPROXIMATE
AND IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO VERIFY THE
TRUE AND CORRECT LOCATION SO AS TO AVOID DAMAGE OR
DISTURBANCE. FOR UTILITY LOCATE CALL 48-HOUR LOCATORS, 1-
800-424-5555.
4. ALL WATER MAIN PIPE TO BE CEMENT LINED DUCTILE IRON PIPE
CONFORMING TO AWWA CI10 AND C111 OR LATEST REVISION,
THICKNESS CLASS 52. CEMENT MORTAR LINING AND SEAL COATING
SHALL CONFORM TO AWWA C104 OR LATEST REVISION. PIPE JOINTS
TO BE PUSH -ON OR MECHANICAL JOINT. BEDDING TO BE CLASS C.
ALL DUCTILE IRON PIPE INSTALLED SOUTH OF SUNSET BOULEVARD
(EMPIRE WAY, SR 900) AND WEST OF SR 167 (EAST VALLEY FREEWAY)
OR IN SOILS OF HIGH RESISTIVITY SHALL BE POLYETHYLENE WRAPPED
PER ANSI/AW\VA C105-77 STANDARDS.
5. CAST IRON AND DUCTILE IRON FITTINGS SHALL BE CEMENT LINED,
PRESSURE RATED AS NOTED ON PLANS, AND IN ACCORDANCE WITH
ANSI/AWWA CI10/A21.10-82. CEMENT LINING SHALL BE IN
ACCORDANCE WITH ANSI/AWWA C104/A21.4-85. IF FITTINGS ARE 3
INCHES TO 12 INCHES IN DIAMETER AND HAVE MECHANICAL JOINTS,
THE FITTINGS SHALL BE IN ACCORDANCE WITH EITHER ANSI/AWWA
CI10/A21.10-S2 OR ANSI/AWWA C153/A21.53-84. 3 INCH TO 12 INCH
DIAMETER FITTINGS WHICH HAVE MECHANICAL JOINTS AND/OR
FLANGED JOINTS SHALL BE IN ACCORDANCE WITH ANSI/AWWA
C110/A21.10.S2 OR A COMBINATION OF ANSI/AWWA CI10/A21.10.82 AND
ANSI/AWWA C153/A21.53-84 SUCH THAT THE PORTION OF THE FITTING
WITH A MECHANICAL JO1NT(S), MAY BE IN ACCORDANCE WITH
ANSI/AW\VA C153/A21.53-84 AND THAT PORTION OF THE FITTING WITH
FLANGED JOINT(S) SHALL BE IN ACCORDANCE WITH ANSI/AWWA
CI10/A21.10-82. ACCEPTANCE TESTING 1N ACCORDANCE WITH
SECTION 53-5.3 OF ANSI/AWWA C153/A21.53-84 OR WITH SECTION 10-4.3
OF ANSI/AWWA CI10/A21.10-82 SHALL BE OBTAINED BY THL
CONTRACTOR AND TRANSMITTED TO THE OWNER.
6. GATE VALVES SHALL CONFORM TO AWWA C500 AND SHALL BE IRON
BODY, BRONZED -MOUNTED, DOUBLE DISC WITH BRONZE WEDGING
DEVICE AND O-RIGHT STUFFING BOX. VALVES SHALL BE DESIGNED
FOR A MINIMUM WATER OPERATING PRESSURE OF 200 PSI. GATE
VALVES SHALL BE CLOW LIST 14, MUELLER COMPANY NO. A2380, OR M
3c H. ALL VALVES 12" IN DIAMETER AND LARGER, SHALL BE
INSTALLED IN A VAULT. SEE WATER STANDARD DETAIL FOR 12" GATL
VALVE ASSEMBLY VAULT AND 1" BYPASS INSTALLATION.
7. FIRE HYDRANTS SHALL BE COREY TYPE (OPENING WITH THL
PRESSURE) CONFORMING TO AWWA C-504-80 WITH A 6 INCH INLET AND
A M.V.O. OF 5 INCHES, TWO 2-112 INCH HOSE NOZZLES WITH NATIONAL
STANDARD 7 INCH, 60 DEGREES V. THREADS, O.D. THREAD 4.875 AND
ROOT DIAMETER 4-6263, 1-1/4" PENTAGON OPERATING NUT OPENED Bl'
TURNING COUNTER CLOCKWISE (LEFT).
S. ALL WATER MAIN 10 INCHES AND SMALLER TO MAINTAIN A MINIMUM.
COVER OF 36 INCHES BELOW FINISH GRADE. ALL WATER. MAIN 12
INCHES AND LARGER SHALL BE AT A MINIMUM OF 48 INCHES BELOW
FINISH GRADE. WHERE UTILITY CONFLICTS OCCUR, WATER MAINS
ARE TO BE LOWERED TO CLEAR.
9. ALL WATER MAINS SHALL BE PRESSURE TESTED AND DISINFECTED IN
ACCORDANCE WITH THE SPECIFICATIONS OF THE CITY OF RENTON
AND THE WASHINGTON STATE HEALTH DEPARTMENT. ALL PRESSURE
TESTING SHALL BE DONE IN THE PRESENCE OF A REPRESENTATIVE OF
THE CITY OF RENTON.
10. A PRECONSTRUCTION CONFERENCE IS REQUIRED PRIOR TO ANY
CONSTRUCTION. A MINIMUM OF 3 (THREE) WORKING DAYS NOTICE IS
REQUIRED FOR SCHEDULING. PRIOR TO SCHEDULING THE
PRECONSTRUCTION CONFERENCE A PERMIT INFORMATION SHEET
MUST BE SUPPLIED TO THE UTILITY ENGINEER'S OFFICE. TWENTY-
FOUR HOUR NOTICE WILL BE REQUIRED PRIOR TO STARTING NEW
CONSTRUCTION.
11. 1T SHALL BE THE CONTRACTOR'S RESPONSIBILITY TO SECURE ALL
NECESSARY PERMITS PRIOR TO STARTING CONSTRUCTION.
12. INSTALLATION OF CORPORATE STOPS, WATER SERVICES, LINES AND
METERS SHALL NOT BE DONE UNTIL ALL SERVICE AGREEMENTS,
METER APPLICATIONS, CONSTRUCTION PERMITS, AND PAYMENT OF
FEES HAVE BEEN MADE TO THE CITY OF RENTON.
13. ALL CONNECTION TO EXISTING MAINS TO BE ACCOMPLISHED BY THE.
CITY OF RENTON, EXCEPT WET TAPS WHICH MAY BE ,MADE BY
APPROVED WET TAP CONTRACTORS WITH PRIOR APPROVAL OF FROM
THE CITY OF RENTON. ALL NECESSARY EXCAVATION AND
MATERIALS TO 13E SUPPLIED BY THE CONTRACTOR AND BE ON -SITE
PRIOR TO CITY NOTIFICATIONS.
14. INSPECTION WILL BE ACCOMPLISHED BY A REPRESENTATIVE OF THE
CITY OF RENTON. IT SHALL BE THE CONTRACTOR'S RESPONSIBILITY
TO NOTIFY THE UTILITY DEPARTMENT 24 HOURS IN ADVANCE OF
BACKFILLING ALL CONSTRUCTION. THE CONTRACTOR AS WELL AS
THE ENGINEERS SHALL KEEP AS -BUILT DRAWINGS.
15. CONTRACTOR TO PROVIDE PLUGS AND TEMPORARY BLOW -OFF
ASSEMBLIES FOR TESTING AND PURITY ACCEPTANCE PRIOR TO FINAL
TIE-IN.
16. ALL JOINT RESTRAINT SYSTEMS (SHACKLE RODS, NUTS, BOLTS, ETC.)
SHALL BE AS MANUFACTURED BY THE STAR MANUFACTURING
COMPANY OF COLUNIBUS OHIO OR EQUAL -APPROVED IN WRITING BY
THE CITY OF RENTON.
17. ASPHALT AND CONCRETE STREET PAVING SHALL BE SAW'CUT TO A
MINIMUM DEPTH OF TWO INCHES. OIL MAT STREETS MAY BE SPADE
CUT. ALL SURFACE CONCRETE, PAVEMENT, SIDEWALKS, CURB,
GUTTERS, AND DRIVEWAY APPROACHES SHALL BE SAWCUT TO A
MINIMUM DEPTH OF TWO INCHES OR REMOVED TO AN EXISTING
EXPANSION JOINT.
18. A TEMPORARY COLD MIX ASPHALT PATCH SHALL BE PLACED ON THE
DAY OF INITIAL EXCAVATION WITH A PERMANENT, SEALED PATCH TO
BE PLACED, TO CITY OF RENTON POLICY, WITHIN TEN DAYS. CALL
FOR SUBGRADE INSPECTION PRIOR TO PLACEMENT OF FINAL PATCH.
TRENCHES WILL NOT BE LEFT OPEN OVER NIGHT WITHOUT PRIOR
WRITTEN APPROVAL OF THE INSPECTOR.
19. FOR CITY PROJECTS SUCH AS TELEMETRY CONDUIT, THE PVC PIPE
USED SHALL BE SCHEDULE 40 1N UNIMPROVED AREAS AND SCHEDULE
80 UNDER IMPROVED AREAS. ALL CHEMICAL PROCESS LINES SHALL BE
SCHEDULE 80 PVC PIPE.
WATER SERVICE TABLE
USE UPC CHARTS NO. 10-1 (PAGE 81) AND NO. 10-2 (PAGE 83)
PRESSURE RANGE 60 + PSI
HYDRAULIC GRADIENT = 565
PRESSURE
RANGE
FIXTURE
UNITS
METER & STREET
SERVICE SIZE
BLDG.SUPPLY
SVC. LINE SIZE
REC
P.R. 57
F.U. 21
M do SSS 1"
BSSLS 1"
A B C D E F G H I
58-69 56-65 62-70 52-57 51-55 49-53 55-60 53-58 53-57
252 120 168 136 68 102 102 119 102
1-1/2" 1-1/2" 2" 2" 1-1/2" 1-1/2" 1-1/2" 1-1/2" 1-1/2"
APPROVED
2" 1-1/2" 1-1/2" 1-1/2" 1-1/2" 1-1/2" 1-1/2" 1-1/2" 1-1/2"
CITY OF REMOM Pl MIC WfOR DIRECTOR
ENGINEERING COMPANY
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PROJECT NO
86-70
DRAWN BY
DGS
ISSUE DATE
I2_IG-5LQ
LATEST REV
5-IZ-P-,7
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CIVIL ENGINEERING AND
PLANNING CONSULTANTS