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Home My WebLink AboutR-401411T It 6 0 w WE CV 00 0 N O c'M O z O c a) E a) O n3 in cv J PAVEMENT/GRADING NOTES 1. ASPHALT PAVEMENT MATERIALS; CONFORM WITH WSDOT SPEC 5-04.2 2. CONCRETE PAVEMENT MATERIALS; CONFORM WITH WSDOT SPEC 5-05.2 3. ASPHALT PAVEMENT CONSTRUCTION; CONFORM WITH WSDOT SPEC 5-04.3 4. CONCRETE PAVEMENT CONSTRUCTION; CONFORM WITH WSDOT SPEC 5-05.3 5. PAVEMENT JOINTS; CONFORM WITH DETAILS ON SHEET C501-5D 6. PROVIDE REINFORCED CONCRETE COLLARS AT ALL CATCH BASINS, MANHOLES AND PVC DRAINS PER DETAILS ON SHEET C501-6F 7. GRADE ADA ACCESSIBLE PARKING STALLS AND ACCESS AISLES AT A MAXIMUM SLOPE OF 2.0% IN ALL DIRECTIONS 8. PAVEMENT SUBGRADE PREPARATION; CONFROM WITH WSDOT STD SPEC 2-06 9. CONSTRUCTION GEOTEXTILE FOR SEPARATION; CONFORM WITH WSDOT STD SPEC 2-12 10. CDF SHALL MEET REQUIREMENTS OF WSDOT STD SPEC 2-09.3(1)E EARTHWORK NOTES 1. DO NOT COMMENCE EARTH MOVING OPERATIONS UNTIL TEMPORARY EROSION AND SEDIMENTATION CONTROL MEASURES ARE IN PLACE. 2. PROTECT AND MAINTAIN EROSION AND SEDIMENTATION CONTROLS DURING EARTH MOVING OPERATIONS. 3. EXCAVATION AND COMPACTION UNDER STRUCTURES SHALL BE IN ACCORDANCE WITH WSDOT STANDARD SPECIFICATION SECTIONS 2-03.3(14) AND 2-09. 4. PAVEMENT SUBGRADE PREPARATION SHALL BE IN ACCORDANCE WITH WSDOT STANDARD SPECIFICATION SECTION 2-06. 5. EXCAVATION AND TRENCHING DURING WET CONDITIONS SHALL COMPLY WITH KING COUNTY CONSTRUCTION DEWATERING PERMIT, DEWATERING PLAN, AND GEOTECHNICAL ENGINEER'S RECOMMENDATIONS. ALL AGGREGATES SHALL CONFORM TO THE FOLLOWING WSDOT STANDARD SPECIFICATIONS: CITY OF RENTON RECOMMENDED CONSTRUCTION SEQUENCE 1. PRE -CONSTRUCTION MEETING. 2. POST SIGN WITH NAME AND PHONE NUMBER OF CSWPP/ESC SUPERVISOR (MAY BE CONSOLIDATED WITH THE REQUIRED NOTICE OF CONSTRUCTION SIGN). 3. FLAG OR FENCE CLEARING LIMITS. 4. INSTALL CATCH BASIN PROTECTION AND STORMWATER BMP AREA PROTECTION AS REQUIRED. 5. GRADE AND INSTALL CONSTRUCTION ENTRANCE(S). 6. INSTALL PERIMETER PROTECTION (SILT FENCE, BRUSH BARRIER, ETC.). 7. CONSTRUCT SEDIMENT PONDS AND TRAPS. 8. GRADE AND STABILIZE CONSTRUCTION ROADS. 9. CONSTRUCT SURFACE WATER CONTROLS (INTERCEPTOR DIKES, PIPE SLOPE DRAINS, ETC.) SIMULTANEOUSLY WITH CLEARING AND GRADING FOR PROJECT DEVELOPMENT. CONSTRUCT SWPPS CONTROLS IN ANTICIPATION OF SCHEDULED CONSTRUCTION ACTIVITY (E.G., CONCRETE -RELATED PH MEASURES FOR UTILITY, VAULT OR ROADWAY CONSTRUCTION) 10. MAINTAIN EROSION CONTROL MEASURES IN ACCORDANCE WITH APPENDIX D OF THE CITY OF RENTON SURFACE WATER DESIGN MANUAL AND MANUFACTURER'S RECOMMENDATIONS. 11. RELOCATE EROSION CONTROL MEASURES OR INSTALL NEW MEASURES SO THAT AS SITE CONDITIONS CHANGE THE EROSION AND SEDIMENT CONTROL AND POLLUTION PREVENTION IS ALWAYS IN ACCORDANCE WITH THE CITY'S EROSION AND SEDIMENT CONTROL STANDARDS. 12. COVER ALL AREAS THAT WILL BE UNWORKED FOR MORE THAN SEVEN DAYS DURING THE DRY SEASON OR TWO DAYS DURING THE WET SEASON WITH STRAW, WOOD FIBER MULCH, COMPOST, OR EQUIVALENT. 13. STABILIZE ALL AREAS THAT REACH FINAL GRADE WITHIN SEVEN DAYS. 14. SEED OR SOD ANY AREAS TO REMAIN UNWORKED FOR MORE THAN 30 DAYS. 15. UPON COMPLETION OF THE PROJECT, ALL DISTURBED AREAS MUST BE STABILIZED AND BMPS REMOVED IF APPROPRIATE. BORROW (GRAVEL) 9-03.14(1) BORROW (SELECT) 9-03.14(2) \ BORROW (COMMON) 9-03.14(3) BORROW (GRAVEL FOR STRUCTURAL EARTH WALL) 9-03.14(4) CRUSHED SURFACING TOP COURSE 9-03.9(3) CRUSHED SURFACING BASE COURSE 9-03.9(3) GRAVEL BASE 9-03.10 GRAVEL BACKFILL FOR PIPE ZONE BEDDING 9-03.12(3) GRAVEL BACKFILL FOR DRAINS 9-03.12(4) GRAVEL BACKFILL FOR DRYWELLS 9-03.12(5) STREAMBED COBBLES (6") 9-03.11(2) ROCK FOR EROSION AND SCOUR PROTECTION CLASS A AND CLASS B 9-13.4 QUARRY SPALLS 9-13.1(5) PERMEABLE BALLAST 9-03.9(2) STOCKPILED TOPSOIL NOTES 1. STOCKPILES SHALL BE STABILIZED (WITH PLASTIC COVERING OR OTHER APPROVED DEVICE) DAILY BETWEEN OCTOBER 1 AND MARCH 31. OUTSIDE OF THE WET SEASON, STOCKPILES SHALL BE COVERED FOR WEEKENDS OR OTHER EXTENDED PERIODS OF NON-USE. 2. IN ANY SEASON, SEDIMENT LEACHING FROM STOCKPILES MUST BE PREVENTED. 3. TOPSOIL SHALL NOT BE PLACED WHILE IN FROZEN OR MUDDY CONDITION, WHEN THE SUBGRADE IS EXCESSIVELY WET, OR WHEN CONDITIONS EXIST THAT MAY OTHERWISE BE DETRIMENTAL TO PROPER GRADING OR PROPOSED SODDING OR SEEDING. 4. PREVIOUSLY ESTABLISHED GRADES ON THE AREAS TO BE TOPSOILED SHALL BE MAINTAINED ACCORDING TO THE APPROVED PLAN. CONSTRUCTION DEWATERING 1. GROUND WATER IS ANTICIPATED TO BE 3 TO 4 FEET BELOW EXISTING GRADES. EXCAVATIONS FOR STRUCTURES AND UTILITIES BELOW THIS DEPTH WILL NEED TO BE DEWATERED FOLLOWING THE GEOTECHNICAL ENGINEER'S RECOMMENDATIONS. PREFERRED DEWATERING METHODS ARE AS FOLLOWS: 1-2 FEET BELOW GROUNDWATER LEVEL • TEMPORARY CONTROLS USING SUMPS AND PUMPS 2-FEET OR MORE BELOW GROUNDWATER LEVEL • SHEET PILE COFFERDAMS EMBEDDED INTO SHALLOW CLAY/SILT LAYER • CLOSELY SPACED SMALL DIAMETER WELLS POINTS 2. CONTRACTOR SHALL PROVIDE DEWATERING PLAN, LABOR AND EQUIPMENT. COORDINATE DEWATERING WITH BOEING CONSTRUCTION MANAGEMENT, SITE ENVIRONMENTAL ENGINEERING AND THEIR GEOTECHNICAL ENGINEER. PROJECT TEAM WILL COORDINATE ROLES AND RESPONSIBILITIES FOR PROPER WATER MANAGEMENT. 3. SEE SHORING DETAILS ON SHEETS SS01 AND SS02 AND SITE STRUCTURAL NOTES ON SHEETS C501-1C AND C501-1D. HORIZONTAL DATUM: WASHINGTON STATE COORDINATE SYSTEM OF 1983, NORTH ZONE VERTICAL CONTROL : ELEVATIONS SHOWN HEREON ARE REFERENCED TO NATIONAL GEODETIC VERTICAL DATUM 1929 (NGVD-29) ALSO KNOWN AS SEA LEVEL DATUM OF 1929 ITEM USCE/AUSTIN NGVD 29 LAKE WASHINGTON HIGH WATER (MAY 1ST) 21.85 15.03 LAKE WASHINGTON LOW WATER (FEB 15TH) 20.35 13.53 LAKE WASHINGTON MAX. WATER BY LAW 22.00 15.18 AUSTIN DATUM (DEFENSE PLANT 1942) 0.00 -6.82 CORPS OF ENGINEERS LK. WASH. DATUM 0.00 -6.82 NGVD 29 6.82 0.00 BLDG 4-20 FLOOR ELEVATION 27.00 20.18 THE ABOVE TABLE OF VERTICAL DATUM IS BASED UPON THE ASSUMPTION THAT THE ORIGINAL DEFENSE PLANT DATUM FOR RENTON AIRFIELD IN 1942 WAS LAKE WASHINGTON DATUM AS ESTABLISHED AND PUBLISHED BY THE U.S. ARMY CORPS OF ENGINEERS AND HIRAM CHITTENDEN LOCKS. PROJECT BENCHMARKS : DHA 501 SCRIBED "X" N 184238.715 E 1300109.968 EL 19.51 DHA 503 SCRIBED "X" N 184323.742 E 1300591.873 EL 21.37 UTILITIES MAPPING: ALL EXISTING UTILITIES SHOWN HEREIN ARE TO BE VERIFIED HORIZONTALLY AND VERTICALLY PRIOR TO ANY CONSTRUCTION. ALL EXISTING FEATURES INCLUDING BURIED UTILITIES ARE SHOWN AS INDICATED BY RECORD LOCATION OR FIELD TIED AS A RESULT OF A UTILITY PAINT -OUT DURING THE COURSE OF THE FIELD SURVEY. DUANE HARTMAN & ASSOCIATES, INC. (DHA) ASSUMES NO LIABILITY FOR THE ACCURACY OF THE RECORD INFORMATION AND/OR THE UTILITY PAINT -OUT. FOR THE FINAL LOCATION OF THE EXISTING UTILITIES IN AREAS CRITICAL TO CONSTRUCTION, CONTACT THE UTILITY OWNER/AGENCY AND UTILITIES UNDERGROUND CENTER (800/424-5555). TOPOGRAPHIC MAPPING: THE MAP SHOWN HEREON IS THE RESULT OF A TOPOGRAPHIC SURVEY BY DUANE HARTMAN & ASSOCIATES, INC. (DHA) COMPLETED IN MAY 2018. DHA ASSUMES NO LIABILITY, BEYOND SAID DATE, FOR ANY FUTURE SURFACE FEATURE MODIFICATIONS OR CONSTRUCTION ACTIVITIES THAT MAY OCCUR WITHIN OR ADJOINING THE PERIMETER OF THIS SURVEY. CONTACT DHA (425/483-5355) FOR SITE UPDATES AND VERIFICATIONS. HORIZONTAL SCALE: 1 " = 100' CONTROL PLAN PROJECT BENCHMARK N 184238.715 E 1300109.968 PROJECT BENCHMARK N 184323.742 E 1300591.873 R-40141 1 IN COMPLIANCE WITH CITY OF RENTON STANDARDS iBergerABAM CIVIL PERMIT SET DEVELOPMENT ENGINEERING , + C�� V3 Ann Fowler 12/14/2018 ALL 48 HOURS ' BEFORE YOU DIG 33301 9th Avenue South, Suite 300 1-800-424-5555 Federal Way, Washington 98003-2600 DESIGN BY: BERGERABAM DATE 10/22/2018 (206) 431-2300 Fax:(206) 431-2250 SYM REVISION BY APPROVED DATE SYM REVISION BY APPROVED DATE DRAWN DATE SUBTITLE CURRENT REVISION SYMBOL DATE �N P. THIS DESIGN B AND/OR CHECKED 10/09/18 GENERAL NOTES AND HORIZONTAL CONTROL C180242 0 R G 10/09/18 ORIG MITIGATION HANGAR C180242 ABAM SPT 10/09/18 T� SPT 10/09/18 SHEET �w��F WAsh�� G SPECIFICATION IS APPROVED ""A, ,�� ® OD ENGINEER �, � ENGINEER TITLE MITIGATION HANGAR C501 - 1 B CO2 APPROVED BY DEPT. DATE BEE 10/09/18 CHECKED RENTON SITE �o R 31271 o ww JOB NO. COMP NO. L�ss�oNaL �APPROVED C 180242 APPROVED CIVIL MASTER SITE RENTON, WADwc No. RTN-YD-0501-1 B co CD Lf-) co CD O 00 T �u , t0 H