The URL can be used to link to this page

Home My WebLink AboutR-430606Cfl O M O W H DEVELOPMENT ENGINEERING SAMorman 07/05/2024 ' IIIIIIIII I MAPLEWOOD HEIGHTS ELEMENTARY SCHOOL U0U Know what's beIow. Call before you dig. A PORTION OF THESE 1/4 OF THE NE 1/4 OF SEC. 15, TWNm 23 N., RGEm 05 E. W.M. CITY OF RENTON, KING COUNTY, WASHINGTON. DRAINAGE GRATE GRATE FRAME SEDIMENT AND DEBRIS FILTERED WATER SECTION VIEW DRAINAGE GRATE I RECTANGULAR GRATE SINOWH) BELOW INLET GRATE DEVICE 5' MAX r TRIM OVERFLOW BYPASS BELOW INLET GRATE DEVICE RETRIEVAL SYSTEM ITYP.I OVERFLOW BYPASS (TYP.) NOTES- t. PROTECTION SHAL L BE PROVIDED FOR ALL STORM DRAIN INLETS DDWNSLDPE AND WITHIN 5W FEET OF A DISTURBED OR CONSTRUCTION ARM UNLESS THE RUNOFF THAT ENTERS THE CATCH BASIN WILL BE CONVEYED TO A SEDIMENT POND OR TRAP 2. INLET PROTECTION SHALL BE USED TO PROTECT THE DRAINAGE SYSTEM. 3. THIE CONTRIOUTING DRAINAGE AREA MUST NOT BE LARGER THAN ONE ACRE. i 512E THE BELOW INLET GRATE 13EVICE(BIGDI FOR THE STGRMWATER STRUCTURE IT WILL SERVICE. 5. THE BIGO SHALL HAVE A BUILT-IN HEGH-FLOW RELIEF SYSTEM (OVERFLOW BYPASS(. 6- THE RETRIEVAL SYSTEM MUST ALLOW REMOVAL OF THE BIGD WITHOUT SPILLING THE COLLECTEO MATERIAL. 7 PERFORM MAINTENANCE IN ACCORDANCE WITH STANDARD SPECIFICATH7N 8,01.3116). 8. ANY SEDIMENT IN THE CATCH BASIN INSERT SHALL BE REMOVED WHEN THE SEDIMENT HAS FILLED ONE-THIRD OF THE AVAILABLE STORAGE THE FILTER MEDIA FOR THE INSERT SHALL BE CLEANED OR REPLACED AT LEAST MONTHLY. GNLES5 OTHERWLSF NOT[°, 6RAW I%G 15 NOT TO 5CAU INT51 STD. PLAN - 216.30 PUBLIC WORKS "F R L°' DEPARTMENT CATCH BASIN INSERT GAZ 9/28/2018 1 pATp CATCH BASIN INSERT NOT TO SCALE EROSION AND SEDIMENT CONTROL (ESC) STANDARD PLAN NOTES: THE FOLLOWING IS A LLSTING OF GENERAL NOTES THAT SHALL BE INCORPORATED IN THE EROSION AND SEDIMENT CONTROL {ESG) PLAN SET ALL THE NOTES ON THE LIST MAY NOT PERTAIN TO EVERY PRC*JECT. THE APPLICANT OR OWNER. HEREBY REFERRED TO AS APPLICANT, MAY STRIKE OUT IRRELEVANT NOTES IF NOT APPLICASLE TO THE PROJECT. HOWEVER. THE APPLICANT SHALL NOT RENUMBER NOR EDIT THE REMAINING NOTES. IF ADDITIONAL NOTES ARE NEEDED FOR SPECIFIC ASPECTS, THEY SHALL BE ADDED AFTER THE ESC STANDARD PLAN NOTES. 1. BEFORE ANY CONSTRUCTION OR OEVELOPMENT ACTIVITY OCCURS, A PRE -CONSTRUCTION MEETING SWILL BE HELD AMONG THE CITY OF RENTON. HEREBY REFERRED TO AS THE CITY, THE APPLICANT, AND THE APPLTGANTS CONTRAIS T 2 THE APPLICANT 15 RESPON50LE FOR OBTAINING THE WASHINGTON STATE DEPARTMENT OF ECOLOGY IECOLOGYi CONSTRUCTION STORMWATER GENERAL PERMIT, IF IT IS REQUIRED FOR THE PROJECT THE APPLICANT SHALL PROVIDE THE CITY COPIES OF ALL MONITORING REPORTS PROVIDED TO ECOLOGY ASSOCATED WITH THE CONSTRUCTION S70RUWATER GENERAL PERMIT 3. THE ESC PLAN SET SHALL INCLUDE AN ESC CONSTRUCTION SEQUENCE DETAILING THE ORDERED STEPS THAT SHALL BE FOLLOWED FROM CONSTRUCTION COMMENCEMENT TO POST -PROJECT CLEANUP IN ORDER TO FULFILL PROJECT ESC REQUIREMENTS- 4 THE BOUNDARIES OF THE CLEARING LIMITS, SENSITIVE AREAS AND THEIR BUFFERS. AND AREAS OF VEGETATION PRESERVATION AND TREE RETENTION AS PRESCRIBED DIN THE PLANS) SHALL BE CLEARLY DELINEATED BY FENCING AND PROTECTED IN THE FIELD IN ACCORDANCE WITH APPENDIX D OF THE CRY OF RENTON SURFACE WATER DESIGN MANUAL (RENTON SWDM) PRIOR TO THE START OF CONSTRUCTION. DURING THE CON57RUCTION PERIOD, NO DISTURBANCE BEYOND THE CLEARING LIMITS SHALL RE PERMITTED. THE CLEARING LIMITS SHALL BE MAINTAINED BY THE APPLICANTIESC SUPERVISOR FOR THE DURATION OF CONSTRUCTION. 5. STABILIZED CONSTRIGTIDN ENTRANCES SHALL BE INSTALLED AT THE BEGINNING OF CONSTRUCTION AND MAINTAIN ED FOR THE DURATION OF THE PROJECT ADDITIONAL MEASURES. SUCH AS CONSTRUCTED WHEEL WASH SYSTEMS OR WASH PADS, MAY BE REQUIRED TO ENSURE THAT ALL PAVED AREAS ARE KEPT CLEAN AND TRACK -OUT TO ROAD RIGHT OF WAY DOES NOT OCCUR FOR THE DURATION OF THE PROJECT. IF SEDIMENT IS TRACKED OFFSITE, PUBLIC ROADS SHALL BE CLEANED THOROUGHLY AT THE END OF EACH DAY. OR MORE FREQUENTLY DURING WET WEATHER. AS NECESSARY TO PREVENT SEDIMENT FROM ENTERING WATERS OF THB STATE. S. WASHOUT FROM CONCRETE TRUCKS SHALL BE PERFORMED OFF -SITE OR IN DESIGNATED CONCRETE WASHOUT AREAS ONLY. DO NOT WASH OUT CONCRETE TRUCKS ONTO THE GROUND. OR TTJ STORM DRAINS OR OPEN DITCHES. ON -SITE DUMPING OF EXCESS CONCRETE SHALL ONLY OCCUR IN DESIGNATED CONCRETE WASHOUT AREAS. 7 ALL REOUIRED ESC BMPS SHALL BE CONSTRUCTED AND IN OPERATION. PRIOR TO LAND CLEARING ANDfOR CONSTRUCTION TO PREVENT TRANSPORTATION OF SEMM ENT TO SURFACE WATER, DRAINAGE SYSTEMS AND ADJACENT PROPERTIES. ALL ESC BMPS SHALL BE MANNTAINED IN A SATISFACTORY CONDMON UNTIL SUCH TIME THAT CLEARING ANDTOR CONSTRUCTION IS COMPLETE AND POTENTIAL FOR ON -SITE EROSION HAS PASSED. ALL ESC SMPS SHALL BE REMOVED AFTER CONSTRUCTION IS COMPLETED AND THE SITE HAS BEEN STABILIZED TO ENSURE POTENTIAL FOR ON$11 E EROSION DOES NOT EXIST. THE IMPLEMENTATION, MAINTENANCE. REPLACEMENT, ENHANCEMENT, AND REMOVAL OF ESC BMPS SHALL BE THE RESPONSI BILFTY OF THE APPLICANT B. ANY HAZARDOUS MATERIALS OR LID UIO PRORUCTS THAT HAVE THE POTENTIAL TO POLLUTE RUNOFF SHALL BE DISPOSED OF PROPERLY D. THE ESC BMPS DEPICTED ON THIS DRAWING ARE INTENDED TO BE MINIMUM REQUIREMENTS TO MEET ANTICIPATED SITE CONDITIONS AS CONSTRUCTION PROGRESSES AND UNEXPECTED OR SEASONAL CONDITIONS DICTATE. THE APPLICANT SHALL ANTICIPATE THAT MORE ESC BWPS WILL BE NECES°wWRY TO ENSVRE COMPLETE SILTATION CONTROL ON THE PROPOSED SITE DURING THE COURSE OF CONSTRUCTION, IT SHALL BE THE OBLIGATION AND RESPONTSIBILITY OF THE APPLICANT TO ADDRESS ANY NEW CONDITIONS THAT MAY BE CREATED BY THE ACTIVITIES AND TO PROVIDE ADDITIONAL ESC BMPS. OVER AND ABOVE MINIMUM REQUIREMENTS. AS MAY BE NEEDED, TO PROTECT ADJACENT PROPERTIES AND WATER DUALITY OF THE RECEIVING ORAINAGE SYSTEM- 10 APPROVAL OF THIS PLAN IS FOR ESC ONLY. IT DOES NOT CONSTITUTE AN APPROVAL OF STORM DRAINAGE DESIGN, SIZE NOR LOCATION OF PIPES. RESTRICTORS, CHANNELS. OR STORMWATER FACILITIES. 1 I ANY DETYATERING SYSTEM NECESSARY FOR THE CONSTRUCTION OF STORMWATER FACILITIES SHALL BE SUBMITTED TO THE CITY FOR REVIEW AND APPROVAL. 1 T ANY AREAS OF EXPOSED SOILS, INCLUDING ROADWAY EMDANRMENTS, THAT WILL NOT BE DISTURBED FOR TWO DAYS DURIN5 THE WET SEASON IOCTOBER IST THROUGH APRIL 30TH) OR SEVEN DAYS DURING THE DRY SEASON IMAM $ ST THROUGH SEPTEMBER 3PTH) SHALL BE IMMEDIATELY STABILIZED WITH THE APPROVED ESC COVER METHODS TE G.. SEEDING, MULCHING, PLASTIC COVERING, ETC.( IN CONFORMANCE WITH APPENDIX D OF THE RENTON SWDM. 13. WET SEASON ESC REQUIREMENTS APPLY TO ALL CONSTRUCTION SITES BETWEEN OCTOBER 1ST AND APRJL 30TH, UNLESS OTHERWISE APPROVED BY THE CITY. 1+ ANY AREA NEEDING ADDITIONAL ESC MEASURES, NOT REQUIRING IMMEDIATE ATTENTION, SHALL BE AOOR ESSED WITHIN SEVEN (7) DAYS 1 S. THE ESC BMPS ON INACTIVE SITES SHALL OE INSPECTED ANO MAINTAINED AT A MINIMUM OF ONCE A MONTH OR WITHIN ZA HOURS FOLLOWING A STORM EVENT. INSPECTION AND MAINTENANCE SHALL OCCUR MORE FREQUENTLY AS REGUIR£D BY THE CITY 19. BEFORE COMMENCEMENT OF ANY CONSTRUCTION ACTIVITY, CATCH BASIN INSERTS PER THE CITY STANDARD PLAN 2HL30 SHALL BE PROVIDED FOR ALL STORM DRAIN INLETS DOWNSLOPE ANO WITHIN 500 FEET OF A DISTURBED OR COMTRUCT10N AREA, UNLESS THE RUNOFF THAT ENTERS THE INLET WILL BE CONVEYED TO A SEDIMENT POND OR TRAP ALL CATCH BASIN INSERTS SHALL BE PERIODICALLY INSPECTED AND REPLACED AS NECESSARY TO ENSURE FULLY FUNCTIONING CONDITION 17 AT NO TIME SHALL SEDIMENT ACCUMULATION EXCEED 2A OF THE CAPACITY OF THE CATCH BASIN SUMP. ALL CATCH BASIN$ AND CONVEYANCE LINES SHALL BE CLEANED PRIOR TO PAVING THE CLEANING OPERATION SHALL NOT FLM-I SEDIMENT -LADEN WATER INTO THE DOWNSTREAM SYSTEM. 18. ANY PERMANENT STORM WATER FACILITY LOCATION USED AS A TEMPORARY SETTLING RABIN SHALL BE MODIFIED WITH THE N ECESSWTY ESC BMPS AND SHALL PROVIDE ADEQUATE STORAGE CAPACITY. IF THE TEMPORARY FAC ILITY IS TO ULTIMATELY FUNCTION AS AN INFILTRATKNN SYSTEM IN ITS PERMANENT STATE, THE TEMPORARY FAC IL TY SHALL SE ROUGH GRADED $0 THAT THE BOTTOM AND SIDES ARE AT LEAST THREE FEET ABOVE THE FINAL GRADE OF THE PERMANENT FACILITY. t 9 AREAS DESIGNATED ON THE PLAN(S) CONTAINING EXISTING STORMWATER FACILITIES OR ON -SITE BMPS (AMENDED SOILS. WORETEHTIDN. PERMEABLE PAVEMENT. ETC.) SHALL BE CLEARLY FENCED AND PROTECTED USING ESC BMPS TO AVOID SEDIMENTATION AND COMPACTION OUR ING CONSTRUCT ION 20. PRIOR TO THE BEGINNING OF THE WET SEASON (OGTOBER 15T). ALL DISTURBED AREA& 514ALL BE INSPECTED TO IDENTIFY WHICH ONES SHALL BE SODDED OR SEEDED IN PREPARATION FOR THE WINTER RAINS. OSTURBEO AREAS SHALL BE SDDOED OR SEEDED WITHIN ONE WEEK OF THE BEGINNING Or THE WET SEASON. AN "HIBIT OF THOSE AREAS TO BE SODDED OR SEEDFA AND THOSE AREAS TO REMAIN UNCOVERED SHM4 BE SUBMITTED TO THE CITY FOR REVIEW. 21 PRIOR TO FINAL CONSTRUCTION ACCEPTANCE, THE PROJECT SITE SHALL BE STABILIZED TO PREVENT SEOIMENT-LADEN WATER FROM LEAVING THE PROJECT SITE, ALL ESC BMPS SHALL BE REMOVED, AND STORMWATER CONVEYANCE SYSTEMS. FACILITIES. ANO ON -SITE BMPS SHALL BE RESTORED TO THEIR FULLY FUNCTION ING CONDITION. ALL DISTURBED AREAS OF THE PROJECT $IT£ SHALL BE VEGETATED OR OTHERWISE PERMANENTLY STABILIZED AT A MINIMUM. DISTURBED AREAS SHALL BE SODDED OR SEEDED AND MULCHED TO ENSURE THAT SUFFICIENT COVER WILL DEVELOP SHORTLY AFTER FINAL APPROVAL MULCH WITHOUT SEEDING IS ADEQUATE FOR AREAS TO BE LANDSCAPED BEFDRE OCTOBER tST. 22 ROCKERiES ARE CONSIDERED TO BE A METHOD OF BANK STABILIZATION AND EROSION CONTROL. ROCKERIES SHALL HOT BE CONSTRUCTED TO SERVE AS RETAINING WALLS. ALL ROCKERIES IN C ITY ROAD RIGNTSOF-WAY SHALL BE CONSTRUCTED IN ACCORDANCE WITH CITY STANDARDS. ROCKIER ES OUTSIDE OF ROAD RIGHTS -OF -WAY SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE INTERNATIONAL BUILDING CODE UNLES5 OTHERWL5F ROT[°, °RAINING E 74M TO WAL{ INT51 STD. PLAN - 268.01D UR• PUBLIC WORKS EROSION AND SEDIMENT CONTROL v U11 DEPARTMENT STANDARD PLAN NOTES GAZ 9/28/2019 1 nAtu TESC STANDARD PLAN NOTES NOT TO SCALE DEMOLITION NOTES 1. DEMOLITION: IT IS THE INTENT OF THE WORK UNDER THIS CONTRACT TO INCLUDE THE DEMOLITION OF ALL EXISTING PAVING, UTILITIES AND OTHER EXISTING SITE IMPROVEMENTS INCLUDING THEIR UNDERGROUND COMPONENTS AS INDICATED BY THIS DRAWING AND AS REQUIRED FOR NEW CONSTRUCTION. IT IS THE CONTRACTOR'S RESPONSIBILITY TO FULLY REVIEW THE SITE CONDITIONS AND TO CORRELATE THESE OBSERVATIONS WITH THE PROJECT WORK AND INCLUDE ALL NECESSARY DEMOLITION, WHETHER SHOWN OR NOT, AND INCLUDE ALL SUCH COSTS IN THE BASE BID. 2. CLEARING: IT IS THE INTENT OF THE WORK UNDER THIS CONTRACT TO CONDUCT ALL CLEARING NECESSARY TO BE ABLE TO COMPLETE ALL THE WORK OF THIS PROJECT. 3. CONTRACTOR SHALL LEGALLY DISPOSE OF THE OWNER'S PROPERTY, ALL DEMOLISHED AND REMOVED MATERIALS, UNLESS INDICATED OTHERWISE. 4. CONTRACTOR SHALL ENSURE THAT ADEQUATE FIRE PROTECTION ACCESS IS PROVIDED TO SITE AND EXISTING STRUCTURES TO REMAIN. CONTRACTOR SHALL ALSO PROVIDE ADEQUATE FIRE PROTECTION FOR THE NEW BUILDING. 5. CONTRACTOR SHALL MINIMIZE DUST GENERATION ONSITE BY SPRINKLING THE SITE WITH WATER UNTIL SURFACE IS WET. SEE BMP C140. 6. SAWCUT CONCRETE SIDEWALK AT THE NEAREST JOINT. R=430606. W LO LO N O 0 N Am TACOMA • SEATTLE • SPOKANE • TRI-CITIES 2215 North 30th Street, Suite 300 Tacoma, WA 98403 253.383.2422 TEL 253.383.2572 FAX www.ahbl.com WEB Project Title: MAPLEWOOD HEIGHTS ELEMENTARY SCHOOL Client: RENTON SCHOOL DISTRICT ANDREW HOLLENBACK 300 SOUTHWEST 7TH STREET RENTON, WA 98057 Project No. 2230871.10 Issue Set & Date: PERMIT SET J U N E 21, 2024 6/20/2024 NOTICE ALTERATION OF THIS DOMWENT SHALL INVALDATE THE PROFESSIONAL SEAL AND SIGNATURE PUBDCATiON OF THIS DOCUMENT DOES NOT DERWAIE FROM RESERVED OM1I RSHP WITS N IT. THIS DOMMENT IS FOR USE ONLY FOR THE PROJECT IDENTIFIED N THE IITIE BLOCK AND IS NOT TO BE USED FOR REPAIR, REMODEL OR ADDITION TO THAT PROJECT OR FOR ANY OTHER PROJECT. A Revisions: Sheet Title: TESC NOTES & DETAILS Designed by: Drawn by: Checked by: JH JH DCN Sheet No. C 1.4 06 of 12 Sheets