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EL ORION AVENUEORION AVENUE 618 W ORION AVE., SANTA ANA, CA PR O P E R T Y L I N E PR O P E R T Y L I N E 11 2 . 5 0 ' 93 . 3 8 ' (E) SINGLE FAMILY DWELLING PROPERTY LINE56.00' 11 2 . 5 0 ' 93 . 3 8 ' 4:12 4:12 4: 1 2 41.27' PRO P E R T Y L I N E - F R O N T A G E 18.37' (N) 800 SF ACCESSORY DWELLING UNIT FIRE SEPARATION DETAIL LINE (E) CONCRETE DRIVEWAY (E) DRIVEWAY APRON (E) FENCE (E) FENCE (E) WALKWAY (E) WALKWAY (E) WALKWAY E D C B B 4: 1 2 FUTURE SOLAR PANEL 4:12 4:12 PUBLIC UTILITY EASEMENT 5' - 0 " 620 W ORION AVE., SANTA ANA, CA 5-GALLON SHRUB 24-INCH CANOPY TREE 1-GALLON SHRUB 1-GALLON SHRUB 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. EROSION CONTROL IS REQUIRED FOR GRADING OPERATIONS DURING THE RAINY SEASON FROMOCTOBER 15TH TO APRIL 15TH. APPROVED PLANS ARE REQUIRED FOR ALL ROUGH GRADING. IN CASE OF EMERGENCY, CALL: ORCHID L & HAN NGUYENT AT (714) 417 32023. THE DESIGN CIVIL ENGINEER WILL SUPERVISE EROSOIN CONTROL WORK AND ENSURE THAT WORK IS IN ACCORDANCE WITH THE APPROVED PLANS (IF REQUIRED). EQUIPMENT AND WORKERS FOR EMERGENCY WORK SHALL BE MADE AVAILABLE AT ALL TIMES DURING THE RAINY SEASON.NECESSARY MATERIALS SHALL BE AVAILABLE ON SITE ANDSTOCKPILED AT CONVENIENT LOCATIONS TO FACILITATE RAPID CONSTRUCTION OF TEMPORARYDEVICES WHEN RAIN IS IMMINENT. DEVICES SHALL NOT BE MOVED OR MODIFIED WITHOUT THE APPROVAL OF THE CITY ENGINEER. ALL REMOVABLE PROTECTIVE DEVICES SHOWN SHALL BE IN PLACE AT THE END OF EACH WORKING DAY WHEN THE 5.DAYS RAIN PROBABILITY FORECAST EXCEEDS 40%. AFTER A RAINSTORM, ALL SILT AND DEBRIS SHALL BE REMOVED FROM CHECK GRADED AREAS AROUND THE TRACK PERIMETER MUST DRAIN AWAY FROM THE FACE OF SLOPE THE CONTRACTOR SHALL BE RESPONSIBLE AND SHALL TAKE NECESSARY PRECAUTIONS TO PREVENT PUBLIC TRESPASS ONTO AREAS WHERE IMPOUNDED WATER CREATES A HAZARDOUSCONDITION. DESILTING BASINS ARE TO BE CONSTRUCTED AS GRADING OF INDIVIDUAL GRADING AREAS ARECOMPLETE PER ROUGH GRADING PLANS. THE CITY ENGINEER RESERVES THE RIGHT TO MAKE CHANGES OR MODIFICATIONS TO THIS PLANAS DEEMED NECESSARY. INFORMATION IN THIS PLAN IS FOR EROSION CONTROL ONLY.ALL OTHER INFORMATION ISSUBJECT TO CHANGE. TEMPORARY EROSION PROTECTION IS REQUIRED FOR MANUFACTURED SLOPES PRIOR TOPERMANENT PLANTING. AREAS SHALL BE MAINTAINED IN SUCH A STATE THAT FIRE ACCESS SHALL SEE MAINTAINED ATALL TIMES (INCLUDING ACCESS TO NEIGHBORING PROPERTIES). NO OBSTRUCTION OR DISTURBANCE OF NATURAL DRAINAGE COURSES OR EXISTING STORMDRAIN INLETS SHALL OCCUR DURING THE RAINY SEASONS, UNLESS ADEQUATETEMPORARY/PERMANENT DRAINAGE FACILITIES HAVE BEEN APPROVED AND INSTALLED TOCARRY SURFACE WATER TO THE NEAREST PRACTICAL STREET, STORM DRAIN OR NATURALWATER COURSE. THE CONTRACTOR SHALL CONDUCT HIS OPERATIONS IN SUCH A MANNER THAT STORM RUNOFF WILL BECONTAINED WITHIN THE PROJECT OR CHANNELS INTO THE STORM DRAIN SYSTEM WHICH SERVES THE RUNOFF AREA.STORM RUNOFF FROM ONE ARE SHALL NOT BE ALLOWED TO DIVERT TO ANOTHER RUNOFF AREA. CONFORMANCE WITH THE REQUIREMENT OF THESE PLANS SHALL IN NO WAY RELIEVE THE CONTRACTOR FROMHIS RESPONSIBILITIES TO THIS SITE AND ADJACENT PROPERTIES. TEMPORARY EROSION CONTROL SHALL CONSIST OF,BUT NO TO BE LIMITED TO, CONSTRUCTING SUCH FACILITIES AND TAKING SUCH MEASURES AS ARE NECESSARY TOPREVENT, CONTROL AND ABATE WATER, MUD AND EROSION DAMAGE TO PUBLIC AND PRIVATE PROPERTY AS ARESULT OF THE CONSTRUCTION OF THIS PROJECT. SLOPES CONSTRUCTED PRIOR TO OCTOBER 1 SHALL BE TREATED FOR EROSION CONTROL PRIOR TO OCTOBER15. SLOPES CONSTRUCTED AFTER OCTOBER 1 SHALL BE TREATED FOR EROSION CONTROL AS THE CONSTRUCTION OFSLOPE PROGRESS IN INCREMENT OF 25 FEET OR LESS MEASURES VERTICALLY. FILL AREAS WHILE BROUGHT UP TO GRADE AND DURING PERIODS OF COMPLETION PRIOR TO FINAL GRADE,SHALL BE PROTECTED BY VARIOUS MEASURES TO ELIMINATE EROSION AND THE SILTATION OF DOWNSTREAMFACILITIES AND ADJACENT AREAS. THESE MEASURES MAY INCLUDE, BUT SHALL NOT BE LIMITED TO: TEMPORARYDOWNDRAINS, EITHER IN THE FORM OF PIPES OR PAVED DITCHES WITH PROTECTED OUTFALL AREAS; GRADED BERMSAROUND AREAS TO ELIMINATE EROSION OF FILL SLOPES BY SURFACE RUNOFF, CONFINED PONDING AREAS TO DESILTRUNOFF; TEMPORARY CHECK DAMS IN TOE OF SLOPE DITCHES TO DESILT RUNOFF; PROTECTION SUCH AS SANDBAGS AROUND INLETS WHICH HAVE NOT BEEN BROUGHT UP TO GRADE, AND EARTH BERMS AND APPROPRIATEGRADING TO DIRECT DRAINAGE AWAY FROM THE EDGE OF THE SLOPES SHALL BE CONSTRUCTED AND MAINTAINED ONTHOSE FILL AREAS WHERE EARTH-WORK OPERATIONS ARE NOT IN PROGRESS. TOP OF CUT BROW DITCHES, WHERE REQUIRED ON THE PLANS, SHALL BE CONSTRUCTED PRIOR TO EXCEEDING12 FEET OF CUT MEASURED VERTICALLY. CLEARING AND GRUBBING SHOULD BE LIMITED TO AREAS THAT WILL RECEIVE IMMEDIATE GRADING. EROSION CONTROL MEASURES WILL BE REQUIRED TO PROTECT AREAS THAT HAVE BEEN CLEARED AND GRUBBED PRIOR TOGRADING OPERATION, AND THAT ARE SUBJECT TO RUNOFF DURING THE PERIOD FROM THE BEGINNING OF THE RAINYSEASON. THESE MEASURES MAY INCLUDE BUT SHALL NOT BE LIMITED TO: GRADED DITCHES; BRUSH BARRIERSAND SILT FENCES. CARE SHALL BE EXERCISED TO PRESERVE VEGETATION BEYOND THE LIMITS OF GRADING. CITY APPROVAL OF PLANS DOES NOT RELIEVE THE DEVELOPER FROM RESPONSIBILITY FOR THE CORRECTIONOF ERRORS AND OMISSIONS DISCOVERED DURING CONSTRUCTION. UPON REQUEST, THE REQUIRED PLAN REVISIONSSHALL BE PROMPTLY TO THE CITY ENGINEER FOR APPROVAL. EROSION CONTROL GENERAL NOTES: SCALE: 1/8" = 1'-0"1 EROSION & SEDIMENT CONTROL PLAN SHEET NO.: SHEET TITLE: DATE: DR A W I N G S P R O V I D E D B Y : EM S O C A L E N G I N E E R I N G 24 8 8 1 A L I C I A P K W Y . , ST E . E - 2 2 2 , L A G U N A H I L L S 76 0 - 4 8 4 - 6 3 4 3 A6 EROSION & SEDIMENT CONTROL PLAN 10/10/24 61 8 & 6 2 0 W O R I O N AV E . , S A N T A A N A , CA 9 2 7 0 7 NE W D E T A C H E D AC C E S S O R Y DW E L L I N G U N I T RE V I S I O N T A B L E No . DA T E RE V I S E D B Y DE S C R I P T I O N