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2 <br />1 <br />(E) GAS <br />METER <br />(E) GARAGE <br />(E <br />) <br /> <br />P <br />O <br />R <br />C <br />H <br />(E) DRIVEWAY <br />AND IMPERVIOUS <br />SURFACE <br />(E) LANDSCAPED <br />AND GRASS AREA <br />(E) CONCRETE <br />WALKWAY <br />(E) POWER <br />POLE <br />PROPERTY LINE - 60.00' <br />PROPERTY LINE - 60.00' <br />PR <br />O <br />P <br />E <br />R <br />T <br />Y <br /> <br />L <br />I <br />N <br />E <br /> <br />- <br /> <br />1 <br />1 <br />0 <br />. <br />0 <br />0 <br />' <br />PR <br />O <br />P <br />E <br />R <br />T <br />Y <br /> <br />L <br />I <br />N <br />E <br /> <br />- <br /> <br />1 <br />1 <br />0 <br />. <br />0 <br />0 <br />' <br />6' UTILITY <br />EASEMENT <br />(E) WATER <br />METER <br />FIREPL. <br />(E) LIGHT <br />POST <br />(E) LANDSCAPED <br />AND GRASS AREA <br />℄ <br />W CHESTNUT AVE <br />(E) SHED TO BE <br />REMOVED <br />(E) COVER TO <br />BE REMOVED <br />(E) COVER TO <br />BE REMOVED <br />(E) METAL FENCE & <br />GATE TO BE REMOVED <br />(E) 1-STORY <br />MAIN UNIT <br />(F.F. = 11.18) <br />(9.67 TC) <br />(9.00 FL) <br />(10.00 TC) <br />(9.33 FL) <br />(ASSUMED ELEVATION) <br />20 <br />' <br />- <br />0 <br />" <br /> <br />- <br /> <br />F <br />E <br />N <br />C <br />E <br /> <br />T <br />O <br /> <br />B <br />E <br /> <br />R <br />E <br />M <br />O <br />V <br />E <br />D <br />20 <br />' <br />- <br />0 <br />" <br /> <br />- <br /> <br />F <br />E <br />N <br />C <br />E <br /> <br />T <br />O <br /> <br />B <br />E <br /> <br />R <br />E <br />M <br />O <br />V <br />E <br />D <br />(E <br />) <br /> <br />P <br />A <br />V <br />E <br />M <br />E <br />N <br />T <br /> <br />T <br />O <br />BE <br /> <br />R <br />E <br />M <br />O <br />V <br />E <br />D <br />6' <br /> <br />U <br />T <br />I <br />L <br />I <br />T <br />Y <br />EA <br />S <br />E <br />M <br />E <br />N <br />T <br />(E) PLANTER TO <br />BE REMOVED <br />(E) GARAGE <br />(E <br />) <br /> <br />P <br />O <br />R <br />C <br />H <br />PROPERTY LINE - 60.00' <br />PROPERTY LINE - 60.00' <br />PR <br />O <br />P <br />E <br />R <br />T <br />Y <br /> <br />L <br />I <br />N <br />E <br /> <br />- <br /> <br />1 <br />1 <br />0 <br />. <br />0 <br />0 <br />' <br />PR <br />O <br />P <br />E <br />R <br />T <br />Y <br /> <br />L <br />I <br />N <br />E <br /> <br />- <br /> <br />1 <br />1 <br />0 <br />. <br />0 <br />0 <br />' <br />6' UTILITY <br />EASEMENT <br />℄ <br />W CHESTNUT AVE <br />(E) 1-STORY <br />MAIN UNIT <br />(F.F. = 11.18) <br />6' <br /> <br />U <br />T <br />I <br />L <br />I <br />T <br />Y <br />EA <br />S <br />E <br />M <br />E <br />N <br />T <br />(N) ADU <br />F.F. = 12.00 <br />PAD = 11.58 <br />11.20 FL <br />HP <br />i=1% FL <br />i= <br />1 <br />% <br /> <br />F <br />L <br />(N) JADU <br />F.F. = 11.18 <br />PAD = 10.76 <br />(N <br />) <br />PO <br />R <br />C <br />H <br />(N) ADDITION <br />F.F. = 11.18 <br />PAD = 10.76 <br />5% MIN <br />2% MIN <br />5% <br /> <br />M <br />I <br />N <br />2% <br /> <br />M <br />I <br />N <br />i= <br />1 <br />% <br /> <br />F <br />L <br />2% <br /> <br />M <br />I <br />N <br />2% <br /> <br />M <br />I <br />N <br />i=0.25% FL2% MIN <br />2% MIN <br />5% <br /> <br />M <br />I <br />N <br />2% <br /> <br />M <br />I <br />N <br />i= <br />0 <br />. <br />2 <br />5 <br />% <br /> <br />F <br />L <br />2% <br /> <br />M <br />I <br />N <br />2% <br /> <br />M <br />I <br />N <br />i= <br />0 <br />. <br />2 <br />5 <br />% <br /> <br />F <br />L <br />i= <br />0 <br />. <br />2 <br />5 <br />% <br /> <br />F <br />L <br />2% <br /> <br />M <br />I <br />N <br />2% <br /> <br />M <br />I <br />N <br />(E) GAS <br />METER <br />(E) POWER <br />POLE <br />(E) WATER <br />METER <br />(E) LIGHT <br />POST <br />4'-0"3'-6"41'-3"5'-3"3'-0"3'-0" <br />18'-2" <br />4'-3" <br />2'-9" <br />3'-6" <br />3'-6" <br />24'-6" <br />10'-0" <br />19'-0" <br />24'-4" <br />7'-8" <br />4'-3" <br />2'-9" <br />3'-6" <br />3'-6" <br />38'-6" <br />19'-4" <br />20'-0" <br />10'-6" <br />17'-10"4'-3"4'-6"4'-8"23'-6"5'-3" <br />(E) DRIVEWAY <br />AND IMPERVIOUS <br />SURFACE <br />1 <br />GENERAL GRADING NOTES <br />1.All grading shall comply with the latest CBC Chapters 18 and 33, and Appendix J and the Santa Ana Municipal Code. <br />2.Grading shall not be started without first notifying the City Grading Inspector. A pre-grading meeting on the site is <br />required before starting of grading with the following people present: Grading Contractor, Design Civil Engineer, <br />Geotechnical Engineer, Grading Inspector and when required, the Archaeologist and Paleontologist. The required inspections <br />for grading will be explained at this meeting. <br />3.An approved copy of the grading plans shall be on the permitted site while work is in progress. <br />4.The Design Civil Engineer shall be available during the grading to verify compliance with the plans, specifications, <br />code and any special conditions of the permit within his purview. <br />5.The Geotechnical Engineer shall perform periodic inspections and submit a complete report and map upon completion <br />of the rough grading. The compaction report and approval from the Geotechnical Engineer shall indicate the type of field <br />testing performed. Each test shall be identified with the method of obtaining the in-place density, whether sand cone or drive <br />ring, and shall be so noted for each test. Sufficient maximum density determinations shall be performed to verify the <br />accuracy of the maximum density curves by the field technician. <br />6.Cut and fill slopes shall be no steeper than 2 foot horizontal to 1 foot vertical (2:1) except where specifically approved <br />otherwise. <br />7.Fills shall be compacted throughout to a minimum of 90% relative density. Aggregate base for asphaltic areas shall be <br />compacted to minimum of 95% relative density. Maximum density shall be determined by uniform building code standard <br />No. 70-1 or approved equivalent, and field density by uniform code standard no. 70-2 or approved equivalent. <br />8.The Contractor shall not create any trench or excavation 5-feet or more without the necessary permit from the State of <br />California Division of Industrial Safety. <br />9.All cut slopes shall be investigated both during and after grading by the Geotechnical Engineer to determine if any <br />slope stability problem exists. Should excavation disclose any geological hazards or potential geological hazards, the <br />Geotechnical Engineer shall submit a recommended treatment to the City Engineer for approval. <br />10.The permittee is responsible for dust control measures. Water active sites at least twice daily. <br />11.The locating and protection of all existing utilities is the responsibility of the permittee. <br />12.Grading operations, including maintenance of equipment, within one-half (1/2) mile of a structure of human <br />occupancy shall not be conducted between the hours of 8:00 p.m. and 7:00 a.m. on weekdays, including Saturday, or any <br />time on Sunday or a federal holiday. (City of Santa Ana Municipal Code Section 18-314) <br />13.The permittee shall give reasonable notice to the owner of adjoining lands and buildings prior to beginning <br />excavations, which may affect the lateral and subjacent support of the adjoining property. The notice shall state the intended <br />depth of excavation and when excavation commences. The adjoining owner shall be allowed at least 30 days and reasonable <br />access on the permitted property to protect his structure, if he so desires, unless otherwise protected by law. <br />14.All existing drainage courses through the site shall remain open to handle the storm water; however, in any case, the <br />permittee shall be held liable for any damage due to obstructing natural drainage patterns. <br />15.Approved erosion protection devices shall be provided and maintained during the rainy season and shall be in place at <br />the end of each day's work. Proper erosion control measures must be shown on the plans. <br />16.Construction sites shall be maintained in such a condition that an anticipated storm does not carry wastes or pollutants <br />off the sites. Discharges of material other than storm water are allowed only when necessary for performance and completion <br />of construction practices and where they do not: cause or contribute to a violation of any water quality standard; cause or <br />threaten to cause pollution, contamination, or nuisance; or contain a hazardous substance in a quantity reportable under <br />Federal Regulations 40 CFR 117 and 302. Potential pollutants include but are not limited to: solid or liquid chemical spills; <br />wastes from paints, stains, sealants, glues, limes, pesticides, herbicides, wood preservatives and solvents; asbestos fibers, <br />paint flakes or stucco fragments; fuels, oils, lubricants, and hydraulic radiator or battery fluids; fertilizers, <br />vehicles/equipment wash water and concrete wash water; concrete, detergent or floatable wastes; wastes from any <br />engine/equipment steam cleaning or chemical degreasing; and superchlorinated potable water line flushings. During <br />construction, disposal of such materials should occur in a specified and controlled temporary area on-site, physically <br />separated from potential storm water run-off, with ultimate disposal in accordance with local, state, and federal requirements. <br />17.De-watering of contaminated groundwater, or discharging contaminated soils via surface erosion is prohibited. <br />Dewatering of non-contaminated groundwater requires a National Pollutant Discharge Elimination System (NPDES) permit <br />from the respective State Regional Water Quality Control Board. <br />18.All dirt, sand, mud, or debris deposited or spilled upon public streets during any grading, hauling, or export operations <br />shall be immediately cleaned up by the Developer, his Contractor, Subcontractors, or agents to the satisfaction of the City <br />Engineer. Failure to do so will be cause for stopping all such grading, hauling, or export work by the City until such time as <br />the streets are cleaned. <br />19.All trucks hauling dirt, sand, oil, or other loose materials are to be covered or should maintain a least two feet of <br />freeboard in accordance with the requirements of CVC Section 23114. <br />20.Contractor is responsible for the repair of all damages to public properties that are caused by the work on-site. Repair <br />must be completed to the satisfaction of the City Engineer. <br />21.Minimum asphalt pavement sections shall be: <br />3"AC/6"AB - parking aisles <br />4"AC/8"AB - drives [commercial] <br />4"AC/12"AB - drives [industrial] <br />3" A.C. over 4" A.B. - Parking Stalls [multi-family] <br />3" A.C. over 8" A.B. - Drive aisles [multi-family] <br />22.Earthwork Volumes: <br />Cut: 8 cubic yards Fill: 12 cubic yards Net: 4 cubic yards <br />23.If the net volumes exceed 500 cubic yards, the Contractor must submit a haul truck route to the city for approval. Haul <br />route shall include the location of borrow and/or dispersal site, all streets included in the route, the proposed staging area and <br />the maximum gross weight of the trucks when loaded. <br />24.Submit an 8 ½" x 11" haul route map of appropriate scale which indicates the location of the project site, showing <br />streets and direction of hauling up to and including the end of the route. <br />25.Pursuant to Assembly Bill 3019, no excavation permit is valid unless the contractor contacts and obtains an Inquiry <br />I.D. number from "Underground Service Alert" (1-800-422-4133) at least two working days prior to commencing <br />excavation. <br />26.Separate permits must be obtained from the City Building and Safety Division for the construction of retaining walls, <br />light poles, trash enclosures, on-site plumbing and all building structures. <br />27.All fonts on plans should be a minimum of 0.1". <br />EROSION AND SEDIMENT CONTROL NOTES <br />1.All work shall be in accordance with the erosion control plans, the project's Storm Water Pollution Prevention Plan <br />(SWPPP), and the recommendations of soils report, if available. <br />2.Erosion control measures shall be in place at the end of each working day whenever the daily rainfall probability <br />exceeds 40%. <br />3.Equipment and workers for emergency work shall be made available at all times during the rainy season. Necessary <br />materials shall be available on site and stockpiled at convenient locations to facilitate rapid construction of temporary erosion <br />control devices at all time. <br />4.Controls shall be set up and maintained as construction proceeds. Adjustments to the erosion control plans are <br />allowable as required and approved by city. <br />5.All erosion and sediment control measures shall implement structural and nonstructural Best Management Practices <br />(BMPs) in conformance with the guidelines of the California Storm Water BMP Handbooks. <br />6.After a rainstorm, all sediment and debris shall be removed from streets, berms and desilting basins. Any graded slope <br />surface protection measures damaged during a rainstorm shall be immediately repaired. <br />7.The permittee and contractor shall be responsible and shall take necessary precautions to prevent trespass onto areas <br />where impounded water created a hazardous condition. <br />BENCH MARK BASIS OF BEARING REVISIONS OWNER/DEVELOPER APPROVAL <br />REV. # DATE BY DESCRIPTION <br />KIM TRAN <br />1613 W CHESTNUT AVE <br />SANTA ANA, CA 92703 <br />TEL.: (714) 856 5977 <br />BEN PHAN, P.E. <br />CE# 57550 <br />EXP. 12/31/2025 <br />10822 WOODWARD LN <br />GARDEN GROVE, CA 92840 <br />TEL.: (714) 251 4537 <br />BENPHANCONSULTANT@GMAIL.COM <br />DRAWN BY:ALBERT LUU <br />CHECKED BY:BEN PHAN <br />PREPARED UNDER THE SUPERVISION OF: <br />BEN PHAN <br />CE NO. 57550, EXP. 12/31/2025 <br />SHEET <br />1 <br />OF <br />2 <br />KIM TRAN <br />1613 W CHESTNUT AVE <br />MAIN UNIT AND UNIT 2 & 3 <br />SANTA ANA, CA 92703 <br />ESTIMATE OF EARTHWORK QUANTITIES <br />CUT = 8 C.Y. <br />FILL = 12 C.Y. <br />SITE DATA <br />SITE ACREAGE:0.152 ACRE (6,600 SF) <br />UNDISTURBED AREA:3,133 SF (47.5%) <br />DISTURBED AREA:3,467 SF (52.5%) <br />TOTAL LANDSCAPED AREA:1,027 SF (15.6%) <br />POST-PROJECT PERVIOUS CONDITIONS <br />PERVIOUS AREA:1,027 SF (15.6%) <br />IMPERVIOUS AREA:5,573 SF (84.4%) <br />DRAINAGE PLAN <br />NEW ADU-JADU AND ADDITION <br />KIM TRAN <br />1613 W CHESTNUT AVE <br />MAIN UNIT AND UNIT 2 & 3 <br />SANTA ANA, CA 92703 <br />EXEMPT FOR DRAINAGE PLAN <br />TYPICAL GRAVEL BAG DETAIL <br />N.T.S. <br />1 <br />EROSION CONTROL NOTES <br /> 1 INSTALL TYPICAL GRAVEL BAGS PER STD. SE-6, CALIFORNIA <br />STORM WATER BMP HANDBOOK <br /> 2 INSTALL 10'x10' MATERIAL STOCKPILE AREA PER STANDARD WM-3 <br />DRAWING INDEX <br />SHEET 1 TITLE SHEET - TOPOGRAPHIC <br />EROSION AND HORIZONTAL <br />CONTROL PLAN <br />SHEET 2 DRAINAGE PLAN - DETAILS <br />TOPOGRAPHIC EROSION AND HORIZONTAL CONTROL <br />ASSUME ELEVATION OF TOP OF CURB AT THE <br />SOUTHEAST CORNER OF PROPERTY SIDEWALK <br />AND STREET ROAD AS AN INITIAL BENCHMARK <br />WITH ELEVATION OF 10.00' (SEE TOPOGRAPHIC <br />HEREON) <br />1613 W Chestnut Ave, #2 <br />& #312/12/2024