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HYD
<br />FINISHED FLOOR
<br />133.72
<br />P I V
<br />FDC
<br />OCASA CHARTER SCHOOL
<br />GRADING & UTILITY PLANS FOR DP NO. 2025-04R
<br />1820 E. FIRST STREET
<br />APN: 402-211-08
<br />CITY OF SANTA ANA, CA
<br />PROJECT DIRECTORY
<br />PROJECT OWNER:
<br />RED HOOK CAPITAL PARTNERS
<br />2120 E. GRAND AVE., SUITE 135
<br />EL SEGUNDO, CA 90245
<br />SURVEY:
<br />BOUNDARY SURVEYING & MAPPING INC.
<br />2102 BUSINESS CENTER DRIVE
<br />IRVINE, CA 92612
<br />PHONE: (503) 990-4613
<br />RESPONSIBLE CIVIL ENGINEER:
<br />RANDY CHAPMAN, P.E.
<br />CCE DESIGN ASSOCIATES, INC.
<br />771 E. DAILY DRIVE, SUITE 120
<br />CAMARILLO, CA 93010
<br />PHONE: (805) 738-5434
<br />SOILS ENGINEER:
<br />GEOTECHNICAL PROFESSIONALS INC.
<br />5736 CORPORATE AVENUE
<br />CYPRESS, CA 90630
<br />CONTACT: JAMES E. HARRIS
<br />PHONE: (714) 220-2211
<br />LANDSCAPE ARCHITECT:
<br />MJS LANDSCAPE ARCHITECT
<br />507 30TH STREET
<br />NEWPORT BEACH, CA 92663
<br />CONTACT: MARK SCHATTINGER
<br />PHONE: (949) 675-9964
<br />ARCHITECT:
<br />RAFAEL FRANCO & ASSOCIATES, INC.
<br />12345 VENTURA BLVD., SUITE H
<br />STUDIO CITY, CA 91604
<br />CONTACT: ARTHUR FERNANDEZ
<br />PHONE: (818) 754-2030
<br />MEP ENGINEER:
<br />TX ENGINEERING
<br />112 E AMERIGE AVENUE #131
<br />FULLERTON, CA 92832
<br />CONTACT: THOMAS XU
<br />PHONE: (213) 295-5532EARTHWORK CALCULATIONS
<br />EARTHWORK QUANTITIES:
<br />CUT:700 CUBIC YARDS
<br />FILL:475 CUBIC YARDS
<br />NET:225 CUBIC YARDS (CUT)
<br />NOTE:
<br />EARTHWORK QUANTITIES PRESENTED HEREON ARE FOR PERMITTING PURPOSES ONLY, CONTRACTOR IS
<br />RESPONSIBLE FOR DETERMINING THEIR OWN EARTHWORK QUANTITIES FOR BIDDING PURPOSES.
<br />PROJECT IMPERVIOUS CALCULATIONS
<br />PROJECT AREA = 100,201 SF (2.30 AC)
<br />EXISTING LANDSCAPE AREA TO REMAIN = 12,082 SF (0.28 AC)
<br />PROPOSED LANDSCAPE AREA = 2,581 SF (0.06 AC)
<br />TOTAL LANDSCAPE AREA = 14,663 SF (0.34 AC)
<br />PRE-CONSTRUCTION IMPERVIOUS AREA = 82,893 SF (1.90 AC)
<br />PRE-CONSTRUCTION PERVIOUS AREA = 17,308 SF (0.40 AC)
<br />POST-CONSTRUCTION IMPERVIOUS AREA = 85,133 SF (1.95 AC)
<br />POST-CONSTRUCTION PERVIOUS AREA = 15,068 SF (0.35 AC)
<br />PROJECT SITE
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<br />DEMOLITION/CONSTRUCTION CALCULATIONS
<br />PERVIOUS CALCULATIONS
<br />LANDSCAPE AREA REMOVED = 1,374 SF - REPLACED BY PERVIOUS PLAYGROUND AREA
<br />LANDSCAPE AREA REMOVED = 124 SF - REPLACED BY PERVIOUS CONCRETE
<br />ASPHALT AREA REMOVED = 1,573 SF - REPLACED BY LANDSCAPE
<br />ASPHALT AREA REMOVED = 1,890 SF - REPLACED BY PERVIOUS CONCRETE
<br />ASPHALT AREA REMOVED = 1,100 SF - REPLACED BY PERVIOUS PLAYGROUND AREA
<br />CONCRETE AREA REMOVED = 124 SF - REPLACED BY PERVIOUS PLAYGROUND AREA
<br />CONCRETE AREA REMOVED = 1,008 SF - REPLACED BY LANDSCAPE
<br />IMPERVIOUS CALCULATIONS
<br />LANDSCAPE AREA REMOVED = 2,077 SF - REPLACED BY CONCRETE/HARDSCAPE
<br />LANDSCAPE AREA REMOVED = 113 SF - REPLACED BY ASPHALT
<br />ASPHALT AREA REMOVED = 1,937 SF - REPLACED BY CONCRETE/HARDSCAPE
<br />CONCRETE AREA REMOVED = 152 SF - REPLACED BY ASPHALT
<br />CONCRETE AREA REMOVED = 703 SF - REPLACED BY HARDSCAPE/NEW CONCRETE
<br />WQMP CALCULATION: PROJECT SITE CREATES AND/OR REPLACES 4,982 SF OF IMPERVIOUS AREA.
<br />Underground Service Alert
<br />of Southern California
<br />Know what's below.
<br />before you dig.Call
<br />R
<br />DESCRIPTION
<br />SHEET INDEX
<br />SHEET NAMESHEET NUMBER
<br />TITLE SHEET -1
<br />REMOVAL/DEMOLITION PLAN RA014
<br />6 GRADING PLAN GA01
<br />9 EROSION CONTROL PLAN EA01
<br />10 EROSION CONTROL DETAILS ED01
<br />PREPARED UNDER THE SUPERVISION OF:
<br />APPROVALS:
<br />RANDY A CHAPMAN R.C.E. NO.: C69614 DATE
<br />FOR PUBLIC SEWER AND WATER FACILITIES ONLY
<br />APPROVED BY:
<br />ARMANDO FERNANDEZ, P.E. DATE
<br />ACTING DEPUTY PUBLIC WORKS DIRECTOR/
<br />WATER RESOURCES MANAGER
<br />PROJECT SITE
<br />BENCHMARK NO.: SA-335-06 ELEV.: 132.783' NAVD88
<br />DESCRIBED BY OCS 2006 - FOUND 4" OCS ALUMINUM BENCHMARK DISK STAMPED "SA-335-06", SET IN THE
<br />NORTHWEST CORNER OF A 4.0 FT. BY 4.5 FT. CONCRETE CATCH BASIN. MONUMENT IS LOCATED IN THE
<br />NORTHEAST PORTION OF THE INTERSECTION OF ELK ST. AND FIRST ST. 45 FT. NORTH OF THE CENTERLINE OF
<br />FIRST STREET AND 50 FT. EAST OF THE CENTERLINE OF ELK ST., LEVEL WITH THE SIDEWALK
<br />BENCHMARK
<br />BEARINGS AND DISTANCES ARE BASED ON THE CENTERLINE OF EAST 1ST AVENUE, FROM CENTERLINE SHOWN
<br />HEREIN, BEING N89°41'35"E 739.02' SHOWN IN MM 1005 47-50 AS N89°41'35"W 719.10.
<br />BASIS OF BEARING
<br />THAT PORTION OF LAND LOCATED WITHIN THE CITY OF SANTA ANA, THE COUNTY OF ORANGE, STATE OF
<br />CALIFORNIA, AS DESCRIBED BELOW:
<br />PARCEL 1:
<br />LOT 2 OF TRACT NO. 24, IN THE CITY OF SANTA ANA, COUNTY OF ORANGE, STATE OF CALIFORNIA, AS SHOWN
<br />ON A MAP RECORDED IN BOOK 9, PAGE 23 OF MISCELLANEOUS MAPS, RECORDS OF ORANGE COUNTY,
<br />CALIFORNIA. EXCEPTING THEREFROM THAT PORTION LYING SOUTHWESTERLY OF THE NORTHEASTERLY LINE
<br />OF THE LAND DESCRIBED IN A DEED TO THE STATE OF CALIFORNIA, RECORDED DECEMBER 22, 1953 IN BOOK
<br />2637, PAGE 506 OF OFFICIAL RECORDS. ALSO EXCEPTING THEREFROM THE NORTHERLY 289.0 FEET OF THE
<br />WESTERLY 230.0 FEET OF SAID LOT 2.
<br />PARCEL 2:
<br />THE PORTION OF LOT 4 OF TRACT NO. 24, AS SHOWN ON A MAP RECORDED IN BOOK 9, PAGE 23 OF
<br />MISCELLANEOUS MAPS, RECORDS OF ORANGE COUNTY, CALIFORNIA, DESCRIBED AS FOLLOWS:
<br />BEGINNING AT THE NORTHEASTERLY CORNER OF SAID LOT 4; THENCE ALONG THE EASTERLY LINE THEREOF,
<br />SOUTH 0°05'25" WEST 127.56 FEET TO A CURVE, CONCAVE NORTHEASTERLY AND HAVING A RADIUS OF 1,920.00
<br />FEET; THENCE NORTHWESTERLY ALONG SAID CURVE, FROM A TANGENT BEARING NORTH 48°55'49" WEST
<br />THROUGH AN ANGLE OF 1°37'24" AN ARC DISTANCE OF 54.40 FEET; THENCE NORTH 33°41'49" WEST 108.19 FEET
<br />TO A POINT IN THE NORTHERLY LINE OF SAID LOT 4, DISTANCE WESTERLY THEREON 100.73 FEET FROM SAID
<br />NORTHEASTERLY CORNER; THENCE EASTERLY ALONG SAID NORTHERLY LINE, 100.73 FEET TO THE POINT OF
<br />BEGINNING.
<br />EXCEPTING FROM SAID PARCEL 2, ALL MINERALS, OIL, GASES AND OTHER HYDROCARBONS BY WHATSOEVER
<br />NAME KNOWN, THAT MAY BE WITHIN OR UNDER SAID PARCEL 2, WITHOUT, HOWEVER, THE RIGHT TO DRILL, DIG
<br />OR MINE THROUGH THE SURFACE OF SAID LAND THEREFOR, AS RESERVED IN THE DEED RECORDED IN BOOK
<br />4015, PAGE 522 OF OFFICIAL RECORDS,
<br />ALSO EXPECTING FROM PARCELS 1 AND 2 THAT PORTION DESCRIBED AS PARCEL 72559-1 IN THE DEED TO THE
<br />STATE OF CALIFORNIA RECORDED JANUARY 31, 1994 AS INSTRUMENT NO. 94-0072254 OF OFFICIAL RECORDS OF
<br />SAID ORANGE COUNTY.
<br />LEGAL DESCRIPTION
<br />CONVERSION OF EXISTING FIVE-STORY OFFICE BUILDING INTO CHARTER SCHOOL.
<br />PROJECT SCOPE
<br />SOILS ENGINEER CERTIFICATION:
<br />I HAVE REVIEWED AND APPROVE THIS GRADING PLAN. IT COMPLIES WITH ALL OF THE
<br />REQUIREMENTS AND RECOMMENDATIONS PER GEOTECHNICAL REPORT DATED APRIL
<br />25, 2025.
<br />SIGNATURE DATE
<br />FEMA ZONE X
<br />AREA DETERMINED TO BE OUTSIDE THE 0.2% ANNUAL CHANCE FLOODPLAIN.
<br />FLOOD INFORMATION
<br />GENERAL NOTES DP012
<br />PROJECT SITE
<br />APN: 402-211-08
<br />APN: 402-211-09
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<br />APN: 402-201-05
<br />(E) OFFICE
<br />BUILDING
<br />GRADING PERMIT NO. 50101547
<br />TOPOGRAPHIC SURVEY MAP TP013
<br />5 HORIZONTAL CONTROL PLAN HP01
<br />7 GRADING DETAILS & SECTIONS GD01
<br />8 UTILITY PLAN UT01
<br />SR #2504895
<br />PUBLIC WORKS AGENCY
<br />GRADING & UTILITY PLAN
<br />1820 EAST 1ST STREET
<br />SANTA ANA, CA 92705
<br />PARCEL APN: 402-211-08
<br />JOB ADDRESS/PARCEL APN
<br />REFERENCES
<br />IMPROVEMENT PLANS NO. 11670, DATED 08-01-1980
<br />MASONRY WALL PUMP BUILDING PLANS NO. 67780, DATED 07-09-1991
<br />ALTA SURVEY PREPARED BY BOUNDARY SURVEY MAPPING INC., DATED 12-11-2024
<br />1ST STREET
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<br />11/6/2025
<br />R.
<br />SOILS ENGINEER CERTIFICATION:
<br />DATE
<br />I HAVE REVIEWED AND APPROVE THIS GRADING PLAN. IT COMPLIES WITH ALL OF THE
<br />REQUIREMENTS AND RECOMMENDATIONS PER GEOTECHNICAL REPORT DATED APRIL
<br />25, 2025.
<br />SIGNATURE
<br />R.C.E 91562 11-6-2025
<br />11/25/25
<br />Behrooz Sarlak 12/15/2025
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