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HomeMy WebLinkAboutTR53430_Rough Grading PlansGRADING GENERAL NOTES: 1. ALL GRADING SHALL COMPLY WITH THE PROVISIONS OF SECTION 1803, APPENDIX J OF THE CALIFORNIA BUILDING CODE (2010); CITY OF DIAMOND BAR MUNICIPAL CODES & ORDINANCE & DESIGN GUIDELINES; 2010 CBC; 2009 IBC ORDER OF DESIGN GUIDELINES AND ALL AMENDMENTS ADOPTED BY THE CITY. 2. ALL HILLSIDE GRADING WITH SLOPES IN EXCESS OF 10% SHALL COMPLY WITH THE HILLSIDE MANAGEMENT ORDINANCE AND SHALL TYPICALLY NOT EXCEED 2:1. 3. NO GRADING SHALL COMMENCE UNTIL A GRADING PERMIT HAS BEEN ISSUED BY THE CITY OF DIAMOND BAR. 4. ALL FILL SHALL BE COMPACTED TO NOT LESS THAN 90 PERCENT OF THE MAXIMUM DENSITY; FILLS PLACED DEEPER THAN 40-FEET FROM FINISHED GRADE SHOULD BE PLACED AT 93% RELATIVE COMPACTING; SLIVER FILLS ON SLOPE UP TO 30-FEET IN HEIGHT WILL REQUIRE A MIN. 20-FT WIDE KEYWAY, FILL SLOPE MORE THAN 30-FT REQUIRE KEYWAY EQUAL TO AT LEAST 1/2 THE SLOPE HEIGHT AND MINIMUM 15-FT. BENCH. CANYON FILLS WILL REQUIRE SUBDRAIN, SUBDRAINS IN FILL AREAS SHOULD OUTLET VIA SOLID PIPE; HIGHLY EXPANSIVE MATERIAL SHOULD BE BLENDED WITH NON -EXPANSIVE MATERIAL AND SHOULD NOT BE PLACED AT OR NEAR FINISHED PAD GRADE ELEVATION, LARGE BOULDER -SIZE MATERIAL MAY BE BURIED INDIVIDUALLY IN THE FILL MASS AT TEN (10) OR MORE FEET BELOW FINISHED GRADE ONLY PER SOIL ENGINEER'S DIRECTION. SITE PREPARATION, OVEREXCAVATION, AND EARTHWORK SHOULD BE PERFORMED UNDER THE OBSERVATION OF AND TESTING BY THE PROJECT GEOLOGIST AND/OR PROJECT GEOTECHNICAL ENGINEER. 5. SUFFICIENT TESTS OF SOIL PROPERTIES, INCLUDING SOIL TYPES AND SHEAR STRENGTHS SHALL BE MADE DURING GRADING OPERATIONS TO VERIFY COMPLIANCE WITH DESIGN CRITERIA. THE RESULTS OF SUCH TESTING SHALL BE REPORTED IN THE FINAL AS -GRADED REPORT (PREPARED BY THE APPLICANT AT HIS EXPENSE), OR UPON REQUEST OF THE CITY. A MINIMUM NUMBER OF FIELD DENSITY TEST ARE TO BE MADE AS FOLLOWS: a. ONE TEST FOR EACH TWO -FEET VERTICAL LIFT. b. ONE TEST FOR EACH 1000 CUBIC YARDS OF MATERIAL PLACED. c. A SUFFICIENT NUMBER OF FINISH SLOPE TESTS TO VERIFY COMPACTING OF THE SLOPE SURFACE. 6. NO FILL SHALL BE PLACED UNTIL STRIPPING OF VEGETATION, REMOVAL OF UNSUITABLE SOILS, AND INSTALLATION OF SUBDRAINS (IF NEEDED) IS ACCEPTED BY THE SOILS ENGINEER OR ENGINEERING GEOLOGIST. 7. NO FILL SHALL BE PLACED UNTIL THE PLACEMENT OF EROSION CONTROL MEASURE FOR THE PROJECT IS ACCEPTED BY THE CITY. 8. THE UNDERSIGNED CIVIL ENGINEER HEREBY STATES THAT THESE PLANS WERE PREPARED BY HIM OF UNDER HIS SUPERVISION AND THAT THE PLANS CONFORM TO ALL PERTINENT PROVISIONS OF SECTION 1803 EXCAVATION, GRADING AND FILL AND APPENDIX J, OF THE CALIFORNIA BUILDIN E (2010). CH LIU, R.C.E. 41497 DATE 9. APPROVED PROTECTIVE MEASURES AND TEMPORARY DRAINAGE PROVISIONS SHALL BE PROVIDED TO PROTECT ADJOINING PROPERTIES FROM DEPOSITION OF MATERIAL OR DIVERTED FLOWS BOTH DURING AND AFTER ALL PHASES OF CONSTRUCTION. 10. ALL OFFSITE IMPROVEMENTS SHALL BE COMPLETED TO THE SATISFACTION OF THE CITY ENGINEER. 11. ROUGH GRADING CERTIFICATE MUST BE SIGNED BY SOILS AND CIVIL ENGINEERS OF RECORD AND APPROVED BY THE CITY INSPECTOR PRIOR TO ISSUANCE OF BUILDING PERMITS. 12. ALL CUTS SHALL BE OBSERVED BY THE ENGINEERING GEOLOGIST OF RECORD DURING GRADING SO THAT ANY ADVERSE CONDITIONS CAN BE RECOGNIZED AND CORRECTED. 13. ANY MODIFICATIONS OF, OR CHANGES IN, THE APPROVED GRADING PLANS MUST BE APPROVED BY THE CITY. 14. ALL GRADED SITES MUST HAVE DRAINAGE SWALES, BERMS, AND OTHER DRAINAGE DEVICES APPROVED AT THE ROUGH GRADING STAGE. 15. NO ROCK OR SIMILAR MATERIAL GREATER THAN 8" IN DIAMETER WILL BE PLACED IN THE FILL UNLESS RECOMMENDATIONS FOR SUCH PLACEMENT HAVE BEEN SUBMITTED BY THE SOILS ENGINEER AND APPROVED IN ADVANCE BY THE CITY. 16. GRADING OPERATIONS MUST BE CONDUCTED UNDER THE CONTINUOUS OBSERVATION OF THE SOILS ENGINEER AND/OR THE ENGINEER GEOLOGIST OF RECORD. 17. EXCAVATIONS FOR STABILITY KEYS AND REMOVAL OF UNSUITABLE SOILS MUST BE OBSERVED AND ACCEPTED IN WRITING BY THE SOILS ENGINEER OR ENGINEERING GEOLOGIST OF RECORD PRIOR TO THE PLACING OF FILL 18. THE SOILS ENGINEER AND/OR ENGINEERING GEOLOGIST OF RECORD MUST DOCUMENT AND ACCEPT ROUGH GRADING BY FINAL REPORT PRIOR TO APPROVAL BY THE CITY. THE FINAL REPORT MUST INCLUDE AN AS -GRADED GEOTECHNICAL MAP. 19. THE SOILS ENGINEER AND/OR ENGINEERING GEOLOGIST OF RECORD MUST MAKE A FINDING IN ACCORDANCE WITH SECTION 111 OF THE LOS ANGELES COUNTY BUILDING CODE FOR THE GRADED SITE PRIOR TO APPROVAL BY THE CITY. 20. FOUNDATION AND/OR WALL EXCAVATIONS MUST BE OBSERVED AND ACCEPTED IN WRITING BY THE SOILS ENGINEER OR ENGINEERING GEOLOGIST OF RECORD PRIOR TO PLACING STEEL OR CONCRETE. 21. A REGISTERED CIVIL ENGINEER SHALL SUBMIT A GRADING CERTIFICATE TO THE CITY ENGINEER NO MORE THAN 10 WORKING DAYS UPON COMPLETION OF FINAL GRADING OPERATIONS. CERTIFICATE OF OCCUPANCY SHALL BE ISSUED SUBJECT TO THE CITY ENGINEER'S APPROVAL OF SAID ENGINEER'S CERTIFICATE. FINAL GRADING MUST BE APPROVED BY THE CITY BEFORE OCCUPANCY OF BUILDINGS WILL BE ALLOWED. 22. THE SOILS AND GEOLOGY REPORT PREPARED BY ADVANCED GEOTECHNICAL SOLUTIONS, INC. AND DATED FEBRUARY 14, 2013 AND ALL REFERENCED AND REVIEWED REPORTS LISTED BELOW SHALL BECOME A PART OF THIS GRADING PLAN AND ALL RECOMMENDATIONS CONTAINED THEREIN SHALL BE STRICTLY ADHERED TO. REVIEWED REPORTS ARE: ADVANCED GEOTECHNICAL SOLUTIONS, INC.: 3/18/2013, 2/14/2013, 12/16/2011; NEBLETT & ASSOC.: 12/10/2007, 9/14/2007, 3/30/2007AWD �b '#%x- - ¢EADR"; VA�►e 01 i3120%s . 23. A COPY OF THE GRADING PERMIT AND APPROVED GRADING PLANS MUST BE IN THE POSSESSION OF A RESPONSIBLE PERSON AND AVAILABLE AT THE SITE AT ALL TIMES. ` 24. FINAL GRADING MUST BE APPROVED BEFORE OCCUPANCY OF BUILDINGS WILL BE ALLOWED. 25. THESE PLANS HAVE BEEN CHECKED BY THE CITY OF DIAMOND BAR ONLY FOR CONFORMANCE WITH CITY STANDARDS, COMPLIANCE WITH DEVELOPMENT CONDITIONS AND FOR GENERAL CONCEPTUAL APPROVAL OF THE DRAINAGE AND PARKWAY IMPROVEMENTS SHOWN HEREON. NO DETAILED MATHEMATICAL CHECK WAS MADE FOR THE ACCURACY IF THE EXISTING OR PROPOSED DIMENSIONS, LINES, OR GRADES SHOWN INCLUDING ALL EXISTING UTILITIES SHOWN OR NOT SHOWN. 26. CONTRACTOR SHALL NOTIFY THE CITY ENGINEER'S OFFICE AT (909).839-7040 FORTY-EIGHT (48) HOURS IN ADVANCE OF INTENTION TO BEGIN GRADING. 27. CONTRACTOR SHALL COMPLY WITH THE CALIFORNIA STORM WATER BEST MANAGEMENT PRACTICES HANDBOOKS AND THE PROJECT'S STANDARD URBAN STORM WATER MITIGATION PLAN (SUSMP) REQUIREMENTS AS NECESSARY. 28. DIRECT ALL ROOFTOP RUNOFF TO PERVIOUS AREAS. 29. SUFFICIENT TEST OF FILL SOILS SHALL BE MADE DURING THE GRADING TO VERIFY THAT THE SOILS PROPERTIES COMPLY WITH THE DESIGN REQUIREMENTS, AS DETERMINED BY THE GEOLOGIST / GEOTECHNICAL ENGINEER INCLUDING SOILS TYPES, SHEAR STRENGTH PARAMETERS AND CORRESPONDING UNIT WEIGHTS. 30. R-VALUE TESTS SHALL BE CONDUCTED FOR ALL PUBLIC AND PRIVATE ROADWAY IMPROVEMENTS TO IDENTIFY THE MINIMUM PAVEMENT STRUCTURAL SECTION REQUIREMENTS FOR THE SITE, UNLESS OTHERWISE NOT REQUIRED BY THE CITY. 31. TYPE V CEMENT SHALL BE USED FOR ALL CONCRETE WORK COMING IN CONTACT WITH THE GROUND, UNLESS OTHERWISE INDICATED BY THE PROJECT'S SOIL ENGINEER. 32. GRADING AND CONSTRUCTION ACTIVITIES AND THE TRANSPORTATION OF EQUIPMENT AND MATERIALS AND OPERATION OF HEAVY GRADING EQUIPMENT SHALL BE LIMITED TO BETWEEN THE HOURS OF 7:00 A.M. AND 5:00 P.M., MONDAY THROUGH SATURDAY. DUST GENERATED BY GRADING AND CONSTRUCTION ACTIVITIES SHALL BE REDUCED BY WATERING THE SOIL PRIOR TO AND DURING THE ACTIVITIES AND IN ACCORDANCE WITH SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT RULE 402 AND RULE 403. RECLAIMED WATER SHALL BE USED WHENEVER POSSIBLE. ADDITIONALLY, ALL CONSTRUCTION EQUIPMENT SHALL BE PROPERLY MUFFLED TO REDUCE NOISE LEVELS. REVISIONS NO. DATE I DESCRIPTION ROUGH GRADING PLAN FOR TRACT MAP 53430 CITY OF DIAMOND BAR, CA.) SUSMP NOTES: 1. DETERMINE AND PROVIDE THE PRE AND POST DEVELOPMENT PERVIOUS AND IMPERVIOUS AREAS CREATED BY THE PROPOSED DEVELOPMENT. POST DEVELOPMENT IMPERVIOUS AREA 19.14 ACRES, PERCENT IMPERVIOUS 23.91 % PERVIOUS AREA 60.90 ACRES, PERCENT PERVIOUS 76.09 % PRE DEVELOPMENT IMPERVIOUS AREA 0 ACRES, PERCENT IMPERVIOUS 0.009: PERVIOUS AREA 80.04 ACRES, PERCENT PERVIOUS 100. 2. ANY MODIFICATIONS TO THE APPROVED SUSMP PLAN MUST BE RESUBMITTED TO THE CITY OF DIAMOND BAR DEPARTMENT OF PUBLIC WORKS. 3. A COPY OF THE APPROVED SUSMP PLAN MUST BE IN THE POSSESSION OF A RESPONSIBLE PERSON AND AVAILABLE AT THE SITE ALL TIMES. 4. ALL STRUCTURAL BMP'S SHALL BE ACCESSIBLE FOR INSPECTION AND MAINTENANCE. 5. PRIOR TO COMMENCEMENT OF ANY WORK WITHIN THE ROAD RIGHT OF WAY AND/OR CONNECTION TO COUNTY MAINTAINED STORM DRAIN, AN ENCROACHMENT PERMIT FROM PUBLIC WORKS IS REQUIRED [(909) 396-5671 ], AS WELL AS PROOF OF PERMIT FROM THE LOS ANGELES COUNTY CONSTRUCTION DIVISION, PERMIT SECTION [(626) 458-3129]. 6. PRIOR TO COMMENCEMENT OF ANY WORK AND/OR DISCHARGE OF DRAINAGE TO A WATERCOURSE, A PERMIT FROM BOTH THE CALIFORNIA DEPARTMENT OF FISH AND GAME AND U.S. ARMY CORPS OF ENGINEERS MAY BE REQUIRED. STATEMENT OF UNDERSTANDING AS THE OWNER OF THE PROJECT, I HAVE REVIEWED THE DEVELOPMENT PLANNING FOR STORM WATER MANAGEMENT MANUAL FOR THE STANDARD URBAN STORMWATER MITIGATION PLAN (SUSMP), AND HAVE PROPOSED THE IMPLEMENTATION OF THE PERMANENT BEST MANAGEMENT PRACTICES (BMP'S) APPLICABLE TO EFFECTIVELY MINIMIZE THE NEGATIVE IMPACTS OF THE PROJECT'S STORMWATER RUNOFF. THE SELECTED BMP'S WILL BE INSTALLED PER THE APPROVED PLANS AND AS RECOMMENDED BY THE PRODUCT MANUFACTURER AS APPLICABLE. OWNER DATE BASIS OF BEARINGS THE BASIS BEARING IS THE BEARING BASED ON THE LINE BETWEEN COORDIATES NAME "SNHS" AND "EWPP", BOTH IN TERMS OF THE CALIFORNIA COODINATE SYSTEM OF 1983 (EPOCH 2O11.00), ZONE 5 AS PUBLISHED BY THE NGS, BEING NORTH 6203' 24.7- EAST. BENCH MARK LOS ANGELES COUNTY DEPARTMENT OF PUBLIC WORKS BENCH MARK G 4677. TAG SET IN THE TOP OF CURB AT THE SOUTHWESTERLY END OF A CATCH BASIN ON THE NORTHWEST SIDE OF DIAMOND BAR BOULEVARD, ABOUT 25 FEET NORTHEASTERLY OF THE BEGINNING OF THE CURB RETURN, 50-FEET NORTHWESTERLY OF THE CENTERLINE OF DIAMOND BAR BOULEVARD, AND 102 FEET NORTHEASTERLY OF THE CENTERLINE OF PATHFINDER BOULEVARD. ELEVATION =774.41 1 FEET (LADPW 1995 ADJUSTMENT, NAVD 1988) NOTES EXTERIOR GRADING AND CONSTRUCTION ACTIVITIES AND THE TRANSPORTATION OF EQUIPMENT AND MATERIALS AND OPERATION OF HEAVY GRADING EQUIPMENT SHALL BE LIMITED TO BETWEEN THE HOURS OF 7:00 A.M. AND 5:00 P.M., MONDAY THROUGH SATURDAY. DUST GENERATED BY GRADING AND CONSTRUCTION ACTIVITIES SHALL BE REDUCED BY WATERING THE SOIL PRIOR TO AND DURING THE ACTIVITIES AND IN ACCORDANCE WITH SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT RULE 402 AND RULE 403. RECLAIMED WATER SHALL BE UTILIZED WHENEVER POSSIBLE. ADDITIONALLY, ALL CONSECUTION EQUIPMENT SHALL BE PROPERLY MUFFLED TO REDUCED NOISE LEVELS. ALL EQUIPMENT STAGING AREAS SHALL BE LOCATED ON THE PROJECT SITE AND SHALL BE APPROVED BY THE PUBLIC WORKS / ENGINEERING DEPARTMENT. STAGING AREA, INCLUDING MATERIAL STOCKPILE AND EQUIPMENT STORAGE AREA, SHALL BE ENCLOSED WITHIN A 6-FOOT HIGH CHAIN FENCE. ALL ACCESS POINTS IN THE DEFENSE SHALL BE LOCKED WHENEVER THE CONSTRUCTION SITE IS NOT SUPERVISED. GEOTECHNICAL -E-NG # F-ER'S STATEMENT: THE FOLLOWING BMP'S MAY BE USED TO SATISFY SUSMP REQUIREMENTS: 1. INSERTS IN CATCH BASINS AND STORM DRAIN INLETS TO FILTER STORM WATER RUNOFF OR APPROVED EQUAL, PRIOR TO DISCHARGING TO THE OCEAN STORM DRAIN SYSTEM. • 2. STENCILING CATCH BASINS AND STORM DRAIN INLETS WITH PROHIBITIVE LANGUAGE (SUCH AS: "NO DUMPING - THIS DRAINS TO OCEAN") AND/OR GRAPHICAL ICONS TO DISCOURAGE ILLEGAL DUMPING. 3. REGULAR SWEEPING OF STREETS WITHIN THE PROPOSED DEVELOPMENT. 4. PROVIDE TRASH CANS AND RECYCLING RECEPTACLES ALONG PEDESTRIAN WALKWAYS. 5. POST SIGNS ' AND PROHIBITIVE LANGUAGE AND/OR GRAPHICAL ICONS TO DISCOURAGE ILLEGAL DUMPING. 6. UTILIZE NON -TOXIC PESTICIDES AND FERTILIZERS IN THE LANDSCAPING ARES OF THE PROJECT. 7. PROVIDE HOMEOWNERS WITH INFORMATION AND BROCHURES OUTLINING GOOD HOUSEKEEPING PRACTICES FOR THE USE AND DISPOSE OF HOUSEHOLD PRODUCTS. ENCOURAGE HOMEOWNERS TO USE NON -HAZARDOUS CLEANING SUBSTANCES AND TO RECYCLE UNWANTED HOUSEHOLD HAZARDOUS MATERIALS INTO A COUNTYWIDE HOUSEHOLD HAZARDOUS COLLECTION CENTER. EARTHWORK: RAW CUT: - - - - - - - - --1,900,000 C.Y. RAW FILL: - - - - - - - - --2,100,000 C.Y. KEYWAY (CUT):-- - -- - - - --820,000 C.Y. REMEDIAL REMOVEAL:- - - - --540,000 C.Y. BUILDING PAD OVER-EXCA:- - --120,000 C.Y. STREET OVER -EXCAVATION: - - - - 40,000 C.Y. LANDSLIDE AREA REMOVAL: - - --290,000 C.Y. SHRIKAGE:- - - - - - - - - - - - - 10.0% BULKING (GENERAL) - - - - - - - - - - 7.5% BULKING (LANDSLIDE AREA)- - - - - - - 5.0% ADJUSTED CUT: - - - - - - - - - - 3,900,000 ADJUSTED FILL: - - - - - - - - --3,900,000 LEGEND: HP HIGH POINT (120) EXISTING ELEVATION TC TOP OF CURB 120 PROPOSED ELEVATION FL FLOW LINE TBM TEMPORARY BENCH MARK FS FINISHED SURFACE BM BENCH MARK FG FINISHED GRADE C CUT FF FINISHED FLOOR F FILL GF GARAGE FLOOR N NATURAL PAD PAD - SFM SEWER FORCE MAIN TW TOP OF WALL RUA RESTRICTED USE AREA D.V.: DEBRIS BASIN VOLUME REQUIRED. D. CAP. DEBRIS BASIN CAPACITY. TF TOP OF FOOTING PROPERTY LINE H L HEIGHT LENGTH - - - - - - EXISTING CONTOURS FL PROPERTY LINE PROPOSED CONTOURS R/W RIGHT-OF-WAY - LIMIT OF OVEREXCAVATION . RETAINING WALL a 0CUT/FILL DAYLIGHT LINE - - SUBDRAIN PER SOIL TENTATIVE SETTLEMENT _ _ ENGINEER'S DIRECTION QS INSTRUCTION PER SOIL ENGINEER S DIRECTION INDICATES KEYWAY INDICATES SHEAR KEY LOCATION LOCATION INDICATES KEYWAY INDICATES THE BACK CUT BOUNDARY LIMIT OF KEYWAY ...... . . LIMIT OF DETENTION CHAIN LINK FENCE BASIN LINER AREA ALL TERRACE DRAINS AND DRAINAGE CHANNELS SHALL BE CONSTRUCTED IN MUTED EARTft TONES, NATIVE ROCK OR AS REQUIRED BY THE DIRECTOR SO AS NOT TO IMPART ADVERSE VISUAL IMPACTS. TERRACE DRAINS SHALL FOLLOW LANDFORM SLOPES CONFIGURATION AND SHALL NOT BE PLACED IN AN EXPOSED POSITIONS. ALL DOWN DRAINS SHALL BE HIDDEN IN SWALES DIAGONALLY OR CURVILINEAR ACROSS A SLOPE FACE. THIS PLAN HAS BEEN REVIEWED BY ADVANCED GEOTECHNICAL SOLUTIONS, INC. AND DEEMED TO BE IN CONFORMANCE WITH ALL THE RECOMMENDATIONS IN OUR REPORT, DATED OCTOBER 13, 2015. PROJECT NUMBER 1203-01-B-15 WITH ADDENDUM REVIEW WAS LIMITED TO THE GEOTECHNICAL ASPECTS OF THE PLAN ONLY. HN Jr' DONOVAN, RCE 65051, RGE 2790 FRANK .J. ECHENIQUE, CEG 2134 ADVANCED GEOTECHNICAL SOLUTIONS, INC. 485 CORPORATE DRIVE, SUITE B ESCONDIDO, CA 92029 TEL 714) 786-5661 FAX. 714) 409-3287 E-MAIL: info@adv-geosolutions.com .41 DATE EL(4 DATE APPROVED CITY OF DIAMOND BAR AMBUSHER ST. COLD SPRING lip STEEPLECHASE LANE 'QO VICINITY MAP NTS SHEET INDEX SHEET 1A TITLE SHEET #1 SHEET 1 B TITLE SHEET #2 - CONSTRUCTION NOTES & DETAIL SHEET 2 DETAIL SHEET z 0 N PROJECT SITE PROJECT SITE T.G. 680 - A6 & A7 SHEET 3 : DETAIL SHEET - 1 SHEET 4 : DETAIL SHEET - 2 SHEET 5 : DETAIL SHEET - 3 SHEET 6A : TYPICAL SECTIONS - PART I SHEET 6B : TYPICAL SECTIONS - PART II SHEET 7 : GRADING PLAN (LOTS 1, 2, 13, 14 & 15) SHEET 8 : GRADING PLAN (LOTS 3, 4, 15, 16 & PART OF A) SHEET 9 : GRADING PLAN (LOTS 5, 6, 7 & PART OF A) SHEET 10 : GRADING PLAN (LOTS 8, 9, 10 & PART A) SHEET 11 : GRADING PLAN (LOTS 11, 12 & PART OF A) SHEET 12 : GRADING PLAN (LOTS 48, B AND PART A) SHEET 13 : GRADING PLAN (LOTS 41, 42, 43, B & PART A) SHEET 14 : GRADING PLAN (LOTS 38, 39, 40, 44, 45, B & PART A) SHEET 15 : GRADING PLAN (LOTS 25, 26, 36, 37, 38, 46 & 47) SHEET 16 : GRADING PLAN (LOTS 23, 24, 25, 26, 27, 28, 34, 35 & 36) SHEET 17 : GRADING PLAN (LOTS 20, 21, 22 AND 29) SHEET 18 : GRADING PLAN (LOTS 19, 20, 21 AND 30) SHEET 19 : GRADING PLAN (LOTS 17 AND 18) SHEET 20 : GRADING PLAN (LOTS 30, 31, 32 AND 33) SHEET 21 : GRADING PLAN (OFF' SITE ROAD AND SLOPE AREA) SHEET 22 : GRADING PLAN (OFF -SITE ROAD AND DEBRIS BASIN AREA) SHEET 23 : GRADING PLAN (ON -SITE DETENTION BASIN) SHEET 24 : SOIL KEY WAYS AND BUTTRESS FILL - INDEX SHEET SHEET 25 : SOIL KEY WAYS AND BUTTRESS FILL - SOIL RECOMMENDATION DETAIL - 1 SHEET 26 : SOIL KEY WAYS AND BUTTRESS FILL - SOIL REPORT RECOMMENDATION NOTE: ALL CONCRETE DRAINAGE DITCH, DOWN DRAIN, TERRACE DRAIN, CONCRETE WALL AND SPLASH WALL SHALL BE EARTH TONE COLORED TO EARTH TONE PER THE HILLSIDE GRADING ORDINANCE. NOTE: SECTION 4216/4217 OF THE GOVERNMENT CODE REQUIRES A DIG ALERT IDENTIFICATION NUMBER BE ISSUED BEFORE A PERMIT TO EXCAVATE WILL BE VALID. FOR YOUR DIG ALERT ID NUMBER CALL UNDERGROUND SERVICE ALERT TOLL FREE 9'81 1 " TWO WORKING DAYS BEFORE YOU DIG. DAVID G. LfU CITY ENGINEER RCE. 44053 DATE REVIEW FOR CITY OF DIAMOND BAR BY: DAVID EVANS & ASSOCIATES 17782 17TH STREET, SUITE 200 TUSTIN, CA 92780-1947 PHONE: (714) 665-4500 • • DAVID A. STUETZEL 9 RCE 47786 DATE PREPARED BY: FOCUS ENGINEERING, INC. CIVIL ENGINEERS LAND SURVEYORS 25 MAUCHLY, SUITE 317 IRVINE, CA 92618 TEL. 949) 450-059 FAX. 949) 450-0592 ,,, o �,.;; : o o �oz CH IN LIU RCE 41497 Q�OFESS/Oil LIN IiG Sys W Na 41491 m * DIP. 12/31/17 CIVIC 9lF OFa��� l\E LEGAL DESCRIPTION PARCELS 10, 11, 12 AND 13 OF PARCEL MAP 1528, IN THE CITY OF DIAMOND BAR, COUNTY OF, LOS ANGELES, STATE OF CALIFORNIA, AS PER MAP RECORDED IN BOOK 26, PAGE 19 TO 30 INCLUSIVE OF MAPS, IN THE OFFICE OF THE COUNTY RECORDER OF SAID COUNTY. DEVELOPER: MILLENNIUM -DIAMOND ROAD PARTNERS DIAMOND ROAD COMPANY LLC 2707 S. DIAMOND BAR BLVD, SUITE 202 DIAMOND BAR, CA 91765 TEL: (909) 598-3206 FAX: (888) 777-6880 AP N : 8713-023-002-004/005; AND 8713-024-001 /002 ROUGH GRADING PLAN TRACT MAP 53430 TITLE SHEET - N 0. 1 IN THE CITY OF DIAMOND BAR DRAWING BY: J. LEE CHECK BY: C.C.L. SCALE: DRAWING NUMBER SHT 1A OF 26 2016-04-10 REVISED: JOB NO.: LA 06-128 CONSTRUCTION NOTES Q1 CONSTRUCT 1' CONCRETE V-DITCH (6" DEPTH) BEHIND RETAINING WALL PER DETAIL ON SHEET 4. - © CONSTRUCT 3' WIDE, 1.0' DEPTH CONCRETE V-DITCH PER DETAIL ON SHEET 4; SLOPE PER PLAN. - © CONSTRUCT 3' WIDE, 1.5' DEPTH CONCRETE V-DITCH PER DETAIL ON SHEET 4; SLOPE PER PLAN. - CONSTRUCT 5' WIDE, 1.5' DEPTH CONCRETE V-DITCH PER DETAIL ON SHEET 4; SLOPE PER PLAN. - ® CONSTRUCT 1' CONCRETE BROW DITCH WITHIN 2' TERRACE PER DETAIL ON SHEET 4. ® CONSTRUCT 5' CONCRETE DITCH WITHIN 6' TERRACE PER DETAIL ON SHEET 4. - - © CONSTRUCT 5' CONCRETE DITCH WITHIN 12' TERRACE PER DETAIL ON SHEET 4. - ® CONSTRUCT 3' CONCRETE DOWN DRAIN PER DETAIL ON SHEET 4. - QUANTITIES - 1840 LF - 770 LF - 270 LF - 250 LF - 570 LF - - 13885 LF - 3820 LF - 5340 LF CONSTRUCT CONCRETE GRATING CATCH BASIN PER SPPWC STD. 305-2 BETWEEN DOWN DRAIN AND DISCHARGE PIPE AS SHOWN ON SHEET 4. (W=4.29', T=6 V=6'); PER STORM DRAIN IMPROVEMENT PLAN BY SEPARATE PERMIT. - - - - 5 EA 11 INSTALL 1/4 TON GROUTED RIP -RAP PER DETAIL EC-10 ON SHEET 1B. MINIMUM EMBEDMENT OF RIP -RAP SHALL BE 6". - - - - 1 LS 1© CONSTRUCT AC/AB PAVEMENT, THICKNESS PER SOIL ENGINEER'S DIRECTION, 3" AC OVER 4" CLASS II 3/4" AB MINIMUM. - - - - - - - 17450 SF CONSTRUCT RETAINING WALL PER SEPARATE PERMIT. - - - N/A BY OTHERS INSTALL WHITE PVC SPLIT RAIL FENCE PER DIAMOND BAR COUNTRY ESTATES ASSOCIATION STANDARDS AND DETAIL ON SHEET 5. - - 40 LF 1© COUNTY OF LOS ANGELES, DEPARTMENT OF PARKS AND RECREATION WILL INSTALL TRAIL SIGN PER COUNTY OF LOS ANGELES, DEPARTMENT OF PARKS & RECREATION STANDARDS AS SHOWN ON SHEET 5. - - 1 EA 1® CONSTRUCT 12" RCP WITH 6" CONCRETE HEADWALL ON BOTH SIDES UNDER MULTI -PURPOSE TRAIL PER DETAIL ON SHEET 5 _ 2 EA 1© INSTALL 12' WIDE 4" DECOMPOSED GRANITE PAVEMENT. - - - - - 26000 SF 1® INSTALL CANYON SUBDRAIN SYSTEM PER PROJECT SOIL ENGINEER'S DIRECTION. - - 1 LS 1® INSTALL DETENTION BASIN LINER PER PROJECT SOIL ENGINEER'S RECOMMENDATION AND DIRECTION. - - 1 LS ® CONSTRUCT 6-FT WROUGHT IRON FENCE - - - 2080 LF ® CONSTRUCT CONCRETE STAIRWAY WITH HANDRAILS ON BOTH SIDE PER SPPWC STANDARD 640-3 BY SEPARATE PERMIT (W=6.0', L=4.0', T=1 1 ", R=6.0", C=8.0", S=14' MAX AND MAXIMUM 7" RISERS BETWEEN LANDINGS). 1 LS ® INSTALL SETTLEMENT MONUMENTATION PER SOIL ENGINEER'S DIRECTION. 8 EA ® CONSTRUCT 4" RIVER ROCK WITH CEMENT GROUT AND 1/2" THICK FILTER BETWEEN COMPACTED SOIL AND RIVER ROCK RIPRAP PER STREET IMPROVEMENT PLAN BY SEPARATE PERMIT_- - - - N/A BY OTHERS ® CONSTRUCT STORM DRAIN SYSTEM, SPILLWAY, INLET / OUTLET STRUCTURES, STORM DRAIN PIPE, ETC PER STORM DRAIN PLAN BY SEPARATE PERMIT. - - - - - N/A BY OTHERS © INSTALL 4' WROUGHT IRON FENCE ON TOP OF RETAINING WALL - - N/A BY OTHERS ® CONSTRUCT CONCRETE PAVEMENT (THICKNESS PER SOIL ENGINEER'S DIRECTION, 6" MINIMUM) PER STORM DRAIN- - N/A BY OTHERS PLAN BY SEPARATE PERMIT ©9 INSTALL FIRE DEPARTMENT ACCESS GATE PER STREET IMPROVEMENT PLAN BY SEPARATE PERMIT N/A BY OTHERS ® INSTALL DOUBLE SWING GATE PER SPPWC STANDARD NO. 600-3.- - - 3 EA ® INSTALL SINGLE SWING GATE PER SPPWC STANDARD NO. 600-3. - - - - 1 EA ® CONSTRUCT 4' WIDE RIVER RUN ROCK SWALE PER DETAIL ON SHEET 4 930 LF 40 CONSTRUCT 6" CONCRETE SPLASH WALL PER DETAIL ON SHEET 4.t 1200 LF 41 INSTALL STEEL PIPE BOLLARD PER DETAIL ON SHEET 11. - - - 12 EA ®0 INSTALL WROUGHT IRON SLIDE GATE, WIDTH PER PLAN. - 2 EA ®1 INSTALL 24" X 24" GRATE INLET WITH FILTER - - - - - - 2 EA ® INSTALL 12" PVC (SCH 80) DRAIN PIPE. - - - - 40 LF ® CONSTRUCT CONCRETE RETAINING WALL PER SPPWC STANDARD PLAN 611-3. - - - - - 1 LS ® CONSTRUCT 6" CONCRETE PAVEMENT WITH #4 BAR ® 18"X18" OC - - - - - 1 LS ® INSTALL 4" PERFORATED PVC SUBDRAIN PIPE SURROUND WITH 1-FT X 1-FT GRAVEL MINIMUM SLOPE=0.02, WITH CURB DRAIN PER SPPWC STANDARD 150-3 AT END (OUTLET). - - 1 LS © CONSTRUCT 8" CONCRETE CURB PER SPPWC STANDARD 120-2, TYPE Al -8. - - - 190 LF ® CONSTRUCT 6" CONCRETE WITH #4012" OC, BOTH WAY FACING SLAB (AIR PLACED CONCRETE IS ACCEPTABLE) - - 50 SF ® CONSTRUCT 4" CONCRETE SIDEWALK PER SPPWC STANDARD PLAN 321-2 - - - - 1 LS NOTE: QUANTITIES SHOWN HERE ARE FOR BONDING PURPOSES ONLY. CONTRACTOR IS RESPONSIBLE FOR VERIFYING ALL QUANTITIES PRIOR TO BIDDING AND CONSTRUCTION. *" INDICATED THE PAVEMENT SECTION SHALL BE SUBMITTED SOIL ENGINEER'S APPROVAL. ALL PAVEMENT SECTION RECOMMENDATIONS BASED ON "Red VALUE ANALYSIS OF THE SUB -GRADE SOIL AND TRAFFIC INDEX. CALIFORNIA COUNCIL OF CIVIL ENGINEERS AND LAND SURVEYORS: CONSTRUCTION CONTRACTOR AGREES THAT IN ACCORDANCE WITH GENERALLY ACCEPTED CONSTRUCTION PRACTICES, CONSTRUCTION CONTRACTOR WILL BE REQUIRED TO ASSUME SOLE AND COMPLETE RESPONSIBILITY FOR JOB SITE CONDITIONS DURING THE COURSE OF CONSTRUCTION OF THE PROJECT. INCLUDING SAFETY OF ALL PERSONS AND PROPERTY; THAT THIS REQUIREMENT SHALL BE MADE TO APPLY CONTINUOUSLY AND NOT BE LIMITED TO NORMAL WORKING HOURS, AND CONSTRUCTION CONTRACTOR FURTHER AGREES TO DEFEND, INDEMNIFY AND HOLD DESIGN PROFESSIONAL HARMLESS FROM ANY AND ALL LIABILITY, REAL OR ALLEGED, IN CONNECTION WITH THE PERFORMANCE OF WORK IN THIS PROJECT, EXPECTING LIABILITY ARISING FROM THE SOLE NEGLIGENCE OF DESIGN PROFESSIONAL. SPECIAL NOTE TO CONTRACTORS: -I ' DUE TO THE PROJECT CONDITION, AN EXISTING SURFACE ISTORM WATER FROM THE NORTHERLY PROPERTIES FLOWS I SOUTHERLY DIRECTION THROUGH THE PROJECT SITE FROM INORTHERLY TRACT BOUNDARY TO SOUTHERLY TRACT I BOUNDARY. I A TEMPORARY DRAINAGE DEVICES AND DRAINAGE PLASTIC I IPIPES SHALL BE INSTALLED BY CONTRACTOR(S) DURING THE GRADING OPERATION IN ORDER TO PROVIDE AN I IADEQUATE STORM DRAIN PIPE(S) CAPACITY FOR THE I OFFSITE DRAINAGE AREA. NO WATER PONDING SHALL BE IOCCURRED WITHIN ADJACENT PROPERTIES OR PROJECT I SITE. l TEMPORARY DRAINAGE SYSTEM AND LOCATION SHALL BE IN I COMPLIANCE WITH ALL EROSION CONTROL MEASURES AND I NPDES/SWPPP REPORT DETERMINATIONS. ALL FIELD I CHANGES TO SWPPP DESIGN MUST BE UPDATED AND I MAINTAINED BY THE QSP_ I IALL TEMPORARY DRAINAGE PIPES AND DEVICES SHALL BE I FASTENED PER CALTRAN STANDARD D87B AND D87C AS I SHOWN HEREON. I NOTE: ALL CONCRETE DRAINAGE DITCH, DOWN DRAIN, TERRACE DRAIN, CONCRETE WALL AND SPLASH WALL SHALL BE EARTH TONE COLORED TO EARTH TONE PER THE HILLSIDE GRADING ORDINANCE. EC-1 0 OUTLET PROTECTIONNELOCITY DISSIPATION DEVICES ) ^ 1ii i 'TTnli i ..�..�, e.�iJ 1 r e c .'rn. rr: tz r d ed i.1 entire ar,r r .e°s^r �k ir r i, :...,...... SP.f welded and mod* water tight with asphaltic plawlic cement 0.07f thic+c Seth meal Dulkh*,O wit}+ re infarclny beads 0.075" rnick smooth meta top- ' 1th reinforcing bead Joint R.strainsr Avvembly. Alterno+iw A il �+) 0 oL ►lastic toplpw D �A � -Top""'i InIN W c F PLAN END VIEW ENTRANCE TAPER - TYPE 1 P 10" is lr Yl" 2T 0'a Y 0 r , r , S" , r 2e- ° A_V3 �•• t5' 2A• t'-1. , -6 Taper Joints may be welded or riveted. Y Shoulderl� // E P pipe toper 1 v0 eY J- %Trwnch . lire 4 f• 4 � / Insiallanotlon (Omit chor A _ Nay 1. 2006 _ iNw ehd CMA7 wlMea♦Die / r LANS �vvRov.� o. rE Pipe stake Q Oakum or jute packing Install to perm}+ Oaerlap / 1 •- W Threaded eel rr pt a sn 4wr yr hasp aa4✓n...iiuyr movement G" Yin rod Taper ,�• in I -v MM 1'/z" Pipe stakes, 1 •• 6"-13" I ong when required sell/SpigotwnOr 0 Down droln �/ Pipe a+aca Surface instal lation / 1 •• 3" Standard Plan SECTION - TYPE 1 A D47A for Plot* Detait _ a " NOTES" PLAN 1_ Cable or *I ip joint +0 be used .hen specified. 1/,- 501+e sd saslws (Typicar) 2. Slip joint to be omitted when completely Mriad. ( W �I a Wo A ! C D E F G Y 6"-0- 2'-0- 1,-0" 12"7'_T. 1 �• 5" 6,_O. 2._O., 15" 1'-g" 2'-6" 1'-1 t" 6" 6"-O" 2'-0" 1'-2" le" 2'-0 2 -I 2 -7 S" 6'-O" s'-O 24- 2 -10 7 -70 2 -11 6 9 -0 1 -6 ENTRANCE TAPER - TYPE 1 Plastic tall pipe rr 1 jl• / Caloge Dolts Tapered tole+ with .ashen on both sides PLAN Alternative +oil pipe to w,+ratce pipe correction DETAIL A (See Note T) 2 - d_ p Steel pipes / See Detail g 1"-O" C!7/ /41111 Joint Restrainer A.-bly Alternatl" A Tapered )n W ii I H Yeta Oulkhood Plastic fall pipe 3'-IY •Fth elbow Tapered Inlwt of same eonetruetion and dimensions as Type 1. ENTRANCE TAPER - TYPE-2 I Y" Pipe stake s'-O" long V 0 carriage ar sr fa wachirte Dolts =ea zf" f;f yp F }olden Or ppnM pipe stakes j': • a �_ card Saw Standard ►tan De7A for �� 1 / Plate D*MII� -D = PLASTIC PIPE JOINT RESTRAINER ASSEMBLY Alterntotive A Cable cl7(0,- Cable +O onchw - joint restrolner ,assembly per cable) Sof Yoh* 5_ \ aides Pipe joints Y." (galvanized) "Y ti End Cable anchorage on lost = 1%z- Pipe stakes, section M downdrain (see 6'-O" Long, CODIe Anchor Tarmiml Detail} L one .ash side / ' Yln Energy dissipation not earn CABLE ANCHORAGE SYSTEM OG or fill slope Pipe cop pall +hlcknesa a S" Detail C Pipe dowiWain -- yt" f Cable 6" f COrjoec Steel DIPe Jo Qf f0 q•A.,� nt ar -'Cr Sta f+w ream a/ C loss a ca,creto °gTS*e DETAIL B STEEL PIPE PILE DETAILS FOR CABLE ANCHORAGE SYSTEM COWS 6 a 11 - rWRC (colvanized) �-Thimble ," ■ 1'-6" Jar and jam tthrrtbutice rhim bl a Cable Clamps DETAIL A APPROVED eCITY OF DIAMOND BAR DAVID G. LIU `" CITY ENGINEER RCE. 44053 <2 -2- 6-"-6 DATE PREPARED BY: FOCUS ENGINEERING, INC. CIVIL ENGINEERS LAND SURVEYORS oQROFESS/p,�,� LIN I�G �yc 25- MAUCHLY, SUITE 317 �, y IRVINE, CA 92618 Na 41497 TEL (949) 450-0590 * DP.12/31/17 FAX. (949) 450- `f9lF CIVIC OF \0F CHIA LIN LIU-RUE; 41497 REVISIONS NO. DATE DESCRIPTION L21/. ' a-3" R % )IS(1` Z length) I v n/z" Threaded steel roe s P� see SECTION A -A 3D 6'-0• long when rvWirad PLASTIC PIP v JOINT RESTRAINER ASS Ul Y Al+.rnotivs g r" NOTES Ap "'llhardware to be galvanizer after fabrication. All Pipe s+okwe to be either galvanized arter fobrk,"Ien, er " fabricot" from pre-golvonized pipe. If pre -galvanized pipe is used, weld v areas Nell be sleared, aria pointed with zinc -rich primer. ♦ 0 2.at 5+a,darr ►fat DgTA for details Of entrance nf erence hobslaCem. V W a. dike. 1. rip* Stan** to M teed with joint restrainer el apecified. a. Plastic pipe and fi+tinge used far OVerside drains Nall be from one nwwvfgc+urwr for each In*+011afla_ 5. Entrance ter •N" dimensiae If M"+h of Ineer+len ad metal toper into plai+ic pipe. L.Far cable ar:hora" OYstsm details, ewe Stadbre rya 047C. T.At co"roctore option. tail pipe and taper" Mn.t may be supplied 'rem "arefac "'ar " 6 pre -canoe+" Unit an Shown M 00 911 A. STATE OF CALFORNA 1111EPARTYENT eF TRANSFORTAT10N PLASTIC PIPE DOWNDRAIN DETAILS NO SCALE D87B i(f" a r Steel bond clip ap,aetng RIGISTEeu C;VEE EtcIeEER .R1 •rv006 O•rE Cum? cater.-,.o n. art. - }'4 j'i p Cobie T"rr.a er.., . • , tall W.wr..., r n.uruv..rr are s" Detail ► In pat Nt freer er ehmlr h.hFh'ner�ra,. 1" Yale Co'l•liect _ DETAIL C Z,n °del BAND AND CABLE ASSEMBLY DETAIL s' "°*w Srarr„r FOR CABLE ANCHORAGE SYSTEM Saddle END VIEW PLATE DETAR Clamp y't" ar It. Thieve. ■ See Note 5 Cable Clamps Q s a 41/2" C-C � cn s Z Cable anchor plate a" Plate Detail v a Cable claws, •� %" (Galva,izedi Cable v CA131 E ANCHOR T RM NADETAIL r )10 �7 ,NO ES: Z 1. All hardware t0 be galvanized after fabrication. All pipe traces v to be either 901r i"d after fa,r)mfion, ar be fobricoted tram Ore -galvanized pipe. If prrgOlvenized pipe Is used, weld areas shell be cleanaO, and pairrted with zinc -rich primer. r 2. Digester of do-waN, if maclalum. n S. N" / Cable shovel, YZf 0 cab" Is d:I orraDto far pip. dow,drOln dlas.+ars of g" to 15-. Il80 114" Okm ion for jli• Cabs* and VA.. dimaelan for V2- cable. d. $I Ice join+g not shown., _ S. Sae Standard Plan D*TA for Carntgpted 11stO1 Pipe Dowrdrain Anchor As"eSbly. See Standard Plan "T§ for Plastic Pipe Joint liestrainer Assembly. - G- Cob:* *hall - ccmtm+ wall in finlaled position. Either ad"* position, or replace .rf*c+ed portion of Cable with 90lra,ized sf"1 rod of equivalent diameter. STATE OF CALFORNA OEPARTYENT OF TRANSPORTATM CABLE ANCHORAGE SYSTEM NO SCALE D87C LEGAL DESCRIPTION PARCELS 10, 11, 12 AND 13 OF PARCEL MAP 1528, IN THE CiTY OF DIAMOND BAR, COUNTY OF LOS ANGELES, STATE OF CALIFORNIA, AS PER MAP RECORDED IN BOOK 26, PAGE 19 TO 30 INCLUSIVE OF MAPS, IN THE OFFICE OF THE COUNTY RECORDER OF SAID COUNTY. DEVELOPER: MILLENNIUM -DIAMOND ROAD PARTNERS DIAMOND ROAD COMPANY LLC 2707 S. DIAMOND BAR BLVD, SUITE 202 DIAMOND BAR, CA 91765 TEL: (909) 598-3206 FAX: (888) 777-6880 AP N : 8713-023-002-004/005; ' AND 8713-024-001 /002 ROUGH GRADING PLAN TRACT MAP 53430 TITLE SHEET NO. 2 CONSTRUCTION NOTES AND DETAILS IN THE CITY OF DIAMOND BAR DRAWING BY: J. LEE CHECK BY: C.C.L. SCALE: DRAWING NUMBER 2016-04-10 REVISED: JOB NO.: LA 06-128 SHT 1 B OF 26 GENERAL NOTES: 1. EXISTING AND PROPOSED ZONING: R-1-20,000 2. TOTAL EXISTING SITE AREA: 80.0 ACRES 3. PROPOSED SITE AREA: C" BUILDING PAD AREA: 30.00 ACRES �1 ENGINEERING SLOPE AREA: 26.25 ACRES NATURAL OPEN SPACE AREA: 12.50 ACRES PRIVATE STREET: 6.29 ACRES 4. TOTAL NUMBER OF LOTS: { 3T/JQ i f `�1�`tf 48 SINGLE FAMILY RESIDENTIAL LOTS y 1 HOA AREA - LOT A. INCL LIFT STATION f r- (� N :Ili ; LIV l I DENSITY 0.6 DU/AC. (GROSS) { I I i L f �\ i L i 5. ROCKY TRAIL ROAD FROM AND TO PROJECT SITE IS A SECONDARY/EMERGENCY ACCESS ONLY. T' i 0�' { ; TR9CTiL1.4P✓�3670+ 6. DEVELOPER SHALL HAVE A TEMPORARY F '� L CONSTRUCTION EASEMENT IN THE AREAS OUTSIDE IN { - ,THE LIMITS OF THE GRADING LINE; DEVELOPER �. 3 ,' o SHALL BE ENTITLED TO USE SUCH EASEMENT AREAS FOR PURPOSE OF ACCESSING THE GRADING ��� �. AREA AND PROTECTING THE NATIVE AREA. LOT 13 - �_- ��' . ►� ; wry( i SHEET 7 RN 14 �;l T/ 0,41 � ! SHEET 17 SHEET 7 2,49f2 LOT 15 LOT 1 (ISHEET 7) { f LOT 3 (SHEET 8% LOT 16 -- �. (SHEET 8,) LOT A LOT 4 ;. (SHEET 8,)(SHEET 8,) # { T/ 1/"7 CTI ►14P Saul r go (5N (SHEET 9,) TRACT/�'�.9PLOT 40 LOT 6 f Oivr '' �' ��1 % 9 (SHEET 9� 1 L_._ _ .r+x 357��CA... L OT B (H, 18> ... (SHEET 18j Z 0� l f \ LOT 20 , 75Hf -Er 17) 7R CATIMMI) 0 19 LOT 31 LOT 30 LOT 21 ql o LOT 8 ' Q (/SHEET 20) (SHEET 18� (SHEET >7� (SHEET 101) ' LOT 32 L OT 22 LOT 9 (SHEET 20j L Or 29 (SHEET 17j fa�h(SHEET 10� (SHEET 17 LOT 33 L OT 23 (SHEET 20) LOT 28 � (SHEET If 9) r , (SHEET 15 LOT 34 LOT 2� (SHEET 10 LOT 27 (SHEET 10•' - LOT 35 t� (SHEET 16) �' ♦ (SHEET Ire LOT 25 ' ♦ � OTIIEfT26 (SHEET If 5) All Sor36 D _ ( g ,) L OT 37 (SHEET 15 �p� w 1 LOT ,38 F (SHEET 14) �! A A L OT ,39 (SHEET 14j f -i' LOT 40 (SHEET 14) LOT 41 (SHEET 1-T) -' ♦ LOT 42 (SHEET 1.3) / / SCALE: NOT TO SCALE ,SII��'T .PE L OT 45 (SHEET 14j L OT 44 (SHEET 14,) 'L OT A (SHEET 11) LOTS A & (SHEET 12) L OT 49 (SHEET >.j� cy I B L OT 10 (SHEET 10/) LOT 11 (SHEET IV / 1 / t � / 1 f / / X-SECTION INDEX X-SECTION SHEETS NUMBER A -A 13, 14, 15, 16, 20 B-B 13, 14, 15, 16, 17, 18 C-C 11, 12, 15, 16, 17, 18, 19 D-D 7, 8, 9, 10, 11 E-E 12, 14 F-F 11, 12, 14, 15 G-G 10, 16, H-H 9, 18, 20 J-J 7, 8 M-M 8 N-N 10, 17 S1-S1 7 NPDES NOTES 1. ERODED SEDIMENTS AND OTHER POLLUTANTS MUST BE RETAINED ON SITE AND MAY NOT BE TRANSPORTED FROM THE SITE VIA SHEET FLOW, SWALES, AREA DRAINS, NATURAL DRAINAGE COURSES, OR WIND 2. STOCKPILES OF EARTH AND OTHER CONSTRUCTION RELATED MATERIALS MUST BE PROTECTED FROM BEING TRANSPORTED FROM THE SITE BY THE FORCES OF WIND OR WATER. 3. FUELS, OILS, SOLVENTS, AND OTHER TOXIC MATERIALS MUST BE STORED IN ACCORDANCE WITH THEIR LISTING AND ARE NOT TO CONTAMINATE THE SOIL AND SURFACE WATERS. ALL. APPROVED STORAGE CONTAINERS ARE TO BE PROTECTED FROM THE WEATHER. SPILLS MUST BE CLEANED UP IMMEDIATELY AND DISPOSED OF IN A PROPER MANNER. SPILLS MAY NOT BE WASHED INTO THE DRAINAGE SYSTEM. 4. EXCESS OR WASTE CONCRETE MAY NOT BE WASHED INTO THE PUBLIC WAY OR ANY OTHER DRAINAGE SYSTEM. PROVISIONS SHALL BE MADE TO RETAIN CONCRETE WASTES ON SITE 'UNTIL THEY CAN BE DISPOSED OF AS SOLID WASTE. 5. TRASH AND CONSTRUCTION RELATED SOLID WASTES MUST BE DEPOSITED INTO A COVERED RECEPTACLE TO PREVENT CONTAMINATION OF RAINWATER AND DISPERSAL BY WIND. 6. SEDIMENTS AND OTHER MATERIALS MAY NOT BE TRACKED FROM THE SITE BY VEHICLE TRAFFIC. THE CONSTRUCTION ENTRANCE ROADWAYS MUST BE STABILIZED SO AS TO INHIBIT SEDIMENTS FROM BEING DEPOSITED INTO THE PUBLIC WAY. ACCIDENTAL DEPOSITIONS MUST BE SWEPT UP IMMEDIATELY AND MAY NOT BE WASHED DOWN BY RAIN OR OTHER MEANS. 7. ANY SLOPES WITH DISTURBED SOILS OR DENUDED OF VEGETATION MUST BE STABILIZED SO AS TO INHIBIT EROSION BY WIND AND WATER. 8. THE FOLLOWING BMP'S AS OUTLINED IN, BUT NOT LIMITED TO, THE CALIFORNIA STORMWATER BEST MANAGEMENT PRACTICE HANDBOOK, CALIFORNIA STORM WATER QUALITY TASK FORCE, SACRAMENTO. CALIFORNIA 2003, OR THE LATEST REVISED EDITION, MAY APPLY DURING CONSTRUCTION OF THIS PROJECT. (ADDITIONAL MEASURES MAY BE REQUIRED IF DEEMED APPROPRIATE BY INSPECTOR): LOT NUMBER AND AREA TABLE LOT NUMBER GROSS ACRES NET ACRES PAD ACRES 1 1.31 1.12 0.51 2 2.67 2.56 0.64 3 1 1.56 1.47 0.57 4 1.35 1.25 0.57 5 1.27 • 1.19 0.51 6 1.41 1.31 0.52 7 1.35 1.26 0.49 8 1 1.28 1.19 0.44 9 1.29 1.20 0.33 10 1.28 1.19 0.31 11 1.34 1.23 0.37 12 2.42 2.37 0.34 13 1.70 1.56 0.50 14 1.31 1.12 0.51 15 1.22 1.03 0.47 16 1.20 1.01 0.47 17 1.22 1.09 0.53 18 1.19 1.09 0.42 19 1.05 0.96 0.40 20 1.01 0.91 0.50 LOT NUMBER GROSS ACRES NET ACRES PAD ACRES 21 1.00 0.92 0.56 22 1.00 1 0.91 0.57 23 1.00 0.91 0.57 24 1.00 0.91 0.56 25 1.23 0.91 0.42 26 1.13 0.85 0.53 27 1.01 0.91 0.55 28 1.01 0.91 0.45 29 1.08 0.99 0.45 30 1.34 1.24 0.71 31 2.17 2.10 0.44 32 1.88 1.79 0.58 33 1.79 1.70 0.69 34 1.77 1.68 0.60 35 1.90 1.80 0.46 36 1.57 1.49 0.51 37 1.53 1.44 0.56 38 1.49 1.41 0.44 39 1 1.43 1.34 0.47 40 1 1.55 1.46 0.47 NOTE; PAD AREA INDICATES THE NON -RESTRICTED AREA. EROSION CONTROL BMPS EC-1 SCHEDULING EC-2 PRESERVATION OF EXISTING VEGETATION EC-3 HYDRAULIC MULCH EC-4 HYDROSEEDING EC-5 SOIL BINDERS EC-6 STRAW MULCH EC-7 GEOTEXTILES & MATS EC-8 WOOD MULCHING EC-9 EARTH DIKES AND DRAINAGE SWALES EC-10 VELOCITY DISSIPATION DEVICES EC-11 SLOPE DRAINS EC-12 STREAMBANK STABILIZATION EC-13 POLYACRYLAMIDE TEMPORARY SEDIMENT CONTROL BMPS SE-1 SILT FENCE SE-2 SEDIMENT BASIN SE-3 SEDIMENT TRAP SE-4 CHECK DAMS SE-5 FIBER ROLLS SE-6 GRAVEL BAG BERM SE-7 STREET SWEEPING AND VACUUMING SE-8 SANDBAG BARRIER SE-9 STRAW BALE BARRIER SE-10 STORM DRAIN INLET PROTECTION TEMPORARY TRACKING CONTROL BMPS TC-1 STABILIZED CONSTRUCTION ENTRANCE TC-2 STABILIZED CONSTRUCTION ROADWAY TC-3 ENTRANCE/OUTLET TIRE WASH NON-STORMWATER MANAGEMENT BMPS NS-1 WATER CONSERVATION PRACTICES NS-2 DEWATERING OPERATIONS NS-3 PAVING AND GRINDING OPERATIONS NS-4 TEMPORARY STREAM CROSSING NS-5 CLEAR WATER DIVERSION NS-6 ILLICIT CONNECTION/DISCHARGE NS-7 POTABLE WATER/IRRIGATION NS-8 VEHICLE AND EQUIPMENT CLEANING NS-9 VEHICLE AND EQUIPMENT FUELING NS-10 VEHICLE AND EQUIPMENT MAINTENANCE NS-11 PILE DRIVING OPERATIONS NS-12 CONCRETE CURING NS-13 CONCRETE FINISHING NS-14 MATERIAL AND EQUIPMENT USE NS-15 DEMOLITION ADJACENT TO WATER NS-16 TEMPORARY BATCH PLANTS WASTE MANAGEMENT & MATERIALS POLLUTION CONTROL BMPS WM-1 MATERIAL DELIVERY AND STORAGE WM-2 MATERIAL USE WM-3 STOCKPILE MANAGEMENT WM-4 SPILL PREVENTION AND CONTROL WM-5 SOLID WASTE MANAGEMENT WM-6 HAZARDOUS WASTE MANAGEMENT WM-7 CONTAMINATED SOIL MANAGEMENT WM-8 CONCRETE WASTE MANAGEMENT WAD-9 SANITARY/SEPTIC WASTE MANAGEMENT WM-10 LIQUID WASTE MANAGEMENT WE-1 WIND EROSION CONTROL PUBLIC UTILITIES AND DISTRICTS: WATER WALNUT VALLEY WATER DISTRICT SHERIFF L.A COUNTY SHERIFF'S DEPARTMENT 271 S. BREA CANYON ROAD, WALNUT/DIAMOND BAR SUBSTATION (P. 0. BOX 508) 21695 VALLEY BLVD., WALNUT, CA 91789-3002 WALNUT, CA 91789 (909) 595-1268 (909) 595-2264 GAS: SOUTHERN CALIFORNIA GAS COMPANY CABLE ADELPHIA P. 0. BOX. C 20965 LYCOMING STREET MONTEREY PARK, CA 91756 WALNUT, CA 91789 (800) 427-2200 (909) 594-2729 TELEPHONE GENERAL TELEPHONE COMPANY (VERIZON) SEWER COUNTY SANITATION DISTRICTS OF 1400 E. PHILIPS LOS ANGELES COUNTY POMONA, CA 91766 1955 WORKMAN MILL ROAD (800) 483-5000 WHITTIER, CA 90601 (562) 699-7411 ELECTRIC SOUTHERN CALIFORNIA EDISON COMPANY 800 W. CIENEGA SAN DIMAS, CA 91773 (626) 302-1212 (562) 699-7411 APPROVED BY: LOT NUMBER GROSS ACRES NET ACRES PAD ACRES 41 1.75 1.64 0.62 42 2.77 2.74 0.80 43 1.47 1.44 0.48 44 1.06 0.96 0.42 45 1.16 1.07 0.41 46 1.09 0.78 0.53 47 1.00 0.91 0.46 48 1.12 1.01 0.50 A 8.86 7.81 N/A B 3.41 3.30 N/A TOTAL 80.0 73.4 24.2 GEOTECHNICAL CONDITIONS: PRIOR TO SITE GRADING, THE FOLLOWING CONDITIONS MUST BE FULFILLED: 1. ALL RECOMMENDED REMEDIAL MEASURES SHOULD BE SHOWN ON THE GRADING PLANS, INCLUDING: -THE LIMITS AND DEPTH OF EXPECTED REMOVAL -BUILDING PAD OVEREXCAVATION DEPTH ESTIMATES -ALL STABILITY KEYS AND BUTTRESSES THE LOCATION OF RECOMMENDED SETTLEMENT MONUMENTS -THE LOCATION OF RECOMMENDED SLOPE INCLINOMETERS OR OTHER SLOPE MONITORING DEVICES 2. A NOTE SHOULD BE ADDED TO THE GRADING PLANS INDICATING THAT THE GEOTECHNICAL REPORT AND ALL RESPONSE REPORTS ARE INCORPORATED INTO THE PLANS. 3. NOTES SHOULD BE ADDED TO THE GRADING PLANS SHOWING THE LOCATION OF THE PROPOSED BORINGS ABOVE LOTS 17 AND 18 AND INDICATING THAT l EXCAVATION OF THE CUT SLOPE ABOVE THESE LOTS SHOULD NOT PROCEED UNTIL ANALYSIS OF THE SLOPE STABILITY IN THIS AREA HAS BEEN COMPLETED. 4. THE GRADING PLANS SHOULD BE SUBMITTED FOR REVIEW ONCE THEY HAVE BEEN FINALIZED. THE GEOTECHNICAL CONSULTANT SHOULD REVIEW AND SIGN THE GRADING PLANS TO CONFIRM THEIR RECOMMENDATIONS ARE CORRECTLY INCORPORATED INTO THE PLANS. 5. PROVIDE GLOBAL STABILITY ANALYSIS FOR STACKED RETAINING WALL CONDITIONS ON THE SIDE YARD OF LOT 26 WHEN THE DESIGN IN THIS AREA IS AVAILABLE. 6_ THE GRADING EASEMENTS ADJACENT TO TRACT 53670 DISCUSSED IN THE REPORTS SHOULD BE IN PLACE PRIOR TO GRADING OF EITHER SITE. IF GRADING OF TRACT 53670 PROCEEDS PRIOR TO TRACT 53430 GRADING, THE GEOTECHNICAL CONSULTANT FOR TRACT 53430 SHOULD OBSERVE THE OFFSITE GRADING TO CONFIRM THE REQUIREMENTS FOR TRACT 53430 ARE BEING MET. 7. PRIOR TO AND/OR DURING GRADING, THE FOLLOWING REQUIREMENTS MUST BE FULFILLED: 8. RESTRICTED USE AREAS DISCUSSED IN THE REPORTS SHOULD BE SHOWN ON THE FINAL MAPS FOR THE PROJECT. THE LIMITS OF THOSE RESTRICTED USE AREAS SHOULD BE PROVIDED BY THE GEOTECHNICAL CONSULTANT TO THE PROJECT CML ENGINEER FOR INCLUSION ON THE PLANS AND SUBMITTED FOR REVIEW. THE RECOMMENDED DISCLOSURE DISCUSSING POSSIBLE FAILURE OF OFFSITE NATURAL SLOPES SHOULD BE PROVIDED TO FUTURE HOMEOWNERS AS RECOMMENDED IN THE GEOTECHNICAL REPORTS. 9. AS NOTED IN THE REPORTS, THE EARTH MANAGEMENT PLAN FOR LANDSLIDE REMOVAL SHOULD BE DISCUSSED IN DETAIL WITH ALL PARTIES CONCERNED PRIOR TO THE ONSET OF GRADING FOR THE LANDSLIDE. THE GRADING CONTRACTOR MUST BE COMPLETELY FAMILIAR WITH THE REQUIREMENTS OF THE PLAN. THE RECOMMENDATIONS OF THE GEOTECHNICAL CONSULTANT AS DISCUSSED IN THE REPORT AND AS PROVIDED IN THE FIELD SHOULD BE FULLY IMPLEMENTED DURING GRADING. DETAILED GEOLOGIC MAPPING SHOULD BE PERFORMED CONTINUOUSLY BY THE CONSULTANT AS LANDSLIDE REMOVALS PROGRESS, AND THE DATA SHOULD BE REVIEWED FOR VARIATIONS FROM THE ANTICIPATED CONDITIONS. SLOPE STABILITY ANALYSIS SHOULD BE PERFORMED IMMEDIATELY FOR ALL CONDITIONS THAT VARY FROM THOSE EXPECTED. 10. THE CONSULTANT HAS RECOMMENDED EXCAVATION OF TWO BORINGS IN THE SLOPE AREA ABOVE LOTS 17 AND 18 AND CLEAN OUT AND GEOLOGIC MAPPING OF THE CANYONS IN THIS AREA TO CONFIRM THE GEOLOGIC CONDITIONS. THIS WORK IS TO BE DONE PRIOR TO CUTTING THE SLOPE ABOVE LOTS 17 AND 18. ONCE THE GEOLOGIC CONDITIONS ARE CONFIRMED, ADDITIONAL SLOPE STABILITY ANALYSIS SHOULD BE PERFORMED AS CONDITIONS WARRANT AND THE RESULTING ANALYSIS SUBMITTED FOR REVIEW. 11. AS RECOMMENDED, ALL REMOVAL AREAS, KEY WAYS AND BACKCUTS SHOULD BE GEOLOGICALLY MAPPED IN DETAIL TO CONFIRM THE GEOLOGIC CONDITIONS ARE AS ANTICIPATED. UPDATED SLOPE STABILITY ANALYSIS SHOULD BE CONDUCTED FOR ALL SLOPE AREAS EXPOSING GEOLOGIC CONDITIONS DIFFERENT THAT ANTICIPATED. MONTHLY IN -GRADING PROGRESS REPORTS SHOULD BE SUBMITTED SUMMARIZING THE GEOTECHNICAL CONDITIONS AS GRADING PROGRESSES. 12. AN AS -GRADED REPORT DOCUMENTING THE SOIL ENGINEERING AND GEOLOGIC CONDITIONS ENCOUNTERED MUST BE SUBMITTED AND APPROVED AT THE COMPLETION OF GRADING PRIOR TO ISSUANCE OF BUILDING PERMITS. THE REPORT SHOULD INCLUDE A MAP SHOWING THE GEOLOGIC CONDITIONS, THE LOCATION AND DIMENSION OF AS -BUILT STABILITY MEASURES AND THE LOCATIONS OF DENSITY TESTS. CITY OF DIAMOND BAR DAVID G. LIU CITY ENGINEER RCE. 44053 DATE PREPARED BY: FOCUS ENGINEERING, INC. CIVIL ENGINEERS LAND SURVEYORS Q�OFESS/p,�� 26 MAUCHLY, SUITE 317 y, IRVINE, CA 92618 Na 41497 rn TEL (949) 450-0590 * UP. 12/31/17 y� FAX. 94 A A J� CIVI\. 9lF OF Cps\F��� LIN LIU RCE; 41497 REVISIONS NO. DATE DESCRIPTION LEGAL DESCRIPTION PARCELS 10, 11, 12 AND 13 OF PARCEL MAP 1528, IN THE CITY OF DIAMOND BAR, COUNTY OF LOS ANGELES, STATE OF CALIFORNIA, AS PER MAP RECORDED IN BOOK 26, PAGE 19 TO 30 INCLUSIVE OF MAPS, IN THE OFFICE OF THE COUNTY RECORDER OF SAID COUNTY. DEVELOPER: MILLENNIUM -DIAMOND ROAD PARTNERS DIAMOND ROAD COMPANY LLC 2707 S. DIAMOND BAR BLVD, SUITE 202 DIAMOND BAR, CA 91765 TEL: (909) 598-3206 FAX: (888) 777-6880 AP N : 8713-023-002-004/005; AND 8713-024-001 /002 ROUGH GRADING PLAN TRACT MAP 53430 DETAIL SHEET IN THE CITY OF DIAMOND BAR DRAWING BY: J. LEE CHECK BY: C.C.L. SCALE: DRAWING SHT 2 NUMBER OF 26 2016-04-10 REVISED: JOB NO.: LA 06-128 H/5 REQUIREMENTS: H/5 REQUIREMENTS: 2' MIN. & 10' MAX. WHERE THE 2' MIN. & 10' MAX. WHERE THE PROPERTY LINE ADJACENT TO TOE OF PROPERTY LINE ADJACENT TO TOE OF EXISTING SLOPE; X EXISTING SLOPE; 2 MIN. & 20 MAX. WHERE THE 2' MIN. & 20' MAX. WHERE THE PROPERTY LINE ADJACENT TO TOP OF PROPERTY LINE ADJACENT TO TOP OF EXISTING SLOPE. EXISTING SLOPE. PROPERTY LINE PROPERTY LINE 2:1 2:1 - 2:1 2:1 MAXLT MAX MAX MAX z PAD ELEV GRADED PAD LIMIT PAD EL LIMIT OF ROUG GRADING PAD PAD ELEV J PER PLAN 2.0' PER PLAN PER PLAN MAX a af � 0 LOWER PAD - Q N PAD ELEVATION w F- 0 x z X x Q w x Q a� PER PLAN w W W a o o' w z o w V) Q af 0ft� PAD ELEV. PER PLAN Q � PAD ELEV � Y af m D y WGRADED PAD LIMIT PER PLAN V � 2:1 � W 0 a MAX TEMPORARY SLOPE Z () 2:1 MAX O J J GRADED PAD LIMIT PAD ELEV x 0 PER PLAN UPPER PAD w 0 2.0' PAD PER ELEV PLAN LIMIT OF ROUGH GRADING PAD ELEV PAD PER PLAN PAD ELEVATION Of a PAD ELEV PER PLAN 2:1 PER PLAN GRADED PAD LIMIT 2% MIN. MAX 2:1 MAX 2% MIN. I 2:1 MAX + PROPERTY LINE / STREET EASEMENT PROPERTY LINE / STREET EASEMENT PROPOSED STREET PROPOSED STREET TYPICAL LOT ROUGH GRADING PLAN TYPICAL SPLIT LOT ROUGH GRADING PLAN N.T.S. (LOT 2 6) N.T.S. ww �z O-i af a -12 0AD @ ADJACENT LL PROPERTY OQ4, 6.0 GRAVEL Z n 1 9, 5% MAX. 15% BAGS MAX n `L_ F� A A m PAD ELEV. PER PLAN <t,L- I 0 0 0� 0 TYPICAL SECTION BETWEEN GRADED LOTS X-X EARTH RAMPS w N.T.S. DOUBLE ROW GRAVEL BAGS I DIRECTION OF STREET FLOW w w (SEE PLANS FOR HEIGHT) w w Z O J Of o_ PLAN 43 EARTH BERM AT 15% MAX. SECTION A -A (ABOVE) STREET DESILTING BASIN VEHICLE ACCESS RAMP N.T.S. 200' MAX. GRAVELBAGS (TYP. 0 m 0 = � 0 � r 0 Q m DIRECTION OF 3 QQ STREET FLOW n 00 w� 8' MIN. SPACING FOR VEHICLE ACCESS PLAN 2 BAGS MIN. GRAVELBAGS (TYP.) TYPICAL TYPICAL SECTION ELEVATION GRAVELBAG VELOCITY REDUCER N.T.S. W X 20'-30 5' 31'-40 7' 41'-50 9' 51'-60 10.5 61'-70 12' J w OQ BERM @ PL QfTOP OF SLOPE G (TYP) BERM @ PL TOP OF SLOPE (TYP) PAD @ ADJACENT PROPERTY -jl 2 0 L- PAD ELEV. PER PLAN OQF. 6.0 PAD @ ADJACENT ���'\� TYPICAL SECTION BETWEEN GRADED LOTS Y-Y PROPERTY N.T.S. w z J w cii o_ �? H/5 REQUIREMENTS: O w o 2' MIN. & 10' MAX. a 0 Cr - Q m Z BERM @ � TOP OF SLOPE = cv - 12.0t` (TYP) `l;•��2- G�� L 19Q� 6.0PAD ELEV. PER PLAN TYPICAL SECTION BETWEEN PAD AND NATURE GRADE N.T.S. SPECIFIER CHART MODEL NO. CURB OPENING WIDTH - W - STORAGE CAPACITY - Cu. Ft. - CLEAN FLOW RATE - GPM/CFS - FGP-24C1 2.0' (24") .95 338 / .75 FGP-30C1 2.5' (30") 1.20 450 / 1.00 FGP-36CI 3.0' (36") 1.50 563 / 1.25 FGP-42CI 3.5' (42") 1.80 675 / 1.50 FGP-48CI 4.0' (48") 2.10 768 / 1.76 FGP-5.001 5.0' (60") 2.40 900 / 2.00 FGP-6.001 6.0' (72") 3.05 1,126 / 2.51 FGP-7.001 7.0' (84") 3.65 1,350 / 3.01 FGP-8.001 8.0' (96") 4.25 1,576 / 3.51 FGP-10.001 10.0' (120") 4.85 1,800 / 4.01 FGP-12.001 12.0' (144") 6.10 2,252 / 5.02 FGP-14.001 14.0' (168") 7.30 2,700 / 6.02 FGP-16.001 16.0' (192") 8.55 3.152 / 7.02 FGP-18.001 18.0' (216") 9.45 3,490 / 7.78 FGP-21.001 21.0' (252") 10.95 4,050 / 9.02 FGP-28.001 28.0 (336") 14.60 5,400 / 12.03 NOTE: 1. FLOGARD PLUS FILTER INSERTS SHALL BE INSTALLED ACROSS THE ENTIRE WIDTH OF CURB OPENING. STORAGE CAPACITY AND CLEAN FLOW RATES ARE BASED ON FULL WIDTH INSTALLATION. 2. FILTER INSERT SHALL BE ATTACHED TO THE CATCH BASIN WITH STAINLESS STEEL EXPANSION ANCHOR BOLTS & WASHERS (3/8" X 2-1/2" MINIMUM LENGTH.) SEE DETAIL A. 3. FLOGARD PLUS FILTER INSERTS ARE DESIGNED WITH A DEBRIS TRAP/ENERGY DISSIPATOR FOR THE RETENTION OF FLOATABLES AND COLLECTED SEDIMENTS. 4. FILTER SUPPORT FRAME SHALL BE CONSTRUCTED FROM STAINLESS STEEL TYPE 304. 5. FILTER LINER SHALL BE CONSTRUCTED FROM DURABLE POLYPROPYLENE, WOVEN, MONOLITAMENT. GEOTEXTILE. FILTER LINER SHALL NOT ALLOW THE RETENTION OF WATER BETWEEN STORM EVENTS. 6. FILTER INSERTS ARE SUPPLIED WITH "CLIP -IN" FILTER POUCHES UTILIZING FOSSIL ROCK- FILTER MEDIUM FOR THE COLLECTION AND RETENTION OF PETROLEUM HYDROCARBONS (OILS & GREASES). 7. FLOGARD PLUS FILTER INSERTS AND FOSSIL ROCK FILTER MEDIUM POUCHES MUST BE MAINTAINED IN ACCORDANCE WITH MANUFACTURER RECOMMENDATIONS. 8. FLOGARD PLUS FILTER INSERTS ARE AVAILABLE IN STANDARD LENGTHS OF 24", 30% 35". 42" & 48" AND MAY BE INSTALLED IN VARIOUS LENGTH COMBINATIONS (END TO END) TO FIT LENGTH OF NOTED CATCH BASIN. 9. CLEAN FLOW RATES ARE "CALCULATED" BASED ON LINER FLOW RATE OF 140 GALLONS PER MINUTE PER SQUARE FOOT OF MATERIAL; A FACTOR OF .50 HAS BEEN APPLIED TO ALLOW FOR ANTICIPATED SEDIMENT & DEBRIS LOADING. AN ADDITIONAL SAFETY FACTOR OF BETWEEN 25 & .50 MAY BE APPLIED TO ALLOW FOR SITE SPECIFIC SEDIMENT LOADING. 10. STORAGE CAPACITY REFLECTS MAXIMUM SOLIDS COLLECTION PRIOR TO IMPENDING "INITIAI" FILTERING BYPASS. THE "ULTIMATE" HIGH -FLOW BYPASS WILL NOT BECOME IMPEDED DUE TO MAXIMUM SOLIDS LOADING. FloGard®+Plus FILTER FRAME FILTER LINER & SUPPORT BASKET. FloGardO+Plus CUF INLET FILTE ASSEMBL CATC BAS I r 1:3 MOUNTING BRACKET DETAIL A MOUNTING BRACKET & EXPANSION BOLTS SEE NOTE 2 SCALE 6/1 ')LU I IUIV b-b TOP VIEW SCALE 1/1 FLO-GARD® CURB INLET FILTER ASSEMBLY. CATCH BASIN. SECTION A -A SIDE VIEW SCALE 1/1 EXPANSION BOLT JRB 'ENING ABSORBENT POUCH. FLOGRAD PLUS CATCH BASIN FILTER INSERT DETAIL SCALE: NONE EE DETAIL A URB OPENING FILTER LINER & SUPPORT BASKET. /_-OUTLET APPROVED BY: LEGAL DESCRIPTION CITY OF DIAMOND BAR PARCELS 10, 11, 12 AND 13 OF PARCEL MAP 1528, IN THE CITY OF DIAMOND BAR, COUNTY OF LOS ANGELES, STATE OF CALIFORNIA, AS PER MAP RECORDED IN BOOK 26, PAGE 19 TO 30 INCLUSIVE OF MAPS, IN THE OFFICE OF THE COUNTY RECORDER OF SAID COUNTY. DEVELOPER: MILLENNIUM -DIAMOND ROAD PARTNERS DAVID G. LIU CITY ENGINEER RCE. 44053 DATE DIAMOND ROAD COMPANY LLC2707 S. DIAMOND BAR BLVD, SUITE 202 DIAMOND BAR, CA 91765 TEL: (909) 598-3206 FAX: (888) 777-6880 PREPARED BY: FOCUS ENGINEERING, INC. CIVIL ENGINEERS LAND SURVEYORS 25 MAUCHLY, SUITE 317 IRVINE, CA 92618 TEL (949) 450-0590 FAX. (949) Q�pFESS/p,� LIN �% �yc " Na 41497 rn * D�.12/31/17 s91� CIVIL OF CUAA APN: 8713-023-002-004/005; AND 8713-024-001/002 ROUGH GRADING PLAN CHIA LIN LIU RCE; 41497 TRACT MAP 53430 DETAIL SHEET 1 REVISIONS NO. DATE DESCRIPTION IN THE CITY OF DIAMOND BAR DRAWING BY: J. LEE CHECK BY: C.C.L SCALE: DRAWING NUMBER SHT 3 OF 26 2016-04-10 REVISED: JOB NO.: LA 06-128 W=1.00' FOR 6' WIDE TERRACE W=7.00' FOR 12' WIDE TERRACE LASH WALL W 2.50' 2.50' w oQ w� z� J Z � S w Lj HINGE M ~ 9POINT 2. 0.5 21 OS 00 A. _\ o 1.4X1.4 WWM `t 6"X6"-W ` 1.4X1.4 WWM 1 \ 5' CONCRETE TERRACE ,0RA/N DETA/L©oR (2) MINIMUM SLOPE=5% NTS FOR BOTH 6' AND 12' WIDE TERRACE) wo ALL EDGES TO BE TRIMMED SMOOTH) W Z z_ Q J � w z w 30 U � 4" 4" 3.00' 1.50' 1.50' 3" 6"X6"-W oo­ 11.4X11.4 WWM DOWN DRAIN 3w ANCHOR 3" #4 BAR #4 BAR DOWN DRAIN c,4 ANC. HOR 3" .3 FT CONc NOTE: 1. CONCRETE SHALL HAVE A MINIMUM ULTIMATE COMPRESSIVE STRENGTH AT 28 DAYS OF 2500 PSI. 2. REINFORCING SHALL BE #4 RE -BAR ® 24" O.C. (SPLASH WALL OR DOWN DRAIN ANCHOR) AND 6" X 6" - W 1.4 X W 1.4 WELDED WIRE MESH (WWM) FOR CONCRETE V-DITCH OR APPROVED EQUAL. 3. GROUND SHALL BE PRE -WETTED TO THE SATISFACTION OF THE BUILDING OFFICIAL OR ENGINEER PRIOR TO PLACEMENT OF CONCRETE. MOISTURE LOSS RETARDING SHALL BE USED WHEN REQUIRED BY THE BUILDING OFFICIAL OR ENGINEER. 4. INSTALL CONCRETE OR CONCRETE BLOCK SPLASH WALL WHEN DOWN DRAIN TERMINATES AT TERRACE DRAIN. 5. INSTALL CONCRETE DOWN DRAIN ANCHOR EVERY 10-FT IN VERTICAL HEIGHT AND AT TOP / TOE OF DOWN DRAIN. W=1.00' FOR 6' WIDE TERRACE W=7.00' FOR 12' WIDE TERRACE NOTE: `o W SPLASH WALL LOCATED AT DOWN DRAIN INTERSECTION WITH TERRACE 6. CROSS DRAIN. o0 4-RE-BAR ® 24 O.C.CV -R=0.5' pQE MPS S� 6' 4-RE-BAR " " V ,1• , ,. 1.4X1.4 WWM SPLASH IXYALL aETAS/ 40 ivo O10 CONST. GRATING CATCH BASIN PER SPPWC STD. 305-3, W=4.29'. V=3.5' V1=3.0', A-45'00'00" t-6") INSTALL RIVER ROCK i CONSTRUCT CONCRETE (TYP) ~ ` 2.95� ° V-DITCH; PER SD. PLAN ` ,.INV PER €iIIII 1 , SD N .. I O o A CONSTRUCT SD PIPE: a' :' 1 1 1 1 I (SCH 40) PER SD PLAN FLOWLINE I `�' GRATE ON ,,.ry TOP;TOPS DISCHARGE TOY. y B STORM DRAIN. A. CATCH BASIN PER, �� T MTD 1833. 5*0000" A �'' I ^ / � z PLAN VIEW TRASH RACK PER '-'' v~iNTS SPPWC STD. PLAN NO. 361-2 U > Z o >-.�--,-..a 2% TYP a- � o_ GRATE ON TOP CONC. V-DITCH PER Pl�`N 03 HOA) ,,,v`: M h o INSTALL ;. o o 18* BY PRIVATE (MAINT. PLAN) (SLOPE PER M q N w o N 1 4 O RIVER ROCK Of 2.95'y r- k U U RIP RAP TYP a _ FLOW LINE ELEV. 0 F CONST. CONC. N > V-DITCH; FL PER PLAN V-DTICH 3 WIDTH=3.0 U o Q'`� � 10 INSTALL FOSSIL FILTER DEPTH=1.5' o m 00 w=� TYPICAL SECTION TB-B 0~0 � � FLOWLINE NTS TYPICAL SECTION A -A o o NTS L AN DITCH,DOWNDRAIN,LL TERB CE CO/ /C. V-D/T - CATCH BA51N AN29 TO EARTH TONE PER THE HILLSIDE STORtiI P/PE CONNECT/ON DETA/L (MAINTAINED BY PRIVATE HOA) NTS �CONSTiQI�CT PEiQ 57-01'FIV ORA/N /tiIPRO/EMENT PLAN CONST. CONC. "V' DITCH PER DETAIL ON RIGHT GROUT ALL CELLS SOLID BACKFILL: 901. COMPACTION "-Illill TW PER PLAN 8 12 VLEVEL- 0.5' 0.5' MIN WATERPROOFING PER a Z C. W CL 6w 3.0' 3.0' 5.0' IMPORTED CLEAN SANDCL 4' IN. 1.5' 1.5' 2.5' W -L W S. E. > 30 APPROVED 6X 6-10X 1 WWM ®MID. . Q = BY SOILS ENGR. 1-FT CONC. "V" DITCH • 1 1.0' 1.5' . ' 1.5' a �° SLOPE= 1 % MINIMUM NTS - A w •- w • _ w • DEPTH OF COVER v p ov 4 MIN. 6X6-10X10 4 MIN. 6X6-10X10 4 MIN. 6X6-10X10 PER STRUCTURAL THE SAND BACKFILL PLACED WWM ®MID. WWM ®MID. WWM ®MID. ENGINEER'S DIRECTION : , = = AT THE BASE OF THE WALLS SHOULD EXTEND TO A �• MINIMUM HORIZONTAL 3-FT CONC. N DITCH 2 3-FT CONC. 'V/ DITCH 3 5-FT CONC. "V DITCH 4 B DISTANCE OF 2 FEET BEHIND SLOPE= 1% MINIMUM NTS SLOPE= 2.5% MINIMUM NTS SLOPE= 2.5% MINIMUM NTS THE WALL, OR TO A DISTANCE EQUAL TO THE HEEL WIDTH OF THE FOOTING, WHICHEVER 1' 6.0' 10.0' IS GREATER. 3•0' 4.0' 3.0' TYPICAL RETAINING WALL SECTION 0.5' 3 0' IN ALL 12" RIVER ROCK 6" MIN (D-50 SIZE); D=24". 6X6-1 OX10 rKt-, \,; i`•\-;�`..!-'';.; . ' 6X6-10X10 4' MIN. 6X6-10X10 4" MIN. 6X6-10X10 WWM ®MID. lam; _ ,.' WWM ®MID. WWM ®MID. WWM GMID. COMPACTED COMPACTED DIRT COMPACTED INSTALL FIBER FILTER DIRT 1-FT BROW DITCH 6-FT CONCRETE SWALE� DIRT THICKNESS = 4". 1-FT CONC. DITC5 SLOPE= 1 % MINIMUM 10-FT CONCRETE SWAL�, SLOPE= 1 % MINIMUM SLOPE=l % MINIMUM y INTERCEPTOR DRAINS TYPICAL SECTION NOTE: ALL CONCRETE DRAINAGE DITCH, DOWN DRAIN, TERRACE DRAIN, CONCRETE WALL AND SPLASH WALL SHALL BE EARTH TONE COLORED TO EARTH TONE PER THE HILLSIDE GRADING ORDINANCE. TWO (2) BAGS WIDE A --i TWO (2) BAGS HEIGHT TWO (2) _BAGS WIDE FINISH GRADE FINISH GRADE SECTION A -A A-j TYPICAL SECTION - GRAVELBAG NTS NTS W - U J a ujQ Z w cn z �af O ZU Z C6LuOU Lo ® 3.5' 2.5'1 Q o o ►M W/2:1 BACKFILL RETAINING WALL CONSTRUCTION N.T.S. PER STRUCTURAL ENGINEER'S DIRECTION O-4" PERFORATED PVC SCH. 40 PIPE W/MIN. 1 CF/LF OF OPEN GRADED GRAVEL WRAPPED IN MIRAFI 140N, OR EQUAL FILTER FABRIC. ©- 2" PVC SCH. 40 PIPE ® 10' O.C. FOR SUBDRAIN OUTLET W W o U ,l, a_ <wQ Z w _j cn 1.0' BROW DITCH wo z Of ® CENTER L� w ozz U a t6 w o0 2.0 00 PAD PER PLAN 3 a Ld ® 3.5' 2.5' �, M I- U no ,� ti wo _0 ' 2.5% 5% TYP/CAL SECT/ON OF 9R091 D/TCH d TERRACE L OCAT/ON NTS TYPICAL TYPICAL BENCHING/ ! PER SOIL ENGINEER'S - DIRECTION _z< z z J U J z3 z a a = U U = Z � U (o� 10.00' MAINTENANCE INSTALL 1' 0.5 ACCESS ROAD O1 WIDE CONCRETE DRAINAGE DITCH (TYP) 2% 2% 3" AC PAVEMENT 4" AGGREGATE BASE''' COMPACTED NATURAL DIRT ,S M \REDWOOD 0 HEADER CONST. RET. WALL PER SEPARATE PLAN ALAA10 IIEICHTS ORIkE WALL PER GRADING PLAN V HEADER u TYPICAL MAINT. ACCESS ROAD SECTION S 1-S 1 W--10 NOT TO SCALE SEE SHEET 7. 22) INSTALL RIVER RUN ROCK, 6" DIA. MIN, 12" DIA. MAX, AND SHALL NOT EXCEED 4 TIMES THE SAWCUT INSTALL MIRAGI 140 FABRIC FILTER PER PROJECT SOIL ENGINEER'S DIRECTION 4' WIDE RIVER RUN ROCK SWALEn NTS 36 PROPOSED COMPACTED FILL PER SOIL ENGINEER'S �O DIRECTION (TYP) GAO' COLLUVIUM AND I I LLUVI(- AUM REMOVAL _ _ -I I I- I -I I I- - =1 I=1 LOCATION AND EXTEND OF SUBDRAINS SHOULD -� BE DETERMINED BY SOIL ENGINEER AND OR ENGINEERING GEOLOGIST DURING GRADING (TYP) U TYPICAL BENCHING PER SOIL ENGINEER'S DIRECTION FG PER PLAN PROPOSED COMPACTED FILL PER SOIL ENGINEER'S DIRECTION (TYP) GAO COLLLMUM AND _ ALLUVIUM REMOVAL -I I LOCATION AND EXTEND OF SUBDRAINS SHOULD BE DETERMINED BY SOIL ENGINEER AND/OR ENGINEERING GEOLOGIST DURING GRADING (TYP CANYON SUBDRAIN DETAILNTS CANYON SUBDRAIN DETAILNTS (TYPE A - SEE SOIL ENGINEERING REPORT FOR DETAIL) (TYPE B SEE SOIL ENGINEERING REPORT FOR DETAIL) APPROVED BY: LEGAL DESCRIPTION CITY OF DIAMOND BAR PARCELS 10, 11, 12 AND 13 OF PARCEL MAP 1528, IN THE CITY OF DAVID G. LIU / CITY ENGINEER PREPARED BY: FOCUS ENGINEERING, INC. CIVIL ENGINEERS LAND SURVEYORS 25 MAUCHLY, SUITE 317 IRVINE, CA 92618 TEL. (949) 450-0590 FAX. ((9 - DIAMOND BAR, COUNTY OF LOS ANGELES, STATE OF CALIFORNIA, AS PER MAP RECORDED IN BOOK 26, PAGE 19 TO 30 INCLUSIVE OF MAPS, IN THE OFFICE OF THE COUNTY RECORDER OF SAID COUNTY. DEVELOPER: MILLENNIUM -DIAMOND ROAD PARTNERS RCE. 44053 DATE DIAMOND ROAD COMPANY LLC 2707 S. DIAMOND BAR BLVD, SUITE 202 DIAMOND BAR, CA 91765 QvfESS/0,� TEL: (909) 598-3206 ��LINI �yy FAX: (888) 777-6880 W / *N. 41497 12/31/11 m EXP.AP N : 8713-023-002-004/005; AND 8713-024-001 /002 s9l�ocivil, ��� ROUGH GRADING PLAN v- CPW LIN LIU RCE; 41497 TRACT MAP 53430 REVISIONS NO. DATE DESCRIPTION DETAIL SHEET -2 IN THE CITY OF DIAMOND BAR DRAWING BY: J. LEE CHECK BY: C.C.L. SCALE: DRAWING NUMBER 2016-04-10 REVISED: JOB NO.: LA 06-128 SHT 4 OF 26 TiQA/L DES167N GU/DEL//1/ES.- 15' TRAIL EASEMENT WIDTH: TYPICAL TRAIL CORRIDORS COULD RANGE FROM 12 FEET TO 15 FEET AND TRAIL BED WIDTH IS 10.00 FEET. GRADE: THE RECOMMENDED MAXIMUM SUSTAINED RUNNING SLOPE FOR TRAILS WITH MULTI -USE (EQUESTRIAN, MOUNTAIN BICYCLE & HIKING) SHOULD BE 15% WITH A MAXIMUM SLOPE OF 20% FOR STRETCHES OF TRIAL LESS THE 300-FEET LONG. THE CROSS SLOPE FRO EQUESTRIAN TRAILS SHOULD BE 2%-5%. ` TRAIL FENCE MATERIAL: PVC VERITY OF WHITE, SPLIT RAIL COUNTRY FENCING PER DIAMOND BAR COUNTRY ESTATES ASSOCIATION'S STANDARD. SOUTHERLY C/L NORTHERLY STREET EASEMENT STREET EASEMENT 5.5" 00 29� � 5.5" 29e PAVEMENT SECTION PER SOIL ENGINEER'S RECOMMENDATION (5"AC OVER 10"AB MIN) TYPICAL STREET SECTION (ALAMO STREET) NOT TO SCALE RURAL STYLE STREET SECTION PER CITY STANDARD 15' TRAIL EASEMENT TO COUNTY OF LOS ANGELES 6" 2.5' DEPT. PARK & REC. 2.5'_ 6" W=10.00' W TRAIL w 6" CONCRETE 4" DECOMPOSED HEADWALL x GRANITE PAVEMENT = 6" CONCRETE 00 2%-5% (�HEADWALL CONCRETE TRAM IONA. Z V-DITECH PER PLAN AREA ENGINEERING FILL 5.00' 12" RCP TRANSITION CONCRETE S=2% MIN. AREA V-DITECH ------------- PER PLAN TYPICAL DRAINAGE PIPE INDER MULTI -PURPOSE TRAIL NOT TO SCALE 7x: 1.5' REDWOI HEADER TYP I 5 00' HEADER AVED TRAIL S ECTI NOT TO SCALE ,NC. V-DITC (W=5.00') 2 - 3 4 "X A" DIA. GALVANIZED NAILS. F.G. PER PLAN 1 14 " 4" DECO,POSED GRANITE PAVEMENT FINISH GRADE PER PLAN /�- 2" X 6" REDWOOD HEADER 18" Ole 2"X2"X18" REDWOOD STAKE @ 24" O.C. RED v I - OD HEADER DETAIL NTS fn W 7: 15' TRAIL EASEMENT TO COUNTY OF LOS ANGELES DEPT. PARK & REC. 2.5' 2.5' Li W=10.00' a 5.00' TRAIL = CONC. TERRACE col 2y' ao DRAIN TYPICAL DIRT TRAIL SECTION,---.., NOT TO SCALE 5"X5" PVC POST. F< 8.0' O.C. 2"X6" PVC =d I TRAIL INSTALL PVC FEN ON EVERY POST TRAIL s" 5"X5" PVC POST. T 2"X6" VC I RAIL 6" T CONST. 4" 2 0' DECOMPOSED FINISH GRANITE GRADE 12" SONOTUBE FORMED FOOTING 14 SPLIT RAIL FENCE DETAIL NTS P. A SIS 3" Al DEPARTMENT OF DIRECTIONAL SIGNAL. E WITH PARKS & I][ COMMUNITY ID AND REGULATORY INFO 15 TYPICAL TRAIL SIGN NOT TO SCALE (TO BE INSTALLED BY COUNTY OF LOS ANGELES, DEPT. OF PARK AND RECREATION) NC. V-DITC (W=5.00') NOTES: TRAIL FENCE MATERIAL SHALL BE PER CAP DIAMOND BAR COUNTY ESTATES ASSOCIATION'S STANDARDS AND REQUIREMENTS. EVERY THIRD PVC POST AND ALL PVC POSTS LOCATED AT CHANGES OF DIRECTION OR END POST ARE REQUIRED TO BE FILLED WITH CONCRETE. CAP ALL POSTS AND ENDS OF EXPOSED RAILS. APPROVED BY: LEGAL DESCRIPTION CITY OF DIAMOND BAR PARCELS 10, 11, 12 AND 13 OF PARCEL MAP 1528, IN THE CITY OF DAVID G. LIUJ CITY ENGINEER RCE. PREPARED BY: FOCUS ENGINEERING, INC. CIVIL ENGINEERS LAND SURVEYORS 25 MAUCHLY, SUITE 317 IRVINE, CA 92618 TEL (949) 450-0590 FAX. ((949 • CHIA LN LIU RCE; 41497 REVISIONS NO. —DATE DESCRIPTION DIAMOND BAR, COUNTY OF LOS ANGELES, STATE OF CALIFORNIA, AS PER MAP RECORDED IN BOOK 26, PAGE 19 TO 30 INCLUSIVE OF MAPS, IN THE OFFICE OF THE COUNTY RECORDER OF SAID COUNTY. DEVELOPER: MILLENNIUM -DIAMOND ROAD PARTNERS DIAMOND ROAD COMPANY LLC 3 DATE 2707 S. DIAMOND BAR BLVD, SUITE 202 DIAMOND BAR, CA 91765 ROVES TEL: (909) 598-3206 FAX: (888) 777-6880 � NNa12�97 * AP N : 8713-023-002-004/005; AND 8713-024-001 /002 DP.�9l cIviv �! F ROUGH GRADING PLAN of Cah`\�p�� TRACT MAP 53430 DETAIL SHEET — 3 IN THE CITY OF DIAMOND BAR DRAWING BY: J. LEE CHECK BY: C.C.L. SCALE: DRAWING NUMBER 2016-04-10 REVISED: JOB NO.: LA 06-128 SHT 5 OF 26 JH/5; 2'MIN SETBACK RESTRICTED o AREA 15.00' SOT < Q RAI L z x EASEMENT w J z LOT 142 N o I U � � > -o N� U LOT LOT 36 LOT LOT 37 LOT 39 38 40 EX GRADE I GRADE 969.0 953.0 961.0 1 44n i LOT 35 LOT LOT 32 LOT 33 34 EX GRADE/1 1n' 1023-5 /-"1 9 8.0 983.0 SECTION A -A NOT TO SCALE LOT LOT 29 z LOT 28 H/5; 2'MIN z 27 SETBACK II w w w I6 LOT RUA* L� M v w U 60' 26 / X GRADE w LOT I o Q ¢ I LOT 43 - Q w LOT � W 44 0 45 I N o N LOT 47 w / / 1012.0 �0 cD I I j wI o a 997.0 J0 w �w 11 0 � NI I°° a� / Un o Do 3 0 EX GRADE m 943. I927.0 I /o z 926.0 925.5 J J o *T 5' CONC. V GUTTER > FOR SD OVERFLOW tz T SOIL KEYWAY PER SOIL�,<PROPOSEQ ENGINEER'S STORM DRAIN \DIRECTION / PIPE �05� H/5; 2'MIN SETBACK RUA* uj I � J TRACTNO. 30578 LOT I LOT w W 31 I "B" a zI I o a EX. BLDG SLOPE RET. WALL W DRAINAGE DITCH H/5; 2'MIN S ETBAC K 30' �j } W JZ I uj m TRACTN0 LOT LOT "B" � 3D.S7B 30 w RUA* -'I 0 � Fk 1028.0 w 11 30' �l SECTION B-B NOT TO SCALE H/5; 2'MIN SETBACK �- LOT I � LOT LOT j Q � LOT �, 17 h 0 LOT IW LOT LOT Iw LOT LOT 21 20 1g IO 18 tr o " . Di� 25 IO 24 23 Iuoi L22 � �� m H/5; 2'MIN LOT A . HOA RUA o� Icn l o o SETBACK �� L O �V Q z aI Z LIFT I m 933.0 938.5 ~ 15' STATION 927.0 5 I� X N= _ I 915.0 Q J w � I IZ w o O EX GRADE 3 Z w IF -I i / SEX GRADE O Z > > 15' TRAIL N Iw .� EAS T X w SEX GRADE V-DITCH* j SECTION C - C 0-3 z 00 /,I`r�805 NOT TO SCALE SOIL KEYWAY PER SOIL RESTRICTED ENGINEER'S LOT AREA DIRECTION LOT 3 LOT 4 LOT 5 LOT 2 Ld z Uz LOT 6 � I Q H/5; 2'MIN I LOT 0 SETBACK w LOT 8 1093.0 1096. = x * LOT 9 1071.0 1085.0 o z IN TRACTNO. o U 3D578 z I RUA Io LOT N LOT 110 �7.0 EX GRADE > o o Io 1 .0 F- V) I I I�%- I - 1021 1036.0 SOIL KEYWAY 1� a I (i� 10 .0 PER SOIL 1 ENGINEER'S 1000.0 SECTION D- D DIRECTION EX GRADE NOT TO SCALE Mw� w Z> La -w � U '� �3 �H/5; 2'MIN w SETBACK Un w o a w H/5; 2'MIN TR4CTN0 z LOT 40 s , w LOT 45 LOT A I SETBACK 4785> 0 60 cn I PRIVATE m RUA* o �� 15' TRAIL ESMT HOA o� - W/PVC FENCE. af Q I �� RUA* 2:1 MAX x w NATURAL 927.0 N 927.0 ENGINEERING``' o r GRADE w SLOPE W/ z a 3 0 \ g" 2:1 MAX TERRACE J ENGINEERING w EX GRADE EWER SLOPE W/ J EX GRADE TERRACE / RUA* o SECTION E- E SOIL KEYWAY\ NOT TO SCALE PER SOIL ENGINEER'S 799•5 804 DIRECTION TRACTNO. 47851 RUA* c� EX y z GRA E J z U~_n NATURAL o X 53.0 3 GRADE / EX GRADE SECTION F- F NOT TO SCALE H/5; 2'MIN SETBACK 7)-e4CTN0. LOT 34 4785> � * Q JZ wm NATURAL v~i GRAD wU 3Q EX GRADE TRACTNO. 32482 H/5; 2'MIN SETBACK r j� I J� �z W� 0 of z OQ z - � OX ls� E� W LOT A H/5; 2'MINJ r w PRNATE HOA SETBACK I o z CONST. REL WALL of } z X PER SEPARATE LOT 1 � o w o PERMIT (TYP) * LA TRAIL m LOT 46 LOT I LOT Z z I ILS MT o o0 c _ I 50 � I , �8 J I _ o I J ( - 00.0 �EXGRADE r n 956.0 F- Un �_ w� I_ of CONST. RET. W 943. cx J 00 �= WALL PER SEPARATE 50' STORM DRAI PERMIT (H=6') 0 AND SEWER ESMT �12 o PROP. > > � INSTALL CANYON DRAIN SYSTEM, SD RCP > SIZE AND LOCATION PER SOIL ENGINEER'S PROP. DIRECTION (TYP) 8"SS PROP. SD - PROP. SD OVERFLOW DISCHARGE PIPE PIPE �Li, _ H/5; 2'MIN SETBACK Li = z z Q L $ o J g TRACTNO. RUA* LOT 10 < zo .S1>69 a RUA* ~ N t LOT 23 LOT A o '� - o �L HOA WROUGHI'J z 1010.0 w = EX. BLDG 99 J O m� �IRNOCNE 1-05 ? o z o J z J 71 921.0 H6 ( ) _ = GRp,OE E)C J w MAINT. o 0 / o zACCESS o > SOIL KEYWAY 2.1 MAX �> PER SOIL ENGINEERING INSTALL CANYON DRAIN SYSTEM, ENGINEER'S SLOPE W/ SIZE AND LOCATION PER SOIL ENGINEER'S DIRECTION TERRACE DIRECTION (TYP) SECTION G-G = H/5; 2'MIN SETBACK w RUA* LOT "B" = LOT 6 w w 2:1 MAX ENGINEERING SLOPE W/ - TERRACE a Z ZVCTN0. U } O 0 32482 J � c c w a F�- z c�a F RET. WALL WITH 6' TALL CHAIN LINK FENCE OF RETAINING WALL PER SPPWC STD. 600-3. 2:1 MAXo z g TRACTNO. r ENGINEERING Z J .5'1169 SLOPE W/ Q LOT A � z o o J w TERRACE RUA* - 60' 1� 0 EX. � a ~o ? WROUG 1057.0 � BLDG J J ~ .� m� FENCE 2' � (H=6) 933.0 �. a EX GRADE I LOT 30 Z = o > LOT 19 J J o >• . SECTION H- H INSTALL CANYON DRAIN SYSTEM, NOT TO SCALE SIZE AND LOCATION PER SOIL ENGINEER'S DIRECTION (TYP) H/5; 2'MIN H //5; SETBACK H` 5; RUA* w LOT 3 LZ LOT LOT X w 7,WTA10,, RUA 2 O Q -i o 1093.0 1096.0 110 i t,l o EX GRADE MAX L: 2:1 MAX 942.0 ENGINEERING S ECTI 0 N J -J 938 SLOPE W/ NOT TO SCALE SOIL KEYWAY TERRACE PER SOIL ENGINEER'S DIRECTION INSTALL CANYON DRAIN SYSTEM, SIZE AND LOCATION PER SOIL ENGINEER'S DIRECTION (TYP) LOT 16 SOUTHERLY C/L /WESTERLY ALAMO HEIGHTS DRIVE R/W 60' 30' 30' 12' 4' 14' 14 INSTALL 6-FEET FENCE ON TOP TOP OF RET. WALL PER PLAN. (TYP) Mil s�°Q� 5.00' GIN MIN. w 2% 5.5" 5.5" -2% NORTHERLY /EASTERLY R/W 4 12' 7' 5' MIN. MAX ti LJ 2% SUB -DRAIN SYSTEM PER SOIL ENGINEER'S DIRECTION (TYP) TYPICAL RETAINING WALL SECTION N. T.S. 8 CONST. CONC. DOWNDRAIN WIDTH (W) PER PLAN g DEPTH (D) PER PLAN STORM DRAIN EASEMENT W=10.00 PAD PER w w a IPAD PER 10.00' STORM PLAN ( z o PLAN DRAIN EASEMENT N wl> N 'r zLu U PAD PER .� U CONST CONC PLAN `L' 9�}- PAD PER 12 V- DTICH CONST. CONC. PLAN 2 WIDTH=3.0 V-DTICH DEPTH=1.5' WIDTH (W) PER PLAN DEPTH (D) PER PLAN CONST. 12" RCP CONST. CATCH SECTI0N K-K PRIVATE MAINjjr- AT THE SD. PIPE BY END OF V-DITCH NTSBASIN SEPARATE PE STREET EASEMENT CONST. CATCHCONST. RIVER BASIN PER ROAK RIPRAP SD IMP PLANBY SEPARATE PERM EDGE OF PAVEMENT 18" RCP TO 6'X6' BOX CULVERT / / BY SEPARATE PERMIT PLAN OF SIDEYARD DRAIN N. T.S. - 60.0' 0 F- z O 0 w U CONST. RET.Ld WALL PER Q SEPARATE c,�o,pF PERMIT Q � F �Q TRACT MAP Ex. c �r o 32482 ODE m- SECTION M-M NOT TO SCALE w W MAINT. MANHOLE NACCESS N "WATER QUALITY" PIPE U o p\PE SECTION N-N NOT lTO SCALE DETENTION , BASIN LINE "E" NOTE: RUA* INDICATES RESTRICTED USE AREA. V-DITCH** INDICATES TERRACE DRAIN, DOWN DRAIN OR CONCRETE V-DITCH. SETBACK REQUIREMENTS: H/5 AND 2' MINIMUM. APPROVED BY: LEGAL DESCRIPTION CITY OF DIAMOND BAR PARCELS 10, 11, 12 AND 13 OF PARCEL MAP 1528, IN THE CITY OF DIAMOND BAR, COUNTY OF LOS ANGELES, STATE OF CALIFORNIA, AS PER MAP RECORDED IN BOOK 26, PAGE 19 TO 30 INCLUSIVE OF MAPS, IN THE OFFICE OF THE COUNTY RECORDER OF SAID COUNTY. DEVELOPER: DAVID G. LIU CITY ENGINEER RCE. 44053 DATE MILLENNIUM -DIAMOND ROAD PARTNERS DIAMOND ROAD COMPANY LLC 2707 S. DIAMOND BAR BLVD, SUITE 202 PREPARED BY: FOCUS ENGINEERING, INC. CIVIL ENGINEERS LAND SURVEYORS MAUCSUITE 317 IR IRVINE CA CA 92618 TEL. 949) 450-0590 ( . FAX. (949) 450-059 - - QROFESSlp,4,9� LIN �i� �yc y N41497 m * E1�. 12/31/17 J, 9f CIVh CAS\F� F � OF DIAMOND BAR, CA 91765 TEL: (909) 598-3206 FAX: (888) 777-6880 APN: 8713-023-002-004/005; AND 8713-024-001/002 ROUGH GRADING PLAN LIN LIU RCE; 41497 TRACT MAP 53430 TYPICAL SECTIONS - PART I REVISIONS NO. DATE DESCRIPTION IN THE CITY OF DIAMOND BAR DRAWING BY: J. LEE CHECK BY: C.C.L SCALE: DRAWING NUMBER SHT 6A OF 26 2016-04-10 REVISED: JOB No.: LA 06-128 SOUTHERLY NORTHERLY C• /WESTERLY /LL /EASTERLY EASEMENT 60' (PRIVATE STREET EASEMENT) EASEMENT 30' 30' 12' 4' 14' 14' ' 12' 15' 7' I 47' 5' AMA MIN MAX ry, 0.14'07' w 5.5' 5.5" 0.14'®7' co 0.24'®12 2�° LEVEL- o LINE_ 2- 0.24'®12' PAVEMENT SECTION PER SOIL ENGINEER'S MAXIMURECOMMENDATION (5-AC OVER 10"AB MIN) * GRADE=M % DRIVEWAY TYPICAL STREET SECTION * GRA EUM 5%IVEWAY (ON -SITE STREET - GENERAL) (-T/==35,• R PER SO/L ENG/NEE/,' S F/ELD TEST/NG DATA NOT TO SCALE RURAL STYLE STREET SECTION PER CITY STANDARD FOR REFERENCE ONLY REFER TO STREET IMPROVEMENT PLANS EASTERLY CA WESTERLY Xz EASEMENT 60 (PRIVATE STREET EASEMENT) EASEMENT ww , 30' 30' �w1EXISTING 50 SLOPEI 12' 4' 14' 14' 4' 12' TRACT.432482 ovl EASEMENT PER I 9+ 7' 1 5'- r w MAX cn I w 2' INSTALL WkUGHT IRON FENCE H=6.0 2% 5.5" 5_LEVEL o _ LINE_ _ 5.5m _ 2% 0.24'�12' CONST. •RET- WALL, „T KMETALB'lEA MAX) PAVEMENT SECTION ER SOIL ENGINEER'S RECOMMENDATION (5 AC OVER 10"AB MIN) TYPICAL STR ET SECTI0N (ON -SITE STREET -- GENERAL GUARD RAILING PER CALTW (ALAMO HEIGHTS: 13+98 30-19+00.00) STD. A77A1. (T/-35,• R PER SO/L ENG/NfE-1? S F/ELO TEST/N OATA� NOT TO SCALE RURAL STYLE STREET SECTION PER CITY STANDARD FOR REFERENCE ONLY REFER TO STREET IMPROVEMENT PLANS C/L L EASTERLY GREET WESTERLY Xz EASEMENT 60 (PRIVATE EASEMENT) EASEMENT ww , 30' 30' �wIEXISTING 50 SLOPEI 12' 4' 14' 14' 4' 12' o(l EASEMENT PER TRACTA32482 9+ �-61 I 7' 59 - �- MN4 w MAX a w 2L I~ INSTALL WROUGHT 0.24'C�12' 29� 5.5" 5.5" 2% IRON FENCE H=6.0 LEVEL_ _o ------- LINE - -- METAL BEAM GUARD - - - �' �(/ RAILING PER CALTRAN "vxw STD. A77A1. a �a� / / tia���� PAVEMENT SECTION ER SOIL ENGINEER'S �� INSTALL WROUGHT IRON FENCE H=6.0 * MAXIMUM DRIVEWAY RECOMMENDATION (5 AC OVER 10"AB MIN) GRAD E=15% TYPICAL STIR ET SECTION (ON -SITE STREET - GENERAL) (ALAMO HEIGHTS: 19+00 00-25+00.00 (77==95,• R PER SO/L ENG/NEER S F/ELO TEST/N OATA) NOT TO SCALE RURAL STYLE STREET SECTION PER CITY STANDARD FOR REFERENCE ONLY REFER TO STREET IMPROVEMENT PLANS EASTERLY C/L L WESTERLY EASEMENT 60' (PRIVATE STREET EASEMENT) EASEMENT 30' 30' 12' 4' 14, 14, 4' 12' INSTALL WROUGHT IRON FENCE (H=6.0') Li 0.24' 2% DMI 5.5" LEVEL o LINE 5.5" _ 2% PAVEMENT SECTION PER SOIL ENGINEER'S RECOMMENDATION (5 AC OVER 10"AB MIN) * MAXIMUM DRIVEWAY TYPICAL STREET SECTION GRADE=15% (ON -SITE STREET - GENERAL) (ALAMO HEIGHTS: 25+00 00-37+00.00 (T/-,35,• R PER SO/L ENG/NEER S F/ELO TEST/N DATA NOT TO SCALE RURAL STYLE STREET SECTION PER CITY STANDARD FOR REFERENCE ONLY REFER TO STREET IMPROVEMENT PLANS (H=15' MAX) �2'®2% SOUTHERLY Z C L Z NORTHERLY / EASTERLY J J ' / EAS EASEMENT 60' (PRIVATE S EET EASEMENT) SEMENTY o30' 30' o 12' 4' 14' 14' 4' 12' * MAXIMUM DRIVEWAY a 5.0 13.0 13.0 , a GRADE=15% 5.0 INSTALL WROUGHT Lj IRON FENCE H=6.0 CONC. AC PAVEMENT AC PAVEMENT CONC SEE CONC ETE GUTTER DETAIL 0.24' 2% 5.5" 5.5" 2% ;A _LEVEL o LINE _ _ _ CONST. CONC. Y�\'�•"'`v�"'`�'�.v�.""' a"'`�'�.v�.''�.\'�''�.v�.vN:' CONST. CONC. PAVEMENT WHEN PAVEMENT SECTION ER SOIL ENGINEER'S PAVEMENT WHEN STREET SLOPE MORE RECOMMENDATION ( 'AC OVER 10"AB MIN) STREET SLOPE MORE OR EQUAL 5% (TYP) TYPICAL STREET SECTION OR EQUAL 5% (TYP) (ALAMO HEIGHTS - STA. 37+08.84 TO BLACK WALNUT LN 11 +08.54) (T/=95,• R PER- SO/L ENG/NZZ-R S F/ELO TEST/NG OATA) NOT TO SCALE RURAL STYLE STREET SECTION PER CITY STANDARD FOR REFERENCE ONLY REFER TO STREET IMPROVEMENT PLANS SOUTHERLY z C L L NORTHERLY EASEMENT 60 (PRIVATE S EET EASEMENT) EASEMENT 0 30' 30' o * MAXIMUM 12' 414' 14' 4' 12' DRIVEWAY * MAXIMUM DRIVEWAY GRADE=15% GRADE=15% 5.0' 13.0' 13.0' 5.0' a CONC. AC PAVEMENT AC PAVEMENT CONC 0.24' 0.24' �- 2% 5.5" _LEVEL_ _o _ _ LINE 5 5' _ , 2% r);, r --2% -- -- -2% CONST. CONC. ��\' ��'�� 7�1�R�S CONST. CONC. PAVEMENT WHEN PAVEMENT SECTION ER SOIL EPAVEMENT WHEN STREET SLOPE MORE RECOMMENDATION ( 'AC OVER 10AB MIN) STREET SLOPE MORE OR EQUAL 5% (TYP) TYPICAL STREET SECTION OR EQUAL 5% (TYP) (BLACK WALNUT LN 12+00.00-15+50:00) (T/=95,• R PER SO/L ENG/NEER S F/ELO TEST/NG OATA/) NOT TO SCALE RURAL STYLE STREET SECTION PER CITY STANDARD FOR REFERENCE ONLY REFER TO STREET IMPROVEMENT PLANS WESTERLY CA EASTERLY EASEMENT 60' (PRIVATE STREET EASEMENT) EASEMENT PAVEMENT SECTION ER SOIL ENGINEER'S * MAXIMUM DRIVEWAY RECOMMENDATION (5 AC OVER 10"AB MIN) s MAXIMUM DRIVEWAY GRADE=15% TYPICAL STIR ET SECTION GRADE=15% (LIVE OAK DRIVE 10+00.00-11 +50.00) (T/=35,• R PER SO/L ENGINEERS F/ELO TEST/NG OWA) NOT TO SCALE RURAL STYLE STREET SECTION PER CITY STANDARD FOR REFERENCE ONLY REFER TO STREET IMPROVEMENT PLANS w C L W WESTERLY EASTERLY EASEMENT 60 (PRIVATES EET EASEMENT) EASEMENT 0 30' 30' o * MAXIMUM 12' 4' 14' 14' 4' 12' DRIVEWAY *MAXIMUM DRIVEWAY GRADE=15% 5.0' 13.0' 1 13.0' 5.0' a GRADE=15% CONC. AC PAVEMENT AC PAVEMENT CONC 0.24' �9 0.24' 2% 5 5.5" 5.5 2% LEVEL o LINE _ CONST. CONC. CONST. CONC. PAVEMENT WHEN PAVEMENT SECTION ER SOIL ENGINEER'S PAVEMENT WHEN STREET SLOPE MORE RECOMMENDATION (5 AC OVER 10"AB MIN) STREET SLOPE MORE OR EQUAL 5% (TYP) -TYPICAL STREET SECTION OR EQUAL 5% (TYP) LIVE OAK DRIVE 11 +50.00-22+94.95 (T/=95,• R PER SO/L ENG/NEER S F/ELO TEST/NG OATA� NOT TO SCALE RURAL STYLE STREET SECTION PER CITY STANDARD FOR REFERENCE ONLY REFER TO STREET IMPROVEMENT PLANS WESTERLY EASEMENT 12' 2% ALAMO HEIGHT DRIVE C/L EASTERLY C/L, 60' (PRIVATE STREET EASEMENT) EASEMENT 31.0' ACCESS EASEMENT 30' 30' 30' (CURB TO CURB) 4' 14 14 4' 12' 15' 1 15' 12' 14.5' " 6" CONC. CURB AND GUTTER AND GUTTER w 9.5' 8.0' -2% -2% VAR -2% 2% I1-1 2'rF PAVEMENT SECTION PER SOIL ENGINEER'S RECOMMENDATION (5-AC OVER 10"AB MIN) TYPICAL FIRE DEPT. ACCESS ROAD SECTION 0 4' SEWER FORCE MAIN DRY UTILITIES R PER SO/L ENG/NEEf>� S F/ELD TEST/NG OATA) 8" WATER 5 MIN COVER TYP (GAS, SCE, CABLE do TEL) NOT TO SCALE 42" DEEP I FOR REFERENCE ONLY I REFER TO STREET IMPROVEMENT PLANS 8' SEWER 7.5 MIN COVER OSTORM DRAIN I 9'-15' COVER LINE "B" OR 'C' C/L I FIRE DEPT FIRE DEPARTMENT ACCESS ROAD FIRE DEPT ACCESS 31' ACCESS EASEMENT 15.5' 15.5' 1 EASEMENT 6' 0.5' STORM DRAIN STORM DRAIN 2 I 15.0' 15.0' I 0.07 50'-87' COVER 50'-87' COVER I 6' CONCRETE o i LINE "H" LINE 'A" �'9-f- 6" CONCRETE I CURB &GUTTER �Q I CURB &GUTTER FS ELEV Z;� I ®ST. CL o ALAMO HEIGHT DRIVE TYPICAL UNDERGROUND UTILITY SECTION NOT TO SCALE SOUTHERLY C L NORTHERLY /WESTERLY PROPOSED 066, SITE ACCESS EASTERL ST. ES MT Mn TYPICAL STREET UNDERCUT SECTION N.T.S. APPROVED BY: LEGAL DESCRIPTION CITY OF DIAMOND BAR PARCELS 10, 11, 12 AND 13 OF PARCEL MAP 1528, IN THE CITY OF DIAMOND BAR, COUNTY OF LOS ANGELES, STATE OF CALIFORNIA, AS PER MAP RECORDED IN BOOK' 26, PAGE 19 TO 30 INCLUSIVE OF MAPS, IN THE OFFICE OF THE COUNTY RECORDER OF SAID COUNTY. DEVELOPER: MILLENNIUM -DIAMOND ROAD PARTNERS DIAMOND ROAD COMPANY LLC DAVID G. LIU CITY ENGINEER RCE. .Clpesog. 44053 DATE 2707 S. DIAMOND BAR BLVD, SUITE 202 DIAMOND BAR, CA 91765 PREPARED BY: FOCUS ENGINEERING, INC. TEL: (909) 598-3206 CIVIL ENGINEERS LAND SURVEYORS 10FESS/p,E,� LIN 4 �yc FAX: (888) 777- 6880 25 MAUCHLY, SUITE 317 IRVINE, CA 92618 41497 y' APN: 8713-023-002-004/005; AND 8713-024-001/002 TEL. 949) 450-0590 ((949) E� . * 12/31/17 FAX. 450-0592 s 9l CIV►V ��! ROUGH GRADING PLAN F OF Op1.\E��` CHIA LIN LIU RCE; 41497 REVISIONS NO. DATE I DESCRIPTION TRACT MAP 53430 TYPICAL SECTIONS - PART II IN THE CITY OF DIAMOND BAR DRAWING BY: J. LEE CHECK BY: C.C.L. SCALE: DRAWING NUMBER 2016-04-10 REVISED: JOB NO.: LA 06-128 SHT 6B OF 26 s SEE L iy ,\�.yjU-UFG- '921-34 LIMIT OF CONSTRUCTION NOTES CONSTRUCT l' CONCRETE V-DITCH (60 DEPTH) BEHIND RETAINING WALL PER DETAIL ON SHEET 4. 02 CONSTRUCT 3' WIDE, 1.0' DEPTH CONCRETE V-DITCH PER DETAIL ON SHEET 4; SLOPE PER PLAN. O CONSTRUCT l' CONCRETE BROW DITCH WITHIN 2- TERRACE PER DETAIL ON SHEET 4. CONSTRUCT 5' CONCRETE DITCH WITHIN 6- TERRACE PER DETAIL ON SHEET 4. CONSTRUCT 5' CONCRETE DITCH WITHIN 12' TERRACE PER DETAIL ON SHEET 4. CONSTRUCT 3' CONCRETE DOWN DRAIN PER DETAIL ON SHEET. 4. @ CONSTRUCT CONCRETE GRATING CATCH BASIN PER SPPWC STD. 305-2 BETWEEN DOWN DRAIN AND DISCHARGE PIPE AS SHOWN ON SHEET 4. (W=4.29'. T=6n, V=6'); PER STORM DRAIN IMPROVEMENT PLAN BY SEPARATE PERMIT. 11 INSTALL 1/4 TON GROUTED RIP -RAP PER DETAIL EC-10 ON SHEET 1B. MINIMUM EMBEDMENT OF RIP -RAP SHALL BE 6". @ CONSTRUCT AC/AB PAVEMENT, THICKNESS PER SOIL ENGINEER'S DIRECTION, 3" AC OVER 4- CLASS 11 3/4- AB MINIMUM. 13 CONSTRUCT RETAINING WALL PER SEPARATE PERMIT. @ CONSTRUCT CANYON SUBDRAIN SYSTEM PER PROJECT SOIL ENGINEER'S DIRECTION. 890.00FS RIM 89.00' IIIR:=3# CUES N, ET STRU I ... ....... 890.00FS . . ... ....... R= IIPE-- TRENCH" R �M N, CONSTRUCT PIPE 8900 CLANS;♦♦CULVERT HEADWALLS, 87,20 ♦N, ?OUN )RAiNAGE 540 _,QAR 15-35"E. CONSTRUCT PIPE ENDWALLS AND WARPED 518.70RpP N85* 5"E LINE CULVERT HEADWALLS, WINGWALLS PER CALTRAN ,,4T jYP)N85*15'3 'V' T9 2. 5 5 8 ...N ENDWALLS AND WARPED 0 STANDARD D86B (TYP) 95 WINGWALLS PER CALTRAN 88-1r. 1 5TW NNN ...... ...... STANDARD D86B (TYP) 883.65FG dp S ... ....... ..... 88-OOF-S 883.09TW TR40, NO MS79 I % ...... H=7.05' 926. �01 N 0 A 5 7-1- -8 77 0 N. 882.59;GINSTALL 5HIGH I L zor 140H=5.9 C. .... ...... CHAT LINK FENCE T 0 TIN 883. CONSTRUCT CONCRETE PER SPPWC STD. cly . ...... -"882.59FG ---882, ZeC'..l .59FG A .... ... ....... ....... ---H=5 9 8 CUT-OFF WALL (TYP) 99 PLAN 6GO-3 (TYP.) 9- N7.1 17V C.3 H= _0 CA 06 ... ........ ... ...... .. DEPTH=5.0' w.. ...... 'Cry W=10.0' I 77.60TW co lz <2� 877.80TW All OF . ... ... ..... 877.10 FS 6 0 4 :�i\; I i 01 .­ , i to -.1. - 9' 0 .... .. .... 993.2 n B 7:70TW. 8 877.301W/FL 77.20)FS 7720 F ------ 7.5 8 .... .. .... .. . ... ....... ... .. ..... ...... .. LIMIT OF 50-FT SLOPE EASEMENT F_ 6 . ... ... ....... INSTALL RIP -RAP PER TRACT MAP 32482 (TYP) LIMIT 0 O-FT SLOPE EASEMENT INSTALL RIP -RAP WITH CEMENT GROUT PER TRACT MAP 32482 (TYP) WITH CEMENT GROUT o ....... ---- - ------ IN, J% 01022.5 101--.- 1\1 AV Z INE SOIL -SHEAR K 7 .... ..... 1, Z INE '2'� 11 .v PER SOIL, ENGKIER'S -- INLET 5, VCWRE 5TRUC7ZIRE N .... ... .... ..... v- 0 GRADING WIT DIRECTION (TYP) --. e 0 . �:T ­­ """' "I'll I- - ­ DIREC INZ ET cn 6 lk 1 0 \ , . ­..:.--.__.. I . . ..... ..... ...... pe) 21 SOIL KEY .. .. ..... KCUT LINE., -A C) IT ..BAC Y 7A A 0 CONSTRUCT CONCRETE STAIRCASE, MAxs_ NTS TOTAL 16 STEPS WITH 10.5m A/ 6 171.3 0 105 LANDING, 7.5* RISER. 6 • FL 1-001. zo 6 0 SHEAR KEY' ,M0rN0 PER'SOIL, ENGINEER'S: 8.5 XX: DIRECTION V ;HP:: or f -z uj ZA AX C3 M 0 8 60 of '2. 1038.5 -L;HP 21 IAJ MEM: N -40 MAX X_ Al 7R TNO Jaf7g 0 /\1097.0 YF V9!�_ `�K . (C FL -7 a: 0) 1063.5 FG do 0) FL;HP PF407NO SaS7&q NN N, f 367.811' : P, a co: 't V Z 0 ro 5.5: 1090 ESTR I CTED p G\ ' ` `, F _ 8 - ti 5 ARLA,(TYP) 6 f .10 V,90 1.088. a.0 C;, N/ 11 U. 61 AlUSF Rio Nipk 16 >IM .7 .1096. F.o\ . x ReS r` s=s:49; f ' ; ��, rG' , / cl 5 "43ED Og NN L Rl�r 0. 7 �F / 0 5 S=47.9% 09 7. 0 =44.3 F 1096.CY.. .0000- 0 REAR N-AR5-- S'O'U KEYWAY C) I I N 6.0 . m I :', c '27-MIN- PER. SOIL ENGINEER 056 8 .0 '�> EER#S��­ 6.0. DIRECTION - I 1� _7� 0 6.0 1096.0 11 0 10,9"MAX �TYE)L C 2.1 11 .� z /) 2-1 1095 0 .21 F ; �p ---- 6 N. i 6 -00 MAX e I qN _00, M�X ',6.0 LOT A 19 N , _ / ' o 7 PA,0­ 1095 0 F JOIN EXISITNG 0, 0 F C 000 1 ; / N STREET CENTERLINE, INTERSECTION QD F .0 ZOT .1 F 1086 �lr �A " I \1 Ic STA:10+00.00 BLAZE TRAIL FL; IJP�_ '01'38-E (RAD.) . ..... PX0= 1100 0 on x S51 EXISTING_��, 'TED CA 7WrNO.7af,79 F TO 13L 2.1. By OTHERS z or /0 12%Ml N t 100.01 op 0 -r%A r M� OC 152.89' 12+98 oo.�, C N,,-- JOIN EX- NN 2* 15.5 MAX I 0 1.5\ - 'c 1096.0 coo; 0 C)6 do .......... 'co L_,l Fp N N F `Nm R f O O / �; \ .0000, F 'c 52 r 2*1 1067. N 6 .0p • C •FL;KP F ADINGN J51W L M07NO 5>169 LOT N., S43* 13'1 5"E v -F:'C I W1 C-3 LIM. o 0 P410 fO.9j 19 zor f 4ILLI A 14- C:) 0 7 10940 0 co OF .6 FG lu CA N T_ J. 0 04 l(o C. r4 2 EX. %� I , °` /=E ,z I 6 o b F G Z SEE SHEET B CONSTRUCT 4" RIVER ROCK WITH CEMENT GROUT AND 1/2* THICK FILTER BETWEEN COMPACTED SOIL AND RIVER ROCK RIPRAP PER STREET IMPROVEMENT PLAN BY SEPARATE PERMIT. CONSTRUCT STORM DRAIN SYSTEM, SPILLWAY, INLET / OUTLET STRUCTURES, STORM DRAIN PIPE, ETC PER STORM DRAIN PLAN BY SEPARATE PERMIT. (SEE STORM DRAIN IMPROVEMENT PLANS.) INSTALL 4- WROUGHT IRON FENCE ON TOP OF RETAINING WALL @ CONSTRUCT 60 CONCRETE SPLASH WALL PER DETAIL ON SHEET 4. INSTALL 6' HEIGHT WROUGHT IRON SLIDE GATE, WIDTH PER PLAN. INSTALL 24m X 24'0 GRATE INLET WITH FILTER INSTALL 12m PVC (SCH 80) DRAIN PIPE. 5 1!�Zsr�EEr e ­ D APPROVED BY: CITY OF DIAMOND BAR NOTE: SUBDRAIN CONST., SIZE AND LOCATION PER PROJECT SOIL ENGINEER'S DIRECTION (TYP) DAVI D G. LIU CITY ENGINEER RCE. 44053 DATE PREPARED BY: FOCUS ENGINEERING, INC. CIVIL ENGINEERS LAND SURVEYORS 25 MAUCHLY, SUITE 317 IRVINE, CA 92618 TEL (949) 450-0590 FAX. (9 A CRIA LIN LIU RCE; 41497 REVISIONS NO. DATE DESCRIPTION Q�OFESS/0�l LIN I el Na 41497 D(P. 12/31/17 cIvI\_ OF LEGAL DESCRIPTION PARCELS 10, 11, 12 AND 13 OF PARCEL MAP 1528, IN THE CITY OF DIAMOND BAR, COUNTY OFLOS ANGELES, STATE OF CALIFORNIA, AS PER MAP RECORDED IN BOOK 26, PAGE 19 TO 30 INCLUSIVE OF MAPS, IN THE OFFICE OF THE COUNTY RECORDER OF SAID COUNTY. DEVELOPER: MILLENNIUM -DIAMOND I ROAD PARTNERS DIAMOND ROAD COMPANY LLC 2707 S. DIAMOND BAR BLVD, SUITE 202 DIAMOND BAR, CA 91765 TEL: (909) 598-3206 FAX: (888) 777-6880 APN: 8713-023-002-004/005; AND 8713-024-001/002 ROUGH GRADING PLAN TRACT MAP 53430 GRADING AREA 1 (LOTS 19 29 139 14 AND 15) IN THE CITY OF DIAMOND BAR DRAWING BY: J. LEE CHECK BY: C.C.L SCALE: DRAWING NUMBER 2016-04-10 REVISED: JOB NO.: LA 06-128 SHT 7 OF 26 ti c F DIRECTION', (TYP) CIO CONSTRUCTION NOTES Q2 CONSTRUCT 3' WIDE, 1.0' DEPTH CONCRETE V—DITCH PER DETAIL ON SHEET 4; SLOPE PER PLAN. © CONSTRUCT 5' CONCRETE DITCH WITHIN 6' TERRACE PER DETAIL ON SHEET 4. Q CONSTRUCT 5' CONCRETE DITCH WITHIN 12' TERRACE PER DETAIL ON SHEET 4. ® CONSTRUCT 3' CONCRETE DOWN DRAIN PER DETAIL ON SHEET 4. ©0 CONSTRUCT CONCRETE GRATING CATCH BASIN PER SPPWC STD. 305-2 BETWEEN DOWN DRAIN AND DISCHARGE PIPE AS SHOWN ON SHEET 4, (W=4.29', T=6', V=6'); PER STORM DRAIN IMPROVEMENT PLAN BY SEPARATE PERMIT. Q1 INSTALL 1/4 TON GROUTED RIP —RAP PER DETAIL EC-10 ON SHEET 1B. MINIMUM EMBEDMENT OF RIP —RAP SHALL BE 6". 03 CONSTRUCT RETAINING WALL PER SEPARATE PERMIT. SEE SHEET B SEE SHEET CONSTRUCTION NOTES (CONT.) 18 INSTALL CANYON SUBDRAIN SYSTEM PER PROJECT SOIL ENGINEER'S DIRECTION. ©0 CONSTRUCT 6—FT WROUGHT IRON FENCE © INSTALL SETTLEMENT MONUMENTATION PER SOIL ENGINEER'S DIRECTION. ® CONSTRUCT 4" RIVER ROCK WITH CEMENT GROUT AND 1 /2" THICK FILTER BETWEEN COMPACTED SOIL AND RIVER ROCK RIPRAP PER STREET IMPROVEMENT PLAN BY SEPARATE PERMIT. © CONSTRUCT 4' WIDE RIVER RUN ROCK SWALE PER DETAIL ON SHEET 4 40 CONSTRUCT 6" CONCRETE SPLASH WALL PER DETAIL ON SHEET 4. ,O I APPROVED BY: I LEGAL DESCRIPTION .• NOTE: SUBDRAIN CONST., SIZE AND LOCATION PER PROJECT SOIL ENGINEER'S DIRECTION (TYP) CII Y OF DIAMOND tiAK DAVID G. LIU CITY ENGINEER RCE. 44053 ;.Z& lG DATE PREPARED BY: FOCUS ENGINEERING, INC. ROFESS/p CIVIL ENGINEERS LAND SURVEYORS Q �! `����, LI N 25 MAUCHLY, SUITE 317 W Na 41491 m IRVINE, CA 92618 TEL (949) 450-0590 * EXP.12/31/11 FAX. (949) • CI4TA LIN LIU RCE; 41497 REVISIONS NO. DATE DESCRIPTION PARCELS 10, 11, 12 AND 13 OF PARCEL MAP 1528, IN THE CITY OF DIAMOND BAR, COUNTY OF LOS ANGELES, STATE OF CALIFORNIA, AS PER MAP RECORDED IN BOOK 26, PAGE 19 TO 30 INCLUSIVE OF MAPS, IN THE OFFICE OF THE COUNTY RECORDER OF SAID COUNTY. DEVELOPER: MILLENNIUM -DIAMOND ROAD PARTNERS DIAMOND ROAD COMPANY LLC 2707 S. DIAMOND BAR BLVD, SUITE 202 DIAMOND BAR, CA 91765 TEL: (909) 598-3206 FAX: (888) 777-6880 AP N : 8713-023-002-004/005; AND 8713-024-001 /002 ROUGH 11 GRADING PLAN TRACT MAP 53430 GRADING AREA 3 (LOTS 59 69 7 & PORTION OF LOT A) IN THE CITY OF DIAMOND BAR DRAWING BY: J. LEE CHECK BY: C.C.L SCALE: DRAWING NUMBER 2016-04-10 REVISED: JOB NO.: LA 06-128 SHT 9 OF 26 A SEE SHEET 9 G 9150, :' — — �• T 9:12.41 RG CONSTRUCTION NOTES ��--rr '' 915.3FGI\ l.� 2Q CONSTRUCT 3' WIDE, 1.0' DEPTH CONCRETE V—DITCH PER DETAIL ON SHEET 4; SLOPE PER PLAN. 3Q CONSTRUCT 3' WIDE, 1.5' DEPTH CONCRETE V—DITCH PER DETAIL ON SHEET 4; SLOPE PER PLAN. © CONSTRUCT 5' CONCRETE DITCH WITHIN 6' TERRACE PER DETAIL ON SHEET 4. 70 CONSTRUCT 5' CONCRETE DITCH WITHIN 12' TERRACE PER DETAIL ON SHEET 4. ® CONSTRUCT 3' CONCRETE DOWN DRAIN PER DETAIL ON SHEET 4. 10 CONSTRUCT CONCRETE GRATING CATCH BASIN PER SPPWC STD. 305-2 BETWEEN DOWN DRAIN AND DISCHARGE PIPE AS SHOWN ON SHEET 4. (W=4.29', T=60, V=6'); PER STORM DRAIN IMPROVEMENT PLAN BY SEPARATE PERMIT. 1© CONSTRUCT AC/AB PAVEMENT, THICKNESS PER SOIL ENGINEER'S DIRECTION, 3' AC OVER 5" CLASS II 3/4" AB MINIMUM. 1© INSTALL 12, WIDE 4- DECOMPOSED GRANITE PAVEMENT. 18 INSTALL CANYON SUBDRAIN SYSTEM PER PROJECT SOIL ENGINEER'S DIRECTION ®0 CONSTRUCT 6—FT WROUGHT IRON FENCE SEE SHEET CONSTRUCTION NOTES (CONT.) ©3 INSTALL SETTLEMENT MONUMENTATION PER SOIL ENGINEER'S DIRECTION. ® CONSTRUCT 4' RIVER ROCK WITH CEMENT GROUT AND 1/2" THICK FILTER BETWEEN COMPACTED SOIL AND RIVER ROCK RIPRAP PER STREET IMPROVEMENT PLAN BY SEPARATE PERMIT. ©5 CONSTRUCT STORM DRAIN SYSTEM, SPILLWAY, INLET / OUTLET STRUCTURES, STORM DRAIN PIPE, ETC PER STORM DRAIN PLAN BY SEPARATE PERMIT- ® CONSTRUCT CONCRETE PAVEMENT (THICKNESS PER SOIL ENGINEER'S DIRECTION, 6" MINIMUM PER STORM DRAIN PLAN BY SEPARATE PERMIT. ) ® INSTALL SINGLE SWING GATE PER SPPWC STANDARD NO. 600-3. © CONSTRUCT 4' WIDE RIVER RUN ROCK SWALE PER DETAIL ON SHEET 4 ®0 CONSTRUCT 6" CONCRETE SPLASH WALL PER DETAIL ON SHEET 4. ®0 INSTALL WROUGHT IRON SLIDE GATE, WIDTH PER PLAN. (I] - EX- BUILDING I PROTECT —IN —PLACE 3O� `, LOT » ':;; • .. iL I •13 r Q � �y. LOT >O - I I, Ij .. I` t I I EXISTING WATER` MAIN _ __ ._...._ _ _....,� EXrSTING SEWER "MAIN"'"" - f I rrl •I: f�, m )7?4C7N0..4 fK9: ry __ '' r,• ' : 1.1 m ¢ ' j `jf i'" ?....__...._... t �`' f• it e Fx ,;7,.���1 l i i ! i , • ,P,�r, � J� X- SEWER E. 4 FORCE MNN �, I t C )€ + EXISTING WATER MAIN f £ ' EXISTING SEWER .................... MAIN - i cc i'`:•� Z i i O I ' 3 m molrNo ,f>rs9 ✓ I!} LOr f3 { �1 W 0 s k !I i � £ t , 12' k 1 -18 04 , ti TR907N0.5>169 LOT NOTE: e4 1 `S ` _ ER SUBDRAIN CONST. SIZE t -•_— FX. 4 SEW— I PROJECT SOIL ENGINEER'SNDIR LOCATION (TYP) APPROVED CITY OF DIAMOND BAR DAVID G. LIU CITY ENGINEER PREPARED BY: FOCUS ENGINEERING, INC. CIVIL ENGINEERS LAND SURVEYORS 25 MAUCHLY, SUITE 317 IRVINE, CA 92618 TEL (949) 450-0590 FAX. (949) 4 CHIA LIN LIU RCE; 41497 REVISIONS N0. DATE DESCRIPTION RCE. 44053 DATE ��,,OIEIS,o ���, L I N w Na 41497 rn * DIP.12/31/17 `r9j CIVIL. ��� �' OF cpL�F LEGAL DESCRIPTION PARCELS 10, 1.1, 12 AND 13 OF PARCEL MAP 1528, IN THE CITY OF DIAMOND BAR, COUNTY OF LOS ANGELES, STATE OF CALIFORNIA, AS PER MAP RECORDED IN BOOK 26, PAGE 19 TO 30 INCLUSIVE OF MAPS, IN THE OFFICE OF THE COUNTY RECORDER OF SAID COUNTY. DEVELOPER: MILLENNIUM -DIAMOND ROAD PARTNERS DIAMOND ROAD COMPANY LLC 2707 S. DIAMOND BAR BLVD, SUITE 202 DIAMOND BAR, CA 91765 TEL: (909) 598-3206 FAX: (888) 777-6880 AP N : 8713-023-002-004/005; AND 8713-024-001 /002 ROUGH GRADING PLAN TRACT MAP 53430 GRADING AREA 4 (LOTS 89 99 10 & PORTION OF LOT A) IN THE CITY OF DIAMOND BAR DRAWING BY: J. LEE I CHECK BY: C.C.L. I SCALE: DRAWING NUMBER 2016-04-10 1 REVISED: I JOB NO.: LA 06-128I SHT 10 OF 26 c_-999q SEE SHEET 10 �F h 1 MAA ol tldc. st 'V C I CONSTRUCTION NOTES SEE5HZZ7-7- 12 � 5EFER FOR OUTLETRSTRUCTURE DETAIL O1 CONSTRUCT 1' CONCRETE V-DITCH (6' DEPTH) BEHIND WALL PER DETAIL ON SHEET 4. 02 CONSTRUCT 3' WIDE, 1.0' DEPTH CONCRETE V-DITCH PER DETAIL ON SHEET 4; SLOPE PER PLAN. O3 CONSTRUCT 3' WIDE, 1.5' DEPTH CONCRETE V-DITCH PER DETAIL ON SHEET 4; SLOPE PER PLAN. ® CONSTRUCT 5' WIDE, 1.5' DEPTH CONCRETE V-DITCH PER DETAIL ON SHEET 4, SLOPE PER PLAN. 50 CONSTRUCT 1' CONCRETE DITCH PER DETAIL ON SHEET 4. © CONSTRUCT 5' CONCRETE DITCH WITHIN 6' TERRACE PER DETAIL ON SHEET 4. Q7 CONSTRUCT 5' CONCRETE DITCH WITHIN 12' TERRACE PER DETAIL ON SHEET 4. ® CONSTRUCT 3' CONCRETE DOWN DRAIN PER DETAIL ON SHEET 4. 10 CONSTRUCT CONCRETE GRATING CATCH BASIN PER SPPWC STD. 305-2 BETWEEN DOWN DRAIN AND DISCHARGE PIPE AS SHOWN ON SHEET 4, (W=4.29', T=60, V=6'); PER STORM DRAIN IMPROVEMENT PLAN BY SEPARATE PERMIT. Q CONSTRUCT AC/AB PAVEMENT, THICKNESS PER SOIL ENGINEER'S DIRECTION, 3" AC OVER 4" CLASS II 3/4" AB MINIMUM. 13 CONSTRUCT RETAINING WALL PER SEPARATE PERMIT. (LOCATED THE TRAIL ENTRY FROM HORIZON LANE) 14 INSTALL WHITE PVC SPLIT RAIL FENCE PER DIAMOND BAR COUNTRY ESTATES ASSOCIATION STANDARDS AND DETAIL ON SHEET 5. 15 COUNTY OF LOS ANGELES, DEPARTMENT OF PARKS AND RECREATION WILL INSTALL TRAIL SIGN PER COUNTY OF LOS ANGELES, DEPARTMENT OF PARKS & RECREATION STANDARDS AS SHOWN ON SHEET 5. SCALE: 1'=40' 20 0 20 40 60 CONSTRUCTION NOTES (CONT.) 16 CONSTRUCT 12" RCP WITH 6" CONCRETE HEADWALL ON BOTH SIDE UNDER MULTI -PURPOSE TRAIL PER DETAIL ON 'SHEET 5. Q INSTALL 12' WIDE 4" DECOMPOSED GRANITE PAVEMENT. INSTALL CANYON SUBDRAIN SYSTEM PER PROJECT SOIL ENGINEER'S DIRECTION. ©p CONSTRUCT 6-FT WROUGHT IRON FENCE © CONSTRUCT CONCRETE STAIRWAY WITH HANDRAILS ON BOTH SIDE PER SPPWC STANDARD 640-3 BY SEPARATE PERMIT (W=6.0', L=4.0', T=11', R=6.0', C=8.0', S=14' MAX AND MAXIMUM 7.0' RISERS BETWEEN LANDINGS). © INSTALL SETTLEMENT MONUMENTATION PER SOIL ENGINEER'S DIRECTION. ® CONSTRUCT 4' RIVER ROCK WITH CEMENT GROUT AND 1/2' THICK FILTER BETWEEN COMPACTED SOIL AND RIVER ROCK RIPRAP PER STREET IMPROVEMENT PLAN BY SEPARATE PERMIT. © CONSTRUCT STORM DRAIN SYSTEM, SPILLWAY, INLET / OUTLET STRUCTURES, STORM DRAIN PIPE, ETC PER STORM DRAIN PLAN BY SEPARATE PERMIT. ® CONSTRUCT CONCRETE PAVEMENT (THICKNESS PER SOIL ENGINEER'S DIRECTION, 6" MINIMUM) PER STORM DRAIN PLAN BY SEPARATE PERMIT ® INSTALL DOUBLE SWING GATE PER SPPWC STANDARD NO. 600-3. ® CONSTRUCT 6' CONCRETE SPLASH WALL PER DETAIL ON SHEET 4. 41 INSTALL STEEL PIPE BOLLARD PER DETAIL SHOWN ON SHEET 11. 5® CONSTRUCT CONCRETE RETAINING WALL PER SPPWC STANDARD PLAN 611-3. RL4CI,-kr4ZZIVN(1TG �. 1_ i T_ 's Lr T N 2:1 DSCAPE 8 o, SLOE AREA 1 LIMIT OF C PAV(EMENT aal 9FS0 U oQ z gW u FS N i 1 41 1 9/0 V) A W N PANEL (14"X4 rn KOHLI ) P42AR oui z ao �,RDV Off COgul 205 34. N tip" o ° P —i g15 4 1 91 CONST. CONC. PVMT PER 915. ST. PLAN 5— 3 LANDSCAPE AREA 9�� 1 ✓/ ol Klc�' `cl �910.0 TW 910.0 FS Op 41 F .2 Q� ` P RzJ J ' o ,i (TYP) 910. CFI S 00 6"0 SCHEDULE 40 STEEL �1oy le ty�0 FILLED WITH CONCRETE. SSlPIPE (FOR REFERENCED ONLY) 1 "=20' ��J CONCR ETE CAP WITH ALKYD WITH ALKYD ENAMEL PRIME SEE LIFT ( STATION PLAN SHEET 2 OF 2 FOR DETAIL) COAT AND SAFETY YELLOW FINISH COAT. w J o� I CORE DRILL 12"0 MIN. V) DIA. HOLE IN SLAB w wQ x * CONC. FOOTING LOT 12 a 9-8 3 z ���- r , • PAVING OR CONC. SLAB PAD=1000 N 15.00' NP�QE GY N III ' �� '. MAX MULTI -USE z TRAIL ESM'T 1 ENGINEERING COMPACTED 2 y .. , FILL (TYP) —= - SECT/ON L -L o w NG ,oE _ f1 4 , NOT TO SCALE P/PE BOLLAf�D DETA/L w J N.T.S. J J 3 �p'I H NOTE: 15.00 af eENGINEERING SUBDRAIN CONST., SIZE AND LOCATION PER J MULTI -USE Z zFILL COMPACTED PROJECT SOIL ENGINEER'S DIRECTION (TYP) TRAIL ESM'T (TYP) 15.00' MULTI -USE Z 2% NGRp,OF- CUIDIF TABLE TRAIL ESM'T 0 CURVE RADIUS ARC LENGTH DELTA ANGLE TANGENT 29� ENGINEERING COMPACTED Cl 48.00' 4.20' 05'00'43" 2.10' 2 FILL (TYP) SECT/ON RPM NOT TO SCALE G APPROVED BCITY OF DIAMOND BAR s DAVID G. LIU CITY ENGINEER RCE. 44053 DATE PREPARED BY: FOCUS ENGINEERING, INC. CIVIL ENGINEERS LAND SURVEYORS QROFESS/p,�,� 25 MAUCHLY, SUITE 317 IRVINE, CA 92618 Na 41497 TEL �949� 450-0590 DP.12/31/17 FAX. 94945 - OF CA`\E CHIA LIN LIU RCE; 41497 REVISIONS N07FDATE DESCRIPTION LEGAL DESCRIPTION PARCELS 10, 11, 12 AND 13 OF PARCEL MAP 1528, IN THE CITY OF DIAMOND BAR, COUNTY OF LOS ANGELES, STATE OF CALIFORNIA, AS PER MAP RECORDED IN BOOK 26, PAGE 19 TO 30 INCLUSIVE OF MAPS, IN THE OFFICE OF THE COUNTY RECORDER OF SAID COUNTY. DEVELOPER: MILLENNIUM —DIAMOND ROAD PARTNERS DIAMOND ROAD COMPANY LLC 2707 S. DIAMOND BAR BLVD, SUITE 202 DIAMOND BAR, CA 91765 TEL: (909) 598-3206 FAX: (888) 777-6880 APN: 8713-023-002-004/005; LAND 8713-024-001/002 ROUGH GRADING PLAN TRACT' MAP 53430 GRADING AREA 5 (LOTS 119 12 & PORTION OF LOT A) IN THE CITY � OF DIAMOND BAR DRAWING BY: J. LEE CHECK BY: C.C.L. I SCALE: I DRAWING NUMBER 2016-04-10 1 REVISED: I JOB NO.: LA 06-1281 SHT 11 OF 26 267 60.bo' 30' 30' SEE SHEET 1 � 01-1W A -186-8-6 D .922 62 FL 7Lt�"� �62 -05 8 (1 LL 9 1595. C) 15. 631 00 C.9:i 66' FFG FG -b . OD FL F FG Ln C AR - - : - I :36+8j7.70RCBI8.3 4 ml LOT 913.94EH 2J: (n -9 F ').o C)l 91 c 5.33 FL --,GB ,Lo RA P340-.915 0 v I 1.26RG 6 j., F .61 MAX LOT 12 o :65% F HP oo PA,0­ l0k20 C of Ii L4 F;; FG. 1 I.�l Hl. 6 046 C' 9TN99 DE 0+00-00 BLACK WALNL 37+76.66 ALAMO. HEIGHTS DRI E W'• 4 .01 H 5.0977 50.oOTFwG0; 75 rl V,' Ft2L 13 94 8, 9 18 7 II ol w oln r 9 6.511EP '2 32 FL;HP H=2.0' B 997.OTW ro T;a V IT5. 0 FL 9 0 V Gil, A: 4 b reo). - .... ..... . ly) o as 9117.63� -6F SEEi pf �Rc � , I ..l. I - - - - : q oa . i N. . . a. a WE U3 B99 Ify _IHI czwr w %I % � CONSTRUCTION NOTES CONSTRUCT l' CONCRETE V-DITCH (D=6w) BEHIND RETAINING WALL PER DETAIL ON SHEET 4. ol IF: ss' ER �94.lw .4 CONSTRUCT 3' WIDE, 1.0' DEPTH CONCRETE V-DITCH PER DETAIL ON SHEET 4; SLOPE •ol -71 VDI N 10 TV/ 928 7C G PER PLAN. F 0 8 §7' 3:11' UA 99roTw N S=*25-b-m CONSTRUCT- 3' WIDE, 1.5 DEPTH CONCRETE V-DITCH PER DETAIL ON SHEET 4; SLOPE 1 94 2 4_0A♦ ie)im TINGFXIS ♦335F60.0 r LIMIT OF GRADI 40 rL �� fi V I I ` 50 �-1 I - Ti F 6,0 ...... .... .1yQ. - 4. O N _FG LOT 44ff. 19* J2 4� RD 88.5 Q A r N, FL I cm+ VD, 7A C. 4. Vo� V 14-3ti 0 tK 87-5-ti 4. lb,V. 9. BA Flu A%P v3 y rA of Fr 9 (3 Ack ce TYPICAL SECTION T-T 58_2,�l . � I __j :! X < LJ NOT TO SCALE lz _-V8./l/lcw 'o P�o DF OSED GRA 0 0 9rn X U) m /X PER PLAN F. X -4- Eo 7 L GRAID APPROVED BY: 8.5 0 z V) x 1.1 z 0 3 NATURAL f _GQ()C WALL PER PLAN. CONSTRUCT 5' WIDE, 1.5' DEPTH CONCRETE V-DITCH PER SHEET 4. SLOPE PER PLAN. CONSTRUCT 1- WIDE CONCRETE DITCH PER DETAIL ON SHEET 4. CONSTRUCT 5' CONCRETE DITCH WITHIN 6- TERRACE PER DETAIL ON SHEET 4. CONSTRUCT 3' CONCRETE DOWN DRAIN PER DETAIL ON SHEET 4. (olo CONSTRUCT CONCRETE GRATING CATCHING BASIN PER SPPWC STANDARD 304-2 BETWEEN DOWN DRAIN AND DISCHARGE V-DITCH AS SHOWN ON SHEET 4 (W=4.29. T=6n, V=6') PER STORM DRAIN IMPROVEMENT PLAN BY SEPARATE PERMIT. CONSTRUCT RETAINING WALL PER SEPARATE PERMIT. INSTALL WHITE PVC SPLIT FENCE PER DIAMOND BAR COUNTRY ESTATES ASSOCIATION STANDARDS. 15 INSTALL TRAIL SIGN PER COUNTY OF LOS ANGELES, DEPARTMENT OF PARKS & RECREATION STANDARDS AS SHOWN ON SHEET 5. 16 CONSTRUCT 12- RCP WITH 6- CONCRETE HEADWALL ON BOTH SIDES UNDER MULTI -PURPOSE TRAIL PER DETAIL ON SHEET 5. INSTALL 12' WIDE 4* DECOMPOSED GRANITE PAVEMENT. @ INSTALL CANYON SUBDRAIN SYSTEM PER PROJECT SOIL ENGINEER'S DIRECTION. CONSTRUCT 6-Fr WROUGHT IRON FENCE @ CONSTRUCT CONCRETE STAIRWAY WITH� HANDRAILS ON BOTH SIDE PER SPPWC STANDARD 640-3 BY SEPARATE PERMIT (W=6.0', L=6.0". T=1.0'. R=6.0'. C=8.0'. S=14' MAX AND MAXIMUM 7.0' RISERS BETWEEN LANDINGS). @ INSTALL SETTLEMENT MONUMENTATION PER SOIL ENGINEER'S DIRECTION. @ CONSTRUCT STORM DRAIN SYSTEM, SPILLWAY, INLET / OUTLET STRUCTURES, STORM DRAIN PIPE, ETC PER STORM DRAIN PLAN BY SEPARATE PERMIT. @ CONSTRUCT CONCRETE PAVEMENT THICKNESS PER SOIL ENGINEER'S DIRECTION, 6- MINIMUM). INSTALL DOUBLE SWING GATE PER SPPWC STANDARD NO. 600-3. 40 CONSTRUCT-6- CONCRETE SPLASH WALL PER DETAIL ON SHEET 4. G @ CONSTRUCT CONCRETE RETAINING WALL PER SPPWC STANDARD PLAN 611-3. CONC. DOWN DRAIV d q t=+l ;: ;.- ��(W=3.00') CITY 0 F M OND BAR V 0 TYPICAL SECTION U-U L6T\ a 'Z476M`7 NOT TO SCALE 1.1k, 44 F:L .s Q/ , T: 'el um DAVID G. LIU CITY ENGINEER RCE. 44053 27 u (n, S 342 PREPARED BY: FOCUS ENGINEERING, INC. CIVIL ENGINEERS LAND SURVEYORS 7 CUT HD PF PIPE FLUSH 9" MIN. TO CONC. DOWN DRAIN 25 MAUCHLY, SUITE 317 TEL (949) 450-0590 ro o IRVINE, CA 92618 X PROP. 120 HDPE PIPE FAX. (949) 450- LOT SEE Sh'EET 43 B wwoo• CHIA LIN LIU RCE; 41497 @CONC. DOWN DRAIN DETAIL 1A NOT TO SCALE REVISIONS N 0. DATE DESCRIPTION I E DATE Q�LOFESS/p, Na 414917 D(P 12 A 7 sl CIVIC. OF CA NOTE: SUBDRAIN CONST., SIZE AND LOCATION PER PROJECT SOIL ENGINEER'S DIRECTION (TYP) LEGAL DESCRIPTION PARCELS 10, 11, 12 AND 13 OF PARCEL MAP 1528, IN THE CITY OF DIAMOND BAR, COUNTY OF LOS ANGELES, STATE OF CALIFORNIA, AS PER MAP RECORDED IN BOOK 26, PAGE 19 TO 30 INCLUSIVE OF MAPS, IN THE OFFICE OF THE COUNTY RECORDER OF SAID COUNTY. DEVELOPER: MILLENNIUM -DIAMOND ROAD PARTNERS DIAMOND ROAD COMPANY LLC 2707 S. DIAMOND BAR BLVD, SUITE 202 DIAMOND BAR, CA 91765 TEL: (909) 598-3206 FAX: (888) 777-6880 APN: 8713-023-002-004/005; AND 8713-024-001/002 ROUGH GRADING PLAN TRACT MAP 53430 GRADING AREA 6 (LOTS 48, "B" & PORTION OF LOT A) IN THE CITY OF DIAMOND BAR DRAWING BY: J. LEE TCHECK BY: C.C.L. _rsCALE: I DRAWING NUMBER 2016-04-10 1 REVISED: I JOB NO.: LA 06-1281 SHT 12 OF 26 5ZTkSHZT7- 14 .96---n - v� Br�JE SEE SHEET 72 r6 APPROVED BCITY OF DIAMOND BAR DAVID G. LIU CONSTRUCTION NOTES 40 CONSTRUCT 5' WIDE, 1.5' DEPTH CONCRETE V—DITCH PER DETAIL ON SHEET 4; SLOPE PER PLAN. © CONSTRUCT 5' CONCRETE DITCH WITHIN 6' TERRACE PER DETAIL ON SHEET 4. 14 INSTALL WHITE PVC SPLIT FENCE PER DIAMOND BAR COUNTRY ESTATES ASSOCIATION STANDARDS. 16 CONSTRUCT 12" RCP WITH 6" CONCRETE HEADWALL ON BOTH SIDE UNDER MULTI —PURPOSE TRAIL PER DETAIL ON SHEET 5 1© INSTALL 12' WIDE 4" DECOMPOSED GRANITE PAVEMENT. INSTALL CANYON SUBDRAIN SYSTEM PER PROJECT SOIL ENGINEER'S DIRECTION. © INSTALL SETTLEMENT MONUMENTATION PER SOIL ENGINEER'S DIRECTION. 40 CONSTRUCT 6" CONCRETE SPLASH WALL PER DETAIL ON SHEET 4. CITY ENGINEER RCE. 44053 DATE PREPARED BY: FOCUS ENGINEERING, INC. CIVIL ENGINEERS LAND SURVEYORS QROFESS/p,�,� 25 MAUCHLY, SUITE 317 y�LIN IRVINE, CA 92618 Na 414! TEL (949) 450-0590 * DP.12/31/17 FAX. (949) 450— - CIVIL OF ckis"l- CHIA L N LIU RCE; 41497 REVISIONS NO. DATE DESCRIPTION 8.00' 8" SEWER PER TYP I CAL SECTION V-V NOT TO SCALE LOT 45 LEGAL DESCRIPTION PARCELS 10, 11, 12 AND 13 OF, PARCEL MAP 1528, IN THE CITY OF DIAMOND BAR, COUNTY OF LOS ANGELES, STATE OF CALIFORNIA, AS PER MAP RECORDED IN BOOK 26, PAGE 19 TO 30 INCLUSIVE OF MAPS, IN THE OFFICE OF THE COUNTY RECORDER OF SAID COUNTY. DEVELOPER: MILLENNIUM -DIAMOND ROAD PARTNERS DIAMOND ROAD COMPANY LLC 2707 S. DIAMOND BAR BLVD, SUITE 202 DIAMOND BAR, CA 91765 TEL (909) 598-3206 FAX: (888) 777-6880 AP N : 8713-023-002-004/005; AND 8713-024-001 /002 ROUGH GRADING PLAN TRACT MAP 53430 GRADING AREA 7 (LOTS 41, 429 439 7B" & PORTION OF LOT A IN THE CITY OF DIAMOND BAR DRAWING BY: J. LEE I CHECK BY: C.C.L. I SCALE: DRAWING NUMBER 2016-04-10 1 REVISED: I JOB NO.: LA 06-1281 SHT 13 OF 26 SEE- SHEET �5 A r VJI EC SHEET 4r�,� B� SEE .1, , 5 C F 9. 4 oA o 3I1 np-A948%r f I l t i /,/ t, 1 L 7i I .. q2n.j bi >0sl IG LOT -ro 0 401 co r\ fl , \ . \ I \ ` , I G )2?40 - I I %. " . , , , . I - Q11 I 7NO. gs I: . PN . ... ..... Q:s Qo v cl c� S. 923.9, 1.26RG, 0. lb - OP 4>1 4\18 x 0 io kp Val qr)ll CONSTRUCTION NOTES SEE SHEE-T ,3 (D CONSTRUCT 5- WIDE, 1.5' DEPTH CONCRETE V—DITCH PER DETAIL ON SHEET 4; SLOPE' LOT 44 8.00' LOT 45 PER PLAN. DIRAINIA EMENT LOT 46 OR 47 �L EMElff PZ 10.00' PAD ELEVATION CONSTRUCT 5' CONCRETE DITCH WITHIN 6' TERRACE PER DETAIL ON SHEET 4. PER PLAN 10.00' :31 STORM DRAIN PER PLAN _1 ® PRQ2QaEI2_G_RAQE �_l EASEMENT SEWER z LOT 45 I /' PER PLAW_ CONSTRUCT 3' CONCRETE DOWN DRAIN PER DETAIL ON SHEET 4. EASEMENT 04 0 INSTALL WHITE PVC SPLIT FENCE PER DIAMOND BAR COUNTRY ESTATES ASSOCIATION -7L b STANDARDS.0i ti \ CONSTRUCT 12" RCP WITH 6" CONCRETE HEADWALL ON BOTH SIDE UNDER MULTI —PURPOSE TRAIL PER DETAIL ON SHEET 5 @ INSTALL 12' WIDE 4* DECOMPOSED GRANITE PAVEMENT. @ INSTALL CANYON SUBDRAIN SYSTEM PER PROJECT SOIL ENGINEER'S DIRECTION. @ CONSTRUCT CONCRETE STAIRWAY WITH HANDRAILS ON BOTH SIDE* PER SPPWC STANDARD 640-3 BY SEPARATE PERMIT (W=6.0', L=4.0', T=110. R=6.0', C=8.0', S=14' MAX AND MAXIMUM 7.0' RISERS BETWEEN LANDINGS). @ INSTALL SETTLEMENT MONUMENTATION PER SOIL ENGINEER'S DIRECTION. CONSTRUCT STORM DRAIN SYSTEM, SPILLWAY, INLET / OUTLET STRUCTURES, STORM DRAIN PIPE, ETC PER STORM DRAIN PLAN BY SEPARATE PERMIT. @ CONSTRUCT 6" CONCRETE SPLASH WALL PER DETAIL ON SHEET 4 1 8" SEWER PER .4 .. . J. SEWER IMPROVEMENT PLAN (TYP CONC. DOWN DRAIN (W=5'.00') TYPICAL SECTION V—V NOT TO SCAL-El@ LOT 47 P�OPOS D GRADF PER PLAN 10.00' 10.00, STORM DRAIN SEWER EASEMENT EASEMENT PAD ELEVATION STORM DRAIN PIPE PER PLAN PER SD IMP. PLAN (TYP) TYPICAL SECTION W—W NOT TO SCALE LOT 48 15' TRAIL EASEMENT COUNTY OF LOS ANGELES DEPT. PARK & REC. I- W= 10.00' SCALE: 1 *=40' 1 20 r) Of) 40 60 8" SEWER PER STORM DRAIN PIPE SEWER IMPROVEMENT PER SID 4" DECOMPOSED PAD ELEVATION I �M E�P. � PLAN (TYP) GRANITE PAVEMENT PLAN PLAN ifTVDN NOTE: SUBDRAIN CONST., SIZE AND LOCATION PER TYPICAL SECTION X—X PROJECT SOIL ENGINEER'S DIRECTION (TYP) NOT TO SCALE 5' REDWOOD HEADER �' jo ' 2 M . �.b t C' ra Y B -J APPROVED BY: CITY OF DIAMOND BAR DAVI D G. LI U CITY ENGINEER RCE. 4405_3 PREPARED BY: FOCUS ENGINEERING, INC. CIVIL ENGINEERS LAND SURVEYORS 25 MAUCHLY, SUITE 317 IRVINE, CA 92618 TEL. (949) 450-0590 FAX. (949) LIU RCE; 41497 REVISIONS NO. DATE DESCRIPTION DATE QROFESS/p,�,� ��a LIN I Na 41497 D(P. 12/31/17 CIVIL OF CAh LEGAL DESCRIPTION PARCELS 10, 11, 12 AND 13 OFPARCEL MAP 1528, IN THE CITY OF DIAMOND BAR, COUNTY OF LOS ANGELES, STATE OF CALIFORNIA, AS PER MAP RECORDED IN BOOK 26, PACE 19 TO 30 INCLUSIVE OF MAPS, IN THE OFFICE OF THE COUNTY RECORDER OF SAID COUNTY. DEVELOPER: MILLENNIUM —DIAMOND ROAD PARTNERS DIAMOND ROAD COMPANY LLC 2707 S. DIAMOND BAR BLVD SUITE 202 DIAMOND BAR, CA 91765 TEL: (909) 598-3206 —FAX: (888) 777-6880 APN: 8713-023-002-004/005; AND 8713-024-001/002 ROUGH GRADING PLAN TRACT MAP 53430 GRADING AREA 8 (LOTS 389 399 409 449 459 'T & PORTION OF LOT A) IN THE CITY OF DIAMOND BAR DRAWING BY: J. LEE CHECK BY: C.C.L. SCALE: DRAWING NUMBER 2016-04-10 REVISED- JOB NO.: LA 06-128 SHT 14 OF 26 qO CONSTRUCT 6-FT WROUGHT IRON FENCE © CONSTRUCT CONCRETE STAIRWAY WITH HANDRAILS ON BOTH SIDE PER SPPWC STANDARD 640- L=6.0', T=1.0', R=6.0', C=8.0', S=14' MAX AND MAXIMUM 7.0' RAISERS BETWEEN LANDINGS).3 BY SEPARATE PERMIT (W=6.0', ®3 INSTALL SETTLEMENT MONUMENTATION PER SOIL ENGINEER'S DIRECTION. NOTE: SUBDRAIN CONST., SIZE AND LOCATION PER PROJECT SOIL ENGINEER'S DIRECTION (TYP) ------------ SCALE: 1 "=40' 20 0 20 40 60 16; Kam, c� ..N� 919 0 tt 5U F F N88' 10 33 E 292.97 1 o•SF L 1 '. 186.86 2 91.6. F 915.0 FG X. C F FG >t ; O 915.33 Lu --r: M pIF �TRI FG u� 36+8 BIB Co-4�I a _ LOT.`,25 9 3.94EP 3 ZQ PAD 915.G7 911.26RG I o'^ N ST. ,CENTERLINE ° INT. '7+76.66 o 1 3. Z o' ALAMO HEIGHTS =10+00.00 BLACK: WALNUT DRIV : LN : = u I , 3.7 F O - F G • 5.0, FG C 0 .5 C7G'` 382 - J9l CIVI1. ��r ROUGH GRADING PLAN CHIA LIN LIU RCE; 41497 TRACT M REVISIONS AP 53430 No DATE DESCRIPTION GRADING AREA 9 (LOTS 25, 26, 36, 37 38 46 AND 4 7 ) IN THE CITY OF DIAMOND BAR DRAWING BY: J. LEE CHECK BY: C.C.L. SCALE: DRAWING NUMBER 2016-04-10 REVISED: JOB NO.: LA 06-128 SHT 15 OF 26