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HomeMy WebLinkAboutTract Map 21820 Lot 17 Precise Grading CITY OF TEMECULA EROSION AND SEDIMENT CONTROL NOTES (3. 1. Information on this plan is for erosion and sediment controls only. See the Grading Plan for CITY OF TEMECULA additional requirements. A combination of erosion and sediment controls must be in place for all PUBLIC WORKS DEPARTMENT soil-disturbing activities by October 1 of each year and,at a minimum,maintained throughout the rainy season(October 1-April 30). GRADING NOTES 2. Discharger Contact Information: For Mass,Rough,and Precise Grading Pians EARTHWORK of AFF G4LTTING• (OWI`16R) till �/ 1 (Responsible Person (Firm) kA H 1. All grading and related activities shall conform to the 1998 California Building Code, ti 0,09) 693- 704-2 Appendix Chapter 33, as amended by Ordinance 99-23, and if applicable, at to the State (24-Hour Phone Number) Water Resources Control Board NPDES General Permit for Construction Activities. T r • r • ■ r r r r r r ■ r ■ ■ r r r r r r ■ r ��� C/•Y� pROJE:CT 3. The Discharger is responsible for the implementation and maintenance of all erosion and F ILL � g p p 2. Building. a . r . . r . r ■ ■ , ■ ■ r ■ r ■ r r ■ ■ �O C. �� sediment control work,and shall insure that work is in accordance with this approved plan. If soil g•pad and drainage swale slopes shall be a minimum of 1%. Drainage 5wales SITS r � disturbance meets or exceeds one acre,a Waste Discharge Identification Number(WDID)issued shall be a minimum of 0.2'deep and be constructed a minimum of 2'away from the top by the State Water Resources Control Board(SWRCB)shall be provided to the City. In addition, of graded slopes. Finish grade shall slope away from all exterior walls at not lass than NOTE: EARTHW all erosion and sediment controls outlined in the site's Stormwater Pollution Prevention Plan %•"per foot far a minimum of 3 feet. AREA -rQ gr G�1`D6D Q, 7,9 AC EARTHWORK QUANTITIES ARE ESTIMATES ONLY AND DO NOT INCLUDE SHRINKAGE (Sv1IPPP)shall also be implemented,or as directed by the city's NPpEs inspector, r ..., 3. Maximum cut and fill slopes shall be 2:1. �Ay NKAGE OR 7_ 5 SUBSIDENCE. THEY ARE ESSENTIALLY FOR PERMIT 4. The Discharger shall be available with equipment and workers for emergency work at all times 1 during the rain season. Necessary materials shall be stockpiled at convenient locations on site 4. Provide,as applicable conprete brow ditches designed to convey 100-year storm flows, V PURPOSES ONLY AND NOT INTENDED FOR BIDDING. g Y • to facilitate rapid construction and maintenance of temporary erosion and sediment t;ontrols. or provide graded be ' s, along the top of all graded slopes over 3'in vertical height or Temporary erosion and sediment controls shall consist of, but not be limited to, constructing that are adjacent to tided areas to direct surface runoff away from the top of slopes, far�li_t�as and taking~measurer nec sary to prevent,reduce,control,and abate damage due to IT IS THE SOLE RESPONSIBILITY OF THE water, mud, and debris resulting fra to and sediment transport/deposition to public and 5. All grading shall bee one under the supervision of a Registered P g stered Civil Engineer,Soil • iD P M private property from construction activities of this project. • Engineer,or Engineering Geologist who shall certify that all fills have been properly CONTRACTOR TO DETERMINE THE EXACT QUANTITIES placed and who shall submit a final compaction report for P y (V SOLA - FOR THE PURPOSES OF PAYMENT AND CONTRACT ll e limited to areas that will receive immediate grading. A combination of erosion p p o all fills over 1'deep. DOCUMENTS. THE UNDERSIGNED ENGINEER ACCEPTS 5. Clearing she b and sediment controls shall be implemented in areas that have been cleared. These measures 6. A Registered Civil Engineer �NC/y� CA1-�F©RN/R �D r I � � / � may include, but shall not be limited to: seeding, mulching, blankets, mats, desilting basins, 9 g eer shall submit to the City of Temecula's Public Works .S �ZZ NO RESPONSIBILITY FOR DISCREPANCIES IN THE ��� 4• •graded berms,sand and/or gravel bags,fiber rolls,filter cloth,silt fences,check dams,chevrons, Department a written certification of completion of rough grading in accordance with the EARTHWORK QUANTITIES. drainage inlet protection,etc. Care shall be exercised to preserve vegetation beyond the grading approved grading pian prior to issuance of the building permit. Certification shall be to line,grade,elevation and location of cut/fill slopes. limits. � 6. All erosion and sediment controls shall be implemented and maintained(i.e.inspectedi restored, 7. Final compactfori report will be required for all fills greater than one foot. �. repaired, or modified)on a continual basis throughout the site during construction activities to protect downgrade perimeters, adjacent properties, environmentally sensitive areas, 8. All grading shall be done in conformance with recommendations of the preliminary soils 19. The Department of Public Warks' approval of this Ian does not relieve the Discharger from watercourses, curbs, gutters, streets, drainage inlets, and other private and public stormwater investigation}by UHVAti r rnA•k!t EN _dated 11-21- 0 3 Two sets of the p pp p 9 conveyance systems. final compaction report shall bl, submitted to the Public Works Department which shall VICINITY � his/her responsibilities for the correction of errors and omissions discovered during construction. Upon request,the required plan revisions shall be promptly submitted to the Department of Public p include foundation design recommendations and certification that grading has been Works for approval. 7. All removable erosion controls, such as blankets and mats, shown on this Ian,and outlined in the SWPPP(if applicable),shall be in place at the end of each working day throughout the rainy done in conformance with the recommendations of the preliminary soils report. season. Similar control devices shall be implemented during the dry season, as applicable,to 20. The Department of Public Works reserves the right to make changes or modifications to this plan mitigate dust from wind erosion. 9. The contractor shall notify the Public Works Department at least 48 hours in advance g requesting finish lot grade and drainage inspection. This inspection must be approved as deemed necessary. • 9 P 8. During the non-rainy season,sediment controls,such as curb and gutter chevrons,drainage inl t ' prior to building permit clearance for each lot. N protection, sediment tracking controls, etc., shall be implemented. In addition, any nOh- 0 stormwater discharges associated with construction-related activities must be prevented from ., Public Works Department Phone: (909)694-6411 reaching streetsi curbs,gutters, and all other stormwater conveyance systems. Routine street 0 cleaning shall be performed by dry methods only (i.e, street sweeping). If street washing is 10. Cut and fill slopes shall be protected with a combination of erosion and sediment 2,04 required, appropriate Best Management Practices(BMP s)shall be installed to directly address controls to protect the slope from erosion and instability during the grading phase, • ofeNt• ' the washwater,or as directed by the city's NPDES inspector. M ,• •- 12 9. All construction entrances shall be stabilized (i.e. gravel, shaker plates, etc.) year-round to Post-grading activi s shall include, but not be limited to, installing, where applicable, •• ••• 'G •�•-• prevent mud,sediment,and dust from being tracked out of the site by vehicular traffic. 9roundcover, trees, shrubs, or a combination thereof in accordance with City codes p prior to the approval of final inspection. Slopes over 4' in vertical height shall have • rXir• COAC. --r- 10. All silt and debris shall be removed from check dams,silt fences,desilting basins,purbs,gutters, permanent irrigation systems with backflow prevention devices per the U.P.C. • .�. , ••. '' �/�� D 1 T C N streets. brow ditches terrace drains and other private and public stormwater conveyance systems prior to and after each rainstorm. Drainage inlets shall be protected to prevent sediment 12. F 1 material shall not be placed on existing ground until the ground has been cleared of .. eA �/ S�q� and debris from entering downstrlam stormwater conveyance systems. vjeeds, debris, topsoil, and other deleterious material, If steep sloping terrain occurs 5ECTIOAl "" •��, _ upon which fill is to be placed,the terrain must be cleared,keyed,and benched into firm 11. The Discharger shall conduct operations in such a manner that stormwater runoff will be natural soil for full Support. A Registered Civil Engineer, Soil Engineer,or Engineering RRGRAD�' N�!T. 'SLOPE N'T' i. contained on site through desilting basins,earth berms,etc.,or filtered through a series of BMPs, Geologist shall approve placement of fill: such as sand/gravel bags,silt fence,fiber rolls,filter cloth,etc.,to the stormdrain system. �. DRAIN /r/ PROJECrlonr rO NAr. OR0VNc� 13. Temporary,drainage shall be provided until permanent drainage structures are installed. INTERCEPTOR .• 12. The Discharger shall be responsible and shall take necessary precautions to prevent public Protective measures shall be • trespass onto areas where impounded water, due to erosion and sediment control devices, implemented to protect adjoining and downstream creates a hazardous condition. Conformance with the requirements of this Ian shall in no way properties from silt deposition and ponding water during grading o eratlon3,, T YP• BL'RA�I q p y P 9 9 9 9 P - DETAIL • (5ED�•7, relieve the Discharger from his responsibilities to this site and protecting adjacent properties. ' F 14. Dust shall be controlled by methods approved by the City Engineer. 13. Temporary or permanent desilting basins are to be constructed, if appiicable, prior to grading •• • •'' •' •• '�•' operations and shall have a means for dewatering to prevent overfilling betw,den storm events. 15. Stability calculations with a factor-of-safety of at least one and five-tenths(1.5)shall be C13NSTRUCT -F WIDE x - 3� ��� 1 , •••• ' D ' submitted to the Public Works Department b a Registered Civil DEEP INTERCEPTOR DRAIN 3' T ovN-�-�' W/ `•�K •:G�•�r y 14. Stormwater runoff from graded areas shall not be carried over graded slopes. Temporary eros4h Engineer,or Engineering Geologist for cut and fill by over 30'in vertical height Soil RrINFpRCED CONCRETE U r• • • ' NA�,�.. and sediment controls are required on all manufactured slopes until 7096 vegetative cover as v W/ WELDED WIRE M SING N • 0 1� ,•• • • been established or as determined b the city's NPDES inspector. Slopes must have erosion and ES`, Y Y p p 18. A Registered Civil Engineer or Licensed Land Surveyor shall submit certification of r1 sediment controls in place prior to October 1. Slopes constructed after October 1st shalkhave Y ,• i erosion and sediment controls as the construction of slope progresses. All graded stapes 3'or building pad elevations. Where specific elevations are required, the elevation (with �.•�'' • '" -�' 1� _ - more in height shall include,but not be limited to seeding,mulching,soil stabilizers soil binders f espect to mean sea level) shall be given. If an elevation with respect to adjacent • -- dt 6E'NCII�/•/ MAX..'. �� � vegetation,or have erosion control blankets, such as straw, coconut, straw/coconut composite, ground surface is required, the actual distance above the adjacent ground shall be polypropylene mats,or other acceptable materials installed. Jute netting shall not be used as a given• J/ � =t, � stand-alone erosion control. In addition,sediment controls shall be placed at the toe df the slope 11--- •• •0V,E•R�'XCAVArED rOPSo%L n and in inuements of 10 feet measured vertically on the face of slope for grades of 3:1 Land 17. EROSION AND SEDIMENT CONTROL: The permittee shall abideb Ii � -� •. °t<<,o .. . ... realer. � requirementsut n i y all of the � �,� VNSWrABLE co�4VW11M g ` outlined ed n the City'Of Temecula.Erosion and Sediment Control standard /�y 13R0W D1T H•.DETAII:. notes throughout the duration of the project, including adherence to the State NPDES �� 15. Peved streets, sidewalks, and other improvements shall be maintained free of loose soil, Permit for Construction Activities,if applicable. C�iS�P.4CT,L"La construction-related materials, debris, and waste at all times. Material storage and waste /y •i? handling areas shall be established. Appropriate secondary containment shall be implemented 18. Existing drainage courses shall continue to function during the rain 2 4 A.G S N I Cr tl /�. /N• �ffRTH�f�RM for materials having a potential for spills or leaks. Concrete wash-oull pits shall be constructed,if 9 Y season. No - N applicable,and shall be located away from streets and sidewalk right=ofrways. , obstruction of flood plains or natural water courses shall be permitted. 16. Emergency accesses shall be maintained at all times (including access to neighboring � 19. All property corners shall be clearly delineated in the field prior to cor►lmencement of ___,. "�`�''""'�' '�'"�"""�"'�"�---~ any construction/grading. TYID/Cp L /N c. P x . . Tvo ^ � i / Q � properties).�..••--- � y NA T �' � 20. The ermit��/r�'; . FIZ.Z. OVER �,� ��, r 17. No obstruction or disturbance, other than filtering BMPs, shall occur to any existing public, ori permittee must obtain an encroachment permit prior to any work within a'public private, stormwater conveyance system during the rainy Season, unless adequate right-of-way. NO SCALE temporary/permanent drainage facilities have been approved and installed to calrry surface water �r 11 ­ -- cin or natural water course. 21. Approval of,these plans by-the City or its agents does not relieve the applicant and his Setback vcries E A P T 14 13 E R� DETAIL 1 a. �~Flit areas�8st practical stormdr sediment controls implemented while being brou t u to rade engineer from the responsibility for the correction f t4 ne hall have erosion and p g gh p g � y o errors or omissions discovered to eliminate,reduce,and control erosion and the siltation of downstream facilities and adjacent during construction. Upon request, the appropriate plan revisions shall be promptly areas during construction phases. These measures may include, but are not limited to, submitted to the City Engineer for review and approval. Fabric 2" X 2- wood stoke temporary downdrains,either in the form of pipes or paved ditches with protected outfall areas; • (se: "°leg 5) earth berms at the top of slopes to address surface runoff;erosion control blankets;-seeding or 22. The issuance of this permit by the City of Temecula does not imply or provide ' p mulching;confined ponding areas to desill•00noff;temporary check dams and.fiber rolls to filter clearances from state or federal agencies regulating the pr9vision of states or-feda ar Toa or nope - - T � - 5,opg 1 o runoff;sand/gravel bag prot9ction around inlets;and appropriate grading too direct drainage away '• r.� e 4, �, .Wa!104red'sp4cfe'3 ddts or water gOality re ttatlons. The Contractor/Owner/Deyelo 1 M from the ed a of the top o slo es shall be constructed and maintained on those fill areas where per See detail $ '� o r" - g - p fs rdsponsible fox obtaia.in We a O earthwork operations arofiot in progress. �F 9 pt Copriate clearances from thele agencies prior to any l L S/ /'��] 40 sife dlsturbaues qf'cj ling.. •�. -�\ • Oc STA \ \ \ \\ \ \ \ \\ \ \ \ \ 7 0 � r - ---�\ N 30\ 6o 1160" V 10 5-7- t1v \_N \ SECTION �rQ \ \ \ \ \ \ \ \ \ �/ .� F-G •amw F, F.L (� moo �-' \ \ \ \ \ \ \ \G1 L-r ' �a \ r o� 0L)EEEIV FO N6 6 F.G 5w5' 2" x2r r Sift fence wood stoke \ \ \ \fabric 40 • \ ��� pq._%1l:% 0 \N ��NC� MARK a 12 7. 49 M. �► \ \ \ _ • ,, v � +�� D . 6dS � ,5 PRdPC�e r'Y G ,tea+s� \\ \ \ \ \ \ \ \ ` \ \ \ to 1 �• � �k eq 4- • . N QL q D TAIL- Q �\ \ \ \` > > \ \ -- /(�-•+-• J�2 6 --w �_t •, I E t_ V 1� \ \ \ ` \ , . t 6 7 r r r LEG \ •U �v129SO END � \ •"moo , .... �� �� � 2, ,� . �\ �. a _ \ a r"�.� \ \ \ \ \ \ \ • \ •• 1 \ \ \., r r • \ t • r \ � (' • • PROPERTY LINES � \ \ \ � � � c \ \� � -! r � � • ..�. `r...,`„. --'EXISTING CONTOURS \� \ ��i\ \ V D . • � o R U DAYLIGHT LINES = \ \ � � \ 1 1` \ � `� \ \ ` v 101 M . ...�........~..r. r--Low LI �► \ \ \ \ \ \ 1 � � \ \ v o � �., - NES F.L. \ \ \ \ p ,� _ �, �w) �• �. '� \ ` � ^. • 2:1 SLOPES (OR LESS) - \ \\ \ ' \ \ =`� o w �o w� e o Prepared for: Prepared w N � • �- A • 6, R- 1 VE o b . SHEETING NATURAL DRAINAGE \. \ ` \ \ \ \ 1 \ ' \� G.C. JC-FF 4 CAROL Ede' NG GUNVANT THAKKAR, RE, '� 1 1 - AN \ \ X0.1 30 9/9 Atex/ 45712 Classic a _ � c� w c, NA H v1/A y Way VELOCITY REDUCER 00, c Temecula CA 92592 hj 9zs9 , PAP. PAD ELEVATION �. \ \ �. � � - I • �.. H.P. HIGH POINT \ \ \ \ \ \ \ p • 01 1\ \\ \ \ \ \ \ \ \ \ \ o�� AL - ` • I ,• L.P. LOW POINT �j _ , .� . • , r \ \ \ �� \ \ \ \ +; 2 s�nro was o �����oor -2' �-- - ' • • ' I oiw Phone. 909/676-7541 G.B. \ \\ \ \ \ So r, }4IGN (T, P• gGRApE BREAK � � � � . F.F. FI�11S�i FLOOR ` \ \ \ \ \ \ � `y\ �C• �5... �. - _ / • • S• FINISH I itiRFAC� \ \ \\ \ \ \ \ \ \ \ \ READ 'HIS NOTICE \ \F-6 PINIS" \ ` \� �.� z 7 s• to NO riff . TH0 MUMO�IHIS PORW BY M CM 00 TEMECULA \ \ �\ \ ��D r� �llee ,OePr. Vi5#1 CL45 A CCe5S S A H O tYlfrL _ �� c UNDERGROUND SERVICE ALERT \ 0C�B NOT N�IPl,Y 0R pNaVI09 MY ClFJ1AANCEs FROM \\\ \ \ --\ \ _ .-.. ... _ SHAGL �`3C IN PLAC5 P914A 7D DEG/Vr�9Y STAT$OR FEDERAL WILOLIFE AGENCIES AEGUtATING THE \ \ \ \ \ \ 1 \ \ \ \ \ \ \ \ \ \ \ ��' �, /Y D.Sw `�S"•/ /D T to W -- , Qom" CALL: TOLL FREEPRIWISIONSCWTHECAI„1FOANAORNATIONAL ENOMGEAEo \� \ ` \ \ \\ L• QQ YC R To 1310 tip. Rtl ea &us- /��� Si�EO1�9AC1; M �•� N - 1-800/422-4'133 � � . YOU ARE'RE"818LE FOR OBTAINING THE APPROPRIATE ?I�.Co CLEARANCES FROM THESE AGENCIES PRIOR TO ANY SITE � 3ri4 • TWO WORKING DAYS BEFORE YOU DIG 01STURSANCE OR GRADIN0. BENCH . �Do� � o 3 z G;P\. MARK SEAL ,, - DATA BY DATE APPR SCALE CONSTRUCTION RECORD DESIGNED BY: Gr DRAWN BY: G r CHECKED! BY: 6 r r � CITY ®f TEMECULA DEPARTMENT OF PUBLIC WOO K 3 DRAWING NO. _ RECOMMENDED BY. DATE. �' Z �� r�oRizoN rA c, • CONTRACTOR: . PLANS PREPARED UNDER T r / 8 �r ) LOT / 7 Tfe21820 0 HE SUPERVISION t�Fr ACCEPTED BY: DATE: 4Z, d'�' • � See Above AS NOTED RONALD J. PAR SHEET _ cv®w1'�' Q-��C"v�/ KS GRADING P INSPECTOR: .• .• DEPUTY DIR9CTOR OF PUBLIC WORKS PRECIS E DATE COMPLETED: VE'RTfCAL. GUNVANT THAKKAR DATE: 1/- 4 6-(4 � ?//3/ k414 MEA 9009D 1 OF 1 R.C.E. NO. 52856 EXPIRES 12/31,1,0 R.C.E. NO, 19744 EXPIRES 9/30/015 . �,, A P N • 919-440 -- 005 NA