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PM102018-0002PM-10 NOTES 1. MATERIAL AND EQUIPMENT STORAGE YARD TO BE FENCED. 2. EQUIPMENT MAINTENANCE AND CALIBRATION SHOULD BE CONDUCTED IN ACCORDANCE WITH MANUFACTURER AND REGULATORY REQUIREMENTS. 3. PRE -CONSTRUCTION SITE WATERING SHALL BE DONE BY AGRI-TYPE WATER SYSTEM PRIOR TO BEGINNING SITE DISTURBANCE AS NECESSARY TO PREVENT VISIBLE EMISSIONS OF DUST FROM CROSSING THE PROJECT BOUNDARY LINE AND FROM EXTENDING MORE THAN 100 FEET BEYOND THE ACTIVE CUT AREA; THE MOISTURE CONTENT OF FILL/IMPORT MATERIAL SHALL BE MAINTAINED AT LEAST 70% OF THE OPTIMUM SOIL MOISTURE CONTENT. REQUIRED DEPTH OF WATER PENETRATION TO BE DETERMINED BY GRADING CONTRACTOR'S FIELD SUPERINTENDENT AND SOILS ENGINEER. 4. SITE WATERING SHALL BE DONE BY WATER TRUCKS UNTIL COMPLETION OF CONSTRUCTION. THIS WATERING SHALL BE DONE AS NECESSARY TO PREVENT VISIBLE EMISSIONS OF DUST FROM CROSSING THE PROJECT BOUNDARY LINE AND FROM EXTENDING MORE THAN 100 FEET BEYOND THE ACTIVE CUT AREA; THE MOISTURE CONTENT OF FILL/IMPORT MATERIAL SHALL BE MAINTAINED AT LEAST 70% OF THE OPTIMUM SOIL MOISTURE CONTENT, AND AS DIRECTED BY CITY ENGINEER. 5. SITE WATERING SHALL BE UTILIZED ON DISTURBED AREAS AFTER CONSTRUCTION IS COMPLETED. THIS WATERING IS TO BE DONE AS NECESSARY TO PREVENT VISIBLE EMISSIONS OF DUST FROM CROSSING THE PROJECT BOUNDARY LINE AND FROM EXTENDING MORE THAN 100 FEET BEYOND THE ACTIVE CUT AREA; THE MOISTURE CONTENT OF FILL/IMPORT MATERIAL SHALL BE MAINTAINED AT LEAST 70% OF THE OPTIMUM SOIL MOISTURE CONTENT. SITE WATERING MAY BE TERMINATED UPON SOIL STABILIZATION (MEASURES DISCUSSED IN NOTE 12, PERMANENT AUTOMATIC IRRIGATION OR COMPLETED IMPROVEMENTS) 6. SITE WATERING SHALL BE DONE BY TRUCKS ON ROADWAYS USED BY CONSTRUCTION TRAFFIC. THIS WATERING IS TO BE DONE AS NECESSARY TO PREVENT VISIBLE EMISSIONS OF DUST FROM CROSSING THE PROJECT BOUNDARY LINE AND FROM EXTENDING MORE THAN 100 FEET BEYOND THE ACTIVE CUT AREA; THE MOISTURE CONTENT OF FILL/IMPORT/EXPORT MATERIAL SHALL BE MAINTAINED AT LEAST 70% OF THE OPTIMUM SOIL MOISTURE CONTENT. 7. A SPEED LIMIT OF 15 MILES PER HOUR SHALL BE ENFORCED ON ALL DIRT ROADS FOR ALL CONSTRUCTION VEHICLES. 8. WHEN LOCAL WINDS EXCEED 25 MPH AND DURING 1ST AND 2ND STAGE SMOG ALERTS, THE DIRECTIONS THROUGHOUT THIS PLAN RELATED TO WATERING, SOIL STABILIZATION AND COVERING OF HAUL VEHICLES SHOULD BE ADHERED TO INCLUDING THE FOLLOWING ACTIONS RELATING TO THESE SPECIFIC CATEGORIES: EARTH MOVING - GRADING ACTIVITY SHALL BE SUSPENDED. WATER SHALL BE APPLIED TO SOILS NOT MORE THAN 15 MINUTES PRIOR TO MOVING SUCH SOILS. DISTURBED SURFACE AREA - SEE CALCULATION FOR "FREQUENCY" UNDER "PROJECT LEVEL INFORMATION" THIS SHEET. UNPAVED ROADS - APPLY WATER TWICE PER HOUR DURING ACTIVE OPERATION OR AS NEEDED. OPEN STORAGE PILES - APPLY WATER TWICE PER HOUR OR INSTALL TEMPORARY COVERINGS. 9. SOIL STOCKPILE AREAS SHALL BE WATERED AND COMPACTED TO ALLOW A CRUST TO FORM UNTIL SOIL STABILIZER IS APPLIED, AND WATERED AS NECESSARY; HOWEVER, NO STOCKPILE IS APPROVED. CITY ENGINEER APPROVAL REQUIRED PRIOR TO STOCKPILING. 10. TEMPORARY 6CHAIN LINK FENCE WITH WINDSCREEN: STEEL POSTS TO BE 24" DIAMETER @ 8' O.C. WITH 1W DIAMETER STEEL TOP RAILS. POSTS TO BE EMBEDDED 3' INTO NATIVE SOIL. WINDSCREEN TO BE PLACED ON THE NORTH OR WEST SIDE OF FENCE. ATTACH WINDSCREEN TO FENCE WITH METAL GROMMETS @ 2' O.C. ON TOP AND BOTTOM. PLACE GROMMETS @ 2' O.C. VERTICALLY AT EVERY POST. 11. NO SOIL STABILIZATION/DUST MITIGATION MEASURES ARE REQUIRED ON AREAS LEFT IN THEIR NATURAL CONDITION, UNLESS DISTURBED BY CONSTRUCTION TRAFFIC OR IF VISIBLE DUST OCCURS. 12. SOIL STABILIZATION/DUST MITIGATION MEASURES SHALL BEGIN PRIOR TO THE GRADING OF EACH AREA. WATERING MEASURES SHALL BE USED FOR PERIODS UP TO 4 DAYS BEFORE AND AFTER GRADING TERMINATES UNLESS OTHERWISE APPROVED BY THE CITY ENGINEER. AFTER 4 DAYS OF NO GRADING ACTIVITY OR BUILDING ACTIVITY, SURFACE SOIL STABILIZATION SHALL BE APPLIED. ALL SOILS STABILIZATION MATERIALS SHALL CONTAIN TAN COLORANT FOR CONFIRMATION OF APPLICATION. PRODUCT OPTIONS ARE AS FOLLOWS: 1. SOIL-SEMENT (ACRYLIC POLYMER EMULSION) 180 GALLONS OF CONCENTRATE PER ACRE. DILUTE 9 PARTS WATER TO 1 PART CONCENTRATE (6 MONTH COATING.) NO FOOT OR VEHICULAR TRAFFIC ALLOWED. 2. ENVIROTAC II (ACRYLIC POLYMER EMULSION) 150 GALLONS OF CONCENTRATE PER ACRE. DILUTE TO 10 PARTS WATER TO 1 PART CONCENTRATE (6 MONTH COATING.) NO FOOT OR VEHICULAR TRAFFIC ALLOWED. 3. FIBER -SORB (NATURAL WOOD FIBER BY-PRODUCT) 1,Y2' LAYER, APPROXIMATELY 100 TONS PER ACRE (6 MONTH COATING.) FOOT TRAFFIC AND MINIMAL VEHICULAR TRAFFIC ALLOWED. 4. ENVIROTAC II (ACRYLIC POLYMER EMULSION) 180 GALLONS OF CONCENTRATE PER ACRE. DILUTE TO 8 PARTS WATER TO 1 PART CONCENTRATE (1 YEAR COATING). NO FOOT OR VEHICULAR TRAFFIC ALLOWED. 5. COMPOSITE OF 300 GALLONS OF ENVIROTAC II (CONCENTRATED), 600 POUNDS OF PAPER FIBER MULCH AND 8 PARTS WATER. INGREDIENTS TO BE MIXED AND APPLIED WITH A HYDRO SEED SPRAY RIG. THE AMOUNTS LISTED ARE PER ACRE. MATERIAL CERTIFICATES ARE TO BE PROVIDED BY APPLICATOR UPON COMPLETION OF STABILIZATION. 13. THE PROJECT OWNER WILL DESIGNATE AN INDIVIDUAL RESPONSIBLE FOR DUST CONTROL. THIS INDIVIDUAL IS AVAILABLE 24 HOURS A DAY 7 DAYS A WEEK. THIS INDIVIDUAL WILL BE AVAILABLE 7 DAYS A WEEK, 24 HOURS PER DAY, FOR ANY ISSUES OR PROBLEMS PERTAINING TO FUGITIVE DUST MITIGATION. 14. THE PROJECT OWNER TO PROVIDE AND INSTALL SITE SIGNS, VISIBLE TO THE PUBLIC ON EACH PUBLIC ROADWAY LISTING THE FOLLOWING: PROJECT NAME, TRACT/PARCEL, GENERAL CONTRACTOR'S NAME, ENVIRONMENTAL PERSON'S 24/7 PHONE NUMBER, CITY NAME AND PUBLIC WORKS DEPARTMENT PHONE NUMBER, SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT COMPLAINT LINE (1-800-CUT-SMOG) AND THE FOLLOWING TEXT: IF YOU SEE DUST COMING FROM THIS PROJECT PLEASE CALL: (RESPONSIBLE PERSON'S NUMBER) IF YOU DO NOT GET A RESPONSE WITHIN 1 HOUR, PLEASE CALL: (PUBLIC WORKS DEPARTMENT PHONE NUMBER) REPORT THE PERMIT OR PROJECT NUMBER AND THE PHONE NUMBER ABOVE OR CALL AQMD AT: AIR QUALITY MANAGEMENT DISTRICT (AQMD'S PHONE NUMBER.) 15. EXPORT ACTIVITIES SHALL FOLLOW THE DIRECTIONS THROUGHOUT THIS PLAN RELATED TO WATERING, SOIL STABILIZATION, TRACK OUT AND COVERING OF HAUL VEHICLES. THE FOLLOWING ARE ADDITIONAL ACTIONS RELATING TO EXPORT: -EXPORT SOILS WILL BE PREMOISTENED AT THE PROJECT SITE AND ADDITIONALLY WHEN SOIL IS PLACED IN TRUCKS (BEFORE COVERING.) MOISTURE CONTENT SHALL BE 6%-8%. -TRUCKS TO BE USED FOR EXPORT OF SOIL WILL BE BOTTOM DUMP OR END DUMP (NUMBER OF TRUCKS TO BE DETERMINED BY CONTRACTOR.) -STREET CLEANING SHALL OCCUR, AS NECESSARY, AT SOIL EXPORT LOCATION (IN ADDITION TO STREET CLEANING AT PROJECT SITE.) 16. THE RESPONSIBLE DUST CONTROL INDIVIDUAL AND KEY PERSONNEL SHALL ATTEND THE SCAQMD PM10 CLASS AND OBTAIN THE PM10 CERTIFICATE NUMBER PRIOR TO CONSTRUCTION ACTIVITY. TRAINING INFORMATION MAY BE OBTAINED BY CONTACTING SCAQMD AT (909) 396-2183. 17. THE LOCATION OF THE PERIMETER FENCE SHALL BE CONSIDERED TEMPORARY, UNTIL SUCH TIME AS THE PERIMETER WALL OF THE PROJECT IS IN PLACE. THIS TEMPORARY LOCATION SHOULD PROVIDE FOR ADEQUATE SIGHT DISTANCE AT INTERSECTIONS, BY MEANS OF A SETBACK OF A SUFFICIENT ANGLE TO ALLOW FOR A SAFE STOPPING DISTANCE. AFTER A REASONABLE PERIOD OF TIME, THE TEMPORARY PERIMETER FENCING AND SAND SHIELD WILL BE MOVED BACK FROM THE PROPERTY LINE. 18. STREET CLEANING SERVICES SHALL BE PROVIDED BY INDEPENDENT CONTRACTOR GENERAL NOTES 1. FOR CONSTRUCTION NOTES, REFER TO THE CONSTRUCTION PLAN. 2. FUGITIVE DUST MITIGATION MEASURES MAY REQUIRE ADJUSTMENTS AS NECESSARY BASED ON THE PROGRESS OF CONSTRUCTION AND OBSERVED SITE CONDITIONS. 3. FOR GRADING NOTES, REFER TO GRADING PLAN I NO. REVISIONS I APPROVED ( DATE IN THE CITY Of 41 pY1HIP. COUNTY Of RIVERSIDE, STATE O1 CALIFORNIA CANYON RIDGE DEVELOPMENT - TR. NO* 35060 FUGITIVE DUST MITIGATION PLAN (PM10) JUNE 2018 PREPARED FOR: SALAMMBO, LLC 73111 EL PASEO DRIVE, SUITE 204 PALM DESERT, CA 92260 (760)777-9920 PREVAILING WINDS LEGEND LIMITS OF DISTURBANCE (LOCATION IS SCHEMATIC ONLY, CONTRACTOR TO DETERMINE EXACT LOCATION IN FIELD.) EXISTING FENCE (LOCATION IS SCHEMATIC ONLY, CONTRACTOR PROTECT IN PLACE AND MAINTAIN.) EXISTING BLOCK WALL (LOCATION IS SCHEMATIC ONLY) STABILIZED CONSTRUCTION ENTRANCE/EXIT THE PROPOSED WEED ABATEMENT AND MITIGATION FOR DUST CONTROL WILL UTILIZE ONE OF THE EXISTING GATED ACCESS POINTS. IF TRACK -OUT BMP DEVICES ARE INSTALLED, THEY MUST MEET THE MINIMUM FUGITIVE DUST CONTROL ORDINANCE REQUIREMENTS: PAD CONSISTING OF MINIMUM ONE INCH WASHED GRAVEL MAINTAINED IN A CLEAN CONDITION TO A DEPTH OF AT LEAST SIX INCHES AND -EXTENDING AT LEAST 30 FEET WIDE AND AT LEAST 50 FEET LONG; OR PAVED SURFACE EXTENDING AT LEAST 100 FEET AND AT LEAST 20 FEET WIDE; OR WHEEL SHAKER / WHEEL SPREADING DEVICE CONSISTING OF RAISED DIVIDERS (RAILS, PIPE, OR GRATES) AT LEAST THREE INCHES TALL AND AT LEAST SIX INCHES APART; OR A WHEEL WASHING SYSTEM. TEMPORARY CONSTRUCTION STAGING AREA THE WEED ABATEMENT AND DUST CONTROL MITIGATION PROJECT DOES NOT INVOLVE GRADING OR VERTICAL CONSTRUCTION. TEMPORARY STAGING WILL UTILIZE AN EXISTING GRAVEL PAD. LOCATION AND EXTENT IS SCHEMATIC ONLY, CONTRACTOR TO DETERMINE EXACT LOCATION IN FIELD. SFH EXISTING FIRE HYDRANT (LOCATED OFFSITE AT THE ST. FRANCIS OF ASSISI CATHOLIC CHURCH) -at- PM10 SIGN (LOCATION IS SCHEMATIC ONLY) -� 15 MPH SPEED LIMIT SIGN (LOCATION IS SCHEMATIC ONLY) C 100' 200' SCALE 1"=100' CITC kAAP MSA CONSULTING, INC. PLANNING ■ CTVTL ENGINEERING ■ LAND SIJRVEYING 34200 BOB HOPE DRIVE In RANCHO MmAaE In CA 92270 TELEPHONE (760) 320-98U ■ FAX (760) 323-7893 J; t7 0 a AVENUE" a JHC DRAWN AWN BY E MICHELLE D. WITHERSPOON D'' A.Q.M.D. CERTIFICATION # CV 1705-004748-4810 CNECKED BY CITY ENGINEER EY, P.E. DATE CITY ENGINEER MW R.C.E. 49418 EXPIRES 09/30/2018 twi W PROJECT OWNER/DEVELOPER INFORMATION PROJECT OWNER/DEVELOPER: BERNARD J. DEBONNE(SALAMMBO, LLC) MAILING ADDRESS: 73-111 EL PASEO DRIVE, SURE 204 CITY: PALM DESERT STATE: CALIFORNIA ZIP: 92260 PRIMARY PHONE: (760) 674-4949 MANNED, 24-HOUR PHONE: (760)578.6915 PROJECT INFORMATION PROJECT ADDRESS: NORTHWEST CORNER OF WASHINGTON STREET AND 481H AVENUE CITY: LA QUINTA STATE: CALIFORNIA ZIP: 92253 OWNER/DEVELOPER IS RESPONSIBLE FOR EROSION CONTROL DURING CONSTRUCTION ACTIVITIES AND OFF -HOURS PROJECT LEVEL INFORMATION PROPERTY ACREAGE: 28 ACRES DISTURBED ACREAGE: 28 ACRES THE PROJECT AREA WILL BE DISTURBED FOR PURPOSES OF WEED ABATEMENT, MAINTENANCE, AND DUST MITIGATION. NO VERTICAL CONSTRUCTION OR GRADING IS INVOLVED. SOURCE OF WATER: EXISTING FIRE HYDRANT WITH CONSTRUCTION METER AT ST FRANCIS OF ASSISI CHURCH WATER AVAILABILITY: 150 GPM BACK-UP WATER SOURCE: TO BE DETERMINED BY CONTRACTOR PRIOR TO START OF CONSTRUCTION WATER DELIVERY EQUIPMENT. TYPE: WATER TRUCK WITH 2O00-GALLON CAPACITY FREQUENCY: AS NECESSARY TO CONTROL DUST EMISSIONS PROJECT FUNDING: THE FUNDING SOURCE FOR LONG AND SHORT TERM BMPS SHALL BE THE PROPERTY OWNER'S RESPONSIBILITY. BY CERTIFYING THIS PM10, THE PROPERTY OWNER CERTIFIES THAT THE FUNDING RESPONSIBILITIES HAVE BEEN ACKNOWLEDGED AND ADDRESSED. PM10 BONDING SITE ACREAGE 28 ACRES SECURITY AMOUNT $56,000 25% CASH $14,000 75% BOND $42,000 ANTICIPATED PROJECT START DATE• FEBRUARY 2018 ANTICIPATED PROJECT COMPLETION DATE JULY 2018 NOTES: 1. NO STOCKPILING WITHOUT CITY ENGINEER APPROVAL. SURROUNDING AREA NORTH VACANT LAND AND PARKING LOT SOUTH RESIDENTIAL EAST PUBLIC ROAD AND COMMERCIAL WEST VACANT HILLSIDE ST. FRANCIS OF ASSIST CATHOLIC CHURCH Y 0' 80. 180 SCALE 1"=80' ' CITY OF LA QUINTA, CALIFORNIA CANYON RIDGE DEVELOPMENT - TR. NO.35060 FUGITIVE DUST MITIGATION PLAN (PM10) @ Copyright 2018 MSA Consulting, Inc. All Rights Reserved SHEET 1F SHEETS 11132oQ� 1 NO. PART 1 PROJECT INFORMATION PROJECT OWNER/PROPONENT: SALAMMBO, LLC ADDRESS: 73-111 EL PASEO DRIVE, SUITE 204 PALM DESERT, CA 92260 DAY PHONE NUMBER: (760) 674-4949 EMERGENCY PHONE NUMBER: (760) 578-6915 CONSTRUCTION SITE STREET ADDRESS: NORTHWEST CORNER OF AVENUE 48 AND WASHINGTON STREET, IN THE CITY OF LA QUINTA, CA 92253 CONSTRUCTION SITE LOCATION: SEE SITE PLAN IN SHEET 1 (SITE PLAN) CURRENT LAND USAGE: VACANT (PREVIOUSLY GRADED AND STABILIZED) PROPOSED LAND USAGE: VACANT (AFTER WEED ABATEMENT AND MAINTENANCE) RESPONSIBLE PERSON'S 24 HOUR PHONE#: (760) 578-6915 CONSTRUCTION SITE ASSESSOR'S PARCEL NUMBER (TRACT #) TRACT MAP NO. 35060 PARCEL (TRACT) SIZE: 28 ACRES (TOTAL) 28 DISTURBED ACRES ANTICIPATED DATE OF PHYSICAL PROJECT INITIATION: FEBRUARY 2018 ANTICIPATED DATE OF PROJECT COMPLETION: JULY 2018 ANTICIPATED COST FOR DUST SUPPRESSION: $28,000 (28 AC. X $1,000/AC) (PART 5 "COST INFORMATION," SHALL BE COMPLETED AND MAILED TO AQMD, ATTN: PATRICK HOTRA, AND TO LA QUINTA, ATTN: CITY ENGINEER, WHEN CONSTRUCTION ACTIVITIES HAVE BEEN COMPLETED FOR PROJECTS OVER 10 ACRES ONLY). EARTHWORK INFORMATION ACREAGE/CUBIC YARDS) - PROJECT PARCEL AREA: 28 ACRES TOTAL DISTURBED SURFACE AREA: 28 ACRES RAW CUT: 0 CY RAW FILL: 0 CY RAW IMPORT: 0 CY RAW EXPORT: 0 CY PHASING OF GRADING ACTIVITIES "A" (SITE PREP., MOBILIZATION AN DEMOLITION) "B" (GRADING) "C" (UTIL. CONST., AGG. BASE AND PAVING) "D" (STRUCTURES, HARDSCAPE, LANDSCAPE, SWALES, FINE DRAINAGE, RECREATIONAL FACILITIES AND PERIMETER WALLS/FENCING) ESTIMATED GRADING DATES (BE AWARE THAT SPRING AND FALL ARE TYPICALLY WINDIER AND MAY REQUIRE MORE PRECAUTIONS AGAINST BLOWING DUST FOR PHASES THAT TEND TO STIR UP DUST, LIKE "B" ABOVE.) DISTURBED STABILIZED SPRINKLERS # OF PHASE AREA(AC.)* AREA(AC.) AREA(AC.) DATES: FROM TO WATER TRUCKS A 28 0 N/A 02/15/18 07/15/18 1 (2,000 GALLON) B 0 0 N/A N/A N/A N/A C 0 0 N/A N/A N/A N/A D 0 0 N/A N/A N/A N/A NOTE: THE PROJECT INVOLVES 28 ACRES OF PREVIOUSLY GRADED LAND WHERE WEED ABATEMENT, LOT MAINTENANCE AND SOIL STABILIZATION WILL TAKE PLACE. NO DEMOLITION, VERTICAL CONSTRUCTION, GRADING, OR EARTH MOVEMENT WILL BE INVOLVED. ONE 2,000-GALLON WATER TRUCK WILL BE USED TO TREAT THE ACTIVE AREAS OF THE PROPERTY WHILE THE OTHER AREAS ARE STABILIZED WITH CHEMICAL DUST SUPPRESSANT. WATER TRUCK FREQUENCY CALCULATIONS 1/2" OF SOIL ON TOP OF GRADED AREA MUST BE WATERED TO MAINTAIN A 12 PERCENT MOISTURE CONTENT OVER PREVIOUSLY MOISTENED (BY AGRI-TYPE SPRINKLER SYSTEM) AND COMPACTED SOIL. 1/2" OF SOIL OVER 1 ACRE = 68 CY; 68 CY x 12 PERCENT = 9 CY WATER/ACRE; 9 CY X 27 = 243 CAFE WATER; 243 CAFE X 7.48 GALLONS/CF = 1818 GALLONS OF WATER/ACRE *6000 GALLON WATER PULL CAN DELIVER 10,500 GALLONS/HOUR; 10,500/1818 = 5.8 ACRES/HOUR ASSUMPTION: EACH AREA WATERED 4 TIMES PER DAY. 5.8 ACRES/TRUCK/HOUR X 10 HOURS = 58 ACRES/TRUCK/DAY/ONE WATERING - DIVIDED BY 4 WATERING PER DAY = 14.5 ACRES/TRUCK/DAY 06000 GALLON WATER TRUCK CAN DELIVER 10,000 GALLONS/HOUR; 10,000/1818 = 5.5 ACRES/HOUR ASSUMPTION: EACH AREA WATERED 4 TIMES PER DAY. 5.5 ACRES/TRUCK/HOUR X 10 HOURS = 55 ACRES/TRUCK/DAY/ONE WATERING - DIVIDED BY 4 WATERING PER DAY = 13.8 ACRES/TRUCK/DAY *4000 GALLON WATER TRUCK CAN DELIVER 9,600 GALLONS/HOUR. 9,600/1818 = 5.3 ACRES/HOUR ASSUMPTION: EACH AREA WATERED 4 TIMES PER DAY. 5.3 ACRES/TRUCK/HOUR X 10 HOURS = 53 ACRES/TRUCK/DAY - DIVIDED BY 4 WATERING PER DAY = 13.3 ACRES/TRUCK/DAY 92600 GALLON WATER TRUCK CAN DELIVER 8,800 GALLONS/HOUR; 8,800/1818 = 4.8 ACRES/HOUR ASSUMPTION: EACH AREA WATERED 4 TIMES PER DAY. 4.8 ACRES/TRUCK/HOUR X 10 HOURS = 48 ACRES/TRUCK/DAY/ONE WATERING - DIVIDED BY 4 WATERING PER DAY = 12.0 ACRES/TRUCK/DAY REVISIONS APPROVED I DATE FUGITIVE PM10 DUST GENERATION CALCULATION THE FOLLOWING FORMULA PROVIDES AN ESTIMATE OF THE POTENTIAL TO GENERATE FUGITIVE DUST AT YOUR DEVELOPMENT SITE. COMPLETING THE FORMULA PROVIDES THE BASIS FOR MEASURING THE EFFECTIVENESS OF OUR CONTROL MEASURES. NOTE THAT THIS IS NOT AN ESTIMATE OF LARGER SAND PARTICLE MOVEMENT, WHICH MAY EXCEED SEVERAL TONS PER ACRE -DAY, BUT WHICH ALSO TEND TO STAY CLOSE TO THE GROUND. GENERATION FACTOR 110 LBS./ACRE/WORKING DAY DISTURBED AREA 28 (AC.) TOTAL POTENTIAL DUST EMISSIONS 3,080 LBS./DAY NOTE: TOTAL REPRESENTS UNMITIGATED EMISSIONS POTENTIAL. THE EMISSION OF FUGITIVE DUST IS PROHIBITED SUCH THAT NO DUST WHICH REMAINS VISIBLE IN THE ATMOSPHERE SHALL TRAVEL MORE THAN 100 FT OR CROSS BEYOND THE PROPERTY LINES OF THE EMISSION SOURCE. PART 2 FUGITIVE PM10 DUST CONTROL MEASURES NOTE: ALL SELECTED MITIGATION MEASURES SHALL BE IDENTIFIED AS PART OF THE MITIGATION MONITORING PLAN. SUMMARIZED MATRIX OF REQUIRED DUST MITIGATION MEASURES IDENTIFIED BY PHASE: NONE ©mmm ©��� ©mmm ©mmm ©mmm mmmm mmmm -PRE-DEMOLITION SITE WATERING (IRRIGATION SYSTEM FOR MIN. 72 HRS. ) -SIGNS POSTED ON SITE WITH 24 HR. PHONE NUMBER(S) FOR DUST CONTROLLER -SAND FENCING (EXISTING WALL AND FENCING TO BE PROTECTED IN PLACE) -SITE WATERING 7 DAYS A WEEK (IRRIGATION SYSTEM, MIN. 4 TIMES PER 24 HRS., OR BY WATER TRUCKS, MIN. 4 TIMES PER 24 HRS.) -GRAVEL (MIN. 1.5" DIAM. X 4" DEEP AT OFF-STREET STORAGE AND PARKING AREAS) -WHEEL CLEANING AT TRUCK EXITS, ("RUMBLE STRIPS", GRAVEL AREAS, ETC., SEE DETAIL ON SHEET 1) -INACTIVE AREA SOIL STABILIZERS (POLYMER, HYDROMULCH, OR PLANTS) -ACTIVE AREA SOIL STABILIZERS (ENVIROKLEEN "OIL", OR SIMILAR WETTING AGENTS) -STOP ALL VEHICLE ACTIVITY EXCEPT WATER TRUCKS WHEN WIND > 25 MPH -STREET SWEEPING WHENEVER NEEDED -PERMANENT VEGETATION / LANDSCAPING -PAVING NOTE: SOME OF THE BMPS LISTED IN THE MATRIX HAVE PREVIOUSLY BEEN IMPLEMENTED. A MAJORITY OF THE PERIMETER WALLS ARE BUILT, THE INTERIOR ROADS ARE PAVED, AND TEMPORARY FENCING IS INSTALLED. A MAJORITY OF THE PREVIOUSLY GRADED LOTS HAVE BEEN STABILIZED WITH A SOIL BINDER. PART 3 FUGITIVE PM10 DUST CONTROL PROGRAM DETAILS EACH MITIGATION MEASURE OR CONTROL PROGRAM SHALL BE DESCRIBED IN DETAIL BELOW AND ON ADDITIONAL SHEETS AS NECESSARY. PLEASE USE THE REQUIRED DUST CONTROL PLAN EXHIBIT (SEE SHEET 1) TO INDICATE THE LOCATION OF ON -SITE WATER AVAILABILITY, STAGING AREAS, TRUCK/WHEEL WASHERS, TEMPORARY SAND FENCING, WORKMEN'S PARKING AREAS, GRAVEL ROAD ENTRANCE/EXITS AND OTHER AREAS OR CONTROL METHOD LOCATIONS. 'A'- SITE PREPARATION, MOBILIZATION AND DEMOLITION GENERAL REQUIREMENTS 1. PM10 CONSTRUCTION SIGNS SHALL BE ERECTED AND MAINTAINED IN -PLACE PRIOR TO ANY SITE PREPARATION OR MOBILIZATION ACTIVITY THROUGH COMPLETION OF THE ENTIRE DEVELOPMENT. 2. PRE -WATERING SHALL COMMENCE AT LEAST THREE (3) DAYS PRIOR TO ACTUAL GRADING USING A TEMPORARY ON -SITE IRRIGATION SYSTEM. CONNECTION TO ANY EXISTING WATER SYSTEM SHALL BE DONE IN COMPLIANCE WITH WATER DISTRICT. TEMPORARY WATER LINES SHALL BE INSTALLED WITH A MINIMAL DISTURBANCE OF ANY OFF -SITE AREAS THEY PASS THROUGH. 3. WRITTEN AND NOTARIZED PERMISSION LETTERS SHALL BE SUBMITTED TO THE CITY ENGINEERING DEPT. FROM ANY ADJACENT LAND OWNERS WHOSE PROPERTY WILL BE USED IN ANY MANNER FOR CONSTRUCTION, STAGING, ACCESS, ETC. 4. PUBLIC ACCESS TO THE SITE SHALL BE RESTRICTED AS MUCH AS POSSIBLE, TO REDUCE AND CONTROL VEHICULAR ACTIVITY, AND TO REDUCE THE POTENTIAL FOR VANDALISM AND/OR INJURY. 5. ACTIVITY AREAS SUCH AS: EQUIPMENT STORAGE AREA, MATERIALS STORAGE AREA, TEMPORARY OFFICE TRAILERS, AND EMPLOYEE PARKING, SHALL BE LOCATED IN AN AREA USING A SOIL STABILIZER THAT DOES NOT REQUIRE CONSTANT WATERING, SUCH AS AN AGGREGATE BASE OR GRAVEL. 6. THE TIRES OF VEHICLES BEING USED ON -SITE SHALL BE INSPECTED AND WASHED IF NECESSARY TO MINIMIZE TRACKING OF DIRT ONTO PUBLIC STREETS. SITE SPECIFIC DETAILS (DESCRIBE ANY SPECIFIC OR ADDITIONAL CONTROL MEASURE PROPOSED) 1. PRE -WATERING METHOD: APPLY BY WATER TRUCK (1 TRUCK WITH A 2.000-GALLON CAPACITY) WATER AVAILABILITY, INITIAL STAGE: EXISTING SOURCE FOR THE WATER TRUCK IS LOCATED OFF -SITE. AT ST. FRANCIS OF ASSISI CATHOLIC CHURCH 2. OFF -SITE WORK PERMISSION NEEDED: NOT APPLICABLE 3. ACCESS WILL BE CONTROLLED BY: GATE AT EXISTING PROJECT ENTRY a TEMPORARY OFFICE AT INITIAL STAGING AREA (SEE SITE MAP, SHEET 1) EMPLOYEE PARKING IN INITIAL STAGING AREA SEE SITE MAP. SHEET i 6. OTHER PRELIMINARY WORK: TEMPORARY WIND FENCE WILL BE INSTALLED ALONG A PORTION OF THE SOUTHERLY PROPERTY LIMIT LINE (NORTH OF THE LAGUNA DE PAZ RESIDENTIAL NEIGHBORHOOD). STABILIZE SURFACE SOIL WHERE SUPPORT EQUIPMENT AND VEHICLES WILL OPERATE STABILIZE LOOSE SOIL AND DEMOLITION DEBRIS STABILIZE BACKFILL MATERIAL WHEN NOT ACTIVELY HANDLING AND AT THE COMPLETION OF ACTIVITY MSA CONSULTING, INC. PLANI4TNG ■ CIVIL ENGIN88mm • LAND SURVEYING 34200 BOB HOPE DRIVE In RANCHO MmAGE ■ CA 92270 TELEPHONE (760) 320-9811 ■ FAx (760) 323-7893 •B'- GRADING GENERAL REOU REIrENTS, 1. HAULING PROCEDURES: ALL VEHICLES GOING FROM DIRT AREAS ONTO PAVED STREETS SHALL HAVE TIRES AND WHEELS INSPECTED AND WASHED IF NECESSARY TO AVOID "TRACKING -OUT" DIRT. TRUCKS HAULING DIRT ON PAVED STREETS SHALL MAINTAIN AT LEAST A HALF FOOT "FREEBOARD" FROM RIM TO DIRT, AND COVER ALL DIRT OR DUSTY DEBRIS LOADS WITH AN APPROPRIATE TARP. THE HAUL ROUTE SHALL BE APPROVED BY THE CITY ENGINEER FOR ANY APPLICABLE TRANSPORT PERMITS PRIOR TO ITS USE. ALL HAULING TRUCKS SHALL HAVE A COPY OF THESE PROVISIONS WITH THEM AT ALL TIMES. A VALID GRADING PERMIT WILL BE REQUIRED PRIOR TO ANY IMPORT OR EXPORT OF MATERIAL OR DEBRIS INTO OR FROM THIS SITE. HAULING SHALL COMPLY WITH ALL APPROPRIATE DUST MITIGATION MEASURES. WHEN PRACTICAL, TRUCKS AND EQUIPMENT SHOULD SHUT OFF ENGINES RATHER THAN IDLING FOR EXTENDED PERIODS TO MINIMIZE EXHAUST EMISSIONS AND NOISE. THIS BECOMES MORE CRITICAL AS THE SIZE AND NUMBER OF VEHICLES INCREASES. 2. VEHICLES TRAVELING ON DIRT AND/OR ON UNPAVED ROADS SHALL RESTRICT THEIR SPEED TO 15 M.P.H. MAXIMUM. EARTH MOVERS (SCRAPERS) SHALL LIMIT THEIR MAXIMUM SPEED TO 10 M.P.H. SIGNS TO THAT EFFECT SHALL BE PLACED AT THE PROJECT ENTRANCE AND AT OTHER APPROPRIATE LOCATIONS ON SITE TO IMPROVE COMPLIANCE. EXCEPTION: SPEED LIMITS CAN BE INCREASED TO 25 MPH FOR SCRAPERS IF ROADWAYS/PATHS ARE WATERED WITHIN 15 MINUTES OF TRAVEL. 3. ALL STRIPPED, GRADED OR OTHERWISE DISTURBED AREAS SHALL BE STABILIZED BY SOME APPROPRIATE MEANS 24/7. AREAS ACTIVELY BEING GRADED SHALL BE STABILIZED BY APPLYING WATER USING WATER TRUCKS OR OTHER CITY APPROVED METHOD. DISTURBED AREAS NOT ACTIVELY BEING WORKED (AFTER 4 DAYS MAXIMUM) SHALL BE TREATED WITH A DURABLE APPROVED SOIL STABILIZER TO AVOID CONSTANT WATERING. THE PREFERRED METHOD OF SITE WATERING IS BY SPRINKLER, IF THEY DO NOT INTERFERE WITH THE GRADING VEHICLES. 4. IF PERIMETER BLOCK WALLS ARE TO BE BUILT THEY SHOULD BE GIVEN A HIGH PRIORITY SINCE THEY WILL HELP TO CATCH BLOWS AND COULD THEREBY REDUCE THE AMOUNT OF STREET SWEEPING REQUIRED. SITE SPECIFIC DETAILS - (PLEASE DESCRIBE ANY SPECIFIC OR ADDITIONAL CONTROL MEASURE PROPOSED.) 1. HAULING PROCEDURES: N/A -THE PROJECT DOES NOT INVOLVE EARTH MOVEMENT OR GRADING 2. SPEED RESTRICTION SIGN LOCATION: 15 MPH SIGNS WITH 10 MPH LIMITATION SHALL BE LOCATED AT SITE ENTRANCE EXCEPTION TO 10 MPH SPEED LIMIT NOTE ABOVE) 3. SOIL STABILIZATION METHODS: CHEMICAL DUST SUPPRESSANT HAS BEEN APPLIED TO DISTURBED AREAS ACTIVE AREA WATER SCHEDULE: WATER MIN. 4 TIMES DAILY TO CONTROL DUST EMISSIONS/ MORE FREQUENT WATERING MAY BE REQUIRED ON WINDIER DAYS: STOCKPILING NOT APPROVED AT THIS TIME. WITHIN 10 DAYS OF CEASING ACTIVITY, AN OPERATOR SHALL IMPLEMENT AT LEAST ONE OF THE FOLLOWING LONG-TERM STABILIZATION TECHNIQUES FOR ANY DISTURBED SURFACE AREA WHERE CONSTRUCTION ACTIVITIES ARE NOT SCHEDULED TO OCCUR FOR AT LEAST 30 DAYS. A. RENEGOTIATION THAT RESULTS IN 75 PERCENT GROUND COVERAGE PROVIDED THAT AN ACTIVE WATERING SYSTEM IS IN PLACE AT ALL TIMES; OR B. ESTABLISHMENT OF A STABILIZED SURFACE THROUGH WATERING WITH PHYSICAL ACCESS RESTRICTION SURROUNDING THE AREA; OR C. USE OF CHEMICAL STABILIZERS TO ESTABLISH A STABILIZED SURFACE WITH PHYSICAL ACCESS RESTRICTION SURROUNDING THE AREA. ALL SOIL STABILIZATION MATERIALS SHALL CONTAIN GREEN COLORANT FOR CONFIRMATION OF APPLICATION. WEEKEND WATERING SCHEDULE: WHEN ACTIVE, WATER MIN. 4 TIMES DAILY OR AS NECESSARY TO CONTROL DUST EMISSIONS MORE FREQUENT WATERING MAY BE REQUIRED ON WINDIER DAYS INACTIVE AREA AND STOCKPILE STABILIZATION METHOD (S): INACTIVE AREAS WILL BE STABILIZED WITH AN APPROVED CHEMICAL DUST SUPPRESSANT. UNPAVED ROADS STABILIZATION METHOD (S): N/A -THE PROJECT DOES NOT INVOLVE PAVING. 4. PERIMETER BLOCK WALL SCHEDULE: NOT APPLICABLE 5. OTHER: WIND/SAND FENCES TO BE INSTALLED AS SOON AS POSSIBLE SEE SITE MAP ON SHEET 1 FOR SPECIFIC LOCATIONS. •C• UTIL. CONST., AGO. BASE AND PAVING GENERAL REQUIREMENTS- 1. ALL INACTIVE AREAS SHALL BE STABILIZED BY THIS STAGE. IF PREVIOUSLY STABILIZED WITH VEGETATION, THE ACTUAL BUILDING PADS MAY NOW NEED TO BE STRIPPED, SCARIFIED, AND RECOMPACTED FOR BUILDING PAD COMPACTION AND ELEVATION CERTIFICATIONS. DUST SHALL BE KEPT DOWN BY WATERING, USUALLY BY TEMPORARY SPRINKLERS. 2. TRENCHING FOR BUILDING UTILITIES FORM THE BULK OF EARTHWORK AFTER THE PADS HAVE BEEN CERTIFIED. TEMPORARY SPRINKLERS OR OTHER APPROVED STABILIZATION METHODS SHALL STILL BE USED ON THE BUILDING SITE FOR DUST CONTROL PRIOR TO THE BEGINNING OF FRAMING. 3. ESTABLISHING THE LANDSCAPE AND SPRINKLER SYSTEM AROUND THE PERIMETER OF THE PROJECT SHOULD BE DONE AT THIS STAGE OR BEFORE. PLANTINGS AROUND THE PERIMETER SERVE AS A WIND BUFFER AND COLLECTION SYSTEM FOR DUST AND SAND. DUST AND SAND SHALL BE UNDER CONTROL PRIOR TO THE BUILDING PHASE. SITE SPECIFIC DETAILS - (PLEASE DESCRIBE ANY SPECIFIC OR ADDITIONAL CONTROL MEASURE PROPOSED.) 1. BUILDING PAD WATERING: N/A -THE PROJECT DOES NOT INVOLVE DEMOLITION, GRADING OR CONSTRUCTION. 2. FORMWORK AND TRENCH WATERING: N/A -THE PROJECT DOES NOT INVOLVE DEMOLITION, GRADING OR CONSTRUCTION. 3. PERIMETER LANDSCAPE SCHEDULE: N/A -THE PROJECT DOES NOT INVOLVE DEMOLITION, GRADING OR CONSTRUCTION. 4. OTHER: NOT APPLICABLE Will a0l, Emil i MICHELLE D. WITHERSPOON A.Q.M.D. CERTIFICATION # CV1705-004748-4810 J BRYAKMCKINNEY, P. DATE CITY ENGINEER mw R.C.E. 49418 EXPIRES 09/30/2018 'D• STRUCTURES, HARDSCAPE, LANDSCAPE, SWALES, FINE DRAINAGE, POOL, RECREATIONAL FACILITIES AND PERIMETER WALLS/FENCING 1. DISTURBED AREAS WITH LIMITED ACCESSIBILITY SHALL BE WATERED BY HAND OR TRUCK (IF POSSIBLE) FOR DUST CONTROL UNTIL SUCH TIME THAT THE PERMANENT SPRINKLER SYSTEM IS FULLY FUNCTIONAL AND GROUND COVER AND/OR LANDSCAPING IS ESTABLISHED. 2. CONSTRUCTION DUST SUCH AS FROM CEMENT, PLASTER, PAINT OVERSPRAY, WOOD CUTTING, GRINDING OPERATIONS, ETC., SHALL BE MINIMIZED, AND IN NO CASE BE ALLOWED TO EXTEND OVER 100' FROM THE SOURCE OR CROSS THE PROPERTY LINE. A PERIMETER BARRIER OF SPRINKLERS AND PLANTINGS CAN SERVE TO CATCH SOME OF THE POTENTIALLY HAZARDOUS MATERIAL AS WELL AS NATURAL DUST AND BLOWSAND. CONCENTRATIONS OF CONSTRUCTION DUSTS CAN RESULT FROM WASHING OF EQUIPMENT AND SHOULD BE PROPERLY DISPOSED OF BEFORE MATERIALS CAN DRYOUT AND BLOW OR BE WASHED ACROSS PROJECT BOUNDARIES. SITE SPECIFIC DETAILS - NOT APPLICABLE ADDITIONAL NOTES 1. ON -SITE STAFFING: A. MAINTAIN A LIST OF ADDITIONAL EQUIPMENT (WATER TRUCK) OPERATORS AVAILABLE 24/7. B. MAINTAIN A LIST OF CITY APPROVED RESPONSIBLE PERSONS AUTHORIZED TO IMMEDIATELY CORRECT FUGITIVE DUST (RULE 403, 403.1 AND C.V. SIP) AND NUISANCE (RULE 402) VIOLATIONS. 2. STAFF TRAINING: A. PROVIDE TRAINING FOR STAFF AND MANAGEMENT AT A REGULARLY SCHEDULED AMID WORKSHOP. FOR SCHEDULING OF WORKSHOPS, CALL 866-861-3878. B. REQUIRE ALL SUBCONTRACTORS AND BUILDERS TO ATTEND A REGULARLY SCHEDULED AMID WORKSHOP. ABATEMENT OF DUST MITIGATION FAILURE AN IRREVOCABLE LICENSE IS HEREBY GRANTED OR CAUSED TO BE GRANTED TO THE CITY TO PERMIT THE ENTRY UPON THE SITE AT ALL TIMES AND UNDER THE FOLLOWING CIRCUMSTANCES: A. IN THE EVENT THAT WIND SPEEDS IN EXCESS OF 25 M.P.H ARE FORECAST TO OCCUR BY THE SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT (SCAQMD) FOR A PARTICULAR DAY; B. IN THE EVENT OF AN ON -SITE ANEMOMETER THAT CONFORMS TO ALL SCAQMD STANDARDS REGISTERING 2 WIND GUSTS IN EXCESS OF 25 M.P.H. WITHIN CONSECUTIVE 30 MINUTE PERIODS; OR C. IN THE EVENT FUGITIVE DUST EMISSIONS ARE VISIBLE FROM ANY BOUNDARY LINE; OR IF D. THE CITY IS UNABLE, BY TELEPHONE, TO ESTABLISH A PERSONAL CONTACT WITH THE GENERAL CONTRACTOR, OR THE DESIGNATED RESPONSIBLE PERSON AFTER A 60 MINUTE CONSECUTIVE PERIOD WHICH SHALL COMMENCE WITH THE FIRST TELEPHONE CALL WHETHER ANSWERED OR NOT. THE CITY MAY THEN, WITHOUT PREJUDICE, INITIATE ONE OR ALL OF THE BELOW LISTED ACTIONS: 1. THE CITY MAY CAUSE THE CESSATION OF ANY ON -SITE ACTIVITY, INCLUDING BUT NOT LIMITED TO EARTH MOVING, CONSTRUCTION, DEMOLITION OR VEHICULAR MOVEMENT AND MANEUVERING. EXISTING FUGITIVE DUST MITIGATION MEASURES SHALL CONTINUE. 2. IN THE EVENT THAT AN ON -SITE IRRIGATION SYSTEM IS NOT INSTALLED AND/OR OPERATIONAL, THE CITY WILL CAUSE THE SITE TO BE WATERED. IN ANY CONTRACT BETWEEN THE GENERAL CONTRACTOR AND ANY WATER -PROVIDING VENDOR, SUCH AS A WATERING TRUCK OPERATION OR IRRIGATION SYSTEM PROVIDER/OPERATOR, THE CITY AND THE ENVIRONMENTAL OBSERVER SHALL BE NAMED AS AN AUTHORIZED AGENT FOR PURPOSES OF ORDERING OR CALUNG-OUT WATER TRUCKS OR CAUSING AN IRRIGATION SYSTEM TO BE MADE OPERATIONAL. SHOULD THE GENERAL CONTRACTOR NOT HAVE SUCH A CONTRACT OR HAVE FAILED TO DESIGNATE THE CITY AND THE ENVIRONMENTAL OBSERVER AS AN AGENT OR NOT INFORMED THE CITY OF THE CONTRACTOR'S NAME, ADDRESS AND PHONE NUMBER, OR THE CITY IS UNABLE TO CONTACT THE CONTRACTOR AFTER A REASONABLE EFFORT IS MADE TO DO SO, THE CITY SHALL AUTHORIZE ANY OTHER VENDOR AS IT'S AGENT FOR PURPOSES OF ENTRY UPON THE SITE TO ATTEMPT TO MITIGATE ANY POTENTIAL DUST CONTROL PROBLEMS. 3. IN THE EVENT AN ON -SITE IRRIGATION SYSTEM IS INSTALLED, THE CITY WILL CAUSE THE IRRIGATION SYSTEM TO OPERATE. THE GENERAL CONTRACTOR SHALL TAKE ALL NECESSARY STEPS TO ENSURE THAT THE CITY HAS THE MEANS TO ACCESS THE SITE AND THE VALVES OF THE IRRIGATION SYSTEM; THAT IS, THE KEYS TO ANY AND ALL LOCKS PROVIDED TO THE CITY ENGINEER BY THE END OF THE NEXT WORK DAY FOLLOWING THE INSTALLATION OF ANY SUCH LOCK. EACH KEY SHALL BE PLAINLY AND CLEARLY MARKED WITH THE PROJECT NAME AND CORRESPONDING LOCK (MAIN GATE, SOUTH IRRIGATION SYSTEM, ETC.). E. IF, IN THE OPINION OF THE CITY ENGINEER OR HIS DESIGNEE, THE INTENSITY, FREQUENCY OR DURATION OF FUGITIVE DUST EMISSIONS FROM THE SITE CONSTITUTES A HAZARD TO THE SAFETY OF THE PUBLIC, BY INTRUSION BEYOND THE PROJECT BOUNDARY, THE CITY ENGINEER OR HIS DESIGNEE OR AGENT MAY IMMEDIATELY ENTER UPON THE SITE OR IMMEDIATELY TAKE OTHER SUCH ACTION AS MAY BE NECESSARY TO REMEDY THE HAZARD, SUCH AS, BUT NOT LIMITED TO COMMENCING WATERING ON THE SITE OR ORDERING THE CESSATION OF ANY EMISSION -GENERATING ACTIVITY OCCURRING ON -SITE. F. ANY OF THE ABOVE ACTIONS SHALL BE CONSTRUED AS AN ABATEMENT FOR WHICH THE CITY WILL "BACK CHARGE" THE GENERAL CONTRACTOR, DEVELOPER, AND/OR THE OWNER AS THE CITY SHALL DEEM APPROPRIATE. CITY OF LA QUINTA, CALIFORNIA CANYON RIDGE DEVELOPMENT - TR. NO. 35060 FUGITIVE DUST MITIGATION PLAN (PM10) © Copyright 2018 MSA Consulting, Inc. All Rights Reserved T OF PART 4 LANDSCAPE CONTRACTOR CONTRACTOR OR COMPANY NAME: PART 5 APPLICATION CONSENT AND AGREEMENT COST INFORMATION APPLICATION FOR APPROVAL OF THIS PM70 PLAN IS HEREBY MADE TO THE CITY ENGINEER OR HIS DESIGNEE, AS PART OF A GRADING PERMIT APPLICATION, SUBJECT TO THE CONDITIONS AND RESTRICTIONS SET FORTH HEREIN: 1. EACH PERSON UPON WHOSE BEHALF THIS APPLICATION IS MADE AND EACH PERSON AT WHOSE REQUEST AND FOR WHOSE BENEFIT WORK IS PERFORMED UNDER AND PURSUANT TO ANY PERMIT ISSUED AS A RESULT OF THIS APPLICATION AGREES TO, AND SHALL INDEMNIFY AND HOLD HARMLESS THE CITY OF LA QUINTA, ITS OFFICERS, AGENTS AND EMPLOYEES. 2. ANY PERMIT ISSUED AS A RESULT OF THIS APPLICATION BECOMES NULL AND VOID IF WORK IS NOT COMMENCED WITHIN 90 DAYS FROM THE DATE OF ISSUANCE OF SUCH PERMIT. 3. THE APPLICANT, OWNER, CONTRACTOR(S), SUBCONTRACTOR(S), BUILDERS OR OTHER AGENTS, HEIRS OR ASSIGNEES SHALL CONFORM TO THIS PM10 DUST CONTROL PLAN AS APPROVED BY THE CITY. SAID PLAN INCLUDES NOTES AND/OR DRAWINGS OF TEMPORARY OR PERMANENT CONTROL METHODS OR DEVICES PROPOSED TO BE USED. THIS PM10 PLAN SHALL BE CONSIDERED AN ADDENDUM TO, AND A NECESSARY PART OF, ANY GRADING, STOCKPILE, IMPROVEMENT, BUILDING OR DEMOLITION PLAN OTHERWISE REQUIRED FOR CITY PERMITS. 4. BY AGREEING TO CONFORM TO THIS PLAN AS APPROVED BY THE CITY, THE OWNER, CONTRACTOR(S), SUBCONTRACTOR(S) AND BUILDERS, DO ALSO AGREE TO ABIDE BY THE PROVISIONS OF THE ABATEMENT PROCEDURES AS SHOWN ON SHEET 3. 5. NO CONTRACTOR, SUBCONTRACTOR, OR BUILDER OF ANY TYPE SHALL BE ALLOWED TO WORK ON SITE WITHOUT HAVING ATTENDED A REGULARLY SCHEDULED A.Q.M.D. WORKSHOP. LICENSED CONTRACTOR'S DECLARATION 1 HEREBY AFFIRM THAT I AM LICENSED UNDER THE PROVISIONS OF CHAPTER 9 (COMMENCING WITH SECTION 7000 OF DIVISION 3 OF THE BUSINESS AND PROFESSIONS CODE), AND THAT MY LICENSE IS IN FULL FORCE AND EFFECT. I HAVE READ THE CONDITIONS OF THE FUGITIVE DUST (PM10) MITIGATION PLAN AND THE OWNER HAS AUTHORIZED IMPLEMENTATION OF ALL OF ITS PROVISIONS THROUGHOUT PROJECT BUILD OUT AND UNTIL THE ISSUANCE OF CERTIFICATES OF OCCUPANCY. LICENSE CLASS NO. CONTRACTORS NAME COMPANY NAME COMPANY ADDRESS CONTACT PHONE NUMBERS DAY CONTRACTORS SIGNATURE NIGHT I HAVE READ THE CONDITIONS OF THE FUGITIVE DUST (PM70) MITIGATION PLAN AND THE OWNER HAS AUTHORIZED THE IMPLEMENTATION OF ALL ITS PROVISIONS THROUGHOUT PROJECT BUILD OUT. GRADING CONTRACTOR OR COMPANY NAME: LICENSE CLASS PHONE NUMBER EMERGENCY PHONE NUMBER SIGNATURE OF GRADING CONTRACTOR OR AUTHORIZED REPRESENTATIVE DATE SEWER AND WATER CONTRACTOR OR COMPANY NAME: TRADE PHONE NUMBER EMERGENCY PHONE NUMBER LICENSE CLASS SIGNATURE OF GRADING CONTRACTOR OR AUTHORIZED REPRESENTATIVE DATE DRY UTILITY CONTRACTOR OR COMPANY NAME: TRADE LICENSE CLASS PHONE NUMBER EMERGENCY PHONE NUMBER SIGNATURE OF GRADING CONTRACTOR OR AUTHORIZED REPRESENTATIVE DATE PAVING CONTRACTOR OR COMPANY NAME: LICENSE CLASS PHONE N EMERGENCY PHONE NUMBER SIGNATURE OF GRADING CONTRACTOR OR AUTHORIZED REPRESENTATIVE DATE NO. REVISIONS TRADE LICENSE CLASS PHONE EMERGENCY PHONE SIGNATURE OF GRADING CONTRACTOR OR AUTHORIZED REPRESENTATIVE DATE CONTRACTOR AGREEMENT CONTINUED ON SHEET 4 OWNER'S CERTIFICATION ;Fa FINANCIAL SECURITY: TO INSURE IMPLEMENTATION OF THE DUST CONTROL MITIGATION MEASURES, A FINANCIAL SECURITY WHICH IS EQUAL TO THE COST OF IMPLEMENTATION OF ANY MITIGATION MEASURES SHALL BE REQUIRED PRIOR TO THE ISSUANCE OF ANY PERMIT. ANY FINANCIAL SECURITIES COLLECTED UNDER THE PROVISIONS OF THIS REQUIREMENT SHALL BE HELD BY THE CITY OF LA QUINTA FOR POTENTIAL USE IN MITIGATING SOURCES OF FUGITIVE DUST NOT ADEQUATELY MITIGATED BY THE PROPERTY OWNER. THE UNUSED BALANCE SHALL BE RETURNED TO THE PROPERTY OWNER ONCE THE CITY HAS ACCEPTED THE FINAL IMPROVEMENT AND ISSUED CERTIFICATES OF OCCUPANCY. I CERTIFY THAT I HAVE READ THIS APPLICATION AND UNDERSTAND THAT I AM RESPONSIBLE FOR THE COMPLIANCE OF THIS PROJECT TO THE DUST CONTROL PROVISIONS NOTED OR REFERENCED HEREIN. I UNDERSTAND THAT THE DUST CONTROL SECURITY THAT I'VE POSTED WITH THE CITY OF LA QUINTA MAY BE USED BY THE CITY, AND ADDITIONAL CHARGES, IF NEEDED, TO MITIGATE ANY VISIBLE EMISSIONS OR FUGITIVE DUST, IF I FAIL TO KEEP THE DUST UNDER CONTROL, I UNDERSTAND THAT DUST CONTROL IS REQUIRED 24 HOURS PER DAY, 7 DAYS PER WEEK FROM THE INITIAL DATE THAT THIS SITE IS DISTURBED IN ANY WAY FROM THE NATURAL VEGETATED CONDITION, AND SHALL CONTINUE UNTIL THE TIME THAT THE PROJECT SITE AND ALL IMPROVEMENTS ARE COMPLETED AND THE PROJECT SITE IS ACCEPTABLY RE -VEGETATED AND PAVED. RESPONSIBILITY FOR THE DUST CONTROL ON THE SITE CAN NOT BE TRANSFERRED SOLELY BY TRANSFERRING ALL OR A PORTION OF THIS PROPERTY TO OTHER CONTRACTORS, BUILDERS OR OWNERS. A REPLACEMENT PM10 PLAN AND DUST CONTROL SECURITY SHALL BE SUBMITTED FOR ANY TRANSFERRED PORTION OF THE PROJECT. I HEREBY AUTHORIZE THE PERSON LISTED BELOW AS THE "RESPONSIBLE PERSON" AND HIS DESIGNATED AGENTS, TO BE THE REPRESENTATIVE AND CONTACT PERSON FOR ALL DUST COMPLAINTS INVOLVING THIS PROJECT, I CERTIFY THAT I HAVE READ THIS APPLICATION AND THAT THE INFORMATION CONTAINED HEREIN IS TRUE AND CORRECT, I AGREE TO COMPLY WITH THE CITY FUGITIVE DUST ORDINANCE, A.Q.M.D. RULE 403, 403.1 AND THE FINAL COACHELLA VALLEY S.I.P, AND ALL LAWS RELATING TO CLEARING, GRADING, UTILITIES, LANDSCAPING, AND BUILDING OPERATIONS. I AUTHORIZE REPRESENTATIVES OF THE CRY OF LA QUINTA TO ENTER UPON THE ABOVE -MENTIONED PROPERTY FOR INSPECTION AND/OR ABATEMENT PURPOSES, AND I AGREE TO HOLD HARMLESS THE CITY AND ITS REPRESENTATIVES FROM LIABILITY FOR ANY ACTIONS RELATED TO THIS PERMIT. OWNER'S NAME(S): BERNARD J. DEBONNE COMPANY: SALAMMBO, LLC OWNER'S ADDRESS: 73-111 EL PASEO DRIVE, SUITE 204, PALM DESERT, CA 92260 CONTACT PHONE NUMBER . r Y ) 6 OWNER'S SIGNATURE(S): -"V VW DATE: 07 _ P J / ir) R AUTHORIZED RESPONSIBLE PERSON'S CERTIFICATION I CERTIFY THAT I HAVE READ THIS APPLICATION AND PM10 PLAN AND UNDERSTAND THAT I AM RESPONSIBLE FOR THE COMPLIANCE OF THIS PROJECT TO THE DUST CONTROL PROVISIONS NOTED OR REFERENCED HEREIN. AS THE AUTHORIZED RESPONSIBLE PERSON FOR THIS PROJECT I WILL LIST MY PHONE NUMBER ON THE REQUIRED SITE SIGNS, AND I WILL RESPOND TO DUST COMPLAINTS WITHIN THE 1 HOUR LIMIT. I UNDERSTAND THAT DUST CONTROL IS REQUIRED 24 HOURS PER DAY 7 DAYS PER WEEK, FROM THE DATE THAT THE PROJECT IS FIRST DISTURBED IN ANY WAY FROM THE NATURAL VEGETATED CONDITION, AND CONTINUE UNTIL THE TIME THAT THE PROJECT SITE AND ALL IMPROVEMENTS ARE COMPLETED AND THE PROJECT SITE IS ACCEPTABLY RE -VEGETATED AND PAVED. I ALSO CERTIFY THAT I HAVE ATTENDED AN A.Q.M.D, SEMINAR ON FUGITIVE DUST CONTROL. NAME: JOHN PEDALINO CERTIFICATION NO.: CV1801-005590-5649 COMPANY: DESERT ESTATES DEVELOPMENT, INC. ADDRESS: 78401 HIGHWAY 111, SUITE X, LA QUINTA, CA 92253 CONTACT PHONE NUiR (24 HOURS): (760) 578.6915 SIGNATURE: APPROVED DATE MSA CONSULTING, INC. PLANNING In Cwm EN naiaEING ■ LAND STJRVEyiNO 34200 BOB HOPE DRIVE ■ RANCHO MI LADE ■ CA 92270 TELEPHONE (760) 320-9811 Is FAx (760) 323-7893 APPLICABLE TO MEDIUM -LARGE SCALE CONSTRUCTION/DEMOLITION PROJECTS (GREATER THAN 5 ACRESI FUGITIVE DUST (PM10) MITIGATION PLAN JURISDICTION: CITY OF LA QUINTA PERMIT NO.: 12032 IN ACCORDANCE WITH THE FUGITIVE DUST CONTROL ORDINANCE, OF THE CITY OF LA QUINTA, THE FOLLOWING FORM SHALL BE COMPLETED AND RETURNED WITHIN 15 DAYS PRIOR TO ISSUANCE OF CERTIFICATES AND PERMITS FOR GRADING, USE AND OCCUPANCY PERMITS OR AT OTHER TIMES PREDETERMINED BY THE CITY. PROJECT OWNER/PROPONENT: SALAMMSO, LLC ADDRESS: 73-111 EL PASEO DRIVE, SUITE 204 PALM DESERT, CA 92260 DAY PHONE NUMBER: (760) 674.4949 EMERGENCY PHONE NUMBER: (760) 578-6915 IN THE SPACE PROVIDED BELOW LIST THE COSTS ASSOCIATED WITH IMPLEMENTATION OF ALL DUST CONTROL MEASURES. THE COST INFORMATION PROVIDED BELOW SHALL INCLUDE ALL IMPLEMENTATION COSTS (INCLUDING LABOR, EQUIPMENT, MATERIALS AND TOOLS) REQUIRED FOR DUST CONTROL THROUGHOUT THE PROJECT, ALL MEASURES LISTED BELOW MAY NOT APPLY TO ALL PROJECTS. CHEMICAL STABILIZATION: WIND FENCING: COVERING HAUL VEHICLES: WHEEL WASHERS: STREET SWEEPING: PAVING: WIND SHELTERING: COVERINGS: VEGETATION RE-ESTABLISHMENT: AFTER PROJECT COMPLETION THESE RECORDS SHALL BE TRANSMITTED TO THE AGENCY WHERE THE GRADING/DEMOLITION PERMIT WAS ATTAINED, AND TO THE COACHELLA VALLEY ASSOCIATION OF GOVERNMENTS (CVAG) AT THE ADDRESS PROVIDED BELOW, PM10 COST MONITORING SECTION, COACHELLA VALLEY ASSOCIATION OF GOVERNMENTS 73-710 FRED WARING DRIVE, SUITE 200 PALM DESERT, CALIFORNIA 92260 PART 6 RESPONSIBLE PERSON 1. NAME AND LIST ALL RESPONSIBLE PERSONS. 2. RESPONSIBLE PERSONS SHALL BE APPROVED BY THE CITY ENGINEER. RESUMES OF EXPERIENCE AND CERTIFICATION OF ATTENDANCE AT AQMD PM-10 CLASSES AND OTHER REQUESTED DOCUMENTATION SHALL BE PROVIDED TO THE CITY FOR REVIEW PRIOR TO ACCEPTANCE. 3. THE CITY RESERVES THE RIGHT TO REJECT ANY PROPOSED OR ACCEPTED RESPONSIBLE PERSON, AT ANY TIME WITHOUT PREJUDICE. 4. EACH OBSERVER SHALL BE EQUIPPED WITH A 24 HOUR CELLULAR PHONE, RESPONSIBLE PERSON CHECKLIST, A CAMERA, A LOG BOOK AND A VEHICLE. 5. IF THE PM-10 RESPONSIBLE PERSON LEAVES THE SITE FOR ANY REASON, NO CONSTRUCTION THAT MAY CAUSE FUGITIVE DUST SHALL OCCUR UNTIL THE RESPONSIBLE PERSON, OR A REPLACEMENT HAS RETURNED. CONSTRUCTION ACTIVITY DURING THE RESPONSIBLE PERSONS ABSENCE SHALL BE LIMITED TO OPERATION OF FUGITIVE DUST PREVENTION EQUIPMENT INCLUDING WATER TRUCKS, CHEMICAL STABILIZATION TRUCKS, AND EQUIPMENT REQUIRED FOR INSTALLATION AND REPAIR OF WIND FENCING. 6. THE CELLULAR PHONE SHALL BE IN THE POSSESSION OF THE RESPONSIBLE PERSON AT ALL TIMES. 7. THE PHONE NUMBER FOR THE 24 HOUR PHONE SHALL BE MAINTAINED AND POSTED ON THE CITY APPROVED 8'X4' OR Nx3PERIMETER SIGNS. 8. THE REPORT SHALL BE PREPARED EVERY DAY. THE REPORTS, LOGS AND PHOTOS SHALL BE CONTAINED IN A FOLDER THAT IS ACCESSIBLE IN THE CONSTRUCTION TRAILER, 24/7. 'E MICHELLE D. WITHERSPOON A.Q.M.D. CERTIFICATION # CV1705-004748-4810 ADRAWNBY BRY MCKINNEY, P.. DATE CITY ENGINEER R.C.E. 49418 EXPIRES 09/30/2018 CITY OF LA QUINTA, CALIFORNIA CANYON RIDGE DEVELOPMENT - TR. NO. 35060 FUGITIVE DUST MITIGATION PLAN (PM10) © Copyright 2018 MSA Consulting, Inc. All Rights Reserved TSHEETS OF 000001 PART 4 AGREEMENT (CONTINUED FROM SHEET 4) 1 HAVE READ THE CONDITIONS OF THE FUGITIVE DUST (PM10) MITIGATION PLAN AND THE OWNER HAS AUTHORIZED THE IMPLEMENTATION OF ALL ITS PROVISIONS THROUGHOUT PROJECT BUILDOUT. CONTRACTOR OR COMPANY NAME - LICENSE PHONE NUMBER: EMERGENCY PHONE NUMBER: NO. SIGNATURE OF GRADING CONTRACTOR OR AUTHORIZED REPRESENTATIVE (DATE) CONTRACTOR OR COMPANY NAME - TRADE LICENSE PHONE NUMBER: EMERGENCY PHONE NUMBER: SIGNATURE OF SEWER AND WATER CONTRACTOR OR AUTHORIZED REPRESENTATIVE (DATE) CONTRACTOR OR COMPANY NAME - LICENSE CLASS PHONE NUMBER: EMERGENCY PHONE NUMBER: SIGNATURE OF DRY UTILITY CONTRACTOR OR AUTHORIZED REPRESENTATIVE (DATE) CONTRACTOR OR COMPANY NAME - LICENSE CLASS NO PHONE NUMBER: EMERGENCY PHONE NUMBER: SIGNATURE OF PAVING CONTRACTOR OR AUTHORIZED REPRESENTATIVE (DATE) CONTRACTOR OR COMPANY NAME - LICENSE CLASS NO. PHONE NUMBER: EMERGENCY PHONE NUMBER: SIGNATURE OF PAVING CONTRACTOR OR AUTHORIZED REPRESENTATIVE (DATE) CONTRACTOR OR COMPANY NAME - LICENSE PHONE NUMBER: EMERGENCY PHONE NUMBER: SIGNATURE OF GRADING CONTRACTOR OR AUTHORIZED REPRESENTATIVE (DATE) LICENSE CLASS PHONE NUMBER: EMERGENCY PHONE NUMBER: SIGNATURE OF SEWER AND WATER CONTRACTOR OR AUTHORIZED REPRESENTATIVE (DATE) CONTRACTOR OR COMPANY NAME - TRADE LICENSE CLASS PHONE NUMBER: EMERGENCY PHONE NUMBER: NO. SIGNATURE OF DRY UTILITY CONTRACTOR OR AUTHORIZED REPRESENTATIVE (DATE) CONTRACTOR OR COMPANY NAME - TRADE LICENSE CLASS NO. PHONE NUMBER: EMERGENCY PHONE NUMBER: SIGNATURE OF PAVING CONTRACTOR OR AUTHORIZED REPRESENTATIVE (DATE) CONTRACTOR OR COMPANY NAME - TRADE LICENSE CLASS NO PHONE NUMBER: EMERGENCY PHONE NUMBER: SIGNATURE OF PAVING CONTRACTOR OR AUTHORIZED REPRESENTATIVE (DATE) CONTRACTOR OR COMPANY NAME - LICENSE CLASS NO. PHONE NUMBER: EMERGENCY PHONE NUMBER: SIGNATURE OF GRADING CONTRACTOR OR AUTHORIZED REPRESENTATIVE (DATE) CONTRACTOR OR COMPANY NAME - LICENSE CLASS PHONE NUMBER: EMERGENCY PHONE NUMBER: SIGNATURE OF SEWER AND WATER CONTRACTOR OR AUTHORIZED REPRESENTATIVE (DATE) TEXT HT. LICENSE CLASS PHONE NUMBER: EMERGENCY PHONE NUMBER: SIGNATURE OF DRY UTILITY CONTRACTOR OR AUTHORIZED REPRESENTATIVE (DATE) CONTRACTOR OR COMPANY NAME - TRADE LICENSE CLASS PHONE NUMBER: EMERGENCY PHONE NUMBER: NO SIGNATURE OF PAVING CONTRACTOR OR AUTHORIZED REPRESENTATIVE (DATE) CONTRACTOR OR COMPANY NAME - TRADE LICENSE CLASS NO. PHONE NUMBER: EMERGENCY PHONE NUMBER: SIGNATURE OF PAVING CONTRACTOR OR AUTHORIZED REPRESENTATIVE (DATE) 4' s.s' CITY OF LA QUINTA PERMIT NO. XXX 6.9' TRACT NO. 35060 6.9' 3.0" IF YOU SEE DUST COMING 3.0" FROM THIS PROJECT PLEASE CALL: 6A„ JOHN PEDALINO Siff (760) 578=6915 1.51, IF YOU DON'T GET A RESPONSE WITHIN ONE HOUR, PLEASE CALL: 1.51, THE CITY OF LA QUINTA PUBLIC WORKS DEPARTMENT 2.0" (760) 416-5315 1.51' REPORT THE PERMIT OR PROJECT NO. AT THE PHONE NUMBER ABOVE 1.51' OR CALL AIR QUALITY MANAGEMENT DISTRICT AT: 1-800-288-7664 O.G. -�I i-- 4"x4" WOOD POSTS SAMPLE PM10 SIGN DETAIL BLACK LETTERS, WHITE BACKGROUND - R H x 8' L Z_ ;a d r iv) COMPACTED SOIL -SAMPLE- ENVIRONMENTAL OBSERVER CHECKLIST - AM HOURS ELEMENTS MONITORED 12AM IAM 2AM 3AM 4AM 5AM SAM TAM SAM SAM 10AM 11AM COMMENTS FORECASTED HIGH WINDS WIND SPEED WIND DIRECTION # WATER TRUCKS OPERATING # WATER TRUCKS AVAILABLE ROADS MOIST/WATERED UNSTABILIZED AREAS MOIST/WATERED DRY AREAS OBSERVED ALL IRRIGATION WORKING ALL IRRIGATION MAINTENANCE WATER TANKS FILLED ALL WATER PUMPS WORKING CHEMICAL STABILIZATION USED TRACK —OUT OBSERVED BLOW SAND OBSERVED ON —SITE BLOWING DUST OBSERVED ON —SITE BLOWING DUST OBSERVED OFF —SITE ALL WIND/SNOW FENCING MAINTAINED # COMPLAINTS RECEIVED CORRECTIVE ACTION TAKEN N=NO OR NONE Y=YES N/A=NOT APPLICABLE NAME: DATE: -SAMPLE- ENVIRONMENTAL OBSERVER CHECKLIST - PM HOURS ELEMENTS MONITORED NOON 1PM 2PM 3PM 4PM 5PM SPM 7PM 8PM 9PM 1OPM 11PM COMMENTS FORECASTED HIGH WINDS WIND SPEED WIND DIRECTION # WATER TRUCKS OPERATING # WATER TRUCKS AVAILABLE ROADS MOIST/WATERED UNSTABILIZED AREAS MOIST/WATERED DRY AREAS OBSERVED ALL IRRIGATION WORKING ALL IRRIGATION MAINTENANCE WATER TANKS FILLED ALL WATER PUMPS WORKING CHEMICAL STABILIZATION USED TRACK —OUT OBSERVED BLOW SAND OBSERVED ON —SITE BLOWING DUST OBSERVED ON —SITE BLOWING DUST OBSERVED OFF —SITE ALL WIND/SNOW FENCING MAINTAINED # COMPLAINTS RECEIVED CORRECTIVE ACTION TAKEN N=NO OR NONE Y=YES N/A=NOT APPLICABLE NAME: DATE: *NOTE: REQUIRED TO BE FILLED OUT DAILY WITH A COPY TO CITY ENGINEER © Copyright 2018 MSA Consulting, Inc. All Riahts Reserved No. REVISIONS APPROVED DATE IV34200 SA CONSULTING, INC. ING ■ CrviL ENGINEERING ■ LAND SURVEYING Y KtUUNDER IHEUwLuiI UPt IJIUNUV / /IGNATURE � -���- ^��o• JHc APPROVED BY: CITTOfLAQUINTA Ip ✓� $ G�lD BRY MCKINNEY, P. DATErxoxE CITY ENGINEER R.C.E. 49418 EXPIRES 09/30/2018 CITY OF LA QUINTA, CALIFORNIA SHEET 4 OF 4 SHEETS DRAWN BY DID CANYON RIDGE DEVELOPMENT - TR. NO. 35060 FUGITIVE DUST MITIGATION PLAN (PM10) OB HOPE DRIVE ■ RANCHO MIRAGE ■ CA 92270 (760) 320 98ll ■ FAx (760) 323 7893 MICHELLE D. WITHERSPOON A.Q.M.D. CERTIFICATION # CV1705-0047484810 CHECLj KIDSY mw