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Home My WebLink AboutX2019-0285 - Misc (5)oolq- Gags CERTIFICATION Water Efficient Landscape Ordinance Irrigation Audit Proiect Narhe: 433 Isabella Terrace Address: 433 Isabella Terrace City, State Newport Beach, CA 92625 This is to acknowledge that an irrigation audit has been performed in accordance with the Water Efficient Landscape Ordinance. Observable components of the irrigation system installation and their operation were acceptable as is generally found in similar irrigation projects. The audit results found that the contractor met the criteria and irrigation specifications of the approved Landscape Documentation Package. The Estimated Total Water Use calculated for the irrigation system meets the Maximum Applied Water Allowance requirement and will continue to do so as long as the irrigation system is properly maintained and managed. Signature P446A Date: November 18, 2021 Name (print): ayne Graf Phone: 760-579-9611 cell Email: grafirrigation@cox.net Certification ID #: 41834 Certified Landscape Irrigation Auditor (CLIA) Certified Landscape Water Manager (CLWM) Company: Graf Irrigation Services Title: Owner Address: 228'Monarch Way, Oceanside, CA 92057 Model Water Efficient Landscape Ordinance Irrigation Audit Project: 433Isabella Terrace Address: 433 Isabella Terrace Date: 11/18/21 City,State: Newport Beach, CA 92625 Auditor: Wayne Graf CLIA # 41834 Page 1 of 6 Water Source Data and Equipment Verification Water Source: X Potable Reclaimed Well Pond Other oaua"Uw: I Anti -siphon valves are installed for backflow Dreventinn Controller: Manufacturer: Hunter Model: Pro-HC Serial Number: Mounting: X Wall 1 IPeclestal Other Options in use: Central Control Yes X No Smart Controller X Yes No 2-Wire Option Yes X No Cycle/Soak Yes X No Rain Delay Yes X No Weather Sensor Flow Monitoring X Yes Yes X No No Weather data provided through Hydrawise Master Valve X Yes I lNo Radio Remote X Yes No Accessible through wireless device Manufacturer: Weather data provided through Hydrawise Model: Serial Number: Water Efficient Landscape Ordinance Irrigation Audit Project: 433 Isabella Terrace Date: 11/18/21 Address: 433 Isabella Terrace Auditor: lWayne Graf City,State: Newport Beach, CA 92625 JCLIA# 141834 Page I2 of 6 Site Components Installation and Operation (✓or P) Pass (F or X) Fail (NA or-) Not Applicable Component Installation Operation Programmed Final Controller ✓ ✓ ✓ P Controller Grounding Controller Enclosure Communication modem Antenna(s) Water Meter (source) Irrigation is supplied by house meter Irrigation Sub -meter Not required. Less than 5000 sq ft of irrigated landscape. Backflow Anti -siphon valves are installed for backflow protection Wye Strainer Pressure Regulator Backflow Enclosure Booster Pump Booster Pump Enclosure Isolation Valve(s) ✓ ✓ P Master Valve ✓ ✓ ✓ P Flow Sensor Not required. Less than 5,000 sq ft of irrigated landscape. Weather Sensor/Rain Weather data provided through Hydrawise Soil Moisture Sensor - Radio Remote Wireless device can be used to operate controller remotely Basket Strainer Test Station Fertilizer Injector Water Efficient Landscape Ordinance Irrigation Audit Project: 433 Isabella Terrace Date: 11/18/21 Address: 433 Isabella Terrace Auditor: Wayne Graf City,State: Newport Beach, CA 92625 CLIA # 41834 Page 3 of 6 Irrigation Schedule - ESTABLISHMENT PERIOD # I A-1 I B-2 1 2 3 4 5 6 7 8 9 30 11 12 13 14 15 16 17 18 19 20 21 22 23 24 n Station # I A-1 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 Note: Adjust irrigation schedule at the end of the establishment E-5 I F-6 I G-7 Water Efficient Landscape Ordinance Irrigation Audit Project: 1433 Isabella Terrace I Date: 11/18/21 Address: 1433 Isabella Terrace Auditor: Wayne Graf City,State: Newport Beach, CA 92625 ICLIA # 141834 Page 4 1 of 6 Installation and Operation (✓or P) Pass (X or F) Fail (NA or-) Not Applicable 1 1 2 3 4 5 6 7 8 9 10 11 12 Plant Type (T,P, Tr, GC) S S S S X S S Irrigation Type (S,R,B,MS,D) D D D D X MS MS Valve Installation ✓ ✓ ✓ ✓ ✓ ✓ ✓ Valve Operation ✓ ✓ ✓ ✓ - ✓ ✓ Valve IDTag - - - - C _ - Valve Box Installation - A Valve Box ID - P Quick Coupler Valve - P Waterproof Wire Splice ✓ ✓ ✓ ✓ E ✓ ✓ Valve Leak ✓ ✓ ✓ ✓ p ✓ ✓ Sprinkler/Riser Installation N ✓ ✓ Crooked Sprinklers/risers O ✓ ✓ Sprinkler Spacing (head -to -head) T ✓ ✓ Matched Precipitation Nozzles ✓ ✓ Correct Nozzles/Bubblers/Emitters I ✓ ✓ Spray arc alignment N ✓ ✓ Clogged nozzle/emitter ✓ ✓ Low Head Drainage u ✓ ✓ S High Pressure ✓ ✓ ✓ ✓ E ✓ ✓ Low Pressure ✓ ✓ ✓ ✓ ✓ ✓ Overspray ✓ ✓ Runoff ✓ ✓ ✓ ✓ ✓ ✓ Standing Water ✓ ✓ ✓ ✓ ✓ ✓ Mainline Pipe Leak ✓ ✓ ✓ ✓ ✓ ✓ Lateral Pipe Leak ✓ ✓ ✓ ✓ ✓ ✓ Sprinkler Leak ✓ ✓ Nozzle Leak ✓ ✓ 2-Wire Cable 2-Wire Decoder 2-Wire Grounding/Surge Protection Dripline Installation ✓ ✓ ✓ ✓ Drip Indicator Drip Filter ✓ ✓ ✓ ✓ ✓ Pressure Regulation ✓ ✓ ✓ ✓ ✓ Flush Valve - Flush Valve Box ID - Air Relief Valve - Air Relief Valve Box ID - Emitter Installation ✓ ✓ ✓ Dripline Leak ✓ ✓ ✓ ✓ Soil Moisture Sensor _ FINAL P P P P P P P Water Efficient Landscape Ordinance Irrigation Audit Project: 433 Isabella Terrace Date: 11/18/21 Address: 433 Isabella Terrace Auditor: Wayne Graf City,State: Newport Beach, CA 92625 CLIA # 41834 Page 5 of 6 Hydrozone Table Controller Hydrozone Valve Irrigation Plant Hydrozone # # Type* # Method** Factor (PF) Area (sq.ft.) % A 1 MWU 1,2,4 DRIP 0.5 1,580.0 29.8% A 2 LWU 3 DRIP 0.3 75.0 1.4% A 3 MWU 6,7 ROTATOR 0.5 1,139.0 21.5% A 4 ARTTURF NONE 2,513.0 47.4% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% Total 5,307.0 100.0% Hydrozone* VLWU = very low water use LWU = low water use MW = moderate water use HW = high wter use Irrigation Method** MS = micro -spray S = spray MSR = multi -stream rotator R = rotor B = bubbler D=drip 0 = other Special Landscape Area (sq. ft.) Recycled Pool Spa Fountain Other Total 0 Water Efficient Landscape Ordinance Irrigation Audit Project: 433 Isabella Terrace Date: 11/18/21 Address: 433 Isabella Terrace Auditor: Wayne Graf City,State: Newport Beach, CA 92625 CLIA # 41834 Page 6 1 of 1 6 MAWA and ETWU Calculations Reference Evapotranspiration ET) 44.9 Hydrozone Category (a) PF- Plant Factor Irrigation Method (b) IE-Irrigation Efficiency ( c ) Very Low Water Use 0.0 - 0.1 Filler Pipe 1.00 Low Water Use 0.2 - 0.3 Drip/Subsurface 0.81 Moderate Water Use 0.4- 0.6 Bubblers 0.81 High Water Use 0.7 - 1.0 Rotors 0.75 Rotators 0.76 Overhead Spray 0.75 ETWU (d) = ETo x 0.62 x ETAF x Area MAWA = (Eto)(0.62)((ETAF xLA)+((1-ETAF)xSLA)) ETo - Evapotranspiration rate LA - total landscape of all hydrozone areas-sq.ft. 0.62 - conversion factor to gallons per sq. ft. SLA -total landscape area in sq ft ETAF - Plant Factor/Irrigation Efficiency ETAF - 0.55 for residential areas Area - Landscape Area for each hydrozone ETAF - 0.45 for non-residential areas Hydrozone (a) PF Irr Type IE ETAF Landscape Area ETAF x LA ETWU MWU DRIP 0.5 DRIP 0.81 0.62 1,580 975 27,151 LWU DRIP 0.3 DRIP 0.81 0.37 75 28 773 MWU ROTATOR 0.5 ROTATOR 0.76 0.66 1,139 749 20,860 ART TURF (FUTURE) 0 none 0.00 0.00 2,513 0 0 0.00 0 0 0.00 0 0 0.00 0 0 0.00 0 0 0.00 0 0 0.00 0 0 0.00 0 0 0.00 0 0 TotalIE 2.38 Totals 5,307 1,752 48,784 Special Landscape Areas SLA 1.00 0 0 0 Totals 0 0 0 Estimated Total Water Use (ETWU) Total 48,784 Site ETAF 0.55 Maximum Applied Water Allowance (MAWA) 81,255 Hydrozones (city) 1 3 Irrigation Efficiency (IE) Average 0.79 ETAF CALCULATIONS Regular Landscape Areas Totals All Landscape Areas Totals Total ETAF x Area (B) = 1,752 Total ETAF x Area (B+D) = 1,752 Total Area (A) = 5,307 ITotal Area (A+C) = 5,307 Average ETAF (B)/(A) = 0.33 ISite wide ETAF I (B+D)/(A+C) = 0.33 ETWU is less than or equal to MAWA and complies with WELO requirements