50: LANDSCAPING AND IRRIGATION REQUIREMENTS
9.06 | Community Forestry |
12.04 | Water Regulations |
12.06 | Water Supply Shortage Conservation Plan |
12.18 | Water Quality Ordinance |
13.19 | Fire Prevention Standards |
County and City | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual ETo |
Orange | |||||||||||||
Fullerton | 2.7 | 2.7 | 3.3 | 4.6 | 5.3 | 5.7 | 6.0 | 6.0 | 5.2 | 3.4 | 2.6 | 2.0 | 49.7 |
Notes to Table:
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* The values in this table were derived from the California Irrigation Management Information System (CIMIS). Spatial CIMIS data by zip code based on the monthly average for zip codes in the city. | |||||||||||||
Irrigation Method | DULQ | DULH* | EU | IE** | |
Bubblers | 85% | 77% | |||
Drip emitter | 90% | 81% | |||
High efficiency spray nozzles | 70% | 82% | 73% | ||
Microspray | 75% | 85% | 76% | ||
Multi stream/Multi trajectory rotary (MSMT) nozzles | 75% | 85% | 76% | ||
Spray nozzles | 65% | 79% | 71% | ||
Stream rotor nozzle | 70% | 82% | 73% | ||
Subsurface drip | 90% | 81% | |||
Notes to Table:
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DU = Distribution Uniformity (the measure of the uniformity of irrigation water over a defined area) | |||||
*DULH = .386 + (.614)(DULQ) | |||||
** IE (spray) = (DULH)(IME) | |||||
** IE (drip) = Emission uniformity (EU)(IME) | |||||
§ 15.17.050(H) | Site development standards for R-1, R-1P, R-2 and R-2P Zone Classifications |
§ 15.17.070(G) | Site development standards for Multi-family and Mobile Home Zone Classifications |
§ 15.20.050(E) | Development standards for Planned Residential Development Zone |
§ 15.21.060 | Landscaping requirements for Specific Plan District |
§ 15.22.110 | Landscaping for Oil Overlay Zone |
§ 15.25.050 | Landscape requirements for Public Land Zone |
§ 15.30.050(G) | Site development standards for Commercial Zones |
§ 15.35.050(J) | Site development standards for Commercial Greenbelt Zones |
§ 15.40.40(G) | Site development standards for Industrial Zones |
§ 15.55.030(C)(2)(g) | Conditionally permitted special uses |
§ 15.56.130 | Improvement and maintenance of parking |
CERTIFICATION OF LANDSCAPE DESIGN I hereby certify that: (1) I am a professional appropriately licensed in the State of California to provide professional landscape design services. (2) The landscape design and water use calculations for the property located at (provide street address or parcel number(s)) were prepared by me or under my supervision. (3) The landscape design and water use calculations for the identified property comply with the requirements of the city’s Landscaping and Irrigation Requirements (Municipal Code Chapter 15.50). (4) The information I have provided in this Certificate of Landscape Design is true and correct and is hereby submitted in compliance with the city’s Landscaping and Irrigation Requirements. Print Name Date Signature License Number Address Telephone E-mail Address Landscape Design Professional’s Stamp (If applicable)
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Water Efficient Landscape Worksheet
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(See Worksheet Information and Equations for Additional Information) | ||
This worksheet is filled out by the project applicant and it is a required item of the Landscape Documentation Package. | ||
Reference Evapotranspiration (ETo)a: | Landscape Area Sector Type | |
(select one): | [ ] Residential | |
[ ] Nonresidential | ||
Hydrozone #/Planting Description | Location | Plant Factorb (PF) | Irrigation Methodc | Irrigation Efficiencyc (IE) | ETAF (PF/IE) | Landscape Area (sq. ft.) | ETAF x Area | Estimated Applied Water Used (EAWU) | |
Regular Landscape Area | |||||||||
Average | Total | Total | |||||||
Average ETAF for Regular In Not In Landscape Arease | |||||||
(circle one): Compliance Compliance | |||||||
Special Landscape Area | |||||||
SLA-1 | |||||||
SLA-2 | |||||||
SLA-3 | |||||||
SLA-4 | |||||||
SLA-5 | |||||||
Totals | |||||||
Total Landscape Area | |||||||
Site wide ETAF | |||||||
EAWU Total | |||||||
Maximum Allowed Water Allowance (MAWA)f | |||||||
Worksheet Information and Equations | |
a Local monthly evapotranspiration rates are listed in Table 15.50.035(A). | |
b The following table can be used for common plant factors | |
Plant Factor | PF |
High water use plant | 0.8 |
Lawn | 0.8 |
Low water use plant | 0.2 |
Medium water use plant | 0.5 |
Pool, spa or other water feature | 1.0 |
Very low water use plant | 0.1 |
c Irrigation efficiency is derived from measurements and estimates of irrigation system characteristics and management practices. The minimum average irrigation efficiency for purposes of these guidelines is 0.71. The following irrigation efficiency may be obtained for the listed irrigation heads with an irrigation management efficiency of 90% | |
Irrigation Method | IE |
Irrigation Method | IE |
Bubblers | 77% |
Drip emitter | 81% |
High efficiency spray nozzles | 73% |
Microspray | 76% |
Multi-stream/multi-trajectory rotary (MSMT) nozzles | 76% |
Spray nozzles | 71% |
Stream rotor nozzle | 73% |
Subsurface drip | 81% |
d Estimated Applied Water Use (EAWU) is the annual gallons required | |
EAWU = (ETo) x (0.62) x (ETAF x Area) | |
ETo | Annual evapotranspiration rate in inches per year |
0.62 | Factor used to convert inches per year to gallons per square foot |
ETAF | Plant factor ÷ irrigation efficiency |
e Average ETAF for regular landscape areas must be 0.55 or below for residential areas, and 0.45 or below for nonresidential areas. | |
f Maximum allowed water allowance (MAWA) is the annual gallons allowed | |
MAWA = (ETo) x (0.62) x [(ETAF x LA) + ((1-ETAF) x SLA)] | |
ETo | Annual evapotranspiration rate in inches per year |
0.62 | Factor used to convert inches per year to gallons per square foot |
ETAF | Plant factor ÷ irrigation efficiency |
LA | Total (site wide) landscape area in square feet |
SLA | Total special landscape area |
Landscape Installation Certificate of Completion
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I hereby certify that: (1) I am a professional appropriately licensed in the State of California to provide professional landscape design services for:___________________________________________________________________(project name, mailing address and telephone). (2) The landscape project for the property located at (provide street address or parcel number(s)) was installed by me or under my supervision. (3) The landscaping for the identified property has been installed in substantial conformance with the approved landscape documentation package and complies with the requirements of the city’s Landscaping and Irrigation Requirements (§ 15.50 for the efficient use of water in the landscape. (4) The following elements are attached hereto: (a) Irrigation scheduling parameters used to set the controller; (b) Landscape and irrigation maintenance schedule; (c) Irrigation audit report; and (d) Soil analysis report, if not submitted with landscape documentation package, and documentation verifying implementation of the soil report recommendations. (5) The site installation complies with the following: (a) The required irrigation system has been installed according to approved plans and specifications and if applicable, any prior approved irrigation system alternatives. _____ Yes No (b) Sprinklers comply with ASABE/ICC 802-2014 Landscape Irrigation Sprinkler and Emitter Standard. _____ Yes No (6) The information I have provided in this Landscape Installation Certificate of Completion is true and correct and is hereby submitted in compliance with the city’s Landscape and Irrigation Requirements (Chapter 15.50). Print Name Date Signature License Number Address Telephone E-mail Address Landscape Design Professional’s Stamp (If Appropriate) |
Irrigation Method | DULQ | DULH* | EU | IE** |
Irrigation Method | DULQ | DULH* | EU | IE** |
Bubblers | 85% | 77% | ||
Drip emitter | 90% | 81% | ||
High efficiency spray nozzles | 70% | 82% | 73% | |
Microspray | 75% | 85% | 76% | |
Multi-stream/multi-trajectory rotary (MSMT) nozzles | 75% | 85% | 76% | |
Spray nozzles | 65% | 79% | 71% | |
Stream rotor nozzle | 70% | 82% | 73% | |
Subsurface drip | 90% | 81% | ||
Notes to Table: | ||||
*DULH = .386 + (.614)(DULQ) | ||||
** IE (spray) = (DULH)(IME) | ||||
** IE (drip) = Emission uniformity (EU)(IME) | ||||