HomeMy WebLinkAboutFile Documents.121 E Hyman Ave.0149.2018 (33).ARBK12345678910111213141516171819202122232425262728293031323334353637383940414243444546BCDEFG HIJKLMCity of Aspen Water Efficient Landscaping Ordinance City of Aspen Parks and Recreation Dept. Pre‐Submission Packet Completeness Review 585 Cemetery Lane Aspen, CO 81611WATER EFFICIENT LANDSCAPE WORKSHEET ‐‐ WATER BUDGET ANALYSIS970‐920‐5582Address:Contact Info:CALCULATING GALLONS OF WATER NEEDED BY PLANT CATEGORY AND IRRIGATION TYPEThe specific irrigation water needs of each hydrozone in the design should be determined using the following formula and factors:Where:ETo = Reference Evapotranspiration in inches/season (May ‐ Sept.)Re = Effective Precipitation in inches/season (May ‐ Sept.)27.4inches/yearIrrigated Area = Hydrozone Area in Square Feet17.1gallons/square footWater Use Category Plant Factor Code6.8inches/yearCool Season Turf 0.90 VH4.2gallons/square footHigh 0.80 HMedium 0.65 MLow 0.40 L Irrigation MethodDefault EfficiencyVery Low 0.25 VL Overhead 75%Drip90%HYDROZONE WATER BUDGET CALCULATIONComplete the hydrozone table for each hydrozone. Use as many rows as necessary to provide the square footage of landscape are per hydrozone.Hydrozone AreaPlant Water Need(Sq. Ft.) (gal/season)A1 Overhead 169 2507A2 Overhead 325 2972A3 Drip 81 617A4 Drip 320 2439A5 Drip 13 99TOTAL908 86359.5169Sq. Ft. (Budget is 8.3 if ROW is excluded)0Sq. Ft.M0.90Plant Water Use Type(s) 0.650.90M 0.65 0.75Fill in these blue sections below. Some columns have drop down menus to assist you in filling out. The formulas will calculate the site average annual water use. Once completed you may either attach this document to the submital packet or insert it into the design set. Irrigation EfficiencyEffective PrecipitationIrrigation Water Budget = [(ETo x Plant Factor) ‐ Re] x Irrigated Area + Irrigation Efficiency x 0.623AVERAGE IRRIGATION WATER NEED ‐ ALL ZONES* ‐ In gallons/sq. ft./season0.90M0.65Plant FactorTotal area of irrigated public right‐of‐way: 0.90Hydrozone Directions for Use121 EAST HYMAN AVE, ASPEN, CO 81611* The average must be less than the Maximum Applied Water Budget of 7.5 gallons/sq.ft./season.MNote: Project Applicant must complete this worksheet as it is a required element of the Landscape & Irrigation Documentation Package.Jane Lanter, Lift Studio: 970.404.5205Reference EvapotranspirationHydrozones EfficiencyTotal area of non‐irrigated landscape:0.65Irrigation Method Irrigation Efficiency0.75VHPage 1 of 1