HomeMy WebLinkAboutFile Documents.1350 Mountain View Dr.0300.2017 (44).ARBK123456789101112131415161718192021222324252627282930313233343536373839404142434445464748BCDEFG HIJKLCity 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 Area Plant Water Need(Sq. Ft.) (gal/season)A1Overhead 571 8471A3, A5Overhead 1286 11761A4Drip10 29A6Drip706 2033A7, A8Overhead 1435 13124A11Drip10 29A9, A10, A12, A13 Overhead 4767 70722A14Drip1164 3352A15Overhead 588 5378A17Drip63 779A18Drip156 449TOTAL10756 11612710.8448Sq. Ft. A2, A16Sq. Ft.Note: Project Applicant must complete this worksheet as it is a required element of the Landscape & Irrigation Documentation Package.1350 Mountain View Drive, Aspen, CO 81611Jane Lanter, Lift Studio: 970.404.5205Directions for UseFill 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 Water Budget = [(ETo x Plant Factor) ‐ Re] x Irrigated Area + Irrigation Efficiency x 0.623Reference EvapotranspirationHydrozones Efficiency Effective PrecipitationIrrigation EfficiencyHydrozone Plant Water Use Type(s) Plant Factor Irrigation Method Irrigation EfficiencyVH 0.90 0.75M 0.65 0.75L 0.40 0.90L 0.40 0.90L 0.40 0.90M 0.65 0.75VH 0.90 0.75L 0.40 0.90M 0.65 0.75Total area of irrigated public right‐of‐way: Total area of non‐irrigated landscape:AVERAGE IRRIGATION WATER NEED ‐ ALL ZONES* ‐ In gallons/sq. ft./season* The average must be less than the Maximum Applied Water Budget of 7.5 gallons/sq.ft./season.VH 0.90 0.90L 0.40 0.90Page 1 of 111/22/201711/22/2017Adjust Hydrozones toreflect comments onlandscape andirrigation plans.