HomeMy WebLinkAboutFile Documents.211 W Hopkins Ave.0078-2021-BRES (56) Irrigation Performance Audit
The City of Aspen Water Efficient Landscaping Standards (WELS)
(WELS- effective 1.1,19)
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Property Address: III �� dveke/N5-
Property Owner: //��
Owner's Representative: /4t'g AtAiil%/A./( ,�' ���e �l��iPf.�e ec.J -7T
Name of Certified Auditor,with Credentials '7//..h."--"/S.S G-[_
Date Audit Performed: /zt cdc:, .,3 Weather Conditions: 6v62c41- -4 a
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(WELS Section 5.7.3 a-e)
a. INSPECTION DETAILS
• Summary Description of Irrigation System Inspection.All zones should be operated to
confirm appropriate area of application:
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b. SYSTEM TEST with DISTRIBUTION UNIFORMITY(DU) Note:The auditor may elect to perform
DU tests on one-third to one-half of the zones to get an average value that could be applied to
all zones that are identical i.e., same sprinkler head, nozzle, spacing, and operating pressure.
• All Turf Areas ?-/
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• At least 10%of other overhead zones or well-represented collection of
zones: '%�Si -01. E,14/,�G i e i,vi i & €
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Drip Irrigation System Testing(it's not practical to test the DU of drip irrigation systems therefore
testing should focus on site evaluation and pressure testing)
o Pressure at beginning of zone: (include zone number) OR/P
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o Pressure at end of zone: (include zone number)Db,,/0SsdeE �i/LL /., L45
o Variance between zone pressure readings in percentage: AI/4 3.gfs/
(If more than 20%variance, address the issue in the TUNE-UP/PUNCH LIST
RECOMMENDATIONS section below.)
c. OVERSPRAY/RUNOFF REPORT:
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d. IRRIGATION SCHEDULE for irrigation controller's configuration, including: Application Rates,Soil
Types, Plant Factors, Slope, Exposure, and Other Factors necessary for accurate controller
programming (the Irrigation Schedule can be submitted in spreadsheet format):
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NOTE: The auditor shall provide a summary irrigation schedule that complies with the requirements
of Section 5.7.3 (d), as described above. The applicant is required to submit a more comprehensive
irrigation schedule with the Approval Letter, which addresses all the criteria described in WELS
Section 5.5.
e. TUNE-UP/PUNCH LIST RECOMMENDATIONS (any missing components required by WELS such
as flow sensors, lockable master valve, backflow prevention devices, rain sensors, etc. can be
listed re) :11..✓/gi2O ,%2 5 ® J wa s ( ô' &e
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(WELS Section 5.7.4)
WATER BUDGET CALCULATIONS ADJUSTMENT
o Average Irrigation Water Need on WELS-approved plans:4 gal/season/SF
o Average Irrigation Water Need at time of irrigation audit.y4gal/season/SF
NOTE: The entire water budget worksheet is not required on the audit report, unless requested
by City of Aspen Parks or Utilities Depts.
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Auditor's sig aturc _ Date: / • / o o35.
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Irrigation Audit Approval Letter as per Water Efficient Landscaping Standards
Ifor WELS approvals after 1.1.19)
Date: ,2c2. •5T cW 23
Project Name: '// L.J. kla74=k/tit/S.
Project Address: 0,0/ cf./ J ,"&&AJ5
CoA Building Permit Number:
Project Applicant Name:
Applicant Address: Phone:
Property Owner Name:
Address: Phone:
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
I hereby certify that the irrigation system has been installed per the approved irrigation design plan:
Name of the qualified irrigation design professional*: Zaw,4
Si ature: •
*The irrigation system must be designed by a qualified irrigation design professional such as a licensed
landscape architect with irrigation credentials, certified irrigation designer,or certified/licensed landscape
contractor with irrigation credentials(see Section 5.3.1 (h ii)of the Standards). City Staff may require proof
of irrigation professional's qualifications.
Required Attachments to this Letter:
1) Record drawings (as-builts) in electronic format that show all changes from the approved plans.
2) A diagram of the irrigation system showing hydrozones and the irrigation scheduling
parameters used to set the controller that will be kept with the irrigation controller for
subsequent management purposes.
3) An irrigation system maintenance schedule.
4) Irrigation audit report, including a punch list of recommendations.
5) Water Budget worksheet(if required by City Staff)
FOR CITY OF ASPEN USE ONLY
Irrigation Audit Approval Letter approved by:
Signature:
Date:
Irrigation Audit Approval Letter denied by:
Signature:
Date:
See the following information for re-application, appeal, or assistance, if necessary: