HomeMy WebLinkAboutX2020-0568 - LandscapeIrrigation Inspection Affidavit
Project Name: Braccia Residence 200 Orchid Ave. CORONA Del Mar CA.
Irrigation Plan Designer: Water Right Design 949.440.1030
Field Inspector : __Michael McMillen_BPL Irrigation Auditor_ 714.394.6126____ _
This project was inspected within the limits of customary access for compliance with the approved
irrigation plans on file in City Planning. At least two (2) inspections were conducted. The findings are as
follows.
Date Inspection: 12/16/2022
A. Inspections during construction to check mainline in open trench: Yes No
1. Location of mainline conforms to as-built plan _X_ ___
2. Size of main line conforms to plan _X_ ___
3. Depth of mainline conforms to plan _X_ ___
4. Main line conditions is undamaged _X_ ___
5. Main line pressure tested with water and meter to check for visible leaks _X_ ___
6. Specific observations attached if needed _X_ _ _
Date Inspection: 12/18/2022
B. Inspections after completion of system installation prior to sodding: Yes No
1. Irrigation POC has isolation valve _X_ ___
2. System components (i.e., controller, backflow, rain sensor, etc.) _X_ ___
3. Drip line GPH and spacing as specified _X_ ___
4. System activated for observation of compliance _X_ ___
5. Each station complies installed per plan _X_ ___
6. Matched precipitation rates provided by zone _X_ ___
7. As-built plan provided to owner _X_ ___
8. Specific observations attached as needed _X_ ___
Summary of irrigation review:
THE IRRIGATION SYSTEM IS IN COMPLIANCE. SEE THE ATTACTED PUNCH LIST ITEMS REQUIRED FOR A
CERTIFICATION OF COMPLETION. THESE ITEMS MAY BE COMPLETED DURING THE 90 DAY MAINTENACE
PERIOD. THE OWNER / DEVELOPER WILL DETERMINE WHEN THE MAINTENACE PERIOD WILL BEGIN.
I hereby certify that I am qualified to submit this irrigation inspection affidavit based on the qualification
indicated below: Certified Landscape Irrigation Auditor Certified by The Irrigation Association.
LANDSCAPE IRRIGATION AUDIT REPORT
PROJECT NAME: Braccia Residence 200 Orchid Corona Del Mar, CA
Landscape Architect: Water Right Design 949.440.1030
CERTIFIED LANDSCAPE IRRIGATION AUDITOR (CLIA)
BIG PICTURE LANDSCAPE
Michael McMillen / 714.394.6126 / Bigpicturelandscape@gmail.com Certified Irrigation Auditor #014256
All of the hydrozones on the irrigation systems were evaluated with a visual inspection. As per your request,
we evaluated the irrigation systems in accordance with the California Model Water Efficient Landscape
Ordinance (MWELO).
SUMMARY
This audit was conducted to inspect the overall site irrigation systems within the limits of construction. The
irrigation systems are new systems utilizing POTABLE water.
IRRIGATION PLANS:
Each hydrozone identified on the plans were executed in the field, (Total valve qty. 11). Each system layout,
components and functionality have met all the requirements of the Irrigation Plans.
MWELO:
The California Model Water Efficient Landscape Ordinance has been adopted by the City as the standard for
new construction and irrigation installations based on AB1881.
UNIFORMITY:
The overhead spray lawn areas were operational with the controller, low efficiency nozzles installed and a 24”
drip line buffer edge adjacent to paving. Since the dripline is subterranean and the planting material is already
installed and would be damaged if the dripline were unearthed, a drip catch can test was not performed. In
lieu of the catch can test, the standard 90% efficiency for pressure compensating drip & low-flow irrigation per
the Irrigation Association’s Landscape Irrigation Auditor, 3rd edition book was used for the report.
Shrub ZONES / STATION A1-A11
· Irrigated Area: Zones separated based on Full sun South/ West side of project.
· Plant Material: Shrubs - Low water
· Plant Condition: Traditional
· Microclimate: Full Sun
· Soil Category: Silty Clay Loam
· Root Depth: Approximately 6-10”
· Slope: Overall site 1%
· Compaction: yes
· Runoff: No runoff observed
· Standing Water: None observed
· Hydrozone Separation: Yes
· Mulch in Beds: Yes
· Pressure Regulation: Not required / Isolation valve installed per plan
· Controller: Hunter PHC-12 / WR-CLIK controller and wireless weather sensor / rain shutoff
· Valves: RB PEB Installed on S,E side rear corner / Front W side of house.
· Emitter Type: RB XFS 6-12 (.6 gph @ 12” o.c. row spacing @ 12”-18” o.c.) RB 1401 / RWS
· Max Flow: 4.2 GPM
· Distribution Uniformity: .90 / .77
· Precipitation Rate: 0.6 / 1.58
Punch list Items: 12/16/2022 (Compliance based on the following corrects during the maintenance period)
Zone Audit Conclusion: PASS, project IS within compliance to begin maintenance.
The irrigation systems were evaluated and based on the Irrigation Association Audit rules/guidelines and
MWELO requirements.