HomeMy WebLinkAbout2016-08-30 J-Berd Annual Backflow Preventers Test Report - Lawn Irrigation RECEIVED
O
�' ERD ANNUAL TEST SFP — 1 2016
11` �►�BBACKFLOW PREVENT RS
,J Mechanical Contractors, Inc.
U City of Oak Park Heights
AM PM
Customer Oak Park Senior Living
Street Address 13936 Lower 59th St. N, Oak Park Heights MN 55082
Mailing Address
Property Owner Oak Park Senior Living
Mailing Address 13936 Lower 59th St. N,Oak Park Heights MN 55082
Location of Assembly Mechanical room at water service
Type of Assembly RPZ Size 2"
Manufacturer Wilkins Model 975XL Serial 3438553
CHECK VALVE#2 CHECK VALVE#2 PRESSURE
CHECK VALVE#1 RELIEF VALVE TEST#1 TEST#2 VACUUM
BACK PRESSURE CONFIRMATION BREAKER
Air inlet psi
Leaked Opened at —Leaked _Leaked Did not open❑
H
Closed tight psi Closed tight _Closed tight
Check valve
Differential pressure DDid not open Differential pressure Differential pressure Held atsi
across check valve across check valve across check valve Leaked
psi psi psi
2 Cleaned only �/Cleaned only ElCleanedonly Cleaned only ❑Cleaned only
Replaced: — Replaced: Replaced: Replaced: Replaced:
rubber kit rubber kit rubber kit rubber kit rubber kit
CV assembly CV assembly CV assembly CV assembly CV assembly
o-rings diaphragm(s) o-rings o-rings disc,air in
seat seat seat seat disc,CV
— —
spring spring spring — —spring spring,air in —
stem/guide guide stem/guide stem/guide spring,CV
retainer lock nuts retainer retainer retainer
lock nuts other lock nuts lock nuts guide
other other other o-ring
other
Differential pressure Opened at Differential pressure Differential pressure Air inlet psi
across check valve 3.2
across check valve across check valve
7.2 psi psi Check valve psi
7.0 psi 2.0 psi
Building Pressure 60 psi
NOTE: ALL REPAIRS SHALL BE COMPLETED WITHIN 10 DAYS.
Remarks Lawn irrigation, cleaned only
I hereby certify that this date is accurate and reflects the proper operation and maintenance of the assembly.
Tester's Name Rondo Ihde Cert.# 061588-BF
Tester's Signature iS cry'.c673 ( n..Q.� Date 08/30/2016
Time 9:00 am