6-4.3NOTES. EOR; ~CUf~LE DETECTOR CHECK VALVE ABSEMBI.Y ~DOCVA~ IN~T~,LLA`1-ION
1. IN~TALI,~TION ~~ THE APPR~VEd ~ACKFLOW AB~BMBLY SI-IALL BE IN ACC~RaANCE
WITH THE ACCEPTED P~OOEaURE AND ERACTICE fN CROSS-CDNNECYION CO~JTPC~L''
MANUAL, ~~' THE Cf~0~5-CpN~ECTI~N CCNT~OL C~MfvIITTEE, PACIFIC N,W, ~ECTICN
~~ THE A,W.W.A., MAY 1 ~~~, 5TH EDITf~N MANUAL OR CUR>~BNr ADDITION.
~, BACKFLUW A~EMBLY MUST BE ~~LECTE~ FROM WA~HINCTCN STATE t~EpARTMENT ~F
HEALTH LIST CI< BACK~'LOW P~EVENTI~N AS~EMf3LIE~ APpI~OVE~ FQ~ IN~TALLAT'ICN
!N WASHINGTON STATE, LATEST EDITION,
~, UPUN IN~TALLATICN C~ THE APPfROVED ~ACKF'l,~W A~~EMBLY, ~ANf~ YEAF~LY
TNEPEAFTER}, THE ASSEMBLY SHALL ~~ TE~TEG BY A WA~HINCT~fV STATE CERYII<IEG
BACKFLOW A~~EM~LY~ TESTER, WHO SHALL PF~OMPTI~Y FORWARD THE TEST RESULT
TO: fiHE CITY OF YEI,Mt WATEP DEPARTMENT, PRIOR TU OCCUPANCY.
4. DOUBLE DETECTQF~ CHECK VALVE A~SEMBf~Y ~~ c~ Y GATE VALVES SHALL HAVE
SLJPEf~VISEa TAMPED ~WITCHE~.
~. ALL ELECTRICAL SHALL BE IN~PEC~'ED RY By A WA~BINGTON STATE ELECTRICAL
IN~PEOTOI~,
~, D~CVA MIST BE F'URCHASEa A~ A UNfT, N~ MODIF'ICATION~ TO A~SEfvfBl~Y AR'E
ALLOWED,
7. WATER METER SHALL BE A ROC~CWELL ~R-~ f OF OP AN APpROVEb EQUAL
READING IN CUBIC FEET,
~, PIPE ~UPP~PT~ SHALL ~E PUNT-PROTECTED 1NfTH ALUMINUM PAINT.
~. THE EIRE f~EPAf~TMENT CONNECfiION SHALL ~E LOCATEa WITHIN 1 ~ FEEfi OF A
FI>~E HYdI~ANT BUT NOT LITS~ THAN 10 FEET,
1 ~. WHEN Of~CwA I~ LOCATEa WITHIN A BUILDING, THE BALL GRIP ~I-IALL DRAIN TC~ THE
NEAREST APPROVED CATCH EA~lN.
~ 1, A 2" DLOWOFF ABSEfvI~LY f~ I~E~I~IREG WH~~I THE DOUBLE DETECTOR CHECK VALVE
ASEMDLY !~ LOCATED FURTHER THAN 1$ FROM THE LOOPED WATER LINE SUPPLY.
c
CITY QF YELM
DEPT. QF PUBLIC WDRKS
DQUBI~E DETECTOR
CHECK 1/ALVE f~OTES
APPRQV bWG Nt7.
~*u„
PUBLIC WORKS DIRECTOR DATE ~ - 4, 3
DDS. DWN. CKD. DATE
~5 JAG TP 4/20g7