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_ L- 1 <br /> PARTS: <br /> A.HYDRANT ON EXISTING DISTRIBUTION MAIN. <br /> B. 2-1/2 IN CONTROL VALVE. <br /> LINE DRAINING ASSEMBLY LINE FILLING ASSEMBLY <br /> C. WA STATE APPROVED BACK FLOW PREVENTER <br /> 0 0 <br /> (DOUBLE CHECK VALVE ASSEMBLY). <br /> D. SUPPLY HOSE(CLEAN,DISINFECTED POTABLE WATER <br /> IIMiiiMi, 0 111I1 i 0 0 HOSE ONLY).SEE TABLE BELOW FOR DIAMETER AND <br /> MAXIMUM LENGTH. <br /> 18"MIN N — co E. DISINFECTANT INJECTION FITTING. <br /> 111.1-1 <br /> 6, I I F. SAMPLING TAP,1/2 IN HOSE BIBB,PLAIN END. <br /> 0 <br /> fI'1 <br /> z i@I�III�1111 G. CONTROL VALVE. <br /> `�� H. TEMPORARY CAP-FULL MECHANICAL RESTRAINT OR <br /> N 0 <br /> THRUST BLOCK REQUIRED. <br /> Ir• Y p,I _ I. FLUSHING DISCHARGE PIPE.CAP WHEN NOT IN USE. <br /> II I .I 7 I—:I 1 (1 j _ 1; I - I MAY REQUIRE DECHLORINATION.DO NOT ALLOW <br /> —1 1 i I 1 I ' . DISCHARGE TO DRAIN TO TRENCH. <br /> 1_ '1 El I Fit- <br /> ,,-,11' _ <br /> :a I i1 _�i a L;r REQUIRED FLOW&OPENINGS TO FLUSH PIPELINES* <br /> 1 Ir_ ( FLOW REQUIRED NUMBER OF TAPS *** <br /> I,i:: .__ PIPE TO PRODUCE ON PIPE** NUMBER OF 2 1/2" MAXIMUM <br /> _ DIAMETER 2.5 FT/S(APPROX.) HYDRANT OUTLETS LENGTH OF <br /> VELOCITY IN MAIN SIZE OF TAP,INCHES USING 2 1/2"DIA SUPPLY HOSE <br /> IN GPM 1 11/2 2 SUPPLY HOSE <br /> • <br /> 4 100 1 - - 1 500 <br /> 12" 6 200 1 1 100 <br /> MIN 8 400 - 2 1 2 100 <br /> 10 600 3 2 2 100 <br /> `IDmI I � 12 900 - - 2 2(3"DIA HOSE) 100 <br /> o I !1 IIu *WITH A 40-PSI PRESSURE IN THE MAIN AND THE HYDRANT FLOWING TO ATMOSPHERE,A 2-1/2 IN. 64MM <br /> 11: I ,J _ HYDRANT OUTLET WILL DISCHARGE APPROXIMATELY 1000 GPM;AND A 4-1/2 HYDRANT OUTLET WILL ) <br /> 3 -1 1 I-1 I I 1 1 1,j 1 1 1 DISCHARGE APPROXIMATELY 2500 GPM. <br /> 0 0 **NUMBER OF TAPS ON PIPE BASED ON DISCHARGE THROUGH 5 FT OF GALVANIZED IRON(GI)PIPE WITH ONE <br /> f 90'ELBOW. <br /> 'o <br /> NEW WATER MAIN ***ALTERNATE HOSE DIAMETERS AND LENGTHS MAY BE USED IF CALCULATIONS SUPPORTING THEIR USE ARE <br /> E' PREVIOUSLY APPROVED BY THE CITY UTILITIES DEPARTMENT. <br /> P <br /> a CITY OF EVERETT <br /> My <br /> ,e <br /> PUBLIC WORKS DEPARTMENT <br /> w RYAN SASS I R.MEFfI 1 PAUL4/IIHELM I rAK 0416712017 <br /> $o SAMPLING AND <br /> ,Fa <br /> FLUSHING ASSEMBLIES 526 <br /> 1 1 <br /> as a s as - a r - all all all a an r a a - as as <br />