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2" SCREENED GOOSENECK VENT <br />w <br />� <br />m <br />Q <br />� <br />Q <br />> <br />z <br />� <br />� <br />� <br />O <br />° d <br />..a • <br />..a <br />a <br />a. <br />. ��a <br />a <br />a� <br />.a <br />NEENAH CASTING R-1758—E <br />(FROST RETARDANT CASTING) <br />OR EQUAL � <br />d � . <br />9 <br />. Q ' . <br />48�� d <br />a. <br />� � <br />,_ CHIMNEY SEAL <br />AROUND RINGS <br />i <br />4"-12" CRETEX <br />PRO—RING 40-27 <br />STEPS AS PER <br />SPECIFICATIONS <br />1f2" SHUT OFF VALVE � <br />a� <br />QUICK DISCONNECT . WALLS TO BE <br />COUPLING ° CONSTRUCTED OF <br />� PRECAST SECTIONS <br />BACK FLUSHING WITH CX4 JOINTS <br />HOSE <br />AIR & VACUUM VALVE � <br />(APCO MODEL 400) �. ° <br />1" BLOW OFF VALVE <br />2" SHUT OFF VALVE <br />.a � 24" � <br />a �� . � a . . . <br />a.. ..a. e a a . a <br />a <br />a . . <br />� CRUSHED ROCK <br />MANHOLE SLAB SHALL BE CRETEX TYPE II <br />� <br />STANDARD AIR RELIEF MANHOLE <br />R E V: 2/2023 <br />STANDARD <br />PLATE <br />N0. <br />4005 <br />