29
WHUPLQDWLRQFDSVIRUDOOFRQFHQWULFWHUPLQDWLRQVPXVW
EH DW WKH VDPH KHLJKW PHDVXUHG IURP JURXQG 6HH
0XOWLSOH &RQFHQWULF 7HUPLQDWLRQ $UUDQJHPHQWV RQ
SDJH
'HWHUPLQH LI WKH FRQFHQWULF WHUPLQDWLRQ ZLOO QHHG WR EH
VKRUWHQHG WR DFFRPPDGDWH UHTXLUHG FOHDUDQFHV RU
WR HQVXUH DOO YHQW FDSV DUH WDW WKH VDPH KHLJKW ZKHQ
LQVWDOOLQJPXOWLSOHWHUPLQDWLRQVYHUWLFDOO\WKURXJKWKHURRI
LQWKHVDPHORFDWLRQ
6HH)LJXUHIRUWKHPLQLPXPOHQJWKVDOORZHGIRUWKHLQFK
FRQFHQWULFWHUPLQDWLRQ
Note::KHQVKRUWHQLQJWKHOHQJWKRIWKHWHUPLQDWLRQFDUHIXOO\
PHDVXUHDQGFXWWKHODUJHULQWDNHDLUSLSHILUVW&XW
WKHVDPHDPRXQWRISLSHRIIRIWKHVPDOOHUYHQWSLSH
Note:/HQJWKHQLQJRIWKH&RQFHQWULF9HQW7HUPLQDWLRQLVQRW
SHUPLWWHG
CONCENTRIC TERMINATION(S)
MUST BE A MINIMUM OF 10 FEET
(3 m) AWAY FROM ANY PARAPET,
VERTICAL WALL OR
STRUCTURE.
VENT PIPE
INTAKE AIR PIPE
6 INCH CONCENTRIC TERMINATION
FLAT ROOF CLEARANCE
Figure 24
CONCENTRIC TERMINATION INSTALLATION
&RQFHQWULF WHUPLQDWLRQV PXVW EH RUGHUHG VHSDUDWHO\
%7+ PRGHOV PXVW XVH WKH LQFK FRQFHQWULF
WHUPLQDWLRQIRUERWKYHQWGLDPHWHUV3DUW1XPEHU
&RQWDFW \RXU ORFDO GLVWULEXWRU RU FDOO WKH
SDUWVGHSDUWPHQWSKRQHQXPEHURQWKHEDFNFRYHURIWKLV
PDQXDOWRRUGHUFRQFHQWULFWHUPLQDWLRQV
'HWHUPLQHWKHORFDWLRQIRUWKHWHUPLQDWLRQ
NOTE: 5RRI WHUPLQDWLRQ LV SUHIHUUHG VLQFH LW LV OHVV
VXVFHSWLEOH WR GDPDJH KDV UHGXFHG FKDQFHV WR LQWDNH
FRQWDPLQDQWVDQGYHQWYDSRUVDUHOHVVYLVLEOH
:KHQ LQVWDOOLQJ D FRQFHQWULF WHUPLQDWLRQ YHUWLFDOO\
WKURXJK WKH URRI HQVXUH WKDW DOO H[WHULRU YHUWLFDO
FOHDUDQFH UHTXLUHPHQWV IRU WKH FRQFHQWULF WHUPLQDWLRQ
VKRZQLQ)LJXUHDQG)LJXUHRQSDJHDUHEHLQJ
PDLQWDLQHG 7KHVH FOHDUDQFHV DQG WKRVH FLWHG E\ ORFDO
DQGQDWLRQDOFRGHVPXVWEHPDLQWDLQHG
:KHQ LQVWDOOLQJ D FRQFHQWULF WHUPLQDWLRQ YHUWLFDOO\
WKURXJKDIODWURRIWKHWHUPLQDWLRQVYHQWFDSPXVWEHD
PLQLPXPRIIHHWPDZD\IURPDQ\SDUDSHWYHUWLFDO
ZDOORUVWUXFWXUHDVVKRZQLQ)LJXUH
NOTE:,IWKLVUHTXLUHGGLVWDQFHWRDSDUDSHWYHUWLFDOZDOO
RUVWUXFWXUHFDQQRWEHPDLQWDLQHGVWDQGDUGWHUPLQDWLRQV
PXVW EH XVHG 6HH 9HUWLFDO 7HUPLQDWLRQ ,QVWDOODWLRQ RQ
SDJH
:KHQ LQVWDOOLQJ D FRQFHQWULF WHUPLQDWLRQ WKURXJK D
VLGHZDOO HQVXUH WKDW DOO H[WHULRU VLGHZDOO FOHDUDQFH
UHTXLUHPHQWV IRU WKH WHUPLQDWLRQ VKRZQ LQ )LJXUH E
RQ SDJH DUH EHLQJ PDLQWDLQHG 7KHVH FOHDUDQFHV
DQG WKRVH FLWHG E\ ORFDO DQG QDWLRQDO FRGHV PXVW EH
PDLQWDLQHG
:KHQLQVWDOOLQJPXOWLSOHFRQFHQWULFWHUPLQDWLRQVYHUWLFDOO\
WKURXJKDURRIRUKRUL]RQWDOO\WKURXJKDVLGHZDOOHQVXUH
WKH UHTXLUHG FOHDUDQFHV EHWZHHQ WHUPLQDWLRQV DQG
JURXSLQJV RI PXOWLSOH WHUPLQDWLRQV DUH PDLQWDLQHG 6HH
SDJHVDQGIRUPRUHLQIRUPDWLRQ
&XWDLQFKFPGLDPHWHUKROHIRULQFKFRQFHQWULF
WHUPLQDWLRQVZKHUHWKH\ZLOOSDVVWKURXJKWKHZDOORUURRI
NOTE: %HZDUH RI FRQFHDOHG ZLULQJ DQG SLSLQJ ZKHQ
FXWWLQJWKURXJKWKHZDOORUURRI
:KHQ LQVWDOOLQJ PXOWLSOH FRQFHQWULF WHUPLQDWLRQV
YHUWLFDOO\ WKURXJK WKH URRI LQ WKH VDPH ORFDWLRQ WKH