DuraVent DuraStack Installation - Manual (Page 8)

NOTE:.DIAGRAMS.&.ILLUSTRATIONS.ARE.NOT.TO.SCALE.
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TERMINATION HEIGHT
Chimneys.and.vents.shall.terminate.above.the.roof.level.in.accordance.
with.the.following.requirements:
1.. .Five.feet.above.the.roof.level.or.any.adjacent.flat.roof,.wall.parapet.
or.air.intakes,.and/or.in.accordance.with.the.following.NFPA.211.
requirements.
2.. .Where.chimney.terminates.at.less.than.10.feet.from.any.adjacent.
ridge,.wall.or.parapet,.the.chimney.shall.terminate.at.minimum.of.3.
feet.above.the.ridge,.wall,.or.parapet.
3.. .Where.chimney.terminates.at.more.than.10.feet.from.ridge,.wall,.or.
parapet,.a.minimum.height.of.2.feet.shall.be.required.above.the.ridge.
wall.or.parapet.
MULTI-ENGINE EXHAUST SYSTEMS
A.common.exhaust.system.for.multiple.engine.or.turbine.installations.
is.generally.not.recommended..A.separate.exhaust.system.should.be.
provided.for.each.engine.or.turbine.
Check.with.your.engine.or.turbine.manufacturer.prior.to.common.ex-
haust.system.design..Exhaust.gas.from.operating.units.tends.to.flow.to.
non-operating.units.where.condensation.may.form..WATER IN ENGINE
OR TURBINES AT START-UP MAY CAUSE DAMAGE. IN GENERAL,
A SEPARATE EXHAUST SYSTEM SHOULD BE PROVIDED FOR EACH
ENGINE OR TURBINE.