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Safety and environmental standards for fuel storage sites
Final report
52
Figure 10
Detail for a sealed sleeve upgrade option
206 For sleeved penetrations, it may also be possible to seal between the sleeve and pipe using a
proprietary (product and fire resistant) compression seal ring.
Table 3
Pipe penetrations
Existing Pipe Penetrations
Design Arrangement sketch Fire and product
resistant sealants
Acceptable
standards
Required
upgrade
BSTG Design
BSTG
design
Not applicable –
design inherently fire
and product resistant
Acceptable and
good practice for
existing plant; best
practice for new
build
No upgrade
required
Ensure product
pipe is externally
protected against
corrosion – coated
or wrapped
Puddle Flange
Arrangement
Puddle
flange
Not applicable –
design inherently fire
and product resistant
Acceptable for
existing plant but
with inspection
and maintenance
regime
No upgrade
required
Fire resistant sealant and
intumescent expansion
joint system and flexible
backing rod
Metal split fire
protection plates
(removable)
Sleeve pipe
Existing pipe
Fire resistant sealant and
flexible backing rod
Existing bund wall
INSIDE BUND
OUTSIDE BUND