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28
is
not
more
than
the
appropriate
value
specified
in
G.2.3
or
G.
2.4;
and/or
2)
in
HHP
and
HHS
installations
designed
using
Tables
G11
to
G14;
p
f
+
p
d
+
p
s
is
not
more
than
the
residual
pressure
available
at
the
control
valve
set
from
the
water
supply
when
it
is
tested
at
the
appropriate
flow
rate;
where
P
d
is
the
pressure
at
the
design
point
specified
in
Tables
8
or
as
appropriate,
in
bar;
p
f
is
the
frictional
pressure
loss
in
the
distribution
pipework
between
the
design
point
and
the
control
valve
'C'
gauge,
in
bar;
p
h
is
the
static
pressure
between
the
level
of
the
highest
design
point
on
the
floor
concerned
and
the
level
of
the
highest
design
point
in
the
top
storey,
in
bar;
p
s
,
is
the
static
head
loss
owing
to
the
height
of
the
highest
sprinkler
in
the
array
concerned
above
the
control
valve
'C'
gauge,
in
bar.
3.4.3.3 Fully calculated pipework
For
fully
calculated
pipework,
the
following
shall
be
given,
with
detailed
calculations,
either
on
purpose
designed
work
sheets
or
as
a
computer
print-out:
a)
the
program
name
and
version
number,
if
applicable;
b)
the
date
of
the
worksheet
or
print-out;
c)
the
actual
internal
diameters
of
all
pipes
used
in
the
calculation;
d)
for
each
design
area
of
operation:
1)
the
area
identification;
2)
the
hazard
class;
3)
the
specified
design
density
in
millimetres
per
minute;
4)
the
assumed
maximum
area
of
operation
(area
of
operation)
in
square
metres;
5)
the
number
of
sprinklers
in
the
area
of
operation;
6)
the
sprinkler
nominal
orifice
size
in
millimetres;
7)
the
maximum
area
covered
per
sprinkler
in
square
metres;
8)
detailed
and
dimensioned
working
drawings
showing
the
following:

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