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EFA BASELINE DESIGNSACOUSTICS STRATEGYAcoustic Design of Schools
EFA PSBP
Andrew Pa
a.parkin@
Con
In1.
T2.
2.1 C
2.1.1
2.1.2
2.1.3
2.1.4
2.1.5
2.2 E
2.3 S
2.4 R
2.5 A
B3.
B4.
P – Baseline De
arkin – Acoustic
@cundall.com
ntents
ntroduction
The Baseline
Control of re
Classbase
Dining/atri
Main hall..
Sports hal
Single stor
Environment
Sound Insula
Rain Noise ..
Alternative P
Baseline Sec
Baseline Sec
esigns: Acoustic
cs Partner
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e Design So
everberation
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um and mu
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ls (seconda
rey circulati
tal Noise an
ation .........
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Performance
condary sch
condary sch
cs Strategy
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olutions .....
n ................
..................
ulti-storey ci
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ary schools)
ion space/c
nd Ventilatio
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e Standards
hool (super
hool (finger
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rculation ....
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) .................
corridors .....
on ..............
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s (APS) and
rblock) – se
r block) – se
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d Refurbish
ction throug
ection throu
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ment .........
gh dining ha
gh teaching
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all ..............
g spaces....
Page 2 o
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EFA PSBP
Andrew Pa
a.parkin@
1.
P – Baseline De
arkin – Acoustic
@cundall.com
Introdu
The baseline
Schools’, to
Schools Bui
preparation
amendments
plan, refurbis
‘Acoustic De
Building Bul
of demonstr
This report is
Key Principa
esigns: Acoustic
cs Partner
uction
e designs are
be published
lding Progra
of this docum
s made to re
shment) and
esign of Scho
letin 93 (BB9
ating good p
s to be read
als of acoust
cs Strategy
e in line with
d by EFA and
mme (PSBP
ment which is
eflect change
d the experie
ools – Perfor
93). Section 2
practice in the
in conjunctio
ic design, re
h ‘Acoustic D
d included a
P). A panel o
s essentially
es in school d
nce of the pa
rmance Stan
2 of the docu
e implementa
on with other
lating to the
esign of Sch
s part of the
of industry ex
y a revision o
design since
anel in relatio
ndards for Sc
ument will be
ation of the P
r related text
Baseline De
ools – Perfo
Output Spec
xperts have b
f Building Bu
the early 20
on to perform
chools’ is to s
e published a
Performance
on the EFA
signs.
ormance Stan
cification for
been involved
ulletin (BB) 9
000s (e.g. tre
mance target
supersede S
at a later dat
e Standards.
website whi
Page 3 o
ndards for
the Priority
d in the
93, with
ends in open
ts.
ection 1 of
e with the aim
ch sets out
of 8
m
EFA PSBP
Andrew Pa
a.parkin@
2.
P – Baseline De
arkin – Acoustic
@cundall.com
The Ba
2.1 Con
The
with
App
2.1.
2.1.
2.1.
esigns: Acoustic
cs Partner
aseline
ntrol of re
Baseline de
other enviro
proaches vary
.1 Classb
Reverbe
suspend
are high
comprom
absorbe
floor fini
Class A
Furniture
between
.2 Dining/
Reverbe
combina
undersid
(absorpt
.3 Main h
Unlike m
minimum
variety o
Reverbe
panels (
to side w
their typ
section o
facilitate
practica
cs Strategy
e Desig
everberatio
esigns demon
onmental con
y depending
bases
eration in cla
ded horizonta
hly acoustica
mise the ther
ers is approxi
sh and age o
wall panels.
e acts constr
n parallel har
/atrium and
eration in the
ation of perfo
de of walkwa
tion Class de
all
many other s
m, in addition
of activities.
eration is con
(Class C or b
walls. The co
e, coverage
of ceiling tow
e reflection of
ble.
gn Solu
on
nstrate meth
ntrol factors (
on the type
ssbases is c
ally from the
lly efficient (C
rmal benefit
imately 40%
of pupils bein
.
ructively to d
rd surfaces.
d multi-sto
ese large-vol
orated roof lin
ays (Class A)
ependant on
paces, rever
n to maximum
ntrolled by an
better) to the
overage and
and location
wards the fro
f speech to t
utions
ods of rever
(e.g. daylight
of spaces. T
controlled pre
soffit, inters
Class A) and
of the expos
of the floor a
ng taught, th
diffuse the so
orey circula
ume, high oc
ner (Class C
) and signific
coverage ar
rberation nee
m, levels. Th
n absorbent
rear wall an
d type of pane
n. It may be
ont and centre
the rear sect
beration con
ting, ventilati
Types of spa
edominantly
persed betw
d light reflecti
sed soffit, the
area. Depen
ese absorbe
ound that cou
ation
ccupancy, sp
or better), a
cant coverage
rea).
eds to be con
his is to facili
liner (Class C
d absorbent
els/materials
advantageou
e of the soffit
ion, although
ntrol that wor
ion, thermal
aces are disc
by absorptiv
ween light fitti
ive. In order
e area of sus
nding on the
ers are suppl
uld otherwise
paces is cont
absorbent fin
e of wall pan
ntrolled to ac
itate speech
C or better),
panels (Clas
s will vary ac
us to allow fo
t or ceiling in
h this may no
Page 4 o
k in harmony
mass etc.).
cussed below
ve panels
ngs; panels
r to not
pended
size of room
emented by
e reflect
trolled by a
ishes to the
nels
chieve a
and support
absorbent
ss C or bette
cording to
or a reflective
n order to
ot always be
of 8
y
w.
m,
t a
er)
e
EFA PSBP
Andrew Pa
a.parkin@
P – Baseline De
arkin – Acoustic
@cundall.com
2.1.
2.1.
2.2 Env
Dou
acce
Air i
leve
Win
exce
leve
Ven
Spe
Whe
cros
targ
2.3 Sou
Sou
syst
targ
Whe
the
esigns: Acoustic
cs Partner
.4 Sports
It is impo
the liste
must be
Absorpt
fair-face
above.
significa
.5 Single
Corridor
Class C
services
vironment
uble sided ve
eptable conc
nlets are in t
el attenuated
dows and no
eed the requ
els are higher
tilators to co
ecification and
ere spaces a
ss-talk will be
ets.
und Insula
nd insulation
tems with gy
ets.
ere glazed sc
partition they
cs Strategy
halls (seco
ortant to prov
ner plane. D
highly durab
ion is provide
ed, Class D a
The fair-face
ant amounts o
storey circ
rs and simila
sound abso
s.
tal Noise a
entilation is us
centrations of
the form of o
ventilators o
on-acoustic lo
ired Indoor A
r, then attenu
orridors are a
d minimise c
are mechanic
e required to
ation
n between cla
psum board
creens are u
y are installe
ondary sch
vide both ab
Due to the ac
ble.
ed by means
absorptive blo
ed blockwork
of diffusion.
culation sp
r spaces will
orption or bet
and Ventil
sed in the se
f carbon diox
opening wind
or chimneys
ouvres can b
Ambient Nois
uated forms
attenuated su
cross-talk atte
cally ventilate
maintain Ind
assroom and
lining and in
sed then the
ed within. Sim
hools)
sorption and
ctivities carrie
s of a perfora
ockwork from
k and profiles
pace/corrid
l be installed
tter, to contro
lation
econdary sch
xide in space
ows or louvr
to corridors a
be used whe
se Level by m
of ventilation
uch that they
enuation.
ed then appr
door Ambien
d office areas
nsulation as a
ese meet com
milarly, door
d diffusion, no
ed out in thes
ated roof line
m finished flo
s of the roof l
ors
with demou
ol sound and
hool classroo
es, wherever
es in the ext
and atria, allo
re the extern
more than 13
n would be re
meet the req
opriate contr
t Noise Leve
s is provided
appropriate t
mposite perfo
sets are aco
ot just at hig
se spaces, a
er (Class C o
oor level to a
line also act
untable ceilin
d provide goo
oms in order
r possible.
ternal façade
owing stack
nal noise lev
3 dB(A); if ex
equired.
quirements o
rols of noise
els and sound
d by metal st
to meet perfo
ormance req
oustically rate
Page 5 o
h level but in
all materials
or better) and
t least 3 m
to provide
gs having
od access to
to maintain
e, with high-
ventilation.
el does not
xternal noise
of the Output
level and
d insulation
ud partitionin
ormance
uirements of
ed to either
of 8
n
d
t
ng
f
EFA PSBP
Andrew Pa
a.parkin@
P – Baseline De
arkin – Acoustic
@cundall.com
mee
they
Floo
prov
add
adja
finis
2.4 Rai
Con
roof
supp
2.5 Alte
Whe
ope
and
only
esigns: Acoustic
cs Partner
et single figur
y are installed
ors are of con
vides levels o
itional attenu
acencies dem
shes.
in Noise
ncrete roofs c
fs incorporate
press impact
ernative P
ere it is not p
rational or he
their Techni
y to the exten
cs Strategy
re criteria for
d within.
ncrete constr
of vertical so
uation in the
mand addition
control noise
e compresse
t-generated n
Performan
possible to co
ealth & safet
cal Advisors
nt set out in p
r the type of
ruction to fac
ound insulatio
form of float
nal attenuati
e generated b
ed mineral fib
noise.
ce Standa
omply with th
ty reasons, a
s, then a rela
performance
room or com
cilitate passiv
on appropriat
ing floors or
on. Impact s
by heavy rain
bre insulation
ards (APS
he new-build
and this non-c
xation in per
tables for re
mposite value
ve cooling via
te for most a
mass barrier
sound insula
n on roofs in
n under the to
) and Refu
criteria of th
compliance i
rformance tar
efurbishment
es of the ove
a thermal ma
adjacencies,
r ceilings wh
ation is contro
many areas
op liner shee
urbishmen
he Output Sp
is sanctioned
rgets is perm
t standards.
Page 6 o
rall partition
ass. This
requiring
ere
olled by floor
. Lightweigh
et in order to
nt
pecification fo
d by the EFA
missible, but
of 8
r
ht
or
A
EFA PSBP
Andrew Pa
a.parkin@
3.
P – Baseline De
arkin – Acoustic
@cundall.com
Baselithroug
esigns: Acoustic
cs Partner
ne Secgh dinin
cs Strategy
condarng hall
ry schol
ool (supperblocck) – s
Soundto
Soundto un
ba
Absorbto
Acoudoors
Page 7 o
section
d absorption o soffit
d absorption nderside of alconies
bent panels o walls
stically rateds to teachingspaces
of 8
d g
EFA PSBP
Andrew Pa
a.parkin@
4.
P – Baseline De
arkin – Acoustic
@cundall.com
Baselithroug
esigns: Acoustic
cs Partner
ne Secgh teac
cs Strategy
condarching s
ry schospaces
ool (fing
ger bloock) – s
Suspended absorb
Class A abswall pan
Attenuatedlevel vent
either sidglazed p
Concretprovides ra
cont
Sound absto circulatio
Page 8 o
section
Class A ers
sorbent nels
d high ilators de of panel
te roof ain noise rol
sorption on space
of 8
n
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