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EFA BASELINE DESIGNS ACOUSTICS STRATEGY Acoustic Design of Schools

EFA - Acoustics - cundall.com · EFA PSBP Andrew Pa a.parkin@ 1. – Baseline De rkin – Acoustic cundall.com Introdu The baseline Schools’, to Schools Bui preparation amendments

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Page 1: EFA - Acoustics - cundall.com · EFA PSBP Andrew Pa a.parkin@ 1. – Baseline De rkin – Acoustic cundall.com Introdu The baseline Schools’, to Schools Bui preparation amendments

EFA BASELINE DESIGNSACOUSTICS STRATEGYAcoustic Design of Schools

Page 2: EFA - Acoustics - cundall.com · EFA PSBP Andrew Pa a.parkin@ 1. – Baseline De rkin – Acoustic cundall.com Introdu The baseline Schools’, to Schools Bui preparation amendments

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

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Main hall..

Sports hal

Single stor

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Sound Insula

Rain Noise ..

Alternative P

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Baseline Sec

esigns: Acoustic

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Page 3: EFA - Acoustics - cundall.com · EFA PSBP Andrew Pa a.parkin@ 1. – Baseline De rkin – Acoustic cundall.com Introdu The baseline Schools’, to Schools Bui preparation amendments

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

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s essentially

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nce of the pa

rmance Stan

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e implementa

on with other

lating to the

esign of Sch

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of industry ex

y a revision o

design since

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ation of the P

r related text

Baseline De

ools – Perfo

Output Spec

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the early 20

on to perform

chools’ is to s

e published a

Performance

on the EFA

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ormance Stan

cification for

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mance target

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at a later dat

e Standards.

website whi

Page 3 o

ndards for

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Page 4: EFA - Acoustics - cundall.com · EFA PSBP Andrew Pa a.parkin@ 1. – Baseline De rkin – Acoustic cundall.com Introdu The baseline Schools’, to Schools Bui preparation amendments

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

Page 5: EFA - Acoustics - cundall.com · EFA PSBP Andrew Pa a.parkin@ 1. – Baseline De rkin – Acoustic cundall.com Introdu The baseline Schools’, to Schools Bui preparation amendments

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

Page 6: EFA - Acoustics - cundall.com · EFA PSBP Andrew Pa a.parkin@ 1. – Baseline De rkin – Acoustic cundall.com Introdu The baseline Schools’, to Schools Bui preparation amendments

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

Page 7: EFA - Acoustics - cundall.com · EFA PSBP Andrew Pa a.parkin@ 1. – Baseline De rkin – Acoustic cundall.com Introdu The baseline Schools’, to Schools Bui preparation amendments

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

Page 8: EFA - Acoustics - cundall.com · EFA PSBP Andrew Pa a.parkin@ 1. – Baseline De rkin – Acoustic cundall.com Introdu The baseline Schools’, to Schools Bui preparation amendments

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

Page 9: EFA - Acoustics - cundall.com · EFA PSBP Andrew Pa a.parkin@ 1. – Baseline De rkin – Acoustic cundall.com Introdu The baseline Schools’, to Schools Bui preparation amendments

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