high school auditoriums are often much too large, serve a ... · light and air when the school was...

56
DOCUMENT RESUME ED 031 072 By-Kohn, Sherwood The High School Auditorium, 6 Designs for Renewal. A Report from Educational Facilities Laboratories. Educational Facilities Labs., Inc., New York, N.Y. Pub Date Feb 67 Note-56p. MRS Price MF-$0.25 HC-S2.90 Descriptors-*Auditoriums, *Building Conversion, Building Design, Building Innovation, *Space Utilization High School auditoriums are often much too large, serve a limited number of functions, and are unused a maior portion of the year. This paper details designs for auditorium modification in six high schools aimed at making the space more usable for such functions as small lectures, lunchrooms, libraries, etc. This document previously announced as ED 018 084. (JT) EF 003 550 .,

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DOCUMENT RESUMEED 031 072

By-Kohn, SherwoodThe High School Auditorium, 6 Designs for Renewal. A Report from Educational Facilities Laboratories.Educational Facilities Labs., Inc., New York, N.Y.Pub Date Feb 67Note-56p.MRS Price MF-$0.25 HC-S2.90Descriptors-*Auditoriums, *Building Conversion, Building Design, Building Innovation, *Space Utilization

High School auditoriums are often much too large, serve a limited number offunctions, and are unused a maior portion of the year. This paper details designs forauditorium modification in six high schools aimed at making the space more usable forsuch functions as small lectures, lunchrooms, libraries, etc. This document previouslyannounced as ED 018 084. (JT)

EF 003 550

.,

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4 Penn High School, Mishawaka, Indiana5 Central High School, West Allis, Wisconsin

Roosevelt High School, Des Moines, lowa

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1 20

sea

ts e

ach

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n pu

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fully

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nt r

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r a

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ain

hall

by f

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ng p

ar-

titio

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low

the

audi

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spac

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the

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udito

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mit

imni

rmos

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lect

ure

situ

atio

ns, s

till l

eavi

ng 2

50 s

eats

in th

em

ain

port

ion

of th

e ha

ll fo

r ge

nera

l ass

embl

ypu

rpos

es. A

llow

ing

for

a 55

per

cen

t util

izat

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poss

ible

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u-

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cap

acity

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hool

by

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whi

le m

akin

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ajor

impr

ovem

ents

in b

oth

libra

ry a

nd c

afet

eria

fac

ilitie

s. T

he e

stim

ated

cost

: $1,

966

per

stud

ent.

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rint

ende

nt, J

ames

V.M

oon

Prin

cipa

l, Je

nnin

gs 0

. Joh

nson

Arc

hite

ct f

or th

e or

igin

al s

truc

ture

, Cra

wfo

rd &

Bro

ss, A

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Cen

tral

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ior

Hig

h Sc

hool

, Roc

hest

er, M

inne

sota

Cen

tral

Jun

ior

Hig

h Sc

hool

, bui

lt in

192

7, is

loca

ted

near

the

dow

ntow

n ar

ea o

f R

oche

ster

,M

inne

sota

. Lan

d fo

r ad

ditio

ns is

pro

hibi

tivel

yex

pens

ive.

The

nee

d fo

r im

prov

emen

t of

or a

d-di

tions

to th

e ca

fete

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libr

ary,

fac

ulty

off

ices

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idan

ce a

reas

, and

gro

up in

stru

ctio

n ro

oms,

as

wel

l as

the

clas

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ome

cruc

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y19

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hen

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nrol

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xpan

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eat a

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ple

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loca

ted,

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alre

ady

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l for

the

tota

l stu

dent

bod

y an

dto

o la

rge

for

inst

ruct

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sta

ge c

anno

t com

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ly a

ccom

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ate

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scho

ol o

rche

stra

and

is s

uita

ble

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trad

ition

al f

orm

s of

dra

ma.

The

rem

odel

ing

prop

osal

illu

stra

ted

here

cal

lsfo

r m

ajor

mod

ific

atio

ns, a

nd a

ccor

ding

to c

on-

sulta

nt e

ngin

.-,:.

.rs,

"is

eco

nom

ical

ly f

easi

ble

only

in c

onne

ctio

n w

ith s

choo

l pla

nts

on li

mite

dsi

tes

with

in a

maj

or m

etro

polit

an a

rea.

" E

sti-

mat

es, i

n fa

ct, p

lace

d th

e pr

ice

of p

ropo

sed

mod

ific

atio

n at

$1,

180,

000,

whi

le th

e co

st o

fbu

ildin

g ne

w le

ctur

e ro

om s

pace

for

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stu

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nts,

con

stru

ctin

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ry s

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s th

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idan

ce a

rea,

stu

-de

nt c

omm

ons,

and

aud

itori

um m

odif

icat

ions

,w

ould

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20,0

00, e

xclu

ding

the

proh

ibi-

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y ex

pens

ive

land

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n th

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arsh

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oved

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sion

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xist

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e cy

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itted

with

tier

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now

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or h

oriz

onta

l div

isio

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the

cons

truc

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flo

or a

bove

the

new

lect

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room

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Pen

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the

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mai

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the

lect

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room

off

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a w

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vari

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uni-

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pace

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lect

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the

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lm o

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ale

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asse

mbl

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ticul

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duce

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the

stud

ents

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ool a

dmin

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at P

enn

have

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aud

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cap

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duce

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thir

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vel,

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the

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rea

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prov

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vo-

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num

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m-

ber

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achi

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pace

s pr

ovid

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dito

rium

rem

odel

ing.

The

stu

dy's

obj

ectiv

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ere

duct

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asm

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usef

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stru

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rea

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ossi

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mod

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Educational Facilities Laboratories, Inc. is anonprofit corporation established by theFord Foundation to help schools and collegesin the United States and Canada with their physicalproblems by the encouragement of researchand experimentation and the disseminationof knowledge regarding educational facilities.

I

Board of DirectorsMILTON C. MUMFORD, ChairmanChairman of the Board, Lever Brothers Company

ALVIN C. EURICH, Vice ChairmanPresident, Aspen Institute for Humanistic Studies

CLAY P. BEDFORDPresident, Kaiser Aerospace & Electronics

JAMES C. DOWNS, JR.Chairman of the Board, Real Estate Research Corporation

HENRY DREYFUSSHenry Dreyfuss & Associates

MORRIS DUANEAttorney, Duane, Morris and Heckscher

HAROLD B. GORESPresident, Educational Facilities Laboratories

FREDERICK L. HOVDEPresident, Purdue University

J. E. JONSSONChairman of the Board, Texas Instruments, Inc.

PHILIP M. KLUTZNICKKlutznick Enterprises

J. L. MORRILLConsultant, The Ford Foundation

WINTHROP ROCKEFELLERGovernor, State of Arkansas

THOMAS J. WATSON, JR.Chairman of the Board,International Business Machines Corporation

BENJAMIN C. WILLISEducational Consultant(formerly General Superintendent of Schools, Chicago, Illinois)

OfficersHAROLD B. GORES, PresidentJONATHAN KING, Secretary and Treasurer

StaffHUGH BECKWITH, Consultant

LILLIAN BUTLER, Publications Associate

ROBERT M. DILLON, AIA, Consultant

MARGARET FARMER, Editorial Associate

JAMES J. MORISSEAU, Editorial Associate

VAN H. SAVELL., Editorial Assistant

CLIFFORD WALSH, Assistant Treasurer

RUTH WEINSTOCK, Research Associate

1ekitowledgeineuttsOriginal report by F. Philip Brotherton, Partner-in-Charge,The Perkins & Will Partnership

Written by Sherwood Kohn

!Jirector of the project Ronald W. Haase,Ronald W. Haase and Associates, Architects,formerly Architectural Associate, EFL

Architectural drawings by Julie Maser,formerly of The Perkins & Will Partnership

Rochester Central model by Eugene F. Chile lli ofWilliam T. Ottawas & Sons

Photograph on page 4 by George Zimbel

Photographs ot model by Jonathan King

All other photographs by Tea Wilhams

Designed by Sutter and Wartik Graphic Design, Inc

Printed by Sanders Printing Corporation

Additional copies are available from the offices ofEducational Facilities Laboratories477 Madison AvenueNew York, New York 10022

Library of Congress Catalog No 67-19966

First Printing February, 1967

V

Fo i se sisoa 11

One of the least used and least useful resources inthousands of old and middle-aged schools in the UnitedStates and Canada is the auditorium. Usually scaled foran all-school assembly that either doesn't or shouldn'ttake place, these cavernous facilities often sit unused orunderused most of the school year.

This report is the result of an EFL self-administeredproject designed to pull together a talented and knowl-edgeable group of educators, architects, and engineers,as well as acoustical and theater consultants to see ifthese spaces could not be put to better use throughcreative remodeling within the fiscal resources of typi-cal school districts.

The conclusions whicl, follow are in the form of a

group of case studies of real auditoriums in existingschools. While in each case the proposed remodeling isbased on the individual school's program and the reali-ties of the existing space, some generalizations haveclearly emerged.

With careful planning, it is possible to use these whiteelephants to proviue many of the facilities which areimportant for contemporary educational, dramatic, andmusic programs. Indeed, these nonclassroom spacescan br, produced at costs considerably below thoserequil,u for building additions to accommodate thesame programs or student population increases.

None of these plans can be transplanted directly intoother schools, but the concepts, pnnciples, and tech-niques which underlie these projects can be used tomake many older schoolstoo good to discard and notgood enough for today's educationinto better placeseducationally. And this can be done at costs sufficientlybelow new construction costs to please the taxpayersin communities where educational aspirations arehigher than fscal resources.

Educational Facilities Laboratories

3

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Inhoditetion

Beginning with the latter half of this century,the effects of the great popuiation explosionthat followed World War H were felt through-out America's complex socioeconom:c struc-ture. At the inoment, they are, and seem hkeiyto continue to be, highly pervasive. But no-where have these forces been felt moreacutely than in the nation's schools. Studentenrollments in both urban and suburban areasare expanding far beyond educational facili-ties that were considered adequate a scoreof years ago.

!ncreasingly, school adm.inistrators arefaced with the problem of providing morespace at a minimum of taxpayers' expense.Under the pressures of urban concentrationand mounting property costs, it is often im-possible or uneconomic to acquire additionalland tor the construction of school annexes.Rising construction costs, coupled with a de-mand for advanced technical resources andteaching methods, have added further bur-dens to aimost every education budget. In thecontext of these conditions, common se.-ise

5

alone demands an assessment of the adapt-ability of all good existing school structuresbefore building new ones.

To take a close look at a representativesampling of schools caught in the expansionsqueeze, Educational Facilities Laboratoriesassembled a team of architects. planning con-sultants, and imaginative school administra-tors who were asked to study the problemsand recommend solutions that were at oncepractical and boldly innovative.

Upon examination of the six buildings cho-sen for this study. it was quickly apparent thatschool needs had changed considerablysince the plants were constructed. Burgeon-ing enrollments, new educational techniques,and expanding curricula have combined withmany other factors to cAert undeniable con-straints, not only in favor of basic instructionalspace, but also for specialized work, study,and sto age areas as well. Heading the list ofrequirements that have grown as a result ofincreasingly complex and expanded academicprograms were large-group instruction areaswith adjacent faculty planning space, confer-ence and seminar rooms, and larger and morenumerous resource storage areas, both forbooks and audio-visual materials.

Libraries, in particular, were found to haveoutgrown their original functions. The modernschool library has ceased to be "the room atthe end of the hall," and has assumed the roleof a thriving instructional materials center,employing the full spectrum of informationalmedia. Basically, the book storage require-ment has increased, but the addition of facili-ties for tape, filmstrips, records, microfilm,modern retrieval systems, and special listen-ing and viewing devices has contributed to theobsolescence of all but the most pliable ofschool libraries. The new library has becomethe hub of curricular enterprise, and it is now

6

felt that any expansion or conversion studyshould assume that such a valuable facility isthe center of the living school, helping by itsatmosphere, activity, and location to create andencourage a spirit of independent learning.

In Search of Space

In the course of this study, it was discoveredthat many older schools, and even some ofmore recent vintage, harbor a substantialamount of unused space that could be betterand more economically employed to handlethe expanding needs of curricula, staff, andstudent body.

One of the greatest space-wasters is thelarge, conventionally designed auditorium,originally built to accommodate an entire stu-dent body at one sitting, but now awkwardand inefficient in its ill-suited roles of studyhaH, meeting place, lunchroom, and confer-ence area. Most of these cavernous halls areinadequaely equipped, improperly lighted,and much too large for either instructional orassembly purposes. Consequently, many lieidle during a major portion of the school year.

This study then focused on exploring de-sign ideas, in representative situations, for theretrieval of space from six partially dormantauditoriums, and for the conversion of thisspace to library, classroom, lecture hall, of-fice, cafeteria, work area, and other uses thatcould more judiciously benefit the changingeducational program. Simultaneously, audi-torium space was also pared down to moreeffective size for such traditional functions asassemblies and theatrical and musical per-formances by the student body.

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A reasonable range of problems and sehi-tions are presented and dic,cussed Ifl the f()l-lowing case studies Lvery aspect of lb

school auditorium from heating, liqitiriq. an:Iacoustics to all the sacred coA's of communitypride Ind tradition, is affected In this repoi tattention was limited to auditoriums and thosespaces immediately supporting them, but it isrecommended that a broad approach to re-newal considerations be taken, involving thetotal school.

There was sufficient evidence discoveredin this study to support the conclusion thatthe bolder and more imaginative the conceptof change, and the broader the base uponwhich it is planned, the more rewarding willbe the effects, educationally and financially.

In each case, the architectural proposalshave been designed to show the impact ofimagination on previously unproductive space.It may be difficult, however, for some schoolsto finance more than a small demonstrationof feasible space retrieval. In these caseswhile over-conservatism is undesirable, a shortfirst step may prompt further action.

I II PIf PSI, ;I of Iteostm

The solutions undertaken were examinedthoroughly to insure their reasonableness andfeasibility Each proposal was carefully re-viewed by - uctural, mechanical, and elec-trical engineers. Special architectural and

educational consultants have, after examina-tion of each space, provided guidelines formodification and improvement. Details are notintended to be sufficient for construction pur-

Husos, but Only to (1e nonstrate a line of attackObviously, many problems apart from theuctural requirerr ent, ate creuted by

Jt)(1IVISICK1, but It has boen most gratifying to

find that only rnrior adjustment::, were necc-,(ir'y to correct rnost difficulties Among other

thirds, the stuCies indicated clearly that thereare no obstacles that cannot be circumventedby a creative approach

Moreover cost estimates have shown thatreal econornes can result from the conversionof auditoriums that presently he sadly under-used. Even in cases where land was availablefor new construction, the cost of remodelingwas lovier than the cost of a new bwIdind Inthe studies, cost figures are directly related toaddit,onal student capacity, new usable space,or both. It can be argued that any increasesin operating and maintenance costs are morethan reasonable in light of the higher enroll-ment or degree of space utilization which ismade possible.

Of course, the problems of scheduling al-terations around school operation must becomputed against a background of favorablecosts. Sensible staging of a major remodeling,as well as the erection of carefully placed tem-porary walls, can aHow uninterrupted educa-tion, and the dirtiest and noisiest operationscan be accomplished during summer vaca-tion, finishing can be left for periods whenschool is in session

Many doubts concerning the advantages ofauditorium conversion nave evaporated dur-ing the preparation of this report. In the courseof the study. it was concluded that remodelingapproaches like the oneq iliustratod can ex_tend the useful lives of school buildrigs, in-crease their capacities and improve theirability to adapt to new developments in edu-cation ER is cormnced that every auditoriumdeserves r, fat hake.

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Speeial Considerations

School remodeling poses special problems, and when the changes center around school auditori-ums, the problems become even more complex. In another sense, however, the effects of an audi-torium conversion program radiate throughout a school, psychologically as well as physically, andoften extend into the community outside. Here, three experts writing on important aspects ofschool design and space retrieval lay down guidelines for stage design, acoustics, and audio-visualteaching devices that affect not only education but art, drama, music, and a wide range of educa-tional and human considerations.

ACOUSTICS IN REMODELED AUDITORIUMS

RANGER FARRELL, a partner in the consulting film of

Ranger Farrell & Associates, of Tarrytown, N.Y., isassistant professor of architecture at Cooper Unionand a visiting critic and lecturer on acoustics at theParsons School of Design. A graduate of the Massa-chusetts Institute of Technology, he has served assenior consultant for the firm of Bolt, Beranek &Newman, Inc.. acoustical consultants for the Phil-harmonic Hall in New York's Lincoln Center for thePerforming Arts, and has written extensively onacoustics for leading architectural journals.

AUDIO-VISUAL CONSIDERATIONSMORTON C. GASSMAN, associate professor of archi-tecture and seniol design coordinator at RensselaerPolytechnic's Center for Architectural Research,holds a B.S. in architecture from the University ofCincinnati and a master's degree from the Cran-brook, Academy of Art, and has served as a con-

sultant in audio-visual facilities planning and de-velopment for the State University of New York. Hispublished works include "New Spaces for Learn-ing," a 1961 report to Educational Facilities Labora-tories, and "Educational Facilities with New Media,"an interim report to the U.S. Office of Education.

STAGE DESIGN

JAMES HULL MILLER became interested in the the-ater during his undergraduate years at Princeton,where he majored in literature and philosophy.Since then, he has designed more than 16 theatersand auditoriums, taught at the University of NewMexico and the Centenary College of Louisiana,and founded the Arts Lab in Shreveport, Louisiana,for the study of stagecraft arid the design of openstage theaters. Now a theater design consultantwho makes his home in Shreveport, Mr. Miller worksin both educational and professional planning andhas contributed articles to professional publications.

11

Acoustics in RemodeledAnditorinms

by Ranger FarrellOne of the most useful acoustic features of anauditorium is its ceiling. Properly shaped, theceiling becomes a "mirror" that reflects and en-forces a speaker's voice. Obviously, an acousti-cally absorptive ceiling in an auditorium isanathema. While some acoustic tile may beneeded, most auditorium ceilings should becomposed largely of such sound-reflecting ma-terial as plaster, plasterboard, or wood.

If a room has a large volume and its surfacesare predominantly reflective, sounds producedin it will have a long reverberation time.* Buta long reverberation time is suitable only forchoral and orchestral performances. A short re-verberation timesomething like i to 1.3 sec-ondsis more desirable for speech, drama, andsmall ensembles.

Echoes are a common problem. An echo isreflection heard about 70/1000 of a second ormore after the original sound has reached thelistener's ear. In its mildest form, an echo isheard as a definite repetition of impulsivesounds. If the back wall of an auditorium isconcave, echo severity increases. The curvefocuses reflected sound energy. When the rearwall is broken up by large diffusing elementssuch as balconies and projection booths, theecho's severity decreases, and if efficient sound-absorbing materials are applied to the wall, itdecreases even more.

In wide auditoriums, a special kind of re-

*Reverberation time is the time required for a sound to decayto one-millionth of its original intensity

12

flection called a "side wall" echo may becometroublesome. This type of echo occurs when aperformer speaks from a side extremity of thestage. If the opposite side wall is 35 or 40 feetfrom him, the performer, as well as many mem-bers of the audience nearby, may hear a dis-turbing echo reflected from it. The side wallecho can be remedied by sharply splaying thefront walls of the auditorium like a megaphone,or by narrowing the stage.

One of the great deficiencies of many olderauditoriums is a long, low balcony arrange-ment, which broods over cavernous spaces andfrom which audiences can see and hear onlyhalf of what takes place onstage. When thiscondition exists, first consideration should begiven to allocating such limited spaces to otherfunctionspermanently. An excellent solutionof the problem was undertaken in the proposalsfor St. Louis' Roosevelt High School. There,a new floor at the level of the balcony's bottomrow entirely eliminates the overhang problemand places a smaller audience in seats withbetter-than-average sight lines and better-than-average hearing conditions.

Under proper acoustic control conditions, itshould seldom be necessary to amplify speechfor audiences of less than 400. But a loud-speaker system should be included in every au-dience room, regardless of size, if for no otherpurpose than music and film sound reproduc-tion. When the room is designed to accommo-date 400 or more, the system should be plannedfor speech reinforcement as well. In rooms hold-ing I,C7o or more, with even the greatest evegiven to acoustic treatment, high quality speechreinforcement must certainly be installed.

For either speech reinforcement or music re-production, all equipment should be of broad-

cast quality. Control equipment must be locatednear the back of the room and within the cov-erage patterns of the loudspeakers. Ideally, aloudspeaker should be located directly abovethe lecturer or performer. This implies a singlespeaker at the center of the proscenium arch.Where this is impractical, column loudspeakersmay be mounted on each side of the proscen-ium. Under all circumstances, auditorium loud-speaker systems should be kept separate fromschool paging networks. The qualities of thesystems are always of entirely different orders.

Sound transmission through doors is a per-ennial problem in all auditoriums, but divisionof such spaces into various kinds of activityareas introduces a multiplicity of potential noisesources. Thoughtful planning can often resolvemany of these problems. For example, in St.Louis' Roosevelt High School, the ramps canbe used as sound locks, with conventional doors

at either end, thus isolating the commons andcorridors from the new lecture rooms.

The most effective way of solving door sound-transmission problems is to use two doors orpairs of doors "in series." These can be hungback to back on a common frame, an expedientthat is compact but awkward, or spaced apartto form a sound and light lock.

The noise of feet moving in classrooms, cor-ridors, or gymnasiums also poses a commonproblem. In remodeling programs, only quietactivities should be planned for spaces abovelarge audience rooms. Wherever possible, recre-ation rooms should be located on lower levels,preferably on grade. In St. Louis' RooseveltHigh School, where the new auditorium isplaced over a lecture center, dancers or actorson the stage may find they disturb students be-neath. There, both the permanent :Ind semi-

circular stages should be of heavy constructionand mounted on systems of spring and rubbervibration isolators. In addition, the new struc-tural floor should be of relatively massive, con-

crete construction. And, finally, considerationshould be given to the installation of resilientlysuspended plaster soffits between the beams. Inless critical situations, such as the aisles on thenew flat floor of the Des Moines' RooseveltHigh School auditorium, areas can be carpetedto reduce noise at its source.

Excessive mechanical equipment noise is an-other frequently encountered problem in audi-ence rooms. Fan noise transmitted into an audi-torium through air ducts can usually be reducedby linings or mufflers in the ducts. Air turbu-lence at supply diffusers often creates disturbingnoises, and the only solution is more or largerdiffusers. Vibration transmitted through roofand ceiling and reradiated into a room as noisecan be stopped by locating the offending equip-ment on springs and carefully isolating pipingand electrical conduit to assure a minimum ofphysical linkage to the building structure.

Almost invariably, remodeling offers a majoradvantage over new construction in the matterof mechanical noise control. Before remodeling,existing machinery noise can be measured,whereas it is difficult to predict the preciseeffects of mechanisms prior to installation. Ifexisting equipment is to be integrated into theremodeling program, and if it is audible, thesound should be measured and compared withcriteria for acceptable auditorium noise levels.

If new equipment is planned, all normal pre-cautions of good acoustical engineering practiceshould be applied. In planning, always considerthe fact that distance is a great healer. Equip-ment should not, unless absolutely necessary,

1 3

be installed in furred ceiling spaces above anauditorium. Heavy equipment, sudi as ::ooling

towers, should be placed above secondary

rooms, as close as possible to columns or other

firm supporting elements. Unitary equipment,such as under-window fan coil units or roof ex-hausters, should be avoided in all lecture rooms.

In all remodeling, the architect's prime req-

c_isite is an awareness of potential acoustical

problems and the creative solutions available to

him. Although the physical aspects of roomacoustics, sound systems, or noise control in-

stallations are the same in both new and re-modeled structures, remodeling can create spe-cial problems. The architect should be alert to

them and to the usc of acoustical contiols.

Suggested Sound Transmission Clams (STC) Ratings for PartitionsThe table ranks various typical activities in order ranging from noisiest and most disturbing to quietest and most easily

disturbed and indicates an approximation of the required sound isolation between these activities.

cdo dot OA cr 41).

1.40 I * 4% .°A 0 40 42%,

416. 150°** ck.444 S. C4 De\(0 4 %4% * 0 4%, 8 \0"00

40T 0

0 A4. / *0" -FROM

Orchestra & Chorus 65 65 50

Motion Picture & Phonograph 65 50 50

Music Ensemble & Indiv. Practice 50 50 50

Gymnaskim 35 35 20

Shops-High Noise 50 50 35

Shops-Low Noise 35 35 20

Recreation 35 20 15

Lab & Home Economius 20 15 15

Lounge & Common 20 15 0

Lecture Rooms 35 20 0

StuAy & E-mmination 0 0 0

EM 1111110111111 IMMN W NA

14

15 20 20 50 50 65 65

15 15 15 50 50 50 50

0 0 15 15 15 50 5I'

0 15 15 20 20 50 50

0 35 50 50 50 65 65

0 0 0 15 15 35 35

0 0 0 15 15 35 35

0 0 0 0 15 35 35

0 0 0 35 0 35 35

0 0 0 35 35 35 35

0 0 0 0 0 0 0

411

' I

1.1

Stage Design

by .huarest Hull _Miller

The conventional proscenium stage is not theonly, or necessarily the first, idea that comes tomind for a theater in a school. A desirable vari-ety of performing arrangements may be achieved

in a number of ways. Platform stages may thrustforward or assume a number of shapes whichwill permit interesting audience groupings andprovide versatility for the functions to beserved. There may also be retractable stages,side ateas which may be used for seating orperforming as required, and movable platformswhich can be arranged as desired.

With this scope in staging and with the useof folding seats, much freedom is allowed in theselection of material and the manner of presen-to.tion. This freedom generates excitement anda desire to participate on the part of studentsand faculty. Increased proximity to the audi-ence lends intimacy and invites involvement.

There are two distinct methods of arrangingscenery on a stage. One is to place the sceneryaround the acting area; the other, to locate thescenery within it. Scenery which surrounds theacting area is usually defined by some sort of

16

masking, or by a proscenium frame. Scenerylocated within an acting area is three-dimen-sional, like sculpture. Its profile is important,and it must be self-supporting. Such units arecalled set pieces.

With scenery self-supporting and space-cen-tered, the scenic artist controls the magnitudeof a set, and the stage may be any size or shape.By commitment to set piece technique, it is pos-sible to bring drama onto an open platform, thekind of stage that is ideal, both visually andacoustically, for other school activities such aslectures, concerts, and ceremonies. Since setpieces are more compact than picture-framescenery, stagecraft materials go farther and stor-age requirements are lessened.

Set pieces have a distinguished history inboth Western and Oriental drama. A resurgenceof interest in the set piece has come about inthe last decade, partly as a result of new play-writing styles which demand more flexible stag-ing, and partly because of the emphasis placedupon the plastic nature of live theater, as op-posed to television and motion pictures. Setpieces are ideal fcr complex plays becausescenes may be arranged in a variety of ways.The high degree of skill and creative possibili-ties in the crafting of these pieces particularlyappeals to young people.

Of course, the architecture of the auditoriumforms the background for the platform stage aswell, and this must be borne in mind when thebuilding is designed. Proper illumination is alsoimportant, but need not be expensive. Sinceplatform staging requires no curtains or mask-ing pieces overhead, spot lighting and generalillumination can be arranged more efficientlyand at less cost than comparable systems in pro-scenium frame theaters.

Audio-l'isual fonshkrations

by Morton C. Gassman

Media, as part of the educational system, dic-tate special considerations for classroom envi-ronment. Not only must the design providegood viewing and listening facilities and a com-fortable environment for each student, but itmust also be flexible enough to serve, withequal efficiency, the needs arising from a varietyof situations.

The necessity for note- Laking during an in-structional presentation makes a variable sys-tem of illumination mandatory. Such a system

should be capable of producing several lightlevels at the student writing surface, and theselevels should approximate the amount of lightproduced on the screens by various projectorsor monitors.

Ambient or stray light falling upon the view-ing surfaces washes out the image. A variety oflouvres and fixtures capable of limiting thespread of overhead lighting are available. Theseshould be located to avoid excessive shadows onthe writing surfaces, and a series of downlightsshould be provided at the front of the classroomto illuminate teachers, live demonstrations, tack-boards, and vertical writing areas.

Good acoustics and sound control are espe-cially important, and distribution throughoutthe room is not so great a problem as the iso-lation of sound from adjoining spaces. Acousti-cal des:g.i should be applied early in the plan-ning r :-)cess.

In order to be alert and responsive, the stu-dent must not only be ab'e to see and hear, butbe physically comfortable. Temperature and hu-midity should be controlled to offset the effectsof special lighting, windowless presentationlooms, and year-round operation, a, well as topromote optimum student performance.

Viewing screens may be of front or rear pro-jection types, since with complete lighting con-trol either kind is acceptable. However, asscreen size increases with the size of the audi-ence, more projector lumen output is needed toproduce an image of adequate brightness. Stand-ard projection equipment can be used for imagewidths of less than eight feet. The minimumdistance from viewer to screen is generally ac-cepted as twice the width of the screen. Themaximum lies between six and eight timesscreen size.

If student sight lines are to be free ;rom in-terference, stepped or sloped seating will benecessary in rooms containing more than fourrows. It is possible to place two rows on onelevel if the seating is staggered. However, thedesigner should be careful to avoid making closeviewers uncomfortable by locating his screentoo high.

The lecture rooms developed for St. Louis'Roosevelt High School show how renovatedspace can be adapted for optimum media use.Preparation, storage, and rear screen projectionareas were located in lecture rooms i and 3 tomake these spaces media-oriented. The sidelimits of the viewing area are determined byusing a 4o-degree edge angle. Each room con-tains a 7- by r_ 4-foot, flexible, white, wide-angle

rear projection screen capable of receiving twosimultaneous images. The rear projection areais designed to accommodate two 35mm projec-tors, a r6mm projector, and a television projec-tor. The right screen module ( 7 by 7 feet )would be used for 35mm or i6rnm projections,and the left for 35mm and television projec-tions. The distance from the rear wall of theprojection area to the screen is 12 feet 6 inches,producing, with wide-angle lenses, 7-foot 16mmand 35mm images and a projected televisionimage 5 feet 3 inches wide.

Lecture room two at St. Louis' Roosevelt isflexible. By introducing a hinged, roll-on screenand portable projection units, this space can beconverted quickly from an auditorium tc anaudio-visual facility. Screen and projector loca-tions should be clearly defined on the stage floorand conduit placed for the acceptance of media.

Lighting systems in this room and all othermedia-oriented spaces need not be complicated.Not more than one footcandle of ambient light

Is

should be permitted to fall on the screen sur-face, but an economical switching system, ca-pable of providing three illumination levels canbe obtained by using three-tube fluorescent fix-tures. By wiring the fixtures to light one, two,or three tubes and by providing louvres to limitspread, the system becomes effective withoutadding expensive dimming equipment. It shouldproduce two levels of light approximating theaverage brightness of the various projectors anda third for normal classroom lighting. Thesecircuits are then tied into the teacher's controlpanel and matched with the appropriate pro-jectors so that a single contrcl is possible forboth projector and light level.

In Lrief, when designing the media-orientedroom, the architect should keep the followingsuggestions in mind:

. For rear screen projection offering thewidest viewing angle, projector and screenshould be ss.parated by a distance equivalentto twice the width of the projected image.2. All screens should be protected from am-bient light.

3. The floor adjacent to the screens shouldpresent a dark, nonreflective surface.

4. Student writing surfaces should be tiltedslightly away from th.

By carefully planning today's media-oriented

rooms, advancing technology will not makethem obsolete, but will produce even betterviewing conditions. Display methods maychange or improve, but if room design is pred-icated on a fixed relationship between the stu-dent and what he must see, the efficiency of hisfacilities will remain unaffected.

A general rule might be that with any givenprojector the brightness of the image will begreater when using screens with narrow view-ing characteristics. However, image brightnessis only a relative thing and the essence is theability of the student to see clearly and easilydistingiish the projected information. The pro-jection of multiple images limits the use ofnarrow viewing screens since the addition ofeach screen reduces the acceptable viewing area.

While the same is true of screens with wide-angle characteristics, the acceptable viewingarea is much larger.

v)

v)

19

Viewing areas are determined by ti.ie followingthree dimensions: ( 1 ) Minimum vwwing dis-tancethe distance from the screen to thenearest observer ( 2) Maximum viewing dis-tancethe distance from the screen to thefurthest observer. ( 3) Maximum viewing anglethe angle between the projection axis (A)and the line of sight of the viewer located atthe extreme edge (B).

20

The rear projection area should be acousticallytreated to absorb the projector sounds andTainted matte black to prevent l;ght from beingreflected to the screens. The white screen willaccommodate the use of the overhead projectorwhen required. A closed circuit television sys-tem may be incorporated within the classroom.With an overhead mounted television camera,a zoom lens, and a light box, this becomes ablack and white version of both the overheadand opaque projectors.

Obviously, the teacher's control console mustbe designed for ease of operation. Over-compli-cated control pahels can discourage the use ofthe mho-visual Nuipment. Moreover, lightcontrols should be integrated with the projectorswitch, and the pauel should be designed witha minimum of flashing lights and buttons.

The hinged, roll-on screen is composed of twowide-angle, flexible, rear projection screens,each 8 feet square, and fitted with side blindsto prevent ambient light from reaching behindthem. A roll-on projection stand might hold a35 mm projector and a 16 mm or television pro-

jector, with cart cables designed to plug intofloor outlets carrying power and control circuits.

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.ei

Other Reportsfrom EEL

The following publications are available with-out charge from the offices of EFL: 477 Madi-son Avenue, New York, New York 10022.

BRICKS AND MORTARBOARDS. A guide for the

decision-makers in higher education: how thecolleges and univecsities can provide enoughspace for the burgeoning enrollments of thisdecade; how the space can be made adaptableto the inevitable changes in the educationalprocess in the decades ahead. (One copy avail-able without charge. Additional copies $1.00. )

COLLEGE STUDENTS LIVE HERE. A report on

the what, why, and how of college housing;reviews the factors involved in planning,building, and financing student residences.

THE COST OF A SCHOOLHOUSE. A review of

the factors contributing to the cost and effec-tiveness of schoolhousing, including planning,building , and financing.

DESIGN FOR ETVPLANNING TOR SCHOOLS

WITH TELEVISION. A report on facilities, pres-

ent and future, needed to accommodate instruc-tional television and other new educationalprograms. Prepared for EFL by Dave Chapman,Inc., Industrial DeFign.

RELOCATABLE SCHOOL FACILITIES. A survey of

portable, demountable, mobile, and divisibleschoolhousing in use in the United States and aplan for the future.

THE SCHOOLHOUSE IN THE CITY. EFL's annual

report for 1965 and an essay on how the citiesare designing and redesigning their school-

houses to meet the problems of real estateco,ts, population shifts, segregation, poverty,and ignorance.

THE CHOOL LIBRARY. A report on the facili-ties for independent study, with standards forthe size of collections, seating capacity, and thenature of materials to be incorporated.

t'

SCHOOL SCHEDULING BY COMPUTER / THE

STORY OF GASP. A report of the computer pro-

gram developed by MIT to help colleges andhigh schools construct their complex masterschedules.

SCSD: AN INTERIM REPORT. A first report onthe School Construction Systems DevelopmentProjectthe first project in the United Statesco coordinate the design and use of a series ofintegrated components to build better schoolsmore economically.

TO BUILD OR NOT TO BUILD. A study of theutilization of instructional space in small lib-eral arts colleges, with a do-it-yourself work-book for the individual use of the institutionsthat wish to survey their own utilization levels.

Profiles ot Siguiflea tot SchoolsA series of reports which provide informationon some of the latest development:in schi`olplanning and design.

HOLLAND HIGH SCHOOLHolland, Michigan

HIGH SCHOOLS 1962educational change and

architectural consequenceSCHOOLS WITHOUT WALLSopen space and

how it worksMIDDLE SCHOOLScontroversy and experiment

(Use Studies of Education If I FacilitiesA series of reports which provide informationon specific solutions to problems in schoolplanning, design, and construction.

6. A COLLEGE HEALTH CENTER. Case study of

a model center for small private colleges; ar-chitectural design by Caudill, Rowlett & Scott.

7. NEW BUILDING ON CAMPUS: SIX DESIGNS

FOR A COLLEGE COMMUNICATIONS CENTER.

Graphic representations of the results of anarchitectural competition for a new space tohouse the accouterments of instructional aidsand media.

8. THE SCHOOLS AND URBAN RENEWAL. A case

study of the Wooster Square renewal projectin New Haven, Connecticut.

9. AIR STRUCTURES FOR SCHOOL SPORTS. A

study of air-supported shelters as housing forplayfields, swimming pools, and other physicaleducation activities.

IO. THE NEW CAMPUS IN BRITAIN: IDEAS OF

CONSEQUENCE FOR THE LJNITED STATES. Re-

cent British experience in university planning

and its implication:. for American educators,architects, and planners.

1 I. DIVISIBLE AUDITORIUMS. Operable wallsconvert little-used auditoriums and theatersinto multipurpose, highly utilized space for theperforming arts and instruction.

Tech ufra I Reports

I. ACOUSTICAL ENVIRONMENT OF SCHOOL

BUILDINGS by John Lyon Reid and Dariel Fitz-

roy--Acoustics of academic space in schools.An analysis of the statistical data gathered frommeasurement and study.

2. TOTAL ENERGYOn-site electric power gen-

eration for schools and colleges, employing osingle energy source to provide light, heat, airconditioning, and hot water.

tiollege Ne Ws le ilea '

A periodical on design questions for collegesand universities.

e3