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Answers for infrastructure.
More energy efficiency andmore comfort in hospitals
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Table of contents
Preface 5
Teds i hspitls d ut-ptiet deptmets
The healthcare sector is changing 8
Eegy ptimizti i buildigs
Eergy-itesive prcesses i hspitals 12Reducig CO emissis 14
Eergy ptimizati fr ew ad existig buildigs 16Eergy ptimizati f partial ad verall systems 18Eergy-savig perfrmace ctractig 24Electrical eergy distributi with Ttally Itegrated Pwer 26
Highest stdds f hygiee i the hspitl
Hygiee 30Hygiee i the peratig rm 32Validati 34
Fcusig the ptiet
Cmfrt ad efficiet perati 38Operati i mder peratig rms 40Itegral perati f ther rms 42
Esuig secuity thugh tcebility
Security as a majr challege 46
Summary 48
Do you have a need for action? 50
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Thse respsible fr perati ad
buildig techlgy i a hspital r cliic
have a great respsibility fr patiets,
staff ad visitrs every day. Supply f all
frms f eergy, climate ctrl ad
clearm cditis fr the surgery
rms have t be esured 24 hurs a day.
Icreasig eergy efficiecy, reducig
CO emissis ad savig csts have
already becme madatry daily tasks
f thse respsible. I additi t
this, techical malfuctis have t be
detected time ad reprted s that
apprpriate measures ca be immediately
carried ut. Furthermre, cstatly
icreasig requiremets have t be met
with the same umber f emplyees
r eve less. This is impssible withut
itegrated buildig autmati systems.
After all, hspitals are e f the mst
cmplex buildigs.
Preface
The cstructi ad maiteace f all
these facilities require cmprehesive
kwledge whe it cmes t hspital
buildig maagemet.
This reprt describes the imprtat jbs
of modern building technology and in-
tegral buildig autmati i hspitals
fr eergy supply, eergy efficiecy,
hygiee, cmfrt ad efficiet pera-
ti. It is iteded t help yu determie
imprvemet ptetials i yur busiess
ad defie pririties whe reewig yur
systems.
We are e f the wrlds largest health-
care sluti prviders. Our custmers
prfit frm a glbal techlgy etwrk
ad lcal supprt due t may brach
ffices with cmprehesive experiece
i the hspital sectr. Yu t ca reap
the beefits f this kwledge!
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Trends in hospitals and
out-patient departments
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The healthcare
sector is changing
The healthcare sectr is facig a big
dilemma. O e had, the medical
fferig ad patiet care ptis are
cstatly beig imprved ad ew
techlgies are beig itrduced a
gig basis. O the ther had, the
assciated cst explsi is a icreasig
burde bth public ad private ives-
trs, which is havig a egative impact
health isurace premiums. The
situati is amplified by the icreasig
life expectacy. I the wester wrld life
expectati is almst seve years higher
tha it was 50 years ag.
Chlleges
Cstat cst pressure frces gig
streamliig f peratis t meet the
face f icreasig requiremets.
I additi t this, cscietius use
f eergy has becme a glbal respsi-
bility, while at the same time becmig
a ecmic issue i hspitals. The true
task csists f cmbiig eergy effi-
ciecy with cmfrt ad secure eergy
supply.
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The icreasig privatizati f fiacig
hspitals ad cliics als serves t i-
crease cmpetiti. The fight fr slvet
private patiets has already started. May
facilities have t be revated t gai
leverage i this cmpetitive evirmet
i rder t ffer the required cmfrt ad
keep csts uder ctrl.
Thse respsible fr buildig techl-
gy i hspitals ad ut-patiet depart-
mets are thus faced with havig t
prve themselves i this evirmet f
icreasig cmpetiti. Their bjective is
t esure the best pssible patiet care
(patiet satisfacti) withi a high-per-
frmace mtivated rgaizati (staff
satisfacti) at justifiable csts (prfit-
ability) ad a high stadard f reliability
(quality).
The swe: itegted buildigslutis
Buildig techlgy is a key t success. It
secures cmfrt, hygiee ad the safety
f patiets ad staff while allwig fr
streamlied perati ad a high level
f eergy efficiecy. Therefre, mder
buildig ad security techlgy is a
imprtat cg i hspital ad ut-patiet
departmet perati.
I rder t ctiue meetig icreas-
ig requiremets with regards t eergy
supply, cmfrt, security ad prfitabil-
ity, the systems icreasigly have t be
itegrated i a buildig. Netwrkig all
systems withi the techical ifrastruc-
ture such as heatig, vetilati, air c-
ditiig, access ctrl, vide surveil-
lace, itrusi ad fire detecti, alarm
ad evacuati, esures the highest
level f cmfrt, ptimum security ad
maximum eergy efficiecy. The systems
ca ly reveal their true ptetial whe
all buildig techlgy systems wrk
tgether i harmy.
With ur Ttal Buildig Slutis, we
prvide a cmprehesive sluti frm
a sigle prvider, which is precisely cus-
tmized t fit the respective buildig adprcesses.
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Energy optimization
in buildings
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Climate chage ecessitates ew slu-
tis fr eergy ptimizati. Amg
ther thigs, these slutis are required
t reduce greehuse emissis. The
Eurpea Ui (EU) has set as its bjec-
tive t reduce the eergy csumpti f
buildigs by 27 percet by the year 2020.
I rder t achieve this, mderizati
has t be accelerated ad effective meas-
ures fr icreasig eergy efficiecy have
t be implemeted.
Energy-intensive
processes in hospitals
Electrical supply, media supply ad air
cditiig techlgy are all part f
what makes a successful hspital. I addi-
ti t this, wrk that prtects resurces
ad cst savigs ctribute csiderably
t achievig busiess bjectives.
The fllwig figures clearly shw the
relevace.
Fuels are used primarily fr heatig
ad fr prducig warm water. Electrical
eergy is primarily used fr lightig advetilati. Tgether they are resp-
sible fr apprximately 75 percet f a
hspitals ttal eergy csts. O average,
Germa hspitals csume apprximate-
ly 300 kWh thermal eergy ad ver 100
kWh electrical eergy per square meter.
I hspitls At hme
Geeti
f wste/dy
approx.
7 kg/pers
approx.
1.7 kg/pers
Csumpti
f wte/dy
apprx. 600
liters/pers
apprx. 120
liters/pers
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Mst hspitals share specific features that
sigificatly impact eergy csumpti.
Amg ther thigs, these iclude:
Heat requiremets fr prducig
warm water thrughut the year with
a temperature level that smetimes
exceeds 60C.
Ofte simultaeus requiremets fr
heat ad pwer.
Cstat pwer requiremet distribut-
ed ver the curse f a day ad thrugh-
ut the year.
Ctiual requiremet fr air cdi-
tiig.
Hwever, may hspitals have ld
systems i eed f revati. Thus,
csiderable savigs ptetials are left
utapped. Practical examples shw that
savigs f 25 t 40 percet are realistic
after implemetig the apprpriate
revati measures.
Due t the fact that fssil fuels will ly
be able t be used t a limited extet
i the future, hspitals are als faced
with the issue f future eergy availabil-
ity. Ruig hspitals ad ut-patiet
departmets require a uiterrupted
supply f eergy every day. This is eve
ecessary t prevet life-threateig situ-
atis, as ca be the case durig surgery.
We supprt hspital peratrs whe it
cmes t the eergy issue: by prvidig
secure eergy supply ad distributi,
via eergy-savig ctractig, via precise
kwledge f csumpti ad ptimiza-
ti ptis with buildig maagemet
systems as well as via ew, eergy-pti-
mized systems.
Lwered csumpti f resurces,
lger system perati as well as bet-
ter maiteace ad repair f a device
usually result i lwer peratig csts. If
all these factrs are take it csidera-
ti, the the right decisi has a psi-
tive impact bth the gig csts
ad the evirmet.
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Glbal warmig is presetig the wrld
ppulati with ew challeges. I
December 1997, the Uited Natis
specified i the Kyt Prtcl that, i
the perid betwee 2008 ad 2012,
the idustrial cutries have t jitly
reduce their greehuse emissis by
at least five percet cmpared t values
frm 1990.
Reducing
CO emissions
GeeBuildig pgm
We supprt the GreeBuildig prgram:
This is a vlutary prgram iitiated by
the Eurpea Cmmissi t imprve
eergy efficiecy ad use f reewable
eergies i -residetial buildigs.
Accrdig t the gree bk f eergy
efficiecy, buildigs make up 40 percet
f Eurpes eergy requiremets. Opti-
mized systems ale represet a c-
siderable eergy-savig ptetial. This
results i a reducti f eergy csts ad
t a icrease i cmpetitiveess.
T be recgized as a GreeBuildig,
peratrs must imprve the eergy
efficiecy f their buildig by at least
25 percet.
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New buildigs
Fr ew buildigs, a cmprehesive
eergy ccept icludig csts, beefits,
regulatis ad evirmetal friedli-
ess shuld be created i the plaig
phase.
I this prcess, the csts shuld be
viewed as part f the life cycle csts:
prcuremet csts as well as the csts
fr system perati ad upkeep. There-
fre, a ivestmet calculati has t be
made fr each cmpet with csid-
erati f the systems serviceable life.
Energy optimization
for new and existing
buildings
I additi t this, whe plaig a ew
buildig, curret develpmets i build-
ig techlgy ad regulatis shuld be
take it csiderati, especially whe
it cmes t develpmets i the eergy
sectr ad the evirmetal friedliess
f the materials used.
A verall buildig autmati sluti
ca serve t save eergy bth i the
shrt-term ad lg-term. Additially,
mder techlgy imprves cmfrt,
peratig csts ad the fire safety ad
security f the buildig.
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Sevices f eegy ptimizti
Eegy mitig
I rder t be able t reduce eergy
csumpti i a hspital, csump-
ti first has t be measured. The
measured data is subsequetly csli-
dated ad prvides useful csump-
ti values. I additi t this, the
data prvides ifrmati pertaiigt csts ad emissis. This, i tur,
prvides the fudati eeded fr
makig ptimized decisis fr lg-
term prfitability.
Eegy lysis
Progressive technologies for energy
savings have to be developed on an
ongoing basis. We have the knowledge
and the experience required to analyze
a hospitals energy results in a meaning-
ful manner comparing values to gener-
ate benchmarks, which can be used asthe foundation for optimization.
Eegy ptimizti
Eergy ptimizati is custmized t
meet the requiremets f each hspital.
It is based the results f the eergy
measuremets ad subsequet aaly-
sis. This icludes the ptimizati f
hspital perati busiess prcesses.
Existig buildigs
I a existig buildig, eergy cst
savigs ca primarily be achieved if a
sustaiable eergy ptimizati prcess
is implemeted with the custmer. I
Germay, fr example, there is a eergy
Eegyptimizti
cst savig ptetial i all hspitals f
just uder 232 milli eurs.
The eergy ptimizati prcess maily
csists f mitrig, aalysis ad
ptimizati. This prcess has t be car-
ried ut thrughut the etire buildig
life cycle s that achieved savigs ca be
maitaied ad ptimizati ptetials
ca be determied a gig basis.
Op
tim
izatio
n An
aly
si
s
Monitoring
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Eergy-ptimized perati requires
autmated ctrl ad regulati as
prvided by mder buildig ad rm
autmati systems. Mder sesrs
such as gas mixture sesrs fr rm
air quality, ad actuatig elemets fr
dimmig lights istead f switchig
ad ff are cstatly beig imprved.
Sesrs ad actuatrs ca be etwrked
usig mder bus systems, which serves
t simplify istallati. I additi t this,
users ad peratrs ca simply chage
target values if eeded.
Energy optimization
of partial and overall
systems
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Itegti
Mder buildig autmati ad ctrl
systems such as DESIGO allw fr per-
maetly ptimized idividual prcesses
such as vetilati, air cditiig,
shadig r lightig i hspitals. At the
same time, DESIGO supprts efficiet
maagemet f the idividual cmp-
ets with regards t bth ecmical
ad eclgical aspects by etwrkig
partial systems withi a verall system.
A user-friedly iterface ca be used t
mitr all partial systems such as heat-
ig systems, vetilati ad air cdi-
tiig systems, lightig, shadig ad,
whe usig ur Ttal Buildig
Slutis, fire safety, access ctrl ad
security systems. The system is based
mder cmmuicati techlgies ad
stadard buildig autmati prtcls,
which meas third-party systems ca be
itegrated mre easily.
Chages f use, extesis r mderi-
zati f a partial system ca be carried
ut icremetally ad at ay time. The
systems grw with the requiremets ad
ca be exteded as eeded frm a small
system t cmplex ad distributed build-
ig autmati systems. Equipped with
IP techlgy ad pe databases, these
buildig autmati systems are safe,
value-retaiig ivestmets.
Our migrati ccept icludes the vari-
us service lives f system cmpets.
This meets the requiremets fr step-by-
step system reewal mderizati by
replacig existig applicatis i several
migrati phases as well as a lg sup-
prt time fr existig systems. I additi
t this, it allws the hspital busiess t
icrease its cmpetitiveess by imple-
metig ew techlgies. Miimizig
the techical risk reduces dw times
ad icreases the hspitals quality f
busiess.
Stdd ptcls itegted
i u buildig utmti
Stadards fr buildig autmati
have existed sice 1990 i Eurpe ad
mre recetly wrldwide. The bjective
csists f securig prduct quality,
specifyig prject specificatis fr
buildig autmati ad allwig frprvig the eergy efficiecy f
buildig autmati fuctis. Prm-
ti f device iterperability is iteded
t eable a wider rage f fuctiality
with a better price-perfrmace rati.
Buildig autmati fuctis shuld be
established as a ew cstructi task
ad the csts fr this shuld be paid ap-
prpriately. The result f this wrk is the
EN ISO 16484: It serves t stadardizebuildig autmati as a service i the
member states f ISO ad CEN. Eur-
pea regulatis require that stadards
accepted by CEN have t be implemet-
ed i all Eurpea cutries t ly
i the EU cutries ad atial
stadards have t be withdraw i
cases f cflict.
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We use iteratial stadards i
ur systems:
BACet
The Buildig Autmati ad Ctrl
Netwrk (BACet) is a data prtcl used
arud the wrld fr iterperable cm-
muicati betwee buildig autmati
ad security techlgy prducts ad
systems. Cmmuicati is carried ut
via stadardized trasfer media, which
are primarily Etheret, IP ad MS-TP i
Eurpe. BACet became EN ISO stadard
16484-5 i 2003 ad this stadard is
ctiuig t be develped i varius
wrk grups. Our techlgies supprt
the use f BACet.
KNX
The abbreviati (pruced Kex)stads fr mature itelliget etwrkig
f mder buildig techlgy accrd-
ig t EN 50090 ad ISO/IEC 14543 ad
is used thrughut the wrld. KNX is
implemeted i itegral rm autma-
ti fr lcal etwrkig f sesrs ad
actuatrs.
We als supprt ther idustry stadards:
LonMark
This is the iterest grup csistig
f cmpaies ad istitutis arud
the wrld, dealig with iterperable
prducts based the Lcal Operatig
Netwrk LON frm Echel. LON is
implemeted i itegral rm autma-
ti fr lcal etwrkig f sesrs ad
actuatrs.
Ope Pcess Ctl (OPC)
This is a stadardized sftware iterface,
which allws applicatis frm varius
differet maufacturers t exchage data
via Widws-based peratig systems. It
is w als supprted by .NET, but this
requires chagig the applicati sft-
ware fr OPC.
Due t the multi-platfrm apprach with
BACet, LON ad KNX itegrati, the
DESIGO buildig maagemet system
prvides the ifrmati frm all techi-
cal areas. This ifrmati ca eve be
called up frm remte lcatis usig
Web techlgies. This eables the str-
age ad reprtig f eergy csumpti
measuremets ur Web server ad the
respective reprts ca be called up via a
brwser r via m-mail.
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Itegl m utmti
Rm autmati describes the itegral
ctrl ad regulati f all systems i
a rm such as lightig, light directig,
heatig, clig, vetilati ad multi-
media devices fr audi r vide. Itegral
meas that the idividual devices i a
system are embedded, ca exchage
ifrmati ad have a uified user
iterface. Cceptually, the prcess t
implemet a itegral rm autmati
system begis i the plaig phase.
Tday plaig is carried ut usig rm
mdules t meet the requiremets fr
high flexibility i prvisi f the curret-
ly required rm requiremets. A rm
mdule represets the smallest pssible
uit, which is cmbied with ther rm
mdules t result i the actual rms
required.
In cases of room modifications, the
building technology is adjusted to suit its
new function solely by way of software
changes. Practical experience has shown
that even highly complex buildings can be
reduced to a few types of rooms. This re-
sults in standardization and simplification
of planning, execution and operation.
I additi t a icrease i cmfrt
ad flexibility, itegral rm autmati
ffers additial ptetial fr eergy
ptimizati. Sigificat ptetial ca
be used via the iteracti betwee
the systems. Example: The lwerig f
blids respds t data received frm the
weather stati as well as the rm tem-
perature, which was previusly used ly
fr idividual rm regulati f heatig
ad vetilati. Thus, the sus thermal
eergy ca be used mre efficietly i
the witer, fr example.
Oveview DESIGO
PX-WEB
DESIGO INSIGHT
DESIGO PX
DESIGO RX
DESIGOINSIGHT
BACnet
File server
RXB
Router
PXC
DESIGOWEB
Web client
PXC
INSIGHTOPEN
PX OPEN PXR PXC PX KNX
RXC RXC RXB
BACnet
BACnet
PXC PXC
PXM20
Mobilephone FaxPager Mail
DESIGOINSIGHT
DESIGO f feelig f well-beig
i the buildig
The requiremets placed advaced
buildig autmati ad ctrl
systems are demadig: Reliability is
a stadard feature w ad eergy
efficiecy ad cst ptimizati i
buildigs are madatry. DESIGO ur
buildig autmati ad ctrl system
satisfies these requiremets i supe-
rir style. DESIGO creates cmfrtablewrkig cditis i a buildig while
givig csiderati t ecmical ad
eclgical criteria.
The system perfrms its ctrl, regu-
latig ad mitrig tasks autmati-
cally ad elegatly i the backgrud.
DESIGO is t cfied t heatig, ve-
tilati ad air cditiig, but is als
a cmprehesive ad itegrated system
fr buildig maagemet cverig all
kids f buildig services, such as light-
ig, blid ctrl, safety ad security,access ctrl ad eergy distributi.
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Optimiztis f electiclistlltis
Gd buildig lightig ad lwerig f
blids ca ctribute t reducig eergy
requiremets a lg-term basis.
Lightig
The efficiency of lighting can be increased
by usig the apprpriate lightig ele-
mets such as replacig tugste bulbs
by flurescet lamps ad the use f LEDs
is als becmig icreasigly attractive
i this regard. Additially, efficiecy ca
be icreased usig mder peratig
devices such as electric ballasts as well
as highly effective lamps.
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Furthermre, eergy-savig ptetial
ca be fud i the switchig ad clas-
sificati f lightig grups t meet
specific requiremets. Halls r similar
rms, which are rarely used, shuld be
equipped with mti detectrs. I ad-
diti t this, the use f light guidace
systems allws fr better use f daylight,
which ca reduce the artificial lightig
required i a rm.
Buildig autmati ca be used t
ctrl lightig surces s that they
are autmatically dimmed whe mre
daylight eters the rm. This esures
that the brightess meets the respective
requiremets ad reduces pwer c-
sumpti t a miimum.
Additial eergy reductis ca be
achieved usig light rm desig: A
high degree f reflecti frm ceiligs
ad walls results i less eergy csump-
ti with the same amut f light.
Lweig f blids
The facade f a buildig ctributes t its
heat and provides protection from environ-
mental iflueces. Fr a rm i the
buildig, the lwerig f blids shuld
prvide ptimum su prtecti, while
usig the light withut a blidig effect
ad esure that heat is btaied withut
verheatig. These requiremets, sme
f which are ctradictry, require gd
ctrl systems which master the iterac-
ti betwee rm ad facade.
DESIGO RXC the itegted m
utmti sluti
The rm maagemet system DESIGO
RXC eables idividual cmfrt require-
mets fr the buildig ccupats. The
rm ctrller ad the rm devices
regulate, ctrl ad mitr the cm-
frt cditis i rms ad clsed
zes.
Ope cmmuicati based
LonMark techlgy allws fr itegra-
ti i ay buildig autmati system.
The buildig techlgy applicatis
fr heatig, vetilati, air cditi-
ig, lightig ad blids fr example ca
be mdified a prject-specific basis.
Simple istallati ad wirig ffer
savig ptetial with a high-quality
stadard.
Cmped t the EN stdds, the
eegy svigs with DESIGO RXC
pducts e up t 14 pecet due
t thei excellet ctl ccucy.
Suce: CSTB Fce
0%
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
5%
10%
15%
CA=max (CV, CSD) [K]
Energysavings[%]
Temperature control
Accuracy compliance CA:
eu.bac:
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Energy-saving
performance
contracting
Operatrs ca multiply their beefits with
eergy-savig perfrmace ctractig:
Mderizati ad ptimizati f the
buildig techlgy save eergy ad p-
eratig csts, icrease peratial safety,
raise the level f buildig efficiecy ad
make a psitive ctributi t evir-
metal prtecti. Retur ivestmet
is guarateed by savigs eergy ad
peratig csts.
Ficig mdel
The fiacig mdel guaratees that,
frm the begiig f the guaratee
util the ed f the ctractual perid,
all required savig measures are fiaced
ad additial savigs are distributed
amg the parters. We assume resp-
sibility fr savigs that are t attaied.
After the ed f the ctractual perid,
the hspital prfits 100 percet frm the
reduced csts.
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Eegy-svig pefmcectctig i pctice
The ut-patiet ceter Bremerhave-
Reikeheide GmbH i Germay was
built i 1975. At the begiig f 2006
it sught a eergy-savig perfrmace
ctractig parter thrughut the EU.
The reass: aged buildig techlgy,
icreasig eergy csts ad the health
refrm, which icreased the require-
mets f quality, prfitability ad ite-
sificati f cmpetiti.
We ivested apprximately 7.2 milli
euros in renewing the energy systems. This
served t decrease eergy csumpti
a lg-term basis ad the eergy csts
cmpared t the year 2004 were reduced
by 40.5 percet.
In addition to an entirely new building
autmati system, the ut-patiet
ceter acquired ew air cditiig
ad vetilati systems, ad ptimizati
f the heatig systems. Further efficiecy
measures were carried ut i the area
f steam ad water, ad the mai lw
vltage distributi, the cafeteria kitche
dishwashers, the steam sterilizers, the
medical cmpressed air supply ad the
clig system were fully replaced.
The ut-patiet ceter achieved part
f the savigs usig tw blck heat-
ig pwer geeratrs, e mdule f
which perated usig vegetable il. The
ivestmets fiace themselves ver a
ctractual twelve year perid frm the
saved eergy csts. This mre tha met
ur expectatis. We are t ly gettig
mder system techlgy, but we are
als savig the evirmet mre tha
3,200 ts f carb dixide emissis,
says Jrge Breuer, techical directr f
the Reikeheide cliic.
Fcts d figuesBemehve-Reieheide
Cmpets: ivestmets, maite-
ace, servicig ad fiacig
Ctract durati: 12 years
Guarateed eergy savigs:
520,000 eurs per year (40.5 percet)
Emissis savigs: 3,200 ts f CO
In the long term, energy-saving performance contracting with us pays off
Customer
savingGuaranteed savings
by Siemens
Reduced costs due toperformance-based solutions
Time (years)Duration of program
Baseline
Ene
rgy
ando
perationalcosts
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Electrical energy
distribution with
Totally Integrated Power
Secure ad csistet slutis are
required fr electrical eergy distributi
i buildigs. Our ffer is called Ttally
Itegrated Pwer. This csists f csist-
et, iterface-ptimized prducts ad
systems, which are ideally matched t
e ather ad cmplemeted by cm-
muicati ad sftware mdules, which
cect the eergy distributi t the
buildig autmati.
The prtfli rages frm plaig tls
t suitable hardware: frm switchig
systems ad distributi systems fr
medium vltage, trasfrmers, switchig
ad prtecti devices as well as switch-
ig systems ad track distributi fr
lw vltage thrugh t small distributi
uits ad pwer utlets. Bth the
maiteace-free medium vltage ad
the lw vltage switchig systems as well
as the track cectis are matched.
Overall prtecti systems esure prtec-
ti fr peple ad systems at all times.
Buildig peratrs ca use Ttally Ite-
grated Pwer t ptimize their peratig
csts while retaiig a high level f flex-
ibility fr chages f use.
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This is carried ut by way f the
fllwig:
Trasparecy f the eergy csump-
ti ad thus ptimizati f the eergy
csts. Cecti f pwer csumpti
devices t bus systems prvides the
required data. Eergy maagemet
prvides trasparecy f eergy csts
ad subscripti agreemets ca be
egtiated ptimally.
A high level f peratial safety ad
cecti f the eergy distributi t
buildig autmati. Cetral perati
serves t reduce dwtimes ad keep
csts t a miimum. I a selective desig,
ly the affected uits are switched ff
i cases f errrs, ad mdular systems
allw fr simple ad fast replacemet.
Csistet eegy distibutit the wes cmpestiisuce ccidet cliic iDuisbug, Gemy
I the healthcare sectr, pwer qual-
ity is a decisive elemet f patiet care.
Highly sesitive devices, the prper
fuctiig f which ca ly be esured
by a high-quality pwer supply, are used
fr mder diagsis ad i life-savig
measures. Pr pwer quality r a pwer
failure wuld have disastrus effects.
Fr example, a secure ad reliable pwer
supply culd lger be guarateed.
Ttally Itegrated Pwer esures the
highest stadard f reliability i eergy
distributi.
We prvided the fllwig fr the
wrkers cmpesati isurace
accidet cliic i Duisburg:
Dimesiig f eergy distributi
with SIMARIS desig
SIVACON lw vltage switchig
systems with cmmuicati via
Prfibus DP
Alpha lw vltage sub-distributr
Delta switches ad pwer utlets
Buildig autmati icludig lightig
ctrl
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Highest standards of hygiene
in the hospital
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Hygiene
I a hspital, hygiee is a daily challege:
New patiets, visitrs ad persel e-
ter the hspital every day. They all brig
ivisible viruses it the hspital. Fd
ad ther gds are als delivered a
daily basis. It is impssible t keep a place
with s much ctact ad mti free f
germs! Accrdig t a specialist medical
study eight t twelve percet f hspital
treatmet prcedures are hidered by
scmial effects r, i ther wrds,
ifectis acquired i the hspital.
Rm vetilati systems i the hspital
serve t maitai the required thermal
rm climate, extesive filterig f mi-
crrgaisms ad dust, aesthetic gases
ad drs i the air as well as the dissipa-
ti f heat lads. Here it is f utmst
imprtace that the thermal effects adpressure effects remai uder ctrl at
all times especially i surgery rms.
Air currets travelig frm e area t
ather ca be especially dagerus fr
hygiee. Fr example, cstructi dust
has a high percetage f fugus spres.
Therefre, cstructi measures i
hspitals have t be especially carefully
plaed. It pays t sped a bit mre
cstructi separati measures.
Dge psed by legiell
Legiella are bacteria primarily fud i
water ad damp evirmets, ad thus
they are fud i buildig techlgy
systems. They are a atural cmpet
f the micrflra f water. Drikig water
frm the lcal water supply lies always
ctais a limited umber f differet
bacteria. This culd als iclude legiel-la i exceptial cases.
The multiplicati f these represets
a hygiee risk ad this ca be caused
iside buildigs if water stagates ad is
warmed. Warm water systems are thus t
be istalled ad perated s as t make
legiella multiplicati impssible.
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Lw tubulece displcemetcuets
Lw turbulece displacemet currets
are supplied t the peratig rm via
a ceilig vet. It is especially imprtat
here that the rm temperature is higher
tha the temperature f the supplied air.
This causes the supplied air t be mved
dw by the thermal effect ad esures a
high level f hygieic safety. The perat-
ig ad istrumet tables are shielded
frm micrrgaisms i the air by the lw
turbulece displacemet curret. With
this type f vetilati, the risk is lw
that germs frm the utside will eter.
The highest level f hygiee regulatis
apply especially i peratig rms. The
smallest particles f plluti ca have
the hardest csequeces here, such
as whe ctamiats eter a patiets
wud.
Hygiene in the
operating room
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The ight tempetue tll times
The temperature f the supplied air is
imprtat fr the cmfrt f the team
f surges. I peratis requirig great
physical effrt such as isertig a hip
prsthesis, the team f physicias fte
requires a cler temperature tha i
relatively fier peratis. I the past,
the temperature i the peratig rm
was regulated directly frm the rm
ad the guidelie was 21C +/- 3C.
Tday, the temperatures are set frm the
ctrl ceter. Key figures are idividu-
ally allcated t each surge, s that
each pers ca wrk i a evirmet
matchig their prefereces.
Humidity d dust
Relative humidity als plays a imprtat
rle i the air quality. Mst peple per-
ceive relatively dry air t be ucmfrt-
able: Studies have revealed that air with a
higher level f humidity tha the refer-
ece value f 30 percet ca be experi-
eced as t dry by tested perss.
Hwever, a icrease i humidity ca
als prve t be prblematic. If there is
t much humidity, mildew develps at
places where water stads ad especially
i shwers ad baths. Fugus spres
are t dagerus fr peple with itact
defeses. But patiets i the hspital
fte d t have sufficiet defeses.
Therefre, gd air exchage with clea
filtered air is mre imprtat tha humid-
ity fr health. Tw utside air systems
shuld be istalled t esure fresh air
circulati durig gig hspital
perati. This icreases the security i
the case f failure ad i cases f regular
maiteace wrk.
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The gal f the validati is t establish
dcumeted evidece which prvides a
high degree f assurace that a specific
requiremet r prcess will csistetly
prduce a prduct meetig its pre-deter-
mied specificatis ad quality attri-
butes. Fr example, the maufacturig
f medicies has t result i germ-free
prducts with a high level f reliability
(1:1,000,000). The quality requiremet
fr validatig the sterilizati prcess is
specified i varius differet rdiaces.
Fr example, i Switzerlad it is c-
taied i article 19 f the medical prd-
uct rdiace frm the year 2001: The
peratr f a hspital is respsible fr
crrect validati. This primarily meas
that the represetative lads i rutie
perati have bee validated.
The peratr f the sterilizer has t have
specified i advace hw ad t what ex-
tet the ctets ad the spatial arrage-
met f his prducti batches vary. The
prcess wer is always respsible fr
the verall validati ad the result f
these batches, eve if the validati wrk
was de by a csultati r subc-
tractr.
Validation
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The validati f sterilizati prcesses
is specified i the EU. I additi t this,
hspitals are subject t the legal rder t
esure patiet care accrdig t the state
f techlgy ad sciece.
The EU directive serves as a legal frame-
wrk. Perfrmace ad security-related
prduct specificatis are t regulated
by the law. This is regulated i the rdi-
aces f the geeral requiremets f
the EC medical law, the fulfillmet f
which is t be prve. Withi the frame-
wrk f pickig, a series f prelimiary
cditis have bee specified as mada-
try specificatis i attachmet 3 f the
directive f the Germay Assciati fr
Hspital Hygiee fr the validati ad
rutie mitrig f sterilizati prc-
esses. These basic requiremets apply
acrss prducts ad prcesses ad are
based the respective state f tech-
lgy.
Based the example f the sterilizati
prcedure, success cat be cfirmed
with the fial prduct due t security
requiremets. It has t be esured that
the etire prcess ad its imprtat
parameters begiig with preparati
ad packagig f the sterilizati f the
prduct thrugh the required iterim
steps f sterilizati, release, strage,
distributi, dcumetati icludig
the required devices, equippig ad
certifyig persel are carried ut with
quality assurace accrdig t a validated
prcedure.
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Focusing
on the patient
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Cmpetitive pressure will icrease ad
hspitals are icreasigly tryig t attract
patiets. This is especially true f the de-
madig target grup f private patiets.
Up makig their selecti, patiets are
payig mre ad mre atteti t the
verall fferig f a hspital: gd medi-
cal care, the cmpetece f physicias
ad care persel ad a high level f
cmfrt are all icluded i their decisi
prcess. Key factrs iclude rm furish-
igs, care, cmmuicati ad etertai-
met fferig ad idividual supprt.
Patiets cvered by scial isurace
als require a certai stadard whe it
cmes t the ifrastructures i hspitals.
The patiets wat t have may f the
cveieces f their daily lives i the
hspital as well.
Comfort and
efficient operation
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Mes f cmmuictivilble t ll times
Meas f cmmuicati, which are
available at all times, have becme a mat-
ter f curse. Fr patiets it is especially
imprtat t keep ctact with the ut-
side wrld. May family members w
have jbs ad cat always make visits
t the hspital s that the telephe is
fte the ly meas f cmmuicati.
A large percetage f patiets d t
wat t lse the cecti t their w
wrkplaces either. They keep relati-
ships with emplyees ad custmers
aflat via telephe ad e-mail ctact.
Hspitals, which take the aspect f
cmfrt ad cmprehesive services it
csiderati, will wi market shares i
the lg ru.
Idividul ctl
Itegral rm autmati prvides a high
level f cmfrt. This is because it ca be
adjusted t suit patiet requiremets. I
additi, it ca be regulated idividually
fr differet prcesses such as peratis
fr example. Depedig the fuc-
ti f a rm, the requiremets f the
climatic cditis such as temperature,
lightig, vetilati ad humidity ca
vary widely.
A emphsis peple
O e had, the fucti f the rm
determies the requiremets ad, the
ther had, peple ad their idividual
requiremets have t be take it c-
siderati. A rm autmati system
ca be used t ctrl the climatic cdi-
tis, the lightig ad the su prtecti
f each idividual rm. If, fr example,
less light cmes thrugh the widw,
the the artificial lightig is autmatically
brighteed. Thus, may f the huma
eeds ad the techical requiremets
i all rms are autmatically cvered
withut the persel havig t take
care f it.
O the cuttig edge: the hspitl d
Luz i Lisb cmplete itegti
sluti
The mst mder ccepts f digital
etwrkig have bee implemeted i
the hspital da Luz i Lisb, Prtugal.
This icludes patiet termials i all pa-
tiet rms. I additi t rm ctrl,the termial prvides access t patiet
files, which ca be called up by the
physicia ad care persel after e-
terig prper idetificati. I additi,
telephe, televisi ad e-mail are
itegrated as meas f cmmuicati
ad the patiets ca als use etertai-
met ptis such as vide demad,
Iteret r radi ad games.
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I a peratig rm, umerus regula-
tis ad stadards pertaiig t build-
ig techlgy have t be adhered t.
The rms require the highest stadards
f hygiee ad security f the techlgy
as well as simple ad safe perati. The
schedule f a peratig rm, fr exam-
ple, has t be adjusted t the respective
prcedure each day ad emergecies ca
ecessitate chages t the plas. This
task as well as ther imprtat crdia-
ti activities is fte carried ut i a
cetral peratig rm ctrl ceter.
I additi t implemetig regulatis
ad stadards up istallati f the
varius systems, the peratig rms
have t be simple t perate by varius
differet users such as surges, assist-
ats, peratig rm care ad cleaig
staff r techicias. Therefre, graphical
user iterfaces are icreasigly beig
used i the peratig rm as a iter-
face betwee peple ad techlgy.
These ca be adjusted idividually t
suit the differet eeds. Operatig
evirmets such as heatig, vetila-
ti, clig, saitary ad pwer supply
are displayed via a uified iterface
a tuch pael.
Operation in modern
operating rooms
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The petig m sluti i the
muicipl hspitl Tiemli i Zuich,
Switzeld
The display f peratig states such as
HVAC alarmig, temperature r humid-
ity has bee slved usig a uified user
iterface a tuch pael. Predefied
peratis scearis ca be used t
perate all buildig techlgy. Up
system cstructi, a KNX rm
autmati with a Etheret backbe
ad csistet redudat techlgy
was istalled. The sluti allws the
user t btai a immediate verview
f the situati i the peratig rm,
fast adjustmet f the evirmetal
cditis ad a high level f hygiee.
Scearis defied fr differet types f
peratis ca be used t perate all
buildig techlgy. Thus, the peratig
rm ca quickly be switched frm e
sceari t ather with regards t
vetilati r lightig i a targeted ma-
er such as whe switchig frm a e-
dscpic perati t ather perati.
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Integral operation
of other rooms
ad the buildig techlgy ca be per-
ated i the rms directly via a tuch
pael, a PC r switches. At the tap f a
figer, e ca activate all switchig ad
ctrl prcedures ad view the curret
ambiet status at a glace.
Mder cferece rms ad lecture
halls are equipped with audi/vide sys-
tems, which ca iclude vide cameras,
PCs, micrphes, systems fr vide c-
fereces, prjectrs ad plasma screes.
Hwever, a successful presetati t
ly requires mder media techlgy.
The itegrati f buildig techlgy
is required t make cditis fr the
speaker ideal. The media cmpets
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Depedig the system cmpets,
the user f a rm ca request help frm
the admiistratr by simply pressig a
butt. The admiistratr ca respd t
this call fr help by sedig a predefied
message t the rm r by immedi-
ately frwardig a e-mail t the pers
respsible fr this rm such as the jai-
tr r techicia. The admiistratr als
has access t the devices at ay time.
Mder sftware lgs all prcedures,
which simplifies the wrk required fr
system supprt.
Music f elxti
Music i public spaces has a calmig
relaxig effect. The music server is c-
nected to the central control unit. Thus, it
is pssible t select betwee music that
has already bee set r receivig digital
radi. Depedig specific eeds, the
music, vlume ad sud ca be set r
switched ff i idividual rms.
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Ensuring security
through traceability
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Security as a
major challenge
Safety is a majr challege i hspitals.
This icludes the traditial tasks f fire
safety ad security, but als several e-
virmetal cditis: data pertaiig
t the air quality, heatig r clig as
well as the strage f critical ad specific
hspital items ad medicial prducts,
e.g. bld, cell r tissue samples, have t
be archived i a traceable maer. I ad-
diti t this, the temperature, humidity,
pressure, ad particle ad gas ctets i
the air have t be ctrlled. I cases f
deviati, alarms have t be set ad im-
mediate iterveti has t be esured.
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Tcebility vi the
Siemes Ifcete
The Ifceter is a verall system
desiged t mitr hspital perati
ad its prcesses. All relevat hspital
data is saved, which guaratees trace-
ability. I the aalysis prcess, all avail-
able data is prcessed t frm mea-
igful ifrmati. The system ffers
data evaluati, statistical evaluati f
values ad custmer-specific reprtig
ptis.
Amg ther thigs, the sluti ca
mitr critical prcesses, strage f
the hspital ivetry such as fd,
bld r tissue samples as well as
medicie ad treatmet research. If
eeded, the Ifceter triggers alarms
ad creates reprts. Furthermre, this
sluti esures that the data cat
be subsequetly maipulated.
Kwig whe item ws i lcti
Data recrdig durig preparati ad
actual deliveries is carried ut with
precise time etries abut the prcedure.
Thus, it is pssible t determie the exact
path take by the respective items r the
prcess such as clig ad humidifyig:
Whe was the item ready fr delivery?
Whe was it received by lgistics? Whe
was it prvided t the recipiet? At which
peratig temperatures was it stred?
Hw lg was it stred? Target ad actual
values are cmpared ad stred a
gig basis. This serves t prtect
patiets ad persel ad perate
hspital prcesses i a efficiet ad safe
maer.
The itrducti f legal stipulatis
requires a eed fr acti i lgistics
departmets as well as i the hspitals
itegrated prcesses: declarati regula-
tis require specificati f rigi ad
ifrmati pertaiig t the meas f
prducti. Replicable ad stadardized
quality as well as traceability serve as a
fudati fr s-called Gd Mau-
facturig Practices ad serve t make
medicies mre ctrllable.
I medicie therapy, there is a tred t
retur t patiet-specific prducti.
This has t be dcumeted, reprduc-
ible, stadardized ad validated s that
the security f the maufacturig prc-
ess, the quality ad the ctrl ca be
guarateed.
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Mder techlgies ca sigificatly
supprt the efficiet ad safe perati
f a hspital: The supply security ad
cmfrt fr patiets ad persel ca
be imprved. Eergy efficiecy ca be
icreased by way f streamliig prc-
esses ad resurce maagemet ad
system perati ca be ptimized usig
itegrated maagemet systems ad
prfessial facility maagemet.
Dager alarm systems wrk eve mre
precisely with ew sesrs ad IT tech-
nology. Subsystems are linked intelligently
by way f etwrkig. All imprtat sys-
tems have t be able t be redudat ad
data prtecti is subject t the highest
requiremets.
The systems ca reveal their true pte-
tial whe all buildig techlgy systems
wrk tgether i harmy. Optimum
security, maximum peratig efficiecy
ad the highest pssible cmfrt are theguarateed.
Summary
We eable full use f syergies with ur
itegrated buildig slutis. We ffer a
cmprehesive prduct rage as well as
prve services ad slutis, which are
exactly custmized t meet the eeds f
each buildig ad the prcesses ite-
grated therei.
Mre tha 1,500 referece systems i the
Eurpea healthcare sectr serve as evi-
dece f ur extesive practical experi-
ece with the requiremets f hspitals
we prvide well-plaed custmized
slutis that are mdular ad scalable.
With a tightly wve service etwrk, we
prvide ur custmers with a lg-term
effective ctributi t future-rieted
healthy develpmet f peratis.
Use the supprt frm a sigle surce by
ur specialists with glbal experiece i
the hspital ad ut-patiet care sectr
t fid, istall, perate ad fiace the
best pssible sluti fr yur busiess.
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5
4
3
2
1
0
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Efficiecy
clig plat
Efficiecy heatig plat
Optimizati fthe warm water
csumpti
Ctrl f heat ad clig
distributi fr HVAC applicatis
Optimizati f
the light ctrl
Eergy
trasparecy
Degree f
buildig techlgy
Efficiecycmpets
Ctrl f air
cditiig system
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Exmple
1 (vey p) 2 (p) 3 (stisfcty) 4 (gd) 5 (vey gd)
Ctl f het d
clig distibuti
f HVAC pplictis
(excl. pcesses)
Maual Cstat tem-
perature ad
vlume flw
(24/7) accrd-
ig t utside
temperature
Supply tempera-
ture ad vlume
flw with rm
thermstats
Temperatures ad
vlume flw c-
trlled depedet
demad (f user)
ad weather with
rm thermstats
ad ight setback
Temperatures ad vlume
flw ctrlled depe-
det demad (f user)
ad weather with rm
thermstats ad ight
setback with self learig
ctrls
Optimizti f the
light ctl
Maual /ff Time switches Mti detectrs
ad time switches
Mti detectrs
ad time switches
with idividualschedules
Idividual day light c-
trl icl. mti detectrs
ad cetralized lightigctrl fr cmm areas
ad utside lightig
Eegy tspecy N
csiderati
Maual re-
crdig f bill-
ig data, e.g.
eergy ad
water, yearly
resluti
Maual mai
meter eergy ad
water billig data,
maual weather
adjusted, mthly
resluti
Autmated mai-
ad sub-meter
data icl. weather
adjustmet, weekly
resluti
As metied befre
plus eergy budgets fr
dedicated areas r plats
icl. autmated alarmig
Ctl f i
cditiig system
Maual Cstat
temperature
ad vlume
flw (24/7)
Cstat temper-
ature ad vlume
flw, timer-c-
trlled
Cstat tempera-
ture ad vlume
flw, timer-c-
trlled, perfrmacemitrig
Demad-ctrlled
vetilati depedig
CO ad temperature
level icl. perfrmacemitrig
Efficiecy cmpets < 60% 60 70% 70 80% 80 85% > 85%
Degee f buildig
techlgy
Nt used Rarely used Used 3 4 times
a week
Daily usage,
regular updates
Pr-actively used, evalu-
ati f tred data, de-
ducti f ptimizati
measures
Optimizti
f the wm wte
csumpti
N
csiderati
Cstat WW-
recirculati
Electric tracig Optimized vlume
flw with cstat
WW-recirculati
Optimized vlume flw
with electric tracig
Efficiecy clig plt
(chille, pumps, cligtwe) COP*
< 2 2.1 2.5 2.6 3.5 3.6 4.5 > 4.5
Efficiecy hetig plt
(bile d pumps)
< 60% 60 70% 70 80% 80 85% > 85%
Target
Current status
Criteria for the optimization of the building management system. *COP: Coefficient of performance
5
4
3
2
1
0
Efficiency
cooling plant
Efficiency
heating plant
Efficiency
components
Control of air
conditioning system
Energy
transparency
Control of heat and cooling
distribution for HVAC applications
Optimization of
the warm water
consumption
Degree of
building technology
Optimization of
the light control
7/27/2019 More Energy Efficiency and More Comfort in Hospitals
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Siemes Switzerlad Ltd
Buildig Techlgies Divisi
Iteratial Headquarters
Gubelstrasse 22
CH-6301 Zug
Tel +41 41 724 24 24
Fax +41 41 724 35 22
The ifrmati i this dcumet ctais geeral descriptis f techical ptis available,
which d t always have t be preset i idividual cases. The required features shuld therefre
be specified i each idividual case at the time f clsig the ctract.
Widws is a registered trademark f Micrsft Crprati.
Subject t chage Order . 0-92127-e
Siemes Switzerlad Ltd Prited i Switzerlad 1,50806
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