Case Study of Broadgate Tower, London on Climate, Context, Architectural design and Building Services
21/22 ART631 Mega-Buildings design – Phase 1 MSc Sustainable Mega-Buildings
By Deepak K Sadhwani December 2021
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st or i caldevel opmentoft he si t e THE BROADGATE TOWERHi 19401960
The l i ver poolst r eetst at i on as wel last he br oad st r eetst at i on nextt oi thad been expanded i n si ze and t he numberoft r ai nl i ne. The si t e wast r ai nl i nesatt hat t i me.
The broadgate tower
19802007
The br oad st r eetst at i on had been demol i shed i n 1986 and r epl aced byt he Br oadgat e of f i ce. The t r acksr unni ng i nt o Li ver pool St r eetSt at i on headsunder neat h t he gr ound t o of f erspace f or of f i ce bl ocks.
Pr esentdays
Li ver poolst r eetst at i on r emai ns and t he t r ai nl i neschanged t he t r ackst o pr ovi de space f ort he f oundat i onsoft he t wo t ower s above.Al so,t he pr i mr ose st r eet f orpeopl et o accesst he si t e.
Fi gur e1:Met hodol ogyFl ow Char t© Aut hor The Boadgat e Tower
Land Use
Fi gur e 3:Land Use,Col our i ng London
TheCi t yofLondon i st hehear toft hewor l d' sl eadi ng f i nanci al ,busi ness and mar i t i mecent r e,l and usesi ncl udi ng of f i ces,r et ai land hot el s. To encour ageheal t hyl i f est yl esf oral lt heCi t y' scommuni t i esi mpr oved accesst o open spaceand f aci l i t i esi sencour aged( Ci t yofLondon,2021) .
Ur ban Cont ext
Fi gur e 2:Hi st or i calmap,l ayer sofl ondon
k es’wal nut 5 mi
Fi gur e 4:Al ll i nesl ead t o StPaul ’ s,t heguar di an. com
StPaul sVi ew Cor r i dor s
Longdi st ance vi ewsofStPaul ’ sCat hedr al ,of t en cr ossi ng bor ough boundar i es,l i mi tt he desi gn ofnew devel opment s al ong cer t ai n vi ewi ng cor r i dor s( Ci t yofLondon,2021) . The cl ust err i sesi nt he ar ea on t he map once conser vat i on and hi st or i car easar e subt r act ed,al ong wi t h conver gi ng l i nesand cor r i dor st hatpr ot ectvi ewsofStPaul ’ s Cat hedr al ,t he TowerofLondon ort he Monument ( Ci t yof London,2021) .
Skyl i ne I mpl i cat i ons
10
k al w ’ es t nu mi
Fi gur e 5:l ondon skyl i ne,unspl ash. com
Mostt al lbui l di ngsgener at ed i n one space whi ch pr ovi ded an i coni cskyl i ne f orl ondon,aswel laspl ans f ornew bui l di ngsconst ant l yi nt he pi pel i ne. Fi gur e 7:ci t yofl ondon. gov. uk Tal lbui l di ng pr oposal smustcompl ywi t ht he Ci vi l S e r v i c e s c a n b e u s e f u l f o r p e o p l e wh o wo r k i n b r o a d g a t e t o we r o r Avi at i on Aut hor i t y' s( CAA' s)avi at i on saf eguar di ng pol i cy passenger s.Publ i ct r anspor t at i on ar ecommonl yused i nt hi sbusyar ea. 1.The Shar d( 1st )2.22 Bi shopsgat e( 2nd)3.Her on Tower( 5t h)4.The Leadenhal lbui l di ng ( 6t h) f orcent r alLondon,whi ch set sa maxi mum hei ght 5.The Scal pel( 13t h)6.30 StMar yAxe ( 18t h)7.100 Bi shopsgat e( 20t h)8.Br oadgat e Tower( 25t h) S t r eett r eesar e pl ant ed i nt he pedest r i an r eal m and gar dens. l i mi t at i on of309. 6m ( 1, 016 f t )AOD. 9.20 Fenchur ch St r eet( 26t h)
Tr anspor t at i on Anal ysi s
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Rai l way
Secondar yVehi cl e Ci r cul at i on Pr i mar yVehi cl e Ci r cul at i on Pedest r i an
Wal k
Pedest r i an Access Vehi cl eAccess Par ki ng Di sabl ed Access
Fi gur e10:openst r eetmap
Fi gur e 12:OpenSt r eet Map
The si t e eastt ot he mai n st r eet“Nor t on Fol gat e” A10,l ocat ed bet ween nor t h wor shi p stand pr i mr ose st .The si t ei svehi cl e accessi bl ef r om t he sout h and t her ei sa par ki ng l otnextt ot he bui l di ng.Nextt ot he Br oadgat et oweri s201 Bi shopsgat e bui l tpr evi ousl y,t he Af r ame suppor t col umnscr eat e a new pedest r i an gal l er i ai nt he mi ddl e.Gr een mapl et r eeswer e pl ant ed i nt he pedest r i an.Bot h accesspr ovi de di sabl ed access. Thenear estbusst op i swor shi p st r eeton t henor t h.
Fi gur e8:Googl emap
TheBr oadgat eT owerc r eat esal andmar kf ort henor t her ngat ewayt ot heCi t yand of f er shi ghqual i t yof f i c eac c ommodat i onatani mpor t antl oc at i onc l os et ot hek ey Fi gur e9:br oadgat e. c o. uk t r ans por t at i onhubatofL i v er poolSt r eetSt at i on.
Busst op
Gr een Space
Br oadgat ePl azawhi ch i sal i ghtf i l l ed avenuewi t h gr een bamboo seat i ng pl ant er sand an i nt r i cat egl azi ng st r uct ur e Fi gur e11:mapst yl ewi t hgoogl e Fi gur e 12:t r anspor t at i on,r eal l a. co. uk o ver head secur ed t ot hegr ound( Br oadgat e,2022) .
I ssues
Fi gur e16:br oadgat e. co. uk
1.Noi sei ssues:noi sef r om r oads,bar s,passenger s, especi al l yt r ai nl i nenoi sef r om under gr ound can af f ectpeopl ewho wor ki nt hebui l di ng al ot .
Economi cand Soci alI mpact s
ackofgr een space,even t hough t her ear esome Fi gur e 15,EAT,DRI NK,SHOP & GYM, 2.L br oadgat e. co. uk t r eespl ant ed i nt heavenuebet ween t het wo bui l di ngs.
Soci al& Cul turalActi vi ti es Towor k-Officebui l di ngs Tosoci al-bar s,caf es,r est aur ant s,gar dens Toshop -r et ai l s Tor el ax-Museums,Gal l er i es,Scul pt ur es Char act eri scr eat ed byt he i nt er pl ayofdi f f er entel ement s, i ncl udi ng t he physi calorbui l tel ement st hatmake up t he pl ace, t he cul t ur al ,soci aland economi cf act or swhi ch have combi ned t o cr eat ei dent i t y,and t he peopl e associ at ed wi t hi tt hr ough mor i es,associ at i on and act i vi t y( br oadgat e,2022) . Fi gur e 14:noi se map, me cr yst al r oof . co. uk Economi ci mpacts Const r uct i on cost :￡ 227 mi l l i onst o shel land cor e Rai land Road noi se Oper at i on cost :r at es￡ 22. 00,ser vi ce char ge ￡ 9. 5 persq f t The l ocat i on i sl i kel yt o be exposed t o Road Tr af f i c R e n t : g u i d i n g r e n t ￡ 6 9 . 5 0 p e r s q f t , r a t e s ￡ 2 2 . 0 0 p e r s q f t , noi se.Expect ed aver age noi se l eveli s55. 059. 9 db. ser vi ce char ge ￡ 9. 5 persq f t Possi bl e noi se i ssue:21m away. Empl oyment :￡ 2850035000 a yearor￡ 13 perhour Bars,pubsand cl ubsnoi se The economi cval ue i shi gh,f orexampl e: Dr i nki ng est abl i shment snear byar e notnecessar i l y T h e B r o a d g a t e T o we r , L e v e l 1 4 i s a l e a s ehol d pr oper t y-i ti s an i ssue.Noi se di st ur bance can be caused i fvi si t or s r anked ast he mostexpensi ve pr oper t yi n EC2M 3UG,wi t ha ar e al l owed t o dr i nkout si de ort end t ol eave l oudl y val uat i on of£425, 000.Si nce i tl astsol di n Febr uar y2014 f or af t ert hei rni ghtout . £286, 000,i t sval ue hasi ncr eased by£139, 000. Possi bl e noi se i ssue:87m away.
Noi se Anal ysi s
Fi gur e 13:noi se r at e,commodi ous. co. uk
Besi des,i tt akesmor et han 10 mi nut est ot hecl osest gar den.
Ref er ences
Ci t yofLondon,2021.Devel opmentand l and usest at i st i csCi t yofLondon. [ onl i ne]Ci t yof l ondon. gov. uk.Avai l abl eat :<ht t ps: / / www. ci t yof l ondon. gov. uk/ ser vi ces/ pl anni ng/ pl anni ngpol i cy/ devel opment andl andusest at i st i cs> [ Accessed 26 Januar y2022] . Wai nwr i ght ,O.and Ul manu,M. ,2015.' At or t ur ed heap oft ower s' :t he London skyl i neoft omor r ow.[ onl i ne]t heGuar di an.Avai l abl eat : <ht t ps: / / www. t heguar di an. com/ ar t anddesi gn/ 2015/ dec/ 11/ ci t yof l ondonskyl i neof t omor r owi nt er act i ve> [ Accessed 27 Januar y2022] . Ci t yofLondon,2021.Pr ot ect ed vi ewsand t al lbui l di ngsCi t yofLondon. [ onl i ne]Ci t yof l ondon. gov. uk.Avai l abl eat :<ht t ps: / / www. ci t yof l ondon. gov. uk/ ser vi ces/ pl anni ng/ pl anni ngpol i cy/ pr ot ect edvi ewsandt al l bui l di ngs> [ Accessed 27 Januar y2022] . Br oadgat e,2022.Eat ,Dr i nk,Shop i n Br oadgat e|Shops,Rest aur ant s, Bar s,Gym & Sal ons.[ onl i ne]Br oadgat e. co. uk.Avai l abl eat :<ht t ps: / / www. br oadgat e. co. uk/ eat dr i nkshop?page=4> [ Accessed 27 Januar y2022] . Br oadgat e,2022.Fl exi bl e& Moder n Of f i ceWor kspacef orRent|The Br oadgat eTower ,London.[ onl i ne]Br oadgat e. co. uk.Avai l abl eat : <ht t ps: / / www. br oadgat e. co. uk/ bui l di ng/ t hebr oadgat et ower >[ Accessed 27 Januar y2022] .
Shadow Anal ysi s The si t e st ays cool dur i ng t he maj or i t y of June wi t h ear l y sunr i se and l at e sunset .
Broadgate
Broadgate
- Shadow ( up t o 100M) ar e f or med on t he West .
9 AM
Br oadgat e Toweri sl ocat ed i n Ci t yofLondon. I tf al l si nt he cf b regi on as per Koppengei ger cl i mat e cl assi f i cat i on. Temperate | Wi thoutdry season | W arm summer
On
-Shadow f r om 201 Bi shopsgat e f al l son t he canopy
I t get s col der dur i ng Sept ember wi t h sl i ght l yl at e sunr i se and sunset . Extreme col d i s obser ved dur i ng Decemberwi t h shor tsunl i ghthour s.
-Shadow (up t o50M)i sf or med
12 noon
Locati on
June 21st
Cl i mate Anal ysi s
C2063357-Sadhwani| C2047698 -Li
From
on t he Nor t h. - No i mpact of shadows f r om near bybui l di ngs
Col d
Fi gur e 20.AnnualSunpat h Di agr am
-Long Shadow (up t o 150M)i s
Cool
Overal lComf ortZone
- No i mpact of shadows f r om
Average annualDBT:3°C t o 14°C Lowest-December:4°C Hi ghest-June :28°C Comf ortZone :20°C t o 24°C (June t o August )
near bybui l di ngs
Average RH :56% t o 78% LowestRec -May :16% Hi ghestRec-Jan & Sept:100% Comf ortZone :30% t o 70%
Sol arRadi ati on Range
- Long Nar r ow Shadow ( up t o
9 AM
Comf ortRH
cast ed on t he Nor t h-East .
DBT x RH
250M) i sf or med on t he Nor t hWest . -Shadow f r om 201 Bi shopsgat e
September21st
Comf ortDBT
3 PM
Sour ce.Ladybug
GHS f l ows i n a si nusodi al cur ve t hr oughoutt he yearwi t ht he peak of~850 kW / m2 i n Jul y. DNS r angesf r om 150 t o 90 kWh/ m2
f al l son t he canopy. - Shadow ( up t o 150M) i s
12 noon
Cl i mate Parameters
Ext r eme Col d
f or med on t he Nor t h. -Shadow f r om 201 Bi shopsgat e f al l son t he canopy. -Long Shadow (up t o 300M)i s
3 PM
f or med on t he Nor t h -East . - Shadow
The pr oj ect si t e r ecei ves maxi mum & Sept ember .
Fi gur e 17.Cl i mat e gr aphs.( a) Temper at ur exr el at i ve Humi di t y.( b) Di r ect Nor maland
- Sun r i ses up at t hi s poi nt i n
Gl obalHor i zont alSol arr adi at i on.( c)Pr eci pi t at i on Gr aph.Sour ce.Aut hor .
t i me
9 AM
Comf or t abl e hour s:~9%
Evapor at i ve cool i ng :~1%
Fan f or ced vent i l at i on :~1%
-Long Shadow (up t o 300M)i s
12 noon
Ther malMass+ Ni ghtpur ge :~1%
December21st
As per t he par amet er sf or ASHRAE St andar d 552004 usi ng PMV, Psychr omet r i c dat a f or t he si t e suggest s comf or t abl e r anges f or ~9% hour s.
sur r oundi ng
bui l di ngsf al lon t he Westf acade
r ai nf aldur i ng t he mont hsofJul y,August
ThermalComf ort
f r om
f or med on t he Nor t h. -Shadow f r om 201 Bi shopsgat e f al l son t he canopy.
I nt er nalHeatGai n :~35% -Long Shadow (up t o 350M)i s
Fi gur e 18.Psychr omet r i cChar tf orSt .JamesPar k,London.Sour ce.Ladybyg
Demhumi di f i cat i on :~1%
Over al lcomf or tusi ng Passi ve st r at egi es:~50%
Fi gur e 19.Passi ve Desi gn St r at egi esf orpr oj ectsi t e.Sour ce.Ladybyg
f or med on t he Nor t h-East .
3 PM
Comf or t Zone
- Shadow Fi gur e 21.Shadow anal ysi s.Sour ce.Sket chUp
f r om
sur r oundi ng
bui l di ngsf al lon t he Westf acade
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Anal ysi sTi me Peri od – 9: 00 to 18: 00 hours
June 21st
The l owerpar toft he t owerr ecei ve l ow heatgai nst hr ough r adi at i on ascompar ed t oi t sexposed par t . Thi si spr i mar i l ydue t o shadi ng cr eat ed by l ow ri se devel opmentar ound t he t ower . North -W estFacade
June 21st
Tot al Radi at i on f al l i ng on t he sur f ace of t he bui l di ng = ~36000 kW h Eastand Sout h Façade r ecei ve maj orheatgai ns i nt he summermont hsof~ 2. 10 kW h/m2 Nor t h and Westf açade r ecei ve l ow heatgai ns~ 1. 40 kW h/ m2
Tot al Radi at i on f al l i ng on t he sur f ace of t he bui l di ng = ~27500 kW h
September21st
September21st
December21st
Level1
A gr adat i on ofr adi at i on hasbeen obser ved on t he bui l di ng asperhei ght.
East-South Facade
Dayl i ghtAnal ysi s
Eastand Sout h Façade r ecei ve maj orheatgai ns i nt he summermont hsof~1. 73 kWh/ m2 Nor t h and Westf açade r ecei ve l ow heatgai ns~ 0. 87 kW h/ m2
Level33 Level24 Level12
Radi ati on Anal ysi s
Fi gur e 23.Dayl i ghtSi mul at i on f orvar yi ng hei ght si n June,Sept emberand December .Sour ce.Desi gn Bui l di er
Sout h and EastFacader eci evedi r ectsunl i ght ,butt heef f ecti smaj or l yr ef l ect ed onl yon l evel s above 100M. Level1 t o Level5 do notr eci eve opt i um i l l umi nance due t ot he sur r oundi ng bui l tenvi r onment . I n wi nt er ,l owerl evelf l oor pl at esal so r eci eve opt i mum i l l umi nance due t ot he angl e oft he sun. Maj or i t y of t he f l oor pl at e does not r eci eve CI BSE r ecommended dayl i ght l evel ( 500 l ux) , especi al l yi nt he cent r e and Westoft he f l oor pl at e.
CFD Anal ysi s
December21st
kWh/ m2 3. 50< 2. 10 1. 75 1. 40 1. 30 1. 05 0. 70 0. 35 0. 20 0. 03
Fi gur e 22.Sol arRadi at i on Anal ysi s.Sour ce.Ladybug
Tot alRadi at i on f al l i ng on t he sur f ace oft he bui l di ng = ~3400 kW h
Nor t hr ecei vet hel owestheatgai ns~ 0. 11 kW h/ m2
Jul y has been mar ked as car r yi ng peak wi nd speedsf ormaxi mum numberofhour s.
Januar y
Febr uar y
Gentl e breeze ofar ound 2. 5m/ s ar e obser ved f ort he mont hsofMarch,May,and August. Mar ch
Apr i l
Li ght breeze ofar ound 4 m/ si s obser ved f or June & November. Fresh breeze ofar ound8m/ si sobser vedf ort he mont hs of February, Apri l , September, October& Decemer.
May
June
Jul y
August
Sept ember
Oct ober
November
December
Fi gur e 24.Wi nd WheelDi agr ams.Sour ce Cl i mat e Consul t ant
B
Eastand Sout h Façade r ecei ve maj or heatgai ns i nt he summermont hs of ~0. 17 kWh/ m2
Hi gh wi nd vel oci ti es of over 24m/ s ar e obser ved f or January & Jul y cr eat i ng an exper i ence ofst r ong br eeze f ort he pedest r i ans.
Wi nd Anal ysi s
A
A Comput at i onal Fl ui d Dynami cs ( CFD) Si mul at i on hasbeen pr epar ed t o under st and t he i mpactoft hi shar sh wi nd i nt he si t e cont ext .
AnnualWi nd Wheel
A
B
At 5M Hei ght, t he nat ur al wi nd f l ow i s obst r uct ed at t ower ’ sNor t hf ace,i ncr easi ng t hewi nd i nsi det hepedest r i an r eal m t o nearl y 5 m/s.Thi s gi ves an i mpr essi on of Li ght to Moderate breeze as per The Beauf or tf or ce scal e.
At 25M Hei ght, a si mi l ar At100M Hei ght, pat t er n i s obser ved wi t h Nor t h f açade i s obser ved t o sl i ght l yl owervel oci t y. have hi gh t ur bul ence ofmore than 12 m/s. Most of t he har sh wi nd i s he har sh wi nd of bl ocked by t he t ower i nt he Most of t >24m/ s i s bl ocked by t he Nor t h. t oweri nt he Nor t h.
The ef f ect i s t hat of Smal l br anches movi ng; dust and l oose paperr ai sesi nt ot he ai r .
The t owerexper i ence har sh wi nd of12 m/ s on t he Nor t h Facde af t er a hei ght of 36m. Thi s i s due t o t he pr esence of a G+12 bui l di ng att he nor t h.
Secti on A-A
Secti on B-B
Fi gur e 25.CFD Si mul at i on t o assesst he i mpactofhar sh wi nd.Sour ce.Desi gn Bui l di er
Broadgate Tower
StructuralDynami cs
The screeni ng skel etal structure, wi t h i t s spi ndl eshaped di agonalmember s, pr ovi des br aci ng st r engt h i n t he di r ect i on al ong t he t ower .
161. 3M Tal l| 35 Fl oor sabove gr ound |1 bel ow Gr ossBui l t up Ar ea 56, 878 m² Of f i ces Typol ogy
Mi xed t enant
Budget
240 mi l l i on £
C2063357-Sadhwani| C2047698 -Li
The massi ng wasi nf or med by
Load f r om 26 f l oor sabove Ti edown Cabl e Fl oorSt eelbeam
Modul esof6 f l oors encl osed wi t hi ng t he br aci ng
a. Structural compl exi ti es of t he r af ton whi ch i ti sconst r uct ed.
Compr essi on St r ut Lowerst or eycol umn
b.Hei ghtrestri cti ons due t o St . Paul ’ svi ew cor r i dor s.
1stBr aci ng modul e compr i ses of5 f l oorsl opi ng atri um
Al t hough t he st r uct ur e appear st o bebr aci ngt hebaseoft hebui l di ng agai nsthor i zont alwi nd f or ces,i t s mai n pur pose i st or esi st ver t i cal Fi gur e27.Scr eeni ngskel et alst r uct ur eel abl oadsf r om col umnson t hatsi deof orati ng br acef r ame st r uct ur e and per i met er col umns. t he bui l di ng.
A ver y st r ong hor i zont al gr oundf l oor suspended st r uct ur ecompl et est het r i angul at i on off or ces.( Char l eson 2015)
Space f or Rai l wayl i nes Compr essi on i n f oundat i on st r uct ur e
Fi gur e 28.Sect i on expl ai ni ng t r ansf erst r uct ur e of ver t i call oads
Fl oorpl ate Ef f i ci ency Per i met er col umns wi t h br aci ng and si demount ed cor esal l ow f or open f l oorpl ates,whi ch i nt ur n al l ows f or a mul ti tude of i nteri arf i t-outs,as desi r ed by t he occupant .
Fi gur e 26.Schemat i c modelofBr oadgat et ower and Under gr ound r ai l way l i nesl ocat ed beneat ht he r af tf oundat i on const r uct ed i n 1985.
St ai nl essSt eell ouver s Pl antr oom & Li f tmachi ner y St ai nl essSt eelcl addi ng on RCC Shearwal l Low e coat ed gl ass 1. 5m xf l oorhei ghtmodul e Low e 70/ 39 coat ed gl ass 2. 5m xf l oorhei ghtmodul e Low e 70/ 39 coat ed gl ass At r i um l obbywi t h mul l i ons St ai nl essSt eeldi agr i d Spandr elpanel s Sour ce.JosefGar t ner
Fabri cStrategy
20M x84M Fl oor pl at e 12M Ver t i calgr i ds LowerLevel of f i ces-3r dt o 18t h Fl oor
78 pax@ 15. 5 sqm/pax Fi gur e 29.Fl oor pl at e Ef f eci ency
UpperLevel of f i ces-3r dt o 18t h Fl oor
120 pax@ 10. 1 sqm/pax
The hi ghl y gl azed f açade r espondst ot he demand f or hi gh l evel s of natural l i ght, coupl ed wi t h a degr ee of occupant cont r ol of vent i l at i on and t emper at ur e ( vi a BMS) . Thef açadei svent edwi t hni ght-ti mepurgi ng andhas bl i nds t hat ar e cl osed over weekends t o avoi d sol ar gai n. The bui l di ng has hi gh thermal mass pr ovi ded by exposed concr et e cei l i ngsand col umns.( Edwar ds2013) The l owE coat ed gl ass used f ort he ext er nalf acades reduces sol ar gai n and keeps coolai ri nsi de, t hus decr easi ng t he need f orcool i ng. Fi gur e 30.Bui l di ng f abr i cSpeci f i cat i on
76%
74%
Tabl e 1.Bui l di ng f abr i cSpeci f i cat i on
119 pax@ 10 sqm/pax
Bui l di ng Servi ces Cool i ng Tower s Level34
Pl ant
Pl ant FuelOi l
Pl antRoom Level2
HVAC System
• W atercool ed chi l l erswi t h al ow t ur n downr at i ot oenabl ebenef i t sofchi l l er st o bepassed ont ot het enanti n al loper at i ng condi t i ons. • Centri f ugal vari abl e speed dri ves f i t t ed t o al lpumps and f ans mat ched t o cool i ng l oad. • Cool i ng towersf orheatr ej ect i on. •Fan coi luni tswi t h EDC mot or s • Heat recovery f r om of f i ce vent i l at i on pl antusi ng thermalwheel s( Chegutet . al2013) .
Fi r e St ai r case Nor t h exi t
Fi gur e 32.HVAC Schemat i cPl an
Fi re Fi ghti ng
Acti ve Fi re Protecti on A.Fi re detecti on & al arm systems -Smoke & heatdet ect or s -Fi r e Command Cont r ol Room on Mezzani ne f l oor -VA syst em wi t h 55 l oudspeakerzones -125 Fi r et el ephones& beacons B.Fi xed Fi re-f i ghti ng System -Spr i nkl ersyst em -Fi r e ext i ngui sher s
Fi r e Command Cent r e
Hi gh Ri se El evat or Level s 01, 02,18 -33
I n or der t o cl osel y moni t or ener gy and ot her r esour ce use i n t hi s t ower ,as wel las al l owi ng occupi er s t o t ake cont r ol of t hei r own wor k envi r onment s,t her ei sextensi ve submeteri ng. Subst at i on Level2
Subst at i on Level1
- A compr ehensi ve bui l di ng management and moni tori ng system. - Thi s al l ows t he envi r onment al per f or mance ( Energy meteri ng of chi l l ed water, hot water and el ectri cal servi ces) t o be r epor t ed and di spl ayed t hr oughoutt he t ower . - Of f i ce l i ghti ng t o have di mmi ng,pr esence and dayl i ght i ng cont r ol .
Pl umbi ng System Suppl yand Ret ur n Ai rGr i l l es
Fi r e St ai r case Sout h exi t
El ectri cal& Li ghti ng System
Low Ri se El evat or Level01 19 GoodsEl evat or Al ll evel s
Fi r e spr i nkl er s
Fi r e st ai r case
Fi gur e 34.Fi r ef i ght i ng Schemat i cPl an
Fi gur e 33.( a)Li ght i ng Fi t out . ( b) Li ght i ng Schemat i cPl an
Passi ve Fi re Protecti on A. Internal Fi re Resi stance Structure -St eel concr et e composi t ef l oor– pr ovi desup t o 2hourf i r er esi st ance - 2 Fi r e Exi tSt ai r cases,pr ot ect ed by sel fcl osi ng f i r e doorwi t h 2hour f i r er esi st ance -Fi r er ol l ershut t er
[ Reuse,Reduce] Rever se osmosi s i n cool i ng t ower
Wat erTank Level1 Wat erTank Basement
Pump r oom Gr ound Level
Fi gur e 35.Pl umbi ng f i t out
Escape r out e
Verti calTransportati on
The t ower f eat ur es doubl e-deck el evatorswhi chr equi r easi ngl e,l ar ger , mor e ef f i ci ent l i f t mot or t o car r yt wo car s ofpassenger s si mul t aneousl y,t hus hal vi ng t he numberofmot or sr equi r ed.
Desti nati on control system f ur t her ai ds i n t r af f i c management f or t he occupant s Fi gur e 31.( a)HVAC Fi t out .( b)Fi r e Fi t out .
( c)Ver t i calt r anspor t at i on f i t out
LED t askl i ght s
B.ExternalFi re retardanttreated materi al s - 2hour f i r er at ed st ai nl ess st eel cl addi ng - Tr eat ment wi t h epoxy based i nt umescent pr ovi des 2 hour f i r e r esi st ance
Advantages -Cr eat essi gni f i cantspace savi ngs -I ncr easest r af f i chandl i ng capaci t y.
Passenger El evat or Level s01, 02
[Reduce] Wat ersavi ng f i xt ur es ( ur i nal s, f l ushsavi ng devi ces and l owf l ow showerheads)
s oor -33 fl l e ev 02,18 erl p p s U l 01, s oor l e f v l e L eve 19 l r e 1Low l s0 e Lev Fi gur e 36.Gr ound Fl oorVT St r at egy
Annualcarbon f ootpri nt: 32. 50 KgCO2m² (349. 827 KgCO2/f t²) v
( CTBUH 2022)
Ref erences
[ 1]Ongr eeni ng. com.2022.201 Bi shopsgat e & The Br oadgat e Tower|Ongr eeni ng.[ onl i ne]Avai l abl e at : <ht t ps: / / ongr eeni ng. com/ en/ Pr oj ect s/ 201bi shopgat e t hebr oadgat et ower 1197#t eam> [ Accessed 28 Januar y2022] . [ 2]Al l i nson,K.and Thor nt on,V. ,n. d.London' s cont empor ar yar chi t ect ur e. [ 3]Char l eson,A. ,2015.St r uct ur e asar chi t ect ur e. New Yor k:Rout l edge. [ 4]Chegut ,A. ,Ei chhol t z,P.and Kok,N. ,2013. Suppl y,Demand and t he Val ue ofGr een Bui l di ngs. Ur ban St udi es,51( 1) ,pp. 2243. [ 5]CTBUH 2009 Chi cago Conf er ence – Ti mot hyPoel l . “The Br oadgat e Tower ” . ds,B. W.,& Naboni ,E.( 2013) .New [ 6]Edwar appr achest ot he desi gn ofof f i ces.I n Gr een Bui l di ngsPay:Desi gn,pr oduct i vi t yand ecol ogy( pp. 76–108) .Abi ngdon:Rout l edge. [ 7]Robson M.2011.Ki ng Wi l l i am St r eett o Gr acechur ch St r eet ,Bi shopsgat e.Ar chi t ect s'Jour nal . 233( 2) .Pp.7584. [ 8]THE BROADGATE TOWER -Spandr elcur t ai n wal l byJosefGar t ner|Ar chi Expo.[ onl i ne]Avai l abl e at : <ht t ps: / / www. ar chi expo. com/ pr od/ j osef gar t ner / pr od uct 58213387670. ht ml > [ 9]Usgbc. or g.2022.Reed Smi t h Br oadgat e Tower| U. S.Gr een Bui l di ng Counci l .[ onl i ne]Avai l abl e at : <ht t ps: / / www. usgbc. or g/ pr oj ect s/ r eedsmi t hbr oadgat et ower ?vi ew=scor ecar d> [ Accessed 28 Januar y2022] . [ 10]Woodman E.2014.Gr ound cont r ol .Ar chi t ect s' Jour nal .239( 15) ,pp.4047.
C2063357-Sadhwani| C2047698 -Li