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1 I nt r oduct i on Pr oj ect :REHDAheadquar t er Locat i on:Kel anaJaya Ar chi t ect :Cl ementWong The REHDA headquar t eri st he new of f i ce bui l di ng f orREHDA ( REAL ESTATEAND HOUSI NG DEVELOPERS’ASSOCI ATI ON MALAYSI A) .The bui l di ng i s devel oped on i t s or i gi nalsi t e whi ch i s Kel ana Jaya,t hi s 3st or eybui l di ngt ookappr ox i mat el y3year st oi t scompl et i on.I ti swel l equi ppedwi t hal otoff aci l i t i essuchasaudi t or i um, l i br ar y, l ect ur er ooms, r esour cecent r e, mul t i pur posehal l , meet i ngr ooms, of f i cesandagr and at r i um ( REHDAbul l et i n, 2012, p. 1) .

1


f i gur e1. 1a gr oundf l oorpl anof REHDAheadquar t er . ( gr eenRE, 2014)

2


f i gur e1. 1b per spect i vevi ew oft he cent r alat r i um. ( aut hor , 2014)

f i gur e1. 1c vi ew i nsi det het oi l et . ( aut hor , 2014)

3


f i gur e1. 1d di cussi onr oom besi de t heent r ance ( aut hor , 2014)

f i gur e1. 1e basementcarpar kf or st af f ( aut hor , 2014)

4


f i gur e1. 1f f i r stf l oorpl anofREHDA headquar t er . ( gr eenRE, 2014)

5


f i gur e1. 1g st afeat i ngar eawi t h adj ust abl el ouver s ( aut hor , 2014)

f i gur e1. 1h counci lmeet i ngr oom ( aut hor , 2014)

6


f i gur e1. 1i cof f eear eawi t hgr eat ambi ence ( aut hor , 2014)

f i gur e1. 1j st af fof f i ce ( aut hor , 2014)

7


f i gur e1. 1k secondf l oorpl anof REHDAheadquar t er . ( gr eenRE, 2014)

8


f i gur e1. 1l cof f eear eawi t hgr eat ambi ence ( aut hor , 2014)

f i gur e1. 1m st af fof f i ce ( aut hor , 2014)

9


f i gur e1. 1n sol arpanel sont he r oof t op. ( aut hor , 2014)

f i gur e1. 1o wat erst or aget ank ( aut hor , 2014)

10


f i gur e1. 1p Nor t hel evat i onof REHDA headquar t er ( N. T. S) . ( gr eenRE, 2014)

f i gur e1. 1q Westel evat i onof REHDA headquar t er ( N. T. S) . ( gr eenRE, 2014)

f i gur e1. 1r Sout hel evat i onof REHDA headquar t er . ( N. T. S) ( gr eenRE, 2014)

f i gur e1. 1s Eastel evat i onof REHDA headquar t er . ( N. T. S) ( gr eenRE, 2014)

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2

W/ m2

째 C

40

1. 0k

30

0. 8k

20

0. 6k

10

0. 4k

0

0. 2k

10

f i gur e2. 1 Gr aphoft hemont hl y di ur nalaver age t emper at ur ei nKual a Lumpur , Mal aysi a. ( sour ce: ecot ect )

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

0. 0k

Theannualaver aget emper at ur eofKual aLumpur ,Mal aysi ai sar ound 29째 c.The t emper at ur e peaked atsever almont hswhi ch ar e Januar y, Febr uar y,Mar ch,Oct oberandDecember .Thedi ur nalswi ngofOct ober , NovemberandDecemberi sr el at i vel yl ar gert hant heot hermont hs.The t emper at ur edr opsmor et han10째 cdur i ngt hemi dyearwhi char eApr i l , May, June, Jul yandAugust . Dur i ngt hehot t estoft heday, t het emper at ur e coul dr i seupt o40째 Ci ncer t ai nper i od.

f i gur e2. 2 Gr aphoft her el at i ve humi di t yi nKual a Lumpur , Mal aysi a. ( sour ce: ecot ect )

Theannualaver ager el at i vehumi di t yofKual aLumpur , Mal aysi ai sabout 70%.Ther el at i vehumi di t yf r om Apr i lt oSept emberi shi gh,r angi ngf r om 70% t o 90%.Humi di t y var i es mor et hr oughoutt he day t han i tdoes annual l y. 12


f i gur e2. 3a psychr omet r i cchar tof Kual aLumpur , Mal aysi a ( ecot ect , 2014)

13


3

wi ndanal ysi s

f i gur e3a wi ndr oseofwi nd f r equency( hr s)i nKual a Lumpur , Mal aysi a

Locat i on:Kual a Lumpur ,Mal aysi a 3째 06' 20. 7" N 101째 36' 21. 9" E Dat e: 1stJanuar y-31stDecember Ti me: 00: 00-24: 00

f i gur e3b wi ndr oseofaver age wi ndt emper at ur e( 째 C)i n Kual aLumpur , Mal aysi a 14


f i gur e3c wi ndr oseofaver ager el at i ve humi di t yi nKual aLumpur , Mal aysi a

Locat i on:Kual a Lumpur ,Mal aysi a 3째 06' 20. 7" N 101째 36' 21. 9" E Dat e: 1stJanuar y-31stDecember Ti me: 00: 00-24: 00

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4

sunanal ysi s

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f i gur e4b sunpat hdi agr am dur i ng Junesol st i ce ( ecot ect , 2014)

17


f i gur e4c sunpat hdi agr am dur i ng Sept emberequi nox ( ecot ect , 2014)

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f i gur e4d sunpat hdi agr am dur i ng Decembersol st i ce ( ecot ect , 2014)

Dur i ng t heDecembersol st i ce,t hesun r i ses and set s sl i ght l yt ot he sout h.The Sout h f aรงader ecei vessunl i ghtt hr oughoutt heday.

19


5 f i gur e5. 1a Ex t er i orvi ew of doubl ef acade

( Aut hor , 2014)

f i gur e5. 1b Cent r alat r i um ( Aut hor , 2014)

20


Sr iNobel Pr i mar y School

f i gur e5. 1c Di agr ammat i c anal ysi sofsi t eand or i ent at i on.

f i gur e5. 1d I nsul at i onof pol yst r eneboar di n Eastf acade.

( Aut hor , 2014)

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OpenSpaces Encl osedSpaces

f i gur e5. 1e Di agr ammat i c anal ysi sofef f ect i ve spacepl anni ng.

f i gur e5. 1f Wat erhar vest i ngt ank onr oof op.

( Aut hor , 2014)

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f i gur e5. 2a Phot oofadj ust abl e shadi ngdevi ce.

( Aut hor , 2014)

23


f i gur e5. 2b Secondf l oorpl ant o show t hespaces wher epassi ve vent i l at i ont akespl ace.

Cent r alat r i um

( Gr eenRE, 2014)

St ai r case, pant r y, gym

Washr ooms Tr ai ni ngr ooms

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f i gur e5. 2. 1a Per spect i vevi ew of cent r alat r i um.

f i gur e5. 2. 1b Phot oofal umi ni m vent gr i l l s.

( Aut hor ,2014)

( Aut hor ,2014)

25


Hotai rr i sesoutoft he bui l di ng.

Al umi ni um ventgr i l l

Coolai ri s i nt r oduced f r om t he ex t er i or .

Coolai ri s i nt r oduced f r om t he ex t er i or . cent r alat r i um f i gur e5. 2. 1c Di agr ammat i canal ysi s ofst ackvent i l at i on.

Regi onof l owerai r pr essur e

f i gur e5. 2. 1d Di agr ammat i canal ysi s ofheatconvect i on map.

Regi onof hi gherai r pr essur e

St ackvent i l at i onhappenswhent emper at ur eofai ri nt hebui l di ngi shi gher ascompar ed t oout doorai r .I ncr easei nai rt emper at ur ecausest heai r mol ecul est o col l i dewi t h each ot hervi gor ousl y,t husr esul t i ng i nl ower pr essur e. Ai rpr essur edi f f er enceduet ohei ghtpul l st heai rupwar d. Sot he ai rf l owsf r om t hehi gherpr essur er egi ont ot hel owerpr essur er egi on.I t i nt r oducescoolai rpassi vel yi nt ot hei nt er i orspace,t omax i mi z et her mal comf or t .Ener gyconsumpt i onf oroper at i onofact i veACMVsyst em i sat mi ni mall eveli nt hevent i l at edspace.

26


Hi ghvel oci t yofai r r esul t si nl ower pr essur e.

Coolai r i nt r oduced f r om ex t er i or .

cent r alat r i um f i gur e5. 2. 1e Di agr ammat i canal ysi s ofBer noul l i ’ sPr i nci pl e.

Thi s pr i nci pl ei si mpl ement ed ef f i ci ent l y wi t h st ack vent i l at i on i nt he desi gnofWi smaREHDA.Al umi ni um vent i l at i ongr i l l sactast hehi gher out l etopeni ngsf orhot t erai rt oescape. Low i nl etopeni ngsal l ow t hef l ow ofcoolai r . Cent r alat r i um act sapassagewayf orai rf l ow t or i seupwar d. Ber noul l ipr oposed t hatt he t ot alener gyi naf l owi ng f l ui d syst em i sa const antal ongt hef l ow pat h.Thevel oci t yoff l ow i ncr easesr esul t si nt he decr easei npr essur et omai nt ai nt heener gyf l ow atconst ant( McCar t hy, 2008) .Ber noul l i ' spr i nci pl est at est hatf orani nvi sci df l ow,ani ncr easei n t hespeedoft hef l ui doccur ssi mul t aneousl ywi t hadecr easei npr essur e oradecr easei nt hef l ui d' spot ent i alener gy. I nt er msofar chi t ect ur alcont ex t ,out doorai rf ar t herf r om t hegr oundi s l ess obst r uct ed r esul t si nt he hi ghervel oci t y ofai rf l ow ( Aut odesk Sust ai nabi l i t yWor kshop, 2011) .The i ncr ease ofvel oci t yofout doorai r r esul t si ndecr easeofpr essur e.Thi sl owerpr essur ehel pst odr aw cool er ai rf r om out si de.

27


f i gur e5. 2. 1f FacadeofWi sma REHDA

f i gur e5. 2. 1g Cl oseupphot oof l ouver s

( Aut hor , 2014)

( Aut hor , 2014)

28


f i gur e5. 2. 1h Phot oofgym ar ea. ( Aut hor , 2014)

f i gur e5. 2. 1i Phot oofpant r yar ea. ( Aut hor , 2014)

29


f i gur e5. 2. 1j Phot oofgym ar ea.

r ai nwat er ex cl usi on

adj ust abl e

( Aut hor , 2014)

l ow i nt ensi t y ofl i ght

hi ghi nt ensi t y ofl i ght

Adj ust mentofl i ght i nt ensi t yt ot he pr ef er enceof occupant s. f i x ed

f i gur e5. 2. 1k Di agr ammat i canal ysi s ofAdj ust abl eLouver s.

l ow i nt ensi t y ofl i ght

Ai rf l ow andl i ghti nt ensi t ycanbeadj ust edbyoccupant st ot her est or e comf or t . I nt hepant r yar ea, t her eachabl el ouver sar eadj ust abl ewher eas f ort hef i x edl ouver sar esetatahi gherl evel .

30


f i gur e5. 2. 1l Phot oofopencor r i dor ( i nl et )

f i gur e5. 2. 1m Phot oofal umi ni um ai r vent . ( out l et )

f i gur e5. 2. 1nEastEl evat i on( N. T. S)

( Aut hor , 2014)

( Aut hor , 2014)

f i gur e5. 2. 1oSout hEl evat i on( N. T. S)

31


f i gur e5. 2. 1p 3st or eyst ai r caseas i nl et . ( Aut hor , 2014)

f i gur e5. 2. 1q Ex t ensi veper i met erof al umi ni um ventgr i l l s. ( Aut hor , 2014)

3.Usageofl ouver soni nl ett ochannelai r . Desi gnofadj ust abl eal umi ni um l ouver si nst ai r casear ea( i nl et )i ncr eases t her at eofpassi vevent i l at i on.

32


f i gur e5. 2. 2a Ex t er i orvi ew ofdoubl e f acadeatWestFacade.

f i gur e5. 2. 2b I nt er i orvi ew ofdoubl e f acadef r om washr oom.

( Aut hor , 2014)

( Aut hor , 2014)

33


f i gur e5. 2. 2c Ex t er i orvi ew ofdoubl e f acadeatWestFacade.

( Aut hor , 2014) Ex t er i orwal l Fr eshai ri s i nt r oducedi nt o t hewashr oom.

Toi l et Concr et eVentBl ocks

Toi l et

Doubl ef aรงade i spl aced att he washr oom ar ea ( r ef ert of i gur e 2. 2. 2) wher et hor oughvent i l at i oni sr equi r edf orhygi eni cpur pose. Asshowni n f i gur e5. 2. 2d, f r eshai ri si nt r oducedt oi mpr ovei ndoorai rqual i t yi nt he washr oom.The di st ance bet ween t he ex t er i orwal land concr et e vent bl ocki sdesi gnedf orpur poseofr ai nwat erex cl usi on.

34


f i gur e5. 2. 2e Phot ooft r ai ni ngr oom

( Aut hor , 2014)

Ai rf l ow out war d

f i gur e5. 2. 2f Di agr ammat i canal ysi s ofai rf l ow t hr ough al umi ni um awni ng wi ndows.

Ai rf l ow i nwar d

f i gur e5. 2. 2g Nor t hel evat i on( N. T. S) t oshow pl acementof awni ngwi ndow.

35


Tr ai ni ngRoom

Oper abl e al umi ni um awni ng wi ndow.

f i gur e5. 2. 2h Di agr ammat i canal ysi s ofCr ossVent i l at i on

Tr ai ni ngRoom

36


f i gur e5. 3a Phot oofskyl i ghti n cent r alat r i um.

( Aut hor , 2014)

37


f i gur e5. 3b Secondf l oor pl an( N. T. S)t oshow t he spaceswher e t opl i ght i ngi spl aced.

Cent r alat r i um Ent r anceofmul t ipur posehal l St ai r case

38


f i gur e5. 3. 1a Phot ooft opl i ghti n cent r alat r i um.

f i gur e5. 3. 1b Phot ooft opl i ghti n cent r alat r i um.

( Aut hor , 2014)

( Aut hor , 2014)

39


f i gur e5. 3. 1c Phot oofi nt er i ordevi ce: bl ackcor r ugat edmet al box .

( Aut hor , 2014) Skyl i ghti spl acedata hi gherl evel .

Cor r ugat edmet alboxas i nt er i orshadi ngdevi ce.

f i gur e5. 3. 1d Di agr ammat i canal ysi s ofaper t ur est r at egi esof t opl i ght i ng.

40


f i gur e5. 3. 1e Phot oofskyl i ghtatt he ent r aceofmul t i pur pose hal l .

( Aut hor , 2014) f i gur e5. 3. 1f Phot oofskyl i ghtat st ai r casear ea.

The t wo ot hert opl i ght st hatar e r el at i vel y smal l er t han t he mai n one ar e pl aced att he Sout her n st ai r case and t he ent r ance oft he audi t or i um. ( Ref ert of i gur e5. 3b) . To gr oup al lt he spaces wi t h t he uni f or ml i ghti nt ensi t y, t heskyl i ght s ar e pl aced att hei rown st r at egi c pl aceswhi char eabi tf ar f et ched f r om t hecent r alat r i um.I ti sal sot o cr eat e uni f or m di st r i but i on of dayl i ghtatdi f f er entspaces. Mai n obj ect i ve ofpl aci ng skyl i ght att heent r anceofmut i pur posehal l i s t o pr ovi de t he senses of gr andnessbef or eent er i ngt hehal l .

41


f i gur e5. 3. 1g Phot oofskyl i ghtatt he i nst ai r casear ea. ( Aut hor , 2014)

f i gur e5. 3. 1h Phot oofskyl i ghtwi t h l ami nat edgl ass.

Sol arLami nat edGl assSkyl i ght I ti sl ocat ed atst ai r case ar ea.( Ref ert of i gur e 5. 3b)The i nt er l ayerof pol yvi nylbut yr al ( PVB)cont ai n speci aladdi t i vest hatabsor b ul t r avi ol et r adi at i on whi ch enabl es l ami nat ed gl ass bl ocks mor et han 99% of ul t r avi ol etr adi at i on( ARI テ前 DUGLASS,2010) .UVabsor bi ngaddi t i vesi n t hei nt er l ayerofl ami nat edgl assenabl esscr eeni ngoutofUVl i ghtr aywi t h mi ni mal r educt i onofvi si bl el i ght . I tpr ovi desaddi t i onal pr ot ect i onagai nst sol arheatgai n.

42


f i gur e5. 3. 2a Wi ndowsonEast f acadei nREHDA of f i ce.

f i gur e5. 3. 2b Wi ndowsonNor t h f acadei nmeet i ng r ooms.

f i gur e5. 3. 2cEastEl evat i on( N. T. S)

( Aut hor , 2014)

( Aut hor , 2014)

f i gur e5. 3. 2dNor t hEl evat i on( N. T. S) 43


f i gur e5. 3. 2e Shadi ngbl i ndsi n meet i ngr oom. ( Aut hor , 2014)

f i gur e5. 3. 2f Di agr ammat i canal yi s ofheatf l ow i nmeet i ng r oom.

I nt er nal shadi ng devi ce

f i gur e5. 3. 2gUni l at er al l i ght i ng

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6

r ef er ences

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Wisma rehda report final reduced1  
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