8/11/2019 MENGHITUNG KEBUTUHAN LIFT.pdf

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TUGAS UTILITAS Aslam Prasetya Adhi - 06512071MENGHITUNGKEBUTUHANLIFT Dosen : Nensi Golda Yuli, ST.

Asisten : Rahajeng P. , ST.BangunanApartementugasPerancanganStruktur2

Fungsi : Apartemen

JumlahKamar : 28Kamar

Jumlah

Lift

dalam

Desain

:

1

Lift

1. MINIMALpHC

Table31.3MinimumHandlingCapacities

Facility Percent ofPopulation

tobeCarriedin5Minutes

OfficeBuilding

CenterCity 1315

Investment 1214

Single

purpose

15

18

Residential

Prestige 57

Other 68

Dormitories 1011

Hotels1stQuality 1215

Hotels2ndQuality 1012

Berdasarkantabel31.3diatasmaka:

pHC

=10

11

%

2. MAKSIMALINTERVAL(I)

Table31.1SuggestedElevatorIntervals

OfficeBuildings Intervals (inseconds)

CenterCity 2530

Investments 3045

Residential Intervals (inseconds)

Prestige

apartments

50

70

Middleincomeapartments 6080

Lowincomeapartments 80120

Dormitories 6080

Hotels1stQuality 4060

Hotels2ndQuality 5070

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Berdasarkantable31.1diatasmaka:

I = 6080

3. POPULATIONDENCITY(D)

Table31.4 PopulationofTypicalBuildingsforEstimstingElevatorandEscalatorRequirements

ApartmentHouses PersonsperBedrooms

High

rental

1,5

Moderaterentalhousing 2.0

Lowcosthousing 2,530

Berdasarkantable31.4diatasmaka:

D = 2,0

4.

POPULASIBANGUNAN

PopulasiBangunan = JumlahkamarxD

= 28x2,0

=56

5.

HANDLINGCAPACITY(HC)

HC = pHCxPopulasibangunan

= 11%x56

= 6.16 7

6. PENETAPANSPESIFIKASILIFT

Table31.6

ApartmentHouses CarCapacity Minimum CarTravel

(Pounds) CarSpeed (feet)

(FeetperMin.)

2000 100 075

2500 200 61100

250300 126200

350400 above200

Berdasarkantable31.6diatas,maka:

SpesifikasiLift

CarCapacity = 2000Pounds

MinimumCarSpeed = 100Feet/Min

CarTravel = 075feet

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7. ROUNDTRIP(RT)

Berdasarkangrafik31.4,makaditemukan: RT= 120 seconds

8. PASENGER(P)

Table31.2CarPassengerCapacity

Elevator

Capacity

Maximum

Passenger

Normal

Passenger

(Lbs) Capacity LoadperTrip

1200 7 6

2000 12 10

2500 17 13

3000 20 16

3500 23 19

4000 28 22

Berdasarkantabel31.2diatas,maka:

ElevatorCapacity

=2000

Lbs

MaximumPassengerCapacity = 12

NormalPassengerLoadperTrip= 10

9. Menghitungh

h =

=

= 25

8/11/2019 MENGHITUNG KEBUTUHAN LIFT.pdf

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10.MenghitungN

N =

=

= 0.28 1

11.CEK INTERVAL

I =

=

= 120

IntervaltidaksesuaidenganIstandard,kecepatanditinggikan,sehingga:

SpesifikasiLift

CarCapacity = 2000Pounds

MinimumCarSpeed = 400Feet/Min

CarTravel = 075feet

SehinggaRT=77

h

=

=

=38,96

N =

=

, = 0.17 1

I =

=

= 77

Intervalsesuai,sehinggajumlahliftyangdiperlukanadalah1(sesuaidengandesain),

denganspesifikasi

CarCapacity = 2000Pounds

MinimumCarSpeed = 400Feet/Min

CarTravel = 075feet