a4372s12 09 vertical-transportation

8/12/2019 A4372S12 09 Vertical-Transportation

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Technology in ArchitectureTechnology in Architecture

Lecture 9

Vertical Transportation

Elevators Design Considerations

Elevator Selection Parameters

Example Problem


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Vertical TransportationVertical Transportation


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ClassificationClassification

Elevators Passenger

Freight

Special service

Escalators


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TypesTypes

Elevators traction

gearless medium-high speed passenger

geared lo speed passenger

h!draulic plunger

hole-less

roped


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Performance CriteriaPerformance Criteria

"deal Per#ormance$ minimum aiting time

com#ortable acceleration

rapid transportation smooth%rapid sloing

accurate leveling

rapid loading%unloading

&uic'%&uiet door operation

good visual travel direction%#loor indicators

easil! operated controls

com#ortable lighting

reliable emergenc! e&uipment

smooth%sa#e operation o# mechanical e&uipment


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Codes and StandardsCodes and Standards

()S"%(S*E Code (+,+

)FP( +.+ Li#e Sa#et! Code)FP( ,. Electrical

()S" (++,+ /arrier Free


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Elevator Design ConsiderationsElevator Design Considerations


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Passenger ElevatorPassenger Elevator

ComponentsComponentsTraction Elevator car

cables elevator machine

controls

countereight

hoista!

rails

penthouse

pit S$ p +0912 F0++


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Traction ElevatorTraction Elevator

ComponentsComponents

*achine room 34-56 minimum clear

/ottom o# /eam 78: +,4-56 ;


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Passenger ElevatorPassenger Elevator

ComponentsComponents!draulic car

plunger%piston%>ac' elevator machine

controls

hoista!

rails

penthouse%heada!

pitS$ p +=..2 F0+1


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Hydraulic ElevatorHydraulic Elevator

ComponentsComponents*achine room ,4-96 minimum clear

/ottom o# /eam 78: +


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Design ConsiderationsDesign Considerations

Door openings @04-56 #or simultaneous

loading%unloading

A04-56 #or singular loading

S$ p +=.12 F0+++


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Design ConsiderationsDesign Considerations

Doors single slide 7


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Elevator Selection ParametersElevator Selection Parameters


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DefinitionsDefinitions

"nterval 7": or lobb! dispatch time average time beteen departure o# cars #rom lobb!

Baiting time average time spent

b! a passenger

beteen arriving inthe lobb! and leaving

the lobb! in a car

e&uals 7.5 x":

S$ p +=


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Car passenger capacit! 7p: passengers per car

S$ p +=


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andling Capacit! 7C: maximum number o# passengers handled in a 1 minute

period

hen expressed as a percentage o# the building

population it is calledpercent handling capacity7PC:

C 0..7p:

"

S$ p +=


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(verage trip time

7(VTP:

average time #rompassengers #rom arriving

in lobb! to leaving car at

upper #loor

)ote$ car sie

#loor to #loor height

S$ p +=


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ound-trip time 7T: average time re&uired #or

a car to ma'e a round trip

S$ p +=


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ParametersParameters

/uilding population t!pical area per person

based on net area and building

t!pe

S$ p +=


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8##ice building e##icienc! net usable area as a

percentage o# gross area

S$ p +=


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Elevator e&uipment recommendations building t!pe

car capacit!

rise

speed

S$ p +=0


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SizingSizingEuationsEuationsandling capacit! 7C:$ C0..p%"

"nterval 7":$ "T%)

1-min handling capacit! 7h:$ h0..p%T

)umber o# cars 7):$ )C%h


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Elevator Design ExampleElevator Design Example


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Example Pro!lemExample Pro!lem

Design an elevator s!stem #or a +. stor!2 single

purpose tenant2 o##ice building that provides an

good6 level o# service

Construction level is normal6

Floor height$ +


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"# Determine Percent Handling"# Determine Percent Handling

Capacity $PHC%Capacity $PHC%8##ice building

"nvestment

range ++1-+0 G

sa! +


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Determine 'nterval $'% Determine 'nterval $'%

8##ice building

Hood6 service

"


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(# Determine )uilding Population(# Determine )uilding Population

8##ice building

Singletenant)ormal construction

range 9.-++. s#%person

sa! +.. s#%person

Pop 9 #loorsI+12... ns# +..s#%person

Pop+01. people

S$ p +=


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*# Determine Handling*# Determine Handling

Capacity $HC%Capacity $HC%PC.+


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+# Determine ,ise - Select Car+# Determine ,ise - Select Car

9 #loors 7above lobb!:

+


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.# Determine Average.# Determine Average

Trip Time $AVT,P%Trip Time $AVT,P%+


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/# Determine ,ound/# Determine ,ound

Trip Time $,T%Trip Time $,T%+


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0# Verify Single Car Capacity $p%0# Verify Single Car Capacity $p%


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1# Determine +2minute1# Determine +2minute

Handling Capacity $h%Handling Capacity $h%

h0..p%T

h 0.. x +0%++acent to main lobb!

S$ p +=032 F0+


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6o!!y Sizing6o!!y Sizing

Sie based on pea' interval +1 or


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a4372s12 09 vertical-transportation

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