steps in fleet selection

7/23/2019 Steps in Fleet Selection

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Steps in Fleet Selection

©Dr. B. C. Paul 2000, revised 2008

Note- General steps and metodolo!ies "ound in tese slides

rou!l# "ollo$ material "ound in Sur"ace %inin! manuals &#

S%' and literature pu&lised &# Caterpillar '(uipment Co.

)is presentation includes screen sots "rom te FPC pro!ram

compiled &# Caterpillar '(uipment Compan#.



Si*in! )ruc+ and oader

Fleets

0 #ears a!o $ould ave &een all

manual metods

)oda# ave computer aided

versions o" same manual

metods

lso ave versions tat consider

event pro&a&ilities

Full computer simulation



Class pproac

/ill so$ "eatures o" manual

metods

Features still drive most computer

aided metods

)en so$ applications o"

computer so"t$are

)in!s still need to &e dealt $it

in "ull computer simulations



So"t$are Pac+a!e1Caterpillars FPC3

Starting FPC

Of course can also

Be done from a

Desktop icon



"ter a Picture o" a )ruc+

/e Get te 4nitial Screen



5i!li!t File and Pull

Do$n te %enu

Pick New

(for New

Project)



FPC 6pens /it te

Pro7ect )a& ctive

I start out entering a

! "o# Name

$! "o# Description%! Prepared For

&! Prepared B'

! Stud' Date



4 %ust Pic+ %# nit and

Displa# Standards

Pick etric or

*nglis+ ,nits wit+ a

-adio Button

Pick production

.argets measured in

/eig+t or 0olume

Pick Decimal Format

Pick Currenc'



Pic+ Pro7ect Speci"ic

4n"ormation

*nter 1our Fuel Cost

For Diesel

*nter 1our Planning

.ime unit

*nter 1our Num#er

Of +ours per planningunit



Commentar#

Diesel Fuel Costs 6"ten mine maciner# is run o""

i!$a# so tere is no i!$a#ta9 on diesel 1no :; cents and usuall# &ou!t

on &ul+ contract3

Called <=ed Do!> &ecause sometimes

put a d#e in it 1so #oull !et &usted "oron i!$a# use3

%ost plannin! units are &# te#ear



Specialt# 4tems Needed

<Si"t '""icienc#> ? o$ muc o" tesceduled time is actuall# spent $or+in!e(uipment n avera!e is @0 minutesAour or a&out 8-8:

6perator '""icienc#

)ruc+ is capa&le o" certain per"ormance ? o"tennot reali*ed &# uman operators

ccordin! to caterpillar studies operators

approac mecanical limits more closel# as aul!ets lon!er

B# pic+in! operator e""icienc# &# 5aul distancete pro!ram $ill use caterpillars operatorstudies results



Bunc o" /at

Pro&lem o" Buncin!

4" ave a lot o" truc+s te# tend to arrive

in clusters rater tan evenl# spread %eans loaders $ill loose some time $it

no truc+s and truc+s $ill $ait in line

even $en per"ectl# matced

Caterpillars studies and &uncin!"actors can &e used &# selectin!

avera!e &uncin!.



Finis te Fill 4n

I2m putting in 3&4

For m' s+ift

*fficienc'

I2m calling for

50erage #unc+ing

I2m +a0ing operator *fficienc' estimated

B' +aul distance



6ptimi*in!

)r# several di""erent "leets

Get Cost o" 'ac Fleet Pic+ te Fleet $it te lo$est

cost tat #ou ave con"idence in

suall# tere are someassumption or pre"erences tat

#ou $ill not 7ust pic+ te ceapest



%ain Steps in Fleet

Selection

Step E isuali*ation and

%atcin! - '(uipment must "it te

mine Step 2 Develop C#cle )imes -

Need to +no$ o$ muc te

e(uipment can produce to +no$

o$ muc e(uipment #ou need

Step 4denti"# uantities o"

'(uipment Needed



%ain Steps Continued

Step : - Cross Cec+ te

Selection "or practical "it

Step @ - 'stimate 'conomics

Step ; - Compare Di""erent

Fleets

Step H - %a+e te Selection

steps in fleet selection

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