1. CMP Engineers
CAPABILITY
STATEMENT

2. C M P Engineers 1
1 INTRODUCTION
C M P Engineers has been s u pplyingmec hanic alengineerings ervic es to miningand
generalind u s trys inc e 198 9.
W e are amu lti-d is c iplinarymec hanic alengineeringc ons u ltanc y, withamajorfoc u s on
miningand heavymobile equ ipment. S ome ofou rmajorprojec ts inc lu d e the c omplete
d es ign ofthe originalH au lmax tru c k, the EM T 600 and EM T100 miningtru c ks , a
c omplete S altH arves ter, ou rown range oflow load ers withc apac ities rangingfrom 115t
to 450t, and nu merou s bod ies forreard u mptru c ks . W ithin this s malls ample ofd es ign
projec ts we have been res pons ible forthe c omplete s tru c tu ral, mec hanic al, hyd rau lic ,
and elec tric ald es ign, and we have rec entlyexpand ed to inc lu d e ou rown c ontrols ys tem
d es ign c apability.
W hils twe are c apable ofexec u tings ignific antd es ign projec ts ofthes e types , C M P
Engineers frequ entlyals o works on mu c hs mallerprojec ts , s u c has the failu re analys is of
s ingle mec hanic alelements . O u rprinc ipalengineers eac hhave in exc es s of20 years
experienc e in the applic ation ofd etailed mec hanic alengineeringanalys is in the mining
s ec tor.
A pproximately20 years ago, in res pons e to c lientneed s , we formed amanu fac tu ring
bu s ines s : L oad qu ip, to s u pplyC M P Engineers d es igned mac hineryand equ ipment
d irec tlyto c u s tomers . A s ac ons equ enc e ofoperatingL oad qu ip, C M P Engineers has
d eveloped s ignific antlymore manu fac tu ringexperienc e than wou ld have otherwis e been
the c as e, and c ertainlymore than manyothermec hanic alengineeringc ons u ltants .

3. C M P Engineers 2
2 HOW CMP Engineers CAN ADD VALUE
W ithou rd ivers e range ofexperienc e, we believe we c an ad d valu e to c ompanies in the
miningand heavy ind u s try s ec tor. This d oc u mentd es c ribes a nu mberofrelatively
s ignific antd es ign projec ts . Thes e have been highlighted as the bes twayto s howc as e
the d epthofou rc apabilities . C M P Engineers als o c arries ou ta large nu mberofs mall
projec ts , s ometimes d own to failu re ofas ingle s mallfas tener. N o projec tis too s mall;
the s kills u s ed foreac hare fu nd amentallythe s ame.
W e have d eveloped a valu able s etofengineeringc apabilities whic hare d iffic u ltto
s u c c inc tlyd es c ribe. W e are c ertain we c an offervalu able ad vic e overabroad range of
large and s mallmec hanic alprojec ts . O u rd ivers e experienc e allows u s to avoid having
a narrow pers pec tive in whatwe offeras a s olu tion. To u s e ac ommon analogy, ifyou
as kamaterials s pec ialis twhys omethingfailed you willinevitablyfind thatitwas a
materials problem. Ifyou were to as ku s the s ame qu es tion manyotheravenu es ,
inc lu d ingthe load ing, wou ld be c ons id ered , whic hmayormaynotlead to the s ame
c onc lu s ion.
W hils twe d o have a wid e range ofexperienc e, we als o know the limits ofou r
experienc e. W here appropriate we willglad lyd irec tc lients toward s amore s u itable
s u pplierifthatis the bes toption.

4. C M P Engineers 3
3 EXPERIENCE
In the followingpages we provid e more d etailed information on s pec ific areas we have
worked in.
W e have a wid e range ofs kills thatc an be applied to anyequ ipmentwhere mec hanic al
engineeringprinc iples and tools c an be u s ed to find a s olu tion. The experienc e matrix
below illu s trates where as pec ific s kills ethas been applied to a s pec ific equ ipmenttype
by C M P Engineers in the pas t.
Itis notu nu s u alforu s to find thateven ou rregu larc u s tomers have a d ifferentid ea of
ou rrange experienc e than we expec t. H opefu llythe experienc e matrix is u s efu lin
provid ingac learerpic tu re.

5. EXPERIENCEMATRIX-CMPEngineers
MiningPorts&ShipsSmeltersIndustrialTransport(inc.rail)
trucks
drills
lowloaders
off-roadvehicles
dumpbodies
haulers
excavators
draglines
chutes
conveyors,inc.brakes
toolsandequipment
processingplant
specialpurposemachinery
shiploaders
gangways
bulkhandling
stackerreclaimers
crucible+anodetransportvehicles
materialshandlingequipment
plasticcomponents
equipmentfailureanalysis
liftingequipment
specialiseddevicesforbuildings
CNGtransport
on-roadvehicles
locomotive(narrowgauge)
heavyhaulage
Whatwedo
Design&Analysis
FEA
VibrationMeasurement&Analysis
StrainMeasurement
FailureAnalysis/Troubleshooting
Designofaccesssystems
Materialselection
Audit
AccidentInvestigation
Testing&Certification
FluidPower-Design&Analysis
PLCProgramming
SoundAttenuationDesign
Commissioning
ConditionInspection&StructuralIntegrity
ForensicEngineering&LegalReports
Bearingselection&failureanalysis
Rideanalysis
MachineweighingandCofGdetermination
PayloadAnalysis
Stabilityanalysis
TheabovetablepresentsanoverviewofthetypesofprojectsthatCMPEngineershasdirect
experiencein.Thiswiderangeofexperienceofprojectsandapplicationofvariousdesign,analysis,
andtestingtoolsequipsCMPEngineerswithanevenbroaderrangeofCapabilities.

6. C M P Engineers 4
Highlighted Experience page
1 IN TRO D UC TIO N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2 H O W C M P Engineers C A N A D D VA L UE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
3 EXP ERIEN C E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3. 1 TES TIN G A N D IN S TRUM EN TA TIO N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.1.1 Measurement Projects..........................................................................................................5
3. 2 H A UL TRUC KS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.2.1 Body Design...........................................................................................................................7
3.2.2 Sound Attenuation ................................................................................................................9
3.2.3 Recovery Tow Link and Recovery Tow Link Trailer..............................................................10
3. 3 EXC A VA TO RS , W H EEL L O A D ERS , S H O VEL S , and D RIL L S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.3.1 Structural Analysis and Design ............................................................................................11
3.3.2 Sound Attenuation ..............................................................................................................11
3. 4 FIXED P L A N T S TRUC TURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.4.1 Structural Integrity and Inspection......................................................................................12
3.4.2 Design..................................................................................................................................13
3. 5 D RA GL IN ES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.5.1 Walkways and Access Systems............................................................................................14
3.5.2 Structural Analysis, Design and Design Review ...................................................................14
3.5.3 Ventilation and Cooling of Machinery.................................................................................15
3. 6 L O W L O A D ERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3. 7 S P EC IA L P URP O S E EQ UIP M EN T. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3. 8 RO L L O VER P RO TEC TIVE S TRUC TURES (RO P S ). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3. 9 RO O T C A US E A N A L YS IS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3. 10 M A KIN G M ETA L W O RK. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

7. C M P Engineers 5
3.1 TESTING AND INSTRUMENTATION
3. 1. 1 M eas u rementP rojec ts
C M P Engineers has a longhis toryoffield tes tingwitha varietyoftrans d u c ertypes , and
in partic u lars train gau ges .
The followingtable lis ts ome ofC M P Engineers s train gau ge implementations .
Measurement Project Purpose
220tC oalH au ler–16+c hannels C harac teris e load c as es
Kres s H au ler–16+c hannels A s s es s s tru c tu re forpotentialpu rc has er
L iebherrR996 B oom C harac teris e load ingforanalys is
RH 340 B oom C harac teris e load ingforanalys is (Image B )
C onc rete reinforc ingc age A s s es s load ingin c ompos ite reinforc ement
450tS wingW heelL ow L oad er C harac teris e load c as es
L ow load erbrakes M eas u rementofbrake heatfad e (Image C )
Tie-d own hard ware C harac teris e in s ervic e load s (Image D )
D ragline boom foot O ngoingmonitoringofc ritic alrepair(Image A )
C ane loc omotive d rive torqu e C ommis s ioningtes ts
Variou s S train Gau ge P rojec ts
Image B
Image C
Image D
Image A

8. C M P Engineers 6
W hils tC M P Engineers is veryexperienc ed in the ins tallation ofs train gau ges and other
trans d u c ers , the firm is more importantlyveryexperienc ed in the d es ign oftes tand
monitoringprograms to maximis e valu e from ameas u rementprogram. The c ombination
ofou rs trengthin load and s tres s analys is and familiarity withtrans d u c erimplementation
means thatou rd ata c ollec tion projec ts are foc u s ed and prod u c e meaningfu lres u lts . W e
als o have the abilityto c arryou td etailed analys es to interpretthe res u lts , inc lu d ing
interpretation ofs train gau ge ros ettes and rainflow analys is , to s u itablyc harac teris e
fatigu e load ing. From thes e analys es we are able to prod u c e load s pec ific ations forthe
pu rpos e ofd es ign oras s es s ment.
O thertypes ofmeas u rements inc lu d e vibration meas u rement, pres s u re meas u rement,
d is plac ementand angle meas u rement, mac hine weighing, and s peed s ens ing. A llof
thes e meas u rements and others c an be c ombined into a c u s tomis ed meas u rement
program. M eas u rements ys tems c an be d eveloped fors hortterm orlongterm
monitoring.
In ou ropinion the keyto a s u c c es s fu lmeas u rementprogram is u s inga s u pplierthathas
the abilityto u nd ers tand the entire s ys tem u nd erc ons id eration, notju s tthe
meas u rementhard ware. O ften the keyto a s u c c es s fu lprogram is beingable to prod u c e
meaningfu lc alibrations and s elec tmeaningfu lgau ge loc ations . C M P Engineers is well
plac ed to have a verygood u nd ers tand ingofwhatneed s to be meas u red and how bes t
to meas u re itand interpretthe res u lts .

9. C M P Engineers 7
3.2 HAUL TRUCKS
3. 2. 1 B od yD es ign
C M P Engineers is in a u niqu e pos ition ofbeinga d u mpbod yd es ignerthatis nottied to
a s pec ific manu fac tu rer. The firm c u rrentlyd es igns bod ies forJaws B u c kets and
A ttac hments and Kad orEngineering, howeverthe IP is held byC M P Engineers .
Thes e d es igns allow mine s ites to realis e the fu llpayload c apac ityoftheirhau lfleet
whils tens u ringc orrec taxle load ingand inc reas ingbod ylife. The d es igns take into
ac c ou ntac tu als ite d ens ities , angles ofrepos e and s ite s pec ific requ irements s u c has
load ingheights , d u mpingheights , works hopc learanc es , and trans portres tric tions .
The firm has d es igned reard u mpbod ies for:
Komats u 8 30E (variou s materiald ens ities , inc lu d ingc oal)
Komats u 930E (overbu rd en)
Komats u 68 5 (c oalbod ywithtailgate)
Komats u 7 8 5 (overbu rd en)
C aterpillar7 8 5 (overbu rd en)
C aterpillar7 8 9 (overbu rd en and c oal)
C aterpillar7 93 (variou s overbu rd en and c oal)
C aterpillar7 8 9 RearD u mpB od y
W e have als o c arried ou tvariou s bod yanalys es forO EM s and mine s ites in relation to
bod ys tru c tu ralis s u es , axle load ings , and payload analys is .
C M P Engineers is veryexperienc ed in allfac ets ofbod yd es ign, inc lu d ingd es igningfor
c orrec tload d is tribu tion, effic ients tru c tu rald es ign, load c as e d etermination, tailgate
d es ign, d etailed d rawingprod u c tion, manu fac tu rings pec ific ations , and ins pec tion and
tes tprotoc ols formanu fac tu re.

10. C M P Engineers 8
Komats u 8 30E RearD u mpB od y
The firm has the c omplete range ofexperienc e in relation to bod yd es ign, bu titis als o
veryexperienc ed withthe relevantas pec ts ofmanu fac tu re and tec hnic als pec ific ation.
The firm c an offera d es ign bas ed on proven s tru c tu ralarrangements witha low
tec hnic alris k.
C M P Engineers has als o rec entlypatented arevolu tionary lightweightbod y d es ign that
is yetto be trialled .

11. C M P Engineers 9
3. 2. 2 S ou nd A ttenu ation
C M P Engineers has , overthe las ts everalyears , been heavily involved in d es igning,
manu fac tu ring, and s u pplying, s ou nd attenu ation pac kages forins tallation on arange of
O EM hau ltru c ks and otherequ ipmentoperatingin the H u nterValleymines thatare
c los e to res id entialareas . To d ate thes e d es igns have been ins talled on C aterpillar
tru c ks , load ers , and grad ers , H itac hitru c ks and exc avators , S and vikd rills , and Komats u
tru c ks , withpac kages c u rrentlybeings u pplied to M ou ntThorleyW arkworthas an
alternative to the O EM prod u c t. In allc as es s ou nd levels have ac hieved the targetand
metthe EP A requ irements .
O u rpartic u larapproac hto s ou nd attenu ation, ofinc rementalac hievement, res u lts in
veryc os teffec tive ac ou s tic treatment. The bas ic approac his to ins tallthe minimal
pos s ible ac ou s tic treatmentand onlyad d fu rtherequ ipmentas requ ired in res pons e to
s ou nd meas u rements . Ultimatelythis res u lts in afairlyminimalpac kage to ac hieve the
d es ired res u lt.
8 30E S ou nd A ttenu ation P ac kage -M TW

12. C M P Engineers 10
3. 2. 3 Rec overyTow L inkand Rec overyTow L inkTrailer
W hen a hau ltru c kbreaks d own itis typic allyeitherrepaired in-s itu in the pitortowed ou t
ofthe pitu s inga wire rope orc hains . B othofthes e s c enarios are s u b-optimalfrom a
s afetypers pec tive. In the firs tc as e trad es men are workingou td oors in an operatingpit
environmentand in the s ec ond aflexible rope u nd ertens ion withs tored potentialenergy
is beingu s ed fortowing. A s aferoption is arigid towinglink. C M P Engineers has
d es igned and L oad qu iphas s u pplied Rec overyTow L inks forH itac hi, Komats u , and
C aterpillartru c ks . In generalthe c onc eptc an be extend ed to anyhau ltru c k.
The Rec overyTow L inkd oes improve s afetyand inc reas e the s peed and reliabilityof
rec overyand repairwork(works hopenvironmentas oppos ed to in pitrepairs ). The
bas ic Rec overyTow L inkis ins talled in les s than 1 hou rwiththe u s e ofamobile light
c rane. To avoid the c omplic ation ofu s inga lightc rane the c onc epthas been fu rther
d eveloped as the Rec overyTow-L inkTrailer. In this form the u nitis c onfigu red as a
towable trailerwithan on-board d ies elpoweru nitthatenables the linkto be manipu lated
and ins talled u nd erits own power. The d ies elpoweru nitals o powers the tru c khyd rau lic
s ys tems .
Rec overyTow L inks have been s u pplied forKomats u 8 30 E, 930 E, 960 E, and C aterpillar
7 8 9, 7 93, and H itac hiEH 3500, EH 4500, and EH 50 0 0 tru c ks , withthe totalnu mberof
u nits in the field ofarou nd twenty. Three Rec overyTow L inkTrailers have been s u pplied
foru s e withC aterpillarfleets .
Rec overyTow L ink
Rec overyTow L inkTrailer

13. C M P Engineers 11
3.3 EXCAVATORS, WHEEL LOADERS, SHOVELS, and DRILLS
3. 3. 1 S tru c tu ralA nalys is and D es ign
Fatigu e c rac kingis ac ommon problem on manyexc avators , s hovels , and d rills . Us ing
ou rexperienc e, tes tingand FEA tools , we c an evalu ate the load s and c au s es offatigu e
c rac kingand d es ign s olu tions . C M P Engineers has the c apabilityto c arryou t
s u bs tantials train gau ge meas u rementprojec ts and analys e the res u lts to inves tigate
fatigu e oroverload is s u es . C M P Engineers has c arried ou tthis s ortofworkforO EM s
and equ ipmentowners . The firm is als o wellplac ed to d es ign and /ors u pplymajor
s tru c tu res s u c has exc avatorbooms , orau d itothers u ppliers d es igns .
3. 3. 2 S ou nd A ttenu ation
In ad d ition to the previou s lymentioned s ou nd attenu ation treatments forhau ltru c ks ,
C M P Engineers has , overthe las ts everalyears , been heavily involved in d es igning,
manu fac tu ringand s u pplyings ou nd attenu ation pac kages forins tallation on arange of
O EM s hovels , d rills and wheelload ers operatingin the H u nterValleymines thatare
c los e to res id entialareas . The u nits have been d es igned forC aterpillar, H itac hi, and
S and vikmac hines . In the c as e ofthe C aterpillarmac hines ou rd es igns have been
ad opted bythe O EM .
W heelL oad er–S ou nd A ttenu ation P ac kage

14. C M P Engineers 12
3.4 FIXED PLANT STRUCTURES
3. 4. 1 S tru c tu ralIntegrityand Ins pec tion
Us ingthe extens ive experienc e ofou rengineers in inves tigatingfailu res and d es igning
equ ipment, C M P c an provid e s tru c tu ralins pec tion s ervic es . Thes e wou ld be vis u al
ins pec tions bas ed on an u nd ers tand ingofload s and load paths and the c ritic alityof
fatigu e c rac kingand c orros ion. W here warranted , N D T s pec ialis ts wou ld be u s ed to
provid e fu rtherinformation on partic u larregions ofa s tru c tu re. C M P Engineers has
s ignific antexperienc e withrailmou nted mac hines inc lu d ingbu c ketwheelexc avators ,
s tac kers , rec laimers , and s hipload ers .
C ontainerC rane D es ign Verific ation

15. C M P Engineers 13
3. 4. 2 D es ign
W e have d es igned s tru c tu ralc omponents , s u pportforequ ipment, c hu tes and ac c es s
s ys tems forarange offixed plants inc lu d ingwas hplants and s hipload ingfac ilities .
W e have rec entlyc ompleted aprojec tto extend the life ofas u rge bin on ac oalmine.
The bin was over30 years old and the wallthic knes s had red u c ed to the pointwhere
holes were appearingand loc albu c klinghad oc c u rred . The bin was mod elled and
bu c klings trengthas s es s ed -s everalremed iald es ign options were evalu ated inc lu d ing
s tiffeners and d ou blerplates . Thes e mod ific ation were s u c c es s fu llyimplemented in a
s horttime frame. This analys is and d es ign projec thas enabled the mine to d elaya
majorc apitalexpens e fors everalyears .
C oalB in Refu rbis hment–2014

16. C M P Engineers 14
3.5 DRAGLINES
3. 5. 1 W alkways and A c c es s S ys tems
M os td raglines operatingin A u s tralia are 20+years old and manyhave walkways and
lad d ers thatd o notc omply withA S 1657 , and wou ld be regard ed as les s than s afe
u nd erc u rrentris kas s es s mentprotoc ols . Forexample, mas tand gantryac c es s is often
via very longvertic allad d ers , and s tairs have longu nbroken ru ns and are inc lined at
u nc ommon angles . C M P Engineers has d es igned new walkways and platforms thatare
generally* A S 1657 c ompliantforbothB u c yru s and M arion d raglines . In ad d ition to
ens u ringgeometric alc omplianc e, featu res s u c has H u c kbolts , were inc orporated to
greatlyred u c e the inc id enc e offatigu e c rac king.
(* A S 38 68 and A S 1657 bothallow fors ome d eviation from A S 1657 where itis
imprac tic alto fu llyc omply d u e to the natu re ofthe equ ipment)
D ragline A c c es s S ys tems
3. 5. 2 S tru c tu ralA nalys is , D es ign and D es ign Review
C M P Engineers has many years ofc ombined experienc e in tes ting, analys is , d es ign and
inves tigations on d raglines . This inc lu d es the review ofO EM d es ign rec ommend ations ,
provis ion of inpu tto pu rc has e s pec ific ations , and Q A ac tivities d u ring manu fac tu re of
c omponents . W hen new mac hineryc omponents are ord ered we c an as s is twithmaterials
s elec tion and d es ign review of O EM or non-O EM s u ppliers . Rec entprojec ts inc lu d e
review work on a M arion 8 7 50 mas t, M arion 8 050 tu b, rac k bolting arrangements and
torqu e requ irements , s wivelbeam d es ign u pgrad e and failu re analys is on amotors haft.
W hen pu rc has ingreplac ementc omponents ford raglines and s hovels C M P Engineers c an
as s is twiths pec ifyingmaterials and /ord es ign featu res thatinc reas e the fatigu e life.
W hen failu res oc c u rC M P Engineers c an provid e inves tigation, tes tingand FEA analys is
to u nd ers tand the load s and s tres s es thathave been fac tors in the failu re. This knowled ge
c an be u s ed to improve the engineering and /oroperations to inc reas e the life offu tu re
c omponents .
In a rec entprojec tthe life of a boom footwas extend ed by s leeving an area that
experienc ed repeated c rac king and repair. This involved s tres s analys is to d emons trate
the s olu tion was feas ible, s ou rc ing s u itable materials , s pec ifying weld ing and repair
B efore A fter

17. C M P Engineers 15
proc ed u res and overs ightof the repair. This repairals o inc orporated long term s train
gau ge monitoringofthe joint.
D ragline boom footFEA , and implemented repair
C M P Engineers regu larlyad vis es on repairs trategies and failu re c au s ation on d ragline
c omponents , as wellas beingable to d es ign temporaryrepairs to s u s tain operation u ntil
planned s hu td owns .
3. 5. 3 Ventilation and C oolingofM ac hinery
D raglines operate in ahotand d u s ty environmentand are c ons equ entlyfitted with
ventilation s ys tems d es igned to keepthe rotatingmac hineryc ool. The s ys tems often d o
notoperate atmaximu m effic ienc y, forexample bec au s e the airfilters maygetbloc ked ,
ord u e to poorlyd irec ted s u pplyairand c ons equ entlyitis importantto optimis e the air
flow. C M P Engineers has u nd ertaken manys tu d ies , involvingon s ite meas u rements of
temperatu re and airflow, as wellas C FD mod ellingto d etermine how to red u c e the
temperatu res .
D ragline ventilation s tu d ies

18. C M P Engineers 16
3.6 LOW LOADERS
C M P Engineers /L oad qu iphas d es igned and s u pplied low load ers formovingmobile
equ ipmentarou nd the mine s ite. Fortrac ked equ ipmentin partic u laru s inga ru bber
tyred low load eris partic u larlybenefic ialin terms ofred u c ed maintenanc e c os ton the
trac ks and red u c ed time requ ired to s hiftequ ipmentto a new loc ation.
The L oad qu iprange inc lu d es payload c apac ities from 115tu pto 450t, withs ignific antly
higherpayload c apac ities feas ible bas ed on the exis tingd es ign arrangement. There are
s everalarrangements ofmac hines within the range, bu talls hare the c ommon featu res
ofs imple rearload ingand oilc ooled braking.
Variou s L oad qu ipL ow L oad ers

19. C M P Engineers 17
3.7 SPECIAL PURPOSE EQUIPMENT
C M P Engineers has d es igned a wid e range ofs pec ialpu rpos e equ ipmentinc lu d ing
tru c ks , bellyd u mpc oalhau lers and s altharves ters .
In generalmine operators pu rc has e "offthe s helf" O EM equ ipment. H owever, ifthere is
a s itu ation where there is no s tand ard mac hine available, C M P Engineers c ou ld d evelop
a d es ign s pec ific ation in c ollaboration withthe c u s tomer. The mac hine c ou ld then be
s u pplied byou raffiliated c ompanyL oad qu ip.
The image below is ofas altharves terthatwas d es igned byC M P Engineers , withtwo
u nits s u pplied byL oad qu ip. In this ins tanc e the mac hine arrangementwas bas ed
loos elyarou nd the form ofan exis tingmac hine withmajorc hanges throu ghou t. O ne
s ignific antc hange was the replac ementofs c rew c onveyors withflighted c onveyors for
liftingthe s alt. C M P Engineers d es igned allas pec ts ofthe mac hine.
S altH arves ter–S elfP ropelled

20. C M P Engineers 18
3.8 ROLL OVER PROTECTIVE STRUCTURES (ROPS)
C M P Engineers has inves tigated the is s u es arou nd RollO verP rotec tion S tru c tu res
(RO P S )forlightvehic les as wellas u nd ertaken s tres s analys is s tu d ies on many vehic les
fors u ppliers . W e have als o
 d es igned a RO P S tes tjigto fac ilitate RO P S d evelopment.
 d es igned RO P S forheavy vehic les
 u nd ertaken RO P S reviews forarange ofminingequ ipment.
 d es igned integrated RO P S c abs
 c arried ou td es tru c tive RO P S tes tingforheavy vehic les on ou rd es igns .
Typic allightvehic le RO P S analys is
H eavy Vehic le RO P S tes t–EM T60 0 6x6 Tru c k

21. C M P Engineers 19
3.9 ROOT CAUSE ANALYSIS
C M P Engineers has u nd ertaken manyfailu re inves tigations and u nd ers tand s the root
c au s e analys is proc es s . W e c an fac ilitate inves tigations u s ingprac tic alexperienc e and
an exc ellentu nd ers tand ingofwhythings fail.
Forexample, in Janu ary20 14 as hipload erboom d ropped u nexpec ted ly into the
B ris bane River. There had been a lightnings torm the previou s eveningand elec tronic
d amage was beingpos tu lated as the c au s e ofthe failu re. This was agood example of
how the prec onc eived notion ofan elec tric alfau ltgu id ed inves tigations . C M P Engineers
s howed thatboththe primaryand s ec ond arybrakes had been verypoorlymaintained
and were totallyineffec tive, and thatthe reality was the failu re mec hanis m c ame d own to
s imple poormaintenanc e.
D ropped S hipload erB oom –B ris bane 20 14
In the c ontextofas s etmanagementwe c an as s is twithd efec telimination projec ts where
tec hnic alis s u es withplantorequ ipmentare id entified . In the c as e ofnon-O EM s ou rc ed
equ ipmentwe c an provid e tec hnic alad vic e to id entifythe c au s e ofafailu re and to as s is t
the s u pplierto improve its equ ipment. In s ome c as es failed d es igns d o notneed d ras tic
c hanges to make them s u c c es s fu l.

22. C M P Engineers 20
3.10 MAKING METAL WORK
A s ares u ltofou rrepeated obs ervations ofpoorlyexec u ted s tru c tu ralrepairs , C M P
Engineers feltthere was a need fora bas ic c ou rs e in engineeringmec hanic s and related
topic s . C M P Engineers d eveloped a 4 d ayc ou rs e entitled “M akingM etalW ork”c overing
bas ic engineeringmec hanic s , bas ic metallu rgy, and bas ic failu re analys is . The c ou rs e is
id ealformaintenanc e pers onneland ju niorengineers .
Ithas been c learthrou ghd eliveringthe c ou rs e thatrepairers often have a limited
u nd ers tand ingofthe u nd erlyings tru c tu ralintent, and c an s ometimes make poor
d ec is ions withres pec tto the form ofarepair. Id eally, throu ghd oingthe c ou rs e,
maintenanc e pers onnelwillgain an improved ins ightinto the c au s es ofd amage and c an
implementimproved repairs , and als o id entifymore s eriou s u nd erlyingis s u es . A n
appropriate motto forthe c ou rs e is , 'Fix ForeverN otForeverFixing', whic hwe firmly
believe is ac hievable in mos tins tanc es .
C M P Engineers has pres ented c ou rs es forThies s , L eighton C ontrac tors , and A u rizon.

23. T
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