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Australian EstimatinG

SOLUTIONS

Dedicated, First Principles Mining and Civil Estimating Specialists

Consultant estimating specialists with over 20 years experience in global mining and civil projects. 

With three career estimators guiding the company, AES delivers the same depth of expertise as a large company estimating team, made accessible to civil and mining companies of every size.

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Transparant, honest solutions and expertise. Available when you need them most.

We know the industry.   
We know how to price it.
 No Bullshit.
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After two decades working together,

We've built something new.

A fresh directorship,
built on a legacy of trusted individuals.
Backed by 90 years of shared experience.
The same dedicated team,
the same expertise.

Businesses evolve.

Excellence never goes out of style.

Consultant estimating specialists with over 20 years experience in global mining and civil projects. 

We deliver short turn-around tender estimates and first-principles estimating with accuracy, clarity and reliability for clients across Australia and worldwide.

Thomas Holt

Director and Senior Estimator

Across more than 40 years in Australia and internationally, Tom has helped establish some of the core methodologies that have become industry standard in heavy mining and civil estimating.

 

As a founding member, joint owner, and co-director of AES, Tom brings a wealth of knowledge and a practical, hands-on approach to the team.

tom.holt@ausest.com       

+61 418 910 110 

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Rainer Buschenhofen AES Australian Estimating Solutions Civil and Mining Estimator

Rainer Buschenhofen

Director and Senior Consultant Estimator

Rainer has worked alongside Tom as a dedicated estimator since 2007.

With two decades of experience across heavy mining, underground mining and heavy civil estimating, Rainer is known for his accuracy, honesty and detail-oriented industry knowledge — qualities that consistently deliver reliable results.

 

In addition to his strong estimating background, he brings valuable programming skills that add a unique and practical edge to the AES team.

rainer.b@ausest.com       

+61 421 679 874

Jordan Holt

Director and Senior Consultant Engineer/Estimator

Working in partnership with Tom and Rainer since 2013, Jordan is known across the mining industry for his straightforward approach and unwavering honesty.

 

Highly efficient and detail-focused, he brings clarity and precision to every estimate he delivers.

With his background as a Site Engineer, Jordan’s expertise is grounded in on-site experience across the Pilbara — from Karratha through Cape Lambert, Tom Price, Cape Preston, and Port Hedland — giving him a realistic, practical understanding of the work behind every model number.

jordan.holt@ausest.com       

+61 488 705 908

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We are very proud to work with some of the biggest names in the business.

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Our name might be new to you

But our work has been supporting the industry for over 40 years.

.......... and here's a small sample of it.

AGMILL AND PLUTO

NRS AMMONIUM NITRATE PROJECT

APLNG

ARMENIA PROJECT,

ATLAS IRON PROJECT

ATLAS IRON RISK

AUVEX MINING BUDGETS

B2 GOLD

BALL MILL

BENTLEY BOX CUT

BODDINGTON CLOSURE

BROADMEADOW

KALBARRI, BULADELAH BYPASS

CAPE LAMBERT FEASIBILITY STUDY

CAPE LAMBERT PROJECT

CAPRICORN GOLD HAULS

CATALPA

CAZALY PROJECT

CBI TANKS

KARARRA

COBURN PROJECT

COBURN MINERAL SANDS

CONNORS RIVER PIPELINE

COSTES MOV

TIERRAS MINING PROJECT

DAMPIER HIGHWAY

DAMPIER MARINE SERVICES FACILITY

DAUNIA PROJECT

DEGRUSSA 

DEGRUSSA REHABILITATION

ENTECH SUBSTATIONS (GENUS CLEAN)

ENTERPRISE BUDGET PRICING

EUSTON MODEL

EXTENSION HILL

FENIX BEEBYN HAUL ANALYSIS

FG GOLD

FMG AIRPORT

FMG CAMPS

FMG CHRISTMAS CREEK MINING PROJECT,

FMG RAIL

FMG SOLOMON PROJECT

FREMANTLE HIGH STREET

FREMANTLE PORT

GABANINTHA

GARDEN WELL AND ERLISTOUN PROJECT

GATEWAY VISION PROJECT

GRAHAM FARMER FREEWAY TUNNEL WIDENING

GORGON PROJECT

GOSSAM VALLEY BOX CUT

GOVE TAILS DAM PROJECT

GREAT EASTERN HIGHWAY UPGRADE

HASTINGS MODEL

HORIZON AND GLNG PROJECTS

HORIZON COAL PROJECT

HUMMINGBIRD KOUROUSA

IHDBW

IHDBW / MARANDOO / ROUSE HEAD / TGLV

INDONESIA IRON SANDS

KUNUNURRA AND FITZROY CROSSING BUDGETS

LOM MINING MODEL & HAUL STUDY

MACEDON PROJECT

MARDI PIPELINE  PROJECT

MAWSON WEST- PWETO RUNWAY

MIDDLEMOUNT RAIL PROJECT

MIDWEST RAIL UPGRADE PROJECT,

MINE REHABILITATION ALCOA

MINE REHABILITATION ELLENDALE

MMG GOLDEN GROVE OPEN PIT

MRD PROJECTS

MRDWA CONTRACTS BUDGETS

MT BEVEN

MT GIBSON GREAT NORTHERN HIGHWAY

KARRATHA BULK EARTHWORKS

MT MAGNET PROJECT,

MULGA 10&14

MTPA 

MUNGADOO HAULS

MUNGARI CRUSHER FEED

NORTH STAR, NORWAY PROJECT

NT TAILS PROJECT

NULLAGA MINE DEVELOPMENT PROJECT

 NULLAGINE GOLD PROJECT

NZEMA GOLD PROJECT

OLYMPIC DAM

ORD RIVER IRRIGATION

PACKSADDLE 

PERDAMAN CIVILS

PERENJORI RAIL SIDING

PERENJORI EXTENSION

RIO CROSSING

RIO POWER STATION

ROE HIGHWAY EXTENSION STAGE 8

ROSSING MINE CLOSURE

ROY HILL,

SANBRADO & TOEGA

SAUDI MINING PROJECT

SKA PROJECT

SOUTH STREET / MURDOCH DRIVE

SOUTH WALKER PROJECT

SPANISH MINING PROJECT

BARRUECOPARDO COST MODELLING

SYAMA NORTHERN PITS

NARROWS BRIDGE PROJECT

DEVIL CREEK PROJECT

KOMO PROJECT

NSW WIND FARM

PILBARA IRON WORKSHOP

TONKIN CULVERTS

TROPICANA PROJECT

TUCKABIANNA MINE BUDGET

WANNEROO ROAD

WARRAGAMBA E FLOWS

WHEATSTONE PROJECT aND SITE PREPARATION

WIMMERA 

Here’s where we do our best work

- and how we can help you do yours.

MINING ESTIMATES

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Claims Preparation

Critical path analysis & planning

Dispute Resolution

Drill & Blast

Material processing

Mine dewatering

Open pit gold

Open pit iron ore

Ore haulage &
heavy haulage

Tailings storage facilities

Tender analysis & comparison

Tender negotiation

Material processing

Iron ore

Base metals

diamonds

coal

bauxite

mineral sands

Tender Preparation

CIVIL ESTIMATES

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Airports

Bridges

Dams

Drainage, culverts & service reticulation

Earthworks - bulk & detailed

Infrastructure civil works

Large & small concrete works 

precast concrete

Pipelines

Ports and marine structures

Quarrying and rock armor works

Railroads including formation, track laying & infrastructure

Roads and highways

Sewer and water reticulation

Storage dams for water & tailings

Tunnelling & micro tunnelling

PROJECT MANAGEMENT

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Budget estimates

Claims preparation

Cost comparisons

Critical path analysis & planning

Dispute resolution

Shadow estimates

Tender analysis & comparison

Tender documentation preparation

Tender negotiation

CONSTRUCTION EXPERTISE

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Civil & bulk earthworks

Drill & blast

Engineered lifts

Mechanical construction & installation

Precast concrete construction

Project planning & Quality management

Wharfs & marine construction

Rail construction

Roadworks construction & Maintenance

Insitu Concrete

Structural steel

Surveying

Don't worry
Me and my squad of ultimate badasses will protect you

- Private First Class William L. Hudson

Image by Codioful (Formerly Gradienta)
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Australian Estimating Solutions

Ultimate.
Badass.
Estimators.

Unit 18, Upper Level

Gateway Business Centre

Andrea Lane

Booragoon 6154

Western Australia

Contact Us

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