Specialist Survey & Earthworks Modelling

Precision 12d Modelling and Design Data for Major Infrastructure Projects

BTS Surveying delivers Earthworks Modelling, Design Data Management, Quantities, Survey Team Assistance and Tender Support for Tier 1 civil contractors delivering roads, rail and bridge projects across NSW & QLD.

12d Model road corridor wireframe design
20+Years in the surveying industry
10+Years as Survey Manager on Tier 1 (TfNSW) projects
10+Major infrastructure projects supported
Every deliverable modelled & reported in 12d
What We Do

Specialised Survey Services

From tender support through to modelling, data management and reporting — everything a survey or estimating team needs, all built in 12d Model.

01

Earthworks Modelling

Subgrade and boxing models for bulk earthworks calculations and volumes.

Cut / fill volumesRetaining wallsShallow embankmentsUZF
02

Design Data Management

Modelling of structures, bridges and stormwater assets to support design and construction teams.

Structures & bridgesCulverts, pits & pipesPavement layers
03

Quantities

Accurate pavement quantity take-offs built for confident, competitive tender pricing.

AsphaltSMZLCSVerge materialTopsoilEOM QTYS
04

Survey Team Assistance

Reporting and cross-checks that support every member of the survey team.

Cross sectionsLong sectionsConformance reportsWAE reports
05

Tender Support

Dedicated support for your tender team from EOI through to submission — coordinating survey data, earthworks models and quantities against the program.

EOI to submissionEstimator liaisonProgram & deadlinesMulti-discipline coordination
06

12d Model Output

A sample road interchange corridor model, built and delivered in 12d — representative of the modelling behind every project.

12d Model road interchange corridor design
12d Model logo Powered by 12d ModelAll modelling, reporting and quantities are produced in 12d, ready to plug straight into your existing survey and design workflow.
Background

20 Years in Survey. Built for Tier 1 Delivery.

BTS Surveying has over 20 years of experience in the surveying industry, with strong infrastructure experience across many high-profile civil works projects — including roadworks, rail and bridges.

That includes 10+ years as a Survey Manager on large Tier 1 (Transport for NSW) projects, and time before that as a Project / Engineering Surveyor. For the past two years, BTS Surveying has focused on tendering support for Tier 1 companies — generating the earthworks models and quantities that underpin accurate, competitive tender submissions.

Discuss Your Project
BTS Surveying mark

Boris Temelkovski

Founder & Director
  • 20+ years in the surveying industry
  • 10+ years as Survey Manager, Tier 1 (TfNSW) projects
  • Former Project / Engineering Surveyor
  • Specialist in 12d Model earthworks & design data
Track Record

Project Experience

Trusted to support tender and design teams on some of the largest civil infrastructure projects across NSW & QLD.

Tender Support

  • Coffs Harbour Bypass Tender
    Status
    Under construction — targeting opening in 2027
    Location
    NSW Mid North Coast — approx. 14 km bypass from Englands Road (south) to Sapphire (north)
    Scope
    New four-lane divided highway bypassing the Coffs Harbour town centre, including major bridge structures
    Funding
    Australian & NSW Governments
    Source: transport.nsw.gov.au
  • M1 Pacific Motorway — Black Hill to Tomago Tender
    Status
    Under construction — expected open to traffic 2028
    Location
    Hunter Region, NSW — southern ~10 km contract of the 15 km M1 extension to Raymond Terrace
    Scope
    Dual carriageway extension featuring a 2.6 km viaduct over the Hunter River, floodplain, rail line and New England Highway
    Investment
    $2.1 billion total (Federal & NSW funding)
    Source: transport.nsw.gov.au
  • M7 / M12 Interchange Tender
    Status
    Under construction — opening expected 2026
    Location
    Western Sydney, NSW — connecting the M7 to the new M12 Motorway serving Western Sydney International Airport
    Scope
    New interchange, Elizabeth Drive connection and Westlink M7 widening
    Delivery
    John Holland Group
    Source: m7m12integrationproject.com.au
  • Logan Motorway Upgrade Project Tender
    Status
    In planning & design — construction anticipated mid–late 2027
    Location
    Western Logan Motorway, QLD — Centenary Motorway to Mount Lindesay Highway
    Scope
    Additional traffic lanes, interchange upgrades and smart motorway technology across ~10 km
    Delivery
    Transurban, in partnership with the Queensland Government
    Source: loganwestupgrade.com
  • Muswellbrook Bypass Tender
    Status
    Early works underway, moving toward major construction
    Location
    New England Highway, Muswellbrook — Hunter Region, NSW
    Scope
    New free-flow bypass around the Muswellbrook town centre to improve safety and freight efficiency
    Funding
    Australian & NSW Governments
    Source: transport.nsw.gov.au

Design Data Manager

  • WestConnex 3B Tunnel works
    Status
    Completed & operational (November 2023)
    Location
    Rozelle, Sydney NSW — part of the M4–M5 Link
    Scope
    Large underground interchange built at the former Rozelle Rail Yards, connecting to the M4, M8, Iron Cove Link and future Western Harbour Tunnel / Beaches Link
    Investment
    ~$7.2 billion (M4–M5 Link project)
    Source: infrastructurepipeline.org
  • M7 / M12 Interchange Civil works
    Status
    Under construction — opening expected 2026
    Location
    Western Sydney, NSW — connecting the M7 to the new M12 Motorway serving Western Sydney International Airport
    Scope
    New interchange, Elizabeth Drive connection and Westlink M7 widening
    Delivery
    John Holland Group
    Source: m7m12integrationproject.com.au

Quantities

  • Goulburn River Solar Farm Quantities
    Status
    Under construction (commenced 2025)
    Location
    Merriwa, Upper Hunter Region, NSW
    Scope
    558 MWdc solar farm with 49 MW / 562 MWh battery storage — approx. 1 million bifacial panels on trackers
    Output
    ~1.3 million MWh/year, powering approx. 225,000 homes
    Source: dtinfrastructure.com.au
Why BTS Surveying

A Specialist, Not a Generalist

01

Genuine Tier 1 Experience

Eight years managing survey on major TfNSW projects means BTS understands exactly what tender and design teams need — and when they need it.

02

12d Model Specialist

Every model, report and quantity is built and delivered in 12d, ready to drop straight into your existing workflow.

03

Tender-Ready Turnaround

Focused specifically on the fast, accurate turnaround that tender preparation demands, under real deadline pressure.

04

Direct, Personal Service

You work directly with Boris on every project — no hand-offs, no account managers, just clear communication.

Get In Touch

Let’s Talk About Your Next Project

For tender support, earthworks modelling or design data management enquiries, get in touch directly — Boris responds personally to every enquiry.

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