Hatch @ RETC 2023

People and perspectives for positive change

Rapid Excavation and Tunneling Conference (RETC)

June 11-14, 2023. Boston, MA

Hynes Convention Center & Sheraton Boston (HQ Hotel)

Hatch is delighted to be a Gold sponsor, exhibitor, and presenter at RETC 2023.

RETC is the only conference with a dedicated focus on the developments, technology, trends, and innovations that directly affect the tunneling and underground construction industry. Featuring a wide variety of technical sessions and speakers combined with our expansive exhibit hall, RETC will be a professional event you will truly enjoy and remember. The Rapid Excavation and Tunneling Conference (RETC) is sponsored by the Society for Mining, Metallurgy & Exploration (SME).

You’re invited to join us at booth 107. We can’t wait to see you!

Latest News

DC Water Potomac River Tunnel, USA

Hatch is shortlisted for Bid Design services with CBNA-Halmar, and engineering team partner COWI

Minneapolis Central City Parallel Tunnel, USA

Tunnel construction by PCI Roads commenced in September 2021

ALCOSAN Deep Interceptor Shafts, USA

Design of new access shafts to the 60% design level is ongoing

Inner Harbour West Tunnel, CAN

Design of new CSO tunnels and shafts in the heart of downtown Toronto is ongoing

Ashbridges Bay Treatment Plant Outfall, CAN

Excavation for the 3.5km long, 7m internal diameter tunnel was successfully completed in March 2022 by Southland. Work is ongoing for the riser tunnel connections

Kemano T2 Project, CAN

Final tunnel walkthroughs are ongoing in preparation for dry and wet commissioning to begin conveying water for electric power generation

Annacis Island WWTP Outfall, CAN

TBM tunneling and riser construction is ongoing for the new outfall by BeSSAC

Ontario Line South Civil, CAN

Tender design completed and submitted together with our teaming partners Arup, Aecon, Dragados and Dr. Saur


Mount Royal Tunnel double arche replacement
Innovating tunnel rehabilitation with the Sequential Demolition Method

Ashbridges Bay Treatment Plant Outfall
Anticipated to be the largest wastewater outfall in Canada

Minneapolis weathers the storm with a new parallel tunnel
Lowering the pressure on the Central City storm tunnel system

Regional Connector Transit Corridor
People-moving that benefits the environment and economy

Euclid Creek Storage Tunnel
Reducing overflows in the District’s entire service area

Elm Road Generating Station Water Intake Tunnel
Providing over two-billion gallons of cooling water per day

Dulles Airport Tunnels
New landside, airside facilities enhance travel and accommodate growth

Kemano Second Tunnel (T2) Project
Enhancing the long-term reliability of renewable hydropower for aluminium smelter

Burnhamthorpe Water Project
Making way for dramatic urban transformation

Mid Halton Wastewater Treatment Plant
Award of Excellence at the 2020 Canadian Consulting Engineering Awards

Port Mann Water Supply Tunnel
Safe, dependable water delivery to the Vancouver Lower Mainland

Seymour-Capilano Twin Tunnels
Delivering clean drinking water to Vancouver residents

Niagara Tunnel
World’s Largest hard-rock-tunnel-boring machine was used in construction



Transit Tunnels

Tunnels & Trenchless Technologies



Cost & Schedule Estimating
Tunnel Feasibility Studies
Economic Evaluations
Major Investment Studies
Corridor Analysis
Trenchless Technologies
Microtunnel Boring Machines
Horizontal Directional Drilling
Jack & Bore
Pipe Ramming
Tunnel Lining Design
Pre-Cast Concrete Segmental
Cast-in-Place Concrete
Steel Liner Plate & Ribs
Tunnel Design
Hard & Soft Rock
Soft Ground
Tunnel Lining Design
Pre-Cast Concrete Segmental
Cast-in-Place Concrete
Steel Liner Plate & Ribs

Ground Improvement
Jet Grouting
Compensation Grouting
Permeation Grouting
Ground Freezing

Project Delivery
Contract Documents
Contractor Design
Public-Private-Partnerships (P3)
Owner’s P3 oversight
Geotechnical Characterization
Geotechnical Baseline Reports
Geology & Hydrogeology
Investigation & Assessment
Instrumentation & Monitoring
Conventional & Linear Survey
MPBX, Tapex, Inclinometer
Electronic Data Collection
Construction Management
Contract Administration
Resident Engineering
Claim Resolution
Payment Review
Numerical Modeling of Ground
Structure Interaction
2-D & 3-D Modeling
FLAC, Phase2, Staad
Settlement Prediction & Mitigation
Building & Utility Damage
Monitoring Programs
Pre-Construction Condition Surveys
Pre- & Post-Tunneling Mitigation
Program Management
Program Delivery
Project Controls
Document Management
Configuration Management
Contract Packaging
Seismic Hazard Assessment
Design Ground Motions
Fault Hazard Assessment
Fault Crossings
Liquefaction Potential
Risk Management
Risk Registers
Qualitative Assessments
Quantitative Assessments
Monte Carlo Analysis
Tunnel Excavation Methods
Mainbeam & Shielded Rock TBMs
EPB & Slurry Soft Ground TBMs
Sequential Excavation Methods
Drill & Blast
Conventional & Hand Excavation
Rock Support Design
Rock Bolts
Steel Mesh
Lattice Girders & Ribs
Spiles & Canopy Tubes
Fire Life Safety Analyses
Code Compliance
Exit Analyses
Fire Modeling
Condition Surveys
Corrosion & Design Life Assessment
Remediation Design
Emergency Repairs
Systems Restoration

How to find us

RETC 2023
Booth 107

Meet our experts
Our leading experts will be attending RETC 2023 and are available for further discussion on how we can help you solve your toughest challenges.

Find Hatch at NAT 2022

Jean Habimana
Global Tunnel Director
+1 438 266 0788

Randy Divito
Tunnel Practice Director, USA
+1 716 221 4597

Derek Zoldy
Director, Western Canada
+1 905 403 4425

Saeid Rashidi
Regional Director, Tunnels, Eastern USA
+1 1 332 255 6046

Majid Eslami
Regional Director, Central USA

Dan Ifrim
Regional Director, Tunnel Methodologies
+1 647 448 5832

Matthew Geary
Tunnel Practice Regional Director, Ontario
+1 905 940 5825

Gary Kramer
Technical Advisor – Tunnels

Hannah Ehtemam
Project Engineer
+1 905 403 3689

Hossein Bidhendi
Tunnel Practice Regional Director
+1 905 491 7258

Andre Solecki
Senior Project Engineer
+1 905 919 3783


Click here to view the full technical program for RETC 2023

MONDAY JUNE 12, 2023
10 a.m.
Design Aspects of the Minneapolis Central City Parallel Tunnel

Presenter: Randall Divito

8:30 a.m.
Major Rehabilitation of the Montreal 55 years old Lafontaine Immersed Tube Highway Tunnel – Design Consideration

Presenter: Jean Habimana

9:30 a.m.
Design and Construction of REM Tunnels and Underground Structures

Presenter: Gary Kramer

9:00 a.m.
Ashbridges Bay Treatment Plant Outfall TBM Risk Mitigation – Prescriptiveness and Verification of TBM Fabrication

Presenter: Dan Ifrim and Andre Solecki

Interested in a career with Hatch?

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Join Hatch, and employee-owned company with offices in 70+ countries and a strong US presence. With over 28 offices and exciting tunnels projects!

Learn about our mission, vision, and values here.