Page 3 - Brierley Company Overview

Brierley Associates Underground Engineering Services

Brierley Associates has been involved with more than 300
Is a national tunnel, trenchless, geotechnical, underground projects. We understand the importance of evaluating
and geo-structural design firm with offices anticipated ground behavior and its effect on the design and construction
strategically located across the United States.
of your project. Our objective is to deliver well balanced projects, with
proper consideration of design, risk and constructability.
Brierley Associates delivers intrinsic,
recognizable value to our owner, A/E firm, and • Design of Hard Rock and Soft Ground Tunnels,
contractor clients by focusing on • Shafts and Microtunnels
constructability, efficiency and practicality.
• Geologic Mapping and Evaluations
• Geotechnical Data and Baseline Reports
• Contract Document Preparation
• Feasibility Evaluations and Peer Review
We “Create Space Underground” • Value Engineering
• Blasting Design
• Ground Improvement Design
• Temporary Structures Design
• 3D Finite Element Modeling and BIM Trenchless Technologies
Brierley Associates nationwide and international
experience allows us to anticipate and assess challenges
involved with design and construction of underground Brierley Associates supports owners, engineering design
infrastructure. professionals and trenchless/geotechnical contractors with
all aspects of trenchless technology. Our geologists,
We are federally certified with the Small Business trenchless and underground engineers know how to
Administration (SBA) and consistently ranked within the deliver efficient, effective and constructible designs for:
top 30 Trenchless Design firms as reported by Trenchless
Technology.
• Microtunneling
Our geotechnical and structural design and consulting • Auger Boring
services are founded on a keen understanding of our • Pipe Jacking
clients' needs, subsurface conditions, site-specific • Pipe Ramming
constraints, and the risks associated with the construction • Direct Pipe
of underground facilities and heavy civil infrastructure • Horizontal Directional Drilling (HDD)
projects. • Guided Boring Method (GBM)
• Hand Mining
• Pipe Rehabilitation, Relining and Bursting

Brierley Associates operating philosophy is based on partnership and honesty with each Geostructural Design
other, our clients and peers.
Geotechnical Design
Our staff of more than 60 engineers and geologists believe that trust is the greatest form of Brierley Associates geotechnical, geological and
human motivation and we strive to make our clients glad that they came in contact with us. Brierley Associates offers geotechnical engineering structural professionals have extensive experience in
design and construction phase services including: the analysis and design of:

• Underpinning
• Subsurface Investigations • Deep Foundations
• Geologic and Geotechnical Mapping
Construction Engineering • Deep and Shallow Foundations • Ground Improvement
• Earth Retention Systems • Cut & Cover Structures
• Jacked Box Tunnels
Brierley Associates’ geotechnical and structural • Levee and Embankment Dam Evaluations • Slope Stabilization Systems
engineers have real-life experience to develop a wide • Construction Dewatering Analysis
range of efficient and constructible designs for: • Seismic Hazards Evaluation and Mitigation • Permanent Earth Retention Systems
• Landslide Evaluation and Stabilization Design • Temporary and Permanent Shaft Support
• Heavy Lifts & Below the Hook Lifting Devices • Rock Fall Hazard Assessment and Mitigation • Temporary Support of Excavation (SOE) Systems
• Formwork & Falsework • Ground Improvement Engineering
• Cofferdam & Excavation Support • Geotechnical Instrumentation and Monitoring
• Trestles & Work Platforms • Forensic Engineering, Claim, and Dispute Resolution
• Rebar Cage Handling & Stability
• Tower Crane Foundations & Working Surfaces
• Marine Engineering
BrierleyAssociates.com