William R. Acorn is founder of Acorn Consulting Services, LLC, an engineering firm. As a consulting mechanical engineer, Bill provides project analysis, forensic reconstructions and litigation support services relating to the design, delivery, and functioning of high-tech manufacturing facilities, semiconductor fabrication facilities, institutional laboratories, data centers, health care facilities and a variety of commercial buildings. He is a recognized expert in the evaluation of deficiencies in HVAC systems, cleanrooms, piping systems, refrigeration systems, construction defects, building and fire code compliance, and patent and trade secret disputes. He represents both plaintiffs and defendants.
Bill has more than 40 years of experience as a professional engineer and is a recognized expert in assessing, evaluating, remediating and providing testimony on complex project design, construction and operational matters. His consulting expertise has been influential in shaping approaches to code compliance and life safety in semiconductor and similar advanced technology facilities.
Building Systems Analysis:
Bill’s pragmatic approach to both forensic and litigation consulting as well as project consulting is based on more than 40 years of real-world experience as a design professional, mentor and forensic analyst, as well as many years as an instructor in professional and academic settings.
Represented both plaintiffs and defendants in a variety of jurisdictions throughout the US and Asia. Bill’s ability to explain complex issues to non-technical audiences, including juries, mediators and judges, is a key to successfully solving your litigation challenges.
Acorn Consulting Services
Consulting Services: Services range from peer review to conceptual design to development of strategies and programs for expedited project delivery.
Bill frequently acts as an owner’s agent and mentor, functioning as an extension of the owner’s project team. On other projects, Bill serves as a subject matter expert assisting project delivery firms in their development of viable solutions and review of construction documents.
As a project consultant, Bill assures the project gets off to the right start and provides his expertise through completion and operation to maximize return on investment.
Consulting Expertise Includes:
|Midwest Regional Office|
819 S. Wabash Ave., Suite 700
Chicago, IL 60605
|New York City and New England Office|
712 South Britain Road
Southbury, CT 06488
Concrete Constructives provides consulting and field services for specialized aspects of concrete floor design, construction, maintenance, repair and protection.
Principal Peter A. Craig has over 42 years of experience with concrete floor slabs and is today best known for his work with moisture-related flooring and coating problems over concrete sub-floors. Mr. Craig has authored over 20 nationally published articles and has been a guest lecturer at over 100 industry conferences and meetings in the past 20 years. He has provided consulting services or testing on over 400 moisture-related flooring or coating problems nationwide.
Peter Craig served as national president of the International Concrete Repair Institute (ICRI) in 1996 and today serves as sub-committee chairman and a lead instructor for the ICRI Moisture Testing Certification Program. Mr. Craig is a Fellow of the American Concrete Institute and currently serves as sub-committee chairman for ACI 302.2R; Guide for Concrete Slabs that Receive Moisture-Sensitive Flooring Materials. Peter is an active member of ASTM Committee F-6 (Resilient Flooring) and also maintains membership in ASCC, CSI and NNECPA.
In 2012 Mr. Craig was voted as one of the five most influential people in the concrete construction industry by Concrete Construction Magazine.
Peter Craig has devoted his life to improving the quality of concrete construction and repair.
|Northern California Office|
101 Parkshore Drive Suite 100
Folsom, CA 95630
|Southern California Office|
17901 Von Karman Ave Suite 600
Irvine, CA 92614
|Pre-Construction Services||Post-Construction Services|
Julian Forbes-Laird is a Chartered Arboriculturist, Arboricultural Association Registered Consultant, experienced Expert Witness and Principal Consultant of Forbes-Laird Arboricultural Consultancy Ltd. Mr. Forbes-Laird has a professional practice working throughout the UK and overseas. He covers all aspects of arboriculture, specializing in planning, tree safety and litigation related matters.
Mr. Forbes-Laird is supported by a team of regionally based consultants, giving him national and international reach. He sets the standard for client service, works throughout the UK and abroad, provides commercially realistic strategic advice, prepares sensitive yet practical management plans, works within project design teams to evolve arboriculturally defensible layouts, wins planning appeals, and handles an enormous amount of work under pressing deadlines helping clients' achieve the best outcome.
Mr. Forbes-Laird is widely recognised as an authority on legal issues pertaining to trees and is an experienced Expert Witness. His expert services include Pre-Action Case Evaluation, TPO Prosecutions, Forensic Accident Investigation and Tree Root Damage to Buildings. Other Services Include:
Paul Gentosi, CFLC, FEWA has over 45 years of very diverse and extensive General Contracting experience from journeyman tradesman to upper-level management throughout Orange, Los Angeles, Riverside, and San Bernardino Counties. He has general contracting experience in varied disciplines including commercial, industrial and multi-family construction.
Construction Managemen and Construction Oversight- Mr. Gentosi and his team at Gentosi Construction Consulting & Litigation Support have been providing CM and construction oversight services for over 10 years. We are hands-on handling entitlement, construction document preparation, permitting and construction. With four decades of experience, they are in a strong position to provide services to developers, owner-builders and other professionals in the industry. Couple this vast experience with his 45 years as a General Contractor, there is not much that escapes his view. We make the perfect fiduciary for the user.
Areas of Expertise:
Hastak Consulting Services is a Construction Engineering and Management firm established by Prof. Makarand (Mark) Hastak, PhD, PE, CCP, CRIS, Professor and the Dernlan Family Head of Construction Engineering and Management as well as Professor of Civil Engineering at Purdue University. Dr. Hastak offers consulting services to clients around the world in the following areas:
Dr. Hastak has been involved with the construction industry for the past 32 years providing his expertise through consulting, research, teaching, and service to the industry. He is a world renowned expert in the area of construction engineering and management including process improvement, disaster risk reduction, resilience and capacity building, infrastructure management, factory built housing, intelligent planning for the built environment, cost control, project management decision-making, risk management, contracts and warranties, and strategic planning. Dr. Hastak is a Professional Engineer (PE), a Construction Risk Insurance Specialist (CRIS), and a Certified Cost Professional (CCP). Dr. Hastak has given over 40 keynotes and invited lectures around the world. As a prominent educator, he also engages in developing training material and workshops as well as regularly teaching professional courses for the A/E/C industry. He has completed the 30-Hour OSHA Hazard Recognition Training for the Construction Industry. His services include consultation, on-site investigation, data collection, assessment, and reporting. Dr. Hastak Lectures at the 2015 International Conference on Building Resilience
Prof. Hastak has worked on numerous projects sponsored by the Construction Industry Institute (CII), NSF, State DOTs, and City Agencies. He has authored over 200 publications on process improvement, project controls, capital rehabilitation planning, strategic planning, and decision-making. He has co-authored a widely used book on Infrastructure Planning, Engineering, and Economics (McGraw-Hill 2006 and 2015). Dr. Hastak served on the Education Board of the Association for Advancement of Cost Engineering (2004-2016). He was Editor for two AACE books, the Skills and Knowledge of Cost Engineering (6th Ed. 2015) and the CCP Certification Study Guide (2nd Ed. 2016). He was also the Editor-in-Chief of the ASCE Journal of Management in Engineering (2009-2016). View Dr. Hastak's Expert Witness Profile.