Mechanical / Plumbing / Piping / HVAC Construction Consultants: 15

Rieser Building Group is a leading builder, engineer, architect, and forensic team with over 25 years of experience in management, design, and construction of over 4,000 units. These units range from custom homes, commercial buildings, and developments, to public works like Caltrans and BART construction, and roadway improvements (over 500 miles). With a full breadth of professional development services, they manage all aspects of a project, from entitlements to design to warranty.

Building Services - Design in-house, or, as licensed engineering and construction professionals, Rieser Building Group can manage an outside team of architects, civil engineers, structural engineers, and landscape architects.

Engineering and Design Services - Spearheaded by a professional Engineering & Architectural team, Rieser provides innovative designs and timely approvals in custom homes, commercial buildings, apartments, large developments, structures, topo-mapping, hydraulics, traffic engineering, and transportation engineering.

Development Services - Developing single custom-built home or a multiphase project, Rieser will expedite the development process, establish a joint venture to share costs, or purchase the project. In addition to flexible management, they conduct property feasibility studies to calculate the right mix of homes and maximize ROI. 

Mark E. Rieser, II, MS, PE, AIA, GBC, GEC, has over 30 years of experience in the Construction and Building Design industry. He provides his clients with a comprehensive knowledge of Construction Technology and Construction Standards of Professional Practice. Background Experience - President of an active Design / Build company, Mr. Rieser has managed, designed, and constructed over 4,000 units to include high-rise, single family homes, condominiums, townhomes, podiums, apartments, and commercial buildings, His experience includes construction, management, and design of over 500 miles of asphalt and roadway improvements, tunnels, San Francisco Airport, Santa Clara Light Rail, Southern Pacific Railroad, Caltrain, and BART. Mr. Rieser has an insightful understanding of Civil / Structural Engineering, Soil Engineering, Transportation / Traffic Engineering, Hydraulic Engineering, Architectural Design, Asphalt Design, Cost Estimation, Public Works Design Bidding and Estimation, General Engineering, General Building, and an Accident Reconstruction expert.

View Mark Rieser's Expert Witness Profile.

Since 1988, Real-World Forensic Engineering, LLC ("RWFE") has provided engineering services to industries and government labs, as well as litigation support to both plaintiff and defense attorneys practicing in many areas.

RWFE Areas of Expertise Include:

At RWFE, we proudly distinguish ourselves by our Four C's:

CREDENTIALS. COMPETENCE. CREDIBILITY. COMMUNICATION.

Design Evaluation – Accident Investigation – Intellectual Property - Failure Analysis – Fire Cause & Origin – Component Testing - Computer Aided Drafting – Accident Animation - Expert Witness & Litigation Support

www.ExpertEngineering.com

Tim Keane is recognized nationally and internationally as a Leading Expert on methods to Control, Mitigate and Assess the Risk for Legionella in building and industrial water systems. He has published articles and books on the subject and has co-written regulatory documents including the 2018 and the 2015 ASHRAE Standard titled: Legionellosis: Risk Management for Building Water Systems,  ASHRAE Guideline 12 titled: Managing the Risk of Legionellosis Associated with Building Water Systems, 2005 Guidelines for Ornamental Fountains and the 2000 ASHE Advisory. Mr Keane has over 25 years experience in water system consulting and over 10 years experience in facility design, construction and operation. Legionella Risk Management, Inc. provides consulting services for Effective Engineering Solutions to Engineering System Pathogens including; outbreak investigation, root cause analysis, control and remediation of legionella from water systems in commercial buildings, healthcare and industrial facilities.   We provide Litigation Support in this area.

Joseph A. LaRovere, CEM, has over 35 years of experience as a contractor, owner/operator, technician, and consultant to the construction industry with specialties in HVAC, Mechanical, Electrical, Plumbing, Energy Management and Control Systems. He works with clients that are experiencing operational issues, difficulty finding the right team members, need help with business processes, or just need an objective executive coach to help them get to the next level.

Business Consulting Services:

• HVAC Systems, air conditioning, heat pumps, chiller plants, heating hot water, boilers, air handlers, water source heat pumps, cooling towers, dedicated outside air, ventilation, and exhaust systems
• Energy management and control system, sequence of operation, energy management and building efficiency
• Domestic hot water systems, electric and gas boilers and water heaters, mixing valves and hot water recirculation systems
• System failures, equipment failures, maintenance issues, preventative maintenance, water treatment, forensic investigation, and remediation
• Project Management, Program Management, Project Accounting, and Scheduling consulting and analysis
• Contractor Evaluation, Contract Review, Contractor Standard of Care, Engineering Evaluation, Site Inspections, and Retro commissioning

Certifications:

• C.E.M. - Certified Energy Manager
• Honeywell Tridium Niagara AX
• Honeywell Tridium Niagara 4
• Johnson Controls Facility Explorer

View Joseph LaRovere's Expert Witness Profile.

Indian River Construction Services, Inc., offers many services to Home Owners, Home Owner Associations, Property Managers, and Building Owners. The most licensed construction firm in the state of Florida, they consult on project and building plans to help determine suitability, feasibility and cost controls for:

New Construction - Construction Repairs - Construction Additions - Construction Remodeling - Real Estate Improvements

Indian River Construction also has extensive experience in performing Insurance Adjusting Services as Florida Licensed Public Insurance Adjusters. This means they work for you and not for the insurance company, allowing them to get the best possible insurance settlement from insurance claims, whether that be a fire, flood, or hurricane. 

Andrew Allocco, PE, Principal at Indian River Construction Services is a leading Construction Consultant, Florida Licensed Public Insurance Adjuster, and Real Estate Broker. With over 45 years of experience in his fields of expertise, Mr. Allocco's services are sought by individuals, corporations, developers, and law firms to oversee and advise on construction projects. He is the current owner of construction, real estate, and engineering consulting firms.

Background Experience - Mr. Allocco is the President of Indian River Construction Services, Inc. Prior to his current role, he served as the President of Better Homes Construction Services, Inc. of Miami, Florida, which performed in excess of 40,000 Building Inspections. A Forensic Consulting Engineer, he inspects Commercial, Residential, and Industrial Facilities before, during, and after construction. He assists property owners with complex insurance claims, some of which involve significant and lengthy litigation

Mr. Allocco is not only licensed in the State of Florida as a Professional Engineer and Licensed Public Insurance Adjuster, he holds more licenses both presently active and past than any other individual in the State, including:

View Andrew Allocco's Expert Witness Profile.

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:

• Project Controls and Risk Management
• Process Improvement of Capital Projects
• Profitability Improvement and Construction Analytics
• Process Improvement for Factory Built Housing
• Capital Rehabilitation Planning
• Strategic planning and decision-making for resolving project complexities
• Planning for Disaster Mitigation, Resilience, and Capacity Building

Dr. Hastak has been involved with the construction industry for the past 35 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, project 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 50 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 is the current President of CIB (International Council for Research and Innovation in Building and Construction), He is also the academic Advisor to the Downstream and Chemicals Committee of the Construction Industry Institute (CII) and serves as the Chair of the Advisory Board of the Global Leadership Forum for Construction Engineering and Management programs (GLF-CEM). He 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.

Roger W. Griffith, PE, has over 37 years of professional experience as a Mechanical Engineer in the design, maintenance, and operation of mechanical systems. He specializes in the areas of Plumbing, HVAC, and Fire Sprinkler Systems Design.

Background - As the principal of Griffith Engineering & Consulting for 23 years, his design experience with commercial and industrial projects include convention centers, schools, office buildings, condominiums, apartment buildings, hotels, churches, manufacturing facilities, medical buildings, restaurants, historic buildings, dormitories, fire halls, and maintenance facilities. Prior to that, Mr. Griffith worked at the Tennessee Valley Authority (TVA) as a mechanical engineer for 14 years. 

His roles at TVA included nuclear piping analyst, valve and heat exchanger specialist, maintenance engineer, and later maintenance supervisor at a fossil plant, and quality manager. His engineering roles included failure analysis of plant equipment. He also taught many courses on the subject of problem-solving and failure analysis for company employees.

Consulting Services:

View Roger W. Griffith's Expert Witness Profile.

Expanded Resources LLC is a construction management consulting firm serving the legal and construction industries.

Expert Witness Services

At Expanded Resources, we bridge the gap between construction complexity and clarity. With decades of boots-on-the-ground experience—and a teaching background —we know how to translate multifaceted issues into easily understandable narratives. You’re not just getting an expert. You’re gaining a guide who understands and explains complex construction matters with clarity and conviction.

Construction Management Consulting

We help organizations manage their construction portfolios, programs, and projects more efficiently.

We start by listening. Through targeted interviews, surveys, and meetings with stakeholders at every level—from senior leadership to field staff—we uncover how your teams really operate.

We dig into your systems, documents, and workflows to pinpoint gaps, bottlenecks, and inconsistencies. Whether it’s outdated software, mismatched forms, or policies no one follows, we find what’s not working—and why.

Next, we deliver a clear roadmap tailored to your organization. Think of it as an operating manual, grounded in contract compliance and practical experience. 

Implementation isn’t left to chance. We build your team's capability through guided training, toolkits, and change support. Whether onboarding new project managers or retooling seasoned teams, we help embed the right habits across your organization.

Kiwesa King, PE, CCM, DBIA, PMP, is a Licensed Professional Engineer and a Certified Construction Manager and Trainer.

Ms. King has managed restoration, renovation, and ground-up construction projects as a designer, subcontractor, general contractor, and construction manager. She teaches graduate and continuing education courses in Construction Management at Fordham University and New York University.

Degrees and Certifications:

• New York State Licensed Professional Engineer
• Bachelor of Science and Master of Science in Mechanical Engineering
• Certificate of Competence- Master Fire Suppression Contractor - New York City Department of Buildings (NYCDOB)
• Site Safety Manager: NYCDOB
• Certified Construction Manager: Construction Management Association of America
• Designated Design-Build Professional:  Design-Build Institute of America
• Project Management Professional: PMI

View Kiwesa King's Expert Witness Profile.

• Over 35 years of experience in Mechanical / Structural Engineering & Design, Failure Analysis, Product Liability, Industural Asbestos,Pressure Vessel & Boiler analysis and evaluation of mechanical and structural components.
• Extensive trial experience. Has been involved in multi-million dollar cases. Areas involved included:

  
  

  - Piping & pipe supports - Structural failure of products - Failure analysis - Industrial asbestos - Seismic analysis - Fire protection - Pressure vessels

  - Tanks - Construction - Heat transfer analysis - Environmental qualification of equipment - Welding - Product design - Patent information

• Expertise in developing litigation rate-case exhibits and detailed supporting testimony, and in organizing case documentation into easy-to-use computer databases for trial use.

Dmorris.consulting Freelance Consulting provides Corporate services to the Construction industry. Principal, David Morris, has over 30 years of deep understanding and hands on experience of Construction and Construction Processes that give him a unique perspective in the industry.

Select Background Experience:

• Prior to founding DMorris.consulting, Mr. Morris served as Director of Virtual Construction for EMCOR Construction Services from 2008-2016. In this role, he directed the virtual construction activities and operations of 82 EMCOR companies. His scope of work included drafting contract language for BIM and pre-construction, setting up new projects in lean and BIM delivery methods, and reviewing new construction technologies among other duties.
• From 2001-2008, Mr. Morris worked with University Mechanical and Engineering Contractors as Director of Virtual Construction. He was responsible for estimating Plumbing, HVAC Piping and Process Piping for numerous research laboratories and healthcare facilities valued at over 100mm + each. He also delivered conceptual estimates for numerous Biotech, Power, and Co-Generation plants.
• Select Project Participation: San Joaquin County Hospital, City of Gilroy Waste Water Reclamation Plant, Shafter Prison, Vandenberg Air Force Base HVAC Replacement, Space Shuttle Launch Complex Project, Tehachapi State Prison Level-4 High Security Prison Housing, Cal Poly San Luis Obispo Co-Gen Facility, Kern Medical Center New Hospital Wing Expansion, Anheuser Busch Yeast Plant Expansion, and multiple Piping, Petrochemical, Hospital, and School projects.

Business Consulting Services:

*This Mechanical, Electrical, Plumbing, and Fire Protection Systems (MEP) Spatial Coordination Requirements for Construction Installation Models and Deliverables is a derivative work of a best practice guideline written by David Morris in 2003 and modified for the AGC BIMForum in 2009. It is the result of capturing ten years of practical methods on real world construction projects and reflects continual feedback and improvement gained from that process.

View David Morris' Expert Witness Profile.

DM Bekus Construction is a New Jersey Home Design, Construction, and Remodeling Contractor. For over 30 years they've been helping homeowners throughout the area improve properties and build homes. DM Bekus Construction delivers high quality, reliable construction services that help homeowners get more pleasure and enjoyment from their homes and buildings.

Services Include:

Principal, David M. Bekus has over 35 years in the Construction Industry specializing in home design, construction, and remodeling. He offers services to homeowner associations, housing communities, townhome complexes, property managers, and individuals. Mr. Bekus is licensed by the State of New Jersey as a building inspector (RCS, ICS, and HHS), a licensed home remodeler, and a licensed new home builder. He is also certified in Project Management, Cost Estimating, Construction Methods, Construction Site Safety, and is a EPA Lead Safe Certified Contractor. Mr. Bekus has been a project manager, overseeing all aspects of construction from conception and approvals to final sales for single homes and developments. He has designed and built over 100 custom homes.

View David Bekus' Expert Witness Profile.

Complete General Contractors, Inc., is a licensed General Contracting Construction Firm working throughout the Southeast for insurance companies, property owners, property managers, attorneys, and municipalities. They specialize in the cost estimation and causation of large loss complex property claims.

Services Include:

• Appraisal and Mediation Services - Fire, wind, flood, storm, hail, and water losses to residential, commercial, or industrial properties
• General Contracting Services - Restoration or general construction, commercial construction, or industrial construction projects all over the United States. Manage vendors and trades, handle project documents, and serve as an authority for project information to all parties throughout the construction process

John G. Minor, President of Complete General Contractors, is a third-generation Contractor and licensed instructor certified by the North Carolina Department of Insurance. He is a recognized expert on the costs and applications necessary to repair buildings damaged by manufacturer, builder liability, water damage or intrusion, mold, or asbestos.

Mr. Minor has provided for the successful restoration of millions of dollars in insurance restoration, building failures, and difficult repairs originating from defective construction practices and materials such as fire, wind, water, mold and mildew. His services were in demand for restoration on custom buildings on Bald Head Island. In addition to managing the business of Complete, Inc., John Minor teaches classes on mold and mildew remediation and prevention through proper building practices to a variety of clients thru Lorman Educational Services and other professional trainers.

View John Minor's Expert Witness Profile.

CLM Engineering Associates has the ability to provide a vast array of services to real estate brokers, developers, home purchases/owners. President of the firm, Craig L. Moskowitz, PE, is a Civil Engineer with extensive Construction Management experience on both commercial and residential projects. His firm handles commercial and residential building inspections as it pertains to warranty and pre-purchase inspections as well as to handle specific Structural or Civil Engineering issues related to a property. 

Experience: Mr. Moskowitz has performed safety inspections on both civilian and military projects through the application of OSHA regulations. He has designed drainage systems for the government while an officer with the United States military and done cost estimating for various projects exceeding $500 million. 

Mr. Moskowitz has designed document creation and management of high-rise construction in Manhattan. He has managed telecommunications projects for Verizon in Manhattan including CPM schedule creation and updating and directed and managed all water distribution system and sewer system work while working as a contractor to the New York City Department of Design and Construction. CLM are specialists in the following areas:

• Traditional Commercial and Residential Building Inspections
• Storm Damage Assessment, Analysis and Reporting
• Comprehensive Construction Management
• Cost Estimating for Projects Ranging from $50,000 to in Excess of $1 billion
• Construction Scheduling and Delay Analysis
• Building Code and Drawing Review

View Craig Moskowitz's Expert Witness Profile.

CivTek International is an Infrastructure Solutions, Program Management and Multi-Disciplined Life-Cycle Integrator. CivTek focuses on core industries and infrastructure fundamental to the economic and physical health and well-being of all societies: Energy, Water, Air, Agriculture, Transportation, Waste Management, Telecommunications, Internet, and Ancillary Technologies necessary to more efficiently deliver and operate these industries in an environmentally friendly, safe and profitable manner.

CivTek International now has roughly $50 billion in pre-feasibility studies in estimated capital costs projects as a result of national and international relationships and exclusive agreements CivTek International holds in various infrastructure and transportation technologies. They have signed 50-year Build-Operate-Transfer (BOT) Agreements with national governments of emerging economies.

CivTek International provides expert assessment, advice, guidance, opinion, contracting, construction support, program management and design services to leaders in government, industry and the legal community. They address major challenges in complex cultural settings, environmental, economic, legislative or forensic consequence in programs and projects relating to capital infrastructure in transportation, green sustainable environmental solutions, energy, oil & gas, and industrial facilities.

Clients have included Leadership of Domestic and International Industry, CEO's and Corporate Leadership, Banks, Financial Institutions and Investors, Risk Management and Insurance Industry Leaders, Attorneys, Legislators, Heads of State, and Heads of Departments and Ministries.

CivTek Capabilities:

Principal, Thomas J. Young, PE, has over 37 years of experience in national and international Transportation Construction, the Civil Engineering specialty regarding highways, bridges, rail, airports, harbors, and associated infrastructure.

Mr. Young is a skilled integrator of the parameters of program and project life cycles, leadership, management, business operations, engineering and construction. He has extensive knowledge of regulatory compliance, environmental processes, industry standards, best practices, and field operations in urban and remote areas.

Mr. Young has broad construction management and design background for many of the knowledge and skill areas required in mining operations, bridges, highways, land development, major soil/structure type facilities, land survey, and construction surveying, including work in Arctic facilities and in desert regions.

View Thomas J. Young's Expert Witness Profile.

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.

Certifications and Designations:

• Registered as a Professional Mechanical Engineer in the States of Arizona, California, Colorado, Illinois, Iowa, Nevada, New Hampshire, New Mexico, Oregon, Texas, Utah and Washington.
• Registered with the National Council of Examiners for Engineering and Surveying NCEES (Certificate No. 6999)
• Fellow in the HVAC industry leading organization ASHRAE
• Visiting lecturer at the Arizona State University Del E. Webb School of Construction in Tempe, AZ
• Advisor to CREATE, ACE – Alliance for Construction Excellence and the IAB – Industry Advisory Board, all affiliated with ASU

Building Systems Analysis:

Litigation Support: 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.

• Forensic Analysis
• Strategic Litigation Consulting
• Trial Demonstratives
• Expert Testimony

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:

• Project Design and Management Consulting
• Forensic Analysis and Litigation Consulting
• Mentoring & Advanced Education