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Drebelbis Engineering
Dallas, Texas
2909 Cole Avenue, Suite 100, 75204-1304


Contact:  James R. Drebelbis
www.drebelbisengineering.com
214-468-8118 Or Toll Free
jim@drebelbisengineering.com
2909 Cole Avenue, Suite 100
Dallas, Texas 75204-1304

Contact:  James R. Drebelbis
www.drebelbisengineering.com
214-468-8118
jim@drebelbisengineering.com
Disputes about construction performance often emphasize the obvious (leaks, cracks, collapses). Although symptoms define the damage models, technology and design/construction process define the legal issues. Our combined background in architecture, engineering and business makes Drebelbis Engineering uniquely qualified to address these complexities found in forensic engineering assignments. Our areas of specialty include: structural engineering, building technology, construction, project management, building codes, foundations, soil mechanics, retaining structures, water intrusion, moisture related problems, cause and origin of structural failures, professional ethics, building specifications, contract documents, performance of building systems (e.g., roofs, floors, moisture barriers, windows, doors), fire and weather related damage, deterioration due to insects and moisture, corrective construction, slip/ trip and fall. Drebelbis Engineering's services include: engineering investigation, documentation, testimony, and preparation of Certificates of Merit.
Information:  
Architecture,  Building Code Compliance,  Construction Defects,  Engineering,  Mold and Moisture,  Structural Engineering, 


Disputes about construction performance often emphasize the obvious (leaks, cracks, collapses). Although symptoms define the damage models, technology and design/construction process define the legal issues. Our combined background in architecture, engineering and business makes Drebelbis Engineering uniquely qualified to address these complexities found in forensic engineering assignments. Our areas of specialty include: structural engineering, building technology, construction, project management, building codes, foundations, soil mechanics, retaining structures, water intrusion, moisture related problems, cause and origin of structural failures, professional ethics, building specifications, contract documents, performance of building systems (e.g., roofs, floors, moisture barriers, windows, doors), fire and weather related damage, deterioration due to insects and moisture, corrective construction, slip/ trip and fall. Drebelbis Engineering's services include: engineering investigation, documentation, testimony, and preparation of Certificates of Merit.

PEG, Inc. Experts Professional Engineering Group
Birmingham, Alabama
950 22nd Street North, Suite 632, 35203


Contact:  Lamar T. Hawkins, J.D., P.E.
peginc.biz
205-458-8516 Or Toll Free
lthpc@aol.com
Experts Professional Engineering Group
950 22nd Street North, Suite 632
Birmingham, Alabama 35203

Contact:  Lamar T. Hawkins, J.D., P.E.
peginc.biz
205-458-8516
lthpc@aol.com
"Free telephone conference call about your case." ---------- Serving the Southeast Region.
Information:  
Accident Reconstruction,  Building Code Compliance,  Civil Construction and Engineering,  Civil Engineering,  Concrete and Masonry,  Construction Accidents,  Construction Safety,  Cooling Towers,  Electrical Engineering,  Fall Protection,  Mechanical Engineering,  Metallurgy,  Motor Vehicles,  OSHA,  Paint and Coatings,  Premises Liability,  Safety,  Safety Engineering,  Slip, Trip, and Fall,  Structural Engineering,  Trucking, 


"Free telephone conference call about your case." ---------- Serving the Southeast Region.

Safety Through Engineering, Inc.
New Carlisle, Ohio
9363 Detrick Jordan Pike, 45344


Contact:  Michael C. Wright, MSCE, PE, CSP, CPE, President
www.ste4u.com
937-964-1900 Or Toll Free
mikewright@ste4u.com
9363 Detrick Jordan Pike
New Carlisle, Ohio 45344

Contact:  Michael C. Wright, MSCE, PE, CSP, CPE, President
www.ste4u.com
937-964-1900
mikewright@ste4u.com
Information:  
Amusement Parks,  ANSI Standards,  Code Compliance,  Confined Space,  Construction Accidents,  Construction Defects,  Construction Safety,  Cranes,  Engineering,  Failure Analysis,  Fall Protection,  Job Safety Analysis,  Machine Safety,  OSHA,  Product Liability,  Safety,  Safety Audit,  Safety Engineering,  Slip, Trip, and Fall,  Structural Engineering,  Structural Failure,  Training Programs,  Wrongful Death, 



Vincent Ettari PEPC
Shrub Oak, New York
1065 Spillway Road, 10588


Contact:  Vincent Ettari PEPC
www.ettari.com
914-245-6320 Or Toll Free
ettari@ettari.com
1065 Spillway Road
Shrub Oak, New York 10588

Contact:  Vincent Ettari PEPC
www.ettari.com
914-245-6320
ettari@ettari.com
Vincent A. Ettari, P.E., P.C. serves New York City & the counties of Westchester, Dutchess, Putnam, Orange, Rockland, Ulster, Suffolk (Long Island), Nassau, Bronx (N.Y.), Queens, Brooklyn / Kings County, Manhattan / NY and Staten Island / Richmond. As a NY Authorized Firm (NYS Department of Education) which offers services in all of the boroughs of N.Y.C. (including the Borough of Manhattan), our engineers can provide all the individual attention and professional expertise your project requires. This firm specializes in many fields of Civil, Structural, Coastal, Safety, Environmental, Site, and Forensic Engineering
Information:  
Building Code Compliance,  Construction Claims,  Environmental Engineering,  Parking Lots,  Parking Lots,  Sewer,  Slip, Trip, and Fall,  Structural Engineering,  Structural Failure,  Water and Flood Damage, 


Vincent A. Ettari, P.E., P.C. serves New York City & the counties of Westchester, Dutchess, Putnam, Orange, Rockland, Ulster, Suffolk (Long Island), Nassau, Bronx (N.Y.), Queens, Brooklyn / Kings County, Manhattan / NY and Staten Island / Richmond. As a NY Authorized Firm (NYS Department of Education) which offers services in all of the boroughs of N.Y.C. (including the Borough of Manhattan), our engineers can provide all the individual attention and professional expertise your project requires. This firm specializes in many fields of Civil, Structural, Coastal, Safety, Environmental, Site, and Forensic Engineering

WDP & Associates Consulting Engineers, Inc.
Murrells Inlet, South Carolina
4842 Hwy. 17 Business, 29576


Contact:  Leyla Y. Scott
www.wdpa.com
843-299-2247 Or Toll Free
LScott@WDPa.com
4842 Hwy. 17 Business
Murrells Inlet, South Carolina 29576

Contact:  Leyla Y. Scott
www.wdpa.com
843-299-2247
LScott@WDPa.com
WDP & Associates provides forensic engineering, expert witness, and litigation support services for structural system failures, building envelope performance failures, geotechnical-related issues and construction disputes. We have been engaged for both plaintiffs and defendants on cases and projects located throughout the U.S
WDP & Associates' qualified experts are recognized for applying a high level of analytics as a result of their specialized advanced engineering education, deep engagement in Industry Codes and Standards development, and extensive prior experience. We are regarded as objective, thorough, and capable of communicating complex issues in simplified terms. Founded in 1995 with offices in Virginia, South Carolina, and New York, WDP & Associates understands the importance of mobilizing a team quickly to gather time-sensitive forensic data. To aid in our investigations, we maintain specialized equipment that is calibrated in our accredited in-house laboratory. CAD is often used to illustrate and animate mechanisms of failure for explanation to clients and for exhibits for mediation, arbitration, or trials.
Information:  
Architecture,  Building Code Compliance,  Civil Construction and Engineering,  Concrete and Masonry,  Construction Defects,  Forensic Engineering,  Structural Engineering, 


WDP & Associates provides forensic engineering, expert witness, and litigation support services for structural system failures, building envelope performance failures, geotechnical-related issues and construction disputes. We have been engaged for both plaintiffs and defendants on cases and projects located throughout the U.S
WDP & Associates' qualified experts are recognized for applying a high level of analytics as a result of their specialized advanced engineering education, deep engagement in Industry Codes and Standards development, and extensive prior experience. We are regarded as objective, thorough, and capable of communicating complex issues in simplified terms. Founded in 1995 with offices in Virginia, South Carolina, and New York, WDP & Associates understands the importance of mobilizing a team quickly to gather time-sensitive forensic data. To aid in our investigations, we maintain specialized equipment that is calibrated in our accredited in-house laboratory. CAD is often used to illustrate and animate mechanisms of failure for explanation to clients and for exhibits for mediation, arbitration, or trials.

Garrett Forensics
Long Beach, California
4201 Long Beach Blvd, Ste 220, 90807


Contact:  Robert Dean
www.garrett-engineers.com
562-997-3013 Or Toll Free 800-229-3647
assignments@garrett-engineers.com
4201 Long Beach Blvd, Ste 220
Long Beach, California 90807

Contact:  Robert Dean
www.garrett-engineers.com
562-997-3013 Or Toll Free 800-229-3647
assignments@garrett-engineers.com
For over 49 years, Garretts’ team of experts have successfully provided, and continue to provide, superior forensic investigations and analysis for our clients. We have connected our clients with experts in a variety of different scientific disciplines and pride ourselves on offering independent and objective analysis which may be utilized by our clients to help settle claims, disputes, and/or prevail in litigated matters requiring expert witness testimony.
Whether you need a professional engineer (P.E.), accident reconstructionist, and/or a cause and origin expert, you can always find the right specialist at Garrett. Our experts can provide you with a reliable analysis to better understand the scientific and/or technical issues affecting your matter. Their investigation, analysis, and, if needed, testimony can give you the confidence of knowing exactly what happened and how to help you effectively resolve any possible disputes over the incident.

Whether your problem is simple, complex or somewhere in between, our experts can help.
Information:  
Accident Analysis,  Accident Investigations,  Accident Reconstruction,  Automobile Accidents,  Automotive,  Biomechanics,  Civil Engineering,  Code Compliance,  Construction Claims,  Construction Defects,  Cranes,  Earthquake Damage,  Electrical Engineering,  Fire and Explosions,  Fire Forensics,  Fire Origin and Cause,  Firearms Safety,  Forensic Accounting,  Geotechnical Engineering,  Manufacturing Accidents,  Mechanical Engineering,  Metallurgy,  Premises Liability,  Product Liability,  Slip, Trip, and Fall,  Structural Engineering,  Toxicology,  Traffic Engineering,  Transportation,  Workplace Injury, 


For over 49 years, Garretts’ team of experts have successfully provided, and continue to provide, superior forensic investigations and analysis for our clients. We have connected our clients with experts in a variety of different scientific disciplines and pride ourselves on offering independent and objective analysis which may be utilized by our clients to help settle claims, disputes, and/or prevail in litigated matters requiring expert witness testimony.
Whether you need a professional engineer (P.E.), accident reconstructionist, and/or a cause and origin expert, you can always find the right specialist at Garrett. Our experts can provide you with a reliable analysis to better understand the scientific and/or technical issues affecting your matter. Their investigation, analysis, and, if needed, testimony can give you the confidence of knowing exactly what happened and how to help you effectively resolve any possible disputes over the incident.

Whether your problem is simple, complex or somewhere in between, our experts can help.

Josephson Werdowatz & Associates, Inc.
San Diego, California
6370 Lusk Blvd., Suite F200, 92121-2753


Contact:  Carl Josephson
www.jwa-se.com
858-558-2181 Or Toll Free
cjosephson@jwa-se.com
6370 Lusk Blvd., Suite F200
San Diego, California 92121-2753

Contact:  Carl Josephson
www.jwa-se.com
858-558-2181
cjosephson@jwa-se.com
Josephson-Werdowatz & Associates (JWA), founded in 1988 and with licenses in twenty-three states, has provided Structural Design and Construction Defect investigations/evaluations across the United States from Connecticut to Hawaii.

JWA Services:

• Structural Engineering Services - JWA offers full structural engineering services for the design of commercial, institutional, industrial, and residential projects.

• Investigation Services - In addition to traditional design services, JWA has conducted structural investigations on literally thousands of buildings throughout the United States. Their investigations have been conducted for insurance adjusters, property managers, homeowner associations, developers, and building owners, to name a few.

• Graphics / Multimedia Services - JWA incorporates a variety of graphics tools to best meet their clients’ needs including inventive multimedia presentations, 2D and 3D stills, animations, physical models, and computer models to simplify complex concepts.

Principals, Carl H. Josephson PE, SE and Dan R. Werdowatz PE, SE have over 39 years and 34 years of Structural Engineering experience respectively. They are active in numerous professional organizations and Mr. Josephson has served as the Structural Engineer member of the California Board for Professional Engineers, Land Surveyors, and Geologists. Mr. Josephson, Mr. Werdowatz and their team provide special studies, investigations, code review and analysis, and have conducted structural investigations on 1,000s of buildings throughout the United States for a diverse group of clients.

Main Office: San Diego, CA. Satellite Offices: Sacramento, CA; Las Vegas, NV; Scottsdale, AZ
Information:  
Construction Defects,  Earthquake Damage,  Forensic Engineering,  Structural Engineering,  Structural Failure, 


Josephson-Werdowatz & Associates (JWA), founded in 1988 and with licenses in twenty-three states, has provided Structural Design and Construction Defect investigations/evaluations across the United States from Connecticut to Hawaii.

JWA Services:

• Structural Engineering Services - JWA offers full structural engineering services for the design of commercial, institutional, industrial, and residential projects.

• Investigation Services - In addition to traditional design services, JWA has conducted structural investigations on literally thousands of buildings throughout the United States. Their investigations have been conducted for insurance adjusters, property managers, homeowner associations, developers, and building owners, to name a few.

• Graphics / Multimedia Services - JWA incorporates a variety of graphics tools to best meet their clients’ needs including inventive multimedia presentations, 2D and 3D stills, animations, physical models, and computer models to simplify complex concepts.

Principals, Carl H. Josephson PE, SE and Dan R. Werdowatz PE, SE have over 39 years and 34 years of Structural Engineering experience respectively. They are active in numerous professional organizations and Mr. Josephson has served as the Structural Engineer member of the California Board for Professional Engineers, Land Surveyors, and Geologists. Mr. Josephson, Mr. Werdowatz and their team provide special studies, investigations, code review and analysis, and have conducted structural investigations on 1,000s of buildings throughout the United States for a diverse group of clients.

Main Office: San Diego, CA. Satellite Offices: Sacramento, CA; Las Vegas, NV; Scottsdale, AZ

Reedy Engineering, Inc.
Campbell, California
3425 South Bascom Ave., Suite E, 95008


Contact:  Roger F. Reedy, PE
http://www.reedyeng.com/
408-558-0330 Or Toll Free
ras@reedyeng.com
3425 South Bascom Ave., Suite E
Campbell, California 95008

Contact:  Roger F. Reedy, PE
http://www.reedyeng.com/
408-558-0330
ras@reedyeng.com
Roger F. Reedy has extensive experience working on the design and construction of pressure vessels, piping, and nuclear power components. His experience includes design, analysis, fabrication, and erection of pressure vessels and piping components for petroleum, chemical, nuclear, fossil fuel, and other industries, including development and implementation of applicable quality systems. His background encompasses nuclear reactors and containment vessels, as well as pressure vessels and storage tanks for petroleum, chemical, and other energy industries. Mr. Reedy is an acknowledged expert in the construction of pressure vessels and nuclear components, including nuclear waste transportation casks and storage canisters, meeting the requirements of the ASME Boiler and Pressure Vessel Code, Section III, Divisions 1, 2 and 3, Section VIII, Divisions 1 and 2, and Sections I, II, V, IX, and XI, and piping to the requirements of ASME B31.1 and B31.3. He is also an expert in implementation of practical quality programs for designers, fabricators, installers, and owners of industrial equipment and plants.
Information:  
Engineering,  Mechanical Engineering,  Metallurgy,  Pipeline Pressure Vessels Failure,  Structural Engineering, 


Roger F. Reedy has extensive experience working on the design and construction of pressure vessels, piping, and nuclear power components. His experience includes design, analysis, fabrication, and erection of pressure vessels and piping components for petroleum, chemical, nuclear, fossil fuel, and other industries, including development and implementation of applicable quality systems. His background encompasses nuclear reactors and containment vessels, as well as pressure vessels and storage tanks for petroleum, chemical, and other energy industries. Mr. Reedy is an acknowledged expert in the construction of pressure vessels and nuclear components, including nuclear waste transportation casks and storage canisters, meeting the requirements of the ASME Boiler and Pressure Vessel Code, Section III, Divisions 1, 2 and 3, Section VIII, Divisions 1 and 2, and Sections I, II, V, IX, and XI, and piping to the requirements of ASME B31.1 and B31.3. He is also an expert in implementation of practical quality programs for designers, fabricators, installers, and owners of industrial equipment and plants.

Briggs Engineering
Garden City, Idaho
5999 West State Street Suite A, 83703


Contact:  Dean W. Briggs
www.briggs-engineering.com
208-344-9700 Or Toll Free
dean@briggs-engineering.com
5999 West State Street Suite A
Garden City, Idaho 83703

Contact:  Dean W. Briggs
www.briggs-engineering.com
208-344-9700
dean@briggs-engineering.com
Structural and civil engineering experts provide litigation support in: land-use planning (feasibility studies, environmental assessments, rezones); civil engineering (erosion/sediment control, irrigation design, street design); structural concrete, mason.
Information:  
Civil Engineering,  Land Surveyor,  Structural Engineering, 


Structural and civil engineering experts provide litigation support in: land-use planning (feasibility studies, environmental assessments, rezones); civil engineering (erosion/sediment control, irrigation design, street design); structural concrete, mason.

Robertson Engineering Investigations LLC
Mesilla Park, New Mexico
P.O. Box 820, 88047


Contact:  Cale Robertson, MSME, PE, CFI-IAAI, ACTAR
http://www.reifire.net
575-644-9595 Or Toll Free
rei@reifire.net
P.O. Box 820
Mesilla Park, New Mexico 88047

Contact:  Cale Robertson, MSME, PE, CFI-IAAI, ACTAR
http://www.reifire.net
575-644-9595
rei@reifire.net
Robertson Engineering Investigations, LLC (REI) is a private forensic engineering firm that provides forensic engineering services to both the insurance and legal communities. REI experts are court qualified Licensed Professional Engineers with extensive training, experience and certifications related to fire investigation, fire science, accident investigation and reconstruction, and general product failure analysis. REI investigators hold the distinguished Certified Fire Investigator (CFI-IAAI) certification and are also certified accident reconstructionists through the Accreditation Commission for Traffic Accident Reconstruction (ACTAR). REI is dedicated to providing accurate, complete and timely investigations that are based on scientific principles. Identifying the root origin and cause of incidents, which have significant cost in terms of either pain and suffering or monetary loss, is the only way for society to correct, improve and/or remove defective products from harms way. This is why REI is dedicated to identifying the facts and the root cause of such incidents and will not become an advocate for one party or another. REI Location Google Maps Zoomed Out REI's regular service areas include New Mexico, Texas and Arizona, including Albuquerque, Santa Fe, Las Cruces, El Paso, Dallas, Phoenix, and Tucson. REI staff are fluent in Spanish.
Information:  
Accident Investigations,  Accident Reconstruction,  Commercial Vehicle Accident Reconstruction,  Construction Accidents,  Construction Claims,  Construction Defects,  Electrical Engineering,  Engineering,  Failure Analysis,  Fire and Explosions,  Fire Origin and Cause,  Fire Protection Investigations,  Forensic,  Forensic Engineering,  Hail Damages,  Lab Testing and Analysis,  Mechanical Engineering,  Motorcycle Accident Reconstruction,  Product Failure,  Reconstruction,  Roofing,  Roofing and Waterproofing,  Slip, Trip, and Fall,  Structural Engineering,  Structural Failure,  Stucco, 


Robertson Engineering Investigations, LLC (REI) is a private forensic engineering firm that provides forensic engineering services to both the insurance and legal communities. REI experts are court qualified Licensed Professional Engineers with extensive training, experience and certifications related to fire investigation, fire science, accident investigation and reconstruction, and general product failure analysis. REI investigators hold the distinguished Certified Fire Investigator (CFI-IAAI) certification and are also certified accident reconstructionists through the Accreditation Commission for Traffic Accident Reconstruction (ACTAR). REI is dedicated to providing accurate, complete and timely investigations that are based on scientific principles. Identifying the root origin and cause of incidents, which have significant cost in terms of either pain and suffering or monetary loss, is the only way for society to correct, improve and/or remove defective products from harms way. This is why REI is dedicated to identifying the facts and the root cause of such incidents and will not become an advocate for one party or another. REI Location Google Maps Zoomed Out REI's regular service areas include New Mexico, Texas and Arizona, including Albuquerque, Santa Fe, Las Cruces, El Paso, Dallas, Phoenix, and Tucson. REI staff are fluent in Spanish.

Engineering Associate Services
Wakefield, Rhode Island
58 Briarwood Drive, 02879


Contact:  Michael B. Plunkett, PE
www.engineeringassociateservices.com
401-935-6557 Or Toll Free
mikeb.plunkett@gmail.com
58 Briarwood Drive
Wakefield, Rhode Island 02879

Contact:  Michael B. Plunkett, PE
www.engineeringassociateservices.com
401-935-6557
mikeb.plunkett@gmail.com
Offices in Rhode Island & Florida

Michael B. Plunkett, PE has been performing engineering consultant and expert witness services for over thirty years. He is recognized as one of the few experts in the Energy Industry. He founded his mechanical/structural engineering consultant firm in 1974. Mr. Plunkett has ongoing consulting activities with most of the major utilities and architectural engineering firms in the United States, including the Nuclear Regulatory Commission (NRC) and the Department of Energy (DOE). During Mr. Plunkett's thirty year career he has been involved in numerous engineering consultant activities within the United States, Europe and Asia. He has extensive experience in nuclear, fossil, waste/water treatment plants. His professional experience entails performing design reviews, safety and hazard analysis, engineering risk assessments, inspections, auditing, failure analysis as well as rate case reviews and expert witness testimony. Mr. Plunkett also has had extensive hands-on working experience in design, analysis, maintenance and field engineering including performance enhancement of piping systems, high energy steam, vacuum air systems for sludge removal, air and vacuum handling systems, buried piping and seismic qualification.

Alternate E-mail: info@engineeringassociateservices.com
Information:  
Building Code Compliance,  Failure Analysis,  Mechanical Engineering,  Pipeline Pressure Vessels Failure,  Structural Engineering, 


Offices in Rhode Island & Florida

Michael B. Plunkett, PE has been performing engineering consultant and expert witness services for over thirty years. He is recognized as one of the few experts in the Energy Industry. He founded his mechanical/structural engineering consultant firm in 1974. Mr. Plunkett has ongoing consulting activities with most of the major utilities and architectural engineering firms in the United States, including the Nuclear Regulatory Commission (NRC) and the Department of Energy (DOE). During Mr. Plunkett's thirty year career he has been involved in numerous engineering consultant activities within the United States, Europe and Asia. He has extensive experience in nuclear, fossil, waste/water treatment plants. His professional experience entails performing design reviews, safety and hazard analysis, engineering risk assessments, inspections, auditing, failure analysis as well as rate case reviews and expert witness testimony. Mr. Plunkett also has had extensive hands-on working experience in design, analysis, maintenance and field engineering including performance enhancement of piping systems, high energy steam, vacuum air systems for sludge removal, air and vacuum handling systems, buried piping and seismic qualification.

Alternate E-mail: info@engineeringassociateservices.com

Dexter Varnell, PE, MBA
Southaven, Mississippi
P.O. Box 1470, 38671


Contact:  Dexter Varnell, PE, MBA
http://dextervarnell.com
901-753-7677 Or Toll Free
dvarnell@dextervarnell.com
P.O. Box 1470
Southaven, Mississippi 38671

Contact:  Dexter Varnell, PE, MBA
http://dextervarnell.com
901-753-7677
dvarnell@dextervarnell.com
Serve as expert witness and arbitrator in construction related disputes. Perform pre-purchase inspections and write reports on residential and light commercial buildings. Prepare construction defects reports for attorneys. Prepare probable cause of damge reports for insurance companies. Prepare building condition surveys for the Anti-Neglect division of the Memphis Fire Department. Provide design and inspection services on building foundations. Perform engineering evaluations and write reports on foundation failures, structural cracks, defective roofing, and other types of building defects. Perform drainage, waterproofing and roof consultation services. Provide structural design services for residential renovation projects. Provide repair plans for failed foundations. Provide designs for segmental block retaining walls.
Information:  
Civil Engineering,  Construction Defects,  Mold and Moisture,  Roofing and Waterproofing,  Seismic Risk Assessment,  Structural Engineering,  Structural Failure, 


Serve as expert witness and arbitrator in construction related disputes. Perform pre-purchase inspections and write reports on residential and light commercial buildings. Prepare construction defects reports for attorneys. Prepare probable cause of damge reports for insurance companies. Prepare building condition surveys for the Anti-Neglect division of the Memphis Fire Department. Provide design and inspection services on building foundations. Perform engineering evaluations and write reports on foundation failures, structural cracks, defective roofing, and other types of building defects. Perform drainage, waterproofing and roof consultation services. Provide structural design services for residential renovation projects. Provide repair plans for failed foundations. Provide designs for segmental block retaining walls.