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Refineries Expert Witnesses

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Randy D. Horsak, PE
Environmental Forensics Expert
PO Box 941735
Houston TX 77094
USA
phone: 281-752-6700
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Randy D. Horsak, PE is a scientist and registered Professional Engineer with more than 40 years of experience in all phases of Environmental Science and Engineering. President of 3TM Consulting, LLC, Mr. Horsak provides consulting in the areas of environmental engineering, geology and hydrogeology, ecology, land use, human and ecological risk assessment, and remediation and decontamination.

Litigation Support - Mr. Horsak supports attorneys for both Plaintiff and Defense. His clients include industrial and commercial companies, attorneys, land owners and realtors, toxicologists and medical doctors, and other consultants.

Environmental Projects Including:
  • Air Pollution
  • Ambient Air Quality Testing
  • Noise
  • Soil and Sediment
  • Groundwater and Surface Water
  • Water Treatment and Purification
  • Contaminated Dust
  • Ecosystems
  • Sites and Facilities
    • Abandoned Sites
    • Hazardous Waste Management Facilities
    • Refineries and Chemical Plants
    • Fossil and Nuclear Power Plants
    • Geothermal Energy Plants
  • Manufacturing and Commercial Facilities
  • Pipelines
  • Power Transmission Lines
  • Oil and Gas Exploration and Production
  • Public and Private Properties
  • View Mr. Horsak's Consulting Profile.
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    Carter B. Conlin
    5583 Beverly Hill St.
    Houston TX 77056-6801
    USA
    phone: 713-782-5466
    fax: 713-782-5467
    Carter B. Conlin, P. E. is a Licensed Professional Chemical Engineer. For the last 22 years, Mr. Conlin has been the president of the Chemical Engineering Consulting Firm, Conlin & Associates, Inc. He has worked to analyze government regulations and devise strategies for compliance. Mr. Conlin has also created a computerized tracking system to assist companies in complying with environmental regulations for production of reformulated and conventional gasoline under the Federal Clean Air Act.

    Service and Areas of Expertise Include:
  • Design Engineering Processes for Refineries and Chemical Plants
  • Refinery and Chemical Plant Operations
  • Computer Blend Gasoline, Diesel and Jet Fuel for Optimum Quality and Cost Effectiveness
  • Engineering Design
  • Provide Expert Testimony in Lawsuits
  • Blending and Trading of Refined Products
  • Trade Petroleum Products
  • Design Computer Programs to Solve Engineering Problems
  • Sell and Dispose of Salvage Cargoes of Petroleum Products
  • Teach Refining Operations at Houston Petroleum Institute
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    D-Care LLC
    Ravi V. Durvasula, MD, Founder
    Suguna Pappu, MD, PhD, Founder
    1111 South Wabash Ave., Unit 2013
    Chicago IL 60605
    USA
    phone: 505-362-0856
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    Ravi Durvasula Infectious Disease Expert PhotoRavi Durvasula, MD, Founder, is a physician, researcher, and leader who strives to improve the health of nations and individual patients. He started his journey in medicine at McGill University School of Medicine in Montreal, Canada. After earning his medical degree, he went to Houston, Texas, to do specialty training in Internal Medicine at Baylor College of Medicine, where he also served as Chief Medical Resident. Next, Dr. Durvasula earned a prestigious appointment with the Yale University School of Medicine, completing sub-specialty training in Infectious Diseases before joining the faculty. During his training at Yale, Dr. Durvasula was associated with the Howard Hughes Medical Institute.

    At Yale, Dr. Durvasula developed internationally acclaimed research programs for controlling infectious diseases. With nearly $9 million in research funding and more than 150 published papers and conference presentations, the Durvasula Lab continues to play a pioneering role in global infectious diseases research and commercialization of new technologies.

    A visionary leader, Dr. Durvasula has served in many senior administrative positions. As medical director at Yale, chief of medicine at the New Mexico VA Health Care System in Albuquerque, NM and his current position as Chairman of Medicine at Loyola University of Chicago Stritch School of Medicine, he directs very large and complex medical operations. He remains an active clinician in the field of infectious diseases and maintains a practice as an expert witness in hospital and community-acquired infectious diseases and internal medicine.

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    Areas of Expertise:
    • Infectious Diseases
    • Internal Medicine
    • Hospital Infections
    • Multi Drug Resistant Infections
    • Infection Control
    • Parasitic Infections
    • International Medicine
  • Infections in Critical Care
  • Device-associated Infections
  • Septic Shock
  • Antibiotic Use
  • Biomedical Research
  • Molecular Biology
  • Intellectual Property


  • Suguna Pappu Neurosurgery Expert PhotoSuguna Pappu, MD, PhD, Founder, began her career at the Massachusetts Institute of Technology (MIT) in Boston, USA, before adding medicine to her expertise. She earned a PhD in Operations Research from MIT’s Sloan School of Management. Dr. Pappu then studied Neural (Brain) Networking approaches and Advanced Image Analysis for medical decision-making at the Yale University School of Medicine Department of Radiology.

    For her groundbreaking work with the Yale University Image Processing and Analysis Group, Dr. Pappu was awarded a National Research Service Award fellowship for medical image analysis. Inspired by her transformative work in health care, Dr. Pappu earned a medical degree and pursued residency training in General Surgery at Yale. She went on to complete a second residency in Neurosurgery at the University of New Mexico (UNM) School of Medicine in Albuquerque, NM.

    Today, Dr. Pappu is an academic neurosurgeon at the Loyola University Chicago Stritch School of Medicine and is involved in both research and patient care. Her research focuses on developing novel tools for assessment and management of Hydrocephalus and Traumatic Brain Injury. Many organizations have benefited from Dr. Pappu’s training in business systems and medicine, earning her senior medical leadership roles. Dr. Pappu has served as an expert witness in a variety of cases, including intra-cranial neurosurgery, spine surgery and neuro-trauma.

    Areas of Expertise:
    • Neurosurgery
    • Traumatic Brain Injury
    • Hydrocephalus
  • Neural (Brain) Networking
  • Advanced Image Analysis
  • Neck and Back Trauma
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    Frank J. Loeffler Jr.
    P.E.
    20511 Highland Lake Drive
    Lago Vista TX 78645
    USA
    phone: 512-267-8700
    fax: 512-267-2547
    Design and Forensic Engineering for Conveyors and Bulk Materials Handling Systems, We specialize in the design of materials handling systems and conveyors of various types including: belt, roller, slider, overland, pipe, steep angle, screw, drag, bucket elevators and pneumatic. We also design the specialty mobile machines, (track, rail, and wheel mounted) such as: stackers, reclaimers, snow loaders, mobile screening plants, self-unloading trains, self-unloading ships, ship unloaders and shiploaders. Our clients are both Plaintiffs and Defendants.

    Some of the standards considered are: Belt Conveyor Manufacturers Association – CEMA, Safety Standard for Conveyors ASME B20.1,OSHA & MSHA

    Areas of Expertise:
    • Conveyor Fires and Explosions
    • Conveyor Guarding
    • Conveyor Injuries
    • Conveyor Product Liability
    • Restraint of Trade
    • Patent Infringement
    • Real Estate Asset Appraisal Conveyor Systems
    • Antitrust
    8/24/2011 · Mining
    BELT CONVEYORS ARE BEING USED TO HANDLE TOP SOIL, overburden and ore within many of today's strip mines. In addition, belt systems are being used more frequently in connecting the pit limits to the process point or rail loading area.

    7/6/2011 · Mining
    This paper discusses how bed blending systems can be applied to the utilization of fossil fuels. The subjects of quality control and available stacking and reclaiming equipment are also explored along with a case history of bed blending at Utah International Corporation's Navajo Mine.

    2/6/2010 · Conveyor Belts
    For more than 100 years the troughed belt conveyor has been used to transport bulk materials. Its success has been attributed to its relatively low capital cost, high degree of reliability and availability, and low operating and maintenance costs. The only significant problems with conventional conveyors have occurred at transfer points when

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    Richard J. Long, P.E.
    Founder & Chief Executive Officer
    Corporate Headquarters:
    5265 Skytrail Drive
    Littleton, CO 80123-1566
    CO, FL, GA, TX, KS, NC, DC, TN, KS, NV
    USA
    phone: (303) 972-2443
    fax: (303) 200-7180
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    Florida Office:
    Andrew Avalon, PE, PSP
    President
    8633 Willow Kane Court
    Orlando, FL 32835
    T: (407) 445-0825
    F: (407) 445-0821

    Long International provides expert claims analysis, dispute resolution, and project management services to the Process Plant Engineering and Construction industry worldwide. Our primary focus is on petroleum refining, petrochemical, chemical, oil and gas production, mining/mineral processing, power, cogeneration, and other process plant and industrial projects. We also have extensive experience in hospital, commercial and industrial building, pipeline, wastewater, highway and transit, heavy civil, microchip manufacturing, and airport projects.

    Richard Long Richard J. Long, PE, Founder and Chief Executive Officer of Long International has over 40 years of U.S. and international consulting experience involving construction contract disputes analysis and resolution, arbitration/litigation support and expert testimony, project management, engineering/construction management, cost and schedule control, and process engineering. He has presented and published numerous articles on the subjects of claims analysis, entitlement issues, CPM schedule and damages analyses, cumulative impact claims, and claims prevention. As an internationally recognized expert in the analysis and resolution of complex construction disputes for 30 years, Mr. Long has served as the lead expert on over 300 projects having claims ranging in size from US$100,000 to over US$2 billion.



    Andrew AvalonAndrew Avalon, PE, PSP is President of Long International and has over 30 years of engineering, construction management and claims consulting experience. He is an expert in the preparation and evaluation of construction claims, insurance claims, schedule delay analysis, arbitration/ litigation support, and dispute resolution. Mr. Avalon has prepared more than 30 CPM schedule analyses, expert witness reports, and testified in deposition, mediation, and arbitration proceedings. In addition, he has published numerous articles on the subjects of CPM schedule delay analysis and entitlement issues affecting construction claims and is a contributor to AACE® International’s Recommended Practice No. 29R-03 for Forensic Schedule Analysis. He has served as a Project Manager on numerous claims ranging in size from US$100,000 to over US$1 billion.



    W. Tom ThweattW. Tom Thweatt is a Senior Principal with Long International and has over 40 years of engineering, construction, and management consulting experience. He has extensive experience in major U.S. and international refining, chemical, petrochemical, offshore oil & gas development, pipeline, infrastructure, and thermal / hydroelectric power generation projects ranging from US$40 million to US$12 billion. He has worked extensively in projects that were executed by multi-national joint ventures on both the owner’s and the contractor’s sides. Mr. Thweatt has served on Joint Venture and Consortium Executive Committees and has participated directly in claims negotiations and settlement agreements in excess of US$100 million.

    3/12/2018 · Construction
    Contractor’s claim submittals and expert reports are often deficient in proving causation, i.e., the cause-effect linkage. These claims generally outline the owner-caused impacts and separately calculate quantum; however, the two are often not linked in any meaningful way. Most claims are settled prior to a decision by a panel, court, or board, and therefore these deficiencies are not made apparent. Yet, a well-prepared claim document which includes a persuasive and accurate causeeffect analysis can greatly improve the contractor’s chances of a successful recovery, either through negotiations or in arbitration/litigation. This analysis is difficult and often costly to prepare, and is therefore not performed in many disputes, which may be the reason why the claims fail.

    1/15/2018 · Construction
    The leader of a corporation or project is the individual who must ultimately be willing to take responsibility for results. Within the context of an organization or team made up of individuals, it is the collective performance of the individuals, as a team, that defines the results of the whole. While it can be said that the best motivation is internal motivation as opposed to external motivation, the leader is ultimately the one responsible for creating the conditions where motivation can thrive.

    11/13/2017 · Construction
    Time is money especially on engineering and construction projects. Because delays in the completion of the project usually result in increased owner, engineer, and contractor costs, the overall time of performance is vital to the financial success of the project. The importance of time is evidenced by the significant role played by CPM schedules, completion dates, and milestones in the bidding and awarding of engineering and construction contracts. The desire to minimize costs and the time of performance often causes the occurrence of acceleration.

    10/4/2017 · Construction
    In the construction industry, it is largely agreed that overtime work adversely affects labor productivity. However, there is no universally accepted method for estimating the resulting loss of productivity, and many of the studies commonly used to estimate such losses have been subject to criticism by industry experts and the courts.

    8/2/2017 · Construction
    The Collapsed As-Built Windows Schedule Analysis (AACE® International Recommended Practice 29R-03, Method Implementation Protocol 3.9) is a modeled, subtractive, multiple-base method. It is a retrospective CPM schedule analysis which is typically used to prove entitlement for compensable delay and assess concurrency of delay within a window of time. The analysis simulates the as-built conditions within a schedule window and then delays are removed from the CPM model. If the forecasted project finish date “collapses” but-for or absent compensable delays, then entitlement for compensable time-related costs can be demonstrated. This article addresses the usage of the Collapsed As-Built Windows protocol and the advantages and disadvantages of the methodology.

    9/27/2013 · Construction
    The "discrete damages/cost variance analysis method" for quantifying construction claim damages involves the specific distribution of all costs incurred on the project rather than quantifying only certain parts of the cost or damage analysis as may be used in the other methods.

    9/4/2013 · Construction
    ABSTRACT - This paper provides guidelines to commercial construction cost engineers for the development of a plan for obtaining and utilizing subcontractor cost information for use in bidding, procurement, scheduling, change order management, and claim management. The paper is based upon personal field experience gained in cost engineering, scheduling, bidding, planning, contracting, and claim analyses.

    8/13/2013 · Construction
    A component of a construction claim often relates to the cost, quantity, and quality of the materials that the contractor installed on a project. The contractor frequently purchases these materials and agrees to install the quantities of materials on a unit price basis, i.e., a unit price that includes both the cost of the materials and the cost to install them.

    12/17/2012 · Construction
    Most construction contracts, whether they are standard or customized forms, usually contain specific provisions related expressly to the process of giving "notice." The notice generally refers to an obligation on the part of the Contractor to notify the relevant party administering the contract, normally the architect, resident engineer, or owner's representative, of a claim or change event that gives rise to possible additional entitlement for time and/or cost.

    4/13/2012 · Construction
    The equitable allocation of responsibility for project delays is essential to the resolution of many construction disputes. Contractors frequently assert that they have been delayed for reasons beyond their control. Owners often remain unconvinced that the Contractor is legitimately entitled to a time extension or delay, acceleration and loss of productivity damages.

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    Steven Kushnick
    Principal Engineer
    P.O. Box 670084
    Marietta GA 30066
    USA
    phone: 770-591-1720
    fax: 770-591-7996
    Mechanical Engineer - Turbomachinery Expert. Gas turbine engines, steam turbines, jet engines, compressors, pumps, expanders, generators, cogeneration, combustion equipment, diesel engines, and reciprocating compressors. Failure analysis, stress analysis, mechanical design, design analysis, troubleshooting, performance analysis, durability assessment. Access to metallurgical laboratory. Experienced Expert witness.

    Please see our Service List at www.sbkushnick.com/servicelist.pdf for a concise description.