Forensic Engineers and Consultants

Tag Archive: moisture related problems

  1. Moisture Intrusion into Structural Reinforced Concrete

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    Scenario:  The owners of Jones’ Marine, a marina with a wharf structure on a tidal saltwater river, cater to the operators of ships, barges, and large yachts.  There are both diesel and gasoline fuel pumps at the edge of the wharf.  In addition, a large mobile crane for lifting the large vessels out of the water for maintenance is in service at the wharf.  This crane is driven out to the edge of the wharf deck suspended over the water, subjecting this deck and the structure beneath it to very high loading.  They purchased the property from its former owners about 10 years ago and are conscientious about maintenance and upkeep of their thriving facility.  They decide it is time to have a survey performed of the condition of the precast reinforced concrete piles and pile caps beneath and supporting the concrete wharf platform/deck.  They are alarmed at what is discovered by this survey:  Significant spalling (more…)

  2. WARREN WEBINAR: “Issues with Breaching the Building Envelope”

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    LIVE WEBINAR:
    10/5/21  @ 1 pm EST “Issues with Breaching the Building Envelope” | Presented by George Sanford, P.E., Senior Consulting Structural Engineer

    COURSE LEARNING OBJECTIVES

    In this Webinar, we will discuss water entry through a variety of building envelope breaches. Water entry and subsequent wood decay, fungal growth and structural damages as a result from water intrusion can lead to serious property damage and major expenses for all types of property owners. We will discuss the definition of a building envelope, and look at various case studies involving breaches to the major components of the envelope. These major components include foundations, exterior walls, and roofs. The foundation case studies include issues with slabs-on-grade, crawlspaces, and basements. The exterior wall case studies involve improperly installed building wrap, leaking windows, and problems with stucco. The roof case studies look at issues with various roof coverings, vents, and penetrations. Participants will take away a thorough understanding of what defines the building envelope, how breaches to the envelope can occur, and how to identify root causes. (more…)

  3. Moisture Intrusion into Concrete Slabs-on-Grade

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    Scenario:  A young couple is excited about buying their first home.  They pick it out from a catalog of house plans from the developer of a new neighborhood in town.  It will be a brand new construction starter type bungalow home on a slab-on-grade foundation.  For a cost adder, which is considerable to them, they decide to upgrade the finished flooring from carpeting to hardwood laminate.  Unfortunately, after only a few weeks of residency, the hardwood planks begin to buckle and separate from the slab throughout the house.  They do not know what is causing it, or what to do to remedy it, (more…)

  4. Air Conditioning Evaporators

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    This is the third and final of three articles concerning the basics of air conditioning systems.  This article concerns the evaporator, a part of the air conditioning system that is usually unseen inside the air handling unit. The evaporator, in concert with a fan, supplies cool air to a building interior. (more…)

  5. Air Conditioning Condensing Units

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    The condensing unit is a key component of all vapor compression air conditioning systems.  We are all familiar with condensing units as the noisy exterior portions of air conditioning systems that blow hot air to the environment. (more…)

  6. Air Conditioning System Basics

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    Air conditioning systems are everywhere in our lives – at home, in our vehicles, at work, in manufacturing facilities – yet most people give them little thought other than setting a comfortable temperature until they stop working or malfunction in some other way. (more…)

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