UT wave velocity on board moisture content. This paper presents an expert system to support the inspection and diagnosis of gypsum plasters applied to partition walls and ceilings (inner gypsum plasters – IGP). Este trabajo presenta un sistema experto de apoyo a la inspección y diagnóstico de tabiques o revestimientos de yeso laminado. A methodology of developing correlation matrices in a global inspection system based on existing element-specific systems is presented. They are an advantageous tool for surveyors. Delmhorst’s moisture meter models BD-2100 and TechCheck Plus have scales that are calibrated specifically to gypsum. Some techniques may be used to repair a specific defect or eliminate its causes without any restrictions (correlation index 2), but others may have some constraints (correlation index 1). Fasteners (Screws and nails) Inspectors should assess the use of screws in terms of spacing, application, and penetration to avoid breaking the paper face of the wallboard. We are a drywall contractor that performs framing, hanging and finishing drywall. 110.3.5 Lath, gypsum board and gypsum panel product inspection. The repair of anomalies and the elimination of their causes are supported by a classification of the repair techniques, for each one of which a characterization file is presented and by a correlation matrix anomaly/repair technique. Gaião C. R., de Brito J., Silvestre J. D., (2010) "Inspection and pathological characterization of gypsum plasterboard walls." "Brazilian A sequential number follows thi, diagnosis methods and the repair techniques, functional quality or the incorrect choice of the c, sound insulation solution where pipes perforate the gypsum pla, during the work the majority of these problems can be prevented or fixed without affec. A not-for-profit trade association founded in 1930, promoting the use of gypsum while advancing the development, growth, and general welfare of the gypsum industry in the United States and Canada on behalf of its member companies of Acceptable moisture levels vary depending upon the type of material. Something went wrong with your submission. Rovisco Pais Furthermore, the classification of anomalies and their probable causes was described. However, before the definition of these tools, a question must be raised: “Do users need a buildings’ inspection, diagnosis and service life prediction software?” Therefore, this study performs a market survey involving 57 varied stakeholders working on the maintenance sector, evaluating the usefulness of the proposed computational tools, identifying the characteristics that the software must have to ensure its use by the sector. Flexible Cement Board (PermaBase Flex® BRAND Cement Board) R. Gypsum Sheathing (Gold Bond® BRAND Gypsum Sheathing) S. Fire-Resistance Rated Gypsum … The effective planning of maintenance strategies requires the development of accurate tools to aid stakeholders’ decisions about when and how to intervene. Such list, for the building envelope’s inspection, should include techniques for repairs on the surface of the cladding or in the cladding system, as well as procedures to make changes in the bearing structure or in the substrate and in singular points of the building envelope. C. Gaião. Abragesso These measures could directly help improve the quality of construction. A classification system for epoxy resin floor defects and their most probable causes are proposed. CRC §R302.6 5/8” type x gypsum board on garage ceiling (if garage is beneath habitable rooms) Fasteners shall not be spaced less than 3/8” from edges and ends of wall board CRC 702.3.5.1 . This paper presents a proposal for an expert system for inspection and diagnosis of epoxy resin on industrial floor coatings (PIRE). anomalies observed during these inspections and their probable causes. Saint-Gobain Gypsum suspended ceilings (concealed and lay-in grid systems) combine decades of expertise in delivering high-quality products such as Gyptone®, Rigitone® boards with excellent sound absorption, that also help improve indoor air quality, to create unique designed … plasterboard walls (in Portuguese)." 3. Among those, a set of identically structured inspection systems for individual elements of the building envelope was selected as the basis for developing a global inspection system. If you are not sure of the inspection requirements for your project, contact your inspector. Eurogypsum (2010) " European federation of national associations of gypsum products Using both lists, the relationship between each defect and each cause is determined according to the probable contribution of the causes to the occurrence of a defect. The face paper is folded around the long edges to reinforce and protect the core, and the ends are cut square and finished smooth. The defects that may affect WF along with their probable causes are classified in this system. C22/C22M Specification for Gypsum. (R-3 Dwelling and U Garage separation) 1/2” gypsum board on garage side of walls and its attic. July 2006. ► Inner gypsum plasters are high susceptible to the action of water. Scope for Installation of Gypsum Board Supply and installation of gypsum board partition/wall lining. Individual files containing a complete characterization of defects, diagnosis methods and repair techniques are also exemplified. The operation and maintenance stage, comprising the service life of buildings, may be associated with more than half of their life-cycle costs. Therefore, it’s important to use the right moisture meter for your inspection. With strict predetermined criteria, four global matrices were built, tested in fieldwork and adjusted. This system includes a classification of anomalies in DW and their probable causes. ► This inspection system was validated in an extensive inspection campaign. (April 28, 2010). All the defects, diagnosis methods, and repair techniques have individual files containing their significant information. This specification covers the minimum requirements for the methods of application and finishing of gypsum board, including related items and accessories. Various inspection systems have already been developed, some more focused on divulging information, others trying to provide customised diagnosis, and others with a solid and broad information structure. Unlimited reports and storage, integrations, and real-time analytics for premium accounts. All fasteners are approved gypsum board type. Gypsum board, gypsum panel products and gypsum plaster construction shall be of the materials listed in Tables 2506.2 and 2507.2. All the direct and indirect possible causes of the potential defects, as well as the repair techniques, are also catalogued and classified. © 2008-2020 ResearchGate GmbH. In the context of a global inspection system for the non-structural building envelope, the classification of diagnosis methods is organised in ten categories: assisted sensory analysis; electrical methods; thermo-hygrometric methods; sound and acoustic methods; nuclear methods; hydric methods; mechanical methods; pressure methods; colour methods; and chemical methods. The second tool provides information related with the element's service life (when to intervene), according to their characteristics. observed during these inspections and their probable causes. Maximize use of this checklist by following the points below: Use a pre-drywall inspection checklist to ensure that a house or building is constructed according to the specifications set by management or homeowner. If. These files are based on previous works (Delgado et al. The validation of the classification system was made via a number of cases of standardized inspections. 2013, Sá et al. According to the classification of repair techniques and that of defects, the most adequate repair techniques should be defined in a correlation matrix associating defects with repair techniques taking the affected building element or material into account. Such a procedure was performed to increase the content of The deterioration of their Drywall inspection reports are important because they help inspectors and contractors document the overall condition of a house or building and take note of problem areas that need immediate rectification. Supply and installation of gypsum board ceilings. As no other VLF inspection and diagnosis system has been reported in the literature, the one proposed here follows the path set by the same research team for other claddings (Delgado et al. found in refereed journals or in congress proceedings. The classification systems, including the correlation matrices, were also validated. Gypsum board is the most common indoor building material in the United States. Los revestimientos interiores son de las unidades constructivas que más interrelación tienen con los usuarios, dada su cercanía de uso con éstos. For example, a type G screw should be used for attaching gypsum to gypsum and type W screws are for gypsum to wood framing. support the inspection and di agnosis of DW made with gypsum plaste r b oard s (Gai ão 2008). These lists should be easy to refer to, organising defects and their probable causes in a logical sequence. Diagnosis tools are complemented with a correlation matrix anomaly/test method. This inspection system was validated through standard inspections of 90 WFs applied indoors and eight applied in exterior areas, in a total of 35 buildings. Maintenance: Definitions, Benefits, and Application, Convert your paper forms into digital checklists, Conveniently perform drywall inspections using your tablet or mobile device, Assign corrective actions on problem areas or items you’ve identified during an inspection, Take or attach photos and add notes during the inspection, Get insights on the condition of your home or building with analytics. In this paper, a classification system for flat roof waterproofing inspection is presented. Anomaly files also include a representative photograph of the anomaly. When testing gypsum board, you’ll want to either use a gypsum moisture meter or use a multi-scale meter that is set to the gypsum scale. This study analyses the utility of two computational tools to aid the adoption of condition-based maintenance policies, developed for the buildings’ envelope elements. classification of the diagnosis methods and the repair techniques suitable for each IGP defect. Depending on the intensity, an impact in the middle of a bo. This paper includes a statistical analysis of the anomalies, Join ResearchGate to discover and stay up-to-date with the latest research from leading experts in, Access scientific knowledge from anywhere. 2013, Sá et al. retailers, The ACT inspection system was validated through a series of standard inspections of 155 ACT cases, also described here. 2014, Santos et al. Superior Técnico, Lisbon, Portugal, 144 p. Service Life Prediction for a risk-based Building Management System, This research project will create a software that provides the estimated service life of the buildings envelope’s elements, subjected to a set of specific conditions and for different requirement l. To identify what decision making tools are used by retailers to integrate energy systems in their buildings. – ASTM C11 inspection lighting: Inspection lighting shall be representative of normal lighting conditions in … noncombustible core primarily of gypsum, with paper surfacing. This ... Jai is a content writer for SafetyCulture based in Manila. This paper presents a classification system for the inspection, diagnosis and rehabilitation of vinyl and linoleum floorings in healthcare infrastructures. These defects may originate from the paper, faults with the forming belts or problems with the gypsum core, all will be identified. The correlation matrices between defects and between defects and probable causes complement these classifications. DECivil-IST, Technical University of Lisbon, Av. Within a building, its envelope is paramount to withstand external aggressions and guarantee minimum comfort levels for the occupants. This paper includes a statistical analysis of the, This paper presents an expert system to support the inspection and diagnosis of wood applied as a floor covering [wood flooring (WF)]. The FalconEye is for gypsum board surface inspection it will detect all types of surface defects that can be found on gypsum boards down to a size of 1mm². Research on "Green Building Projects in Iran". 2013, Garcia and de Brito 2008, Silva et al. Furthermore, and considering that often defects occur in a sequence, defects are associated in an inter-defects correlation matrix, which is based on the defects–causes correlation matrix and provides the probability of occurrence of a defect when another occurs. types were performed through optical and scanning electron microscopy. Drywall Inspections. A final inspection after all the permitted work has been completed. The conclusions of the statistical analysis allowed the creation of an inventory of preventive measures to be implemented in the design, execution and use phases in order to lessen the magnitude or eradicate the occurrence of anomalies in DW. Home inspectors to evaluate if drywall installation follows standard structural requirements that is. Products manufacturers `` < www.eurogypsum.org > ( April 28, 2010 ) `` Handbook of Concrete Management! The practical use of non-destructive, easier to use and customize this checklist to find and technique! 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