Concrete slab foundations, commonly called slabs, are the most common foundation system found in commercial buildings. Concrete is a mixture of Portland cement, sand, gravel, and water. When concrete is…
In the construction industry, a schedule is a tabular approach to organizing and presenting lists of building materials, systems, and components. For instance, schedules are common for windows in a…
There are very few constants in construction or inspections, but one basic construction principle is that buildings should be plumb, level, square and straight (PLSS). In inspecting a structure, anything…
There are various types of parking areas at commercial properties, ranging from multi-story parking structures to gravel parking pads. Multi-story parking garages can be complex and contain systems beyond most…
Assessing electrical panels, or panelboards, is only one part of the electrical portion of a commercial property inspection. Inspectors must fully understand the International Standards of Practice for Inspecting Commercial…
Terms You Should Know: Working space: The front clearance, side clearance, and height clearance requirements for electrical equipment that provide a safe area for maintenance, inspections, and other work. Dedicated…
Electrical service refers to the conductors, materials, and equipment that transfer power from the utility system to the wiring system that supplies the subject property with electrical power. Commercial buildings…
Terms You Should Know Alternating current (AC): A current that periodically reverses direction and magnitude continuously. Direct current (DC): A current that does not reverse direction but maintains the same…
Transformers are used to change AC voltage levels. These can be termed as step-up or step-down, depending upon the need to increase or decrease in the voltage level. This is…
Section 6.5.2 of the ComSOP titled Exterior states that the inspector should inspect the landscaping during a commercial property inspection. Contrarily, InterNACHI’s Home Inspection Standards of Practice exclude landscaping from…
Section 6.5.2 of the ComSOP titled Exteriors states that the inspector should inspect the stormwater drainage system, general topography, and parking area. To complete this part of the inspection, the…
There are two types of air-handling systems: constant volume (CV), and variable air volume (VAV). In a CV system, a constant amount of air flows through the system whenever it…