FSA limits, grace periods, and carry-overs. You generally must use the money in an FSA within the plan year. It can provide a grace period of up to 2 Â½ extra months to use the money in your FSA. It can allow you to carry over up to $500 per year to use in the following year.
Testing, adjusting, balancing. HVAC Testing, Adjusting and Balancing (TAB) are the three major steps used to achieve proper operation of HVAC (heating, ventilation, and air conditioning) systems. TAB usually refers to commercial building construction and the specialized contractors who employ personnel that perform this service. In general, the TAB specialist performs air and hydronic measurements on the HVAC systems and adjusts the flows as required to achieve optimum performance of the building environmental equipment.
After a roof is finished the tabs are the only visible part of each shingle. Those unfamiliar with roofing often assume each tab is an individual shingle. Of course, now you know what every professional Marietta roofing contractor knows. Each visible âshingleâ is, in fact, one of the tabs in a 3-tab shingle. As suggested earlier, laminated shingles are actually an enhanced, stronger version of a standard 3-tab shingle. Unlike a 3-tab shingle, a laminated shingle has an extra layer under its lower half. This gives the tabs on a laminated shingle a thickness that is twice as deep as it would be otherwise.