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The present serviceability index (PSI) is a pavement performance measure.Introduced by the American Association of State Highway and Transportation Officials (AASHTO), the PSI is one of the most widely used pavement performance indicators after pavement condition index (PCI) and international roughness index (IRI).
The international roughness index (IRI) is the roughness index most commonly obtained from measured longitudinal road profiles. It is calculated using a quarter-car vehicle math model, whose response is accumulated to yield a roughness index with units of slope (in/mi, m/km, etc.).
The pavement condition index (PCI) is a numerical index between 0 and 100, which is used to indicate the general condition of a pavement section.The PCI is widely used in transportation civil engineering [1] and asset management, and many municipalities use it to measure the performance of their road infrastructure and their levels of service. [2]
Floor Area ratio is sometimes called floor space ratio (FSR), floor space index (FSI), site ratio or plot ratio. The difference between FAR and FSI is that the first is a ratio, while the latter is an index. Index numbers are values expressed as a percentage of a single base figure. Thus an FAR of 1.5 is translated as an FSI of 150%.
Mastic asphalt is a type of asphalt that differs from dense graded asphalt (asphalt concrete) in that it has a higher bitumen content, usually around 7–10% of the whole aggregate mix, as opposed to rolled asphalt concrete, which has only around 5% asphalt. This thermoplastic substance is widely used in the building industry for waterproofing ...
The basic definition is also known as WAULT to expiry to make the distinction clear. Depending on the market conditions, one might desire a high or low WAULT. For instance, if the rental market is strong and rents are rising, a low WAULT is desirable as that indicates that the current leases are going to expire or renegotiate in the short term ...
Real estate benchmarking is the standard of measurement used to analyze the financial characteristics of a real estate investment property. In the general sense, real estate benchmarking refers to the comparison of potential real estate investment properties against a predetermined framework of measurement. In a narrow sense, the term real ...
A tract index is a document which summarizes real property transactions in certain U.S. states and may be available in the offices of Recorder of deeds. Layout and content [ edit ]