| Reduced Level |  the term "Reduced Level" (RL) refers to a vertical measurement that indicates the height of a specific point relative to |
| Rake |  In the context of Australian commercial construction projects, "rake" typically refers to the angle or slope of a surface. This |
| Rainwater head (rainwater sump) |  a rainwater head, also known as a rainwater sump, is a component of a building's roof drainage system. It serves |
| Rafter |  a "rafter" refers to a structural component of a roof. Rafters are inclined beams that extend from the ridge or |
| Pvc (Polyvinyl Chloride) |  Polyvinyl Chloride (PVC) is a widely used synthetic plastic polymer in Australian commercial construction projects, as well as globally. It |
| Provisional Sum |  a "Provisional Sum" refers to an estimated allowance included in a contract for certain work or materials that cannot be Synonyms - PS sum, PS
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| Property survey |  a property survey is a detailed and precise assessment of a piece of land or property. It involves the measurement |
| Prime Or Priming Coat |  In Australian commercial construction projects, a prime or priming coat refers to the initial layer of coating applied to a |
| Prime Cost Sum |  a Prime Cost Sum (PC Sum) refers to an allowance in the contract for the supply of materials or equipment Synonyms - PC sum, prime cost
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| Pressure Relief Valve (PRV) | |
| Prefabricated Construction, Prefabrication |  Prefabricated construction refers to a type of construction where a building's components are constructed off-site . This method involves manufacturing |
| Pre-Cast Concrete | Synonyms - pre-cast
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| Pre-Cast |  pre-cast concrete refers to a type of construction product produced by casting concrete in a reusable mold or "form" Synonyms - precast, pre-cast concrete
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| Portland Cement | Synonyms - cement
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| Portal Frame |  a portal frame is a type of structural system commonly used for building large, open spaces such as warehouses, factories, |