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  2. Equivalent annual cost - Wikipedia

    en.wikipedia.org/wiki/Equivalent_annual_cost

    Calculation of the after-tax NPV of the operating cost stream Applying a sinking fund amortization factor to the after-tax amount of any salvage value. In mathematical notation, for assets subject to the general half-year rule of CCA calculation, this is expressed as:

  3. Ready-mix concrete - Wikipedia

    en.wikipedia.org/wiki/Ready-mix_concrete

    Speed in the construction practices followed in ready mix concrete plant is followed continuously by having mechanized operations. The output obtained from a site mix concrete plant using a 8/12 mixer is 4 to 5 metric cubes per hour which is 30-60 metric cubes per hour in a ready mix concrete plant.

  4. Price variance - Wikipedia

    en.wikipedia.org/wiki/Price_Variance

    Price variance (Vmp) is a term used in cost accounting which denotes the difference between the expected cost of an item (standard cost) and the actual cost at the time of purchase. [1] The price of an item is often affected by the quantity of items ordered, and this is taken into consideration.

  5. Types of concrete - Wikipedia

    en.wikipedia.org/wiki/Types_of_concrete

    Foam concrete is produced by mixing cement or fly ash, sand, water, and a synthetic aerated foam, which provides stability to the air bubbles, in contrast to air-entrained concrete which is produced incorporating specialized admixtures directly into the concrete mix. Foam concrete offers excellent thermal and acoustic insulation properties ...

  6. Concrete plant - Wikipedia

    en.wikipedia.org/wiki/Concrete_plant

    The global Ready Mix Concrete (RMC) market is valued at US$394.44 billion in 2017 and is expected to reach US$624.82 billion by the end of 2025, growing at a CAGR of 5.92% between 2016 and 2022. [2] A ready mix concrete plant is generally located inside the city, transporting ready-mixed concrete for projects through concrete truck mixers.

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