Tips for buying Coarse Aggregate

Precautions while Unloading Material:Watch out for the sub standard material. Even if the supplier tells you that he has carried the best material you should check the quality using the guidelines above. Precautions while Purchasing Coarse Aggregate
a) About Rate: You should collect rates from around 3 to 4 suppliers. You should also collect the rates from few truck owners who stand their trucks full of material at the early hours of the day in every city/town. This exercise will not only help you get good quality material but will also help you figure out the prevailing rates.

b) About Measurement (Wrong Calculation): The supplier or truck owner may try to used incorrect calculation method while calculating the final payment. For example if the measurement is 3 feet 6 Inches, he calculates the payment by multiplying 3.6 to the rate where as he should have used 3.5

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Tips for purchasing fine aggregate

Quarry Site’/Source of Fine Aggregate (Coarse Sand): Three types of materials/ coarse sand are found at ‘Quarry Site’. Each material has different impact on the strength of the building.
1. Screened and washed material: This type of material is the best for use in construction work and gives full strength of mortar.
2. Screened but unwashed material: This type of material is cheaper having more silt. This is generally 10% cheap.
3. Unscreened, unwashed material: This type of material is the cheapest having more silt/clay and un-graded material. This is generally 20% cheap.



1. House Owner has to pay more money for:
a. Cheap quality of the coarse sand.
b. Labor to sprinkle water on the coarse sand.

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