READY MIXED CONCRETE – WHAT INFORMATION TO BE SUPPLIED BY THE PURCHASER?

Ready Mixed Concrete
Ready Mixed Concrete

Information to be Supplied by the Purchaser

It is recommended that a meeting must be held between the purchaser and the producer of concrete. In the meeting the following points should be discussed.

  • Details of concrete mix
  • Use of concrete
  • Type of structure
  • Performance requirement
  • Notice to be given prior to delivery
  • Delivery rate
  • Purchaser’s authorized representative
  • On site testing
  • Training (if required)

The details about the concrete mix should be supplied in a format as shown below.

CONCRETE MIX INFORMATION TO BE SUPPLIED BY THE PURCHASER

Name of the contractor
Site name
Reference standard of concrete mix design
Grade (N/mm2) (Characteristic strength)
Minimum Cement Content (kg/m3)
Mineral Additives (Pulverized fuel ash / Slag / Others) kg/m3
Maximum Free Water-Cement Ratio
Nominal Maximum Aggregate Size
Cement Type and Grade (if preferred)
Target Workability (Slump in mm)
Target Workability at Site
Maximum Temperature of Concrete at the Time of Placing
Class of Sulphate Resistance (if applicable)
Exposure Condition (if applicable)
Class of Finish (if applicable)
Mix application
Method of Placing
Any other Requirements (Early strength, workability retention, permeability testing, chloride content restriction, maximum cement content, etc)
Concrete Testing (Frequency)
Material’s Testing (any non-routine requirements)
Alternatives to be offered: Yes / No
Method of Curing to be Used by Contractor
Quantity (m3)

 

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