information to be supplied by the buyer

It is recommended that a meeting should be held between the buyer and the manufacturer of concrete. The following points should be discussed in the meeting.

Description of concrete mix
use of concrete
Structure type
performance requirement
Information to be given before delivery
delivery rate
Buyer’s authorized representative
on site test
Training (if needed)

The details regarding concrete mix should be given in the format shown below.

Concrete mix information to be supplied by the buyer
name of contractor
place name
Reference standard for concrete mix design
Grade (N/mm²) (characteristic strength)
Minimum Cement Content (kg/m.)³,
Mineral additives (pulverized fuel ash / slag / others) kg / m³
Maximum free water-cement ratio
Nominal Maximum Overall Size
Cement type and grade (if desired)
Target workability (deceleration in mm)
Target practicality on site
Maximum temperature of concrete at the time of laying
Sulfate resistance class (if applicable)
Exposure conditions (if applicable)
Finish Class (if applicable)
mix application
method of installation
Any other requirements (initial strength, workability retention, permeability test, chloride content restrictions, maximum cement content, etc.)
Concrete Testing (Frequency)
Material testing (any non-routine requirements)
Options to be offered: Yes / No
Method of treatment to be used by the contractor
Quantity (m³,