COLTO EXCLUSION CLAUSES CONCRETE The Ready-mix supplier agrees to supply concrete as defined in COLTO Standard Specification for Road and Bridge Works for State Road Authorities SERIES 6000: STRUCTURES, SECTION 6400: CONCRETE FOR STRUCTURES and SECTION 7100: CONCRETE PAVEMENTS subject to the following conditions: Section 6402 (b) (3) and Section 7102 (c) (i) Drying shrinkage […]
Then you should be able to answer these few questions, (which we answer for you below): Sampling of fresh concrete for the slump test should be done within 15 minutes from the time of obtaining the sample. True or false? A sample for testing should not be less than 10 litres. True or false? If […]
CUBE TESTING. All the raw materials used to produce concrete are variable. The Readymix supplier must absorb these variances in his production process and produce concrete that will meet with the specification.