Page 58 - KOP Panborneo Highway Report Card Jan-june 2017

Quality assurance & control permanent concrete works for drainage

Grade 20, Grade 25 & Grade 30

Item Description Type of Test total no. of test done this month

1 Grade 20 Concrete for 7Days, 28-Days Compressive 1011 nos./ Volume Grade 20
Roadside Drains Strength of Test Cubes 338 samples = 160 m3

2 Grade 25 Concrete for Bench, 7Days, 28-Days Compressive 2646 nos./ Volume Grade 25

Berm Drains, Interceptor Strength of Test Cubes 886 samples = 524.4 m3
Drains, Culverts

3 Grade 30 Concrete for RC Box 7Days, 28-Days Compressive 1599 nos./ Volume Grade 30

Culverts Strength of Test Cubes 533 samples = 1173 m3

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