ANSWERS SURE A+
✔✔how accurate does the air meter have to be - ✔✔within 0.2% accurate between 0-
8% air
✔✔how long do you have to compete the air meter test - ✔✔10 mins after sampling
✔✔7-15L air meter, how many tamping rod strokes per layer - ✔✔25 strokes
✔✔greater than 15L air meter, how many tamping rod strokes per layer - ✔✔50 strokes
✔✔do you tamp self consolidating concrete - ✔✔no
✔✔what size is the big tamping rod - ✔✔16 +/- 1mm diameter, 450-600mm length
✔✔how long after sampling do you have to complete the slump test - ✔✔10 mins after
sampling
✔✔how long should the slump test take - ✔✔2 mins
✔✔what is the tolerance for bearing block planeness - ✔✔0.025mm