Table 6: Frequent-point statistics of quality problems.

SubprojectFrequent points of quality problems

Reinforcement engineeringStirrups, main ribs, pull hooks, pull tabs, concrete works
Concrete engineeringPouring and appearance (honeycomb, matte, exposed bar, hole)
Template engineeringInstallation of support systems (racks, poles, joints) and demolition
Masonry engineeringGrey joints, verticality control, retention of horse teeth and holes during masonry