Adherence to the NTC 2018 is strictly mandatory by law. Non-compliance can lead to severe criminal liabilities for structural engineers, project managers, and contractors.
The core of the NTC 2018 is an appendix of 12 chapters that detail the technical requirements. Understanding this structure is the first step to finding what you need in the code. ntc 2018 english version
Stricter requirements for concrete cylinder testing, steel rebar certification, and on-site inspection logs aim to reduce construction defects. Adherence to the NTC 2018 is strictly mandatory by law