2. Newly added safety risk assessment: 202 1 requires that safety risk assessment must be conducted for water conservancy construction projects before construction, and the assessment results should be submitted to relevant departments for filing.
3. Strengthen construction site management: The 202 1 version requires that the construction site of water conservancy projects must meet the safety production standards, and the construction site management should be strict, especially for dangerous projects, strict safety protection measures must be taken.
4. Strengthen the accountability: The 20021version clarified the accountability system for the persons responsible for water conservancy construction projects. For projects with major hidden dangers, the responsible person shall bear corresponding legal responsibilities according to law.
5. Other changes in details: The 20021version has also made some adjustments and modifications to the criteria for judging major hidden dangers in water conservancy construction projects, such as the time limit for accident reporting and the composition of accident investigation teams.