Water Resources Planning Branch, WRA, MOEAWater Resources Planning Branch, WRA, MOEA

1. Survey Stage

• Site reconnaissance
• Vertical control survey
• Horizontal control survey
• Installation & survey of cross-section stakes
• Topographic surveying

2. Cartography & Data Compilation

• Procurement of relevant map sheets
• Georeferencing and integration of cadastral maps
• Overlay of related layers (red–yellow–green control lines, topographic maps, public/private land, urban planning maps, protection forests, etc.)
• Delineation of river administrative boundaries
• Production of river cadastral map books

3. Review by River Branch (optional)

4. WRA Review

• Exempt from convening the Review Committee.

5. Approval

• Submit consolidated deliverables to the Water Resources Agency (WRA); the WRA forwards them to the Ministry of Economic Affairs (MOEA) for approval.

6. Promulgation

• According to the numbers of reports/drawings specified by the WRA, the River Branch submits to the WRA, which then files to the MOEA for public announcement.