****🌐 Related links :
****👁️🗨️ https://ja.cat/drainage
****👁️🗨️ https://www.oxfamwash.org/en/sanitation/drainage
****📚 Related documents 👇🏼
7.32.≈C5≈ Stormwater drainage.
OXFAM-TB-Low cost drainage for emergencies.
OXFAM-TB-Responding to floods and flooding.
WEDC-TB.057-Surface water drainage - How evaluation can improve performance.
WEDC-Poster.007-Drainage from water points.
WEDC-Poster.057-A typical arrangement for an apron slab and drainage.
WEDC-Poster.058-Design details for an apron slab and drainage.
11.3. Water catchment and spring arrangement with reservoir and/or necessity of drainage ( E3bis ).