DCS has organized a project "The "Klong Ta Chang Sai - Hoi Sod Chuen" (ตาช้างใส หอยสดชื่น) project on keeping Khlong Tachang to always be clear and clean. Khlong Tachang is a drain canal that located next to the Premier place building, Srinakarin road. The “Khlong Tachang Sai Hoi SodCheun” project was established with the collaboration of volunteer executive officers and employees, working together digging water-lettuce and duckweed as well as collect garbage in the canel.