Construction of main channels and sub- flood drainage networks in Al-Nour district Project in Riyadh city

The project is to carry out of rainwater flow in AlSulay district east of Riyadh and includes the following :

1 – Construction of concrete box Calvert with a total length of 15000 m with various channel slots number starting from 1 to 6 slots.

2 – Main lines with various diameter between 300 mm and 2000 mm with total length of 44,900 m.

3 – 1500 inspection chambers and flows catch basing.