The construction of a temporary pipe diversion across Sungai Perai in Penang, along the sides of Ampang Jajar bridge, has reached 50 percent, and is expected to be completed on Feb 2.

Penang Chief Minister Chow Kon Yeow said the construction work, including the installation of two 600mm pipes, was going smoothly and on schedule.

He said the operation of these two pipes was...