Doha Metro services on the Red Line will be replaced on May 6 and that on the Green Line on May 7 with alternative services, Qatar Rail announced in a series of tweets.
With regard to the Red Line, it has been explained that replacement buses will not stop at Al Wakra and Katara metro stations. Replacement buses will run every five minutes between Ras Bu Fontas and Lusail QNB.

A shuttle replacement bus service will run every 10 minutes between Al Mansoura and Al Doha Al Jadeda stations on the Red Line. Metrolink will operate as usual.
A replacement bus service will run every 15 minutes between Hamad International Airport Terminal 1 and Ras Bu Abboud on the Gold Line. Metrolink and metroexpress for the Red Line will operate as normal.
A replacement bus service will run every 15 minutes between Hamad International Airport Terminal 1 and Ras Bu Abboud on the Gold Line. Metrolink and metroexpress for the Red Line will operate as normal.

On May 7, for the Green Line, replacement buses will run every 10 minutes between Al Bidda and Al Riffa Mall of Qatar stopping at all the stations except White Palace. Metrolink will operate as normal.