If you know about this tender, please could you tell me where I can get the tender documents?

Rua al Madinah Holding Company: Invitations to prequalification for infrastructure project tender

https://www.constructionweekonline.com/projects-and-tenders/272446-rua-al-madinah-holding-company-invitations-to-prequalification-for-infrastructure-project-tender

I read that Package 1 has a 2,5 km main vehicular tunnel with four secondary tunnels. Overall length of the entire tunnels 5km. Also, a sewer tunnel of 2400mm.  Package 2 utility tunnels etc.

There is no information about the details. They are giving the following link though it has no much info

https://procurement.ruaalmadinah.com/

Saudi Arabia government site has no info over this project

https://www.pif.gov.sa/en/MediaCenter/Pages/default.aspx

Any information will be very useful.

Thank you.

Roberto