Grant relevant team members read access to all GCP production projects and establish Stackdriver workspaces within each project.

Choose an existing GCP production project to serve as the monitoring workspace host, link the production projects to this workspace, and provide relevant team members with read access to the Stackdriver Workspace.

Assign the Project Viewer IAM role to relevant team members across all GCP production projects and set up Stackdriver workspaces in each project.

Establish a new GCP monitoring project, create a Stackdriver Workspace within it, link the production projects to this workspace, and grant relevant team members read access to the Stackdriver Workspace.