Power BI Dataflow solution effort estimates

Hello,

we are enabling our business to create self-service reporting.

we have a requirement to create Dataflow on SQL database on 2 tables.

Requirement is below 

Creating Workspaces for 3 tier landscape

Create 1 Dataflow in Power BI Service on SQL Database for all 3 tiers (Workspace Dev,QA,Prod)

Assigning Datasources to On-premises gateway

Creating security groups and adding designers and viewers

Provide access to Workspaces

Enable Report designers to create self-service reports

Support in Dev,QA,Prod and Go-live support

Thanks