Excel sheet to calculate BBS, Concrete, water proof. From Gulf Project.

a very good afternoon sir ,
sir i would like to know about the project detail like design and estimation for the waste water treatment plant using MBBR moving bed bio reactor .
if sir have the knowledge about the MBBR design and estimation please share me in the below info.
Thank you.

email:- askermk786@gmail.com
+91 8118942306