The GA & PID are approved subjected to inclusion of following points:
1) The working platforms should be chequerred plate (not mentioned) with railings and 100mm toe gauard.
2) GA of MEE feed tank: Include feed pumps in the GA with all fittings. 
> mention the total height of the feed tank with the gear box and motor.
> Local level indicator is required in the feed tank.
> Manhole to be provided on the side also.
> Ladder with platform and railing to be provided for the access to the top manhole and agitator gear box and motor for maintenance purpose.
> The design temperature of the ATFD feed tank should be 70 deg C.
> Provide insulation cleat as the tank is insulated.
> Provide feed nozzle to ATFD feed tank from the existing MEE to be of 50 NB.