This standard provides intake design recommendations for both suction pipes and all types of wet pits. While specific intake design is beyond he scope of the pump manufacturer's responsibility, their comments may be helpful to the intake designer.
HI 9.8-1998 history
2024HI 9.8-2018 Rotodynamic Pumps for Pump Intake Design
2024HI 9.8-2012 Intake Design For Rotodynamic Pumps