Understanding California's NPC-5

As California strengthens its healthcare infrastructure against natural disasters, NPC-5 compliance has become a critical benchmark for hospitals across the state. But what it NPC-5, why does it matter, and how can Romtec Utilities help?

What Is NPC-5?

NPC-5 stands for Nonstructural Performance Category 5, the highest level of nonstructural seismic safety required by the California Department of Health Car Access and Information. It ensures that acute care hospital facilities can maintain 72 hours of continuous operations during an earthquake, or other emergencies, by securing essential utilities like water, sewer, and fuel.

Emergency Water Supply

One of the most critical components of NPC-5 is the emergency water supply. According to the plumbing code hospitals must:

• Store at least 150 gallons of potable water per licensed bed (based on 50 gallons, per day, per bed, for 72 hours)
• Provide additional industrial process water to support essential hospital utilities and equipment. 
• Ensure minimum on-site water storage of 5,000 gallons.
• Maintain sufficient water pressure using gravity, pressure tanks, or booster pumps connected to emergency power.

Who Must Comply?

All general acute care hospitals in California must meet NPC-5 standards by January 1, 2030. However, new seismically separate buildings must be compliant at the time of occupancy.

How Romtec Utilities Can Help

Romtec Utilities specializes in engineered pump stations and emergency water systems that meet the requirements of NPC-5.

Engineered water storage and pump systems: Romtec designs and supplies custom water storage tanks, booster pump stations, and control panels that ensure consistent water pressure and flow.

Seismic-Resilient Infrastructure: All systems are built to meet California Building Code seismic standards, as well as site-specific requirements, to ensure durability and functionality in the event of an earthquake.

Support: Romtec provides:

• Design & Engineering
• Specifications Writing
• Manufacturing & Supply
• On-Site Construction Advising
• Start-up Management & Training

Water Rationing Plan

Hospital must submit a water conservation/water rationing plan that:

• Details how water will be used and conserved during emergencies. 
• Accounts for losses in closed-loop systems.
• Includes provisions for water replenishment and portable dispensing.
• Is approved by both HCAI and the California Department of Public Health.