PWP.B - Brittle pipes

The following models are available:

PWP.B.GF | Brittle potable water pipe (cast iron, asbestos cement, concrete, gas-welded steel, or pre-1935 steel of unknown weld type) under ground failure.

Hazus repair rate PGD^0.56 repairs per km for a liquefaction probability of 1 (Table 8-12, PWP1), multiplied by a 20 ft (0.006096 km) segment length and capped at 1.

Suggested Block Size: 1 EA (round up to integer quantity)


FEMA. 2024. Hazus Earthquake Model Technical Manual, Hazus 6.1. Federal Emergency Management Agency, Washington, D.C. https://www.fema.gov/sites/default/files/documents/fema_hazus-earthquake-model-technical-manual-6-1.pdf

PWP.B.GS | Brittle potable water pipe (cast iron, asbestos cement, concrete, gas-welded steel, or pre-1935 steel of unknown weld type) under ground shaking.

Hazus repair rate 0.0001 × PGV^2.25 repairs per km (Table 8-12, PWP1), multiplied by a 20 ft (0.006096 km) segment length and capped at 1.

Suggested Block Size: 1 EA (round up to integer quantity)


FEMA. 2024. Hazus Earthquake Model Technical Manual, Hazus 6.1. Federal Emergency Management Agency, Washington, D.C. https://www.fema.gov/sites/default/files/documents/fema_hazus-earthquake-model-technical-manual-6-1.pdf