Which part of 44 CFR 60.3 addresses areas with a FIRM but lacking base flood elevations?

The correct part of 44 CFR 60.3 that addresses areas with a Flood Insurance Rate Map (FIRM) but lacking base flood elevations is indeed 44 CFR 60.3 (b). This specific section lays out requirements for communities to establish regulations that aim to minimize flood risk in areas where base flood elevations are not provided, often referred to as Coastal A Zones or areas that are otherwise mapped without detailed hydrologic and hydraulic studies.

In these scenarios, the community is guided to use approximate methodologies to evaluate flood risks. This can include establishing special flood hazard areas based on the information available and adopting floodplain management standards that dictate how to manage construction and land use in those zones. This helps ensure that even in the absence of specific elevation data, local governments can take proactive measures to protect residents and infrastructure from potential flooding.

The other options refer to different aspects of floodplain management requirements, such as general standards for floodplain development or other specific provisions that do not focus on areas lacking base flood elevations. Each of these sections has its objectives, addressing different facets of floodplain management and community planning.