and beneath the facilities may not need obstruction lights if they are shielded by other obstacles Waivers
must be maintained for facilities or obstructions that affect TERPS criteria, and these obstructions must be
marked and lighted in accordance with AFI 32-1042 and AFMAN 32-1076.
A19.4. Future Development of the Area within the BRL Control Lines.
A19.4.1. Future construction within this area is allowed, but only for flight-line related facilities within
the following Category Groups: 11, Airfield Pavements; 12, Petroleum Dispensing and Operating
Facilities; 13, Communications, Navigational Aids, and Airfield Lighting; 14, Land Operations
Facilities; 21, Maintenance Facilities; 44 and 45, Storage Facilities Covered, Open and Special
Purpose; 61, Administrative Facilities; 73, Personnel Support; 85, Roadway Facilities; 86, Railroad
Trackage; and 87, Ground Improvement Structures. Utilities and ancillary systems for these types of
structures are authorized. See AFH 32-1084, Standard Facility Requirements Handbook, for additional
A19.4.2. Existing facilities that are not within the category groups listed above may remain within the
exempt zone created by establishing the BRL control lines. However, they must be relocated outside
of this area when the facility is replaced.
A19.5. Documentation and Reporting. Update base maps (E-Tabs) and the USAF Airfield Obstruction
Database to exclude the items eliminated by establishing the BRL and provide the updated database to HQ
A19.6. Implementation. These instructions were to be implemented in sufficient time to provide an
updated obstruction database to HQ AFCESA by 30 Jun 01.
A19.7. Future Modifications to BRLs. BRLs may not be modified after they are established except to
remove them from the airfield obstruction map if and when all exempt facilities are eventually relocated.