6.5        Miscellaneous Site Elements

6.5.1            Curb and Gutter

Only Combination Curb and Gutter shall be used as per MDSHA Standard 620.02. Straight Curb shall not be used under any circumstances.

6.5.2            Bollards

All bollards installed at BWI Marshall and Martin State Airports shall be concrete filled galvanized schedule 40 pipe not less than six (6) inches in diameter, painted yellow.

Bollards shall be covered with a yellow, 1/8” thick HDPE bollard post cover, securely fastened to the bollard in accordance with the manufacturer’s recommendations. Sleeve height shall be from the top of the surrounding pavement to the top of the exposed pipe. Two red, reflective, 1-inch thick recessed bands shall be located within the top 18” of the bollard cover. Bollard cover manufacturer shall provide at least five (5) year warranty against warping, cracking, and fading.

Bollard placement shall be designed to protect buildings and other valuable assets from vehicular and mobile equipment impact without impeding access to the protected asset. Assets to be protected included, but are not limited to, above ground tanks, platforms, loading bridge foundations, generators, guard booths, baggage handling systems, etc. In the instance of fire hydrants and standpipes, the provision of, and location of, bollards will be subject to approval by the MDOT MAA Fire Marshal and bollards shall not be located in front of, or within three (3) feet of a fire hydrant steamer connection.

6.5.3            Power Gate Loops

The installation of the gate loop wire inside a plastic conduit pipe shall be mandatory when new concrete pad is poured.