At this point the road forks into several other minor tunnels dug to house kitchens and an ammunition magazine.

A stone building in the fort precincts has been identified as an ammunition magazine.

The turret armor was strengthened to 10inmm 0, while s ammunition magazine protection was also strengthened to 4.0 in.

The cause was later attributed to a fire in its ammunition magazine.

The street took its name from an ammunition magazine located on the street in colonial times.