Each window shall be fully supplied with window panes which are without open cracks or holes.
Each window sash shall be in good condition and shall fit reasonably well within its frame.
Each window, other than fixed windows, shall be capable of being easily opened and held in open or closed position by window hardware.
Each door, transom, side light, skylight, door hinge, and door latch shall be in good condition.
Each exterior door, when closed, shall fit reasonably well within its frame and shall be equipped with a lock which will permit easy egress without a key but will prevent entrance to the multi-unit dwelling without a key unless the door is opened from the inside, electrically or otherwise, by one (1) of the tenants or by an employee of the building owner.
All windows, doors, and their frames shall be constructed and maintained in relation to each other and to wall construction to do the following:
Each basement hatchway shall be constructed and maintained to prevent the entrance of rodents, rain, and surface drainage water into the dwelling.
D.C. Mun. Regs. tit. 14, r. 14-705