Four-Point Deadbolt Locking

Locksets shall be Securitech mortise locksets, series 5400. The door shall be deadbolted in four locations: The primary horizontal deadbolt shall project from the lock body and a top and bottom deadbolt shall project into the header and saddle. The hinge-edge of the door shall have a stationary deadbolt to create a four-point locking system.

Locksets are to be installed into the door in the standard A.N.S.I. A156.13, mortise preparation and shall contain necessary parts to accept top and bottom deadbolt rods. Top and bottom deadbolt caps shall be hardened steel.

Note on door preparation:

Wood and steel insulated doors are to be prepared with channels for top and bottom deadbolts, as specified on the manufacturer's template.

The locksets' functions shall correspond to the appropriate A.N.S.I. function designation (e.g. F01) as listed on the detail for each individual opening.

The interior and exterior trim and knob or lever design shall be Securitech type 10.