Hot Weather Alert means the notice provided by PJM to PJM Members, Transmission Owners, resource owners and operators, customers, and regulators to prepare personnel and facilities for extreme hot and/or humid weather conditions which may cause capacity requirements and/or unit unavailability to be substantially higher than forecast are expected to persist for an extended period.
Cold Weather Alert means the notice that PJM provides to PJM Members, Transmission Owners, resource owners and operators, customers, and regulators to prepare personnel and facilities for expected extreme cold weather conditions.
Fire alarm system means a system designed to detect and annunciate the presence of fire, or by-products of fire. Fire alarm system includes smoke detectors.
Landing means the level portion of a stairs located between flights of stairs or located at the top and foot of a stairs.
Constructor means a Principal Participant or subcontractor retained by the Design-Builder, who is involved in the actual construction of the Project.