GENERAL TERMS AND CONDITIONS

(continued)


 


 

(i) Normal Mode shall be implemented when system

conditions do not warrant a correction in flow, and

when no known threat to system conditions exist.


 

(ii) Alert Mode shall be implemented when system

conditions warrant a correction in flow, or when a

threat to system conditions exist.


 

(iii) Critical Mode shall be implemented when system

conditions warrant a prompt or immediate correction

in flow or when an event has occurred or is occurring

that jeopardizes the Pipeline's system integrity.


 

(c) When Pipeline changes the operating condition from Normal to

Alert, Alert to Normal, Alert to Critical, Critical to

Alert, Normal to Critical or Critical to Normal, Pipeline

shall provide notice to Shippers by posting such change on

the Pipeline's Internet Web Site. Notices to implement an

OFO under GT&Cs Section 9 or to change to or from a Critical

Mode shall be delivered to Shippers by the Pipeline's

Internet Web Site pursuant to the terms of GT&Cs Sections 29

and 36. Notices shall be given as soon as practicable but

no shorter than the notice periods set forth below:


 

(i) for Alert Mode Notice: at least 24 hours prior to

the beginning of the Gas Day to which the notice

applies;


 

(ii) for Critical Mode Notice: at least 2 hours,

unless an immediate response is required for

exigent circumstances prior to the effective time

of the notice. Such notice shall specify the

beginning time of the OFO and such OFO shall

remain in effect until cancelled by Pipeline. In

the notice Pipeline shall specify the reason for

the OFO and the expected conditions that would

cause release of the order.