Eastern Shore Natural Gas Company

Second Revised Volume No. 1

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Effective Date: 10/01/2002, Docket: RP02-449-001, Status: Effective

First Revised Sheet No. 157 First Revised Sheet No. 157 : Effective

Superseding: Original Sheet No. 157





21. Nominations and Scheduling of Transportation Services



(f) Delivery Point Area - Predetermined Allocations (PDA)


(1) PDA is an agreement between Transportation

Service Provider and Delivery Point Operator(s),

prior to the beginning of the Gas Day, to allocate

the difference between the scheduled daily quantity

and the actual daily flow of gas at the Delivery

Point Area in a mutually agreeable manner.


The Delivery Point Operator(s) shall submit a

proposed PDA. The list of allocation methodology

types agreed upon are: ranked, pro rata, percentage,

swing, and operator provided value. The types of

allocation methodologies is a list from which two

parties may agree. If the two parties cannot agree

upon an allocation methodology, pro rata based upon

confirmed nominations should be used as the default

method. The party responsible for custody transfer

(the party performing the measurement function)

should provide the allocation.


(2) If the upstream interconnecting pipeline(s) do not

confirm entire quantities nominated by Service

Requester to Transportation Service Provider's

Point(s) of Receipt then Transportation Service

Provider will use Service Requester's provided

rankings to make reductions in deliveries to

Delivery Point Area(s) during the scheduling process

provided the rankings do not conflict with other

provisions of Transportation Service Provider's FERC

Gas Tariff.


(3) Changes to a PDA may be made prospectively during

the Month. Only one PDA may be applied per Gas

Day per Delivery Point Operator.