Gulf South Pipeline Company L P

Sixth Revised Volume No. 1

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Effective Date: 10/01/2002, Docket: RP02-421-000, Status: Effective

Second Revised Sheet No. 2416 Second Revised Sheet No. 2416 : Effective

Superseding: First Revised Sheet No. 2416


Section 17



1.4.1 Nomination

1.4.2 Nomination Quick Response

1.4.3 Request for Confirmation

1.4.4 Confirmation Response

1.4.5 Scheduled Quantity

1.4.6 Scheduled Quantity for Operator

1.4.7 Confirmation Response Quick Response


2.2.1 An OBA is a contract between two parties which specifies the

procedures to manage operating variances at an interconnect.


2.2.2 Operational Impact Area is the term used to describe a

Transportation Service Provider's designation of the largest

possible area(s) on its system in which imbalances have a similar

operational effect.


2.2.3 Netting is the term used to describe the process of resolving

imbalances for a Service Requester within an Operational Impact

Area. There are two types of Netting:

1) summing is the accumulation of all imbalances above any

applicable tolerances for a Service Requester or agent,

2) offsetting is the combination of positive and negative

imbalances above any applicable tolerances for a Service

Requester or agent.


2.3.1 PDA data elements should be standardized.


2.3.2 Two welded parties should agree on who submits a pre-determined

allocation methodology and who allocates at the point before the

gas flows.


2.3.22 The responsibility for calculation and reporting of allocated

quantities should rest with the party responsible for accepting

GISB allocation types. The party receiving nominations should

provide allocation statements.


2.3.23 As a minimum, allocations should be provided by both contract and



2.3.25 The data elements should accommodate multi-tier allocations. If a

transportation service provider chooses to support multi-tier

allocations or already accepts multi-tier allocations, the data

elements should accommodate it.


2.3.27 Allocated quantities and imbalances should be expressed in the

same units as the nominated quantities.