Columbia Gulf Transmission Company

Second Revised Volume No. 1

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Effective Date: 10/01/2002, Docket: RP02-475-001, Status: Effective

Fifth Revised Sheet No. 155 Fifth Revised Sheet No. 155 : Effective

Superseding: Fourth Revised Sheet No. 155




(f) Shipper shall have the option to either submit overrun quantities (nominations under firm

contracts in excess of its Maximum Daily Quantity (MDQ)) as a separate nomination or within the aggregate sum

of all nominations. When nominations for overrun quantities are submitted as a separate transaction, they

must be identified as such by using the appropriate nomination transaction type.


(g) Except for intra-day nominations, Shipper may nominate for several days, months or years in one

day increments provided such nomination is within the begin and end dates of Shipper's Service Agreement.


(h) Shipper may submit intraday nominations according to the deadlines noted in Section 6.2(e). For

services that provide for intraday nominations and scheduling, there is no limitation as to the number of

intraday nominations which Shipper may submit at any one standard nomination cycle or in total across all

standard nomination cycles. Such intraday nominations may be used to request increases or decreases in total

flow, changes to receipt points, changes to delivery points, or to nominate new supply or market. All

intraday nominations shall be based on a daily quantity. Intraday nominations shall include an effective

date and time. The interconnected parties shall agree on the hourly flow of the intraday nomination, if not

otherwise addressed in Transporter's contract or tariff. During any Gas Day of interruption pursuant to

Section 16 (Interruptions of Service), a Shipper may not make intraday changes to receive or take gas if such

change would cause interruption of a Shipper using that receipt or delivery point as a firm secondary point

during that Gas Day. Shipper may make any such intraday changes only if the following requirements and

conditions are satisfied:


(1) actual flows consistent with the requested nominations are confirmed at receipt and

delivery points;


(2) Shipper's tenders or takes (i) during any 8-hour period may not exceed 40 percent of

Shipper's Transportation Demand, and (ii) during any 24-hour period do not exceed Shipper's

Transportation Demand, provided that all deliveries do not exceed the applicable maximum hourly

limitations specified in Section 9 (Operating Conditions) of the General Terms and Conditions;


(3) Shipper's revised nominations during a Day under no circumstances fall below the Elapsed-

prorated-scheduled quantity up to the effective time of the revised nominations; and


(4) Nominations received after the nomination deadline shall be scheduled after nominations

received before the nomination deadline.


(i) Shippers shall cause, by whatever means necessary, the interconnecting operator of each point of

receipt and each point of delivery designated in any nomination, or change in nomination submitted by Shipper

to confirm all such nominations or changes in nominations, in accordance with the timelines specified in

Section 6.2(e) and also to comply with GISB standard confirmation data sets.


(j) Transporter shall electronically on its EBB make available to Shipper on a daily basis Shipper's

imbalance status or information from which Shipper can determine its imbalance status. Such daily electronic

updates by Transporter shall be based upon the data available to Transporter at that time, and shall

constitute notice to Shipper for purposes of the application of imbalance penalties, as set forth in Section

19 (Penalties) of the General Terms and Conditions and elsewhere in this Tariff. To avoid the imbalance

penalties described in this Tariff, Shipper shall eliminate imbalances in its account as soon as possible but

in no event later than the last day of the Month in which such notice is received.