Questar Southern Trails Pipeline Company
Original Volume No. 1
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Effective Date: 01/23/2006, Docket: RP06-154-000, Status: Effective
First Revised Sheet No. 85 First Revised Sheet No. 85 : Effective
Superseding: Original Sheet No. 85
GENERAL TERMS AND CONDITIONS
adjustments in order to maintain a thermal balance of receipts and deliveries.
(b) Southern Trails shall monitor, to the extent of its ability,
receipts and deliveries of gas as compared to quantities nominated by Shipper,
and, based upon available information, advise Shipper of any imbalances. Upon
notification, Shipper shall be obligated to adjust its receipts and deliveries
to correct or avoid any imbalance between nominations and actual receipt or
delivery. Any adjustment to receipts and deliveries by Shipper, whether or
not pursuant to notification from Southern Trails, shall be coordinated with
Southern Trails' Customer Service representatives and in accordance with
Southern Trails' scheduling procedures.
15.2 Daily Operating Tolerance. A Shipper must maintain a daily
thermal balance between receipts and deliveries within the ± 2.5% daily
Southern Trails will notify a Shipper upon determination that the
Shipper's receipts and deliveries exceed the ± 2.5% daily imbalance tolerance.
After notification by Southern Trails that an adjustment is necessary to keep
its system in balance, a Shipper will be afforded reasonable opportunity to
remedy its imbalance consistent with existing operational conditions. If the
imbalance is not corrected within the time specified, Southern Trails will
take whatever action it deems necessary to remedy the imbalance situation.
Southern Trails will make daily imbalance information available through
Questline each day for the prior gas day.
If required to maintain operational stability and system integrity,
Southern Trails will adjust all receipts and deliveries on its system, even if
Shippers are within the ± 2.5% imbalance tolerance limits.
Adjustments at each transmission transfer meter will be made according
to the applicable Operational Balancing Agreement (OBA) or pre-determined
allocation arrangement (PDA) with operators upstream and downstream of
Southern Trails' transmission system. Absent an OBA or PDA, adjustments will