Questar Overthrust Pipeline Company
Second Revised Volume No. 1-A
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Effective Date: 12/15/2007, Docket: RP08- 71-000, Status: Effective
First Revised Sheet No. 90 First Revised Sheet No. 90 : Effective
Superseding: Original Sheet No. 90
GENERAL TERMS AND CONDITIONS
If required to maintain operational stability and system integrity,
Overthrust will adjust all receipts and deliveries on its system, even if
shippers are within the ± 10% imbalance tolerance limits.
Adjustments at each transmission transfer meter will be made according
to the affected Shipper's operational balancing agreement (OBA) or pre-
determined allocation arrangement (PDA) with operators upstream of
Overthrust's transmission system. Absent written notice to Overthrust of an
OBA or PDA reflecting agreement of all affected Shippers' deliveries of gas
to Overthrust at a given transfer meter, adjustments will be made pro rata
according to each Shipper's scheduled daily nomination. Overthrust must be
notified immediately of any changes to an existing OBA or PDA. Shipper shall
provide Overthrust a copy of any document effecting changes to an OBA or PDA
immediately upon execution.
16.2 Monthly Balancing.
(a) A Shipper must maintain a monthly balance between net
receipts (receipts less gas used, lost, gained or unaccounted-for gas) and
deliveries within the ± 10% imbalance tolerance.
(b) For the determination of monthly imbalances, Shippers'
receipt or delivery volumes at each MAP point shall be allocated according to
the upstream or downstream operator's operational balancing agreement (OBA)
or pre-determined allocation (PDA). Absent an OBA or PDA, volumes will be
allocated pro rata based on each Shipper's scheduled nomination.
(c) When adjustments become operationally necessary, adjustments
at each MAP point will be determined according to the OBA or PDA in place at
the time the volumes were received or delivered. Absent an OBA or PDA,
adjustments will be pro rata according to each Shipper's daily scheduled
(d) Overthrust will make monthly imbalance information
available to all Shippers through Questline on or before the 9th business day
of each month following the month during which gas was transported. An
imbalance statement will be tendered to Shipper with Shipper's monthly bill
issued according to § 17 of these General Terms and Conditions.