Questar Overthrust Pipeline Company

Second Revised Volume No. 1-A

Effective Date: 04/25/2007, Docket: RP07-360-000, Status: Effective

Original Sheet No. 86 Original Sheet No. 86 : Effective

GENERAL TERMS AND CONDITIONS

(a) Day Prior to Gas Flow (Central Clock Times):

(i) The Timely Nomination Cycle: 11:30 a.m. for

nominations leaving control of the nominating party; 11:45 a.m. for receipt

of nominations by Overthrust; noon to send quick response; 3:30 p.m. for

receipt of completed confirmations by Overthrust from upstream and downstream

connected parties; 4:30 p.m. for receipt of scheduled quantities by Shipper

and point operator.

(ii) The Evening Nomination Cycle: 6:00 p.m. for

nominations leaving control of the nominating party; 6:15 p.m. for receipt of

nominations by Overthrust; 6:30 p.m. to send quick response; 9:00 p.m. for

receipt of completed confirmations by Overthrust from upstream and downstream

connected parties; 10:00 p.m. for Overthrust to provide scheduled quantities

to affected Shippers and point operators, and to provide scheduled quantities

to bumped parties (notice to bumped parties).

Scheduled quantities resulting from an evening nomination

that do not cause another Shipper on Overthrust's system to receive notice

that it is being bumped will be effective at 9:00 a.m. on gas day; and when

an evening nomination causes another Shipper on Overthrust's system to

receive notice that it is being bumped, the scheduled quantities shall be

effective at 9:00 a.m. on gas day.

(b) Day of Gas Flow (Central Clock Times):

(i) The Intraday 1 Nomination Cycle: 10:00 a.m. for

nominations leaving control of the nominating party; 10:15 a.m. for receipt

of nominations by Overthrust; 10:30 a.m. to send quick response; 1:00 p.m.

for receipt of completed confirmations by Overthrust from upstream and

downstream connected parties; 2:00 p.m. for Overthrust to provide scheduled

quantities to affected Shippers and point operators, and to provide scheduled

quantities to bumped parties (notice to bumped parties). Scheduled

quantities resulting from intraday 1 nominations shall be effective at 5:00

p.m. on gas day.