Questar Overthrust Pipeline Company

Second Revised Volume No. 1-A

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

Original Sheet No. 10 Original Sheet No. 10 : Effective

RATE SCHEDULE FT

FIRM TRANSPORTATION SERVICE

1. AVAILABILITY

This rate schedule is available for firm transportation service on

behalf of any Shipper for service from any receipt point to any delivery

point on the system according to 18 C.F.R. Part 284, Subparts B and G

provided:

(a) Overthrust has available pipeline system capacity to render the

firm service requested; and

(b) Shipper and Overthrust have executed a transportation service

agreement for service under this rate schedule.

2. APPLICABILITY AND CHARACTER OF SERVICE

2.1 Firm Service. The transportation service provided under this rate

schedule:

(a) Shall be firm service performed pursuant to 18 C.F.R. Part

284, Subparts B & G;

(b) Shall apply to all gas transported by Overthrust for Shipper

under this rate schedule up to the reserved daily capacity (RDC) as defined

in § 1.30 of the General Terms and Conditions and specified in the transport-

tation service agreement;

(c) Shall be subject to curtailment as provided in § 11 of the

General Terms and Conditions; and

(d) Shall be provided according to the availability determined

by § 11 of the General Terms and Conditions.

2.2 Authorized Overrun Service. Upon request of Shipper, and if

capacity is available, Overthrust will transport and deliver volumes of gas

in excess of Shipper's RDC. The service (a) shall be available only to the

extent it does not impair Overthrust's ability to render service under any

other rate schedule (including service up to the total con-