EXHIBIT 10.5

SCHEDULE D-1

CHANGE ORDER FORM

(for use when the Parties mutually agree upon and execute the Change Order pursuant to Section 6.1B or 6.2C)

The Agreement between the Parties listed above is changed as follows: (attach additional documentation if necessary)

Willbros Construction change order for work associated with the 16” Bridgeline Interconnect piping. This change order includes charge from January 3^rd thru February 22^nd. Work is complete.

Adjustment to dates in Project Schedule

The following dates are modified (list all dates modified; insert N/A if no dates modified):

The Target Bridgeline Mechanical Completion Date will be (increased)(decreased)(unchanged) by zeo (0) Days.

The Target Bridgeline Mechanical Completion Date as of the date of this Change Order therefore is February 19, 2008.

(attach additional documentation if necessary)

The Guaranteed Mechanical Completion Date will be (increased)(decreased)(unchanged) by zero (0) Days.

The Guaranteed Mechanical Completion Date as of the date of this Change Order therefore is March 6, 2008.

(attach additional documentation if necessary)

The Target Final Completion Date will be (increased)(decreased)(unchanged) by zero (0) Days.

The Target Final Completion Date as of the date of this Change Order therefore is May 5, 2008.

(attach additional documentation if necessary)

Adjustment to other Changed Criteria (insert N/A if no changes or impact; attach additional documentation if necessary)

Upon execution of this Change Order by Owner and Contractor, the above-referenced change shall become a valid and binding part of the original Agreement without exception or qualification, unless noted in this Change Order. Except as modified by this and any previously issued Change Orders, all other terms and conditions of the Agreement shall remain in full force and effect. This Change Order is executed by each of the Parties’ duly authorized representatives.

D-2

SCHEDULE D-1

CHANGE ORDER FORM

(for use when the Parties mutually agree upon and execute the Change Order pursuant to Section 6.1B or 6.2C)

The Agreement between the Parties listed above is changed as follows: (attach additional documentation if necessary)

Willbros Construction change order for work associated with the 16” Off-set for NPGL to Kinder Morgan Station construction. Includes charge from January 17^th thru March 16^th. Work is completed.

Adjustment to dates in Project Schedule

The following dates are modified (list all dates modified; insert N/A if no dates modified):

The Target Bridgeline Mechanical Completion Date will be (increased) (decreased) (unchanged) by zero (0) Days.

The Target Bridgeline Mechanical Completion Date as of the date of this Change Order therefore is February 19, 2008.

(attach additional documentation if necessary)

The Guaranteed Mechanical Completion Date will be (increased)(decreased)(unchanged) by zero (0) Days.

The Guaranteed Mechanical Completion Date as of the date of this Change Order therefore is March 6, 2008.

(attach additional documentation if necessary)

The Target Final Completion Date will be (increased) (decreased) (unchanged) by zero (0) Days.

The Target Final Completion Date as of the date of this Change Order therefore is May 5, 2008.

(attach additional documentation if necessary)

Adjustment to other Changed Criteria (insert N/A if no changes or impact; attach additional documentation if necessary)

Upon execution of this Change Order by Owner and Contractor, the above-referenced change shall become a valid and binding part of the original Agreement without exception or qualification, unless noted in this Change Order. Except as modified by this and any previously issued Change Orders, all other terms and conditions of the Agreement shall remain in full force and effect. This Change Order is executed by each of the Parties’ duly authorized representatives.

D-2

SCHEDULE D-1

CHANGE ORDER FORM

(for use when the Parties mutually agree upon and execute the Change Order pursuant to Section 6.1B or 6.2C)

The Agreement between the Parties listed above is changed as follows: (attach additional documentation if necessary)

Add ladder to east end of walkway on Bridgeline Platform meter skid. Cheniere requested to have two means of access and egress.

Adjustment to dates in Project Schedule

The following dates are modified (list all dates modified; insert N/A if no dates modified):

The Target Bridgeline Mechanical Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Target Bridgeline Mechanical Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

The Guaranteed Mechanical Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Guaranteed Mechanical Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

The Target Final Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Target Final Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

Adjustment to other Changed Criteria (insert N/A if no changes or impact; attach additional documentation if necessary)

Upon execution of this Change Order by Owner and Contractor, the above-referenced change shall become a valid and binding part of the original Agreement without exception or qualification, unless noted in this Change Order. Except as modified by this and any previously issued Change Orders, all other terms and conditions of the Agreement shall remain in full force and effect. This Change Order is executed by each of the Parties’ duly authorized representatives.

D-2

SCHEDULE D-1

CHANGE ORDER FORM

(for use when the Parties mutually agree upon and execute the Change Order pursuant to Section 6.1B or 6.2C)

The Agreement between the Parties listed above is changed as follows: (attach additional documentation if necessary)

Hand rail modification to allow 16” inlet and outlet piping clearance for bolt-up to Brdigeline skid. Also includes handrail modification to allow piping clearance for 30” inlet and 24” outlet to Southwest Lateral skid, and 16” inlet and outlet piping to NGPL.

Adjustment to dates in Project Schedule

The following dates are modified (list all dates modified; insert N/A if no dates modified):

The Target Bridgeline Mechanical Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Target Bridgeline Mechanical Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

The Guaranteed Mechanical Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Guaranteed Mechanical Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

The Target Final Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Target Final Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

Adjustment to other Changed Criteria (insert N/A if no changes or impact; attach additional documentation if necessary)

Upon execution of this Change Order by Owner and Contractor, the above-referenced change shall become a valid and binding part of the original Agreement without exception or qualification, unless noted in this Change Order. Except as modified by this and any previously issued Change Orders, all other terms and conditions of the Agreement shall remain in full force and effect. This Change Order is executed by each of the Parties’ duly authorized representatives.

D-2

SCHEDULE D-1

CHANGE ORDER FORM

(for use when the Parties mutually agree upon and execute the Change Order pursuant to Section 6.1B or 6.2C)

The Agreement between the Parties listed above is changed as follows: (attach additional documentation if necessary)

Per WEI, Willbros grinded out welds and relocated RTU building on Bridgeline platform to accommodate for cable enclosure box.

Adjustment to dates in Project Schedule

The following dates are modified (list all dates modified; insert N/A if no dates modified):

The Target Bridgeline Mechanical Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Target Bridgeline Mechanical Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

The Guaranteed Mechanical Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Guaranteed Mechanical Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

The Target Final Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Target Final Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

Adjustment to other Changed Criteria (insert N/A if no changes or impact; attach additional documentation if necessary)

Upon execution of this Change Order by Owner and Contractor, the above-referenced change shall become a valid and binding part of the original Agreement without exception or qualification, unless noted in this Change Order. Except as modified by this and any previously issued Change Orders, all other terms and conditions of the Agreement shall remain in full force and effect. This Change Order is executed by each of the Parties’ duly authorized representatives.

D-2

SCHEDULE D-1

CHANGE ORDER FORM

(for use when the Parties mutually agree upon and execute the Change Order pursuant to Section 6.1B or 6.2C)

The Agreement between the Parties listed above is changed as follows: (attach additional documentation if necessary)

Change 42”x12” tee with a 42”x16” with 16”x12” eccentric reducer on drawing #SP-18-M-000-P-915.

Adjustment to dates in Project Schedule

The following dates are modified (list all dates modified; insert N/A if no dates modified):

The Target Bridgeline Mechanical Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Target Bridgeline Mechanical Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

The Guaranteed Mechanical Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Guaranteed Mechanical Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

The Target Final Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Target Final Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

Adjustment to other Changed Criteria (insert N/A if no changes or impact; attach additional documentation if necessary)

Upon execution of this Change Order by Owner and Contractor, the above-referenced change shall become a valid and binding part of the original Agreement without exception or qualification, unless noted in this Change Order. Except as modified by this and any previously issued Change Orders, all other terms and conditions of the Agreement shall remain in full force and effect. This Change Order is executed by each of the Parties’ duly authorized representatives.

D-2

SCHEDULE D-1

CHANGE ORDER FORM

(for use when the Parties mutually agree upon and execute the Change Order pursuant to Section 6.1B or 6.2C)

The Agreement between the Parties listed above is changed as follows: (attach additional documentation if necessary)

Additional work per drawing #SP-18-M-0005-P-912 Rev. 1&2. Includes (2) additional 24” welds for (1) 24” x 11’-3” spool piece, as well as the difference between a 24” and 30” weld for the change out of a 90 degree ell from 24” to 30”.

Adjustment to dates in Project Schedule

The following dates are modified (list all dates modified; insert N/A if no dates modified):

The Target Bridgeline Mechanical Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Target Bridgeline Mechanical Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

The Guaranteed Mechanical Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Guaranteed Mechanical Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

The Target Final Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Target Final Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

Adjustment to other Changed Criteria (insert N/A if no changes or impact; attach additional documentation if necessary)

Upon execution of this Change Order by Owner and Contractor, the above-referenced change shall become a valid and binding part of the original Agreement without exception or qualification, unless noted in this Change Order. Except as modified by this and any previously issued Change Orders, all other terms and conditions of the Agreement shall remain in full force and effect. This Change Order is executed by each of the Parties’ duly authorized representatives.

D-2

SCHEDULE D-1

CHANGE ORDER FORM

(for use when the Parties mutually agree upon and execute the Change Order pursuant to Section 6.1B or 6.2C)

The Agreement between the Parties listed above is changed as follows: (attach additional documentation if necessary)

Sandblast and FBE coat underground pipe and fittings due to client providing bare pipe and fittings. Coated (3) 16” ell’s, (2) 16” 45’s, (1) 12” ell, (3) 24” 45’s, (1) 42” tee, (1) 42” cap, (1) 12” eccentric reducer, (1) 42”x16” reducing tee, and (1) 16”x12” concentric reducer.

Adjustment to dates in Project Schedule

The following dates are modified (list all dates modified; insert N/A if no dates modified):

The Target Bridgeline Mechanical Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Target Bridgeline Mechanical Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

The Guaranteed Mechanical Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Guaranteed Mechanical Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

The Target Final Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Target Final Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

Adjustment to other Changed Criteria (insert N/A if no changes or impact; attach additional documentation if necessary)

Upon execution of this Change Order by Owner and Contractor, the above-referenced change shall become a valid and binding part of the original Agreement without exception or qualification, unless noted in this Change Order. Except as modified by this and any previously issued Change Orders, all other terms and conditions of the Agreement shall remain in full force and effect. This Change Order is executed by each of the Parties’ duly authorized representatives.

D-2

SCHEDULE D-1

CHANGE ORDER FORM

(for use when the Parties mutually agree upon and execute the Change Order pursuant to Section 6.1B or 6.2C)

The Agreement between the Parties listed above is changed as follows: (attach additional documentation if necessary)

Fabricate and install 2” bypass for gas operated actuator on 42” ball valve not shown on prints. M&R piping phase. Includes Buffalo Gap E&I CCR# 21 & 28.

Adjustment to dates in Project Schedule

The following dates are modified (list all dates modified; insert N/A if no dates modified):

The Target Bridgeline Mechanical Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Target Bridgeline Mechanical Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

The Guaranteed Mechanical Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Guaranteed Mechanical Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

The Target Final Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Target Final Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

Adjustment to other Changed Criteria (insert N/A if no changes or impact; attach additional documentation if necessary)

Upon execution of this Change Order by Owner and Contractor, the above-referenced change shall become a valid and binding part of the original Agreement without exception or qualification, unless noted in this Change Order. Except as modified by this and any previously issued Change Orders, all other terms and conditions of the Agreement shall remain in full force and effect. This Change Order is executed by each of the Parties’ duly authorized representatives.

D-2

Schedule D-1

CHANGE ORDER FORM

(for use when the Parties mutually agree upon and execute the Change Order pursuant to Section 6.1B or 6.2C)

The Agreement between the Parties listed above is changed as follows: (attach additional documentation if necessary)

Bridgeline meter skid modification work completed on T&M basis

Adjustment to Contract Price

Adjustment to dates in Project Schedule

The following dates are modified (list all dates modified; insert N/A if no dates modified):

The Target Bridgeline Mechanical Completion Date will be (increased)(decreased)(unchanged) by                      (    ) Days.

The Target Bridgeline Mechanical Completion Date as of the date of this Change Order therefore is                      , 20    .

(attach additional documentation if necessary)

The Guaranteed Mechanical Completion Date will be (increased)(decreased)(unchanged) by                      (    ) Days.

The Guaranteed Mechanical Completion Date as of the date of this Change Order therefore is                     , 20    .

(attach additional documentation if necessary)

The Target Final Completion Date will be (increased)(decreased)(unchanged) by                      (    ) Days.

The Target Final Completion Date as of the date of this Change Order therefore is                      , 20    .

(attach additional documentation if necessary)

Adjustment to other Changed Criteria (insert N/A if no changes or impact; attach additional documentation if necessary)

Upon execution of this Change Order by Owner and Contractor, the above-referenced change shall become a valid and binding part of the original Agreement without exception or qualification, unless noted in this Change Order. Except as modified by this and any previously issued Change Orders, all other terms and conditions of the Agreement shall remain in full force and effect. This Change Order is executed by each of the Parties’ duly authorized representatives.

SCHEDULE D-1

CHANGE ORDER FORM

(for use when the Parties mutually agree upon and execute the Change Order pursuant to Section 6.1B or 6.2C)

The Agreement between the Parties listed above is changed as follows: (attach additional documentation if necessary)

Addition of new switch rack foundation for disconnect at power pole location. Had to excavate, pour 8cy of concrete and backfill.

Adjustment to dates in Project Schedule

The following dates are modified (list all dates modified; insert N/A if no dates modified):

The Target Bridgeline Mechanical Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Target Bridgeline Mechanical Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

The Guaranteed Mechanical Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Guaranteed Mechanical Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

The Target Final Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Target Final Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

Adjustment to other Changed Criteria (insert N/A if no changes or impact; attach additional documentation if necessary)

Upon execution of this Change Order by Owner and Contractor, the above-referenced change shall become a valid and binding part of the original Agreement without exception or qualification, unless noted in this Change Order. Except as modified by this and any previously issued Change Orders, all other terms and conditions of the Agreement shall remain in full force and effect. This Change Order is executed by each of the Parties’ duly authorized representatives.

D-2

SCHEDULE D-1

CHANGE ORDER FORM

(for use when the Parties mutually agree upon and execute the Change Order pursuant to Section 6.1B or 6.2C)

The Agreement between the Parties listed above is changed as follows: (attach additional documentation if necessary)

Rain event that occurred on January 31, 2008. Project was shut down for 2 hours due to heavy rain.

Adjustment to dates in Project Schedule

The following dates are modified (list all dates modified; insert N/A if no dates modified):

The Target Bridgeline Mechanical Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Target Bridgeline Mechanical Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

The Guaranteed Mechanical Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Guaranteed Mechanical Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

The Target Final Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Target Final Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

Adjustment to other Changed Criteria (insert N/A if no changes or impact; attach additional documentation if necessary)

Upon execution of this Change Order by Owner and Contractor, the above-referenced change shall become a valid and binding part of the original Agreement without exception or qualification, unless noted in this Change Order. Except as modified by this and any previously issued Change Orders, all other terms and conditions of the Agreement shall remain in full force and effect. This Change Order is executed by each of the Parties’ duly authorized representatives.

D-2

SCHEDULE D-1

CHANGE ORDER FORM

(for use when the Parties mutually agree upon and execute the Change Order pursuant to Section 6.1B or 6.2C)

The Agreement between the Parties listed above is changed as follows: (attach additional documentation if necessary)

Rain event that occurred on January 16, 2008. Project was shut down for 4 hours due to rains.

Adjustment to dates in Project Schedule

The following dates are modified (list all dates modified; insert N/A if no dates modified):

The Target Bridgeline Mechanical Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Target Bridgeline Mechanical Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

The Guaranteed Mechanical Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Guaranteed Mechanical Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

The Target Final Completion Date will be (increased)(decreased)(unchanged) by                  (    ) Days.

The Target Final Completion Date as of the date of this Change Order therefore is                         , 20    .

(attach additional documentation if necessary)

Adjustment to other Changed Criteria (insert N/A if no changes or impact; attach additional documentation if necessary)

Upon execution of this Change Order by Owner and Contractor, the above-referenced change shall become a valid and binding part of the original Agreement without exception or qualification, unless noted in this Change Order. Except as modified by this and any previously issued Change Orders, all other terms and conditions of the Agreement shall remain in full force and effect. This Change Order is executed by each of the Parties’ duly authorized representatives.

D-2

SCHEDULE D-1

CHANGE ORDER FORM

(for use when the Parties mutually agree upon and execute the Change Order pursuant to Section 6.1B or 6.2C)

The Agreement between the Parties listed above is changed as follows: (attach additional documentation if necessary)

Run conduit for chromatograph test plug on bridgeline. Bid was directed and approved by Robert Stephenson on March 11, 2008.

Ref: Buffalo Gap Instrument & Electrical CCR#26

Adjustment to dates in Project Schedule

The following dates are modified (list all dates modified; insert N/A if no dates modified):

The Target Bridgeline Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Target Bridgeline Mechanical Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

The Guaranteed Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Guaranteed Mechanical Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

The Target Final Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Target Final Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

Adjustment to other Changed Criteria (insert N/A if no changes or impact; attach additional documentation if necessary)

Upon execution of this Change Order by Owner and Contractor, the above-referenced change shall become a valid and binding part of the original Agreement without exception or qualification, unless noted in this Change Order. Except as modified by this and any previously issued Change Orders, all other terms and conditions of the Agreement shall remain in full force and effect. This Change Order is executed by each of the Parties’ duly authorized representatives.

D-2

SCHEDULE D-1

CHANGE ORDER FORM

(for use when the Parties mutually agree upon and execute the Change Order pursuant to Section 6.1B or 6.2C)

The Agreement between the Parties listed above is changed as follows: (attach additional documentation if necessary)

Run conduit for remote ultrasonic meter on southwest lateral. Bid was directed and approved by Robert Stephenson on March 11, 2008.

Ref: Buffalo Gap Instrument & Electrical CCR#25

Adjustment to dates in Project Schedule

The following dates are modified (list all dates modified; insert N/A if no dates modified):

The Target Bridgeline Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Target Bridgeline Mechanical Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

The Guaranteed Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Guaranteed Mechanical Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

The Target Final Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Target Final Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

Adjustment to other Changed Criteria (insert N/A if no changes or impact; attach additional documentation if necessary)

Upon execution of this Change Order by Owner and Contractor, the above-referenced change shall become a valid and binding part of the original Agreement without exception or qualification, unless noted in this Change Order. Except as modified by this and any previously issued Change Orders, all other terms and conditions of the Agreement shall remain in full force and effect. This Change Order is executed by each of the Parties’ duly authorized representatives.

D-2

SCHEDULE D-1

CHANGE ORDER FORM

(for use when the Parties mutually agree upon and execute the Change Order pursuant to Section 6.1B or 6.2C)

The Agreement between the Parties listed above is changed as follows: (attach additional documentation if necessary)

Run sample tubing and heat trace on bridgeline and electrical work. Bid was directed and approved by Robert Stephenson on March 11, 2008.

Ref: Buffalo Gap Instrument & Electrical CCR#23

Adjustment to dates in Project Schedule

The following dates are modified (list all dates modified; insert N/A if no dates modified):

The Target Bridgeline Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Target Bridgeline Mechanical Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

The Guaranteed Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Guaranteed Mechanical Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

The Target Final Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Target Final Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

Adjustment to other Changed Criteria (insert N/A if no changes or impact; attach additional documentation if necessary)

Upon execution of this Change Order by Owner and Contractor, the above-referenced change shall become a valid and binding part of the original Agreement without exception or qualification, unless noted in this Change Order. Except as modified by this and any previously issued Change Orders, all other terms and conditions of the Agreement shall remain in full force and effect. This Change Order is executed by each of the Parties’ duly authorized representatives.

D-2

SCHEDULE D-1

CHANGE ORDER PROPOSAL FORM

(for use when the Parties mutually agree upon and execute the Change Order pursuant to Section 6.1B or 6.2C)

The Agreement between the Parties listed above is changed as follows: (attach additional documentation if necessary)

Purchased converters and cable for southwest lateral panels as directed within email dated March 4, 2008.

Ref: Buffalo Gap Instrument & Electrical CCR#20

Adjustment to dates in Project Schedule

The following dates are modified (list all dates modified; insert N/A if no dates modified):

The Target Bridgeline Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Target Bridgeline Mechanical Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

The Guaranteed Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Guaranteed Mechanical Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

The Target Final Completion Date will be (increased) (decreased)(unchanged) by         TBD         (    ) Days.

The Target Final Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

Adjustment to other Changed Criteria (insert N/A if no changes or impact; attach additional documentation if necessary)

Upon execution of this Change Order by Owner and Contractor, the above-referenced change shall become a valid and binding part of the original Agreement without exception or qualification, unless noted in this Change Order. Except as modified by this and any previously issued Change Orders, all other terms and conditions of the Agreement shall remain in full force and effect. This Change Order is executed by each of the Parties’ duly authorized representatives.

D-2

SCHEDULE D-1

CHANGE ORDER FORM

(for use when the Parties mutually agree upon and execute the Change Order pursuant to Section 6.1B or 6.2C)

The Agreement between the Parties listed above is changed as follows: (attach additional documentation if necessary)

Install 12v DC to 24v DC transmitter and rewiring, termination of converters, purchase of 4 more converters, and install cat 5 cable. Bid was directed and approved by Robert Stephenson on March 11, 2008.

Ref: Buffalo Gap Instrument & Electrical CCR#22

Adjustment to dates in Project Schedule

The following dates are modified (list all dates modified; insert N/A if no dates modified):

The Target Bridgeline Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Target Bridgeline Mechanical Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

The Guaranteed Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Guaranteed Mechanical Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

The Target Final Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Target Final Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

Adjustment to other Changed Criteria (insert N/A if no changes or impact; attach additional documentation if necessary)

Upon execution of this Change Order by Owner and Contractor, the above-referenced change shall become a valid and binding part of the original Agreement without exception or qualification, unless noted in this Change Order. Except as modified by this and any previously issued Change Orders, all other terms and conditions of the Agreement shall remain in full force and effect. This Change Order is executed by each of the Parties’ duly authorized representatives.

D-2

SCHEDULE D-1

CHANGE ORDER FORM

(for use when the Parties mutually agree upon and execute the Change Order pursuant to Section 6.1B or 6.2C)

The Agreement between the Parties listed above is changed as follows: (attach additional documentation if necessary)

For the mounting of two Becker controllers for flow control valves #784 and #785. Needed to add terminal strips to back of the Transco RTU rack and to add cable between the controllers and the RTU rack and terminate as directed within email dated February 28, 2008.

Ref: Buffalo Gap Instrument & Electrical CCR#19

Adjustment to dates in Project Schedule

The following dates are modified (list all dates modified; insert N/A if no dates modified):

The Target Bridgeline Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Target Bridgeline Mechanical Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

The Guaranteed Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Guaranteed Mechanical Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

The Target Final Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Target Final Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

Adjustment to other Changed Criteria (insert N/A if no changes or impact; attach additional documentation if necessary)

Upon execution of this Change Order by Owner and Contractor, the above-referenced change shall become a valid and binding part of the original Agreement without exception or qualification, unless noted in this Change Order. Except as modified by this and any previously issued Change Orders, all other terms and conditions of the Agreement shall remain in full force and effect. This Change Order is executed by each of the Parties’ duly authorized representatives.

D-2

SCHEDULE D-1

CHANGE ORDER FORM

(for use when the Parties mutually agree upon and execute the Change Order pursuant to Section 6.1B or 6.2C)

The Agreement between the Parties listed above is changed as follows: (attach additional documentation if necessary)

For the addition of automitters on each of the four QB Johnson heaters (one on bridgeline and three on southwest lateral) as directed within email dated February 28, 2008.

Ref: Buffalo Gap Instrument & Electrical CCR#18

Adjustment to dates in Project Schedule

The following dates are modified (list all dates modified; insert N/A if no dates modified):

The Target Bridgeline Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Target Bridgeline Mechanical Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

The Guaranteed Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Guaranteed Mechanical Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

The Target Final Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Target Final Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

Adjustment to other Changed Criteria (insert N/A if no changes or impact; attach additional documentation if necessary)

Upon execution of this Change Order by Owner and Contractor, the above-referenced change shall become a valid and binding part of the original Agreement without exception or qualification, unless noted in this Change Order. Except as modified by this and any previously issued Change Orders, all other terms and conditions of the Agreement shall remain in full force and effect. This Change Order is executed by each of the Parties’ duly authorized representatives.

D-2

SCHEDULE D-1

CHANGE ORDER FORM

(for use when the Parties mutually agree upon and execute the Change Order pursuant to Section 6.1B or 6.2C)

The Agreement between the Parties listed above is changed as follows: (attach additional documentation if necessary)

For the installation of 19” rack in the KM control building and complete all terminations. Change order was directed and approved by Al Bartz on February 25, 2008.

Ref: Buffalo Gap Instrument & Electrical CCR#17

Adjustment to dates in Project Schedule

The following dates are modified (list all dates modified; insert N/A if no dates modified):

The Target Bridgeline Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Target Bridgeline Mechanical Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

The Guaranteed Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Guaranteed Mechanical Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

The Target Final Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Target Final Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

Adjustment to other Changed Criteria (insert N/A if no changes or impact; attach additional documentation if necessary)

Upon execution of this Change Order by Owner and Contractor, the above-referenced change shall become a valid and binding part of the original Agreement without exception or qualification, unless noted in this Change Order. Except as modified by this and any previously issued Change Orders, all other terms and conditions of the Agreement shall remain in full force and effect. This Change Order is executed by each of the Parties’ duly authorized representatives.

D-2

ATTACHMENT SCHEDULE D-1

CHANGE ORDER FORM

(for use when the Parties mutually agree upon and execute the Change Order pursuant to Section 6.1B or 6.2C)

The Agreement between the Parties listed above is changed as follows: (attach additional documentation if necessary)

For the purchase and installation of lugs for batteries. The hardware that came with the batteries did not work so additional lugs were purchased that would work as directed within email dated February 28, 2008.

Ref: Buffalo Gap Instrument & Electrical CCR#16

Adjustment to dates in Project Schedule

The following dates are modified (list all dates modified; insert N/A if no dates modified):

The Target Bridgeline Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Target Bridgeline Mechanical Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

The Guaranteed Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Guaranteed Mechanical Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

The Target Final Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Target Final Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

Adjustment to other Changed Criteria (insert N/A if no changes or impact; attach additional documentation if necessary)

Upon execution of this Change Order by Owner and Contractor, the above-referenced change shall become a valid and binding part of the original Agreement without exception or qualification, unless noted in this Change Order. Except as modified by this and any previously issued Change Orders, all other terms and conditions of the Agreement shall remain in full force and effect. This Change Order is executed by each of the Parties’ duly authorized representatives.

D-2

SCHEDULE D-1

CHANGE ORDER FORM

(for use when the Parties mutually agree upon and execute the Change Order pursuant to Section 6.1B or 6.2C)

The Agreement between the Parties listed above is changed as follows: (attach additional documentation if necessary)

Purchased and installed the contacts for starters for the run status on each of the heater blower motors as directed within email dated February 28, 2008.

Ref: Buffalo Gap Instrument & Electrical CCR#15

Adjustment to dates in Project Schedule

The following dates are modified (list all dates modified; insert N/A if no dates modified):

The Target Bridgeline Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Target Bridgeline Mechanical Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

The Guaranteed Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Guaranteed Mechanical Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

The Target Final Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Target Final Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

Adjustment to other Changed Criteria (insert N/A if no changes or impact; attach additional documentation if necessary)

Upon execution of this Change Order by Owner and Contractor, the above-referenced change shall become a valid and binding part of the original Agreement without exception or qualification, unless noted in this Change Order. Except as modified by this and any previously issued Change Orders, all other terms and conditions of the Agreement shall remain in full force and effect. This Change Order is executed by each of the Parties’ duly authorized representatives.

D-2

SCHEDULE D-1

CHANGE ORDER FORM

(for use when the Parties mutually agree upon and execute the Change Order pursuant to Section 6.1B or .2C)

The Agreement between the Parties listed above is changed as follows: (attach additional documentation if necessary)

Ran conduit and pulled wire to the inlet valve in the yard per Cheniere’s request as directed within email dated February 28, 2008.

Ref: Buffalo Gap Instrument & Electrical CCR#14

Adjustment to dates in Project Schedule

The following dates are modified (list all dates modified; insert N/A if no dates modified):

The Target Bridgeline Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Target Bridgeline Mechanical Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

The Guaranteed Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Guaranteed Mechanical Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

The Target Final Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Target Final Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

Adjustment to other Changed Criteria (insert N/A if no changes or impact; attach additional documentation if necessary)

Upon execution of this Change Order by Owner and Contractor, the above-referenced change shall become a valid and binding part of the original Agreement without exception or qualification, unless noted in this Change Order. Except as modified by this and any previously issued Change Orders, all other terms and conditions of the Agreement shall remain in full force and effect. This Change Order is executed by each of the Parties’ duly authorized representatives.

D-2

ATTACHMENT D

FORM OF CHANGE ORDER

SCHEDULE D-1

CHANGE ORDER FORM

(for use when the Parties mutually agree upon and execute the Change Order pursuant to Section 6.1B or 6.2C)

The Agreement between the Parties listed above is changed as follows: (attach additional documentation if necessary)

Addition to bid letter for 3^rd meter for rectifier (cathodic protection). For the purchase and installation of wire for power to the rectifier as directed within email dated March 4, 2008.

Ref: Buffalo Gap Instrument & Electrical CCR#13

Adjustment to dates in Project Schedule

The following dates are modified (list all dates modified; insert N/A if no dates modified):

The Target Bridgeline Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Target Bridgeline Mechanical Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

The Guaranteed Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Guaranteed Mechanical Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

The Target Final Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Target Final Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

Adjustment to other Changed Criteria (insert N/A if no changes or impact; attach additional documentation if necessary)

Upon execution of this Change Order by Owner and Contractor, the above-referenced change shall become a valid and binding part of the original Agreement without exception or qualification, unless noted in this Change Order. Except as modified by this and any previously issued Change Orders, all other terms and conditions of the Agreement shall remain in full force and effect. This Change Order is executed by each of the Parties’ duly authorized representatives.

D-2

SCHEDULE D-1

CHANGE ORDER FORM

(for use when the Parties mutually agree upon and execute the Change Order pursuant to Section 6.1B or 6.2C)

The Agreement between the Parties listed above is changed as follows: (attach additional documentation if necessary)

Lighting contactor: lighting panel was not built to drawing #SP-18-M-001-G-512. The photo-cell will not work without lighting contactor. Work was done as directed within the email dated February 28, 2008.

Ref: Buffalo Gap Instrument & Electrical CCR#12

Adjustment to dates in Project Schedule

The following dates are modified (list all dates modified; insert N/A if no dates modified):

The Target Bridgeline Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Target Bridgeline Mechanical Completion Date as of the date of this Change Order therefore is          TBD        , 20    .

(attach additional documentation if necessary)

The Guaranteed Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Guaranteed Mechanical Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

The Target Final Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Target Final Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

Adjustment to other Changed Criteria (insert N/A if no changes or impact; attach additional documentation if necessary)

Upon execution of this Change Order by Owner and Contractor, the above-referenced change shall become a valid and binding part of the original Agreement without exception or qualification, unless noted in this Change Order. Except as modified by this and any previously issued Change Orders, all other terms and conditions of the Agreement shall remain in full force and effect. This Change Order is executed by each of the Parties’ duly authorized representatives.

    5/2/08

D-2

SCHEDULE D-1

CHANGE ORDER FORM

(for use when the Parties mutually agree upon and execute the Change Order pursuant to Section 6.1B or 6.2C)

The Agreement between the Parties listed above is changed as follows: (attach additional documentation if necessary)

Wire price difference. On southwest lateral platform the load for the QB Johnson heater was increased per the new revision drawing #SP-18-M-001-G-521. Price difference between the original 1000’ of #2 THHN and the #250 THHN is significant due to price of copper. Work was done as directed within the email dated February 28, 2008.

Ref: Buffalo Gap Instrument & Electrical CCR#11

Adjustment to dates in Project Schedule

The following dates are modified (list all dates modified; insert N/A if no dates modified):

The Target Bridgeline Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Target Bridgeline Mechanical Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

The Guaranteed Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Guaranteed Mechanical Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

The Target Final Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Target Final Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

Adjustment to other Changed Criteria (insert N/A if no changes or impact; attach additional documentation if necessary)

Upon execution of this Change Order by Owner and Contractor, the above-referenced change shall become a valid and binding part of the original Agreement without exception or qualification, unless noted in this Change Order. Except as modified by this and any previously issued Change Orders, all other terms and conditions of the Agreement shall remain in full force and effect. This Change Order is executed by each of the Parties’ duly authorized representatives.

D-2

SCHEDULE D-1

CHANGE ORDER FORM

(for use when the Parties mutually agree upon and execute the Change Order pursuant to Section 6.1B or 6.2C)

The Agreement between the Parties listed above is changed as follows: (attach additional documentation if necessary)

Cable and convertors approved by the programmer that were not on the drawings. Bid was directed and approved by James Frisbie on February 5, 2008.

Ref: Buffalo Gap Instrument & Electrical CCR#10

Adjustment to dates in Project Schedule

The following dates are modified (list all dates modified; insert N/A if no dates modified):

The Target Bridgeline Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Target Bridgeline Mechanical Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

The Guaranteed Mechanical Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Guaranteed Mechanical Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

The Target Final Completion Date will be (increased)(decreased)(unchanged) by         TBD         (    ) Days.

The Target Final Completion Date as of the date of this Change Order therefore is         TBD        , 20    .

(attach additional documentation if necessary)

Adjustment to other Changed Criteria (insert N/A if no changes or impact; attach additional documentation if necessary)

Upon execution of this Change Order by Owner and Contractor, the above-referenced change shall become a valid and binding part of the original Agreement without exception or qualification, unless noted in this Change Order. Except as modified by this and any previously issued Change Orders, all other terms and conditions of the Agreement shall remain in full force and effect. This Change Order is executed by each of the Parties’ duly authorized representatives.

D-2

SCHEDULE D-1

CHANGE ORDER FORM

(for use when the Parties mutually agree upon and execute the Change Order pursuant to Section 6.1B or 6.2C)