TSP Name: Colorado Interstate Gas Company, L.L.C. TSP: 00-691-4865 Notice ID: 8851 Critical: C Notice Type Desc: Maintenance Notice Stat Desc: Supersede Prior Notice: 8849 Notice Eff Date: 03/05/2013 Notice Eff Time: 09:59:55 AM Reqrd Rsp Desc: No response required. Post Date: 03/05/2013 Post Time: 09:59:55 AM Notice Text Revision: Ruby: Wyoming: Capacity and firm revised. 7. Roberson Creek Station (Segment B30): Due to a VFD failure one unit will be out of service March 6 through March 29 for repair. Capacity through Roberson Compressor (RBC) will be reduced from 1,510 MMcf/d to 1,227 MMcf/d. At the time of this posting, firm capacity at (RBC) is subscribed at the 1,250 MMcf/d level. Cheyenne Plains Gas Pipeline Company Colorado Interstate Gas Company Ruby Pipeline Company Wyoming Interstate Company Young Gas Storage Company Operations Planning Report for March 2013 Issued February 15, 2013 Reissued March 5, 2013 A calendar and map of maintenance events is available at the following link: http://ebb.cigco.com/WesternPipes-Notices/CIGCO-Notices/CIG_Maintenance_Impacts-Mar_2013_Updated_3-5-2013.pdf CHEYENNE PLAINS GAS PIPELINE COMPANY MAINTENANCE None of the planned maintenance is expected to impact service. COLORADO INTERSTATE GAS COMPANY MAINTENANCE Wyoming: None of the planned maintenance is expected to impact service. Colorado: 1. Trinidad Compressor Station (Segment 230): CIG will perform Annual DOT tests and unit shutdown checks March 14. This outage will result in the following impacts at Picketwire Constraint (PWC). *Operational Capacity MMcf/d Noms MMcf/d March 14 Cycles 1 thru 3 436 to 348 348 March 14 Cycle 4 436 to 436 407** * Firm Capacity through (PWC) is subscribed at the 257 MMcf/d level. ** The nomination limit for this cycle has been prorated for the remaining time in the gas day. 2. 5B-24"& 5A-22" Wyoming Mainline (Segment 111): CIG will have a section of its 5B-24" pipe & 5A-22" pipe out of service for installation of service valves for the new Platte Valley Meter Station starting March 5th through March 8th one line at a time. Capacity through the Platte Valley (PTV) & Platteville (PTT) will be reduced from 73 MMcf/d to 37 MMcf/d & 95 MMcf/d to 48 MMcf/d. Firm Capacity through Platte Valley and Platteville are at 3 MMcf/d and 10 MMcf/d respectively. Utah: None of the planned maintenance is expected to impact service. Kansas: None of the planned maintenance is expected to impact service. South of Springfield, CO (including Texas and Oklahoma): 3. Morton Compressor Station (Segment 118): Will be out of service March 19 to perform annual DOT ESD tests. Capacity through Morton East (MRC) will be reduced from 368 MMcf/d to 340 MMcf/d. At the time of this posting, firm capacity at (MRC) is subscribed at the 319 MMcf/d level. 4. Mocane Compressor Station (Segment 118): One unit at (MOC) will be out of service March 12 through March 13 and March 19 through March 20 for safety shutdown checks. Capacity through (MOC) will be reduced from 66 to 46 MMcf/d. Firm Capacity through (MOC) is subscribed at the 21 MMcf/d level. RUBY PIPELINE MAINTENANCE 5. Wieland Flat Compressor Station (Segment B50): One unit will be out of service March 5 through March 8 for mechanical inspection. Capacity through Ruby West (RWC) will be reduced from 1,510 MMcf/d to 1,368 MMcf/d. At the time of this posting, firm capacity at Ruby West (RWC) is subscribed at the 1,050 MMcf/d level. 7. Roberson Creek Station (Segment B30): Due to a VFD failure one unit will be out of service March 6 through March 29 for repair. Capacity through Roberson Compressor (RBC) will be reduced from 1,510 MMcf/d to 1,227 MMcf/d. At the time of this posting, firm capacity at (RBC) is subscribed at the 1,250 MMcf/d level. WYOMING INTERSTATE COMPANY MAINTENANCE 6. WIC Wamsutter Jumper (Segment W55): WIC will perform repair to Unit exhaust March 6 through March 7. This outage results in the following impacts at Three Mile Constraint (TMC), Threemile (TML), Threemile REX (TMX) and to Bitter Creek (BTC). *Operational Capacity MMcf/d Noms MMcf/d March 6 299 to 0 0 March 7 Cycle 1 thru 2 299 to 0 0 March 7 Cycle 3 thru 4 299 to 299 199** For all Cycles March 6 and Cycles 1 and 2 March 7, Deliveries to Threemile(TML), Threemile REX(TMX) and to Bitter Creek(BTC) will be taken to zero. * Firm Capacity through (TMC) is fully subscribed at the 299 MMcf/d level. ** The nomination limit for this cycle has been prorated for the remaining time in the gas day. Young Gas Storage Company Maintenance Unless otherwise noted, Young does not expect the scheduled maintenance described below to impact nominated activities, based upon historical system demand. CIG Storage Guidelines Storage inventory is projected to be within normal guidelines on March 1. Field Max Inject., MMcf/d Max. Withdraw MMcf/d Boehm 65,000 124,000 Flank 65,000 164,000 Ft. Morgan 120,000 450,000 Latigo 75,000 139,000 Totals 325,000 877,000 Note to storage table: Maximum injection and withdrawal figures are based upon projections for gas-in-place on March 1, 2013. Departure from these projections can affect injection and withdrawal capabilities. Thermal quantities were determined based upon an average of 1064 Btu/cf. March Operations CIG's Valley Line is typically opened at Campo to provide additional support for Valley Line deliveries. No Planning Meeting Scheduled No requests for a Joint Monthly Operating Plan Meeting have been received by CP, CIG, Ruby or WIC. Therefore, pursuant to Section 4.11.1 of General Terms and Conditions of the CIG FERC Gas Tariff, no such meetings have been scheduled. If at anytime there are any questions regarding operational issues, do not hesitate to call Dean Makings at (719) 520-4766. CIG Gas Control compiles this report with assistance from various CIG departments. Any comments or questions about this report should be directed to Dean Makings (719) 520-4766 or Bill McMillan (719) 520-4389.