Tetra Tech, Inc.

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Tetra Tech, Inc. is a third-party inspection firm.

Tetra Tech, Inc.
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Tetra Tech, Inc. is a third-party inspection firm.

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Projects

Inspection

ProjectScopeYearsProject built
Cedar Vale Compressor Station Project[4]2026
TTC Connector TTC Project[5]2026
CP Express Pipeline[6]Environmental compliance inspections for FERC staff2025
Henderson County Expansion Project[7]2024
Three Rivers Interconnection Project[8]2024
Venice Extension Project[2]Environmental compliance inspections for FERC staff2023–2024
Wahpeton Expansion Project[1]FERC contractor for post-certification compliance inspections, working under contract to FERCfrom 1 May 20242024
Florida Gas Transmission East-West Project[9]FERC's third-party contractor on the Commission's construction/environmental inspections2018–2019
Gulf Connector Expansion[10][11]Listed as FERC contractor staff on FERC field and construction inspections of the compressor station sites (2018 reports)2018–2019
Marshall County Mine Panel 18W Project[12]FERC's third-party contractor on the Commission's construction/environmental inspections2018–2019
Millennium Pipeline Eastern System Upgrade[13][14]Performed FERC construction inspections under contract to FERC (January and February 2018 reports)2017–2019
Access South/Adair Southwest/Lebanon Extension[15]FERC's third-party contractor on the Commission's construction/environmental inspections2017–2018
Gulf Coast Expansion Project[16][17]Performed FERC construction inspections of the compressor station and lateral under contract to FERC (March and April 2018 reports)2018
Lone Star Project[18][19]Listed as FERC contractor staff on FERC construction inspections of Compressor Stations 3A and 11A (April and June 2018 reports)2018
Marshall County Mine Panel 17W Project[20]FERC's third-party contractor on the Commission's construction/environmental inspections2017–2018
National Fuel Gas Supply Line YM28 and Line FM120 Modernization Project[21]FERC's third-party contractor on the Commission's construction/environmental inspections2018
Paiute 2018 Expansion Project[22]FERC's third-party contractor on the Commission's construction/environmental inspections2018
St. Charles Parish Expansion[23][24]Performed FERC construction inspections under contract to FERC (March and August 2018 reports)2018
Transco to Charleston Project[25]FERC's third-party contractor on the Commission's construction/environmental inspections2017–2018
Valley Expansion Project[26]FERC's third-party contractor on the Commission's construction/environmental inspections2018
Wekiva Parkway Relocation Project[27]FERC's third-party contractor on the Commission's construction/environmental inspections2018
Delaware River Pipeline Relocation Project[28]FERC's third-party contractor on the Commission's construction/environmental inspections2017
Florida Gas Transmission 12-Inch St. Petersburg Lateral Relocation Project[3]FERC Environmental Inspector, named in the cc line of the final weekly status report2016
Western Kentucky Lateral Project[29]FERC third-party contractor for environmental compliance inspection (named in the operator's in-service request)2016
Bradley Lateral Project[30]FERC's contractor for the restoration inspection of September 28, 20162015
H-312 Pipeline Project[31]FERC's contractor for the restoration inspection of June 6, 20162015
Lawrence County Expansion Project[32]Third-party contractor to FERC performing construction compliance inspections of the project, named in FERC's field inspection report of June 23, 20152015
Giles County Project[33]2014
Line KNY and KM3 Replacement Project[34]FERC's contractor for the restoration inspection of October 16, 20152014
Lucerne Residue Pipeline[35]2014
Perryville Storage Laterals[36][37]FERC's contractor for environmental compliance inspections during construction1 July 2010 – 1 December 20102013
Petrologistics Lateral[38]Third-party contractor to FERC performing environmental inspections of the laterals (FERC field inspection reports of July 13, 2011 and May 21, 2012)2012
Cane Hill Project[39]Third-party contractor to FERC performing environmental inspections (FERC field inspection report of June 13, 2011)2011
Hot Spring Lateral Project[40]FERC contractor on FERC's April 2011 environmental compliance field inspection of the project2011
Line 1528 Upgrade Project[41]FERC's contractor for the environmental compliance inspection of May 20, 20112011
ML 3 Replacement Project[42]FERC's contractor for the environmental compliance inspection of June 14 and 15, 20112011
Northeastern Tennessee Proj (NET Proj[43]FERC's contractor on the environmental compliance inspection of the project (April 2012)2011
SNG Lateral[38]Third-party contractor to FERC performing environmental inspections of the laterals (FERC field inspection reports of July 13, 2011 and May 21, 2012)2011
Tioga County Extension Project[44]FERC contractor on FERC's August 2011 environmental compliance field inspection of the project2011
Dominion Hub III Project[45][46]FERC's contractor for environmental compliance inspections during construction1 June 2010 – 1 September 20102010
Eshore Parkesburg Expansion[47]FERC's contractor on the environmental compliance inspections of the project (Nov 2010 to Nov 2011)2010
Fayetteville Express Pipeline[48]Named as the FERC contractor on FERC's November 2013 restoration inspection of the project (inspection performed under contract to FERC)2010
Sundance Trail Expansion Project[49]FERC's contractor for environmental compliance inspections during constructionfrom 1 September 20102010
Wyoming Interstate Company 2010 System Enhancement Project[50]FERC contractor on FERC's May 2011 environmental compliance field inspection of the project2010
ESNG 201 Seaford Expansion Project[51]FERC's contractor for the environmental compliance inspection of August 6, 2010
H-162 Pipeline Replacement Project[52]FERC contractor on FERC's April 2011 environmental compliance field inspection of the project
H-164 Pipeline Project[53]FERC's contractor for the restoration inspection of October 13, 2015
H-305 Pipeline Project[54]FERC's contractor for the restoration inspection of October 13, 2015
LA Storage CP21-44[55]
LN-50 Pipeline Class Location Replacement and Testing Project[56]FERC's contractor for the restoration inspection of November 17, 2015
Line P Replacement Project[57]Third-party contractor to FERC performing a construction inspection of the project (FERC field inspection report of July 27, 2011)
Low Pressure East Upgrade Project[58]FERC's contractor for the restoration inspection of July 23, 2015
Rockport Compressor Station Replacement Project[59]FERC's contractor for the construction inspection of June 4, 2014
Spindletop Expansion Project[60]
TL-400 Pipeline Replacement Project[61]FERC's contractor for the environmental compliance inspection of June 2, 2011
Transco/FGT Interconnection Project[62]FERC's representative at a routine inspection of the project site on 2011-08-24, per weekly status report 3

References

  1. “FERC memorandum on organizational conflicts of interest, selection of a FERC contractor for compliance inspections, Wahpeton Expansion Project (CP22-466)”. Federal Energy Regulatory Commission. 7 May 2024. Retrieved 3 October 2026.
  2. “FERC construction inspection report (inspection of 2023-12-05), Venice Extension Project (CP22-15)”. Federal Energy Regulatory Commission. 3 January 2024. Retrieved 3 October 2026.
  3. “Weekly Environmental Status Report No. 30, Final Report (August 7 to 13, 2016), 12-Inch St. Petersburg Lateral Relocation Project (CP16-2)”. Florida Gas Transmission Company, LLC (filed with FERC). 17 August 2016. Retrieved 3 October 2026.
  4. “Field Inspection Report (inspection of 05/27/2026), Cedar Vale Compressor Station Project (CP25-19)”. Federal Energy Regulatory Commission. 9 July 2026. Retrieved 3 October 2026.
  5. “Field Inspection Report, TTC Connector Project, inspected 2026-09-01 (CP25-525)”. Federal Energy Regulatory Commission. 14 September 2026. Retrieved 4 October 2026.
  6. “FERC field inspection report (inspection of 2026-03-03 and 2026-03-04), CP2 LNG Project and CP Express Pipeline Project (CP22-21, CP22-22)”. Federal Energy Regulatory Commission. 24 March 2026. Retrieved 3 October 2026.
  7. “Construction Inspection Report (inspection of 08/22/2023), Henderson County Expansion Project (CP21-467)”. Federal Energy Regulatory Commission. 8 September 2023. Retrieved 4 October 2026.
  8. “Construction Inspection Report (inspection of 05/21/2024), Three Rivers Interconnection Project (CP21-113)”. Federal Energy Regulatory Commission. 13 June 2024. Retrieved 4 October 2026.
  9. “Construction Inspection Report, East-West Project (CP17-8)”. Federal Energy Regulatory Commission. 15 August 2018. Retrieved 4 October 2026.
  10. “Field Inspection Report (May 2018), Gulf Connector Expansion Project (CP16-494)”. Federal Energy Regulatory Commission staff. 7 June 2018. Retrieved 3 October 2026.
  11. “Construction Inspection Report (July 19, 2018 inspection), Gulf Connector Expansion Project (CP16-494)”. Federal Energy Regulatory Commission staff. 10 August 2018. Retrieved 3 October 2026.
  12. “Construction Inspection Report, Marshall County Mine Panel 18W Project (CP17-468)”. Federal Energy Regulatory Commission. 14 May 2018. Retrieved 4 October 2026.
  13. “Construction Inspection Report (January 10, 2018 inspection), Eastern System Upgrade (CP16-486)”. Federal Energy Regulatory Commission staff. 26 January 2018. Retrieved 3 October 2026.
  14. “Field Inspection Report (February 7, 2018 inspection), Eastern System Upgrade (CP16-486)”. Federal Energy Regulatory Commission staff. 1 March 2018. Retrieved 3 October 2026.
  15. “Environmental Inspection Report, Access South, Adair Southwest, and Lebanon Extension Projects, conducted May 3-4, 2017 (CP16-3)”. Federal Energy Regulatory Commission. 26 May 2017. Retrieved 4 October 2026.
  16. “Construction Inspection Report (March 1, 2018 inspection), Gulf Coast Expansion Project (CP16-488)”. Federal Energy Regulatory Commission staff. 15 March 2018. Retrieved 3 October 2026.
  17. “Construction Inspection Report (April 26, 2018 inspection), Gulf Coast Expansion Project (CP16-488)”. Federal Energy Regulatory Commission staff. 9 May 2018. Retrieved 3 October 2026.
  18. “Construction Inspection Report (April 3, 2018 inspection), Lone Star Project (CP16-496)”. Federal Energy Regulatory Commission staff. 13 April 2018. Retrieved 3 October 2026.
  19. “Construction Inspection Report (June 6, 2018 inspection), Lone Star Project (CP16-496)”. Federal Energy Regulatory Commission staff. 21 June 2018. Retrieved 3 October 2026.
  20. “Construction Inspection Report, Marshall County Mine Panel 17W Project (CP16-501)”. Federal Energy Regulatory Commission. 26 April 2017. Retrieved 4 October 2026.
  21. “Construction Inspection Report, Line YM28 and Line FM120 Modernization Project (CP17-74)”. Federal Energy Regulatory Commission. 30 November 2018. Retrieved 4 October 2026.
  22. “Construction Inspection Report, Paiute Pipeline Company 2018 Expansion Project (CP17-471)”. Federal Energy Regulatory Commission. 23 August 2018. Retrieved 4 October 2026.
  23. “Construction Inspection Report (March 14, 2018 inspection), St. Charles Parish Expansion Project (CP16-478)”. Federal Energy Regulatory Commission staff. 12 April 2018. Retrieved 3 October 2026.
  24. “Construction Inspection Report (August 14, 2018 inspection), St. Charles Parish Expansion Project (CP16-478)”. Federal Energy Regulatory Commission staff. 5 September 2018. Retrieved 3 October 2026.
  25. “Construction Inspection Report, Transco to Charleston Project (CP16-98)”. Federal Energy Regulatory Commission. 19 September 2017. Retrieved 4 October 2026.
  26. “Construction Inspection Report, Valley Expansion Project (CP17-257)”. Federal Energy Regulatory Commission. 25 July 2018. Retrieved 4 October 2026.
  27. “Construction Inspection Report, Wekiva Parkway Relocation Project (CP17-79)”. Federal Energy Regulatory Commission. 23 July 2018. Retrieved 4 October 2026.
  28. “Environmental Inspection Report, Delaware River Pipeline Replacement Project, inspected 3/28/2017 (CP16-27)”. Federal Energy Regulatory Commission. 13 April 2017. Retrieved 4 October 2026.
  29. “Request for Authorization to Place Facilities In-Service, Western Kentucky Lateral Project (CP15-105)”. Texas Gas Transmission, LLC (filed with FERC). 5 August 2016. Retrieved 4 October 2026.
  30. “FERC Field Inspection Report, Bradley Lateral Project (inspection of September 28, 2016), Enable Gas Transmission, L.L.C. (CP14-503)”. FERC. 29 December 2016. Retrieved 4 October 2026.
  31. “FERC Field Inspection Report, H-312 Pipeline Project (inspection of June 6, 2016), Equitrans, L.P. (CP14-523)”. FERC. 1 July 2016. Retrieved 4 October 2026.
  32. “FERC field inspection report (June 23, 2015), Lawrence County Expansion Project (CP15-19)”. FERC (inspection by Tetra Tech, Inc. under contract to FERC). 7 July 2015. Retrieved 4 October 2026.
  33. “FERC Field Inspection Report, Giles County Project, April 1, 2014 (CP13-125)”. Federal Energy Regulatory Commission. 1 April 2014. Retrieved 4 October 2026.
  34. “FERC Field Inspection Report, Lines KM3 and KNY Replacement Project (inspection of October 16, 2015), National Fuel Gas Supply Corporation (CP14-107)”. FERC. 17 December 2015. Retrieved 4 October 2026.
  35. “FERC Construction Inspection Report, Lucerne Residue Pipeline Project, May 13, 2014 (CP13-509)”. Federal Energy Regulatory Commission. 13 May 2014. Retrieved 4 October 2026.
  36. “Environmental Compliance Inspection Report, July 15, 2010, Crowville Salt Dome Storage Project (CP09-418)”. Federal Energy Regulatory Commission. 2 August 2010. Retrieved 4 October 2026.
  37. “Environmental Compliance Inspection Report, December 2, 2010, Crowville Salt Dome Storage Project (CP09-418)”. Federal Energy Regulatory Commission. 22 December 2010. Retrieved 4 October 2026.
  38. “FERC field inspection report (July 13, 2011), Acadian Gas Petrologistics and SNG Lateral Projects (CP11-162, CP11-163)”. FERC (inspection by Tetra Tech, Inc. under contract to FERC). 26 August 2011. Retrieved 4 October 2026.
  39. “FERC field inspection report (June 13, 2011), Cane Hill Compressor Station Project (CP11-21)”. FERC (inspection by Tetra Tech, Inc. under contract to FERC). 13 June 2011. Retrieved 4 October 2026.
  40. “Environmental Compliance Inspection Report, Hot Spring Lateral Project, April 6, 2011 (CP10-471)”. Federal Energy Regulatory Commission. 22 April 2011. Retrieved 4 October 2026.
  41. “Environmental Compliance Inspection Report, Line 1528 Upgrade Project (inspection of May 20, 2011), Columbia Gas Transmission, LLC (CP10-439)”. FERC. 9 June 2011. Retrieved 4 October 2026.
  42. “FERC Field Inspection Report, Questar Main Line 3 Replacement Project (inspection of June 14 and 15, 2011) (CP11-62)”. FERC. 1 July 2011. Retrieved 4 October 2026.
  43. “Environmental Compliance Inspection Report, Northeastern Tennessee (NET) Project, inspection of 2012-04-26 (CP10-89)”. Federal Energy Regulatory Commission. 5 June 2012. Retrieved 4 October 2026.
  44. “Environmental Compliance Inspection Report, Tioga County Extension Project, August 4, 2011 (CP10-493)”. Federal Energy Regulatory Commission. 26 August 2011. Retrieved 4 October 2026.
  45. “Environmental Compliance Inspection Report, June 1, 2010, Dominion Hub III Project (CP09-18)”. Federal Energy Regulatory Commission. 17 June 2010. Retrieved 4 October 2026.
  46. “Environmental Compliance Inspection Report, September 10, 2010, Dominion Hub III Project (CP09-18)”. Federal Energy Regulatory Commission. 20 October 2010. Retrieved 4 October 2026.
  47. “Environmental Compliance Inspection Report, Mainline Extension Interconnect Project, inspection of 2010-11-08 (CP10-76)”. Federal Energy Regulatory Commission. 23 November 2010. Retrieved 4 October 2026.
  48. “Field Inspection Report (Nov 19-20, 2013), Fayetteville Express Pipeline Project (CP09-433)”. FERC staff report (prepared by a FERC contractor). 16 December 2013. Retrieved 4 October 2026.
  49. “Environmental Compliance Inspection Report, Sundance Trail Expansion Project (CP09-415)”. Federal Energy Regulatory Commission. 24 September 2010. Retrieved 4 October 2026.
  50. “Environmental Compliance Inspection Report, WIC 2010 System Enhancement Project, May 18, 2011 (CP10-13)”. Federal Energy Regulatory Commission. 9 June 2011. Retrieved 4 October 2026.
  51. “FERC Field Inspection Report, ESNG 201 Seaford Expansion Project (inspection of August 6, 2010), Eastern Shore Natural Gas Company (CP10-51)”. FERC. 20 August 2010. Retrieved 4 October 2026.
  52. “Environmental Compliance Monitoring Report, H-162 Pipeline Replacement Project, April 13-14, 2011 (CP09-44)”. Federal Energy Regulatory Commission. 12 May 2011. Retrieved 4 October 2026.
  53. “FERC Field Inspection Report, H-164 Pipeline Project (inspection of October 13, 2015), Equitrans, L.P. (CP14-90)”. FERC. 20 November 2015. Retrieved 4 October 2026.
  54. “FERC Field Inspection Report, H-305 Pipeline Project (inspection of October 13, 2015), Equitrans, L.P. (CP14-130)”. FERC. 20 November 2015. Retrieved 4 October 2026.
  55. “Field Inspection Report (inspection of 06/24/2025), Hackberry Storage Project (CP21-44 and CP24-487)”. Federal Energy Regulatory Commission. 14 July 2025. Retrieved 4 October 2026.
  56. “FERC Field Inspection Report, LN-50 Pipeline Class Location Replacement and Testing Project (inspection of November 17, 2015), Dominion Transmission, Inc. (CP14-499)”. FERC. 21 December 2015. Retrieved 4 October 2026.
  57. “FERC field inspection report (July 27, 2011), Line P Replacement Project (CP11-66)”. FERC (inspection by Tetra Tech, Inc. under contract to FERC). 26 August 2011. Retrieved 4 October 2026.
  58. “FERC Field Inspection Report, Low Pressure East Upgrade Project (inspection of July 23, 2015), Equitrans, L.P. (CP13-79)”. FERC. 27 August 2015. Retrieved 4 October 2026.
  59. “FERC Field Inspection Report, Rockport Compressor Station Replacement Project (inspection of June 4, 2014), Columbia Gas Transmission, LLC (CP13-81)”. FERC. 17 June 2014. Retrieved 4 October 2026.
  60. “Field Inspection Report (inspection of 07/07/2026), Spindletop Expansion Project (CP25-167)”. Federal Energy Regulatory Commission. 16 July 2026. Retrieved 3 October 2026.
  61. “FERC Field Inspection Report, TL-400 Replacement Project (inspection of June 2, 2011), Dominion Transmission, Inc. (CP11-71)”. FERC. 20 June 2011. Retrieved 4 October 2026.
  62. “Weekly Status Report No. 3, Transco Interconnect, Gulf LNG Pipeline, LLC (CP11-486)”. Gulf LNG Pipeline, LLC (filed with FERC). 1 September 2011. Retrieved 4 October 2026.

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