Arizona Public Service Company v. EthosEnergy Power Plant Services LLC

District Court, D. Arizona·Decided August 18, 2023·No. 2:21-cv-00662·Unknown

Opinion

WO

Arizona Public Service Company, No. CV-21-00662-PHX-DWL

Plaintiff, ORDER

v.

EthosEnergy Power Plant Services LLC, et al., Defendants. Plaintiff Arizona Public Service Company (“APS”) owns and operates the Saguaro Power Plant in Red Rock, Arizona. In April 2018, APS asked a representative of Defendant Advanced Turbine Support Incorporated (“ATS”) to perform a non-destructive examination (“NDE”) of six rows of compressor blades associated with one of the plant’s combustion turbines. An NDE does not require any specific method of examination and instead can encompass several different techniques. Here, two NDE methods are relevant—eddy current testing (“ET”) and ultrasonic testing (“UT”). For reasons that are disputed, ATS used the UT method when examining the blades in rows 1-3 and 6 of the turbine and used the ET method when examining the blades in rows 4 and 5. ATS did not detect any cracks in row 4. However, about a year later, a blade in row 4 broke off and caused approximately $10 million in damage to the turbine. In this action, APS asserts various contract and tort claims against ATS, most of which are premised (in one way or another) on ATS’s failure to use the UT method when examining the blades in rows 4 and 5. Now pending before the Court is ATS’s motion for summary judgment. (Doc. 57.) For the following reasons, the motion is granted in part and denied in part. I. Relevant Facts The facts set forth below are derived from the parties’ summary judgment submissions and other documents in the record, with any conflicts viewed in the light most favorable to APS. APS “is the largest electric utility in Arizona and owns and operates APS Saguaro Power Plant, a natural gas powered station, located in Red Rock, Arizona.” (Doc. 1-3 at 61 ¶ 2; Doc. 18 ¶ 2.) ATS, which is based in Florida, describes itself as “one of the top generator and turbine inspectors in the world.” (Doc. 1-3 at 62 ¶ 6; Doc. 18 ¶ 6.) “On April 10, 2018, a borescope inspection of [APS’s] Siemens Westinghouse 501AA combustion turbine . . . performed by [ATS] revealed a liberated diaphragm and significant impact damage at rows 4 and 5 of the compressor.” (Doc. 1-3 at 62 ¶ 9; Doc. 18 ¶ 9.) On April 13, 2018, APS hired EthosEnergy Power Plant Services LLC (“EthosEnergy”)—an entity that was originally named as a defendant in this action but has since settled with APS (Doc. 41)—to replace the damaged compressor blades and diaphragms. (Doc. 60-2 at 14.) In the course of its work, EthosEnergy removed the blades in rows 4 and 5 and discovered a cracked blade in row 5. (Doc. 60-5 at 8; Doc. 57-2 at 3.) On or about April 18, 2018, following EthosEnergy’s discovery of the cracked blade, APS representative Mike Stevens (“Stevens”) had a discussion with ATS technician Guillermo Gonzalez (“Gonzalez”), who happened to be on site completing a separate work order, about expanding the scope of the work order to include an NDE of rows 1-6 on the turbine. (Doc. 57-4 at 3 [Gonzalez: “I was inspecting a different unit. I was doing a borescope inspection on a different unit, not that one.”]; Doc. 57-3 at 5 [Stevens: “Guillermo was on site.”].) During his deposition in this case, Stevens provided the following summary of this conversation with Gonzalez: “So I did speak with Guillermo. And I think that’s when we discussed, ‘Hey, we need to do NDE.’” (Doc. 60-5 at 7.) Stevens also “generally” agreed with the description of this conversation appearing in APS’s complaint, which was that APS “requested Guillermo Gonzalez of [ATS] perform a NDE on all compressor blades to discover cracks that may exist in the blades.” (Id. at 12.) As a general matter, when determining which type of NDE to perform, ATS relies both on its customers’ preferences and on its own expertise. For example, ATS may “make recommendations [to the customer] based on [its] knowledge” but some customers “tell [ATS] what they want” and/or “ask for recommendations.” (Doc. 60-6 at 10-11.) If ATS disagrees with a customer’s request, ATS “[t]ypically . . . would make a recommendation if it’s something we do have experience with.” (Id. at 11.) Through that recommendation, ATS seeks to “give as much information as [it] can as to why that recommendation is made and allow that customer to make an educated decision on what they want to do.” (Id.) Among the factors ATS considers when deciding which NDE method to employ are the “cleanliness of the component and different issues” like the “surface condition.” (Id. at 7.)1 On April 19, 2018, Gonzalez emailed a co-worker, ATS inspection specialist Dustin Irlbeck (“Irlbeck”), and asked: “What would the preferred inspection method and procedure be if they request ND[E] of the removed and installed rotor blades?” (Doc. 60- 12 at 1.) A few minutes later, Irlbeck responded: “I would recommend phased array UT for all in-situ inspections and PAUT with conventional UT from the bottom for removed blades. We could also perforn [sic] eddy current [ET] on the removed blades.” (Id.)2 For

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Arizona Public Service Company v. EthosEnergy Power Plant Services LLC, (D. Ariz. 2023).

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