OPINION
The City of Houston brings this interlocutory appeal from the trial court’s denial of its plea to the jurisdiction filed in two consolidated cases arising out of the same incident at Bush Intercontinental Airport (the Airport). Houston contends the trial court erred when it denied Houston’s plea to the jurisdiction because appellees failed to raise a fact issue that Houston waived its governmental immunity. We conclude that the Texas Tort Claims Act does not waive Houston’s immunity because neither the pleadings nor the jurisdictional evidence show that a Houston employee was operating or using the motor-driven equipment and tangible personal property that caused the incident. Accordingly, we reverse and render judgment dismissing ap-pellees’ claims against Houston for want of jurisdiction.
Background
A. The APM strikes Turner and Cordero.
Houston owns and operates the Airport, which includes an automated people mover or APM system. The APM is a remotely controlled, above-ground train that transports passengers along elevated guideways from terminal to terminal. Because Houston and its employees do not possess the knowledge to operate and maintain the APM, Houston has always retained a third party to perform these functions. At all times relevant to this appeal, the third-party operator was appellee Johnson Controls, Inc.
Houston decided to expand the APM system at the Airport. This expansion was called the Phase 3 Project and it included the construction of an additional APM guideway connecting Terminals B and C at the Airport. Houston contracted with Continental Airlines, Inc. to manage the Phase 3 Project. Among the companies involved in the Phase 3 Project were Post, Buckley, Schuh & Jernigan, Inc. (PBS & J) and Webber, L.L.C. When the Phase 3 Project reached substantial completion, the new guideway was turned over to Johnson Controls for inclusion under its contract with Houston to operate and maintain the APM System. It is undisputed that once the new guideway was turned over to Johnson Controls, Johnson Controls controlled access to the guideway. Even after the guideway was turned over, however, punch-list items remained to be completed on the Phase 3 Project.
On October 26, 2010, a Johnson Controls employee, James Farr, escorted Juan Cordero and two other Webber employees into an area of the new guideway where trains were not allowed due to the ongoing work. They were later joined at the work-site by Travis Turner, a senior project manager for PBS & J. At some point,
B. The Turner and Cordero appellees sue Houston.
The Turner appellees — Jeanie Turner, individually and as representative of Turner’s estate; Nathan Turner; and Derrick Turner — filed suit against Houston and numerous other defendants. In their third amended petition, the Turner appel-lees alleged that Houston and its employees contributed to the accident that caused Turner’s death by negligently failing to provide a safe operating APM system. They then alleged that Houston’s negligent acts included, but were not limited to (1) the failure of Houston’s “employees to establish and/or communicate safety requirements regarding the APM system” and (2) the “failure of its employees to implement adequate safeguards to prevent incidents such as the subject incident from occurring.”
Appellee Maria Ranjel filed suit against Houston and other defendants individually and on behalf of Cordero. In her first amended petition, Ranjel alleged that Houston, “by and through its employees, committed acts of omission and commission, which collectively and severally constituted negligence, and which were proximate causes of the injuries sustained by ... Cordero.” She also alleged that Houston had a duty to Cordero to provide a safe operating inter-terminal train system and APM. She went on to allege that Houston’s negligent acts included (1) “the failure of its employees to establish and/or communicate safety requirements for the APM train system” and (2) “the failure of its employees to implement adequate safeguards to prevent incidents from occurring, such as the subject incident.”
Johnson Controls filed a cross-claim for contribution and proportionate responsibility against Houston. Johnson Controls later admitted that its cross-claim is derivative of the Turner and Cordero appellees’ rights to recover against Houston.
C. Houston files a plea to the jurisdiction, and all parties submit evidence regarding jurisdiction.
The lawsuits were eventually consolidated and Houston filed a single plea to the jurisdiction, arguing the Turner and Cordero appellees had not alleged a cause of action against Houston that falls within the scope of a waiver of its governmental immunity. Houston’s principal argument was that appellees did not allege a Houston employee used or operated the train in a negligent manner. Accordingly, Houston contends that its immunity remained intact, the trial court did not have subject matter jurisdiction, and appellees’ claims (including Johnson Controls’ derivative claims) must be dismissed.
In addition to challenging appellees’ pleadings, Houston attached evidence to its plea to the jurisdiction challenging the existence of the jurisdictional facts alleged by appellees. In turn, appellees attached evidence as well as proposed amended petitions to their responses to Houston’s plea. The evidence submitted by the respective parties, consisting of excerpts
1. Operation and maintenance of the APM system
The evidence shows that Houston owned the APM system but did not operate or maintain it on a day-to-day basis because its employees lacked the knowledge and expertise to do so. At all times relevant to this appeal, Houston contracted with Johnson Controls to operate and maintain the APM system.
While the APM system contract between Johnson Controls and Houston does not appear in the appellate record, several witnesses testified regarding its content and the respective roles of Johnson Controls and Houston. According to this testimony, the contract determined how many trains were to be operating on a daily basis and provided that Johnson Controls, pursuant to the contract, remotely operated the trains on a daily basis from a Control Center. The evidence is undisputed that Houston had no involvement in the daily operation of the trains and that it monitored the APM system to ensure Johnson Controls followed the contract. The evidence also shows that no Houston employees worked in the Control Center.
Under the contract, Houston could give Johnson Controls permission to operate the APM System with a reduced number of trains. In addition, Houston could shut down the APM System by shutting down electrical main feed systems for the Airport. Beyond that, the evidence shows that Houston had no ability to directly affect the daily operation of trains on the APM guideway. To do that, Houston had to go through Johnson Controls personnel in the Control Center.
2. Development of policies related to the operation and maintenance of the APM system
The evidence is undisputed that Houston never directly provided Johnson Controls a set of safety rules and regulations for the APM System. Instead, Johnson Controls had the authority to enact site policies and procedures without getting Houston’s approval. Houston did request input into the development of site policies and according to Rodriquez, the Houston employee charged with overseeing the contract with Johnson Controls, Houston did participate in the formulation of policies related to accessing the APM guideway.
Farr testified that any person not an employee of Johnson Controls (hereinafter,
Finally, it is undisputed that the APM guideway was elevated and the only way to access it was by using an elevator. To access the guideway, a non-employee had to be let into the elevator by a Johnson Controls employee with a keycard and then escorted to the worksite.
3. Houston’s involvement in the APM system on the day of the train strike
The evidence submitted by the parties shows that there were no Houston employees regularly working in the Control Center. It is also undisputed that at the time of the train strike and immediately beforehand, there were no Houston employees present in the Control Center or in the area of the guideway where the strike occurred.
D. The appellees propose amended pleadings.
Both the Turner and Cordero appellees attached proposed amended petitions to their responses to Houston’s plea. Both also stated in their responses that the proposed amended petitions cured any conceivable pleading defects.
1. The Cordero appellees’ proposed second amended petition
In their proposed second amended petition, the Cordero appellees alleged that Houston owns and operates the Airport and owed a duty to provide a safe operating APM. They further alleged that the APM “is motor-driven equipment, tangible property, which was in operation or use on October 26, 2010, and which operation or use was a cause of ... Cordero’s injuries.” In addition to the allegations previously made in their first amended petition, the Cordero appellees alleged that Houston was negligent for “failing to safely maintain, operate, and/or control the operation of the APM.” Finally, they alleged that these acts were carried out by Houston employees during the course and scope of their employment with Houston.
2. The Turner appellees’ proposed fourth amended petition
In their proposed fourth amended petition, the Turner appellees alleged that Houston owns and runs the APM system at the Airport and the “APM is motor-driven equipment, tangible property, and was in operation and/or use at the time of the subject incident.” In addition to their previous allegations, they alleged
E. The trial court denies Houston’s plea to the jurisdiction.
The parties participated in a hearing during which the trial court orally denied Houston’s plea to the jurisdiction. This interlocutory appeal followed the trial court’s subsequent signing of a written order denying Houston’s plea.
Analysis
In three issues on appeal, Houston contends the trial court erred in denying the plea to the jurisdiction because the jurisdictional evidence established as a matter of law that Houston did not operate or maintain the APM System and therefore Houston’s immunity has not been waived. As a result, Houston asserts, we should reverse the trial court’s denial of the plea and then dismiss appellees’ suits because remanding to give the Turner and Cordero appellees another opportunity to amend their petitions would be futile. In its fourth issue on appeal, Houston asserts that because it is undisputed Johnson Controls’ cross-claim is derivative of the Turner and Cordero appellees’ claims for which Houston’s immunity has not been waived, the trial court also erred when it denied Houston’s plea to the jurisdiction as to that cross-claim.
I. Standard of review
If a governmental unit has immunity from suit, a trial court lacks subject matter jurisdiction. Rusk State Hosp. v. Black,
A governmental unit’s plea to the jurisdiction may challenge either the plaintiffs’ pleadings or the existence of jurisdictional facts. Id. at 226-27. When, as here, the governmental unit challenges the existence of jurisdictional facts, and the parties submit evidence relevant to the jurisdictional challenge, we must consider that evidence when necessary to resolve the jurisdictional issues raised. Id. at 227-28; Olivares v. Brown & Gay Eng’g, Inc.,
II. Waiver of governmental immunity under the Texas Tort Claims Act
Houston, as a municipality and political subdivision of the State, is immune from suit in the performance of its governmental functions unless that immunity has
A governmental unit in the state is liable for:
(1) property damage, personal injury, and death proximately caused by the wrongful act or omission or the negligence of an employee acting within his scope of employment if:
(A) the property damage, personal injury, or death arises from the operation or use of a motor-driven vehicle or motor-driven equipment; and
(B) the employee would be personally liable to the claimant according to Texas law; and
(2) personal injury and death so caused by a condition or use of tangible personal property or real property if the governmental unit would, were it a private person, be liable to the claimant according to Texas law.
Tex. Civ. Prac. & Rem.Code Ann. § 101.021 (West 2005).
The Turner and Cordero appellees alleged Houston’s immunity was waived under both subsections 1 and 2 of section 101.021 as a result of- Houston’s negligent failure to safely operate, control, or maintain the APM.
For waiver to exist under either subsection, however, a governmental employee must be the one operating or using the motor-driven equipment or tangible personal property.
Appellees assert the requirement of operation or use by a Houston employee is met here for two reasons. First, citing County of Galveston v. Morgan,
A. A Houston employee did not operate or use the APM that struck Turner and Cordero.
We turn first to appellees’ contention that in this case, as with the governmental entities in Morgan and Rubio, the jurisdictional evidence raised at least a fact issue that a Houston employee operated or used the APM that struck Turner and Cordero. We disagree.
In Morgan, Galveston County supplied employee spotters to direct dump trucks at a work site with overhead power lines. Morgan,
In Rubio, the plaintiffs alleged that a police officer arrested the driver of their van, gave rudimentary driving instructions to an unlicensed van passenger, and ordered that passenger to follow his police vehicle’s emergency lights to the police station. Rubio,
We conclude that the Morgan and Ru-bio cases do not support a waiver of immunity in this case because there is no evidence that Houston employees exercised such direct and mandatory control over the APM that struck Turner and Cordero. See Townsend v. City of Alvin, No. 14-05-00915-CV,
B. Johnson Controls was an independent contractor, not an employee of Houston.
Appellees also assert that Johnson Controls should be considered an employee of Houston because Houston controlled the details of Johnson Controls’ operation and maintenance of the APM system. Because undisputed evidence shows that Johnson Controls was an independent contractor and not an employee, we disagree.
The TTCA defines an “employee” as “a person ... who is in the paid service of a governmental unit ... but does not include an independent contractor, an agent or employee of an independent contractor, or a person who performs tasks the details of which the governmental unit does not have the legal right to control.” Tex. Civ. Prac. & Rem.Code Ann. § 101.001(2). The statutory definition requires both control and paid employment to invoke the TTCA waiver of immunity. Olivares,
An independent contractor is one who, in pursuit of an independent business, undertakes specific work for another using his own means and methods without submitting to the control of the other person as to the details of the work. Id. Conversely, an employer controls not only the end sought to be accomplished, but also the manner and means by which the end result is obtained. Id. In determining whether a person qualifies as an employee or is instead an independent contractor, the focus is on who has the right to control the details of the work. Id. A “possibility” of control is not evidence of a right to control. EPGT Tex. Pipeline, L.P. v. Harris Cty. Flood Control Dist.,
A party can prove right to control in two ways. First, right to control can be shown through a contractual agreement that explicitly assigns the right to control. Olivares,
Appellees argue the jurisdictional evidence raises fact issues as to whether Houston exercised sufficient control over the details of Johnson Controls’ operation
We conclude that even when viewed in the light most favorable to appellees, this evidence does not raise a fact issue as to whether Johnson Controls was an employee rather than an independent contractor. Houston’s mere ownership of the APM system does not demonstrate that Johnson Controls operated that system as an employee rather than an independent contractor. See Bishop,
The remaining evidence cited by appel-lees does nothing more than establish that Houston controlled the end result of Johnson Controls’ contractual duty to operate and maintain the APM system, which is insufficient to demonstrate the level of control over the details of the daily operation of the trains necessary to make John
Because the jurisdictional evidence establishes that a Houston employee did not operate or use the APM train that struck Turner and Cordero, we hold Houston’s immunity has not been waived. We sustain Houston’s third issue on appeal.
IV. Houston has not waived its immunity from Johnson Controls’ cross-claim.
In its fourth issue, Houston asserts the trial court also erred when it denied Houston’s plea as to Johnson Controls’ cross-claim for contribution and proportionate responsibility because the cross-claim is derivative of the causes of action asserted by the Turner and Cordero appellees. We agree.
A defendant’s claim of contribution is derivative of the plaintiffs right to recover from the joint defendant against whom contribution is sought. Shoemake v. Fogel, Ltd.,
V. Because a remand would be futile, appellees’ claims against Houston must be dismissed.
Having sustained Houston’s third and fourth issues on appeal, we must decide whether remand, as requested by ap-pellees, or rendition of a judgment dismiss
Here, the appellate record includes not only jurisdictional evidence excerpted from numerous depositions but also proposed amended pleadings prepared by ap-pellees after Houston filed its plea to the jurisdiction, which appellees represented were sufficient to cure any possible pleading deficiencies. Even if the appellees had filed their respective proposed amended pleadings, Houston’s immunity still would not have been waived because the jurisdictional evidence does not raise a fact issue on the key question of whether a Houston employee operated or used the APM train that struck Turner and Corde-ro. An additional opportunity to amend appellees’ pleadings cannot change what the undisputed jurisdictional evidence has established: a Houston employee did not operate or use the APM train that struck Turner and Cordero. Because the evidence does not support further amendments that would cure this jurisdictional deficiency, we conclude it would be futile to remand this matter to the trial court to allow appellees another opportunity to amend their pleadings. See Ramirez,
Conclusion
Having sustained Houston’s third and fourth issues on appeal, we reverse the trial court’s order denying Houston’s plea to the jurisdiction and render judgment dismissing appellees’ claims against Houston for lack of subject matter jurisdiction.
Notes
. The excerpts came from the depositions of the following witnesses:
(1) Dominick Trupia: a PBS & J employee.
(2) Scott Galliher. the corporate representative of Johnson Controls.
(3) Elesa Rodriquez: Houston employee who oversaw the contract whereby Johnson Controls operated and maintained the APM.
(4) James Farr: Johnson Controls employee who escorted Cordero and Turner to the guideway the day of the incident.
(5) Brandon Shimer: employee of an unknown entity involved in the Phase 3 Project. While Houston contends Shimer is a Continental employee, nothing in the appellate record verifies his employment status.
(6) Nicolas Wilhite: Johnson Controls employee present the day of the incident that resulted in Turner’s death and Cordero’s incapacitating injuries.
. Johnson Controls did not have a Phase 3 Project contract, however.
. The evidence indicates that certain unspecified' Houston employees also had keycards and had used them to access the guideway at times without Johnson Controls personnel being present.
. The parties do not dispute that the operation of the Airport and the APM system are governmental functions.
. The Turner and Cordero appellees do not assert a waiver of immunity under any other statute.
. Subsection 2 of section 101.021 also provides a waiver of immunity for certain causes of action brought against the governmental unit directly, rather than under a theory of respondeat superior. In this case, however, appellees have not alleged a direct liability cause of action. Cf. DeWitt v. Harris County,
. Throughout their briefs, appellees summarize Rodriguez’s testimony incorrectly. For example, instead of stating that Rodriguez testified that, as a project manager for Houston, she oversaw "the daily operation and maintenance contract," appellees incorrectly assert that she oversaw “the APM system."
. We need not reach appellees' allegation that Houston employees negligently implemented an existing safety policy. Even if that allegation is true, it would establish only that the discretionary function exclusion found in section 101.056 of the TTCA does not apply. See Tex. Civ. Prac. & Rem.Code Ann. § 101.056 (West 2005). Appellees would still have to establish a waiver of immunity under section 101.021, which they have not done for the reasons discussed above. Dimas v. Texas State Univ. Syst., 201 S.W.3d 260, 267-68 (Tex.App.-Houston [14th Dist.] 2006, no pet.) (holding that a negligent implementation of policy theory of liability does not itself waive immunity; plaintiff must first establish a waiver of immunity under some other provision of the TTCA before he can pursue a claim of negligent implementation).
