Drones equipped with thermal imaging and a high-resolution camera can also be useful in fighting fires, according to a city staff report, able to peer through smoky plumes to put out hot spots. The city's public works department is also seeking to use drones for building inspections and observing hard-to-reach spots like roofs and gutters.
The Mountain View City Council agreed in April to pursue a policy and clear the way for city staff to use drones, but not before conducting public outreach to address concerns from the public. Council members at the time had reservations about privacy and sought limits on when and where drones could be deployed.
Councilwoman Margaret Abe-Koga called the policy a "good start" for a new technology, and said that she was ready to pass it as is.
"I think we should go ahead and move forward with this," she said. "There's always room for changes if needed."
The policy states that city staff must use drones in a way that doesn't run afoul of California's trespassing laws, which prohibit audio and video recording of people in private settings in a manner that is "offensive to a reasonable person." Drone pilots must also take "reasonable precautions" to avoid inadvertently recording images that violate someone's privacy, such as modifying the flight route or considering when to stop recording.
"Operators will avoid flying UAS over private property to the extent possible, unless necessary for the protection of life and property, with consent of the owner, or in compliance with lawful access," according to the policy.
Police Lt. Saul Jaeger told council members that the policy is aligned with guidelines established by the American Civil Liberties Union, and that privacy is an integral part of the drone program.
"The protection of individual civil rights and the reasonable expectation of privacy remain key components of any decision to deploy UAS," he said.
Despite the unanimous vote, some council members had misgivings about the new technology. Councilwoman Alison Hicks said members of the public have raised concerns that the privacy protections may not go far enough, and that there is a potential for "mission creep." She said she wanted to see a cap on the number of drones that would prevent the city from reaching a large number of them buzzing around the city.
Councilman Lucas Ramirez said he was comfortable with city employees using drones, but worried that the policy opens the door for the city to enlist third-party contractors to pilot drones to conduct city business that may not be beholden to the city's restrictions. City Manager Dan Rich said that anyone doing work on behalf of the city would have to adhere to the policy.
The police department revealed it is planning to purchase two drones, one "general purpose" drone and a smaller one. The fire department is also planning to acquire a drone through a joint grant with the San Jose Fire Department.
Public Works Director Mike Fuller said at the Sept. 3 council meeting that his department is taking things slowly, and expects to initially borrow the police department's drone before requesting to buy one at a future date.
Police spokeswoman Katie Nelson told the Voice after the council meeting that there is no specific timeline for buying the drones, and that the department plans to be "meticulous" in deciding which model is best suited for the job. She said the department is also planning to build a team of personnel that can use the drones in accordance with the city's new policy, which will involve piloting licenses and hours of training.
Similar to police body camera footage, drone video recordings will generally be retained for two years, longer if it's needed as evidence in court. Redactions will be made to any recordings that are requested through the California Public Records Act, though specific decisions — like whether to blur the face of someone who appears in a video — will have to be made by the city attorney's office on a case-by-case basis, said City Attorney Krishan Chopra.
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