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A rendering shows the proposed “East Wing” addition that Stanford Health Care Tri-Valley is looking to construct. (Screenshot taken from May 28 Planning Commission staff report)

The Pleasanton Planning Commission will be voting Wednesday on an application for Stanford Health Care Tri-Valley to construct a three-story building, new water and wastewater storage tanks and other related site improvements at the existing health care facility.

According to Associate Planner Diego Mora, who primarily wrote the May 28 staff report regarding the proposed application for design review approval, staff is recommending that the commission approve the project.

“Staff has reviewed the project proposal and finds it consistent with the applicable (Planned Unit Development) development plan and city regulations,” Mora stated in the staff report. “The building design is considered attractive, and the architectural style, finish colors and materials will complement the surrounding development and conform to the Master Plan … and the Design Review requirements.”

Located at 5555 West Las Positas Blvd., the Stanford campus spans about 27.7 acres and currently houses the main hospital building, medical offices and a central utility plant.

An arial rendering of the Stanford Health Care Tri-Valley site shows the proposed addition of the new building and additional site improvements. (Screenshot taken from May 28 Planning Commission staff report)

According to the staff report, the proposed project is now looking to expand the health care facility by partially demolishing the existing emergency department façade and existing canopy in order to allow for the construction of the approximately 66,000-square-foot “East Wing addition”.

The second floor of the east wing would also feature a 24-bed nursing unit, according to Mora’s report. Mora also noted that the new building addition proposed a two-phase approach with respect to “the occupancy of the new space, tied to the availability of replacement parking.” 

“Phase 1 consists of the occupation and operation of floors one and three, with concurrent completion of the on-site improvements,” Mora stated. “During Phase 1, the second floor (including the up to 24-bed nursing unit) will be constructed as a shell space. Phase 2 involves the build-out of the second-floor shelled space, at which point the project must provide 31 parking spaces prior to operation.”

According to the staff report, the project also aims to reconfigure the internal campus loop drive with “corresponding pathway connectivity”, construct additional parking stalls, and install one above grade water storage tank. It also proposes to build three underground wastewater storage tanks.

Mora stated that the proposed emergency water and wastewater storage tanks are required  by the state.

“The storage tanks include one approximately 3,308 square-foot portable water storage tank located above grade within an enclosure, and three below-grade wastewater storage/holding tanks ranging in size from 10,000 to 50,000 gallons,” Mora wrote. “Additionally … the project proposes site improvements consisting of adding new landscape areas (approximately 29,414 square feet), sidewalks, and circulation improvements, including reorientation of the campus loop, and modifying parking lot G (adjacent to the East Wing).”

If approved, the improvements and construction are anticipated to be completed in about four and a half years. During that time, the health care facility plans on constructing a temporary ambulance parking location with a canopy in order to “support hospital operations during construction.”

Mora’s staff report also included a traffic analysis which shows how the project will generate approximately 54 new vehicle trips during the morning traffic peaks and about 57 new trips during the evening peak traffic hours. However, Mora stated that the city’s Traffic Engineering Division reviewed the traffic analysis and determined that the project’s additional trip generation “would not cause any new impacts or cause unacceptable operating conditions at nearby intersections.”

The Planning Commission meeting is scheduled to begin at 7 p.m. Wednesday (May 28). The full agenda can be accessed here.

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Christian Trujano is a staff reporter for Embarcadero Media's East Bay Division, the Pleasanton Weekly. He returned to the company in May 2022 after having interned for the Palo Alto Weekly in 2019. Christian...

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