Retaining wall along street showing structural design and adjacent guardrail.

Glendale Retaining Walls & Guardrails

Sanbell (formerly Bellecci & Associates) provided a topographic survey and design services for approximately 250 feet of guardrail and a new 7-foot-high retaining wall. Our scope included topographic surveys, right-of-way (ROW) research, and structural wall design on an accelerated schedule. The City later added a second 50-foot-long retaining wall to the project. This included over […]

View project
Aerial view of Whitman Road sewer replacement project area.

Whitman Road Sewer Rehabilitation

Sanbell (formerly Bellecci & Associates) led surveying and design for a critical sewer infrastructure upgrade on Whitman Street. Our team completed a detailed topographic survey and designed the replacement and upsizing of approximately 1,600 linear feet of sewer pipe. This in turn increased capacity from 8-inch to 12-inch vitrified clay pipe (VCP). Sanbell also designed […]

View project
New HDPE sewer pipe laid out prior to installation during the Los Altos Citywide upsizing project.

Los Altos Citywide Sewer System Repair

Sanbell (formerly Bellecci & Associates) served as the prime civil engineering firm for this citywide sewer capacity improvement project. Our team designed upsized sewer pipes, increasing diameters from 6 inches to 8 inches and 8 inches to 12 inches, to improve system performance and reliability. The project used high-density polyethylene (HDPE) pipe and pipe reaming […]

View project
Street view of the Homes2Suites modular hotel site near San Francisco International Airport.

Home2Suites Hotel (So SF)

Sanbell (formerly Bellecci & Associates) provided entitlement, surveying, and civil engineering services for a new six-story, 115-suite hotel in South San Francisco. The site is located less than five miles from San Francisco International Airport and within walking distance of the Genentech campus, BART, and Caltrain stations. This project became the first modular construction hotel […]

View project
Construction workers and equipment working on trenchless sewer replacement in Los Altos

Los Altos Sewer Replacement

The City of Los Altos selected Sanbell (formerly Bellecci & Associates) to lead its annual sewer rehabilitation program. Sanbell managed planning, investigation, and design to support efficient trenchless construction and reduce risk during installation. Before design began, Sanbell prioritized subsurface data collection. Our team gathered soil and pavement information to better understand material thickness, hard […]

View project
Aerial view of a section of road as part of the San Carlos pavement rehabilitation project.

San Carlos Pavement Rehabilitation

Sanbell (formerly Bellecci & Associates) has over 40 years of experience helping cities manage annual budgets and allocate resources efficiently. In 2020, San Carlos initiated a citywide project to rehabilitate pavement and implement ADA improvements across multiple locations. Sanbell, already trusted for annual budget projects, took the lead on this comprehensive effort. We faced challenges […]

View project
aerial view of the affordable senior living mixed-use project Sanbell designed and surveyed

Brunswick Street Apartments

Sanbell (formerly Bellecci & Associates) provided civil engineering and land surveying services for an infill mixed-use project. The project featured both residential and office/commercial spaces. The site covered approximately 1.15 acres. It included 100% affordable senior housing and office/commercial space on the ground floor. The development consists of a five-story building with 206 studio units […]

View project
Street view showing newly installed sidewalks and streetlights at Willow and Avenue intersection in Hercules, California.

Hercules Willow and Palm Avenue Sidewalk Project

Sanbell (formerly Bellecci & Associates) improved pedestrian connectivity for the City of Hercules, California, closing critical gaps between the Hercules Transit Center and the city’s southeast neighborhoods. The project added new sidewalks and pedestrian-scale street lighting along Willow Avenue, extending to the Willow Avenue and Palm Avenue intersection. These improvements connected to existing sidewalks near […]

View project
Primary Sanbell Logo

Welcome to Sanbell — The Core Design team is now part of Sanbell, bringing together talented professionals, expanded capabilities, and a shared commitment to serving our clients and communities. You’ll continue working with the same trusted team, now backed by the strength and resources of Sanbell.

Logo for Core Design