The Bernal Avenue/Sunol Boulevard/First Street intersection in Pleasanton serves as a gateway to downtown from highway 680 and it is subject to increasingly higher traffic volumes during the commute hours causing localized congestion. The goal of the project is to improve operations for vehicles, bicycles and pedestrians. Improvements will include left turn pocket upgrades and integration of complete streets concepts to accommodate safe paths of travel for bicyclists and pedestrians toward downtown.
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Utilizing the advantages of an on-call agreement, HMH completed the Stevens Creek Sidewalk Renovation project under an accelerated schedule for the City of Cupertino. The City had made commitments to the community to deliver the project by early spring 2017 and engaged HMH in late fall 2016 to prepare plans for removal of pavers and installation of sidewalk improvements along the high-volume Stevens Creek downtown area, also known as the Heart of the City. Recognizing the City’s need, HMH focused on quick production of design drawings which provided adequate information for accurate bidding. The low bid received was within 5% of the Engineer’s Estimate and the project was built with time to spare ahead of the City’s committed schedule.
Replacement of existing sidewalk pavers with standard cast-in-place concrete sidewalk. This project was a result of a lawsuit against the City and was therefore very critical.
Working for the City of San Jose, HMH is leading the Project Approval / Environmental Document Phase of the US 101 / Blossom Hill Road Interchange Improvements. The project will widen the existing Blossom Hill Road Overcrossing from four lanes to six and will install a completely grade separated, Class I bicycle and pedestrian trail. By realigning and lowering the existing NB on-ramp, the project will provide a smooth and continuous path for bicycles and pedestrians to cross over 5,000 peak hour vehicles reducing user stress and connecting the existing Xanders Pedestrian Overcrossing to the Coyote Creek Trail.
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HMH is leading design efforts to implement the City of Cupertino’s first Class IV separated bikeway. As a key connector between Monta Vista High School, De Anza College, City Hall and Cupertino High School, the McClellan Road Separated Bikeways project will construct approximately three miles of separated, one-way cycle tracks and fill sidewalk gaps to assist residents and students who traverse the city and cross significant north-south thoroughfares at Bubb Road, Stelling Road and De Anza Blvd. In order to complete the project within desired Council timelines, HMH will work with the City to identify a phasing strategy that enables meaningful completion of project areas to deliver the project within a truncated schedule.
HMH is currently leading the City of Cupertino’s sidewalk improvement effort in the Monte Vista neighborhood of Cupertino. The City’s Pedestrian Transportation Plan identified several gaps in pedestrian connections adjacent to the Monta Vista High School. As part of the City’s Safe Routes to School Program, HMH is designing curb, gutter and sidewalk improvements to convert an area of incorporated county land up to current city standards.
The project faces both community and technical challenges due to the existing build out of the area. Private frontages without sidewalk improvements typically extend well into the proposed city street section and do not consider standard drainage patterns or ADA accessibility. In order to build the desired project, the city will acquire six property frontages and will relocate private fences, mailboxes, utility services, irrigation, and tree removals as well as rebuild private driveways, and warp sidewalk and curb paving to facilitate access and drainage. HMH is working closely to support the city and address each property owner’s specific concerns regarding their private properties.
Both projects required coordination with and concurrence from property owners in order to provide improvements that met the City’s goals while still respecting the concerns of property owners. This included acquiring property dedications at various locations where private improvements existed and coordinating with private utility companies for relocations.
HMH provided civil engineering services to the City of Cupertino to upgrade facilities in incorporated, county-acquired lands consistent with City goals for Complete Streets, Americans with Disabilities Act Compliance, and Safe Routes to Schools. The project consisted of curb, gutter and sidewalk improvements along Pasadena Avenue between Granada Avenue and Olive Street. HMH provided services from start to finish including topographic survey, utility coordination, public outreach and construction drawing preparation. The project was completed in November 2016 and serves as an example for the City’s efforts to install pedestrian facilities in the greater Monte Vista neighborhood.
HMH is performing civil engineering surveying for replacement of an existing structurally and geometrically deficient bridge along Uvas Road in southern Santa Clara County. The project includes roadway realignment and widening to improve safety and facilitate staging of construction for the 80-foot long single span structure. The design considered important habitat and environmental protection strategies at this rural wooded location, as well as profile changes to accommodate Llagas Creek flows under the bridge and access to private properties. Since the project is under the jurisdiction of Central Coast Regional Water Quality Control District, the design is intended to comply with the regional NPDES permit, by incorporating construction best management practices (BMP’s) and permanent biofiltration treatment measures.
HMH is a key subconsultant to the structural engineer Biggs Cardosa Associates, and responsible for civil engineering, land surveying and stormwater management.
HMH provided civil engineering services for a new bridge on Y Road at the San Benito River for the San Benito County Department of Public Works. The project is a 780-foot-long bridge at an existing low water crossing along Y Road, funded by the Federal Highway Bridge Program (HBP) with oversight by Caltrans District 5 Local Programs office on behalf of the FHWA.
The Low Water Crossing approximately 3 miles north of the City of San Juan Bautista, was maintained by the County for through traffic up until 1998. After receiving petitions from neighboring businesses and individuals, the County proposes to replace the existing lower water crossing with a new, six span cast-in-place post-tensioned box girder bridge.
HMH aided the County in coordinating with the Caltrans Local Programs office, performed aerial and ground topographic surveys for preliminary engineering and modeling for the Location Hydraulic Studies, right-of-way surveys and mapping to establish the bridge concept and initiate environmental clearance activities. However, the project was put on hold by the County in 2015.
HMH worked with VTA to complete the second phase of the U.S. 101 Operational Improvements between I-280/680 and Yerba Buena Road. This project was needed for congestion relief by extending southbound mainline improvements, converting the Capitol Expressway interchange into a partial cloverleaf, and adding ramp improvements at Yerba Buena Road.
HMH provided enhanced intersection designs to improve safety for pedestrians and bicyclists. Staff worked with Caltrans, VTA and Santa Clara County Roads & Airports Department representatives to incorporate the following public improvements into the project: pedestrian refuges, curb return bulb-outs, widened bike lanes and enhanced sidewalks. The ramp terminus intersections have also been carefully designed to limit turning radii and reduce the fastest path of vehicles crossing pedestrian crosswalks, while still accommodating truck turns for STAA (Surface Transportation Assistance Act) vehicles.
VTA reconstructed wider sidewalks on the existing overcrossings and took advantage of the opportunity to replace the bridge railing with unique aesthetic treatments consistent with the Tully Road interchange. Replacement planting was done within the interchange, along with street trees on widened sidewalks to improve the pedestrian experience.
HMH services included supplemental surveys using convention and 3-D laser scanning equipment, preparation of mandatory and advisory design exception fact sheets and geometric approval drawings. HMH complied with VTA Quality Assurance procedures and met the schedule, budget and SBE participation requirements.
In its current state, the I-280/Wolfe Interchange is severely congested and is projected to operate at a poor level of service as local developments continue to outpace the capacity of the existing infrastructure. As the primary point of access for the Apple Park Campus and Vallco Shopping Center, the interchange serves as a gateway to Cupertino. HMH quickly recognized the need for seamless implementation of complete streets elements and thorough consideration of the bicycle and pedestrian user experiences critical to the long-term success of the project.
HMH recently completed an Alternative Analysis and Caltrans Project Initiation Document (PID) to program project support staff and funding. HMH is currently leading the environmental phase (PA/ED) of the project which includes refinement of preferred project alternatives, evaluation of environmental impacts, including the Junipero Serra Channel bisecting the project, and detailed traffic operations modeling. HMH worked closely with VTA and Caltrans to accelerate project deliverables and combine submittals to simplify project review cycles.
The project is currently moving quickly on an accelerated project schedule to position for available Measure B funding, supplementing the City and local developer’s contributions.