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11

Regnart Creek Trail

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The Regnart Creek Trail, envisioned in the City’s 2016 Bicycle Plan, provides a tremendous opportunity for off-street bicycle and pedestrian connections in an urban environment. Positioned along a 12’ access road, the project will re-purpose the existing Valley Water maintenance road with an 8’ decomposed granite trail. The project includes upgraded roadway crossings, a prefabricated bike/ped bridge and relocation of a maintenance ramp extending into Regnart Creek. HMH completed the Feasibility Study and is concurrently performing Environmental Clearance, Detailed Design and Permitting activities. The project, which abuts dozens of private back yards, has been controversial in the community. HMH has carefully balanced the needs of the community, the impacts to nearby residents and the requirements of Valley Water to deliver this complex project.

12

US 101 / De La Cruz / Trimble Interchange Improvements

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The US 101/De La Cruz Blvd/Trimble Road Interchange Improvement Project will improve traffic operations for through movements on the local roadway and turning movements to and from the freeway, as well as improve weaving and merging conditions along southbound US 101 between the loop on-ramp, loop off-ramp and the next downstream exit to Route 87. Upgrades will be implemented to better accommodate bicyclists and pedestrians at this critical link across US 101, consistent with current Complete Streets standards. Lastly, the project will replace the existing outdated overcrossing structure without further encroachment into approach and departure glide slope surfaces for the runways at the San Jose Mineta International Airport.
HMH will reconfigure the existing ¾ cloverleaf interchange into a partial cloverleaf and add a grade separated Class I trail under the high-volume southbound ramps. The project includes two protected intersections to connect the Class I facility to existing city streets. The local roadway is identified as a Cross County Bicycle Corridor (CCBC) network in the Countywide Bicycle Plan (May 2018) with a moderate to high priority for implementation. Also identified as an Across Barrier Connection (ABC), De La Cruz Boulevard/Trimble Road is one of a few connections across the US 101 freeway within the North San Jose area.

https://hmhca.com/wp-content/uploads/2019/07/20200228-FLYTHROUGH-reduced-file.mp4
 
 

13

Stevens Creek Sidewalk Renovation

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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.

14

US 101 / Blossom Hill Road Interchange Improvements

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Working for the City of San Jose, HMH led the Project Initiation Document, Project Approval & Environmental Document, and PS&E Phases of the award-winning US 101/Blossom Hill Road Interchange Improvement project. the project infilled and seismically retrofit the existing Blossom Hill Road Overcrossing from four to seven lanes, installed a completely grade separate Class I bicycle and pedestrian path for roughly 3000’ through the interchange. The existing northbound on-ramp was realigned and lowered 16’ to accommodate a 100’ clear-span truss POC over the on-ramp. This innovation allowed use of a linear, ADA compliant approach without switchbacks. The project also constructed two PUCs across the southbound ramps to eliminate bike/ped conflicts with over 5,000 peak hour vehicles throughout the project. The project closed a key gap to the Coyote Creek Trail and reconnected communities previously divided by the highway.
Overall, HMH services included project management, environmental technical studies, environmental clearance, topographic survey, right of way mapping, civil roadway, and landscape design, plans, specifications and estimates, and construction support.
 
AWARDS WON
  
 
Project Video Courtesy of VTA:
https://hmhca.com/wp-content/uploads/2017/11/101BHR_CTF.mp4
 
View the Truss Erection:
https://hmhca.com/wp-content/uploads/2017/11/US-101-Blossom-Hill-Road-Truss-Erection.mp4
 
 

15

McClellan Road Separated Bikeways

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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.

16

McClellan Road Sidewalk Improvements

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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.

17

Pasadena Sidewalk Improvements

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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.

18

Llagas Creek Bridge on Uvas Road

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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.
 

19

Y Road

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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.

20

US 101 Interchanges at Capitol Expressway and at Yerba Buena Road

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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.