Project

SPANE PARK STORMWATER CAPTURE PROJECT | CITY OF PARAMOUNT – 2022 (IN PROGRESS)

Spane Park is a city-owned park in Paramount and is a Tributary to LA River. The park is in a disadvantaged community and was identified as an optimal regional project location in the Lower Los Angeles River Watershed Management Program (LLAR WMP). The Project takes advantage of pending park rehabilitation to install a 3.5-acre-foot capacity […]

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SAN PASCUAL REGIONAL PARK STORMWATER CAPTURE PROJECT | CITY OF PASADENA – 2022 (IN PROGRESS)

The San Rafael Creek and the Arroyo Seco channel are located just south of San Rafael Ave in Pasadena, CA. A new proposed infiltration basin will intercept some wet weather flows from the San Rafael Creek which conveys runoff primarily from Los Angeles and Pasadena to the Arroyo Seco Channel. All dry weather flows will

SAN PASCUAL REGIONAL PARK STORMWATER CAPTURE PROJECT | CITY OF PASADENA – 2022 (IN PROGRESS) Read More »

STAGECOACH WATER SYSTEM HYDRAULIC MODEL, STAGECOACH GENERAL IMPROVEMENT DISTRICT, SUBCONSULTANT TO NCE | 2022

Stagecoach Water General Improvement District installed piping improvements and required an updated fire flow analysis to ensure the water system improvements did not negatively impact the capacity and pressures. We provided guidance and our hydraulic modeling expertise in WaterCAD to NCE by assisting with both the required updates to the hydraulic model and the results

STAGECOACH WATER SYSTEM HYDRAULIC MODEL, STAGECOACH GENERAL IMPROVEMENT DISTRICT, SUBCONSULTANT TO NCE | 2022 Read More »

LEXINGTON RESERVOIR RAW WATER INTAKE FEASIBILITY STUDY | SAN JOSE WATER COMPANY – 2021 (IN PROGRESS)

Lexington Reservoir is located on Los Gatos Creek (downstream of Lake Elsman) and has an approximate capacity of 19,000 acre-feet. Lexington Reservoir is owned and operated by Santa Clara Valley Water District (Valley Water, VW) to store water, meet water supply, flood risk reduction, and to provide secondary recreational benefits. Water is captured during the

LEXINGTON RESERVOIR RAW WATER INTAKE FEASIBILITY STUDY | SAN JOSE WATER COMPANY – 2021 (IN PROGRESS) Read More »

Brown Street Sewer and Water Main Replacement Design | City of Healdsburg – 2022 (In progress)

Myriad Engineering provided design services for the replacement of sewer and water mains, laterals, and meters in the Old Town area of Healdsburg. A topographic survey was completed by our subconsultants and used along with utility mapping to develop an alignment that provided required clearances between utilities, was constructable, and minimized impact to the residents.

Brown Street Sewer and Water Main Replacement Design | City of Healdsburg – 2022 (In progress) Read More »

TECHNICAL AND CONSTRUCTABILITY REVIEW – PFAS TREATMENT DESIGN | CITY OF PICO RIVERA – 2021

Based on monitoring results from August 2019, it was determined that the Notification Level for perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS) in the groundwater served to customers had been exceeded but was below the Response Level.  Pico Rivera Water Authority’s (PRWA’s) need for PFAS (Per- and polyfluoroalkyl substances) remediation increased significantly with implementation of

TECHNICAL AND CONSTRUCTABILITY REVIEW – PFAS TREATMENT DESIGN | CITY OF PICO RIVERA – 2021 Read More »

FRESNO TRUCK WASH TREATMENT ALTERNATIVES ANALYSIS | FRESNO TRUCK WASH LLC – 2020

The Fresno Truck Wash (FTW) facility pretreats wastewater generated from washing trucks on site prior to discharging to the Malaga County Water District (the District) sewerage infrastructure. The FTW was originally designed to treat 2,500 gallons per day (gals/day) of wastewater was modified over time to accept a higher wastewater stream.  At the time of

FRESNO TRUCK WASH TREATMENT ALTERNATIVES ANALYSIS | FRESNO TRUCK WASH LLC – 2020 Read More »

TOWN RENOVATION – SEWER DESIGN | COUNTY OF MARIPOSA DEPARTMENT OF PUBLIC WORKS – 2020

Myriad Engineering provided sewer design services for a 10,000 LF sewer pipeline project in the historic downtown area of Mariposa to increase reliability for impacted businesses and residents. Based on video survey, we determined the VCP joints failed due to extensive root intrusion that also caused displacement. Additionally, a review of the original as-built drawings

TOWN RENOVATION – SEWER DESIGN | COUNTY OF MARIPOSA DEPARTMENT OF PUBLIC WORKS – 2020 Read More »

RECYCLED WATER SYSTEM EXPANSION DESIGN | CITY OF HEALDSBURG – 2020

Myriad Engineering provided drafting and design assistance services for approximately 10,000 LF of recycled water for crop irrigation of agriculture properties in the surrounding hillside area of Healdsburg. The project scope included 3,600 feet of 12-inch pipeline, 6,000 feet of 8-inch pipeline, a Booster pump station, and all appurtenances required for a functional system.  We

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