COWLING, JEFFREY, QSP
Construction Inspector/SWPPP
Years of Experience
33 Education
B.S., Construction Management, Sacramento State University, 1983 Professional Certifications
CESSWI/QSP Stormwater Inspector/Practitioner
Professional Proficiencies
Stormwater Pollution Prevention Compliance, ADA/Title 24, Cathodic Protection, Computer Excel/WORD, Caltrans/Contra Costa County Standard Plans & Specifications
Key Qualifications
Jeffrey Cowling has over 33 years of construction management experience. He has worked on a variety public works roadway/infrastructure and transit projects as field inspector, resident engineer, project manager, project coordinator and project engineer. He worked for the City of Brentwood for 14 years as a construction inspector in the public works and engineering department and was also the storm water permit compliance coordinator. Sample projects have included Caltrans freeway and bridge, building facilities, BART train car maintenance yard and shop upgrades, track realignment and station improvements, system wide renovations at maintenance facilities and stations, intermodal modifications, ADA compliance upgrades and security system upgrades, new roadway/freeway construction, roadway widening, AC overlay, soundwall/retaining wall construction, landscaping, bio- retention facilities, and building/high-rise construction. Jeff has managed and coordinated funding for various projects involving new freeways, bridges, city roadways, and BART extensions.
Project Experience
• CalRecycle Program, Santa Cruz, CA. Inspector. Perform environmental assessments related to water quality and BMP’s for CalOES Phase II fire debris cleanup on private parcels in Santa Cruz, Monterey and Santa Clara Counties. Document and photograph all pre-cleanup conditions, during cleanup activities and post cleanup conditions. Perform private access road surveys for problematic accesses requiring roadway improvements. Prepare reports for proposed work and potential threats to water bodies. Assess water body classifications and topographic erosion threat levels.
Investigate contamination, spills and erosion incidents, and prepare reports. Procure water and/or soil sampling and testing as necessary. Evaluate water body permitting requirements with respective agencies as necessary.
• Three Creeks Parkway Restoration Project, Contra Costa County, CA Public Works. Construction Inspector. Project included 4,200 lineal feet of creek bank and channel widening for improved stormwater hydraulics, enhanced recreational access, restoration of wildlife habitat and preparation for riparian parkway landscaping. Work included an expanded bio-infiltration basin for improved water quality and flood control enhancement, recreational, wildlife and interpretive enhancements, channel excavation/grading, rock slope stabilization and scour protection of channel banks and sewer undercrossings at directional transitions, soldier pile retaining wall, reinforced PCC trail bridge undercrossing, AC and PCC trail and gravel Flood Control District maintenance road realignments/conforms, installation of potable and non-potable irrigation mainlines with hot taps, preparation for riparian landscaping, construction of storm drain inlets and outfalls, native material stockpiling for future development, water quality reporting, Jeff Cowling, QSP
pedestrian detours, traffic control, and preparation of as-built drawings. Responsibilities included extensive coordination with Contra Costa County Public Works and Flood Control District, City of Brentwood, Regional Water Quality Control Board, East Bay Regional Park District, East Contra Costa Irrigation District, Hancock Development, and general public trail users. • City of Napa Public Works/Engineering, On-Call Consultant Services, Napa, CA Construction Inspector. Projects included new development residential subdivisions, multi-family housing, commercial construction and capital improvements. Work included mass grading, wet utility construction/tie-ins, directional boring, joint trench, traffic signals, streetlights, striping, structural section grading, paving, soundwalls/retaining walls, landscaping, bio-retention facilities and roadway washout repair/replacement with slope stabilization above creek radius scouring. Responsibilities included utility coordination, USA verification/potholing, public outreach to affected residents, businesses, and schools, quantity measurements/tracking, material/backfill compaction and wet utility testing/quality assurance, conduit mandrelling, conducting pre-construction meetings, project acceptance and warranty inspections, compiling and tracking punchlists, and as-built drawings review/verification. • SB I-680 Express Lanes, Caltrans, Walnut Creek, Pleasant Hill, Concord and Martinez, CA.
Construction Inspector. Project Included the construction of new southbound freeway lanes, soldier pile and MSE retaining walls, median barriers, lighting, electrical preparation for new traffic management system equipment, restriping, curb, gutter, sidewalk and driveways, ramps, freeway/roadway structural sections and paving, directional boring, pile drilling, demolition and stage construction. Responsibilities included inspection of materials for contract compliance and coordination with California Highway Patrol (COZEEP) for lane/ramp closures. • San Francisco Bay Trail at Lone Tree Point, Hercules & Rodeo, CA: As Construction Inspector, Jeff is providing construction management services for this project which includes approximately 2,750LF of multi-use trail and a design-build pedestrian bridge. The proposed trail is 10ft wide and fully accessible, with 2ft shoulders. Surfacing consists of hot mix asphalt and decomposed granite for the shoulders. The proposed pedestrian bridge is a 200ft clear-span steel bridge, placed over a seasonal wetland. The bridge abutments are supported on CIDH concrete piling. Other project improvements include provisions for a prefabricated restroom, parking area, and drainage crossings.
• San Francisco-Oakland Bay Bridge Metering Lights Upgrade, Bay Area Toll Authority, Oakland, CA.
Construction Inspector. Project included replacement of the metering lights system at the eastbound Bay Bridge Toll Plaza to improve traffic capacity, efficiency and safety. Work included replacement/installation of detector loops, fiber optic system, metering lights, variable message boards, CCTV camera system, metering light controller equipment, network equipment and construction of a new data center in the toll plaza administrative building. Responsibilities included inspection of potholing, demolitions, horizontal borings, loop installations, wire pulling, new materials and equipment compliance, coordination of all traffic control activities including lane, ramp and toll booth closures, detours, signage, cone and barricade placement, coordination with toll plaza personnel and California Highway Patrol (COZEEP), and mandated lane closure notifications to Caltrans.
• Balfour Shoulder Widening, Phase I, Contra Costa County, Brentwood, California. Construction Inspector. Project generally consisted of improvements to Balfour Road from Byron Highway to Bixler Road with approximately one mile of pavement widening, including overhead and underground utility relocations, drainage systems with outfall to wetland swale, driveway conforms, relocating mailboxes, signing, thermoplastic striping pavement markings and public outreach with residents and businesses.
Jeff Cowling, QSP
• Byron Highway/Camino Diablo Intersection Safety Improvements, Contra Costa County, CA Public Works. Construction Inspector. Project consisted new traffic signal installation with pavement widening for three of the four legs of the intersection. In conjunction, Union Pacific Railroad improved the railroad crossing at Camino Diablo by installing new railroad panels and railroad crossing gates. The project also provided pedestrian facilities along Camino Diablo from the intersection of Main Street to Byron Highway. Work included utility relocations, new drainage systems and drainage modifications, HMA paving, cold planning, HMA overlay, curb, gutter & sidewalk, stage construction, driveway conforms, mailbox relocations, signing, thermoplastic striping. Coordination with residents, businesses, Contra Costa County and Union Pacific Railroad was necessary.
• SR 4/Sand Creek Road. Lone Tree Way and SR 4/Balfour Interchanges, City of Brentwood/Caltrans.
Construction Inspector. Projects included the construction of new bridges and on/off ramps, highway widening, utility extensions/realignments, joint trench realignment, high pressure gas line and pump station relocation, and contaminated soil remediation. Work also included mass grading, wet utility construction/tie-ins, directional boring, cathodic protection, joint trench, traffic signals, streetlights, striping, structural section grading, paving, soundwalls/retaining walls and bio-retention facilities. Responsibilities included utility coordination, USA verification/potholing, public outreach to affected residents, businesses, and schools, material/backfill compaction and wet utility testing/quality assurance, conduit mandrelling, conducting pre-construction meetings, project acceptance and warranty inspections, compiling and tracking punchlists, and as-built drawings review/ verification. Coordinated with Caltrans’ resident engineers, structure representatives and inspectors, attended progress/coordination meetings, reviewed/approved submittals
• City of Brentwood Public Works/Engineering Construction Inspector. Projects included numerous new development subdivisions, CIP roadways, widening and extensions, overlays, slurry seals, ADA sidewalk/handicap ramp upgrades and retrofits on collector streets and major arterials. Work included mass grading, wet utility construction/tie-ins, directional boring, cathodic protection, joint trench, traffic signals, streetlights, striping, structural section grading, paving, soundwalls/ retaining walls, landscaping and bio-retention facilities. Responsibilities included utility coordination, USA verification/potholing, public outreach to affected residents, businesses, and schools, quantity measurements/tracking, material/ backfill compaction and wet utility testing/ quality assurance, conduit mandrelling, conducting pre-construction meetings, project acceptance and warranty inspections, compiling and tracking punchlists, and as-built drawings review/ verification. Major arterials included, among others, Balfour Road, Sand Creek Road, Sellers Road, Fairview Avenue, Lone Tree Way, Concord Avenue, O’Hara Avenue and Brentwood Boulevard.
Experience with standard hot mix asphalt, asphalt rubber, reinforced and architectural concrete.
Other duties included stormwater MS4 permit compliance coordination, attending Clean Water Program meetings, performing inspections, preparing reports, responding to complaints and illicit discharges/spills, implementing public outreach, coordinating volunteers to assess/ cleanup trash, managing EPA/Regional Water Quality Control Board audits, and data base tracking of inspections, violations, non-compliances and complaints, reviewed/approved payments. • Contra Costa County Transportation Authority Measure C Funding project programming and coordination. Project Manager/Coordinator. Programmed funding for City/County /Caltrans proponent projects.