Soil Remediation/Scrubbing System
Sacramento, California
Assessment and field measurement of community noise impact of scrubber fan, pumps and exhaust air stack. Measurements were conducted of multiple system operation
modes and at two community receptor locations. Measurements were taken of each in dBA (overall), as well as 1/3 octave and narrow band spectrums. Provision of recommendations for mitigation of impact to
comply with City of Sacramento standards.
Client: Terra Vac
San Leandro, California
Material Recovery and Transfer Facility
- South San Francisco Scavenger
South San Francisco, California
Assessed mitigation measures necessary to permit operations by high load waste transfer and commercial haul trucks in a site adjacent to the San Francisco Bay
including the San Francisco Bay Trail
Client: San Francisco Scavenger
South San Francisco, California
- Richmond Waste Transfer & Sanitary Facility
West County Resource Recovery
Richmond, California
Mitigation of construction and operation noise for a waste recycling facility serving 80 residential and two dozen commercial haul trucks. Site is adjacent
to a residential neighborhood. During design phase SFMI surveyed similar operations at other facilities, and conducted on-site mockup of trucking operations and provided design mitigation measures.
SFMI also performed pre-construction ambient survey, noise compliance survey during construction phase as well as post completion operations noise compliance survey.
Client: West County Resource Recovery
- Preston Lumber Mill
Cloverdale, California
Community noise assessment of 45 year old saw mill now surrounded by residences. 14 hour simultaneous survey of 5 community points. Sources included debarking machines, ripping saw,
planers, log loaders, highway log trucks, forklifts, water trucks, pumps, dust collector fans. Analysis conducted according to multiple noise standards. Individual spectral measurement of specific yard
vehicles identified several modes of operation as the principal contributors to excessive noise emissions. SFMI's recommendations led to retirement of vehicles too old to repair.
Client: Pacific Lumber, Cloverdale, California
- Orowheat/Bestfoods Baking, South San Francisco
Measured existing sound levels of 40 year old industrial baking and distribution/trucking facility adjacent to residential housing. Five days of continuous
measurement, assessment of changes that construction of a new distribution facility would produce
Client: Orowheat/Bestfoods, South San Francisco, California
- Ryder Truck, Foothill Bus Line, City of El Monte, California
To mitigate the existing noise impact of 280 bus/truck maintenance and repair yard, operating 24 hours a day, and to further allow it to double its operational
size; SFMI performed measurements and engineered mitigation measures acceptable to the City of El Monte Planning Commission.
Client: Ryder Truck, Houston, Texas
- Richmond Machine and Fabricating, Inc., Railcar Repair Operation Noise & Vibration, Richmond, California
To allow RMF to review the impact of proposed zoning changes, put forth by the City of Richmond and Contra Costa County, prior to their implementation; SFMI performed property line
noise and vibration measurement of the operation. SFMI also made comparative measurement of impact from surrounding road and rail operations
- Tomy Toy Corporation, Carson, CA
Factory Noise Level Reduction. As part of renovation, SFMI engineered mitigation measures to reduce the noise levels inside the factory.
- Ricoh Electronics, Anaheim, California
Toner Production Process Noise Control and HVAC noise control for Ricoh's main U.S. Toner plant, including field measurement and schematic design.
- Cheese Board Collective, Berkeley, CA
Machine Noise Control Mitigation & Room Acoustics in retail cheese store/bakery.
- Bridgestone Tires, Torrance, California
Office & Distribution Facility, Exterior Sound Isolation
Architect: Kajima Associates, Los Angeles
- Chino Warehouse Facility, Chino, California
2 Multi-Tenant Truck Operations Centers, Community Noise Impact Assessment
Developer: Zellman Development, Los Angeles, California
- TCI Aluminum, Long Beach, California
Chop Saw Noise Control
- Scanray Headquarters, Carson, California
HVAC Noise Control and Exterior Sound Isolation
Architect: Hill, Pinckert Architects, Inc., Irvine, California
- Daiwa, Long Beach, California
Office & Distribution Facility, Exterior Sound Isolation
Architect: Kajima Associates, Los Angeles, California