For purposes of this Chapter 25, the following definitions shall apply. Where a federal, State, or City law is cross-referenced as part of a definition, it is intended that the cross-reference include future amendments to the cross-referenced provision.
"Air Pollutant Exposure Zone" means a zone having a substantially greater than average concentration of air pollutants as defined in Health Code Section 3804.
"Alternative Fuels" means any transportation fuel that is less polluting than gasoline or petroleum diesel fuel, as determined by the California Air Resource Board and that is shown to have lower lifecycle carbon emissions than gasoline or petroleum diesel. Alternative Fuels may include, but are not limited to: natural gas; propane; biofuels from low carbon, sustainable and preferably local sources; hydrogen produced from low carbon and/or renewable sources; and electricity.
"Alternative Sources of Power" means utility-based electric power or other power sources other than diesel engines.
"ARB" means the California Air Resources Board.
"City" means the City and County of San Francisco.
"Construction" means building, demolition, excavation, grading or foundation work, whether or not the work requires a City permit. "Construction" does not include the issuance or obtaining of a site permit for a project.
"Construction Activities" means the performance of all work involved in or required for Construction.
"Construction Phase" means a particular construction activity over a certain period of time. Construction phases may include, but are not limited to, demolition, site preparation, grading, building construction, architectural coatings, and paving. Multiple Construction Phases of a single project may take place at the same time.
"Contractor" means a party who contracts directly with the City to perform construction services relevant to a Public Work or improvement. "Contractor" also includes a City department when the department itself performs construction services relevant to a Public Work or improvement.
"Department Head" means the general manager, director, or executive director of a City department authorized to perform Public Works, or that person's designee.
"Equipment" means off-road and on-road equipment.
"Equipment Type" means a category of off-road equipment. Types of off-road equipment include bore/drill rigs, cranes, crawler tractors, excavators, graders, off-highway tractors, off-highway trucks, other construction equipment, pavers, paving equipment, rollers, rough terrain forklifts, rubber-tired dozers, rubber-tired loaders, scrapers, skid steer loaders, surfacing equipment, tractors/loaders/backhoes, and trenchers.
"Major Construction Project" means a public work to be performed within the geographic limits of the City that uses off-road equipment and that is estimated to require 20 or more cumulative days of work, including non-consecutive days, to complete.
"Most Effective Verified Diesel Emission Control Strategy" means a device, system or strategy that is verified, pursuant to Division 3, Chapter 14, of Title 13 of the California Code of Regulations, to achieve the highest level of pollution control tram an off-road vehicle.
"Off-Road Engine" means a non-road engine as defined in Title 40 of the Code of Federal Regulations, Section 89.2.
"Off-Road Equipment" means equipment with an off-road engine having greater than 25 horsepower and operating for more than 20 total hours over the entire duration of Construction Activities.
"On-Road Equipment" means a heavy-duty vehicle as defined in Title 40 of the Code of Federal Regulations, Section 86.1803-01.
"Portable Diesel Engine" means a diesel engine that is portable as defined in 71 California Code of Regulations, Section 93116.2(bb).
"Public Work" means a contract for the erection, construction, renovation, alteration, improvement, demolition, excavation, installation, or repair of any public building, structure, infrastructure, bridge, road, street, park, dam, tunnel, utility or similar public facility that is performed by or for the City, and the cost of which is to be paid wholly or partially out of moneys deposited in the City Treasury or out of trust monies under the control of or collected by the City.
"Sensitive Use" means a category of building use identified as a "Sensitive Use" in Health Code Section 3804.
"Tier 2 Off-Road Emission Standards" means the Tier 2 new engine emission standards in Title 13, California Code of Regulations, Section 2423(b)(1)(A) and/or Title 40, Code of Federal Regulations, Part 89.112(a).
"VDECS" means a verified diesel emission control strategy, designed primarily for the reduction of diesel particulate matter emissions, which has been verified by ARB pursuant to "Verification Procedures, Warranty and In-Use Strategies to Control Emissions from Diesel Engines," Title 13, California Code of Regulations, Sections 2700-2710. VDECS can be verified to achieve Level 1 diesel particulate matter reductions (at least 25 percent), Level 2 diesel particulate matter reductions (at least 50 percent), or Level 3 diesel particulate matter reductions (at least 85 percent).