Article 2
Terms used in these Regulations are defined as follows:
I. "Construction site" means the site, work areas or areas for piling materials of a construction project.
II. "Full-height sight-blocking barrier fence" means fencing that entirely uses materials without openings.
III. "Half-height sight-blocking barrier fence" means fencing that uses mesh or materials with openings above a height of 80 cm, and materials without openings for the rest.
IV. "Simple fence" means physical barrier equipment made of metal, concrete, or plastic materials that uses solid barricades or Jersey barriers as a base.
V. "Overflow protection base" means facilities installed at the base of the construction site fence to prevent the overflow of wastewater.
VI. "Dust-control fabric" means facilities made of cloth, canvas, or plastic fabric for preventing fugitive escape of dust.
VII. "Dust-control mesh" means facilities made of mesh material that prevent fugitive escape of dust.
VIII. "Coarse grade aggregate" means aggregate that can be spread on the ground to prevent the fugitive escape of dust.
IX. "Granular materials" means gravel, crushed stone or other particulate matter that can prevent the fugitive escape of dust.

Article 4
The construction projects referred to in these Regulations are Type 1 and Type 2 construction projects.
Those that meet one of the following circumstances shall be categorized as Type 1 construction projects:
I. Building construction projects measuring 4,600 (square meters multiplied by number of months) or greater.
II. Road and tunnel projects measuring 227,000 (square meters multiplied by number of months) or greater.
III. Pipeline projects measuring 8,600 (square meters multiplied by number of months) or greater.
IV. Bridge projects measuring 618,000 (square meters multiplied by number of months) or greater.
V. Regional development projects measuring 7.5 million (square meters multiplied by number of months) or greater.
VI. Dredging projects involving removed soil volume (loose volume) exceeding 10,000 cubic meters.
VII. Other construction projects with a contract price of at least NT$1,800,000.
Project size as referred to in the foregoing subparagraphs is the product of the area (square meters) under construction and the construction period (number of months). The construction period is calculated on the basis of a 30-day month.
Construction projects, aside from those listed in Paragraph 2, shall be categorized as Type 2 construction projects.

Article 13-1
While a construction project is underway, construction project owners shall ensure that the gasoline and diesel fuel used by the engines of equipment and machinery complies with the Standards for the Composition of Automobile Gasoline and Diesel Fuels.

Article 18
These Regulations shall take effect on July 1, 2004.
The revised articles of these Regulations shall, except when taking effect on January 1, 2014, take effect on the date of promulgation.