4 description of the human environment, potential ... - Lee Altenberg

Final Environmental Impact Statement
water and sewer infrastructure) include activity associated with human habitation, and
natural sources, such as wind, rain, and birds.
Currently, existing traffic noise levels along Highway south of Maui Meadows in
the immediate vicinity of the Property do not exceed U.S. Federal Highway Administration
(FHWA) or State DOT noise standards for residential structures. However, existing traffic
noise levels at two residences adjacent north of the
Highway/Okalani Drive/Mikioi Place currently exceed State DOT noise standards for
residential structures.
Some existing residences makai of presently benefit from the noise
shielding effects of walls which have been constructed along the lot boundary lines.
Residences in the Maui Meadows subdivision on the mauka side of the highway benefit
from the noise shielding effect of the large highway cuts. In general, if the visual lines of
sight between the residences are blocked by the walls or the highway cuts, residences
experience lower traffic noise levels due to the sound attenuation effects of the
obstructions.
Along Wailea Ike Drive existing traffic noise levels do not exceed the FHWA or DOT
noise standards for residential structures at Wailea Ekolu Village, which is located on the
south side of Wailea Ike Drive. Existing traffic noise levels from Wailea Ike Drive also do
not exceed FHWA and DOT noise standards for commercial buildings.
POTENTIAL IMPACTS AND MITIGATION MEASURES
Potential impacts on the ambient quality of the site and surrounding area due to the
, the widening of Piÿilani Highway, the Wailea Alanui Drive
intersection improvements, and the off-site water and wastewater infrastructure, are
primarily limited to short-term construction activity and, in the long-term, increases in
traffic and human activity within the community.
Short-term Impacts During construction of Honuaÿula, the widening of Piÿilani
Highway, the Wailea Ike Drive and Wailea Alanui Drive intersection improvements, and
the off-site water and wastewater infrastructure there will likely be noise impacts
associated with operation of heavy construction machinery, paving equipment, and
material transport vehicles, and possible blasting to break or dislodge rock. As an
alternative to blasting, the use of chemical expansion to break or dislodge rock will be
considered. Chemical demolition agents are non-toxic and provide environmentallyfriendly,
safe, controlled demolition. Expansive powers are mixed with water and poured
into pre-drilled holes in rock. The non-explosive demolition agent swells and exerts
significant expansive thrust on the hole-wall. After a certain period, the pressure induced
by the chemical non-explosive demolition agent fractures the wall and splits the rock
across the line of the drill holes. These chemicals easily split and fracture mass rock
without producing any noise or vibration.
CHAPTER 4 DESCRIPTION OF THE HUMAN ENVIRONMENT, POTENTIAL IMPACTS, AND MITIGATION MEASURES
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