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Sahara Casino Resurfaces with Slurry Seal
By Eric Reimschiissel
When the Sahara Casino in Las Vegas decided to resurface its
largest parking lot, several options, including a complete overlay, new asphalt
mat and conventional seal coats were considered. After visiting sites and
weighing options, the Sahara decided to place an application of "Type Two
Fine Road Slurry Seal" per City of Las Vegas specifications.
 The
Sahara Casino, located on Sahara Avenue and Las Vegas Blvd., is a major Las
Vegas landmark, and is currently undergoing remodeling inside as well as
outside. This large lot will be used for all the parking in conjunction with the
concrete parking structure and will receive much more use than in the past. The
extra use was a major consideration when choosing a resurfacing product.
The parking lot is approximately 566,000 square feet covering
13 acres. The existing surface was raveled, with exposed asphalt rock,
presenting a rough surface texture. Due to the surface condition and planned
future use of the lot, the application needed to be long lasting and cost
effective. Type Two Slurry Seal fit the bill.
 The
Sahara Casino selected CPM West, a subsidiary of California Pavement
Maintenance, as the Slurry Seal Contractor. For the past two years, CPM West has
also been awarded the City of Las Vegas Slurry Seal Projects using Type Two Fine
Road Slurry Seal for parking lots and streets.
The City of Las Vegas is one of the largest users of Road
Slurry Seals in the nation. Road Slurry Seals have covered many millions of
square yards of asphalt in the Las Vegas area, adding to its functional life.
The City of Henderson, Clark County and Clark County School District have also
placed Type Two Road Slurry Seals in the region.
Type Two Fine Road Slurry Seal is an asphalt seal coat as well
as a thin resurfacing product. The material consists of emulsified asphalt,
¼" or #4 minus aggregate, and other materials to aid in application. The
materials are placed at an application rate of 14 lbs. per square yard, or
approximately ¼" thickness. Compared to a typical parking lot seal coat
placed a 2 lbs. per square yard, Type Two Slurry’s heavier application allows
for a longer lasting surface. The Type Two Slurry Seal materials are machine
mixed on site and placed through a spreader box onto the existing asphalt
surface.
 At the
Sahara, the equipment, aggregate and material storage area was set up on the
adjacent lot. This allowed a close working proximity between the job site and
the material stockpile. The work on the parking lot was divided into sections to
allow partial use of the parking lot during construction. Each section of the
lot was barricaded off the night prior to surfacing. The next morning started
with cleaning and preparing of the parking lot surface. This included removing
motor oil drippings and heavy paint lines from the asphalt surface. A grinder
was used to remove approximately 1/8" of material at these locations. This
type of grinding aids in the adhering of the slurry seal to the existing
surface. A brush and vacuum sweeper then swept the surface. This sweeper cleaned
the surface of all dirt and other objectionable materials. It’s important that
the surface be clean prior to the application of the slurry seal material.
The application of the Type Two Slurry Seal began by placing a
leveling or initial application to the rough and exposed aggregate areas. The
pre-level material consisted of the same gradation as the surface course, but
was placed at a heavier application. The pre-level application allows the
finished course to be a uniform and even surface. The placement of the Type Two
Slurry Seal was completed in three phases after the pre-leveling. After the
slurry seal was applied, striping the parking places completed the process.
As with any project, success at the Sahara was due to a team
effort. Jim Van Houten, the Project Manager or the Sahara, was very involved
with the coordination the project and helped in many ways. The security guards
and valet staff kept traffic moving and assisted hotel patrons in a timely
manner assuring that the project went as scheduled. Their assistance along with
our experienced crew insured easy access by the hotel and casino customers.
Little if any loss of business was experienced by the casino and hotel during
this construction project. It was business as usual at the Sahara.
Sahara Casino -
Acrobat (156k)
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