| Hyatt
Regency Grand Coast Resort
Huntington Beach, California
Buildings Home > Case
Studies: Hotels > Hyatt Regency Grand Coast Resort
 Huntington
Beach has been working for a number of years to upgrade its beachfront
to attract more visitors to the laid back atmosphere in Surf City. The
Hyatt Regency Grand Coast Resort construction strategically contributes
to this transformation by adding a major resort and conference center.
Opened in 2003, the Mediterranean-style hotel provides luxury accommodations
while preserving the relaxed beach community atmosphere.
 The
resort’s 4-story, 500,000-square-foot super-structure offers 517
guestrooms and 57 suites. It is configured in four wings extending out
toward the ocean and offering spectacular views of the Pacific while surrounding
the hotel’s scenic courtyards. Both hotel and the 110,000-square-foot
conference center of indoor and outdoor function space are supported on
a 2-level, 400,000-square-foot underground parking garage providing 1000
parking stalls. The resort provides retail shops, restaurants, and its
very own pedestrian bridge across the Pacific Coast Highway, allowing
convenient access to the beach and the famed Huntington Beach Pier.
 To
minimize floor-to-floor heights, upper hotel levels are 8-inch-thick post-tensioned
concrete floor plates where approximately 500,000 square feet of slab
was cast in a 3-month period. Spanning 29 feet in typical bays, the floor
system allowed flexibility in locating the 14 x 28-inch columns. To accommodate
open areas at the lower floors, about 100 post-tensioned concrete girders
transferred column loads with minimal deflection. With dimensions up to
4 feet in width by 4.5 feet in depth, the transfer girders utilized up
to forty-four 0.6-inch-diameter harped tendons. Cast-in-place concrete,
12 to 24 inches in thickness, formed shear walls at the interior and at
the perimeter to carry lateral forces to the hotel foundations. Because
of dimensional limitations, some shear walls required higher modulus to
achieve the desired stiffness, and 7000-psi compressive strength concrete
provided the appropriate and easy solution.
The selection of a concrete structural system for the hotel enabled flexibility
in varying the layout at different levels, provided the required fire
separation without the additional fireproofing measures, and eliminated
the ceiling space. Concrete also provided favorable sound attenuation
and vibration control, essential for a luxury hotel.
Combining hotel guestrooms at the upper levels, common gathering and
convention areas at the plaza level, and parking below grade created challenging
project architecture. Concrete provided the flexibility to accommodate
the need for varying column layouts with minimum floor depth and the speed
to achieve the desired schedule.
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The parking garage is constructed of mildly reinforced concrete slabs
supported by concrete columns, interior concrete masonry walls, and perimeter
concrete masonry retaining walls. Because the plan dimensions of the parking
structure are greater than the hotel and conference center above, its
plaza or top level was designed to support the hefty weight of soil and
landscaping, including the courtyard fountains. The 500-psf uniform load
also considered the construction equipment as well as fire truck loading
at driveways adjacent to the conference center.
A combination of shallow spread footings under the gravity columns and
precast post-tensioned square concrete piles under the shear walls were
used for building foundations. The large tension and compression capacity
of the piles allowed for shorter and less frequent shear walls. This was
particularly desirable for the parking structure large floor plates where
restraint of floor shrinkage generated by multiple shear walls would not
be favorable. Accelerating construction, three tower cranes simultaneously
supported concrete placement sequencing from opposite ends of the project.
At the height of the project, a total of 1350 yards of concrete was placed
in a single day.
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| Owner/Developer:
PCH Beach Resort, LLC, Newport Beach, California
Architect:
Wimberly, Allison, Tong & Goo, Newport Beach, California
Structural Engineer: Ficcadenti & Waggoner
C.S.E., Inc., Irvine, California
General Contractor/ Concrete Subcontractor:
PCL Construction Services, Inc., Glendale, California
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