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- / SR 924 Gratigny Parkway
projects / Limited Access
SR 924/Gratigny Parkway
The scope of work consisted of the installation of a new drainage conveyance system, including 15 drainage structures, 1,529 LF of drainage pipe ranging from 15” to 54” diameter, the construction of a 2.31 acre retention pond, 84 LF of twin jack and bore 36” pipe, and 16,580 SF of temporary sheet pile; the installation of six Solar-Powered Speed Feedback assemblies (SPSF), four on the outside shoulder and two which are called out to be installed within the median barrier wall; the milling and resurfacing of all lanes and ramps of SR 924 from SR 826 to just west of NW 67th Avenue.
Sergio Gonzalez, PE
$3.2 million
Miami-Dade Expressway Authority
Miami-Dade County, Florida
March 2018 – December 2018
10.1 Roadway CEI 10.3 Construction Materials Inspection 10.4 Minor Bridge and Miscellaneous Structures CEI

Movable Bridge
Bascule bridge rehabilitations and reconstructions

Roadway
Urban and rural roadway projects, from conventional design-bid-build to design-build

Bridge
Steel plate, tub girder and concrete bridge rehabilitations and reconstructions

Limited Access
Interstates, freeways and expressways

ITS & Tolling
All components of Intelligent Transportation Systems (ITS) and signaling

Transit
Vertical construction, multimodal facilities and other infrastructure projects