In the wake of the tragic Surfside condominium collapse, Florida lawmakers passed legislation focused on enhancing building safety and preventing similar disasters. The “Milestone Inspection Bill,”
Vibro Stone Columns: Self Storage Building, Tampa, FL
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[cs_content][cs_element_section _id=”1″ ][cs_element_row _id=”2″ ][cs_element_column _id=”3″ ][cs_element_headline _id=”4″ ][cs_content_seo]Gandy Self Storage\n\n[/cs_content_seo][/cs_element_column][/cs_element_row][/cs_element_section][cs_element_section _id=”5″ ][cs_element_row _id=”6″ ][cs_element_column _id=”7″ ][cs_element_video _id=”8″ ][cs_element_gap _id=”9″ ][/cs_element_column][cs_element_column _id=”10″ ][cs_element_headline _id=”11″ ][cs_content_seo]Tampa, FL\n\n[/cs_content_seo][cs_element_gap _id=”12″ ][cs_element_text _id=”13″ ][cs_content_seo]CLIENT: Plaza Construction
ENGINEER: ECS Florida
MARKET: Retail
SOLUTION: Ground Improvement
SERVICES: Compaction Grout,Vibro \n\n[/cs_content_seo][cs_element_gap _id=”14″ ][cs_element_headline _id=”15″ ][cs_content_seo]Ground improvement for a 5-story, storage facility\n\n[/cs_content_seo][cs_element_headline _id=”16″ ][cs_content_seo]21 Compaction Grout Injection Points\n\n[/cs_content_seo][cs_element_headline _id=”17″ ][cs_content_seo]220 Vibro-Replacement Stone Columns\n\n[/cs_content_seo][cs_element_gap _id=”18″ ][cs_element_button _id=”19″ ][cs_content_seo]Project PDF\n\n[/cs_content_seo][cs_element_social _id=”20″ ][cs_element_social _id=”21″ ][cs_element_social _id=”22″ ][cs_element_social _id=”23″ ][/cs_element_column][/cs_element_row][/cs_element_section][cs_element_section _id=”24″ ][cs_element_layout_row _id=”25″ ][cs_element_layout_column _id=”26″ ][cs_element_text _id=”27″ ][cs_content_seo]Project\n\n[/cs_content_seo][cs_element_text _id=”28″ ][cs_content_seo]The project is a new self‐storage facility on W. Gandy Boulevard in Tampa, Hillsborough County. The structure is a 5‐story storage facility with associated parking and drive areas. The site consists of an approximate 0.62‐acre. The site is bounded to the north by trees and a creek, to the west & east by commercial property, and to the south by West Gandy Boulevard. Due to the presence of very loose soils at depths between 20 and 40 feet below grade within the borings along the western extent of the building, a pre‐construction Compaction Grout (CG) program was performed within this area. Additionally, the client chose to also use a ground improvement program of Vibro‐Replacement Stone Columns (VSC), which were used to improve the shallow overburden soils upon completion of the pre-construction grout program and provide an allowable net bearing capacity of 6,000 psf.\n\n[/cs_content_seo][/cs_element_layout_column][/cs_element_layout_row][/cs_element_section][cs_element_section _id=”29″ ][cs_element_layout_row _id=”30″ ][cs_element_layout_column _id=”31″ ][cs_element_text _id=”32″ ][cs_content_seo]Challenge\n\n[/cs_content_seo][cs_element_text _id=”33″ ][cs_content_seo]• Overhead power lines• Limited access within the tight, roadside site requiring MOT• Limited movement around the site, due to neighboring commercial properties• Delicate installation techniques along the north creek\n\n[/cs_content_seo][/cs_element_layout_column][/cs_element_layout_row][/cs_element_section][cs_element_section _id=”34″ ][cs_element_layout_row _id=”35″ ][cs_element_layout_column _id=”36″ ][cs_element_text _id=”37″ ][cs_content_seo]Solution\n\n[/cs_content_seo][cs_element_text _id=”38″ ][cs_content_seo]Helicon followed the Compaction Grout (CG) parameters, provided by the Geotechnical Engineer of Record, during the installation. Our crew installed (21) grout injection points to approximately 40‐45 feet. Helicon also worked alongside the general contractor & the geotechnical/structural design teams, to develop a site‐conscious Vibro‐Replacement design submittal. The VSC Program was designed to meet the design load criteria of 6,000 psf allowable. Helicon’s VSC crew worked approx. 10‐hour shifts for six days a week, in order to meet the client’s critical path schedule. Efficient planning & coordination was key to overcoming the challenges & limitations. (220) Vibro‐Replacement Stone Columns (VSC) were installed from site grade to depths ranging from 15‐ft to 25‐ft. Helicon collaborated with theGeotechnical Engineer of Record throughout the work and confirmed all recommended criteria were followed. The CG & VSC work was successfully completed in just (10) days and finished on‐time and within budget.\n\n[/cs_content_seo][/cs_element_layout_column][/cs_element_layout_row][/cs_element_section][cs_element_section _id=”39″ ][cs_element_row _id=”40″ ][cs_element_column _id=”41″ ][cs_element_image _id=”42″ ][cs_element_image _id=”43″ ][cs_element_gap _id=”44″ ][/cs_element_column][cs_element_column _id=”45″ ][cs_element_image _id=”46″ ][cs_element_image _id=”47″ ][/cs_element_column][/cs_element_row][/cs_element_section][/cs_content]
