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: Mixed-Use, 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]Lector 85 Mixed-Use Building\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: Juneau Construction
ENGINEER: Universal Engineering Sciences
MARKET: Mixed-Use, Retail
SOLUTION: Ground Improvement
SERVICE: Vibro Stone Columns\n\n[/cs_content_seo][cs_element_gap _id=”14″ ][cs_element_headline _id=”15″ ][cs_content_seo]Ground improvement for a 4-story residential, 5-story retail, and 6-story parking garage\n\n[/cs_content_seo][cs_element_headline _id=”16″ ][cs_content_seo]Load criteria of 7,000 psf\n\n[/cs_content_seo][cs_element_headline _id=”17″ ][cs_content_seo]1,043 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 Multi‐Family and Retail Development, located on Adamo Drive in Tampa, Hillsborough County. The building consists of 4 & 5‐story residential/retail structures and a 6‐story precast parking structure, with associated paved parking & driveway areas. Due to the presence of loose to medium dense fine sands & slightly silty sand & clay in the upper 30 feet, the Geotechnical Engineer of Record recommended a ground improvement program for Vibro‐Replacement Stone Columns (VSC).\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]• Difficulty penetration the clay layers and required some pre‐drilling• Limited movement around the site, due to ongoing site conditions & multiple trades• Undocumented clay & debris were removed by others during our work\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 worked alongside the general contractor & the geotechnical/structural design teams, to develop a site‐conscious Vibro‐Replacement design submittal. We also worked with the site contractor in order to overcome the buried debris & other obstacles. The VSC Program was designed to meet the design load criteria of 7,000 psf allowable. Helicon’s VSC crew worked approx. 10‐hour shifts for up to six days a week, in order to meet the client’s critical path schedule. Efficient planning & coordination was key to overcoming the challenges & limitations. (1,043) Vibro‐Replacement Stone Columns (VSC) were installed from site grade to depths ranging from 15‐ft to 25‐ft. Helicon collaborated with the Geotechnical Engineer of Record throughout the work and confirmed all recommended criteria were followed. The VSC work was successfully completed in (30) days 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]
