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Fostering the Remediation & Redevelopment of Manufactured Gas Plant Sites

John Parella and Marc Syracuse

Presentation Title

Remediation and Site Development – North Miami Beach

John Parella, P.E., Principal Engineer, Arcadis and Marc Syracuse, Senior Project Manager, Action Environmental

Co-Author: Jason Marberry, Project Manager, Action Environmental

Abstract

The remediation of a Manufactured Gas Plant (MPG) site in North Miami Beach included installation of a biosparge and vapor extraction (BS/VE) system, stormwater management system and redevelopment of the site. Action excavated the top 2-feet of soils on the entire site and removed and abandoned MGP structures and piping. The entire project was conducted on an active site with minimal disruptions to the business onsite. The project included:

Installation of BS/VE system consisting of 120+ wells, 5000+ ft of HDPE pipe, including installation of all remedial equipment and electrical.
Excavation and disposal of 55,000+ tons of MGP impacted soils and concrete.
Installed two drainage wells including sheet piling, setting 12’x8’x10’ concrete structures 5 ft below water table in submerged conditions (dewatering not allowed).
Collected air samples for perimeter monitoring in Suma Canisters to protect surrounding neighborhoods.
Installed over 750 lf of 18” & 24” HDPE storm water conveyance pipe and 14 storm water structures.
Installed 15,000+ sf concrete slab 9 ft. below grade and install concrete storm trap system consisting of 114 pieces weighing 15,000+ lbs. each set with 250-ton crane.
Approximately 65,000 tons of clean backfill brought in & graded to restore the area for future use.
Installed complete irrigation system for 5-acre site.
Installed 18 light poles (18 & 30’ tall).
Complete landscaping consisting of over 5000 plants & trees
150,000 sf of asphalt paving
600 lf of concrete curb
Installation of four metal buildings approximately 20’x50’
Abandonment of 8” water line
Installed new 2” HDPE water line
Removed over 1000 lf of MGP pipe
Installed two automatic entry gates (30’)
Disturbed areas were hydroseeded to allow for natural dust suppression & beautification

Accomplishments: Excavation under water to remove DNPL product from around and under concrete structure from the old MPG structures. Issues/Resolutions: Encountered unknown large concrete vaults filled with tar and large monolithic concrete structures. Action brought in crews to remove tar and clean vaults.

John Parella

John Parella, P.E., Principal Engineer, Arcadis

Parella Bio

Mr. Perella has 21 years of experience in the environmental profession. Currently, his primary roles include serving as senior technical engineer and to provide technical support/review for environmental remediation projects. He has been involved in all phases of groundwater and soil remediation projects including remedial action planning and strategic development, treatment process development, detailed engineering design, plant construction, plant operations, and site closures. He has extensive expertise in designing, constructing, and operating treatment systems associated with cleanup of VOCs, CVOCs, PAHs, Pesticides, Explosives, 1,4-dioxane and metals. Remediation treatment system experience has included the design and implementation of pump and treat, biosparge, air sparge, soil vapor extraction, multi-phase extraction, in-situ thermal heating, and enhancement of subsurface conditions to promote biological degradation of contaminants.

Marc Syracuse

Marc Syracuse, Senior Project Manager, Action Environmental

Syracuse Bio

Mr. Syracuse is a Senior Project Manager for Action Environmental currently managing the Action Environmental South Florida Office. Mr. Syracuse has 26 years in the remediation industry working with Federal, State, local and private clients to address their hazardous and nonhazardous remedial sites. Mr. Syracuse has worked on a wide variety of projects including; clean up operations after hurricane Katrina in New Orleans and the Gulf Coast, former creosote treatment facilities in the Southeastern States, liner installation for a high rise at a hexavalent chromium site in Baltimore, impacted soil removal in residential neighborhoods, remediation at pesticide-impacted sites and heavy construction for the department of transportation in work zones impacted by contamination. Mr. Syracuse has spent the last 3 years focusing on two significant MGP sites in South Florida.