Photos

Mobilization | Excavation

Mobilization

Equipment being brought to the site

Equipment being brought to the site

Set up office trailers

Set up security station

Begin installation of temporary chain link fence

Installation of temporary chain link fence

Installation of fence screening

Pulling back asphalt for pre-trenching

Asphalt loadout

Perimeter trenching

Construction of walkway

One of 5 air monitoring stations in place

Installation of electrical conduit outside of the remediation area

Paving of temporary walkway east of the helipad 

Vibration meter

Crack gauge installation

Air sampling

Piping for freeze wall

Drill rig for freeze wall installation

Lighting installation for temporary walkway east of the helipad 

Piping installation for freeze wall

Water truck utilized for mitigating dust

Evening work installing water treatment system discharge line outside of the project area

Evening work installing water treatment system discharge line outside of the project area

Cleaning parking lot area after evening work

Electrical equipment for freeze wall

Setting up frac tank for water management during remediation phase

Delivery of truck wash station

Chiller for freeze wall received

Pipes for freeze wall installed

Vessels for water treatment system

Vapor Management System ductwork for the enclosure

Section of tent frame brought to site

Frac tanks for water treatment system set in secondary containment

Completed water treatment system

Headers connected to freeze wall pipes

Concrete removal

Constructing arches for enclosure

Chiller connected to freeze wall

Freeze wall temperature gage for remote reading

Erecting the enclosure

Erecting the enclosure

Digging trench for chiller unit conduit

Brine delivery for freeze wall

Guard rail installation along freeze wall

Electrical conduit installation for freeze wall

Delivery of equipment for air filtration system

Completing the enclosure

Enclosure interior

Truck wash

Tent over water treatment system

Truck wash station inside enclosure

Excavation

The start of excavation

Applying odor suppressant foam

Excavation under the enclosure

Applying odor suppressant foam

Clean fill staging

Covering clean fill for the weekend

Enclosing water treatment system

Excavation progress of the first phase under the enclosure

Dewatering

Excavating against freeze wall

Backfill and compaction within first phase

Backfill and compaction within first phase

Applying odor suppressant foam within first phase

Street sweeper preparing to sweep the site

Installing freeze wall piping for the next phases

Excavation to bedrock within first phase

Backfill compaction testing within first phase

Tracking pad to remove clean fill

Applying odor suppressant foam

Backfilling within first phase

Plastic in place to distinguish phase 1 remediation from phase 2

Wrapped water treatment system piping for the winter