Case Studies
Civil Construction
City of Independence Sewer Repair
Situation: There was a storm drainage problem caused by an under-capacity of the existing storm sewer outlet at the new Cleveland Cavaliers training facility built in Independence. We discovered the reduced pipe capacity because of hard debris in bottom third of pipe. The pipe could not be cleaned with standard equipment and methods. The blockage was located approximately 300 linear feet downstream from the manhole. The storm line went through private property and was under concrete pavement approximately twenty (20) inches thick and tied into a larger outlet pipe without a manhole.
Culvert Lining
Ohio Turnpike Commission
Situation: The spring line
of an existing 54 inch corrugated metal pipe was corroded badly on
the Ohio Turnpike (western Ohio) and there was little cover between
the culvert and the road pavement. If the road would collapse due
to the failing culvert, the motoring public would have to endure
open cutting all 4 lanes of the Ohio turnpike.
Rock Anchors
U.S. Department of Homeland Security - Marblehead, Ohio U.S. Coast Guard Station
Situation: Ryba Marine Construction Company had a contract to deepen the basin at the USCG Station at Marblehead, Ohio. Geotech Services was called in secure the pedestals of the existing docks so that they would remain structurally sound while Ryba excavated through rock to increase the draft of the basin.
Micro Piles
Carmeuse Lime and Stone
Situation: A barge dock previously installed for the Carmeuse Lime and Stone aggregate quarry in Port Inland, Michigan had been compromised by a water main break. Conventional tiebacks could not be reinstalled. Geotech Services engineers worked with Krech Ojard & Associates of Duluth & Eau Clair, Wisconsin to develop an approach to return the dock to its original working capacity.
Soil Anchors
American Electric Power
Situation: There was a need to install a
temporary dock for American Electric Power Company so that some
very large components for the power plant could be delivered by
barge from the other end of the river to keep the project on
schedule. These essential components were oversized and were needed
to help meet EPA regulations for pollution control. They couldn't
be transported by land. The only way to get them in place was via
the river.
Soil Anchors
Main Street Bridge, Columbus, Ohio
Situation: Excavation for the abutments
of the Main Street Bridge over the Scioto River in Columbus had to
go approximately 15 feet below the river level. Kokosing
Construction awarded the project to Geotech Services Inc. and
engineers from both companies worked together to design the
temporary support of the perimeter of the bridge abutment
foundations.
Soil Nail Wall
Cleveland Museum of Art
Situation: The Cleveland Museum of Art demolished an early 1900's building to replace it with a new structure. Needed a way to support the floor slabs and caisson foundations and still allow for ample space for the excavation of the new building. It was mandatory to protect the deep foundation while construction was being done on the new structure. They needed to go down 46 feet deep, immediately next to the existing building. Geotech Services engineers worked with Independence Excavating's team to develop the soil nail design as an alternative to the originally proposed retention system.
Erosion Control Fabric Formed Concrete
Fort Martin Power Station
Situation: Fort Martin was
experiencing uncontrolled runoff of contaminated rain water from
the gypsum stockpile storage area. The perimeter collection ditch
was installed to collect the runoff and channel it to a controlled
treatment area. The Fabric form channel liner was needed to prevent
surface erosion and to prevent exfiltration of the untreated runoff
water.
Cellular Concrete Void Fill
CVS Pharmacy
Situation:
General contractor Fortney & Weygandt discovered an issue that
they had with a sagging interior floor slab in the Office
area of a CVS Pharmacy. Forntey's crew had removed a piece of floor
slab to inspect the plumbing in a bathroom area and discovered a
void area below the floor slab approximately 2 ½ feet deep by 6 ft
wide by 30 ft. long.
Compaction Grouting
Ohio Department of Transportation - Canton, Ohio
Situation: A substantial dip of several
inches in the pavement had developed at north end of north bound
I-77 bridge deck that coincided with a NB ramp from US Route 30
onto I-77 in Canton, Ohio.