Projects

Norfolk Southern: Soil Nails and Shotcrete Wall

Bala Cynwyd, PA – A stone wall supporting the Norfolk Southern rail line developed a cavity measuring 22 feet high and 48 feet wide.  The existing structure needed reinforcement in order for the rail line it supported to continue operating.  CGS proposed to fix and stabilize the retaining wall
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Sapovits Residence: Micropiles, Soil Nails

Rydal, PA – CGS provided foundation stabilization services at the Sapovits residence after an approximated 20 feet long section of the residence’s stone veneer collapsed during excavation.  The owners were in the process of constructing a basement addition when the collapse occurred.  CGS was
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Fitness Complex: Compaction Grouting

King of Prussia, PA – The fitness center project consisted of a 51,658 sf, 3-story main building with an indoor pool and a 66,491 sf outdoor area with a lap pool, recreation pool, and water slide with a pool house.  Despite the relatively shallow bedrock disclosed by the subsurface exploration
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Highland Ave. Soil Anchors/Retaining Wall

Bethlehem, PA – The exterior wall of an operating out-patient medical facility had experienced rotation due to an imbalance of lateral earth pressures (elevated ground floor slab).  The affected wall spanned approximately 170 LF of exterior wall.  Several complications associated with the cons
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Wells Fargo Center: Compaction Grouting

Philadelphia, PA – The main water (8 inches inside diameter) and sewer (12 inches inside diameter) lines inside the Wells Fargo sports complex were supported by driven steel-piles and pile caps from the original construction in 1995.  During the construction of an addition to the Wells Fargo Center
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Prussian Woods: Micropiles and Compaction Grouting

King of Prussia, PA – CGS performed compaction grouting and micropile installation for soil stabilization and sinkhole remediation at the Prussian Woods condominium complex.  Sinkholes and depressions were discovered to the rear and crawl space areas of five different units.  A common area retaining
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Dormitory Structures: Soil Stabilization and Structural Re-Leveling

New York – During construction of two, steel-frame and concrete-panel dormitory structures with column and wall loads of 950 kips and 7 klf respectively, settlement in excess of three inches was observed in several interior column and exterior wall foundations. It was determined that the observed se
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Distribution Center: Compaction Grouting/Sinkhole Remediation

King of Prussia, PA – Soil stabilization and sinkhole mitigation was required to construct a proposed 306,000 square feet distribution facility with an attached administrative office and line haul office in King of Prussia, PA.  Prior to construction, a subsurface exploration program consistin
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Hanover Corporate Center: Compaction Grouting

Bethlehem, Northampton County, PA – Development of a new health center in Bethlehem, PA required soil pre-treatment and the need to stabilize the soil pre-construction.  Test boring logs proved subsurface erosion and karst activity.  The logs also verified the need to improve the subsurface soils to
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Vistas at Providence Park: Compaction Grouting

Lancaster, PA – The Vistas at Providence Park project consisted of an approximate 32,000 sf, multi-story structure with below-grade garages founded on shallow spread footings and continuous wall footings.  A subsurface exploration disclosed a decomposed limestone (saprolite) layer of varying t
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