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  Pinnacle Retaining Wall and Erosion Control Systems  

Pressure Relief Retaining Walls

 
 
 
n   MSE Segmental Retaining Walls (SRW)
n   MSE Berm
n   MSE Panel Walls
n   Vegetated MSE Slopes
n   Stone Faced MSE Walls
n   MSE Pressure Relief Walls
n   Cast-In-Place (CIP) Concrete Walls
n   Gravity Retaining Walls
n   Soil Nail Walls
n   Piling Walls
n   Gabion Structures
n   Above and Underground Stormwater Detention Structures
n   Composite Wall Systems
n   Retaining Wall Repair
  As opposed to large cast-in-place foundations to support soil and building loads for below-grade construction, Pressure Relief retaining walls can provide a faster, more affordable solution for addressing this critical construction need. Because the system effectively reinforces surrounding fill, lateral soil loads against the below-grade structure are eliminated allowing for lower cost foundation walls that are structurally equivalent to conventional methods. Low cost materials and speedy construction make pressure relief applications the system of choice to replace counterfort walls and reduce concrete reinforcement in structural foundation walls. This system is also the ideal alternative to complete demolition and replacement of an existing structure in order to accommodate increased loads due to facility expansion.
 

Pinnacle Design/Build Pressure Relief Retaining Wall Project Profiles


  Piedmont West, Atlanta, GA              

PROJECT FACTS:  Wall Area = 9,000 SF; Max Ht = 30 FT

 

CHALLENGE A below grade parking structure required thick, expensive reinforced concrete retaining walls to support lateral earth pressures and the structure to be constructed above it. 

 

SOLUTION Pinnacle Design/Build value engineered and constructed a composite soil nail and MSE retaining wall system to withstand the anticipated lateral loads.  A segmental block facing was constructed in front of the composite mass to form the  permanent interior wall facing for the parking garage.  This eliminated the need to build an additional facing wall.

 

VALUE The developer was able to save about 40% of the cost of traditional foundation walls and cut the timeline for completion by about 30%.

 


  Foundry Park, Richmond, VA
 

PROJECT FACTS:  Slope Area = 17,100 SF; Max Ht =  43 FT

 

CHALLENGE A below grade parking structure was designed with 48-inch thick reinforced concrete foundation walls to support lateral earth pressures and the structure to be constructed above it.  The structural engineer was looking for ways to reduce the cost of these walls for the developer.

 

SOLUTION Pinnacle Design/Build value engineered and constructed a composite an MSE retaining wall system to withstand the anticipated lateral loads.

 

VALUE This solution reduced the cost of the foundation walls on the project by approximately 50 percent and allowed the project to proceed ahead of schedule.

 


  Two Alliance Center, Atlanta, GA
 

PROJECT FACTS:  Wall Area = 12,000 SF; Max Ht =  48 FT

 

CHALLENGE A new office building was to be erected in the tight confines of the Buckhead area of Atlanta.  The foundation walls of the adjacent below-grade parking structure were supported by a temporary, tied-back piling wall that was not designed to support the new structure.  A permanent pressure relief wall was required. 

 

SOLUTION Pinnacle Design/Build designed and constructed an MSE pressure relief wall that allowed the facing of the existing pile wall to remain in place while supporting the anticipated design loads of the new structure.   

 

VALUE This solution significantly reduced the overall cost and time required to prepare the site for construction by eliminating the requirement to demolish the existing temporary wall.  The entire wall was constructed in less than two months.

 


     
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                 Pinnacle Design Build Group, Inc. provides all engineering and design services through subcontract agreement with Vertex Design Group, LLC.