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Structural Systems Repair Group (SSRG) Installs (11) Helical Piles for Historic Building Renovationsin Over The Rhine District in Cincinnati

SSRG Structural Systems

Repair Group

Project Name & Location:

Project Date:

Project Type:

Helical Pile Installation Contractor:

Structureal Engineer:

General Contractor:

Helical Pile Specifications:

Soils & Embedment Depth:

Project Timeline:

Helical Pile Manufacturer:

Project Overview

Structural Systems Repair Group 2824 Stanton Ave. Cincinnati, OH 45206 513-751-7774www.ssrg.com

1601 Race St. Stabilization - Cincinnati, OH

February 2021

Helical Piles Deep Foundation System

Structural Systems Repair Group, Cincinnati, OH

Schaefer, Cincinnati, OH - https://schaefer-inc.com/

Model Group, Cincinnati, OH - https ://modelgroup.net/

(11) 2.875" Round Shaft Galvanized Grouted Helical Piles with10,12,14,14,16,18 Inch Helical Bearing Plates; Grouted withCementitious Grout

Average Pile Depth 35ft. Very loose sands with N-values between and 10

3 Days

Helical Anchors, Inc. (MN)

1

Structural Systems Repair Group (SSRG), with headquarters in Cincinnati, OH, was contracted by Model Group, to install 11 helical piles as a deep foundation system to support existing building foundation walls in OTR Historic District, Cincinnati.

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Corner section of the existing building foundation wall had deteriorated and collapsed beyond repair due to settlement in poor soils. SSRG was contacted by Model/Schaefer to propose a helical pile foundation stabilization solution at this corner section. Considering very poor soils, grouted piles with 6-helix plate configuration were proposed as an effective solution to achieve required capacities. 6 of these piles were installed on exterior wall using mini­excavator mounted torque drive (40-ton ultimate capacity) and remaining 5 were installed on the inside in basement using hand-held torque drive (25-ton ultimate capacity).

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