Griswold Machine & Engineering - The Trench Protection Specialists - 1.800.248.2054
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Steel Products
8M Series
This trench shield is engineered to the realities of profitable pipe laying. With high tensile steel, non-rigid design and strategic reinforcements, the GME 8M Series trench shield assures you of heavy duty performance in exacting conditions.
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8H Series
This trench shield is engineered to the realities of profitable pipe laying. With high tensile steel, non-rigid design and strategic reinforcements, the GME 8H Series trench shield assures you of heavy duty performance in exacting conditions. No other shield is comparably rated.
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6M Series
GME developed the 6" Series trench shield for the cost conscious contractor who is hunting for that special mix between better-than-average depth capacity and moderate costs. Many contractors frequently work in depths that the smaller trench shields cannot handle. GME recognized this problem and designed the 6" wall trench shield to meet this special need. If you want good depth capacity, moderate weight, and reduced excavation cost at a reasonable price -- then investigate the 6" Series trench shields.
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6H Series
GME developed the 6" Series trench shield for the cost conscious contractor who is hunting for that special mix between better-than-average depth capacity and moderate costs. Many contractors frequently work in depths that the smaller trench shields cannot handle. GME recognized this problem and designed the 6" wall trench shield to meet this special need. If you want good depth capacity, moderate weight, and reduced excavation cost at a reasonable price -- then investigate the 6" Series trench shields.
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4M Series
The 4M Series narrow -wall trench shield from GME can help you turn a few extra inches into lots of profitable yards. Faster excavation time, with reduced labor time and minimum amount of machine cycles, to help you keep in the black. Even with narrower sidewalls, the 4M Series trench shield has been designed to give you rugged performance in the trenches, for excellent handling of shallow - cut jobs and maximum worker safety in the trench.
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4L Series
The 4L Series trench shield is ideal for contractors who typically excavate to depths of 12 to 15 feet. This trench shield is modeled for the smaller rubber - tired excavators. Utilizing special light weight materials, this trench shield is ideal for repair and maintenance work.
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3M Series
The 3M Series trench shields are ideal for plumbing and utility work, maintenance and repair and other light duty applications. The narrow 3 - inch wall in the 3M Series is a very light weight steel trench shield that can be handled with the smallest excavators.
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3L Series
The 3L Series trench Drop Box is specifically designed for plumbing and utility work, general maintenance, repairs, and other light duty applications. The 3L Series trench shield is easily handled by smaller rubber - tired backhoes, and lowered into position in the trench for fast worker protection.
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WTB Series
Water Tap trench shields are either Octagonal or 4-sided in design. They are ideal for contractors, municipal water and sewer departments, plumbers, and all types of utility contractors who are engaged in routine water main repairs and maintenance work.
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Steel Manhole Shield
The square manhole trench shield configuration provides the needed inside clear span while reducing the amount of excavation and restoration required. GME manhole trench shields ship knocked down and assemble in minutes at the job site.
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Round Manhole Shield
The Round Manhole trench Shields are specially designed for personal protection during manhole installations and repair work. High strength steel walls, welded securely to rigid steel top and bottom framing. Optional replaceable cut - outs allow for clearance of utility lines. RMH trench Shields are light enough for handling with rubber - tired backhoes, yet provide maximum protection for workers in the hole.
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Bedding Box
The GME Bedding Box is designed for "clean sweep" access by the excavator bucket. Its use reduces congestion at the job site, frees your front loader for other work, and eliminates bedding material waste.
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Height Adapters
For extra large pipe, simply replace the trench shield spreader pipes with a GME Height Adapter for the pipe clearance you need. The unit features a collar arrangement to fit your sidewalls.
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Slide Rail Systems
Slide Rail System
This unique modular Slide Rail system is especially useful when the job site is impacted by adjacent structures such as buildings or retaining walls or when vehicle traffic is adjacent to the excavation. As the Slide Rail system is installed, the machine operator is able to dig deep while keeping soil tight to the modular panels and rails.
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Aluminum Products
Lite-Shield
The GME Lite-Shield provides municipalities, plumbers, mechanical contractors, telephone, gas, and electric utility companies with a unique, yet versatile trench shielding system. Lightweight aluminum panels can be carried in a pick-up truck and assembled at the job site in minutes. GME's Lite-Shields are great for emergency work, service and maintenance, and general purpose shielding.
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AEX Series - 2AEX
The AEX Extruded Aluminum Trench Shield is manufactured in a 2 inch thick wall. The 2 inch shields are manufactured standard with a tough, T-6 knife-edge and rugged top cap. The massive extruded end members insure strength. The 2 inch Shields are available from 6' to 12' lengths. They are designed for rubber-tired backhoes and small excavators.
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AEX Series - 4AEX
The AEX Extruded Aluminum Trench Shield is manufactured in a 4 inch thick wall. The 4 inch shields are manufactured standard with a tough, T-6 knife-edge and rugged top cap. The massive extruded end members insure strength. The 4 inch Shields are available from 8' to 16' lengths. They are designed for rubber-tired backhoes and small excavators.
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Vertical Shores & End Shores
GME Hydraulic Vertical Shores are designed to prevent cave-ins, by supporting the side walls of the trench through the use of hydraulic pressure. They are quick, safe and simple to use. Vertical shores are designed to be installed and removed 100% from the top of the trench; and can be used as spot bracing for repair situations, or can be used for production trenching.
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Hydraulic Shields
GME Hydraulic Shields consist of lightweight, aluminum sidewalls, coupled with heavy-duty hydraulic struts. The strut contains a hydraulic cylinder and return spring, and is protected by steel box tubing. Because of their light weight and easy assembly, these shields can be handled easily by rubber-tired backhoes. They are ideal for municipal maintenance or repair projects, utility or cable work, and light to moderate duty general underground contracting.
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Waler Systems
GME Waler Systems are designed to allow maximum protection, coupled with the versatility and flexibility needed to work around crossing utility lines. Two styles of walers are available. Walers with hydraulic struts allow end-loading in a 3- or 4-sided application, for pipe repair or valve maintenance. Walers with hydraulic cylinders are designed to be used in a 2 - sided application for production work. Waler systems, used in conjunction with proper sheeting materials, can prove to be a versatile and sure style of shoring protection.
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Manhole Shoring
GME Manhole Shores are designed to shore square or rectangular excavations. They provide 4-way hydraulic support against the trench walls to create an obstruction - free pit which permits adequate working room for the installation of manholes or vaults, or the operation of boring equipment. GME Manhole Shores are easily transported as four individual cylinder and tube sections, and quickly assemble at the job site.
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