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TRENCH SHIELD

ESC has fully developed its Trench Shield Series (also known as Trench Boxes) a two-sided, high-quality and economical excavation support system that provides a safe working environment in trenches up to 40 feet deep. ESC’s trench shields are a heavy duty and robust product designed and manufactured in compliance with both national and International Standards.  All shields are  certified by third party professional engineers, following the guidelines and recommendations of NAXSA (North American Excavation Shoring Association). 

4", 6", 8" & 10" Standard Trench Shield

Features

  • Designed & manufactured in accordance with OSHA 29 CFR 1926.650, 29 CFR 1926.651 and CFR 1926.652, Subpart P, Excavations.

  • 3rd party product certificates available for all products.

  • Heavy duty robust design.

  • Flat pack delivery .

  • Fixed or adjustable struts available in any required length .

  • Custom box sizes are available.

  • Follow NAXSA - Approved Shoring Shield Tab Data Sheet

  • Panels are fully welded for maximum strength. No stitch welds or spot welds used.

  • Reinforced "push" pads.

  • Reinforced knife edge supplied as standard on 8ft and 10ft height shields. 4ft and 6ft shields supplied with flat bottoms as standard. Knife edge and flat bottom interchangeable on request

Options

  • Additional Stack pockets

  • Fifth lower spreader

  • Pulling lugs

​Safety Guide

  • Soil pressure  must be determined by qualified competent person.

  • Assembly as per ESC procedures

  • As a member of NAXSA (North American Excavation Shoring Association) ESC adheres to all industry norms and regulations. We advise all clients to refer to NAXSA Approved Excavation Safety Specifications

SPECIFICATIONS

* Depth ratings include consideration of surcharge load of 72 psf.

* All 4’ and 6’ shields can be used as Extension Shields.

* As per NAXSA recommendations, depth of cut has been limited to 40ft for types A, B and C60 soil, and 30ft for C80 soil regardless of the capacity of the shield. If deeper cuts are required, it is recommended that a professional engineer is engaged to evaluate the site and soil conditions and specify a suitable trench shield or other shoring solution.

DESIGN VERIFICATION

ESC Trench Shoring Front Cover_base box

ESC completed third party verified structural calculations and professionally completed Finite Element Analysis of the proprietary ESC Trench Box design system, with special attention on the spreader connections to the panels. A wide range of loading conditions was simulated to verify the robustness of the system.

For North American customers all Trench Shoring systems adhere to OSHA 29 CFR 1926.650, 29 CFR 1926.651 and CFR 1926.652, Subpart P, Excavations.

A full scale component test with a third party independent witness was also completed to verify the design calculations with a focus on on the most critically loaded areas and potential weak points. A specially designed test rig was constructed to simulate the soil loads with a series of strain gauges situated throughout the trench panel structure to measure deflection of the structure under various loading combinations.

PROJECT CASE STUDIES

PRODUCT IMAGES

Daha Fazla Göster

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Base Box and Top Box