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Construction design and analysis for the 100ft soldier pile excavation for the 2nd and Broadway Station in Los Angeles by Pirooz Barar, P.E. of PB&A Inc.

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New Tapan Zee Bridge Cofferdams - Designed with DeepEX software

Construction of the $3.9 billion new Tapan Zee Bridge in New York required that cofferdams are constructed inside the Hudson river. Siefert Associates (siefertassociates.com) designed the cofferdams using our DeepEX deep excavation software. The soils at the river consist of soft organic clays, and silts. The cofferdams were 90x45ft and were modeled using two opposite walls in DeepEX supported by one level of struts. The construction involved backfilling over the soft deposits to raise the grade as well as dewatering inside the cofferdam to create the pile cap for the new bridge piers.

We want to thank Andrew Baumer, E.I.T and Principal Mr. Vincent Siefert, P.E. for sharing these photos.

Please contact us for a demonstration of DeepEX at sales@deepexcavation.com

Cofferdam sheet piles for the new Tapan Zee Bridge in New York designed with our DeepEx deep excavation software

Cofferdams for New Tapan Zee Bridge designed with DeepEX software

Cofferdams for New Tapan Zee Bridge designed with DeepEX software

While this was not available at the time, we (at Deep Excavation), prepared a sample cofferdam model that matches the dimensions of the Tapan Zee 90ftx45ft cofferdams:

Sample model of New Tapan-Zee bridge cofferdams in New York

DeepEX cofferdam model for new Tapan Zee Bridge in New York

DeepEX Pricing

The most complete solution for deep excavations!

Annual technical maintenance agreement: $400 (includes unlimited technical support and upgrades for one year).

DeepEX

DeepEX Ultimate: $3,475.00
DeepEX 3D (Cost+Frame+HoloDeepEX): $5,725.00
DeepEX+Cost+Frame+HoloDeepEX
DeepEX 3D+ (DXF+Gravity Walls): $6,675.00
DeepEX 3D+ DXF + Gravity Walls
DeepEX Platinum (Building Damage Module): $8,175.00
Platinum = 3D+ Building Damag