Watco Breakwater (Berths 3 & 4), Greens Port Facility, USA

Midyear 2014, ESC Steel Inc was engaged by WATCO Companies Inc for material supply and assist on geotechnical & structural design for Berth 3 and Berth 4 as an extension to the existing bulkhead that in service, in order to provide greater port capacity.

Greens Port Industrial Park is located at the eastside of the Houston heavy industrial zone, alonog the Houston Ship Channel in Harris Country, Texas. Greens Port offers deep water barge docks along the channel with approximately 3 million square feet of indoor warehousing and numerous cranes ranging from 5 to 125 ton capacity.

 

Midyear 2014, ESC Steel Inc was engaged by WATCO Companies Inc for material supply and assist on geotechnical & structural design for Berth 3 and Berth 4 as an extension to the existing bulkhead that in service, in order to provide greater port capacity.

 

The design brief was as follows:-

  • Proposed bulkhead top at +12’ above MSL

  • Existing platform ranging +9.5’ to +13.5’ above MSL

  • Design scour depth -42’ below MSL

  • Total exposed height at 54’ (16.459m)

  • Surcharge 1000 psf (48kPa)

  • Average water elevation at +1’ above MSL

Soil condition:-

  • The proposed site is located on alluvium which are flood plain deposits.

  • Top 16m of clay ranging from stiff to very stiff, pre-consolidation.

  • Underlying by sand layers in vary compactness, from medium dense to very dense (SPT N>50).

 

Due to the existence of a very dense sand layer in various thickness along the proposed bulkhead line, there were certain areas with hard driving condition that had been encountered. With the expertise of the contractor onsite and site advice sharing from the ESC team, Russell Marine managed to achieve full pile penetration nicely under the assistance of the use of a driving guide, pre-boring method and then use of diesel and air hammer.

 

Tie back system in production.

Painted SSAW pipe pile inspection.

Project Photos

ESC wall geotechincal analysis
design drawings
overall aerial view
welding of clutch
coated CRZ sheet pile
coated h-pile
installation of pipe
pre-fabrication walers w/ stiffeners
combined wall ready for capping beam
bulkhead in construction
tieback installation
tieback installation
steel wall & bollard system
bollards
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Contact

Cairnhill-ESC

Sunworks
Waverley Street
Coatbridge
ML5 2BE

Mob: 07970 724231

Tel:  01236 449 393
Fax: 01236 449 334

E: sales@cairnhill-esc.co.uk

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