The Environmental Considerations and Drainage Design for New Kingstown Cargo Port, St. Vincent

Mohsen Imani, Stantec, BC, Canada


This abstract provides an overview of the environmental considerations and drainage system design for the New Kingstown Cargo Port and Terminal in St. Vincent and the Grenadines. Situated in Kingstown Bay, this reclaimed land project extends between McCoy Street and Melville Street, adjacent to established commercial properties and the North River.

The region experiences an average annual rainfall of approximately 2149.7mm, based on data from the Caribbean Institute for Meteorology and Hydrology (CIMH). To manage rainwater run-off and prevent flooding, the Kingstown Terminal's drainage system is designed to accommodate post-construction settlements effectively.

The design drainage system incorporates slot drains & buried flexible Corrugated Polyethylene Pipes (CPEP), with careful attention to the environment surrounding them. Design considerations utilize both manual calculations and advanced modeling with PCSWMM Additionally, the site is divided into containment zones, each equipped with Oil/Water Sediment Separators (OWSS) to treat run-off before environmentally responsible discharge. Downstream sampling manholes ensure compliance with governing criteria. In cases of non-compliance, manual sluice gates enable controlled cessation of discharge and proper disposal of contaminated water.

This abstract underscore the comprehensive approach taken in designing the Kingstown Cargo Port's drainage system, emphasizing environmental stewardship, sustainable engineering, and adherence to rigorous industry standards.

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