Coastal engineering analysis and design of a fetch-limited storm-tracked lacustrine marina
Author: Andrei Raphael P. Dita, Eric C. Cruz, Jose Carlo Eric L. Santos
Presenter: Andrei Raphael P. Dita
A marina for small craft vessels is being proposed to be built in Caliraya Lake situated about 290m above Mean Sea Level (maMSL). The lake is primarily used as a reservoir for a hydroelectric power plant catering to Metro Manila and nearby provinces where numerous economic and government industries of the Philippines are located. The water level of Caliraya Lake is not influenced by tidal fluctuations but instead by operational requirements of the hydroelectric power plant that it supplies. The normal high water level (NHWL) requirement of the power plant is published at 288maMSL while the minimum operating level (MOL) is set at 285.5maMSL. Due to the large water level fluctuation (2.5m), a floating marina structure was proposed. The floating marina shall be composed of pontoon elements with guide piles to provide lateral stability on the overall structure.
This paper presents the analyses and hydraulic design of a lacustrine marina primarily focusing on wave climate and vertical siting requirements for a fetch-limited water body. Based on the intended layout of the Proponent, the marina is accessed by two (2) entrances. The vertical siting aspects considered are influenced by wind- and pressure-driven storm surge, as it is frequently tracked by typhoons.
Conference/s:37th Virtual Conference on Coastal Engineering (vICCE 2020), ASCE
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