Articles

Chattel Associates Nigeria Limited

ANALYTICAL HIERARCHY PROCESS IN CONCEPT SELECTION OF WASTEWATER TREATMENT PLANT

ABSTRACT In most Engineering designs concept selection is a critical stage of the design process. This study focuses on the concept selection for the design of a proposed wastewater treatment facility for a settlement (Forcados-Yokri) located in Burutu Local Government Area (LGA), Nigeria. Three wastewater treatment concepts (Completely Mixed Activated Sludge (CMAS), Sequencing Batch Reactor [...]
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HYDROLOGICAL DATA TRANSPOSITION BY RATIO APPROACH FOR FLOOD & RAINFALL FREQUENCY ANALYSES FOR UNGAUGED CATCHMENTS

ABSTRACT This study involves the application of the ratio method of hydrological data transposition for flood and rainfall frequency analysis for ungauged catchments. For the flood transposition, a gauging station, River Niger at Onitsha about 166.9km to an ungauged station, Taylor Creek, both in Niger Delta was selected. Onitsha station has been established since 1914 [...]
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PREDICTION OF EDDY CURRENT TRIGGER POINTS, EPICENTER AND MAGNITUDE ON A NON-UNIFORM STREAM FLOW USING SIMULATION MODELING

Abstract:         Scour holes along stream beds generated by eddy currents have been identified as one of the major threats to coastal engineering works. It undermines the integrity of shoreline protections, landing jetties, harbors, canals and makes the river bed unstable and difficult to work on during river training works. Download PDF
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