Abstract The study explored the current practice of preparing bill of quantities by Quantity Surveyors in southwest Nigeria with a view to determining their project cost control and communication effectiveness. A survey questionnaire was administered on the 85 frontline consulting firms of Quantity Surveyors (those with not less than 10 years practice experience) in Southwest […]
REFERENCE CRITERIA FOR ECOLOGICAL RIVER HEALTH ASSESSMENT IN ETHIOPIAN HIGHLANDS
Abstract The concept of a reference condition is increasingly used to describe benchmarks against which current condition is compared. This study defines criteria that represent reference sites for assessing highland streams in four major river basins of Ethiopia. Twenty a priori criteria were chosen as representative for Ethiopian highlands and they reflect some aspects of […]
HYDROCHEMICAL EVALUATION OF WATER SOURCES IN IWO SOUTHWESTERN NIGERIA
Abstract Hydrochemical investigation of 20 water samples collected from hand dug wells, boreholes and streams have been carried out. This was aimed at evaluating major ions and their origin; establish hydrochemical facies and determine their suitability for drinking and irrigation purposes. The suitability of the waters for irrigation purposes was evaluated using Wilcox’s diagram, Kelly’s […]
ADEQUACY OR OTHERWISE OF CEMETERY SPACE FOR SUSTAINABLE HUMAN BODY DISPOSAL IN BENIN CITY, NIGERIA
Abstract The adequacy or otherwise of cemetery space in Benin City was assessed in 2014, based on population projected from the 2006 census figures. The area of each cemetery was determined by running a Global Positioning System (GPS) traverse round each, which gave a total of 11.979 Ha. At a rate of 0.5 Ha of […]
REMOTE SENSING AND GIS APPLICATIONS IN DETERMINING SHORELINE AND SURFACE WATER QUALITY CHANGES IN BAYELSA STATE, NIGERIA
Abstract The study of shoreline changes is essential for updating the changes in shoreline maps and management of natural resources as the shoreline is one of the most important features on the earth’s surface. Shorelines are the key element in coastal GIS that provide information on coastal landform dynamics. The purpose of this paper is […]
GROUNDWATER QUALITY ASSESSMENT NEAR A NIGERIAN DUMPSITE
Abstract Municipal solid waste collected in Nigeria are often disposed of in uncontrolled dumpsites and/or burnt in the open spaces and consequently causing significant pollution on surface water, ground water and the air. An investigational study was carried out on the level of pollution on groundwater near Gbagede dumpsite in Kwara state. Ground water samples, […]
FACTORS INFLUENCING ROAD TRAFFIC DELAY: DRIVERS’ PERSPECTIVES AND LOSS OF MAN-HOUR ALONG LAGOS-ABEOKUTA EXPRESSWAY, LAGOS, NIGERIA
Abstract This study examined drivers’ perception of road traffic delay attributes and factors influencing road traffic delay with a view to assessing loss of man hours along Lagos-Abeokuta Expressway. This view translated to policy statements that can tremendously reduce the road traffic delay in the study area. Primary data were collected through questionnaire administration, traffic […]
SPECIATION AND MOBILITY STUDY OF SELECTED HEAVY METALS IN KOFE DUMPSITE SOIL OF JIMMA TOWN, JIMMA, ETHIOPIA
Abstract Speciation and mobility of selected heavy metals including Cd, Pb and Fe were investigated in Kofe dumpsite soils of Jimma Town, Jimma, Ethiopia. To study vertical mobility of the metals, soil samples were collected at three depth profiles comprising surface soil (0-10 cm), subsoil (20-30 cm), and bottom soil (40-50 cm) using soil auger. […]
DETERMINING FACTORS FOR HOUSING AFFORDABILITY IN IBADAN, NIGERIA
Abstract Housing affordability has been a concern in developed and developing world because of its role in man’s welfare and productivity. This study aims at investigating determining factors for housing affordability in Ibadan urban centres. Questionnaire was developed based on consumers’ evaluation on variables identified from the literatures. The administration of questionnaire was carried out […]
ADOPTION OF IRRIGATION AND ITS CONSEQUENCES ON HOUSEHOLD INCOME IN THE NORTHERN ETHIOPIA
Abstract An expansion of irrigation is among the priority areas in Ethiopia although farmers’ participation is below the expectations. This paper aims to identify factors that affect farmers’ decisions to use irrigation and also estimate its role in household income. The data is collected using standardised questionnaire and analysed it using the Heckman model. Household […]