Geo-environmental hazards associated with abandoned borrow pits in Nigeria are on the rise and a major concern to citizens, environmentalists and governments. Several highway failure spots are directly linked to the action of erosion initiated by active or abandoned (inactive) borrow pits situated close to the roads.
Get a quoteClassification of materials for excavation, rock versus common borrow soil 4. Cut and fill volumes determined to minimize the need of offsite borrow pits or rock waste areas; 5. Recommend angle of back slope (rock cut slope) based on rock Assessment of geologic hazard and risk caused by proposed human activities ( feasibility and site
Get a quoteExcavation Hazards- Effects and Prevention Measures - The
Get a quoteThe excavation, hauling and stockpiling of the excavation materials (locations of borrow pits, stockpiling areas). • Construction of cross-sections along the road axis to investigate the relation of the morphology to the road level ("red line"). The red line is positioned on these sections in
Get a quote3.0 GEOLOGIC HAZARDS ASSESSMENT 3 4.0 GEOTECHNICAL STUDY 4 4.1 Geotechnical Program 4 4.2 shallow prospector borrow pits no more than a few feet in diameter and several feet in depth, to well developed mine adits that extend tens of Estimating quantities and quality of borrow materials for facilities construction,
Get a quoteSelecting borrow pit locations to minimize vegetation disturbance; Identifying and mapping all suitable borrow pit locations in close proximity to construction site; Laboratory testing to identify grade and engineering properties of site won material; Assist with the excavation and placement regulations of all sourced material.
Get a quoteassessment be carried out before a borrow pit license can be obtained from the government. According to them, a task force should be set up by government to indict operators and contractors that do not comply with borrow pit excavation regulations. Pistocchi,7 said that early response to the issue of abandoned borrow pits is to characterize
Get a quoteAbandoned borrow pits; risk factors and reclamation
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Get a quoteJan 14, 2017 · The use of geophysical method such as Vertical Electrical Sounding (VES) in the investigation of borrow pit site will minimize the trial pit methods that have left behind abandoned pits. 5 The presence of such small trial pits has led to several pits littering the study area. Although the area disturbed by a single excavation operation generally might be small, the …
Get a quoteMajor flood hazards and disasters in Nigeria Department of Geography and Environmental Management, Imo State University, as well as borrow pit excavation .
Get a quoteborrow pits and met mast locations detailed survey on a 10m by 10m grid basis around the centre of each proposed turbine base or other infrastructure including borrow pits and proposed temporary storage sites. Need to take account of potential micro-siting limits.
Get a quoteAssessment of environmental hazards: Linking borrow . by borrow pit excavation might be small in one location, the combined acreage nationwide is substantial. In Nigeria several acres of land are degraded by abandoned borrow pits that turn to ponds or waste dumping pits. Laterite soil which is the product of borrow pit excavation is used as a
Get a quoteGeo-environmental hazards associated with active and abandoned borrow pits are on the increase following rising trend in road construction. This situation presents a major challenge to Citizens, Environmentalists and Governments.
Get a quoteAssessment of environmental hazards: Linking borrow . by borrow pit excavation might be small in one location, the combined acreage nationwide is substantial. In Nigeria several acres of land are degraded by abandoned borrow pits that turn to ponds or waste dumping pits. Laterite soil which is the product of borrow pit excavation is used as a
Get a quoteVoyageur Up-grader, Suncor, Alberta – Lead Geotechnical Field Engineer/Manager, Supervised borrow operations from one of largest borrow pits in western Canada, managed all field activities related to QA/QC of the grading/earthwork activities and the installation of 11,000 steel driven pipe piles for the proposed up-grader plant site.
Get a quoteFeb 09, 2010 · The study indicated emissions and impacts associated with energy consumption (transportation of contaminated soil to hazardous and nonhazardous sites), solid waste production (contaminated soil and sludge), land use at four sites (the contaminated site, two disposal sites, and a borrow pit for clean fill), and potential toxicity from emissions
Get a quoteAbandoned borrow pits; risk factors and reclamation
Get a quoteAug 02, 2019 · The pace and pattern of various forms of land use change and degradation continues at alarming proportion in several areas in Sub-Saharan Africa. Given the emergent risks, recurrent subsidence and erosions rank as permanent features in some areas of the continent like Nigeria. This exacerbates natural constraints on agricultural production and poor soil quality …
Get a quoteAssessment of environmental hazards: Linking borrow pits, gully erosion, and road failure Nwachukwu M. A.* and Osoro Eburukevwe Department of Environmental Technology, Federal University of Technology Owerri, Nigeria. Accepted 16 May, 2013 Highway failure linked to the action of erosion initiated by active or abandoned borrow pits in no small
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