Construction of Road Project in Nigeria by Limult
Road construction involves the paving, rehabilitation, and reclamation of degraded pavements in order to achieve a state of good repair and increase road traffic safety. Construction of road involves the use of asphalt, liquid asphalt, concrete, soil stabilization, rebar, paving and pavement recycling machines, and other road repair materials.
Road construction projects are expensive and highly affected by uncertainties related to factors such as weather, type of soil and other site and environmental factors. These uncertainties impact on the accuracy of predicting resource productivity and developing reliable schedules for earthwork operations.
Current simulation and planning approaches and tools not only lack the capabilities of dealing with such uncertainties but they also lack the integration and intelligence to simulate multiple strategies – a model should be built every time a new scenario is required. As a result, planning decisions regarding the assignment of resources are purely based on planners experience and project plans are not the outcomes of comparing various allocation strategies.
The Steps To Starting A Road Construction Project
Concept Planning and Funding
Before any type of road maintenance or construction project can begin, industry professionals must receive the proper plans and funding. During this phase, the local government raises the notion of building or fixing certain areas. Then, it raises money in case of approval. The government will choose a construction company for the task and ask them to develop blueprints for the project.
Environmental Review and Inspection
The next step to starting a road construction project is to conduct an environmental impact review and overall inspection of the proposed job site. This is to assess the amount of damage posed to the environment during the course of the project, and whether the result is worth the risk. If given the go-ahead, those in charge of the project are required to perform a full inspection of the site to check whether it aligns with the project plans.
Job Site Preparation
Once everything is inspected and approved, it’s time to start preparing the site for the actual construction process. This often involves acquiring the proper equipment, establishing a construction zone lighting plan, and contacting material suppliers. For road projects, the government may hire professional flaggers to block off the construction zone and properly direct traffic. These are the best methods to ensure maximum safety for both workers and passing drivers.
Construction
Only after all of this planning and preparation can construction officially start. Depending on the type and scale of the work, the old road may be removed and repaved with fresh asphalt. Road work may also require fixing broken electrical lines or even water mains that run underground. Each project will be different, so the planning stages are crucial in ensuring that all problems are addressed.
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Limult Railway Development
In most of the Sub-Saharan African (SSA) countries railways have played, throughout history, a key part in the economic development maintaining a dominant role in transporting freight and passengers at low costs. During the last 50 years, the road transport in the region as throughout the world has expanded rapidly due to the aggressive development of the automobile industry. African governments have invested mainly in road infrastructure improvement, neglecting railways. The liberalization in road transport and the slow response of railways to adapt to the new market conditions resulted in dramatic traffic decline in rail transport. By 1990 most of the Sub-Saharan African railways were in virtual bankruptcy, requiring permanent cash injection and large investments in infrastructure and rolling stock. To address the crisis, many governments have considered concessions as a solution, and between the mid-1990s and 2010 most of the railways were concessioned. Currently, more than 70 percent of the rail transport activities in the region (excluding South Africa) are managed by private operators. The World Bank Group (IDA and IFC) has supported most concession processes through grants and loans, investing since 1996 more than one billion dollars to support the efforts of the governments and private operators. The recommendations suggested in the present document are based on a comprehensive approach for improving the performance of the railway sector in parallel with the enhancement of the governance of the transport sector. The rhythm of implementation of such a complex set of recommendations may vary from country to country depending on local conditions and will require, in any case, a long period of time. Nevertheless, the dramatic status of the railway transport sector in SSA requires rapid actions. In this respect, the present work includes a selected list of most urgent recommendations to be implemented in the first stage. The way ahead for improving the performance of railways in Sub-Saharan Africa is a complex endeavor that cannot be achieved without the strong involvement of the private sector.
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