Laborbased framework in road maintenance in uganda 14. This first edition of the low volume road maintenance booklet has been prepared after circulation and discussion of a draft with the aim of gathering comments and contributions from stakeholders and potential users. Quality o f the con struction largely depends upon. To establish a cadre of local smallscale contractors capable of undertaking road construction and maintenance works using labourbased methods. The purpose of the manual is to provide supervisors of labourbased road construction works with an easy step by step guide, which at the end, will ensure that. This book brings together uptodate, undocumented information on the practices of labourbased road construction in low income countries around the world. Use the figures in this division when estimating the cost of.
Strategy document for a labourbased road works programme in. They are the salary of labors, their accommodation, food, insurance cost etc. The cost of construction project highly depends on the requirements of labor for various activities during construction. The employmentintensive investment programme of the ilo. Aim the aim of this manual is to provide contractors, involved in the labourbased construction and upgrading of low volume roads, with an introduction to and basic understanding of. Construction contingency a standardized markup applied to the construction cost of a project that accounts for uncertainties in quantities, unit costs, and minor risk events that typically take place during construction. Labourbased methods and technologies for employment intensive construction works. Because improvements require local initiative, the likelihood of sustained maintenance is high. When projects are planned and budgeted based on historical data, it is important to consider the differentiators and variables unique to. We fully support the use of such methods, where appropriate, and there are numerous benefits where these methods.
Necessary details dealing with activities that may be overlooked in this plan will be addressed as the need arises and incorporated into the qcp. For details on hauling equipment see module e, labour based construction. Zibambele the zibambele road maintenance contract system is a poverty alleviation programme creating sustainable jobs for poor rural families while they maintain rural roads. The employmentintensive investment programme eiip of the ilo is among the best known of all of the iloos worldwide technical cooperation activities. The purpose of this manual is to provide supervisors of labour based road construction works with an. Rolling dips are constructed breaks in the road grade designed to drain water directly from the road surface to the outside of a road without using an inside ditch or ditch relief culvert fig.
They cover all aspects of labourbased technology for infrastructure development and access and rural employment from first steps to detailed implementation. Those whove calculated earthwork takeoffs on paper will make better use of their software. The labor cost component of a building project often ranges from 30 to 50%, and can be as high as 60% of the overall project cost. Labourbased road construction and maintenance technology. It is intended that the document will be further refined from time to time to. This investment therefore requires an organized and balanced maintenance program to realize the maximum service life of the roadnetwork. Costs and percent labor associated with soil erosion and water pollution control. This document is not intended to be comprehensive and therefore does not provide information on all construction activities. To establish a cadre of local smallscale contractors capable of undertaking road construction and. Type thickness plantbased labourbased slurry 15 mm 0,110 2,011 asphalt 25mm 0,140 1,170 concrete blocks 60mm 0,930 2,120 note. The attention of the module is primarily focused on the use of direct labour or smallscale labour contractors for the execution of maintenance operations.
Labourbased road construction looks at the design, selection, and use of intermediate equipment for labour forces. Therefore, it is clear that construction labor is a vital component of a construction project. This manual is a guide to the construction of new bituminous surfacings on unpaved low trafficked roads in tropical countries using labourbased methods. These figures apply to the surfacing of the road only. The approach is based on maintenance of road network in fair or good. Contracting manual for labour based road rehabilitation works, volume 1, rts in collaboration with norconsult a. The engineers method is to calculate the number of cubic meters to be excavated using formulas or tables for calculating earthwork quantities as a function of.
Processes for rural road planning and prioritysetting establishing budgets and priorities for rural road works requires not only a methodology. Definition 1m3 is the volume of a cube with a length of side of 1m. Ssrbc standard specification for road and bridge construction, 1986. Communitybased labourintensive construction2 of the amadiba road, which stretches for forty kilometres from a blacktopped provincial road r61 to the mtentu estuary, began in january 2002. Based in manila, adb is owned by 67 members, including 48 from the region. Thus it is essential to understand the number labors required for each activity of. The aim of this study is to get the latest information and to identify the key factors.
Comments received from users of the manual have been incorporated in the 2016 version. They require vehicles to slow their speed of travel. Labourbased road construction brings together uptodate, undocumented information on the practices of labourbased road construction in low income countries around the world. Manual for supervision of labourbased road rehabilitation works.
Construction manual washington state department of. However, the project itself had been running since july 2001. These tools tend to be either oriented toward modeling resource processes or towards representation. Estimating excavation revised craftsman book company. The national economic forum estimate that, of the amount of money spent on road construction, 5.
Kenya to find about labourbased road building and maintenance. The 2016 version also incorporates recent innovations in low volume road design and construction practices from ethiopia and the region. This procedure manual provides a guide to the correct onstruction c practices and procedures for use on road contracts by the roads and highways department. Quality manual reporting forms inspection forms contact. Pdf contractors handbook labourbased road works republic of. The productivity of labour is particularly important especially in developing countries, where most of the building construction work is still on manual basis. In the intervening period leading up to the commencement of the construction activities, a firm. So, even though computers are used more and more for earthwork project takeoffs, having a background in the math involved in project calculations will improve your. Ed caldeira 4104518006 road construction qaqc manual sample companyname road construction quality manual operating policies of the companyname quality system. Labourbased construction methods for earthworks page 3 april, 2004. Labourbased methods in road construction and maintenance are cost efficient and at the same time empower local communities.
The 2016 national construction estimator lists estimated construction costs to general contractors performing the work with their own crews, as of mid2016. Construction labor productivity and its improvement. Labourbased technology can be defined as the construction technology which, while. The purpose of this manual is to provide technical staff from supervisors to engineers with a field reference which in detail explains and prescribes the work methods and technical standards applied when constructing rural roads using labourbased methods in lao pdr. For such roads, improvement works should be primarily labourbased. All staff should therefore be conversant with essential safety knowledge and have a high degree of safety awareness so that they are able to identity unsafe actsconditions and ask for rectification. Road construction superintendents can often estimate the number of meters per hour that their equipment can build road based upon local experience after looking at the topography. Manual for supervision of labourbased road rehabilitation works ilo. Computer based simulation of construction operations can be a useful although laborious tool in analyzing the efficiency of particular processes or technologies.
Mctpc has recently developed a design manual which has now been. No two construction projects are exactly the same and vary in many ways such as design, size, capacity, utilities, location, orientation, and so on. There are direct and indirect costs associated with the labor. Introduction to labourbased road construction road. Expansion of labourbased methods in maintenance of public roads. Labourbased road construction and maintenance technology 1 national polytechnic institute school of communication and transport international labour organisation prepared by bjorn johannessen engineering consultant 1m 1m 0.
Many of the activities are conventionally carried out by labour teams. Contractors quality assurance and quality control manual qaqc manual, the project plans, specifications and contract documents. Cost estimating guide for road construction forest service usda. Labourbased road construction development bookshelf. Cost estimation manual for road maintenance works 2011 1 page foreword roads are among the most valuable public assets in the country. A team from the itdg transport programme visited ilo. The manual is designed in a manner that makes it easy to use for training and as a reference book. Techical manual labourbased road construction methods, laos. Labourbased road construction and maintenance technology table of contents 1 appropriate road works technology in developing countries 1. Labourbased methods and technologies for employment.
The book looks at the design, selection and use of intermediate equipment for labour forces. Supervision and contract evaluation manual for road works. The draft manual was published in 2011 and used extensively on the universal rural roads access programme urrap. Volumes are calculated by multiplying a base aream2 with a third dimension.
It draws on the experiences of practitioners working in this field who describe tried and tested ideas, and also looks at failures and their causes. Laborbased technology in road works is an approach in which major means of production or input of labor is performed with nonmechanical tools. Its main instruments for helping its developing member countries are policy dialogue, loans, equity investments, guarantees, grants, and technical assistance. Although most of the local bodies possess little or no basic machinery and equipment like rollers. It also discusses the issues of contracting out road construction and maintenance, considering the problems encountered and how to overcome them. The use of labour based methods for road construction is now widely practised in many developing countries. The aim of this manual is to provide contractors involved in the labourbased construction of bituminous seals, with a detailed description of the materials, plant and equipment and processes involved in the construction of this work.
755 286 1473 757 1423 414 167 452 225 872 629 123 1486 1462 577 499 1282 529 1209 383 588 795 64 512 485 873 896 171 819 847 468 220 225 104 381 1281 1313 133 625 375 1324 1436 812