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The purpose of this manual is to provide clear and helpful information for maintaining gravel roads. Very little technical help is available to small agencies that are responsible for managing these roads. Gravel road maintenance has traditionally been "more of an art than a science" and very few formal standards exist. This manual contains guidelines to help answer the questions that arise concerning gravel road maintenance such as: What is enough surface crown? What is too much? What causes corrugation? The information is as nontechnical as possible without sacrificing clear guidelines and instructions on how to do the job right.
Winner of the IENE Project Award 2016. This authoritative volume brings together some of the world’s leading researchers, academics, practitioners and transportation agency personnel to present the current status of the ecological sustainability of the linear infrastructure – primarily road, rail and utility easements – that dissect and fragment landscapes globally. It outlines the potential impacts, demonstrates how this infrastructure is being improved, and how broad ecological principles are applied to mitigate the impact of road networks on wildlife. Research and monitoring is an important aspect of road ecology, encompassing all phases of a transportation project. This book covers research and monitoring to span the entire project continuum – starting with planning and design, through construction and into maintenance and management. It focuses on impacts and solutions for species groups and specific regions, with particular emphasis on the unique challenges facing Asia, South America and Africa. Other key features: Contributions from authors originating from over 25 countries, including from all continents Each chapter summarizes important lessons, and includes lists of further reading and thoroughly up to date references Highlights principles that address key points relevant to all phases in all road projects Explains best-practices based on a number of successful international case studies Chapters are "stand-alone", but they also build upon and complement each other; extensive cross-referencing directs the reader to relevant material elsewhere in the book Handbook of Road Ecology offers a comprehensive summary of approximately 30 years of global efforts to quantify the impacts of roads and traffic and implement effective mitigation. As such, it is essential reading for those involved in the planning, design, assessment and construction of new roads; the management and maintenance of existing roads; and the modifying or retrofitting of existing roads and problem locations. This handbook is an accessible resource for both developed and developing countries, including government transportation agencies, Government environmental/conservation agencies, NGOs, and road funding and donor organisations.
A young architect's search for new architectural values in a time of economic crisis. I paused at the stoop and thought this could be the basis of a good book. The story of a young man who went deep into the bowels of the academy in order to understand architecture and found it had been on his doorstep all along. This had an air of hokeyness about it, but it had been a tough couple of days and I was feeling sentimental about the warm confines of the studio which had unceremoniously discharged me upon the world.—from Down Detour Road What does it say about the value of architecture that as the world faces economic and ecological crises, unprecedented numbers of architects are out of work? This is the question that confronted architect Eric Cesal as he finished graduate school at the onset of the worst financial meltdown in a generation. Down Detour Road is his journey: one that begins off-course, and ends in a hopeful new vision of architecture. Like many architects of his generation, Cesal confronts a cold reality. Architects may assure each other of their own importance, but society has come to view architecture as a luxury it can do without. For Cesal, this recognition becomes an occasion to rethink architecture and its value from the very core. He argues that the times demand a new architecture, an empowered architecture that is useful and relevant. New architectural values emerge as our cultural values shift: from high risks to safe bets, from strong portfolios to strong communities, and from clean lines to clean energy.This is not a book about how to run a firm or a profession; it doesn't predict the future of architectural form or aesthetics. It is a personal story—and in many ways a generational one: a story that follows its author on a winding detour across the country, around the profession, and into a new architectural reality.
Illinois 2021 Rules of the Road handbook, drive safe!