Yarding and Loading Costs for Salvaging in Old-Growth Douglas-Fir with a Mobile High-Lead Yarder (Classic Reprint) PDF Download
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Author: John Carow
Publisher: Forgotten Books
ISBN: 9781528110204
Category : Technology & Engineering
Languages : en
Pages : 38
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Book Description
Excerpt from Yarding and Loading Costs for Salvaging in Old-Growth Douglas-Fir With a Mobile High-Lead Yarder This report describes the use of a mobile high-lead yarder to salvage dead and down timber in old-growth stands reserved for future cutting under the staggered-setting system of management. Atime and production study of the yarding Operation, and regression analyses of the data revealed the factors affecting each step in the yarding sequence. Results of the analyses permit pre diction of yarding time per turn for different yarding distances and log sizes under conditions similar to those encountered on the study area. Also, an equation was developed to relate loading time to the number of logs per load. Data on yarding costs were obtained by application of the yarder operating-cost rate to yarding times. A consideration of the geometry involved in yarding to landings along contour roads brought in other related logging costs-cab1e-road changing, moving and rig up, and truck road construction-so that cost data from both the time study and the operator's records could be used to analyze problems of efficient planning. Results indicate limits of volume per acre and log size within which efficient high-lead salvage operations can be planned. A for mula is given for evaluating the effect of these and other variables in determining total yarding, moving, and road costs. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: John Carow
Publisher: Forgotten Books
ISBN: 9781528110204
Category : Technology & Engineering
Languages : en
Pages : 38
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Book Description
Excerpt from Yarding and Loading Costs for Salvaging in Old-Growth Douglas-Fir With a Mobile High-Lead Yarder This report describes the use of a mobile high-lead yarder to salvage dead and down timber in old-growth stands reserved for future cutting under the staggered-setting system of management. Atime and production study of the yarding Operation, and regression analyses of the data revealed the factors affecting each step in the yarding sequence. Results of the analyses permit pre diction of yarding time per turn for different yarding distances and log sizes under conditions similar to those encountered on the study area. Also, an equation was developed to relate loading time to the number of logs per load. Data on yarding costs were obtained by application of the yarder operating-cost rate to yarding times. A consideration of the geometry involved in yarding to landings along contour roads brought in other related logging costs-cab1e-road changing, moving and rig up, and truck road construction-so that cost data from both the time study and the operator's records could be used to analyze problems of efficient planning. Results indicate limits of volume per acre and log size within which efficient high-lead salvage operations can be planned. A for mula is given for evaluating the effect of these and other variables in determining total yarding, moving, and road costs. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 236
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Book Description
Popular Mechanics inspires, instructs and influences readers to help them master the modern world. Whether it’s practical DIY home-improvement tips, gadgets and digital technology, information on the newest cars or the latest breakthroughs in science -- PM is the ultimate guide to our high-tech lifestyle.
Author: Alan Solomon
Publisher: Abrams
ISBN: 1683356500
Category : House & Home
Languages : en
Pages : 358
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Book Description
The first handbook on reclaimed wood, combining useful information, rich history, and home design ideas. Reclaimed wood is a gift from ancient forests and a versatile material. Our ancestors built their homes and barns, warehouses, and factories with white pine and oak from the Northeast and the Midwest, longleaf pine and cypress from the South, and Douglas fir and redwood from the Northwest. When we salvage these and other woods for new projects, we are strengthening our own roots. Reclaimed Wood: A Field Guide is the first complete visual survey of this valuable resource, with chapters on history, sources, and types of wood, reclamation, and practical information, and its use in modern architecture and design.
Author: Arsen Darnay
Publisher:
ISBN:
Category : Junk trade
Languages : en
Pages : 372
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Book Description
Author: Gary Snyder
Publisher: Catapult
ISBN: 1582439354
Category : Religion
Languages : en
Pages : 206
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Book Description
A collection of captivatingly meditative essays that display a deep understanding of Buddhist belief, wildness, wildlife, and the world from an American cultural force. With thoughts ranging from political and spiritual matters to those regarding the environment and the art of becoming native to this continent, the nine essays in The Practice of the Wild display the deep understanding and wide erudition of Gary Snyder. These essays, first published in 1990, stand as the mature centerpiece of Snyder's work and thought, and this profound collection is widely accepted as one of the central texts on wilderness and the interaction of nature and culture.
Author: Thomas C. Jester
Publisher: Getty Publications
ISBN: 1606063251
Category : Architecture
Languages : en
Pages : 354
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Book Description
Over the concluding decades of the twentieth century, the historic preservation community increasingly turned its attention to modern buildings, including bungalows from the 1930s, gas stations and diners from the 1940s, and office buildings and architectural homes from the 1950s. Conservation efforts, however, were often hampered by a lack of technical information about the products used in these structures, and to fill this gap Twentieth-Century Building Materials was developed by the U.S. Department of the Interior’s National Park Service and first published in 1995. Now, this invaluable guide is being reissued—with a new preface by the book’s original editor. With more than 250 illustrations, including a full-color photographic essay, the volume remains an indispensable reference on the history and conservation of modern building materials. Thirty-seven essays written by leading experts offer insights into the history, manufacturing processes, and uses of a wide range of materials, including glass block, aluminum, plywood, linoleum, and gypsum board. Readers will also learn about how these materials perform over time and discover valuable conservation and repair techniques. Bibliographies and sources for further research complete the volume. The book is intended for a wide range of conservation professionals including architects, engineers, conservators, and material scientists engaged in the conservation of modern buildings, as well as scholars in related disciplines.
Author: Architectural Woodwork Institute (AWI)
Publisher:
ISBN: 9780990544449
Category :
Languages : en
Pages :
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Book Description
A joint publication of the Architectural Woodwork Institute (AWI), the Architectural woodwork Manufacturers Association of Canada (AWMAC), and the Woodwork Institute (WI).
Author: Architectural Woodwork Manufacturers Association of Canada
Publisher: Ingram
ISBN: 9780615289885
Category : Architectural woodwork
Languages : en
Pages : 632
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Book Description
Published by the Architecural Woodwork Institue, the Woodwork Institute and the Architectural Woodwork Manufacturers Association of Canada, The Architectural Woodwork Standards is the architectural woodwork industry's comprehensive standard for quality, construction methods, finishing and installation of fine architectural woodwork. On October 1, 2009, the new AWS book replaces the AWI-AWMAC Quality Standards Illustrated and the WI Manual of Millwork as the industry standards.
Author: Marshall Berman
Publisher: Verso
ISBN: 9780860917854
Category : History
Languages : en
Pages : 388
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Book Description
The experience of modernization -- the dizzying social changes that swept millions of people into the capitalist world -- and modernism in art, literature and architecture are brilliantly integrated in this account.
Author:
Publisher: U.S. Government Printing Office
ISBN:
Category : Architecture
Languages : en
Pages : 326
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Book Description
