Tunnel Contractor (2013-12-24)

This popular manual has been updated and improved to bring it more current with modern earthmoving and trenching equipment, refined excavation techniques, stricter safety rules, and improved materials. Here you’ll find how to enter and succeed in the underground utility business. Includes hands-on instructions for operating the equipment and doing the trenching, pipe laying and connecting work and answers to what causes so many skilled equipment operators and pipelayers to fail when they try to start their own business.

More then any other material of construction, concrete depends for its performance on the skill and understanding of the man on the job. Since this applies particularly to reinforced concrete construction, it will be a matter of great interest to all contractors a now handbook entitled "CRSI Recommended Practice for Placeing Reinforcing Bars." The book was prepared under the direction of the Engineering Proactive Committee of the Concrete Reinforcing Steel Institute by R. C. Reese. The book answers hundreds of questions. Some examples are: how many standard sizes of reinforcing bars are now being rolled; what are stirrups and why are they used; why are column spirals used and related issues.

Design and Control of Concrete Mixtures--The Guide to Applications, Methods, and Materials, has been the industry’s primary reference on concrete technology for over 85 years This fully revised 15th edition is a concise, current reference on concrete, that includes the many advances that occurred since the last edition was published in 2002. The text is backed by over 95 years of research by the Portland Cement Association. It reflects the latest information on standards, specifications, test methods and guides of ASTM International (ASTM), the American Association of State Highway and Transportation Officials (AASHTO), the American Concrete Institute (ACI), and the National Ready Mixed Concrete Association (NRMCA). "Think Harder Concrete"!

This instructional manual has been prepared by the Post-Tensioning Institute's Committee for Training and Certification of Field Personnel for Unbonded Post-Tensioning soley as a recommended general guide and assistance to the placement, installation and inspection of unbonded single strand post-tensioning systems, the operation of stressing equipment, and accessories.

This document provides guidance to construction site operators that need to prepare a SWPPP in order to receive NPDES permit coverage for their stormwater discharges. The Clean Water Act provisions, EPA regulations and EPA’s Construction General Permit described in this document contain legally binding requirements. This document does not substitute for those provisions, regulations or permit, nor is it a regulation or permit itself. It also does not substitute for requirements under State law or construction general permits issued by States. It does not impose legally-binding requirements on EPA, States, or the regulated community, and may not apply to a particular situation based upon the circumstances. EPA and State decisionmakers retain the discretion to adopt approaches on a case-by-case basis that differ from this guidance where appropriate. Any decisions regarding a particular construction site will be made based on the applicable statutes, regulations and/or permit terms. Therefore, interested parties are free to raise questions and objections about the appropriateness of the application of this guidance to a particular situation, and EPA—or the applicable NPDES permitting authority—will consider whether or not the recommendations or interpretations in the guidance are appropriate in that situation based on the law and regulations.

Since 1957 successive editions of the Handbook of Rigging for Construction and Industrial Operations have delivered proven solutions for erecting reliable rigs and scaffolds for plants and factories, loading docks, mines and ports, and construction and demolition sites. Complete with extensive coverage of relevant OSHA regulations plus the author's own expert advice on safe practices, this definitive guide shows you how to select and use: rigging tools--fiber and wire-strand rope, slings and hitches, end attachments and fittings, and blocks, sheaves, reeving, and drums-scaffolding and ladders--both manual and powered swinging and suspended scaffolds, wood and metal stationary scaffolds, specialized scaffolds, and portable ladders, rigging machinery--derricks and cranes, overhead hoists, personnel/material hoists, and helicopters, rigging accessories--jacks, rollers, and skids plus safety belts, lifelines, and nets.

ASCE/CI 36-01