Water Quality & Treatment: A Handbook on Drinking Water
Author: American Water Works Association(AWWA) and James Edzwald | Size: 13.17 MB | Format:PDF | Publisher: Mc Graw-Hill Professional | Year: 2010 | pages: 1696 | ISBN: 9780071630115
Overview
The definitive water quality and treatment resource--fully revised and updated
Comprehensive, current, and written by leading experts, Water Quality & Treatment: A Handbook on Drinking Water, Sixth Edition covers state-of-the-art technologies and methods for water treatment and quality control. Significant revisions and new material in this edition reflect the latest advances and critical topics in water supply and treatment. Presented by the American Water Works Association, this is the leading source of authoritative information on drinking water quality and treatment.
NEW CHAPTERS ON:
Chemical principles, source water composition, and watershed protection
Natural treatment systems
Water reuse for drinking water augmentation
Ultraviolet light processes
Formation and control of disinfection by-products
DETAILED COVERAGE OF:
Drinking water standards, regulations, goals, and health effects
Hydraulic characteristics of water treatment reactors
Gas-liquid processes and chemical oxidation
Coagulation, flocculation, sedimentation, and flotation
Granular media and membrane filtration
Ion exchange and adsorption of inorganic contaminants
Precipitation, coprecipitation, and precipitative softening
Adsorption of organic compounds by activated carbon
Chemical disinfection
Internal corrosion and deposition control
Microbiological quality control in distribution systems
Water treatment plant residuals management
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- University of Washington
Department of Construction Management
Winter Quarter 2007
Instructor: Kamran M. Nemati
CM 420 - Temporary Structures
Lesson 1:
Introduction to Concrete Formwork
and Vertical Formwork Design
- 36 pages
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New York State Department of Transportation
ENGINEERING INSTRUCTION
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Details of 5,000 Gal. Elevated Steel Tank ( pdf. )
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Posted by: ir_71 - 02-12-2011, 09:56 AM - Forum: General Books
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Modelling Enterprise Architectures
Author: Jon Holt and Simon Perry | Size: 1.18 MB | Format:PDF | Publisher: IET | Year: 2010 | pages: 336 | ISBN: 9781849190770
This book looks at the practical needs of creating and maintaining an effective EA within a 21st century business through the use of pragmatic modelling. Introducing the concepts behind enterprise architectures, it teaches the modelling notation needed to effectively realise an enterprise architecture and explores the concepts more fully through a real-life enterprise architecture.
Book readership
For enterprise architects, business managers, chief information officers, and chief technology officers.
Book contents
Introduction, Modelling, Introduction to the Notation, UML Diagrams, Essential Elements for EA, Requirements Modelling for EAs, Enterprise Architecture Case Study, Example
Frameworks
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Code of Practice for Precast Concrete Construction
Author: Buildings Department, Hong Kong | Size: 1.21 MB | Format:PDF | Publisher: The Government of the Hong Kong | Year: 2003 | pages: 73
This Code of Practice deals with the design, construction and quality control of structural and nonstructural precast concrete elements. The design method used in this code is the Limit State Design as given in the Code of Practice for the Structural Use of Concrete. Other alternative design approaches may also be used provided sufficient justifying calculations are submitted. For bridges and associated structures, reference should also be made to the Structures Design Manual for Highways and Railways issued by the Highways Department. All design should be carried out under the supervision of a registered structural engineer or authorized person, with the execution of the works carried out under proper supervision. The requirements outlined in this code apply to both structural and non-structural members.
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The purpose of the Concrete Pumping Code of Practice is to give practical advice about ways to manage exposure to risks identified as typical when conducting concrete pumping.
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1.1 These requirements cover steel primary, steel secondary, and steel diked type atmospheric storage tanks from 60 to 660 gallons (227 to 2500 L) intended primarily for the storage and supply of heating fuels for oil burning equipment, or alternately for the storage of diesel fuels for compression ignition engines and motor oils (new and used) for automotive service stations, in aboveground applications.
1.2 Each tank type shall be permitted to be fabricated in various shapes (cylindrical, rectangular or obround), orientations (horizontal, vertical) and may have integral options (tank supports or accessories), as covered in this Standard.
1.3 These shop fabricated tanks are completely fabricated, inspected and tested for leakage before shipment from the factory as completely assembled vessels except for options intended for field assembly in accordance with the manufacturers instructions.
1.4 Each tank shall be permitted to be fabricated as a double bottom tank as covered in this Standard.
1.5 These tanks are intended for installation and use in accordance with the Standard for the Installation of Oil-Burning Equipment , ANSI/NFPA 31, the Flammable and Combustible Liquids Code, ANSI/NFPA 30, the Code for Motor Fuel Dispensing Facilities and Repair Garages, NFPA 30A, the Uniform Fire Code, ANSI/NFPA 1, and the International Fire Code published by the International Code Council.
1.6 These requirements do not apply to tanks covered by the Standard for Steel Underground Tanks for Flammable and Combustible Liquids, UL 58, the Standard for Steel Aboveground Tanks for Flammable and Combustible Liquids, UL 142, the Standard for Fire Resistant Tanks for Flammable and Combustible Liquids, UL 2080, the Standard for Protected Aboveground Tanks for Flammable and Combustible Liquids, UL 2085, or the Outline of Investigation for Non-Metallic Oil Burner Fuel Tanks, SU 2258.
1.7 These requirements do not apply to tanks covered by the Specification for Field-Welded Tanks for Storage of Production Liquids, API 12D; and the Specification for Shop-Welded Tanks for Storage of Production Liquids, API 12F or the Standard for Welded Steel Tanks for Oil Storage, API 650.
1.8 These requirements do not cover storage of waste oils or other combustible liquids with different fire, physical, or material compatibility properties with respect to the intended liquids in 1.1, and do not cover fuel blends with more than 20 percent of bio diesel fuel. These requirements do not cover storage of flammable liquids.
1.9 These requirements do not cover special evaluations for resistance to hurricanes, tornadoes, earthquakes, floods, fires or other natural disasters; or resistance to vehicle impact.
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Defective construction work, whether the result of inadequate design, faulty workmanship or poor materials – or some combination of these failings – is a frequent cause of legal disputes. Someone is usually to blame, either the builder or one or more of the professional consultants, or even the entire project team. It is important therefore that the project team should possess a good working knowledge of their responsibilities and liabilities.
Written by a solicitor with over twenty years of experience of building disputes, this book examines the responsibilities and liabilities of the project team when defects occur. It sets out the background role of the common law and statute and includes detailed discussion of important case law affecting the construction process from inception through to completion, together with a consideration of the impact of letters of intent, ‘no contract’ situations, and specific provisions of model conditions of contract.
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Cementitious materials, rocks and fibre-reinforced composites commonly termed as quasibrittle, need a different fracture mechanics approach to model the crack propagation study because of the presence of significant size of fracture process zone ahead of the crack-tip. Recent studies show that concrete structures manifest three important stages in fracture process: crack initiation, stable crack propagation and unstable fracture or failure. Fracture Mechanics concept can better explain the above various stages including the concepts of ductility, size-effect, strain softening and post-cracking behavior of concrete and concrete structures.
The book presents a basic introduction on the various nonlinear concrete fracture models considering the respective fracture parameters. To this end, a thorough state-of-the-art review on various aspects of the material behavior and development of different concrete fracture models is presented. The development of cohesive crack model for standard test geometries using commonly used softening functions is shown and extensive studies on the behavior of cohesive crack fracture parameters are also carried out. The subsequent chapter contains the extensive study on the double-K and double-G fracture parameters in which some recent developments on the related fracture parameters are illustrated including introduction of weight function method to Double-K Fracture Model and formulization of size-effect behavior of the double-K fracture parameters. The application of weight function approach for determining of the KR-curve associated with cohesive stress distribution in the fracture process zone is also presented. Available test data are used to validate the new approach. Further, effect of specimen geometry, loading condition, size-effect and softening function on various fracture parameters is investigated. Towards the end, a comparative study between different fracture parameters obtained from various models is presented.
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