Hartwell marcus (54 resultados)

Paperback. Condición: New.

Paperback. Condición: New.

Condición: New.

Condición: As New. Unread book in perfect condition.

Paperback. Condición: new. Paperback. Underground utility construction sits at the intersection of civil engineering, regulatory compliance, construction management, and field operations. It demands professionals who can read soil conditions, design protective systems, select and install the correct pipe, estimate work accurately, navigate trenchless options, manage active projects, and meet environmental and traffic control obligations - often simultaneously, on tight schedules, and under the scrutiny of public agency inspectors. Existing resources in the underground utility field tend to divide into two camps: narrow technical standards that address one system or one material, and general construction management texts that treat underground work superficially. The contractor who needs to verify a soil classification procedure, check ASTM D2321 pipe zone specifications, evaluate a trenchless drilling proposal, structure a unit price bid from first principles, or respond to a change order request finds that none of those references fully serves the task. This handbook fills that gap. Structured across fifteen chapters, it delivers a complete picture of underground utility and pipe excavation contracting - from the industry's regulatory foundations and technical standards through the practical field operations, estimating systems, and project management processes that determine whether a contract is executed successfully. In this book, you will explore: The complete OSHA 29 CFR 1926 Subpart P regulatory structure - the competent person requirement, the three permitted protective systems, the conditions that trigger mandatory protective measures, and the inspection and documentation obligations that attach to every regulated excavation The Unified Soil Classification System and the OSHA Type A, B, C soil framework, applied through five standard field testing methods, with worked examples showing how borderline conditions are classified and how protective system selection follows from classification results The full range of buried pipe materials used in underground utility work - including ductile iron, PVC, HDPE, reinforced concrete pipe, vitrified clay pipe, and steel - with the applicable industry standards, jointing systems, and installation requirements for each material category The five-zone pipe installation model defined under ASTM D2321, covering foundation preparation, bedding material selection and placement, haunch zone support, primary initial backfill, and secondary backfill with compaction requirements for each zone All major trenchless installation methods - horizontal directional drilling, cured-in-place pipe lining, pipe bursting, pipe jacking, and auger boring - with practical discussion of applicability, limitations, and general operational requirements Construction estimating and unit price bidding, covering the complete workflow from quantity takeoff through crew productivity assessment, direct cost calculation, indirect cost allocation, markup and profit determination, and bid submission Project management systems for underground utility contracts, including critical path method scheduling, earned value management, change order evaluation and documentation, and the regulatory compliance obligations that extend through project closeout This handbook is written for underground utility contractors at every level of experience, pipe crew foremen and supervisors moving into project management roles, civil engineers transitioning from design into field construction, safety officers responsible for OSHA excavation compliance, inspection professionals who need to understand construction requirements from the contractor's perspective, and civil engineering students preparing to enter the underground utility sector. This item is printed on de Shipping may be from multiple locations in the US or from the UK, depending on stock availability.…

Condición: New.

Paperback. Condición: new. Paperback. Underground utility construction sits at the intersection of civil engineering, regulatory compliance, construction management, and field operations. It demands professionals who can read soil conditions, design protective systems, select and install the correct pipe, estimate work accurately, navigate trenchless options, manage active projects, and meet environmental and traffic control obligations - often simultaneously, on tight schedules, and under the scrutiny of public agency inspectors. Existing resources in the underground utility field tend to divide into two camps: narrow technical standards that address one system or one material, and general construction management texts that treat underground work superficially. The contractor who needs to verify a soil classification procedure, check ASTM D2321 pipe zone specifications, evaluate a trenchless drilling proposal, structure a unit price bid from first principles, or respond to a change order request finds that none of those references fully serves the task. This handbook fills that gap. Structured across fifteen chapters, it delivers a complete picture of underground utility and pipe excavation contracting - from the industry's regulatory foundations and technical standards through the practical field operations, estimating systems, and project management processes that determine whether a contract is executed successfully. In this book, you will explore: The complete OSHA 29 CFR 1926 Subpart P regulatory structure - the competent person requirement, the three permitted protective systems, the conditions that trigger mandatory protective measures, and the inspection and documentation obligations that attach to every regulated excavation The Unified Soil Classification System and the OSHA Type A, B, C soil framework, applied through five standard field testing methods, with worked examples showing how borderline conditions are classified and how protective system selection follows from classification results The full range of buried pipe materials used in underground utility work - including ductile iron, PVC, HDPE, reinforced concrete pipe, vitrified clay pipe, and steel - with the applicable industry standards, jointing systems, and installation requirements for each material category The five-zone pipe installation model defined under ASTM D2321, covering foundation preparation, bedding material selection and placement, haunch zone support, primary initial backfill, and secondary backfill with compaction requirements for each zone All major trenchless installation methods - horizontal directional drilling, cured-in-place pipe lining, pipe bursting, pipe jacking, and auger boring - with practical discussion of applicability, limitations, and general operational requirements Construction estimating and unit price bidding, covering the complete workflow from quantity takeoff through crew productivity assessment, direct cost calculation, indirect cost allocation, markup and profit determination, and bid submission Project management systems for underground utility contracts, including critical path method scheduling, earned value management, change order evaluation and documentation, and the regulatory compliance obligations that extend through project closeout This handbook is written for underground utility contractors at every level of experience, pipe crew foremen and supervisors moving into project management roles, civil engineers transitioning from design into field construction, safety officers responsible for OSHA excavation compliance, inspection professionals who need to understand construction requirements from the contractor's perspective, and civil engineering students preparing to enter the underground utility sector. This item is Shipping may be from our UK warehouse or from our Australian or US warehouses, depending on stock availability.…

Condición: As New. Unread book in perfect condition.

Paperback. Condición: New.

Taschenbuch. Condición: Neu. Neuware.

Taschenbuch. Condición: Neu. Neuware.

Taschenbuch. Condición: Neu. Neuware.

Taschenbuch. Condición: Neu. Neuware - A compressor that won't start, a system that 'just needs a recharge,' a rooftop unit throwing a fault code no one can decode - every one of these has a physical explanation, and refrigeration and air conditioning work at every level, from a single-family split system to a supermarket refrigeration rack to a centrifugal chiller, runs on the same underlying physics. Many technicians and students learn this trade as a list of procedures rather than a connected system, which works until an unfamiliar fault pattern appears, a newer lower-impact refrigerant behaves differently than the one it replaces, or a customer asks why a repair actually solved the problem. Resources tend to cover either the theory or the fieldwork, and rarely span the full range of equipment - residential, commercial, and industrial - that a working technician will encounter over a career. This handbook is organized as a complete, progressive technical reference that connects thermodynamic fundamentals directly to field diagnostics, calculations, and service procedures across the full scope of HVAC/R practice, so the reader can reason through unfamiliar situations rather than simply following a checklist. Inside, you will: - Understand the pressure-enthalpy diagram and refrigeration-cycle calculations well enough to explain, not just execute, a diagnostic reading - Take field measurements and translate them into evidence-based fault diagnoses using structured diagnostic fault matrices for compressors, heat exchangers, and expansion devices - Apply psychrometric principles and load-calculation methods to correctly size and evaluate residential and commercial systems - Work confidently with the refrigerants active in the field today, including newer lower-impact options entering residential and commercial equipment - Install, commission, and service residential split systems and commercial rooftop equipment using structured, repeatable procedures - Extend the same diagnostic framework to chiller plants, cooling towers, building controls, and commercial or industrial refrigeration systems - Reinforce every concept with worked examples, chapter practice problems and answer keys, and key-term glossaries built into the text Who this book is for: apprentice and trade-school HVAC/R students building foundational knowledge, journeyman and field service technicians who want a dependable diagnostic and calculation reference, and facilities engineers, service leads, or project managers who need authoritative coverage connecting system physics to real-world performance across residential, commercial, and industrial equipment. Take the next step toward a complete, structured understanding of the subject - get your copy and start connecting the physics of refrigeration and air conditioning to the diagnostic and service work in front of you.…

Taschenbuch. Condición: Neu. Neuware.

Taschenbuch. Condición: Neu. Neuware - Understand the principles behind reliable plumbing vent systems with a practical guide for professionals, technicians, inspectors, and students of building drainage design. A properly designed vent system does more than allow air into drainage pipes. It helps protect trap seals, manage pressure changes, prevent drainage problems, and support safe and efficient plumbing performance. Understanding how these systems function is important for anyone involved in installation, inspection, troubleshooting, renovation, or building drainage work. This handbook provides a structured exploration of plumbing vent system design, beginning with fundamental concepts and progressing to practical field applications. It examines how pressure changes affect drainage, why trap seals fail, how different venting arrangements function, and how drainage loads and sizing considerations influence design decisions. Inside this handbook, you will find: - The principles behind plumbing vent operation and pressure balance- Common causes of trap seal failure and approaches to diagnosis- Different venting arrangements and the conditions in which they may be appropriate- Methods for drainage load calculations and pipe sizing- Considerations for specialized installations and challenging project conditions- Testing, inspection, troubleshooting, and renovation strategies>Whether you are developing trade knowledge, preparing for professional work, strengthening inspection skills, or studying building drainage systems, this handbook provides a structured reference from fundamental principles through practical application. Use this book to develop a clearer understanding of plumbing vent systems, evaluate design considerations, and approach drainage challenges with a sound understanding of the underlying principles.…

Taschenbuch. Condición: Neu. Neuware.

Taschenbuch. Condición: Neu. Neuware.

Taschenbuch. Condición: Neu. Neuware - Programmable Logic Controllers are at the heart of modern machine control and industrial automation, but learning how a PLC actually processes inputs, executes logic, communicates with equipment, and controls physical processes requires more than memorizing programming instructions. This book is designed to help readers understand the principles behind PLC hardware, programming, control systems, and industrial applications. It connects fundamental concepts with practical engineering examples so readers can develop a clearer understanding of how complete PLC systems are designed, programmed, tested, and commissioned. Inside, you will explore: - PLC architecture, hardware selection, I/O modules, memory, and scan-cycle operation - Ladder Diagram, Function Block Diagram, Structured Text, Sequential Function Chart, and Instruction List - Power supply sizing, field wiring, sourcing and sinking configurations, and panel design - Analog signal processing, PID control, HMI and SCADA integration, and industrial communication networks - Motion control, high-speed counting, troubleshooting, fault diagnosis, and system reliability - Functional safety concepts, safety procedures, and relevant standards and regulations - PLC project development from requirements and hardware selection through programming, testing, commissioning, and maintenance - Worked examples, calculations, practice problems, and answer explanations to reinforce understanding>The goal is not simply to show you what to program, but to help you understand why the control system behaves the way it does-from the PLC scan cycle and I/O signal flow to programming structure, safety, troubleshooting, and commissioning. Use this book as a learning resource or practical reference as you build your understanding of programmable controllers and industrial automation.…

Taschenbuch. Condición: Neu. Neuware.

Paperback. Condición: new. Paperback. "528 Hz can repair your DNA." "Binaural beats cured my insomnia." "7.83 Hz grounds me when I'm anxious."You've seen the claims. Millions are listening to strange humming tones, swearing they've found relief from anxiety, sleep problems, and stress. But here's the truth: half of it is scientifically validated. The other half is complete speculation.The frequency healing landscape is chaos. Legitimate research buried under pseudoscience. YouTube videos with hundreds of millions of views promoting "miracle frequencies" with zero evidence. Meanwhile, peer-reviewed studies showing real brainwave changes get ignored. Apps make bold claims without sources. Testimonials could be placebo, confirmation bias, or genuine results-and no one can tell the difference.You're right to be skeptical. You're also right to be curious.This book cuts through the noise. You'll discover which frequency applications have solid research (brainwave entrainment for sleep and anxiety), which are theoretically plausible but unproven (Solfeggio frequencies), and which are dangerous pseudoscience (Rife frequencies for treating cancer).Inside, you'll gain: - The science that works: Understand brainwave entrainment-where specific frequencies demonstrably shift neural activity. Learn which reduce anxiety 15-20% in controlled studies and improve sleep measurably.- Practical protocols: Step-by-step frequency prescriptions for sleep, anxiety, focus, and stress. No expensive equipment-just smartphone and headphones.- Critical thinking: Recognize scams, avoid dangerous practices, and distinguish real effects from placebo. Learn red flags signaling pseudoscience versus legitimate application.- The Solfeggio truth: Actual history of these popular frequencies (not what marketing claims), limited research that exists, and how to use them intelligently.- Binaural beats mastered: Use delta, theta, alpha, beta, and gamma frequencies to influence mental states reliably.- Personalized experimentation: Build sustainable practices. Learn what to track, measure changes systematically, and adjust based on honest assessment.What makes this different?Unlike guides promoting everything uncritically or dismissing it all, this book tells the truth: frequency healing has genuine potential for stress reduction, sleep support, and focus enhancement. It also has serious limitations, unknowns, and marketing nonsense.You get clear neuroscience without jargon. Practical tools with free resources. Critical thinking skills to evaluate new claims.The real question: "Does it work for YOU?"Individual response varies. Some experience immediate shifts. Others notice subtle changes after weeks. Some feel nothing. This book helps you discover your response patterns through systematic experimentation.Stop wasting time on unproven protocols. Stop dismissing practices that could help. Start making informed decisions based on evidence, not hype.Whether dealing with anxiety, sleep issues, or optimizing performance, this book provides knowledge and tools to explore frequency healing intelligently.Scroll up and click "Buy Now" to discover which frequencies actually work-and which ones are just noise. This item is printed on demand. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.…

Paperback. Condición: New.

PAP. Condición: New. New Book. Shipped from UK. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.

PAP. Condición: New. New Book. Delivered from our UK warehouse in 4 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.

PAP. Condición: New. New Book. Delivered from our UK warehouse in 4 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.

Paperback. Condición: new. Paperback. Dimensional inspection is not a single skill. It is a discipline spanning mechanical engineering, applied mathematics, materials science, and quality management. Most practitioners spend years assembling this knowledge from disconnected sources - and the gaps surface at the worst moments. Coordinate measuring machines are among the most capable - and the most frequently misapplied - instruments in modern manufacturing. Practitioners who inherit a CMM with minimal formal training face a persistent gap: able to operate the equipment but unable to confidently qualify a probe, construct an uncertainty budget, align a complex workpiece, or defend a measurement result when challenged by an auditor or a customer. Without a structured, unified foundation, confident-looking output can carry significant unquantified risk. The field has no shortage of standards documents, equipment manuals, and specialist papers - but no single resource that holds the full discipline together. This handbook brings these subjects together in a single structured reference. It delivers a comprehensive, step-by-step path through the complete discipline of dimensional inspection - combining clear theoretical foundations with detailed, worked instruction across every core area of coordinate measurement, in fifteen structured chapters with worked examples and practice problems throughout. In this book, you will learn how to: Calculate, validate, and report expanded measurement uncertainty with full metrological traceability, using structured uncertainty budget methods and worked propagation examples that connect directly to real inspection scenarios Qualify probes and stylus configurations correctly for every part geometry and access requirement, and understand the mechanical basis of probe qualification error and how it enters the measurement result Align parts using 3-2-1 datum schemes and CAD-based best-fit methods, and understand how alignment errors propagate into reported feature measurements Interpret and verify all major geometric tolerances - position, flatness, perpendicularity, cylindricity, profile, and runout - directly from CMM output, with worked examples referenced to current international standards Develop structured CMM part programmes with efficient probe paths, subroutine logic, and offline programming workflows using the industry-standard DMIS programming protocol Apply scanning techniques and sensor fusion strategies for high-density surface measurement, complex geometry inspection, and multi-sensor integration Integrate CMM measurement data into statistical process control systems, automated quality management workflows, and digitally connected manufacturing environments This handbook is written for quality engineers, metrologists, manufacturing engineers, process engineers, inspection technicians, calibration specialists, and engineering students requiring a thorough, practical, and professionally structured reference for coordinate measurement. It also serves technical instructors and researchers working in dimensional metrology and manufacturing quality. From equipment selection to measurement reporting, this handbook provides the complete, structured foundation that serious practitioners of coordinate measurement require. Open the book and begin building the knowledge that every stage of the inspection process demands. This item is printed on demand. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.…

PAP. Condición: New. New Book. Shipped from UK. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.

Condición: New. Print on Demand.

PAP. Condición: New. New Book. Delivered from our UK warehouse in 4 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.

PAP. Condición: New. New Book. Shipped from UK. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.

PAP. Condición: New. New Book. Delivered from our UK warehouse in 4 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.