Marcus Hartwell (98 results)

Paperback. Condition: New.

Paperback. Condition: New.

Condition: New.

Condition: As New. Unread book in perfect condition.

Paperback. Condition: 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.…

Condition: New.

Taschenbuch. Condition: Neu. Neuware.

Paperback. Condition: 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.…

Condition: As New. Unread book in perfect condition.

Paperback. Condition: New.

Taschenbuch. Condition: Neu. Neuware.

Taschenbuch. Condition: Neu. Neuware.

Taschenbuch. Condition: Neu. Neuware.

Taschenbuch. Condition: 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. Condition: Neu. Neuware.

Taschenbuch. Condition: 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. Condition: Neu. Neuware - Reliable process control depends on more than knowing how an instrument works. It requires understanding how measurements, signals, controllers, and final control elements work together-and knowing how to identify problems when a system fails to perform as expected. This book brings these essential principles together in a practical manual for instrumentation technicians, engineers, engineering students, and industrial maintenance professionals. It connects the fundamentals of measurement and control with the procedures and calculations used in real industrial applications. Inside, you will learn about: - Pressure, temperature, flow, level, and analytical measurement instruments.- Transmitter calibration, signal conditioning, 4-20 mA loops, and HART communication.- Piping and Instrumentation Diagrams (P&IDs) and instrumentation identification symbols.- Control valves, PID tuning, and advanced control strategies.- PLC and DCS architectures used in industrial automation.- Safety instrumented systems, safety integrity levels, and hazardous-area principles.>Rather than presenting formulas without explanation, the book develops key calculations step by step, defines variables, and identifies units. Worked examples and chapter-end practice problems with solutions help you check your understanding and strengthen your ability to apply the concepts. Whether you are developing your technical knowledge, preparing for instrumentation work, or looking for a manual to support everyday maintenance and troubleshooting, this book provides a structured way to connect theory with industrial practice.…

Taschenbuch. Condition: Neu. Neuware.

Taschenbuch. Condition: Neu. Neuware.

Taschenbuch. Condition: Neu. Neuware - What would change on your line if every adjustment came with a number you could check before you made it >This handbook turns the everyday decisions of extrusion into calculations you can carry out at the line. Every chapter develops the working equations with their units and limits, then applies them in fully solved worked examples drawn from real production situations, finishing with a boxed answer and practice problems with an answer key so you can test yourself before you touch your own equipment. Put the methods to work on: - Sizing drying hoppers, conveying loaders, and masterbatch let-down ratios, and predicting how regrind changes bulk density and flood-fed output. - Estimating the screw speed for a rate increase, the cooling length it will need, and the thrust-bearing life at a new head pressure. - Tuning barrel-zone temperature controllers from a simple step test and sizing air or water cooling for each zone. - Setting blow-up ratio, take-up ratio, chill-roll speed, calender gap, and draw-down ratio to hit a target film, sheet, or pipe gauge. - Checking coextrusion layer stability, sizing a crosshead die for wire coating, and calculating coating weight and draw ratio. - Deciding when a screen pack needs changing, reading control charts for drift, and quantifying screw wear from energy and output data. - Running safe start-up and shutdown sequences and applying lockout/tagout, pressure protection, and arc-flash precautions. This book is for operators moving into technician roles, process and production engineers, line supervisors, and quality professionals in pipe, profile, film, sheet, compounding, and wire and cable plants. Add this practical resource to your technical shelf and start making line adjustments you can calculate, predict, and defend.…

Taschenbuch. Condition: 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. Condition: Neu. Neuware - Engineering materials make sense when you can connect structure, processing, properties, and performance-and use those connections to solve real engineering problems. This practical handbook bridges the gap between materials science theory and engineering application. Instead of presenting phase diagrams, mechanical properties, fracture, corrosion, and testing as isolated topics, it shows how they work together to determine whether a material will perform reliably in service. Across fifteen structured chapters, you'll find clearly defined equations, step-by-step worked examples, practical calculations, and practice problems with solutions. In this book, you'll learn how to: - Connect atomic bonding, crystal structure, defects, and dislocations to material behavior. - Solve diffusion and carburizing problems and evaluate strengthening mechanisms. - Interpret phase diagrams and relate heat treatment to microstructure and properties. - Understand the behavior and applications of steels, non-ferrous alloys, ceramics, polymers, and composites. - Analyze fracture, fatigue, creep, corrosion, and high-temperature degradation. - Interpret mechanical test data and understand major non-destructive evaluation methods. - Apply engineering equations with clearly stated assumptions, units, and numerical results. This book is designed for upper-level undergraduate and early graduate engineering students, as well as practicing engineers, laboratory personnel, inspectors, and quality professionals. It provides both a learning resource and a dependable technical reference. Move beyond memorizing material properties. Build the ability to calculate, interpret, and defend engineering decisions-from material structure and processing to testing and performance in service.…

Taschenbuch. Condition: Neu. Neuware - Producing refined sugar involves far more than removing impurities from raw sugar. Every stage, from raw material inspection to final drying and storage, requires careful process control, sound engineering decisions, and consistent attention to product quality. This book provides a detailed, practical manual to the major operations, equipment, calculations, and quality systems involved in industrial sugar refining. Whether you work in production, process engineering, quality control, maintenance, or technical education, this book helps connect the underlying principles with the decisions made in refinery operations. Inside this handbook, you will learn how to: - Understand the refining process from raw sugar intake to finished refined sugar. - Evaluate raw sugar quality using measurements such as Pol, Brix, moisture, ash, and ICUMSA colour. - Understand clarification, filtration, and decolorization methods used to remove impurities. - Examine evaporation and crystallization principles that influence concentration, crystal growth, and sugar recovery. - Understand centrifugal separation, drying, cooling, and storage conditions that affect finished product quality. - Apply mass and energy balance calculations to refinery operations. - Interpret process measurements and control concepts used in modern industrial plants. - Explore quality assurance, food safety practices, maintenance strategies, and troubleshooting methods. This book is written for plant operators, process engineers, quality control technicians, refinery supervisors, maintenance personnel, and students entering the sugar processing industry, this handbook serves as both a learning resource and a technical reference. If you want to build a clearer understanding of sugar refining operations and the engineering principles behind them, this book offers a structured place to begin. …

Paperback. Condition: 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. Condition: New.

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

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

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

Condition: New. Print on Demand.