Grounding and shielding techniques pdf - Trivedi1 1 FunctionalMaterials Division, Central Electrochemical Research Institute, Karaikudi, Tamil Nadu 630 006, India 2 Department of Chemistry, Gandhigram Rural University, Gandhigram, Dindigul, Tamil.

 
Ralph Morrison. . Grounding and shielding techniques pdf

During a ground fault zero-sequence current flows into the system at the source and returns to the earth at the point where the system has faulted to ground. Experimental Techniques for Low-Temperature Measurements The rather specialized field of solar and. The effect of an overall shield consisting of longitudinally formed plastic coated 0. Jan 21, 2021 &183; Canadian Electrical Code Part I 2021 25th edition CSA C22. Material has. Grounding and shielding techniques inproceedingsMorrison1968GroundingAS, titleGrounding and shielding techniques, authorRalph Morrison, year1968 R. Not all electronic equipment needs to be connected to earth to work, satellites are an example. Grounding and shielding of the Pixel detector. The reason for a PDF file not to open on a computer can either be a problem with the PDF file itself, an issue with password protection or non-compliance with industry standards. During a ground fault zero-sequence current flows into the system at the source and returns to the earth at the point where the system has faulted to ground. Lays the ground rules for safety then explains how to attack and solve problems in grounding and shielding via a field theoretic approach rather than a circuit approach. Journal of Electrical and Electronic Engineering (JEEE) , a peer-reviewed open access journal published bimonthly in English-language, aims to foster a wider academic interest in electrical and electronics engineering, including its. The fifth edition of Grounding and Shielding has been revised throughout. 69 3. Experimental Techniques for Low-Temperature Measurements The rather specialized field of solar and. MIL-HDBK-419, 1982 Grounding, Bonding, and Shielding for Electronic Equipments and Facilities. The text covers power distribution in facilities, mixing of analog and digital circuitry, circuit board layout at high clock rates, and meeting radiation and susceptibility standards. Shielding deals almost exclusively with radiated energies. Part 1 describes the reasons we ground and specifications for ground resistance. 69 1 MHz 335 369 369 100 kHz 175 116 116 10 kHz 172 33. Even where it is hoped to avoid shielding. 42 A. In existing NWS facilities, it may not be feasible to implement the techniques used to install an. The plate body defines a through hole and a plurality of shielding holes. A little bit hard to read. Demoulin B. A step-by-step guide to solving noise and interference problems in the digital age. Apply various economical mitigation techniques to insure the safe performance of the grounding design. This configuration is shown in figure 2. A three-dimensional computational fluid dynamics model of a tunnel subjected to detonation for a hemispherical charge with a charge weight of 555 kg and a standoff distance of 7. Read Online Grounding And Shielding Techniques 4th Edition Ieee. Subsequently, single-point grounding of the adjacent control cable shield will ensure efficient protection of the control cable's central cores from pulse noise arising on the. High frequency measurement and noise in electronic circuits, by D. ground wherever possible and check the connection between the ground point and the equipment. Download File PDF Grounding And Shielding Techniques 4th Edition Ieee application examples interconnect and memory organization in SoCs for advanced set-top boxes and TV, and a case study in NoC platform design for more generic applications. However, the most important element is operator safety. 5 11. 11 IEC TR 61000 -4-32 Testing and measurement techniques High-altitude electromagnetic pulse (HEMP) simulator compendium. A must for instrumentation applications where low-level analog signals are involved. Applies basic field behavior in circuit design and demonstrates how it relates to grounding and shielding requirements and techniques in circuit design This book connects the fundamentals of electromagnetic theory to the problems of interference in. Grounding and ShieldingFloating SourcesUngrounded sources occur in instrumentation as a requirement for safety or performance. Session 5 Noise Reduction Techniques Filtering and shielding Reducing mutual inductance Session 6 Filtering Conducted Noise< CM and DM filter techniques Improving circuit balance 1 GHZ filtering techniques DC power bus . File Type PDF Grounding And Shielding Techniques 4th Edition Ieee Grounding And Shielding Techniques 4th Edition Ieee A practical new approach that brings together circuit theory and field theory for the practicing engineer To put it frankly, the traditional education. Grounding and shielding techniques pdf. This shield should be connected at the controller end only. 6 m was established, based on a mesh sensitivity study to obtain an optimal element size. 0471838055 9780471838050. Techniques used for Unequally Spaced Grounding Grid Design. Trivedi1 1 FunctionalMaterials Division, Central Electrochemical Research Institute, Karaikudi, Tamil Nadu 630 006, India 2 Department of Chemistry, Gandhigram Rural University, Gandhigram, Dindigul, Tamil. The shield should be connected at the controller end only. Member, Audio Engineering Society So Many Myths Look for MYTH alerts Topic has BLACK ART reputation. Please click button to get grounding and shielding techniques in instrumentation book now. Any currents induced into the shield modulate the ground where the shield is terminated. From a personnel safety point of view, properly grounded system components minimize potential differences that may exist between various system components under transient and fault conditions. Le Titre Du Livre Grounding and Shielding Techniques (Wiley - IEEE) (English Edition) Taille du fichier 62. However, the most important element is operator safety. The fifth edition of Grounding and Shielding has been revised throughout. or more of metal water pipe is in contact with the earth. 83 Frequency 0. As described in 1 2 and 3, proper grounding techniques are . MIL-HDBK-419A 29 DECEMBER 1987 SUPERSEDING MIL-HDBK419 21 JANUARY 1982 MILITARY HANDBOOK GROUNDING, BONDING, AND SHIELDING FOR ELECTRONIC EQUIPMENTS AND FACILITIES VOLUME 1 OF 2. Feb 5, 2018 Abstract. Grounding and shielding techniques pdf. Demoulin B. Experimental Techniques for Low-Temperature Measurements The rather specialized field of solar and. The ideal shield would be a continuous conductive box of sufficient thickness, with no openings. Of course, there must be a safety ground so that no one is injured if there is a transformer failure. All signals are either optical or transformer isolated. EZ32A Telescopic Antenna Mast Heavy Duty Base Plate - 23. 10 IEC 61000 -4-25 Testing and measurement techniques HEMP immunity test methods for equipment and systems. Home &187; Uncategories &187; Grounding and Shielding Techniques in Instrumentation (3rd Edition) Online PDF eBook Monday, November 6, 2017 Grounding and Shielding Techniques in Instrumentation (3rd Edition) Online PDF eBook. Grounding and shielding techniques in instrumentation. The presence of a ground plane redirects one-half of the radiation into the opposite direction, improving the antenna gain by 3 dB, and partially shielding objects on the other side. 9 1 kHz 172 17. Both techniques are shown in D-1d. 10 sept. Lays the ground rules for safety then explains how to attack and solve problems in grounding and shielding via a field theoretic approach rather than a circuit approach. Shea Schneider-Electric Abstract First Page of the. Techniques used for Unequally Spaced Grounding Grid Design. Libraries near you WorldCat. 605 Third Ave. October 1998; IEEE Electrical Insulation. Provides background theory and describes various hardware and equipment, all key areas in grounding and shielding, ESD, screened rooms and topics in field coupling. The author examines the grounding and shielding requirements and techniques in circuit design and applies basic physics to circuit behavior. File Type PDF Grounding And Shielding Techniques 4th Edition Ieee Grounding And Shielding Techniques 4th Edition Ieee A practical new approach that brings together circuit theory and field theory for the practicing engineer To put it frankly, the traditional education. Title Shielding and Guarding How to Exclude Interference-Type Noise Application Note (AN-347) Author Analog Devices, Inc. Make sure the connector offers shielding effectiveness equal to that of the cable. Ralph Morrison. William L. However, the most important element is operator safety. 121 9781488322549, 1488322554, 9781488322556 Ontario, Canada All. The ideal shield would be a continuous conductive box of sufficient thickness, with no openings. Even where it is hoped to avoid shielding. Mar 1, 2014 The ideal shield would be a continuous conductive box of sufficient thickness, with no openings. Libraries near you WorldCat. The requirements of controlling the electromagnetic leakage and interference are satisfied by using this way. Journal of Electrical and Electronic Engineering (JEEE) , a peer-reviewed open access journal published bimonthly in English-language, aims to foster a wider academic interest in electrical and electronics engineering, including its. Very good reference. The ideal shield would be a continuous conductive box of sufficient thickness, with no openings. Libraries near you WorldCat. Practical Grounding Bonding Shielding and Surge Protection - This book will allow you to gain practical skills and know-how in grounding bonding lightning surge protection F (EAN9780080480183) bei che-chandler. Most engineers view earthing mainly as a method to protect equipment from damage or malfunction. Importance Of Grounding Techniques 0 5 10 15 20 25 30 35 40 45 Percent Used Grounding 42 Case Shield 22 Cable Shielding 18 Filtering 12 PCB Layout 6 Grounding 42 Case 22 Cable 18 PCB 6 Filter 12. During a ground fault zero-sequence current flows into the system at the source and returns to the earth at the point where the system has faulted to ground. All conductors have a finite impedance, generally consisting of both resistance and inductance. GROUNDING AND SHIELDING TECHNIQUES, 4TH EDITION by Ralph Morrison John Wiley & Sons, Inc. The inner shield is connected to circuit ground and the outer shield is . 1 Types of Grounds, 2l. Grounding tests are performed to know the influence of spheres of influences. The purpose of this format is to ensure document presentation that is independent of hardware, operating systems or application software. shield conductors used for RF current bypass, and. 2 1. result we indicate that shielding effect should be taken into account when analyzing the. October 1998; IEEE Electrical Insulation. The coupling is a system. Session 5 Noise Reduction Techniques Filtering and shielding Reducing mutual inductance Session 6 Filtering Conducted Noise< CM and DM filter techniques Improving circuit balance 1 GHZ filtering techniques DC power bus . Download File PDF Grounding And Shielding Techniques 4th Edition Ieee application examples interconnect and memory organization in SoCs for advanced set-top boxes and TV, and a case study in NoC platform design for more generic applications. Two grounds create a shield gradient of potential. However, the most important element is operator safety. in English - 3rd ed. Adequate grounding of the instrument must be provided by all AC receptacles. in English - 3rd ed. 3 LF magnetic shielding 43 4. There are three main system grounding methods Single-Point Grounding Either Series or Parallel Best for frequencies below 1 MHz Has the largest amount of ground loop currents Multi-point Grounding Preferred for frequencies above 1 MHz. SHIELDING technique of placing electronic systems in a metal casing. In these cases, the alternative methods . Grounding a cable shield is a misnomer; cable shields should be bonded to the enclosures their cables arefastened to. There are many creative ways you can achieve a deeply grounded, centered and shielded state of being at the beginning of your spiritual practice sessions. Smith, Van Nostrand Reinhold, 1993. capacitance, shielding and the capacitive effects of the windings. it Search table of content Part 1 Part 2 Part 3 Part 4 Part 5 Part 6 Part 7 Part 8 Part 9. What is Grounding Grounding is a set of simple strategies that can help you detach from emotional pain (e. Equipment grounding is required for both personnel safety and power systems protection. 69 1 MHz 335 369 369 100 kHz 175 116 116 10 kHz 172 33. 11 IEC TR 61000 -4-32 Testing and measurement techniques High-altitude electromagnetic pulse (HEMP) simulator compendium. com T Ntherlands Past Ccxstraa 2 RH T Fa 2 trial 2 Exergen lobal offices TECH NOTE 82 TN-082-1-EN GROUNDING AND SHIELDING FOR. Grounding and Shielding Techniques, Fourth Edition is entirely rewritten to reflect these new challenges. Minimizes loop currents and ground impedance of planes. Made in the USA is designed to support and facilitate grounding for ROHN H20, H30, H40, H50 and Channel Master 1620, 1630, 1640, 1650, 1820, 1830, 1840, 1850 Telescopic (Push-up) Antenna Masts. , anxiety, anger, sadness, self-harm). A John Wiley & Sons, Inc. 15 fv. ej Best overall; yb Best for beginners building a professional blog. Libraries near you WorldCat. Good reference. Grounding-1 Grounding & Shielding Audio Devices Pin 1 Problem Balanced vs. Techniques used for Unequally Spaced Grounding Grid Design. Chapter 2 Grounding & Shielding Safety, system protection and performance are the three main reasons to earth a system. All units are in SI. Grounding and Shielding Circuits and Interference by Ralph Morrison PDF, ePub eBook D0wnl0ad Applies basic field behavior in circuit design and demonstrates how it relates to grounding and shielding requirements and techniques in circuit design. Google Scholar Cellozzi, S. It can. Grounding and shielding techniques inproceedingsMorrison1968GroundingAS, titleGrounding and shielding techniques, authorRalph Morrison, year1968 R. Libraries near you WorldCat. 121 9781488322549, 1488322554, 9781488322556 Ontario, Canada All. Both techniques are shown in D-1d. Grounding & Shielding 52 conductors to supplement grounded metal raceway and conduit. Most engineers view earthing mainly as a method to protect equipment from damage or malfunction. Sometimes wrong grounding configurations, oriented to satisfy the special power and performance requirements of. shows harness routing, cable shielding, shield grounding, interface circuitry, cable twisting for equally treated groups of wires as they enter or leave a . 5 36. Grounding The Grounds for EMC Design 14 Path of Least Impedance Principle Electrical Energy and Electrical Potential In order to bring two like charges near each other or to separate two opposite charges work must be done Whenever work gets done, energy changes form. File Type PDF Grounding And Shielding Techniques 4th Edition Ieee Grounding And Shielding Techniques 4th Edition Ieee A practical new approach that brings together circuit theory and field theory for the practicing engineer To put it frankly, the traditional education. Dig your heels into the floor-literally grounding them. Geetha,1 K. 6 60 Hz 172 17. In the following discussion of grounding techniques, two key points should be kept in mind 1. Dec 12, 2022 Grounding and shielding techniques in instrumentation. FAA-RD-75-2l5, "Grounding, Bonding, and Shielding Practices and Procedures for Electronic Facilities and Equipments" (subse&173; quently referred to herein as GBS Practices and Procedures). Grounding, centering and shielding is like having your sailboat firmly anchored on the open sea, while you are scuba diving nearby to explore the unknown depths of the ocean. A must have for anyone designing electronic . There are three main system grounding methods Single-Point Grounding Either Series or Parallel Best for frequencies below 1 MHz Has the largest amount of ground loop currents Multi-point Grounding Preferred for frequencies above 1 MHz. Apply various economical mitigation techniques to insure the safe performance of the grounding design. WBDG WBDG - Whole Building Design Guide. 69 3. Even where it is hoped to avoid shielding. down into grounding, shielding and surge protection for both power and electronics systems. However below, later you visit this web page, it will be for that reason denitely simple to get as competently as download lead grounding and shielding techniques in instrumentation pdf. 5 11. Part 1 describes the reasons we ground and specifications for ground resistance. Nov 13, 2018 Good grounding practices - Part 2. Feb 5, 2018 (PDF) Electrical Earthing (Grounding) Systems - A technical report and a short course Electrical Earthing (Grounding) Systems - A technical report and a short course February 2018 Authors. Some of the basic techniques in electromagnetic interference reduction are those of bonding, grounding, and shielding. in English - 3rd ed. The research resulted in the basic science behind grounding. Shielding deals almost exclusively with radiated energies. 16 Measurements and Techniques. 69 1 MHz 335 369 369 100 kHz 175 116 116 10 kHz 172 33. 69 3. INTRODUCTION The most common transmission line faults involve a single-phase faulting to ground, often due to an insulator flashover. Literature Library Rockwell Automation. of Space Physics 2005 Lennart &197;hl&233;n 1 Grounding Ground sink for electrical charge Grounding Connecting return conductors of. It can be a stand-alone solution, but is more cost-effective when combined with other suppression techniques such as filtering, grounding, and proper design to minimize the loop area. Interference, once characterised, is modelled as an additional signal source, or even as an extra noise contribution. 69 3. A little bit hard to read. (PDF) Grounding and Shielding Techniques, 4th Edition Grounding and Shielding Techniques, 4th Edition Source IEEE Xplore Authors J. Grounding the shield at both ends attenuates the coupling to the shielded wires by approximately the ratio of load current to shield current, SA IloadIshield ZTl2Zload, where ZT is the shield transfer impedance, l is the length, and Zload is the load resistance of both loads. electromagnetic and radio frequency shield enveloping the electronic. William L. However, the most important element is operator safety. Mar 1, 2014 The ideal shield would be a continuous conductive box of sufficient thickness, with no openings. 60 MB Nom de Fichier Grounding and Shielding Techniques (Wiley -. Grounding and shielding techniques in instrumentation morrison pdf Download grounding and shielding techniques in instrumentation or read online here in PDF or EPUB. 60 MB Nom de Fichier Grounding and Shielding Techniques (Wiley -. WBDG WBDG - Whole Building Design Guide. Make sure the connector offers shielding effectiveness equal to that of the cable. ground wherever possible and check the connection between the ground point and the equipment. Adequate grounding of the instrument must be provided by all AC receptacles. Often, the proper techniques are employed without a full understanding of the rationale behind the techniques, and often the theory is understood but imperfectly put into practice. The first is shielding the fourmotor wires. We work hard to protect your security and privacy. Shielding Effectiveness (SE) is the ratio of the RF energy on one side of the shield to the RF energy on the other side of the shield expressed in decibels (dB). INTRODUCTION The most common transmission line faults involve a single-phase faulting to ground, often due to an insulator flashover. flexible sex, random anime character wheel

42 A. . Grounding and shielding techniques pdf

3 In the usual clinical setting, electrical shielding of the patient and equipment is not necessary, and such shielding need not be installed unless proven necessary. . Grounding and shielding techniques pdf craigslist spokane boats

0471838055 9780471838050. grounding configurations will be presented. Cable shielding and ground loops must be disassociated. Title Shielding and Guarding How to Exclude Interference-Type Noise Application Note (AN-347) Author Analog Devices, Inc. Equipment ground must surround all open power. WBDG WBDG - Whole Building Design Guide. Grounding the shield at both ends attenuates the coupling to the shielded wires by approximately the ratio of load current to shield current, SA IloadIshield ZTl2Zload, where ZT is the shield transfer impedance, l is the length, and Zload is the load resistance of both loads. Lead Lengths must be kept extremely short. of Space Physics 2005 Lennart hln 1 Grounding Ground sink for. capacitance, shielding and the capacitive effects of the windings. Figure 1. Shielding deals almost exclusively with radiated energies. PDF Download Grounding and Shielding Techniques in Instrumentation (3rd Edition), by Ralph Morrison Reading guide Grounding And Shielding Techniques In Instrumentation (3rd Edition), By Ralph Morrison by on-line can be also done conveniently every where you are. by Domingo Ricardo Giorsetti Lieutenant Commander, Argentine Navy B. ground wherever possible and check the connection between the ground point and the equipment. 6 60 Hz 172 17. Smith, Van Nostrand Reinhold, 1993. 25 jui. grounding configurations will be presented. Not in Library. The grounding design of the detector constitutes the first of several steps to be followed for the detector integration under a electromagnetic compatibility plan. Grounds for Grounding A Circuit to System Handbook - Amazon. 247 Pages200412. 3 - 3 Ground Systems Grounding concepts take more time to understand than any other EMI concept because,. into the shield modulate the ground where the shield is tronics. Libraries near you WorldCat. Electromagnetic Shielding for Lines, Conductors and Cables. Shielded grounding This is used to prevent static electricity from being . 60 MB Nom de Fichier Grounding and Shielding Techniques (Wiley -. The text covers power distribution in facilities, mixing of analog and digital circuitry,. GROUNDING AND SHIELDING TECHNIQUES, 4TH EDITION by Ralph Morrison John Wiley & Sons, Inc. Barnes, Electronic System Design and Noise Control Techniques, Prentice Hall. Grounding and shielding techniques in instrumentation morrison pdf Download grounding and shielding techniques in instrumentation or read online here in PDF or EPUB. 7 nov. Many recent developments in measurement techniques, superconductors, and scaling theory not previously published are covered. Not all electronic equipment needs to be connected to earth to work, satellites are an example. Grounding & Shielding. GROUNDING AND SHIELDING TECHNIQUES, 4TH EDITION by Ralph Morrison John Wiley & Sons, Inc. Facilities Instructions, Standards, and Techniques. May 11, 2015 &183; 3. or more of metal water pipe is in contact with the earth. its shield and ground connections. Grounding and shielding techniques inproceedingsMorrison1968GroundingAS, titleGrounding and shielding techniques, authorRalph Morrison, year1968 R. The purpose of this format is to ensure document presentation that is independent of hardware, operating systems or application software. 11 IEC TR 61000 -4-32 Testing and measurement techniques High-altitude electromagnetic pulse (HEMP) simulator compendium. Grounding and Shielding Circuits and Interference, 6th Edition (IEEE Press) 83. Grounding and shielding techniques pdf. Eliminating noise depends on a low resistance path to ground. Comment 1. MIL-HDBK-419A 29 DECEMBER 1987 SUPERSEDING MIL-HDBK419 21 JANUARY 1982 MILITARY HANDBOOK GROUNDING, BONDING, AND SHIELDING FOR ELECTRONIC EQUIPMENTS AND FACILITIES VOLUME 1 OF 2. Applies basic field behavior in circuit design anddemonstrates how it relates togrounding and shielding requirements and techniques in circuit design This book connects the fundamentals of electromagnetic theory to the problems of interference in all types of electronic design. View Mod7- Grounding and shielding. Most engineers view earthing mainly as a method to protect equipment from damage or malfunction. Grounding and shielding techniques in instrumentation, by Ralph Morrison, John Wiley & Sons, 1986. Grounding and Shielding Circuits and Interference, 6th Edition Wiley Wiley Individuals Shop Books Search By Subject Browse Textbooks Courseware WileyPLUS Knewton Alta zyBooks Test Prep (View All) CPA Review Courses CFA Program Courses CMA Exam Courses CMT Review Courses Brands And Imprints (View All) Dummies JK Lasser Jossey Bass. Apply various economical mitigation techniques to insure the safe performance of the grounding design. Selecting the appropriate cable and d evoting effort to. 1 Introduction 40 4. A model of the PWM technique is illustrated in the next column by way of an electronic simulation program. A little bit hard to read. Grounding and shielding techniques Full Record Other Related Research. Download File PDF Grounding And Shielding Techniques 4th Edition Ieee application examples interconnect PDF Grounding And Shielding Techniques 4th Edition Ieee application. Applies basic field behavior in circuit design and demonstrates how it relates to grounding and shielding requirements and techniques in circuit design This book connects the fundamentals of electromagnetic theory to the problems of interference in. ej Best overall; yb Best for beginners building a professional blog. Title Shielding and Guarding How to Exclude Interference-Type Noise Application Note (AN-347) Author Analog Devices, Inc. 69 3. Not all electronic equipment needs to be connected to earth to work, satellites are an example. Applies basic field behavior in circuit design and demonstrates how it relates to grounding and shielding requirements and techniques in circuit design This book connects the fundamentals of electromagnetic theory to the problems of interference in. Grab tightly onto your chair as hard as you can. High frequency measurement and noise in electronic circuits, by D. Of course, there must be a safety ground so that no one is injured if there is a transformer failure. Equipment grounding is required for both personnel safety and power systems protection. Of course, there must be a safety ground so that no one is injured if there is a transformer failure. Grounding and shielding techniques in instrumentation. 2 1. The fifth edition of Grounding and Shielding has been revised throughout. Make sure the connector offers shielding effectiveness equal to that of the cable. The "Pin 1" Problem. The author examines the grounding and shielding requirements and techniques in circuit design and applies basic physics to circuit behavior. Experimental Techniques for Low-Temperature Measurements The rather specialized field of solar and. Minimizes loop currents and ground impedance of planes. The purpose of this format is to ensure document presentation that is independent of hardware, operating systems or application software. com 1 42001 Grounding and Shielding This article was written for CALEX by. grounding configurations will be presented. Proper grounding and bonding techniques and practices must be . Grounding & Shielding 52 conductors to supplement grounded metal raceway and conduit. The automotive electrical system is powered by an alternator connected in parallel with the storage . Make sure the connector offers shielding effectiveness equal to that of the cable. ground wherever possible and check the connection between the ground point and the equipment. Most engineers view earthing mainly as a method to protect equipment from damage or malfunction. Grounding and Shielding Circuits and Interference by Ralph Morrison Hardcover 81. Created Date 0000-01-01. Even where it is hoped to avoid shielding. it Views 27406 Published 0. 2 1. Material has. Morrison; Published 1968; Physics; Electrostatics. The purpose of this format is to ensure document presentation that is independent of hardware, operating systems or application software. 3 In the usual clinical setting, electrical shielding of the patient and equipment is not necessary, and such shielding need not be installed unless proven necessary. Download File PDF Grounding And Shielding Techniques 4th Edition Ieee application examples interconnect and memory organization in SoCs for advanced set-top boxes and TV, and a case study in NoC platform design for more generic applications. grounding configurations will be presented. . westville correctional facility condemned