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It explains how to apply and pay for the exam online, including account creation and log-in, and describes eligibility such as waiving the W-27 exam for applicants holding a B-28/W-28 COF. 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It can take about 30 minutes to complete.  \nSimplified instructions for online application and payment can be found here:  \n[http://www1.nyc.gov/assets/fdny/downloads/pdf/business/fdny-business-cof](http://www1.nyc.gov/assets/fdny/downloads/pdf/business/fdny-business-cof)individuals-short.pdf  \nCreate an Account and Log in to:  \n[http://fires.fdnycloud.org/CitizenAccess](http://fires.fdnycloud.org/CitizenAccess)  \nALSO INCLUDED IN THIS BOOKLET YOU WILL FIND THE FOLLOWING: NOTICE OF EXAMINATION (NOE  \nATTENTION  \nIf you already hold a B-28/W-28 COF, you can waive the W-27 exam and only pay the application fee to obtain a W-27 COF.  \n© 07/2022 New York City Fire Department-All rights reserved ®  \nTable of Contents  \nEXAM SPECIFIC INFORMATION FOR W-27 CERTIFICATE OF FITNESS...................................... 5  \nSTUDY MATERIAL AND TEST DESCRIPTION.................................................................................................... 13  \nINTRODUCTION ................................................................................................................................................... 15  \nPURPOSE OF FIRE CODE 608....................................................................................................................... 16  \nPURPOSE OF RULE 3 RCNY 608-01 ............................................................................................................ 16  \nPURPOSE OF THE STUDY MATERIAL ...................................................................................................... 16  \nDEFINITIONS ....................................................................................................................................................... 17  \nCHAPTER 1. CASE STUDIES.......................................................................................................................... 24  \nCHAPTER 2. HOME STATIONARY ENERGY STORAGE SYSTEMS .............................................................. 25  \n2.1 Five Types of Energy Storage Technologies ........................................................................................ 25  \n2.1.1 Lithium-ion (Li-ion) batteries ...................................................................................................... 25  \n2.1.2 Lithium Metal Polymer batteries................................................................................................... 26  \n2.1.3 Nickel cadmium batteries .............................................................................................................. 27  \n2.1.4 Nickel metal hydride (Ni-MH) batteries ....................................................................................... 27  \n2.1.5 Lead acid batteries......................................................................................................................... 28  \n2.2 Different Battery Energy Storage Systems Benefits and Hazards ........................................................ 28  \n2.2.1 Benefits of different Battery Energy Storage Systems .................................................................. 28  \n2.2.2 Hazards of different Battery Energy Storage Systems .................................................................. 29  \n2.3 Battery Systems Size Thresholds (only applies to outdoor/rooftop stationary) .................................... 31  \n2.4 Multiple Battery Systems ...................................................................................................................... 32  \nCHAPTER 3. PERMITS, ROLES AND RESPONSIBILITIES ........................................................................... 34  \n3.1 P","cbCaihKihYkP9gyQ","https://ap.wps.com/l/cbCaihKihYkP9gyQ","pdf",3453300,75,"English","# EXAM SPECIFIC INFORMATION FOR W-27 CERTIFICATE OF FITNESS\n# STUDY MATERIAL AND TEST DESCRIPTION\n# INTRODUCTION\n## PURPOSE OF FIRE CODE 608\n## PURPOSE OF RULE 3 RCNY 608-01\n## PURPOSE OF THE STUDY MATERIAL\n# DEFINITIONS\n# CHAPTER 1. CASE STUDIES\n# CHAPTER 2. HOME STATIONARY ENERGY STORAGE SYSTEMS\n## 2.1 Five Types of Energy Storage Technologies\n## 2.2 Different Battery Energy Storage Systems Benefits and Hazards\n## 2.3 Battery Systems Size Thresholds (only applies to outdoor/rooftop stationary)\n## 2.4 Multiple Battery Systems\n# CHAPTER 3. PERMITS, ROLES AND RESPONSIBILITIES\n## 3.1 Permits\n## 3.2 Obligations of Owner and Operator\n## 3.3 W-27 Certificate of Fitness Holder’s General Duties\n## 3.4 Subject Matter Experts (SMEs)\n## 3.5 ESMS/BMS monitoring facility staff\n# CHAPTER 4. GENERAL DESIGN AND INSTALLATION REQUIREMENTS\n## 4.1 Listing and Full-scale testing standards\n## 4.2 Equipment Approval (Certificate of Approval)\n## 4.3 Maximum Aggregate Rated Energy Capacity for Group R-3 Occupancies\n## 4.4 DOB and FDNY Approval\n## 4.5 Location and Construction","[{\"question\":\"How can applicants apply for the FDNY W-27 exam?\",\"answer\":\"Applicants must apply and pay for the exam online before arriving at FDNY. The booklet provides instructions to create an account and log in to the FDNY CitizenAccess portal.\"},{\"question\":\"Can someone with a B-28/W-28 COF waive the W-27 exam?\",\"answer\":\"Yes. If an applicant already holds a B-28/W-28 COF, they can waive the W-27 exam and only pay the application fee to obtain a W-27 COF.\"},{\"question\":\"What topics are included in the W-27 study material?\",\"answer\":\"The study material covers definitions and multiple chapters, including case studies; home stationary energy storage systems and battery technology types; benefits and hazards; permits and responsibilities; and general design and installation requirements for Group R-3 occupancies.\"}]","FDNY Certificate of Fitness Study Material - W-27 - Supervision of Stationary Energy Storage Systems (ESS) in Group R-3 Occupancies | PDF",1790333681,189]