FDNY Certificate of Fitness Study Material - B-28/W-28 Energy Storage Systems (ESS) - Study Material

Oct 4, 2026

Uploaded by Hazel

FDNY City of New York Certificate of Fitness study material for B-28 Supervision of Stationary Energy Storage Systems (ESS) and W-28 Supervision of Mobile Energy Storage Systems (ESS) (Citywide) explains how applicants should apply online and prepare for the exam. It includes exam-specific guidance, rules and fire code references (including Section 608 and 3 RCNY 608-01), key definitions, and study chapters covering case studies, ESS technologies, benefits and hazards, size thresholds, and permits, roles, and responsibilities for owners, operators, and certificate holders.

LanguageEnglish

CategoryExam

FormatPDF

Pages141

Reading Time5 h 55 min

AccessFree to download

EXAM SPECIFIC INFORMATION FOR B-28/W-28 CERTIFICATE OF FITNESS

STUDY MATERIAL AND TEST DESCRIPTION

INTRODUCTION

PURPOSES AND DEFINITIONS

PURPOSE OF FIRE CODE Section 608

PURPOSE OF RULE 3 RCNY 608-01

PURPOSE OF THE STUDY MATERIAL

DEFINITIONS

CHAPTER 1. CASE STUDIES

CHAPTER 2. STATIONARY ENERGY STORAGE SYSTEMS

Five Types of Energy Storage Technologies

Multiple Layers of Stationary Energy Storage Systems

Benefits and Hazards of Battery Energy Storage Systems

Battery Systems Size Thresholds

Multiple Battery Systems

Mobile Energy Storage Systems

CHAPTER 3. PERMITS, ROLES AND RESPONSIBILITIES

Permits

Obligations of Owner and Operator

General Duties of Certificate of Fitness Holder

FIRE DEPARTMENT ● CITY OF NEW YORK CERTIFICATE OF FITNESS STUDY MATERIAL FOR B-28 Supervision of Stationary Energy Storage Systems (ESS) W-28 Supervision of Mobile Energy Storage Systems (ESS) (Citywide) All applicants are required to apply and pay for an exam online before arriving at the FDNY. It can take about 30 minutes to complete. Simplified instructions for online application and payment can be found here: [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 Create an Account and Log in to: [http://fires.fdnycloud.org/CitizenAccess](http://fires.fdnycloud.org/CitizenAccess) This book is provided to the public for free by the FDNY. TO HELP YOU UNDERSTAND WHICH CERTIFICATE OF FITNESS YOU SHOULD APPLY FOR, PLEASE NOTE THE FOLLOWING: ALSO INCLUDED IN THIS BOOKLET YOU WILL FIND THE FOLLOWING: NOTICE OF EXAMINATION (NOE) ATTENTION: The material presented in this booklet is highly comprehensive; it provides information for applicants taking the above Certificate of Fitness examination. As the scope of Energy Storage Systems is highly technical, FDNY recommends that applicants devote sufficient amount of time and effort in preparation before taking the B-28/W-28 Certificate of Fitness examination. Study Material and booklets are not allowed to be used during the exam. If required for exam, Reference Material will be provided to you by Exam room personnel. Exam computer station will also prompt if reference material is required for your exam. © 1/2020 1st edition; 6/2022 2nd edition New York City Fire Department-All rights reserved ® Contents EXAM SPECIFIC INFORMATION FOR B-28/W-28 CERTIFICATE OF FITNESS.......................... 8 STUDY MATERIAL AND TEST DESCRIPTION.................................................................................................... 16 INTRODUCTION ................................................................................................................................................... 18 PURPOSE OF FIRE CODE Section 608.......................................................................................................... 19 PURPOSE OF RULE 3 RCNY 608-01 ............................................................................................................ 19 PURPOSE OF THE STUDY MATERIAL ...................................................................................................... 19 DEFINITIONS ....................................................................................................................................................... 20 CHAPTER 1. CASE STUDIES .......................................................................................................................... 27 CHAPTER 2. STATIONARY ENERGY STORAGE SYSTEMS .......................................................................... 34 2.1 Five Types of Energy Storage Technologies ........................................................................................ 35 2.1.1 Lithium-ion (Li-ion) batteries ...................................................................................................... 36 2.1.2 Lithium Metal Polymer batteries................................................................................................... 37 2.1.3 Flow batteries ................................................................................................................................ 37 2.1.4 Nickel cadmium batteries .............................................................................................................. 37 2.1.5 Nickel metal hydride (Ni-MH) batteries ....................................................................................... 38 2.1.6 Lead acid batteries .................................................................................................................

FAQs

How do applicants apply for the FDNY B-28/W-28 exam?

Applicants must apply and pay for the exam online before arriving at the FDNY. The online process typically takes about 30 minutes.

Are study materials allowed during the exam?

Study material and booklets are not allowed during the exam. If reference material is needed, it is provided by exam room personnel and the exam computer station will prompt for it.

What topics are covered in Chapter 2 for energy storage systems?

Chapter 2 covers stationary energy storage systems, including major battery technology types, multiple layers, benefits and hazards, size thresholds for outdoor/rooftop systems, multiple battery systems, and mobile energy storage systems.

Oct 4, 2026

Uploaded by Hazel