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An overview of the National Incident Management System (NIMS), which is a systematic approach to managing and coordinating responses to incidents. NIMS includes characteristics such as common terminology, modular organization, and comprehensive resource management. It also covers the roles and responsibilities of various functions, including Logistics, Intelligence/Investigations, and the Incident Command. This resource is essential for senior officials, executives, and appointed personnel involved in incident management.
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G 0402 NIMS O VERVIEW FOR SENIOR O FFICIALS (E XECUTIVES, E LECTED, AND APPOINTED)
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Any incident can have a mix of political, economic, social, environmental, and cost implications with potentially serious long-term effects. Also, more and more incidents are multiagency and/or multijurisdictional. As the Senior Official, you need to be aware of how ICS and interagency (regional) multiagency coordination systems can work to ensure cooperative response efforts.
This document attempts to acquaint Senior Officials with the National Incident Management System (NIMS), the Incident Command System (ICS), Unified Command, and your specific role within those constructs.
At the end of this document, you will find an ICS Readiness Checklist, ICS Incident Checklist, information about the After-Action Review as well as a sample Delegation of Authority letter.
Frequently Asked Questions
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Common Terminology
NIMS establishes common terminology that allows diverse incident management and support organizations to work together across a wide variety of functions and hazard scenarios. This common terminology covers the following:
Modular Organization
ICS and EOC organizational structures develop in a modular fashion based on an incident’s size, complexity, and hazard environment. Responsibility for establishing and expanding ICS organizations and EOC teams ultimately rests with the Incident Commander (or Unified Command) and EOC director. Responsibility for functions that subordinates perform defaults to the next higher supervisory position until the supervisor delegates those responsibilities. As incident complexity increases, organizations expand as the Incident Commander, Unified Command, EOC director, and subordinate supervisors delegate additional functional responsibilities.
Management by Objectives
The Incident Commander or Unified Command establishes objectives that drive incident operations. Management by objectives includes the following:
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Incident Action Planning
Coordinated incident action planning guides incident management activities. IAPs represent concise, coherent means of capturing and communicating incident objectives, tactics, and assignments for operational and support activities.
Every incident should have an action plan; however, not all incidents need written plans. The necessity for written plans depends on incident complexity, command decisions, and legal requirements. Formal IAPs are not always developed for the initial operational period of no-notice incidents. However, if an incident is likely to extend beyond one operational period, becomes more complex, or involves multiple jurisdictions and/or agencies, preparing a written IAP becomes increasingly important to maintain unity of effort and effective, efficient, and safe operations.
Staff in EOCs also typically conduct iterative planning and produce plans to guide their activities during specified periods, though these are typically more strategic than IAPs.
Manageable Span of Control
Maintaining an appropriate span of control helps ensure an effective and efficient incident management operation. It enables management to direct and supervise subordinates and to communicate with and manage all resources under their control. The type of incident, nature of the task, hazards and safety factors, experience of the supervisor and subordinates, and communication access between the subordinates and the supervisor are all factors that influence manageable span of control.
The optimal span of control for incident management is one supervisor to five subordinates; however, effective incident management frequently necessitates ratios significantly different from this. The 1:5 ratio is a guideline, and incident personnel use their best judgment to determine the actual distribution of subordinates to supervisors for a given incident or EOC activation.
Incident Facilities and Locations
Depending on the incident size and complexity, the Incident Commander, Unified Command, and/or EOC director establish support facilities for a variety of purposes and direct their identification and location based on the incident. Typical facilities include the Incident Command Post (ICP), incident base, staging areas, camps, mass casualty triage areas, points-of-distribution, and emergency shelters.
Comprehensive Resource Management
Resources include personnel, equipment, teams, supplies, and facilities available or potentially available for assignment or allocation. Maintaining an accurate and up-to- date inventory of resources is an essential component of incident management. Section II, the Resource Management component of this document, describes this in more detail.
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Accountability
Effective accountability for resources during an incident is essential. Incident personnel should adhere to principles of accountability, including check-in/check-out, incident action planning, unity of command, personal responsibility, span of control, and resource tracking.
Dispatch/Deployment
Resources should deploy only when appropriate authorities request and dispatch them through established resource management systems. Resources that authorities do not request should refrain from spontaneous deployment to avoid overburdening the recipient and compounding accountability challenges.
Information and Intelligence Management
The incident management organization establishes a process for gathering, analyzing, assessing, sharing, and managing incident-related information and intelligence. Information and intelligence management includes identifying essential elements of information (EEI) to ensure personnel gather the most accurate and appropriate data, translate it into useful information, and communicate it with appropriate personnel.
Note that in NIMS, “intelligence” refers exclusively to threat-related information developed by law enforcement, medical surveillance, and other investigative organizations.
ICS HISTORY AND FEATURES
Incident Command System
ICS is a standardized approach to the command, control, and coordination of on-scene incident management that provides a common hierarchy within which personnel from multiple organizations can be effective. ICS specifies an organizational structure for incident management that integrates and coordinates a combination of procedures, personnel, equipment, facilities, and communications. Using ICS for every incident helps hone and maintain skills needed to coordinate efforts effectively. ICS is used by all levels of government as well as by many NGOs and private sector organizations. ICS applies across disciplines and enables incident managers from different organizations to work together seamlessly. This system includes five major functional areas, staffed as needed, for a given incident: Command, Operations, Planning, Logistics, and Finance/Administration. A sixth ICS Function, Intelligence/ Investigations, is only utilized when the incident requires these specialized capabilities.
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Incident Complexity, Complex Incidents and Incident Complex
Incident Complexity as the combination of involved factors that affect the probability of control of an incident. Many factors determine the complexity of an incident, including, but not limited to, area involved, threat to life and property, political sensitivity, organizational complexity, jurisdictional boundaries, values at risk, weather, strategy and tactics, and agency policy. Incident complexity is considered when making incident management level, staffing, and safety decisions.
Incident complexity is assessed on a five-point scale ranging from Type 5 (the least complex incident) to Type 1 (the most complex incident).
Various analysis tools have been developed to assist consideration of important factors involved in incident complexity. Listed below are some of the factors that may be considered in analyzing incident complexity:
Complex Incidents are larger incidents with higher incident complexity (normally Type 1 or Type 2 incidents) that extend into multiple operational periods and rapidly expand to multijurisdictional and/or multidisciplinary efforts necessitating outside resources and support.
According to NIMS 2017 Incident Complex refers to two or more individual incidents located in the same general area and assigned to a single Incident Commander or Unified Command.
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Overall Organizational Functions
ICS was designed by identifying the primary activities or functions necessary to effectively respond to incidents. Analyses of incident reports and review of military organizations were all used in ICS development. These analyses identified the primary needs of incidents.
As incidents became more complex, difficult, and expensive, the need for an organizational manager became more evident. Thus, in ICS, and especially in larger incidents, the Incident Commander manages the organization and not the incident.
In addition to the Command function, other desired functions and activities were to:
ICS – Who Does What?
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General Staff
The General Staff represents and is responsible for the functional aspects of the Incident Command structure. The General Staff typically consists of the Operations, Planning, Logistics, and Finance/Administration Sections. In some incidents the General Staff may also include the Intelligence/Investigations Function, either operating under a staff section, or as a stand alone section.
General guidelines related to General Staff positions include the following:
Public Information Officer Responsibilities
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Safety Officer Responsibilities
Liaison Officer Responsibilities
Assistants
Additional Command Staff