Multiagency Coordination Group (MAC)- Which Nims Structure makes Cooperative Multi-Agency Decisions?

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The Multiagency Coordination Group (MAC) was established to guide the development of policies, processes and standards for multi-agency coordination among the federal, state, local and tribal governments in response to incidents of major consequence. MAC is a component of the National Incident Management System (NIMS).


On January 8th 2016, USCG-HI’s Administrator signed a Memorandum of Understanding. The MOU establishes USCG-HI as the lead agency for cooperative multi-agency decision making for Oahu’s marine jurisdiction including all waters south of Honolulu International Airport to Cape Grenville. USACE Joint Base Pearl Harbor – Hickam will become an integral part.



Do you know about which nims structure makes cooperative multi agency decisions?


The MOU is the first of its kind for MAC. It defines USCG-HI’s statutory and NIMS roles and responsibilities as the lead multi-agency response agency for marine incidents in Oahu’s marine jurisdiction. 


It also designates USCG-HI as the lead agency for cooperative multiagency decision making for marine incidents covering Oahu’s entire jurisdiction, including land, from Honolulu International Airport to Cape Grenville.


Here some points are discussed about Multiagency Coordination Group-

1. What is a Multi-agency Coordination Group(MAC)?


Multi-Agency Coordination Group is a core component of the National Incident Management System (NIMS) that brings together a range of public and private sector agencies to increase their capacity to effectively and efficiently manage major or significant incidents. 


The MAC is used for interagency coordination of support for incidents where the lead responder does not have the capacity to coordinate all aspects of the incident on its own. The MAC helps save time and money, as well as improve overall incident management effectiveness, by allowing participating agencies to leverage their own strengths.


2. Why does USCG-HI establish a Multi-Agency Coordination Group(MAC)?


In the event of an incident on Oahu’s marine jurisdiction, which involves the safety of the general public and cost containment, USCG-HI has primary responsibility for coordinating all aspects of response. 


The MAC will build upon USCG-HI’s capabilities in order to assist other agencies in their elevation as primary responders at times when USCG-HI is unable to assume that role. There are cases where Oahu’s marine jurisdiction may have an incident where NCARP, NPS and/or DoD have some response responsibilities while other public and private sector agencies may have certain support roles to fulfill. 


The MOU enables USCG-HI to leverage the capabilities of all responding agencies. This is an effort to improve incident management for multi-agency response efforts that will reflect Hawaii’s unique, multi-agency environment.


3. What type of incidents can be managed by a Multi-Agency Coordination Group?


The MOU signifies a significant step forward in the development of the MAC and its ability to provide effective coordination and support during complex or high consequence incidents on Oahu’s marine jurisdiction. 


The most immediate opportunities for using this coordination model would be for emergencies or disasters requiring a large-scale response involving multiple government agencies with varying responsibilities, jurisdictions, and/or legal authorities that occur outside of established command structures. 


The MOU also would enable the MAC to respond to maritime incidents in which the impact (e.g. spill of oil or other hazardous material) extends beyond USCG-HI’s jurisdictional boundaries, with the potential for significant environmental and/or human health impacts.


4. What are Multiagency Coordination Group-HRICs?


The HRICs are the Human Resource Incident Commanders who will facilitate and coordinate human resource support in a MAC engagement and throughout any incident supported by the MAC.They will act as the on-scene response managers.


5. What are the roles of Multiagency Coordination Group-TCs in an incident?


Multiagency Coordination Group-TCs will be the Incident Commanders (IC), responding to an incident to provide overall coordination, management, and direction of all incident support activities. 

They provide unified command and control to ensure that all agencies respond in a coordinated manner and respond efficiently with a focus on quality of life for our people, economic stability for Hawaii, as well as environmental integrity. 


They will leverage the collective capabilities of participating agencies and manage their respective resources effectively resulting in better decision(making) for the best outcome.


6. What is a Multi-Agency Incident Command System(MACS)?


The MACS is a system consisting of all participating federal, state and local Emergency Management Agencies that are involved in multi-agency responses. The MACS will establish guidelines and best practices for managing incidents with multiple agencies using the MACB format. The MACS aims to increase the safety and security of the Hawaiian people and environment.


7. What will be USCG-HI’s role in an incident?


USCG-HI will provide Public Safety Coordination in coordination with Federal, State and Local partners.


In accordance with the MOU, USCG-HI will be leading the coordination and planning efforts of all aspects of response in the MACB format.


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