Tmt comp background



Artist's impression of the Thirty Meter Telescope.

Hawaii Hearings Officer Recommends Issuance of a State Permit to Build TMT on Maunakea

After nearly five months of evidentiary hearings, a former state Judge has recommended a key state permit be issued to the University of Hawaii to allow construction of the Thirty Meter Telescope on Maunakea in Hawaii.

State Hearings Officer and former Judge Riki May Amano released a 305-page report on July 26 that recommends a Conservation District Use Permit (CDUP) be issued by the Board of Land and Natural Resources for the TMT project.

In response to Amano’s announcement, Henry Yang, Chair of the TMT International Observatory Board, and TIO Executive Director Ed Stone issued the following statement:

"TMT welcomes the recommendation that a state permit be issued and we respectfully look forward to the next steps. We appreciate that Judge Riki Amano worked carefully and tirelessly to ensure all voices were heard during the contested case hearing. We are grateful to all our supporters and friends who have been with us during the hearing process and over the past ten years and we remain respectful of the process to ensure the proper stewardship of Maunakea."

Extent of the report 
In her report, Amano said TMT’s proposed land use will “not cause substantial adverse impact to existing natural resources within the surrounding area, community, or region” and “will not be materially detrimental to the public health, safety, and welfare.”

Amano also concluded that the proposed land use “reasonably protects identified native Hawaiian rights and practices.”

Amano also noted in her report that the entire process relating to the conservation district use application for the development of the TMT Project “completely negates any argument that the University and TIO could have the requisite specific ill-intent to ‘mistreat’ Mauna Kea.

“To the contrary, the participation by the University and TIO in the preparation and consideration of the CDUA and their participation in this proceeding demonstrates the complete opposite: an intent and commitment to participate in a legal process designed to carefully consider the merits of the development of the TMT Project consistent with the eight criteria set forth” for a conservation district use permit on Maunakea,” she wrote.

Work on the telescope on Maunakea was halted in 2015 when the Hawaii Supreme Court invalidated the Conservation District Use Permit issued by the Board of Land and Natural Resources (BLNR) to the University of Hawaii - Hilo to build TMT on Maunakea.

At the time the permit was initially granted, a contested case hearing was also approved, as was a stay on construction pending the outcome of the contested case hearing. The Supreme Court returned the case to the Hawaii Circuit Court and instructed that a new contested case hearing be conducted before the Board. The contested case got underway in October 2016. Following 44 days of testimony by 71 witnesses over five months, that hearing concluded in early March 2017.

Over the last 10 years, TMT has followed the state's laws, procedures and processes in its efforts to build TMT on Maunakea. More than 20 public hearings have been held since 2008. An EIS was completed and approved. For the complete timeline, visit

Next steps 
The BLNR has issued an order setting briefing dates and a date for arguments on whether they should accept reject or modify Amano's proposed decision on the CDUP. Exceptions to the recommendations are due no later than August 21, 2017, and responsive briefs to those exceptions may be filed no later than September 11, 2017. Oral arguments will be held on September 20, 2017.

TMT is also awaiting resolution on the state’s consent to the University of Hawaii’s sublease to the TMT International Observatory. 

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