Building Renovation >> Timeline
Milestones of the renovation of United Nations Headquarters
in New York
The United Nations contracts an engineering firm, which reviews existing conditions of the UN Headquarters complex and finds them unacceptable for continued long-term use.
Submittal of the Capital Master Plan Study that outlines the work required to rectify this situation and provide a safe, secure, appropriate and energy-efficient facility.
The General Assembly authorizes the Secretary-General to proceed with the preparation of comprehensive design plan and detailed cost analysis for the Capital Master Plan (A/RES/238).
The General Assembly appropriates $25.5 million for design development and related project management costs.
Design Phase begins.
Complete design development plans.
The General Assembly approves the phased renovation of the UN Headquarters while approximately three-quarters of the UN Headquarters occupants remain on site (Strategy IV of the Capital Master Plan, A/RES/60/282).
Construction Documents Phase begins.
The General Assembly approves a budget of $1,876.7 billion and a funding mechanism through Member States' assessments (A/RES/61/251).
Secretary-General Ban Ki-moon appoints Michael Adlerstein as Assistant-Secretary-General and Executive Director of the Capital Master Plan.
The General Assembly approves the renovation of the Secretariat and the Conference buildings in one phase (Accelerated Strategy IV), reducing the time for the renovation from seven to five years, but creating the need for more staff to move to office swing space, A/RES/62/87).
The groundbreaking for the construction of the North Lawn Building marks the beginning of the renovation of the UN Headquarters under the Capital Master Plan.
Construction work begins in the basements of the UN Headquarters.
Relocations of UN staff from their offices to swing space begin.
Construction work starts in the Secretariat Building.
Secretary-General Ban Ki-Moon officially opens the North Lawn Building. The 190,000 square foot large temporary structure for approximately $140 million initially provides swing space for almost all the UN Headquarters' conference facilities and from 2012 to 2013 for the General Assembly. Among the 300 occupants of the building are the Secretary-General and the President of the General Assembly.
The Security Council moves into the completed Interim Security Council Chamber and its associated rooms in the General Assembly Building. Construction work begins in the Conference Building.
Approximately 6,000 moves to swing space have been completed.