A/RES/57/292 10. Also requests the Secretary-General to include in those plans viable solutions for allowing natural light into the rooms, with a view to ensuring occupationally healthy conditions; Scope options 11. Approves the inclusion in the design documents of the proposed scope options for security, redundancy and contingency and sustainability within the design work for the capital master plan, without prejudice to the final decision to be made by the General Assembly at its fifty-eighth session with regard to the scope options to be included, and also approves the contingency plans for retaining the proposed new large conference room and multi-function hall in the parking garage of the United Nations Headquarters complex; Swing space 12. Endorses the proposal of the Secretary-General, in line with the first approach to phasing and swing space, to complete the negotiations with the City of New York for the construction and lease purchase of a new United Nations consolidated building on a section of the Robert Moses Playground, including the cost of providing alternative park amenities for the community to compensate for the loss of part of the playground; 13. Requests the Secretary-General to include a permanent large conference room and a permanent multi-function hall in a design of the new United Nations consolidated building; 14. Also requests the Secretary-General to ensure that, in addressing the design of the United Nations consolidated building, the necessary security and environmental parameters are respected; 15. Approves, in principle, the approach of the Secretary-General that the acquisition of the United Nations consolidated building will be made through a leasepurchase agreement with the United Nations, upon the expiry of which the building and the land on which it stands would be owned by the United Nations; Parking 16. Takes note with concern of the existing difficulties with regard to the availability of parking at the United Nations; 17. Requests the Secretary-General to study all viable options to ensure sufficient parking spaces so as to meet the existing and future needs of diplomatic missions and Secretariat staff within the projected overall budget of the capital master plan, and to report thereon to the General Assembly at its fifty-eighth session in the context of its consideration of the capital master plan; Management and oversight 18. Requests the Secretary-General to put in place strict control standards for all phases of the plan prior to and during its implementation, defining the precise refurbishment work to be done and the technical results to be achieved so as to ensure that there are no cost overruns associated with the overall project, that the project is completed successfully within the envisaged time frame and budget and within the agreed technical specifications, that there are financial penalties for contractors in the case of non-respect of deadlines and that there is a guarantee which will ensure the long-term quality of the work undertaken; 3