5. Subject to the provisions of this Order, the Comhairle may, within the limits of deviation, and according to the levels shown on the deposited sections, construct, execute and maintain the works described in Schedule 2 to this Order, together with all necessary works and conveniences connected therewith, in the Barra and Vatersay Electoral Division, parish of South Uist and Barra, in na h'Eileanan an Iar.