National Transport Authority (NTA) [1.] Records showing the initial cost of the construction of the new entrance, including steps and ramp, at Deer Park in Mount Merrion, south Dublin - when the project was initially proposed/tendered for - and subsequent records both showing whether the project was coming in on budget and the final cost breakdown. [2.] Any correspondence between the NTA and Dun Laoghaire-Rathdown County Council regarding the cost of the above project.