This sub-series consists of 3 files:
- Site acquisition correspondence, 1968-1971
- Building work correspondence, 1974
- Formal opening ceremony, 1975
The Phase III extension was part of a programme of development of the College. Phase I started when the Gibson Halls of residence opened in 1968 and the houses at 8 and 9 Park Drive (which had been College residences) were demolished. A new teaching block was erected on the site, providing teaching rooms and kitchens, library, Student's Union and staff rooms. it was completed in 1969. Phase II was a modernisation programme to update the main Park Drive building and make it compliant with new fire regulations. It was completed in 1973. Phase I and Phase II were designed by Monro & Partners, Glasgow, the same firm of Architects who had designed the 1936 extension. Phase III was designed by the Building Design Partnership, Architects, Glasgow. It would extend the main building along 8-10 Park Avenue and 1-9 Eldon Street, to provide additional science accommodation, common rooms and teaching rooms and staff rooms. It was completed in 1975 and formally opened on 12 September 1975. It was named the Calder Wing in in honour of Juliann Calder, the College Principal, who had driven forward the establishment of the new science wing.
The only records for Phase I and II are found in the Governors and associated committee minutes.