Work on refurbishing 4 Montheith St, Albert Town, is set to begin later that month or in November.
The deadline for construction companies to ask questions is September 28, with Te Whatu Ora to reply by October 5.
Proposals should be completed and submitted by October 12.
The request for proposals related to the building phase of the work in Wanaka and responses from construction companies are being sought.
Other technical consultants, including for design, have already been consulted and are out of scope, the document says.
"Services such as electrical and plumbing including the proposed layout will be secured, managed and subcontracted by the successful lead contractor," the document said.
The number of women of child-bearing age (15-44) in the Central Otago and Queenstown Lakes districts is projected to grow by 17 per cent by 2043, the document stated.