A target quarter is not a booking date. Settle eligibility, documents and the first 20% now, so the decision at launch is about the unit and its price.
For an HDB owner in Bukit Panjang, one household's earlier move from 635B Senja Road to another EC, Copen Grand, shows how a Deferred Payment Scheme, a bridging loan and the flat's sale were lined up: 635B Senja Road to Copen Grand. It is a historical case for a different project and does not mean Solano Grand will offer the same scheme, or that the same financing or approvals will be available.
URA SPACE's map is the primary record of the sale site; its land sales information is URA's and HDB's. Open it there rather than relying on copies of the map elsewhere.