Just did my one year extension again today at Samut Prakan, no map needed, although they did make me fill in the forms again by hand rather than the ones I had already printed out in PDF with the replies done. They claimed the forms had changed, but I really could not see any difference.
There is no such thing as a "retirement Visa". What you are looking for is a One Year extension of stay based on Retirement. You need to change your visa to a 90 day non-O, Then you can apply for the extension based on Retirement, where you will need to satisfy the financial requirements.