87' 250 DA Swimplatform dimension

[tmsrb]

I need the swim platform dimension for my 1987 250 DA. I am 9 hours from my boat so I cant get it my self. Im hoping somone is close to their 250 and can get me the dimensions.
Thanks for your help!!!

 

[tmsrb]

If you have A 245 DA that will be close enough.
Thanks