Addition-Alteration-Conversion

add on to existing deck existing is 15x20 addition to deck to be 4x20 making the overall size 19x20. Helipile footings pressure treated framing 36in poly composite railings. Remove existing rim new framing joists 2x8 16oc to sister on top of exiting beam to new beam add new blocking over old beam and blocking over new beam. 2.5a hurricane straps to new beam. new beam is a 3ply 2x10 with 6x6 support posts and post to beam brackets 6x6 support posts to be bolted to Helipile footings.