Answers

Ask Your Wife First!!! Happy Wife Happy Life... and Hire a professional Do Not attempt this under taking witht he amout of recon and intel You have provided here.

here are a few industry terms

  Deck Building Terms

Here are some of the terms you'll need to know to complete this project:

Beam: A horizontal support member (Also see post.)

Decking: The material installed over the supporting framing members to which the roofing material is applied

Edge: Either of the two longer sides of a board, perpendicular to the face

Face: Either of the two wide surfaces of a board

Footing: The base on which a masonry wall or other support rests. It spreads out the load to prevent settling

Joists: Horizontal framing members that support a floor or ceiling.

Pilot Hole: A small-diameter hole that guides a nail or screw

Post: Any vertical support member

Rim Joist: The outermost joist in a structure's floor framing

Rise: The vertical distance from one point to another above it; a measurement you need in planning a stairway or ramp (Also see run.)

Run: The horizontal distance a ramp or stairway traverses (Also see rise.)

Screed: Leveling concrete, sand or other material by pulling a board pipe or other straightedge across it in a sawing motion

Three-Four-Five Triangle: An easy, mathematical way to check whether a large angle is square. Measure 3 feet along one side, 4 feet along the other. if the corner is square, the diagonal distance between those two points will equal 5 feet.

Toenail: To drive nails at an angle.

A professional deck builder with industry knowledge will be able to help answer all your questions such as what size deck is allowed in your town, different configuration ideas and other available options.  You can visit our website and contact us with any questions you may have.  Here is our site: www.fourseasonssunrooms.com/decking

Consult a professional.

Whether it's 12" or 12' off the ground there are too many safety and code issues for the average homeowner to tackle. Better to do it right than to regret it later.