Try the octagonal deck plans at www.instructables.com. Step by step plans will give you details to make doing it yourself simple and straight forward.
This website (http://www.calredwood.org/Project+Plans/Project+Plans.htm) is perfect for DIY redwood deck plans. They can even help you decide which colors are best to paint your new deck.
You can find deck gate plans on many DIY forums. People can share ideas and pictures, even plans and find the one that works right with the ideas you have.
Yes, there are freestanding deck plans that are available at no cost. Check this sites for more information: www.deckplans.com/how-it-works, www.diyadvice.com/diy/decks/freestanding/.
Many of the home improvement stores offer the services of assisting with deck plans. You can get advice at stores such as Lowe's or Home Depot. You can also find a wealth of information on a variety of deck plans online as sites such as DIY.
Yes there affordable deck plans for homeowners who want to renovate there pool by them selves. You can pick up some brochures or catalouges and DIY comapanies. The most appropraite place would be the company that installed your pool. They can provide you with some ideas and maybe some prinouts aswell.
Here are some tier deck plans: http://ths.gardenweb.com/forums/load/porch/msg021528153752.html and http://www.decksusa.com/decks-multi-level_deck_plans.htm. If you need DIY deck instructions, www.decks.com is a great site.
There are a ton of great places to get deck design plans. If you want a customizable one that fits your personal needs then websites like hotspring.com, timbertech and bighammer offer free deck designers where you can customize and print your plans. The DIY Network also provides instructions on deck planning as well.
You can purchase decking with possible sites on any DIY site online. You can build a deck in your garden easily, by checking out the possible plans online.
I would try to find a community DIY forum were the people there could tell you more about the floating deck plans. You local hardware store might have something to help you also.
Many DIY forums have custom deck plans online. Also, you can chat with other DIY'ers who are doing the same projects as you to bounce ideas off of. Also find a contractor with plans for sale if you want to try that method.
You can purchase a book of deck plans from your local book stores, or perhaps take one from the library. There is also a wealth of information on the internet where you can find complete instructions including the materials required. You may want to check the HGTV and DIY sites for assistance in finding simple deck plans.
Many DIY forums have deck plans online. Also, you can chat with other DIY'ers who are doing the same projects as you to bounce ideas off of. If all else fails, go to magazines or your public library.