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April 20, 2008
Rebuilding a double porch
We need to re-build the second floor of our double porch. The idea is daunting and we have no idea where we should start. We presume that we might need to consult with steel workers, carpenters, and fine woodworkers, in addition to maybe a GC, an expediter, and an architect. We're also exploring the possibility of using trex on top of steel framework. Anyone have any suggestions or experiences to share?
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You'll need a structural engineer for certain. An architect will need to create drawings to submit to DOB and sign-off on the project. Some expediters might be able to do the latter. Once you decide on the deck material the engineer can determine weight etc. & draw up specs. The building process will require a variety of tradespeople, so hiring a GC is a matter of your skill sets and how involved you want to be.
I've been told that code requires decks be at least 3ft from each side of the property line if you use Trex or any other combustible material. Even if it's on top of a steel frame. So if you want the deck to run the full property line you must use a stone, concrete, metal or another non-combustible surface on top of a steel frame. A few builders told me the DOB has recently started allowing Ipe wood, due to it's unique properties. I'd be curious if other posters could shed light on DOB deck rules, because after seeing dozens and dozens of 'full property line' decks made of 'combustible material', I don't know if my expediter was over-cautious, or if most Bklyn. decks I see are illegal.
An ironworks company will install the support columns and steel frame. This will probably include a mason/concrete person
for the foundation footings. If you decide to use bluestone or pavers for the deck surface, you would install a metal platform,
add 2 to 4 niches of concrete, than possibly a layer of sand, and finally the bluestone, pavers or whatever. Make sure your drawings include good drainage. Adding modular wood tiles on top of concrete is something you could do yourself after everything was done, as long as they're not affixed.
Posted by: guest at April 21, 2008 7:44 AM
Thanks for the detailed response! I really feel like I know what I'm in for. I think I just might wait until next year, since this sounds like a process that could take 3-6 months. How long did it take for you to get your deck done from inception to finish?
My existing porch, original to the house, is likely grandfathered in and thus not subject to 3 ft. property line rules.
I believe that you're correct in the assumption that most people's decks are indeed illegal. Working with the DOB and sorting throught the bureaucracy takes a lot of time and money - resources that many homeowners are lacking.
Posted by: Jas at April 21, 2008 8:22 AM
My steel deck was completely built in a single day from start to finish. The whole process, however, took six months in terms of having an architect draw up plans and getting DOB approval.
Posted by: guest at April 21, 2008 3:49 PM
My steel deck was completely built in a single day from start to finish. The whole process, however, took six months in terms of having an architect draw up plans and getting DOB approval.
Posted by: guest at April 21, 2008 3:50 PM
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