I'm helping out with a dedign to finish about half of a basement to make a playroom.
The basement walls are 8" concrete block, and the floor is poured concrete with a weep well around the whole basement perimeter that leads to a sump well and pump. The sump pump and well are not in the area...
DCA6 and all of your suggestions have been very helpful. I drew a lot of design requirements from DCA6, and even required compliance with it as well as the building code. It's "just a deck" but it was a pain when you throw in the use of Trex and connecting the ledger to the house's engineering...
Thanks. I was never a fan of composite decking. Almost every place I'd seen it used in the past (15-30 years), it sagged after a period of time. But maybe these products have improved. I would hope so.
Most deck designs I've seen specify 16" max for deck spacing with Trex as the deck board material. The Trex installation handbook recommends 16" as a max joist spacing as well. Do you folks usually use 16"? I've heard some other designers say 12" should be the max, but 12" is tough to justify...
Well, it was pretty clearly stated at the link you provided. The Prescriptive Residential Wood Deck Construction Guide also provides specs for fastener spacing for LVL's that includes Boise, Weyerhauser and other manufacturers. So, it appears to be permitted.
Thank you both for your assistance.
I haven't seen structural screws used for that long so I was wondering if their (usually) smaller diameter generally made them less desirable due to an intuitive tendency to cause failure due to splitting the wood. I see contractors using them often. So, I hadn't settled on a pattern, but I'd...
Can 2x deck ledger boards be lag screwed directly to 1-1/8" engineered lumber rim boards (under 1/2" sheathing) without extra reinforcement? The American Wood Council’s DCA6 Prescriptive Residential Wood Deck Construction Guide seems to suggest that they can while other resources cite tear-out...
If you have a 6x6 deck support post supporting a 3-2x10 beam, can you use structural screws to fasten a 6x6 knee brace to support the end of a cantilevered beam, essentially eliminating the cantilever since it's now supported by a knee brace?
If the structural screws are insufficient, then...
This posting was a relatively long one because I figured I might get questions. The short version is: Can a new sonotube-type 48" deep footing for a deck be placed close (a foot of so) to an existing, heavily loaded footing?
I've been asked to design a 12'x15' deck in upstate New York. It would be placed with the ledger (long side) against the back of the house and the shorter side against a sunroom that's 12' deep and 15' wide. So, it's intended to go in an inner corner of the home footprint. The home (and fill) is...
I was asked to look at a set of plans for a deck that were prepared by a large local lumber and building supply company. It's a simple rectangular deck off the back of a house.
The joists are treated 2x8's, all supported by a single beam that's spec'd as 3-2x10LM. I haven't seen "LM" on a...
It's probably a minor issue, but what is usually specified for footings or supports for the end of deck stair stringers where they meet the ground (soil)? The area I'm interested in is upstate NY where the frostline is usually assumed to be 48", so there is an annual freeze/thaw cycle.
I've...
I appreciate all the comments. You folks had a lot of great suggestions and things to consider.https://files.engineering.com/getfile.aspx?folder=196b1db7-eb2f-4e21-afa5-adb9478088f6&file=Attached_Garage.jpg
Thanks. I'm thinking more and more that stone isn't necessary. I'd be a bit concerned about heaving, though, considering it's an attached garage. Enough heaving might buckle the siding, even if the foundations are pinned together.
I can't take footing drains to daylight, but I could take...
Thanks all for your thoughts. I've been retired for 6 years (but kept up my license) and a request to put some plans together for a simple garage seemed like an easy thing to do..... it gives me something to think about and refresh my CAD skills. I visited the site and dug an exploratory pit...
I'm designing an attached, 24'x30', two car garage for a friend's daughter pro bono in upstate New York. The house it will be attached to is around 15 years old.
I've done a few other residential designs for one and two story homes (foundation and structure), but luckily, the soils have always...
As far as making it a separate building is concerned, the owners want the existing dwelling and the new garage mated together. They needed a variance because the garage will be half the distance to the road than the setback allowed. The neighbors objected to the way it would look, so I'm trying...
I need to place an 8" stem wall for a proposed unheated garage immediately next to an existing stem wall for an existing garage that was converted to habitable space.
With the slope of the driveway being moderate, I'd like to start the new garage floor 6" below the existing floor to try to...
Thanks for your responses. The deflection with the (3) 2x12's will work, so I think I'll go with that. The door is in gable end of the one-story garage, and the truss is really carrying the majority of the load anyway. The practice in my area is to design a header with trusses as though it's...
I'm planning to specify the use of a 9.5"x3.5" LVL as a header over a 16' wide garage door opening. In placing the LVL to allow for the required vertical rough opening, there will be 4" of space between the top of the LVL and the two top plates of the wall.
The garage is being built with 2x6...
