Looked at a possible project of an addition to an old 2 story multi-Wythe hollow brick home with a wood floor and roof. It’s a simple rectangle structure with a hip roof. Architect wants to demo one side of the house and attach a small 2 story addition to it. The addition will be wood with...
I have a scissor truss bearing on a 2nd Flr. wall that is being supported by a stout LVL(sketch attached). I know they typically run these trusses with a pin and a roller which will give you a horizontal reaction to satisfy. The supporting walls are both dbl. 2x6's at 16" o.c. (for brick veneer...
Contractor needs to put a new roof/trusses on an existing CMU structure with a continuous reinforced tie beam at top of the bearing walls. He wants to raise the new ceiling/roof about 6" above the existing tie beam. He doesn't want to add an additional course of block but he mentioned installing...
An exterior wood framed wall with typical brick veneer has failed (pushed out from loading up too many shingles)and needs to be temporarily shored up. Picture attached. It looks like they at least attaching the shoring to the framing but they are using the slab on grade to prevent the studs from...
I have a 1 story cmu structure and the contractor wants to remove an 18’ long section of exterior cmu wall,keep the tie beam above(8”x12”), and infill with a wood wall below. The new wall would be supporting the existing tie beam and about 15’ trib of roof loads above. Wall is about 8’...
I have a client that bought a unit in a newly built PEMB with traditional portal frame construction, party walls between units, and a slab on grade. He wants to construct a 2nd floor storage area for his shop about 30'x50' in area. He reached out to his architect and to the other tenants that...
Anyone ever seen this or heard of it? Had someone reach out to me today about designing a house with this system....thoughts?
https://www.youtube.com/watch?v=myAE7jcmd-s
I am trying to do calculations for full sheets of tempered/laminated glass (1/2" thick) for railings along a balcony. See attached picture... The balcony is constructed with wood trusses and the glass will be side mounted to a couple of 2x SYP band boards that are fastened to the trusses. Code...
Should there be a concern with an aluminum standing seam roofing over a steel deck in regards to corrosion? The panel is mechanically fastened to clips which are fastened to the steel deck. The fasteners dont penetrate the alum. panels so they are just resting on the steel deck. Should there be...
I am trying to determine whether I need to use the Ct temperature factor for roofing fasteners into plywood. Uplift is my controlling factor and I am not sure I need to apply this or not. During a wind event I doubt the temp. will be above 100 degrees but the NDS does say something about...
I have a 2.5/12 hip roof (see attached plan) with a vaulted ceiling below. Normally I treat the hips as beams and have a support where they meet at the ridge coming down on a joist that transfers load to walls. The ceiling doesn't allow us to do that unless it bears on a tie that would be...
Attached is a basic section of what is going on. They are adding a small addition and they want the new roof lines to match up with existing hence the reason for the giant sail of a rafter getting over framed. Its close to an 8/12 pitch going over existing trusses(truss is just for illustration...
Anyone see something similar to this? It looks like the trusses are starting to telegraph/deflect in the drywall ceiling and it is noticeable. There isn't any major signs of cracking but this is a brand new house and could get worse overtime with creep. Its more visible depending on the amount...
Roofer is trying to retrofit a new standing steam metal roof over an existing metal roof over Z purlins. We are adding about 2.5 to 3 psf in DL but I cant get them to check out. However, when I reference load tables from a local manufacture for these purlins it checks out. Its not a lot of load...
I have a fairly regular shaped two story homes being designed with the 1st story as CMU and the 2nd story 2x6 framing. The roof is a 7/12 gable and the upper floor shear walls running parallel with the ridge have windows/doors pretty much everywhere. All my aspect ratios for my segments along...
Somewhat of a "rookie" question here....I've been doing mostly small lump sum fee jobs for a while now but have some opportunities to move into larger projects. I know from other engineers the fee based on construction costs can be anywhere from 1% to 4% depending on the project. Starting out in...
I have a 1 story home with conventionally framed roof sitting on a old brick wall with a tie-beam on top running around the perimeter of the home. They want to put a 10' opening in the wall to a new addition. I have no idea what is in this tie beam as far as reinforcing to see if it can span the...
I have a mansard roof I am trying to analyze for wind pressures and the mansard section is a high pitch (20/12) with a flat roof on top. I was using ASCE7-10 Chpt 30 Part 4 and using the tables they have for roof pressures on mansard roofs. This is the only section that addresses C&C for...
I have a parapet wall at the roof level of a home that also has roof top access to be used as a deck. The client doesn't want to balloon frame the second floor to eliminate the need for kickers and he has a few good reasons for this. The parapet wall will vary from 3' to 4' in height due to the...
