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4k views

Is a roofing delivery truck likely to crack my driveway slab?

I am having shingles delivered. The truck weighs 62,000 lbs, will this crack my concrete slab driveway? Also, they plan on a dump truck in the driveway to throw shingles from the roof. I am not sure ...
5k views

Is this wall load bearing? Blueprints and photos attached

I would like to remove the highlighted wall on the second floor of my house in order to create a loft area. Please help me identify if I'm dealing with a load bearing wall.
154 views

I'll admit I don't get how to compute how much my floor can hold, and probably wouldn't trust my own math, even if I came up with the right answer. I'm looking to purchase a recording booth. I do ...
109 views

simple niche/nook shelf: boards resting on screws

I have a niche/nook in a room (marked red) and some leftover chipboards of width 16mm. Together they should make a simple shelf. So I would cut the chipboards to the same width/depth as the niche/...
44 views

Do breaker trip curves ever begin BEFORE the load printed on the breaker handle?

It's commonly accepted that the continuous load of a circuit should usually not be more than 80% of the rating of the lowest ampacity link in that circuit. Do breakers ever 'enforce' this de-rating ...
81 views

Shower divider wall – load bearing?

Redoing the shower in the master bathroom on 2nd floor and debating whether to knock out a wall and put in a corner glass enclosure. Started by removing framing to make 7’ shower to an 8’ shower. Easy ...
69 views

How do you calculate the horizontal force created by a load hanging from hinges with a hinged bend (as in a hangar door)?

I am trying to calculate the horizontal force created by a raised hangar door, but for the purpose of this question, we can consider the horizontal force of a 2x4 stud that is connected as shown in ...
147 views

Can I remove framing members forming a wall below a load bearing beam?

I am in the process of buying my first home and my head is already spinning with update ideas. The main idea, in particular, is renovating the kitchen/dining. There is a wall separating the two spaces ...
195 views

How much weight can a 3/4“ x 8” lag bolt hold when drilled in half way?

Question: How much weight can a 3/4" x 8" lag bolt hold when drilled in half way? What about other lengths and thickness, and percent drilled in? Is there some sort of formula to calculate? Optional ...
14k views

Load Bearing wall running parallel to floor joists above? [closed]

So I have a wall I would like to remove in my house (see picture 1-3). I did some exploratory surgery (aka cut holes) in the drywall to see what I was dealing with. This wall is running parallel to ...
367 views

Why are some of my trusses nailed to interior wall top plate?

I am hoping someone can answer why I have multiple trusses nailed into the top plate of a small interior wall in my home. In the first image, I have highlighted in red where the trusses actually touch,...
186 views

How to ensure all deck posts are sharing the load

I'm in the process of levelling my deck. Top down diagram below, showing decking perimeter (black), beams (blue) and posts/footings (red). Because of the irregular shape posts 1 and 3 are only 20" ...
837 views

Is it normal to have your load bearing wall not line up with your basement support posts and joist?

I am looking to do a pass through in my kitchen, and I was looking to confirm in the basement if everything lined up nicely for the 5-6' header I was going to put in. I noticed that the wall (load ...
262 views

How to fasten one end of a rope to multiple points so as to distribute load equally?

I'd like to hang a cocoon-type hammock device from a few railings overhead. It hooks onto a single point and hangs vertically, as opposed to a traditional hammock that you'd see hung horizontally ...
152 views

Is it safe to store a wheel/tire set in my garage loft area?

I'm not sure how much they weigh. I assume around 50lbs a piece. Here is the area I will store them in: Any specific way I should arrange the load or am I worrying too much?
373 views

Would two 1x10 placed together be as strong/load bearing as one 2x10

I have a rotted joist in my floor that I can access through my basement, but is above several pipes. I could squeeze a 1x10 through the gaps but can't get a 2x10 to fit. So wondering if I got two 1x10 ...
7k views

Weight distribution in load bearing wall?

Good morning, I have a load bearing wall that separates my living room from my kitchen and dining room. The wall is approximately 23 feet long, with 2 openings in it. One opening is 35 inches(going ...
217 views

What load panel should I use?

About 25 years ago I built a solid log cabin with 200amp service. The load center is on an interior wall (and hard to get at) and there is a 200amp disconnect just below the meter outside (so the load ...
85 views

8'x8' platform 8' off the ground. If 4x4 steel columns, do I need bracing?

Remote off-grid land with lots of bears, coyotes and even turned wild domesticated dog packs. I'd like to build a 8'x8'platform 8' off the ground for camping and use the bottom for storage. If my ...
213 views

Is it load bearing? Weird attic config

thanks for taking a sec to read. I just bought a small house in which the ceiling joists in the Attic seem to change from east to west to north to south. I am wanting to remove part of a wall in which ...
503 views

how to hang 200lb chandelier?

I'm planning to buy crystal chandelier that weigh 200lb. We will be replacing existing chandelier in the two storied foyer (height 18 feet). Current chandelier is installed using electric metal box on ...
81 views

How to tie the optimal cordelette in this specific 7 point scenario?

This is a followup to this question: How to fasten one end of a rope to multiple points so as to distribute load equally? Specifically, I'm following this answer's advice about using a cordelette. ...
697 views

Are furring strips over insulation in concrete basement strong enough to hold some shelves and a tv?

I plan to mount a 55" TV to my basement's wall with some floating shelves on both sides. Looking at pictures from my house's construction, I can see that furring strips were nailed over the ...
82 views

Using 600W load with C2 MCB

Can I use 600W electric kettle in a circuit which has a MCB rated as C2? The power supply voltage is 220V.
40 views

Will a 4x8 swingset beam with 4x6 notches at either end support a 16 foot span?

Non-engineer here, I'm trying to adapt a typical "A-frame swingset design" (like this https://www.instructables.com/id/Free-standing-A-Frame-Swing-Set/) to be a small set of traveling rings ...
252 views

I have a 10ft wall that spans only a third of the width of the house but is perpendicular to the 20' long 2x10s below it. One end of the wall could transfer load to the foundational wall but the rest ...
3k views

How to rule-out certain causes of 15 amp breaker that keeps tripping

One of the breakers in my apartment keeps tripping even after resetting. It’s a 15 amp circuit that feeds a bedroom, being used as a home office/recording studio with a laptop, 2nd monitor, a mixer, ...
29 views

Splicing load side of GFCI receptacle

I have a Junction box with incoming 120v coming into it. I want to Install a GFCI recpetacle in this location. From this same location I would like to splice the load side of the GFCI in order to ...
57 views

Voltage and Current in Domestic Wiring

According to European std. The domestic supply voltage is 220 V. When an equipment of high load current rating (Such as Kettle) is turned ON, the other elements such as 40W filament lamp is dim and ...
150 views

Minimum length for a shed ramp 8“ high using 2x12” PT?

I've built a shed which sits on a frame built of 2x4's and those in turn sit on 4x4 runners, and the whole structure sits on a concrete patio. The top of the shed floor sits approximately 8" above ...
86 views

Can I skimp on the jack stud?

Installing a closet in the very corner of an old house. Note, I don't have a proper king stud, but two 2x4s with a plywood spacer in the middle. This is a load bearing wall. I'm working with very ...
108 views

I was hoping to open up my kitchen to living area and make an island where it the pantry and coat closet is. All I have are these floor plans. Is that wall structural? Thanks!
297 views

I'm fairly certain this is a load bearing wall as the beam in the basement is directly below this wall. My question is, shouldn't the area pointed at with the white arrows have a header if this is a ...
67 views

Can I electrically isolate appliances by putting them on separate legs of a split phase supply?

In my office, I have a server (powered through a UPS) and a laser printer on the same circuit. When the laser printer turns on, the lights dim and the UPS will briefly switch to battery. This ...
271 views

Can a 3way switch provide a constant hot line to another unrelated load or switch?

I had some electrical work done but we were unable to test the lines and now the electrician is gone. To simplify the problem, we have two electrical boxes and two loads. One load (INSIDE LIGHT) will ...
1k views

Load-Bearing Wall? Parallel to Joists, single story, but has attic supports [closed]

I've had multiple professionals look at this wall, and no one has been able to give me a clear answer (2 home inspectors, and 1 structural engineer). So I've come to the source of all truth, the ...
274 views

my house has old warped joists. Is joist blocking safe?

I purchased a house built in 1960 and like other people have mentioned the terrible bounce, I got the same exact situation. I'm thinking of installing blocking to strengthen the floor. The 7 joists ...
37 views

GFCI Outlet Hard Fail

I have an electrically powered Drop-shade that is hot-wired to the load side terminals of my GFCI. The GFCI is a dedicated circuit there are no other outlets daisy chained to this GCFI. It worked ...
59 views

I have a narrow hallway with a doorway right in the middle. I'm trying to get rid of as much of the doorway as possible. I got rid of the trim and this 1/2 inch door frame.... but what's going on in ...
206 views

Can I fit a 90" dining table plus 8 chairs in an 11' ford cargo van? [closed]

I'm trying to figure out what size van I need to move a 90" dining table plus 8 chairs, the 2 table legs can be detached from table top for transport: The van has 11 feet of cargo space Height of ...
80 views

How to physically disable the “large load” option on a washing machine?

My old washing machine has 4 options (with the highest setting to be "large load"). How can I physically disable the dial in such a way that the large load will no longer be an option for the users?
43 views

Allowable load tables based on usage

When looking at allowable load tables from Simpson for their joist hangers, why are there different numbers for different cases, even though the force is in the same direction? For example, the LUS24 ...
3k views

Installing an “In-Wall” Light Timer, But it calls for“Load”, “Hot”, and “Neutral”

I am installing a new wall light switch timer, but in addition to my ground, Hot, and Neutral wires that are currently running to the old switch, this new one requires a "Load" wire too. I tried ...
29 views

50 amp GFCI Tripping randomly

My 50 amp GFCI Breaker tripped periodically so I disconnected the load wires from the lugs and turned it back on And after about a minute it tripped again. I then changed the breaker and it tripped ...
68 views

Why do I see such different rafter span tables for open beam ceilings?

Considering an open-beamed ceiling in southern california. Span is roughly 12'6" long ... perhaps 3-in-10 slope. I would like to use 4x8 rafters every 48 inches. However, this table from ...
151 views

How to finish concrete ceiling - beam span calculation

I have a room below my garage (suspended slab). I want to finish the room/ceiling. The room's dimensions are approximately 24' x 23.5' (this is to the walls, which are already framed/dry-walled). I ...
380 views

Is joist blocking safe on these old warped joists?

I purchased a house built in 1960 and like other people have mentioned the terrible bounce, I got the same exact situation. I'm thinking of installing blocking to strengthen the floor. The 7 joists ...
751 views

Floor Load Guidelines For Second Floor Bookcases

I am considering moving a large number of books in bookcases to a second floor room, and I am confused by the application of live load to this situation. Each case has a 2.3 square foot footprint, ...