Depends on how far they span from bearing points.
No, the cat 5 wire should cross conduits at an angle of 90 degrees. If the cat 5 wire is installed in conduit then it can be run parallel with the other conduits. Yes they can be installed above the dropped ceilings but tie them up high near the joists.
The word average here is INCREDIBLY general, since averages vary greatly from one geographical area to the next.So, I will use my experience to set the parameters and say that an average One story home (2-3 bedrooms) would be around 1,600 SF, making the math simpler, we'll say the dimensions are 40'x40'.That said, starting at the surface of the slab or the finished wood sub-floor, most ceilings are 90 to 96 inches in height.for that span, the joists in that ceiling will be 2x10 at a minimum, using a 12" overhang on both sides, your total roof width would be 42' and going with a modest 4/12 pitch, the height of that roof would be 1/3 of half that width or 7'.Add that 7 feet roof height to your 8 feet living space height and your total house height would be;15 feetthe average height of a house as of today is an estimate of around 5 698.334 inches tall
Rafters are sloped beams that support the roof, while joists are horizontal beams that support the floors and ceilings in a building structure.
Attic joists provide support and stability to the roof and ceiling of a building, helping to distribute the weight of the structure and prevent sagging or collapsing.
Different situations call for different joists. Generally floor joists are 2 x 12.
Joists are horizontal beams that support the floors, while rafters are sloped beams that support the roof. Joists are typically found on the lower levels of a building, while rafters are found in the upper part of the structure.
Roof joists are horizontal beams that support the ceiling and the weight of the roof, while rafters are sloped beams that support the roof itself. Joists are typically found inside the building, while rafters are located on the exterior.
To reinforce floor joists and ensure the structural integrity of your building, you can add additional support beams, sister joists, or steel plates. It is important to consult with a structural engineer to determine the best method for your specific situation.
The process for floor joist replacement in a residential building involves identifying the damaged joists, providing temporary support, removing the old joists, installing new joists, and securing them in place. This process requires careful planning, skilled labor, and adherence to building codes to ensure structural integrity and safety.
Sister joists are used in construction projects to provide additional support and reinforcement to existing joists. They help distribute weight more evenly and prevent sagging or structural issues in the building.
Common causes of sagging floor joists in a building include structural damage, excessive weight load, moisture damage, and poor construction. Solutions for sagging floor joists may involve reinforcing the joists with additional support beams, repairing or replacing damaged joists, addressing moisture issues, and ensuring proper construction techniques are used. Consulting a structural engineer or contractor is recommended for a professional assessment and appropriate solutions.
Closed-cell spray foam insulation is considered the best option for insulating floor joists to achieve optimal energy efficiency and temperature regulation in a building.
A subfloor is a layer of material that is installed directly on top of the floor joists and underneath the finished flooring of a building. It provides a stable and level surface for the finished flooring to be installed on. The subfloor also helps distribute the weight of the building and provides support for the floor joists, contributing to the overall structural integrity of the building.
The maximum allowable span for 2x6 deck joists is typically around 9 feet when using standard lumber and following building codes.