I have a project, where an existing single-story building from the 50's will be converted into a police station. From the international existing building code if you change the occupancy of the building into a higher-risk category then the structure shall conform to the seismic requirements for...
I have a project under construction where we have some slopped columns. They support a cantilever beam condition. The angle of the column is 75 degrees with the horizontal. The grid of the columns is in a radius. The height of the column, from the finish floor to the top of column is 23'-1"...
We recently were approach by one of our clients, and architect, he is going after a remodal of a goverment leased building. He submitted a Request for Lease Proposals, on the proposal they are requesting a GSA seismic certification. Now, our client is going after this project, so he might get...
I have an Architect that is going after an interior renovation of an existing building leased by the government. The government has leased this building for the past 15 years I believe, and they plan to remodel the inside. The Architect contact us and ask us to help him out, he give us the...
Good morning. About a week ago we were contact to go look at some apartments. The apartments are a two story cmu walls. The floors are also cmu, they use some kind of post tension system, I am posting a picture. Well, the problem is, at the end of the cantilever the rods and anchor plates...
Hi, I have a client that ask me to look at a warehouse he is renting. Some of the columns have been hit by a forklift, some of them have a hole due to the impact. Other columns have a bent on one of the faces of the tube. Has anyone done any repair on something similar, the columns are...
A General Contractor is doing a school where they are the CM at Risk. We were not the EOR of the project, but we know both, the Generral Contractor and the Architect of Record. The contractor came to us, and ask us to do a peer review of the construction documents, what is the right thing to...
I am designing an elementary school inside a military base, this is actually a site adapt, but now I need to check the structure for blast design. The roof joists span more than the 30' specified under the UFC 4-010-01, so I need to check them for blast loading. I have access to the SBEDS...
We are working on a project that has tilt-up panels with Brick veneer, is for the goverment. Normally on tilt-up panels your deflection criteria is L/150, on this project they since they have brick they want to limit the defleciton to L/600, which is high for a tilt-up building, not to mention...
Hi, I have a question, I design a 5 story concrete building and is in the construction stage. Last week they poured the first part of the first elevated slab, tehy started around 1:00 AM and they finish pouring concrete around 9:30, they had about 560 cu. yd. The contractor wanted to poured...
We have a project with piers, when the pier contractor start drilling the piers they found water, the depth of the piers are about 45 feet deep, the water in the hole is about 10' from the bottom of the hole. To dewater the hole the contractor is placing the pump hose all the way to the bottom...
Hi, I'm working in a foundation design for some kind of machinery, I was reading the requirements, and based on them you shall have a concrete floor system (on grade) with a first natural frequency higher than 200 Hz, I'm trying a 24-inch thick foundation, the dimensions of the foundation are...
I have a question, when the shop drawings arrive at the architect office from the general contractor, who is responsible for getting those shop drawings to the structural engineer, is it the architect responsability to send them to our office or do we need to go get them.
Thanks for your comments.
I'm working in a 4 story concrete building. The foundation is drilled piers, the seismic category is B, I check the ASCE 7-05 and IBC 06 to check if the piers needed to be connected by tie beams, IBC section 1808.2.5 Stability. Piers shall be braced to provide lateral stability in all...
