Hi Everyone,
The area I am in is currently hit by major floods in the aftermath of hurricane Helene. I have been asked to do structural reviews of flood impacted buildings.
The courses for first responders provide certification.
Has that become a requirement for licensed structural...
Hi All,
I am working on the foundations for a pre-engineered metal building.
The forces on the anchor bolts only work, assuming anchor reinforcement for shear.
Referencing ACI 318-14, Fig. R17.5.2.9b:
Question 1:
Are the bars not effective for anchor reinforcing per the figure required...
Hi All,
In order to increase shear capacity at the connection of a per-engineered metal building column to a concrete pier, the metal building engineer suggested the attached detail. It uses a steel angle that the anchor bolts extend through within the concrete pier. I guess to engage the...
For folks using Enercalc:
There has been not a single update or revision for the year of 2021 with the ENERCALC maintenance program.
Here is the number of updates for the last six years:
2016: 77 updates
2017: 81 updates
2018: 121 updates
2019: 21 updates
2020: 11 updates
2021: 0 updates...
Hi All,
I am wondering what I should do, or can do.
About 2 years ago I wrote a structural survey report on an old commercial building.
A tenant had asked me to write the report and paid me, not the building owner.
The building has issues.
- Should I pass on the report to the building owner...
I have been asked to review a residential deck to be used for a film production.
Do you know of a guideline what uniform and concentrated live load a deck is to be able to support for film production?
At the site meeting I will be asking how many crew, actors and actresses will be on the...
Hi All,
I am uncertain what to do about an existing commercial building. My job is to write a structural condition assessment, for the tenant. They are considering buying the building, but want to know what they are getting into.
The building is 2 stories with a crawlspace over the full...
Hi All,
I know water pipes can per IBC code extend through foundation using a sleeve pipe.
Can gas pipes extend through footings when sleeved as well?
Does anyone know of a code section that addresses this?
Thanks :)
Hi All,
A project I am working on has concrete basement wall, with the top 3-ft or so that are exposed to be faced with 6” stone. When supporting the stone veneer on 6” CMU on the below grade part, does this 6” CMU have to be fastened to the concrete?
Instead of vertical dovetail slots and...
Hi All,
Using NDS-18, §15.3.2 and 15.3.4 (pages 149 and 150), and its commentary C15.3.4 (page 280), on bolted built-up wood columns: It does not seem to address whether it is permissible to recess the through bolts and washers.
Does anyone know?
I am hesitant to recess the bolts and washers...
Hi All,
I am a self employed structural engineer and am considering getting occupation specific disability insurance.
Does anyone know of someone for whom the insurance company paid out in a case of an occupation specific disability?
What about an approaching dementia? Online I can only find...
I am working on an industrial/office building that is to be modified to allow for basketball courts and indoor track. It involves restructuring the roof framing, including removing eleven existing steel columns. The idea currently is for a new W-girder to be framed right below the existing...
Hi Everyone,
I am working on a 1952 office building (originally a school, but has been used as an office building for many years), in which there are existing open web steel joists to be shortened. The existing open web steel joists have a custom top and bottom chord in a WT-configuration. The...
Hi Everyone,
I am working on an 1952 building in which there are existing open web steel joists to be shortened. The existing open web steel joists have a custom top and bottom chord in a WT-configuration. The top and bottom chords are made of the 1/8" (deep) x 3 3/8" (wide)flange with a 3/8"...
Hi Everyone,
Where can I find the design blast load for grain storage for a brewery? I have found information on blast loads due to terrorism, but not grain dust.
Thanks!
Eric
Eric McDonald, PE
McDonald Structural Engineering, PLLC
Hi Everyone,
Today the first segments of many site retaining walls were poured. The air content of the concrete of the wall was tested at 2%.
Specified are:
4,000 psi concrete,
6% air +/- 1.5%,
W/C ratio of 0.4.
The mix has 2.85 cu ft of cement,
1 cu ft of type F fly ash,
10.6 cu ft of 1”...
Hi Everyone,
Today the first segments of many site retaining walls were poured. The air content of the concrete of the wall was tested at 2%.
Specified are:
4,000 psi concrete,
6% air +/- 1.5%,
W/C ratio of 0.4.
The mix has 2.85 cu ft of cement,
1 cu ft of type F fly ash,
10.6 cu ft of...
Hi Everyone,
I am trying to find a fair fee for structural design and CAD for a stand-along auditorium project with a construction value of $6,000,000. The Architect told me the total design fee he is charging the client.
With this particular Architect I have been working mostly on schools...
Hi Everyone,
Currently I am working on a single story, 16,000 SF medical center that is a non-essential facility for building occupancy in Western North Carolina. Per the geotechnical testing the seismic site class is ‘E’. The construction will be residential type stick-framed walls and...
