Has there been any recent news of a bridge failure on the California High Speed train in Madera, California? The LA times has run a story concerning this and our local 3 day a week newspaper (Mt. Democrat - August 28th, page A4, written by Dan Walters covered this) Happened last October. Stop...
Look at the USGS web site for the amount of small and large earthquakes happening. At this instance - 546 in a one day period. 7 in the last 5 minutes - this instance: 9:39 am Saturday PCT...
This is a continuation of whether structural engineers are required to sign off on Electrical Substations (thread487-431850).
Response to responsibility:
Substations are not under the jurisdiction of DSA or OSHPD. They are under the jurisdiction, I believe, of the California PUC. Substation...
In the seismic analysis of electric transformers, the IEEE 693 and the IBC or CBC govern the acceptance criteria. The transformer construction industry has traditionally used Grade 5 bolts with the nuts installed with calibrated torque wrenches for the connections. The CBC references the AISC...
I'm have been searching for information on a Welsbach #688G13190 Traditional Fluted (Light) Pole and have not been able to contact the manufacturer. Anyone have technical information on this pole? We want to mount a surveillance camera on the pole.
