I am getting more requests for installations on existing commercial roofs with the new administration. I am comfortable with reinforce concrete buildings as the dead load is very high of the existing structure. However, does anyone have any thoughts on the effect on large span steel trusses as...
I am getting more involved with the installation of solar water and electric panels on existing structures. Normally it is a simple matter of transfering the wind loads to the ground with proper selection of connectors. I have been asked to design a installation on an existing prestressed hollow...