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Project: Shea Bldg 4 – Anduril Sheet No: <br />Project No: MI2004255.00 Calc. By: MLR Date: <br /> Chk. By: Date: <br />Introduction <br />Five proposed new ceiling fans will be attached to the roof of the building located at 642 Dyer Road in Santa <br />Ana, CA. These calculations demonstrate that the existing building i s adequate to support the new units. <br />The existing roof truss purlins in the warehouse area have an add load built into the original design of 500#. <br />The new ceiling fan weighs 200# max, which is less than the add load built into the original design. The <br />existing truss purlins are ok as is for the new mechanical unit loads and reinforcement is not required. <br />3 <br />2020-162041 <br />02/23/21 <br />2020-162041 <br />03/02/21