Each cantilever arm shall be securely welded to the post assembly and contain non- binding Quadra-Link interlocks with each ... B. FRICTION POWER: The entire group shall open and close, by the friction drive system, as a complete unit. ... ana too sitr field measurements taken prior to installation and folding gym seating shall be installed - conformance therewith. ... At least bt-annualy the inspection shall be performed by a Pro tessional Engineer or factory service personnel C. Theanbsp;...
|Title||:||Sweet's General Building and Renovation|