Specifications include, but are not limited to: Mobile Stage Structure: Structure Strong, durable, lightweight, and maintenance free. Life expectancy of the structure should be 20 years when properly maintained. Testing Prototype shall be field-tested at twice the working load. All manufactured stages shall be quality tested at 1.2 times the working load. Setup: Leveling and Set-Up Shall come complete with a fully hydraulic or electric leveling and set up system. Set up time average less than 30 minutes. No tools required and no hand cranking necessary. Roof Lifting Mechanism Roof lifting mechanism shall allow for a complete hydraulic or electric set up of stage, sound, lighting and scenic equipment of balanced loads of at least 3,500lbs. Roof must be designed to support combined rigging and wind.