Specifications include, but are not limited to: A. Casework must be provided as a modular dimensioned system of vertical upright support structures and cantilevered support frames: B. Heavy-duty support structure for tables, storage units and shelves, must meet the following design requirements: 1. Modular dimensioned system must be designed for maximum flexibility. 2. Modular units must be freestanding and suitable for wall, peninsula or island configurations. 3. Mobile support frames must be designed to accommodate both side-toside and back-to-back ganging. 4. When units are placed in back-to-back or side-to-side configurations, no gap is permissible between work surfaces or shelving when placed in the same plane.