Specifications include, but are not limited to: replacing the chiller and related piping modifications. Scope also includes new associated electrical and plumbing work, controls, air separator, expansion tank, water pumps, and makeup water valve train. ; HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS: A. Design supports for multiple raceways capable of supporting combined weight of supported systems and its contents.; B. Design equipment supports capable of supporting combined operating weight of supported equipment and connected systems and components.; C. Rated Strength: Adequate in tension, shear, and pullout force to resist maximum loads calculated or imposed for this Project, with a minimum structural safety factor of five times the applied force.; A. Comply with NECA 1 and NECA 101 for installation requirements except as specified in this Article.; B. Strength of Support Assemblies: Where not indicated, select sizes of components so strength will be adequate to carry present and future static loads within specified loading limits. Minimum static design load used for strength determination shall be weight of supported components plus 200 lb (90 kg).; C. Mounting and Anchorage of Surface-Mounted Equipment and Components: Anchor and fasten electrical items and their supports to building structural elements by the following methods unless otherwise indicated by code: 1. To Wood: Fasten with lag screws or through bolts.; 2. To New Concrete: Bolt to concrete inserts.; 3. To Masonry: Approved toggle-type bolts on hollow masonry units and expansion anchor fasteners on solid masonry units.; 4. To Existing Concrete: Expansion anchor fasteners.; 5. To Steel: Beam clamps (MSS Type 19, 21, 23, 25, or 27) complying with MSS SP-69.;
