A. Install piping according to the following requirements and Division 22 Sections specifying piping systems. B. Drawing plans, schematics, and diagrams indicate general location and arrangement of piping systems. Indicated locations and arrangements were used to size pipe and calculate friction loss, expansion, pump sizing, and other design considerations. Install piping as indicated unless deviations to layout are approved on Coordination Drawings. C. Install piping in concealed locations, unless otherwise indicated and except in equipment rooms and service areas. D. Install piping indicated to be exposed and piping in equipment rooms and service areas at right angles or parallel to building walls. Diagonal runs are prohibited unless specifically indicated otherwise. E. Install piping above accessible ceilings to allow sufficient space for ceiling panel removal. F. Install piping to permit valve servicing. G. Install piping at indicated slopes. H. Install piping free of sags and bends. I. Install fittings for changes in direction and branch connections. J. Install piping to allow application of insulation. K. Select system components with pressure rating equal to or greater than system operating pressure...
