NSTALLATION 3.1 EXAMINATION A. Verify that field measurements and circulating arrangements are as shown on Drawings. B. Verify that abandoned wiring and equipment serve only abandoned facilities. C. Demolition Drawings are based on casual field observation and existing record documents. Contractor shall report discrepancies to Owner and Architect/Engineer before disturbing existing installation. D. The start demolition is verification that the contractor accepts and thoroughly understands existing conditions. 3.2 PREPARATION A. Provide temporary wiring and connections to maintain existing systems in service during construction. When work must be performed on energized equipment, feeders or branch circuits, use personnel experienced in such operations. B. Existing Electrical Service: Maintain existing system in service until new system is complete and ready for service. Disable system only to make switchovers and connections. Obtain permission from or notify Owner and Architect/Engineer at least 24 hours before partially or completely disabling system. Minimize outage duration. Make temporary connections to maintain service in areas adjacent to work area. 3.3 DEMOLITION AND EXTENSION OF EXISTING ELECTRICAL WORK A. Accessible Work Indicated to Be Demolished: Remove exposed electrical installation in its entirety. B. Abandoned Work: Cut and remove buried raceway 2 inches below the surface of adjacent construction. Remove existing wiring in its entirety. Cap and patch surface to match existing finish. C. Removal: Contractor (Division 26) shall be responsible to disconnect, make safe and lower to the ground all electrical systems, equipment, materials and components indicated for removal or demolition. Electrical conduit and conductors, feeders and branch circuits for all electrical systems indicated on the drawings and in the specifications shall be removed in their entirety unless otherwise indicated. The demolished material shall be collected and removed from the project site by the Demolition or General Contractor. D. Temporary Disconnection: Remove, store, clean, reinstall, reconnect, and make operational components indicated for relocation or labeled existing to be maintained. E. Remove, relocate, and extend existing installations to accommodate the construction process, phasing and the temporary partitions utilized to segregate the construction areas from occupied areas. F. Where electrical work to remain is damaged or disturbed in the course of the Work, remove damaged portions and install new products of equal capacity, quality, and functionality. G. Repair adjacent construction and finishes damaged during demolition and extension work. H. Maintain access to existing electrical installations which remain active. Modify installation or provide access panel as appropriate. I. Extend existing installations using materials and methods compatible with existing electrical installations or as specified. 3.4 CLEANING AND REPAIR OF EXISTING EQUIPMENT A. Clean and repair existing materials and equipment indicated as, existing to be maintained or existing to be relocated. 3.5 CUTTING AND PATCHING A. Cut, channel, chase, and drill floors, walls, partitions, ceilings, and other surfaces necessary for electrical installations. Perform cutting by skilled mechanics of the trades involved.
