ࡱ> g bjbjJJ ;(ub(ub.....BBB8z>|B6/.  x"x"x".......$d03,..x"V"V""x"x"... . % % %x". . . %x". % %:* + P a*##+ ./06/-+RF4#F4++JF4.+x"x" %x"x"x"x"x"..X$x"x"x"6/x"x"x"x"F4x"x"x"x"x"x"x"x"x"B : SECTION 262313 - PARALLELING LOW-VOLTAGE SWITCHGEAR Latest Update 5-6-2017 See underlined text for Edits. (Engineer shall edit specifications and blue text in header to meet project requirements. This includes but is not limited to updating Equipment and/or Material Model Numbers indicated in the specifications and adding any additional specifications that may be required by the project. Also turn off all Underlines.) Last Update: 6.9.11. Reformatted and See Underlined Text. GENERAL RELATED DOCUMENTS Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division01 Specification Sections, apply to this section and all other sections of Division 26. SUMMARY This Section includes metal-clad, [low] [medium] -voltage, circuit-breaker switchgear rated [1000] [5000] [15000]V and less, and associated control systems, for paralleling generators on an isolated bus and for distributing power in ac systems. Related Sections include the following: Division26 Section "Electrical Power Monitoring and Control" for interfacing communication and metering requirements. DEFINITIONS ATS: Acceptance Testing Specifications. GFCI: Ground-fault circuit interrupter. HMI: Human machine interface. SUBMITTALS Product Data: For each type of switchgear and related equipment, include the following: Technical data on features, performance, electrical characteristics, ratings, and finishes. Rated capacities, operating characteristics, furnished specialties, and accessories for individual circuit breakers. Features, characteristics, ratings, factory settings, and time-current characteristic curves for individual relays and overcurrent protective devices. Description of sequence of operation for paralleling controls. Shop Drawings: For each type of switchgear and related equipment, include the following: Dimensioned plans, elevations, sections, and details, including requiRED clearances and service space around equipment. Include the following: Tabulation of installed devices with features and ratings. Enclosure types and details. Outline and general arrangement drawing showing dimensions, shipping sections, and weights of each assembled section. Floor plan drawing showing locations for anchor boltsand leveling channels. Bus configuration with current rating, size, and number of conductors in each bus run, including phase, neutral, and ground conductors of main and branch buses. Short-time and short-circuit current rating of switchgear assembly. Features, characteristics, ratings, and factory settings of individual overcurrent protective devices and auxiliary components. Nameplate legends. Mimic-bus diagram. Wiring Diagrams: For switchgear, paralleling control system, and related equipment, include the following: Power, signal, and control wiring. Schematic control diagrams. Diagrams showing connections of component devices and equipment. Three-line diagrams of current and future circuits showing device terminal numbers and internal diagrams. Schematic diagrams showing connections to remote devicesincluding SCADA remote terminal unit. Coordination Drawings: Floor plans showing dimensioned layout, required working clearances, and required area above and around switchgear where pipe and ducts are prohibited. Show switchgear layout and relationships between components and adjacent structural and mechanical elements. Show support locations, type of support, and weight on each support. Indicate field measurements. Retain paragraph below if mimic bus is required. Samples: Representative portion of mimic bus with specified finish. Manufacturer's color charts showing colors available for mimic bus. Qualification Data: For testing agency. Source quality-control test reports. Field quality-control test reports. Updated mimic bus diagram reflecting field changes after final switchgear load connections have been made, for record. Operation and Maintenance Data: For switchgear and components to include in emergency, operation, and maintenance manuals. In addition to items specified in Division01 Section "Operation and Maintenance Data," include the following: Manufacturer's written instructions for sequence of operation. Manufacturer's sample system checklists and log sheets. Manufacturer's written instructions for testing and adjusting relaysand overcurrent protective devices. Time-current curves, including selectable ranges for each type of relayand overcurrent protective device. QUALITY ASSURANCE Independent Testing Agency Qualifications: An independent agency, with the experience and capability to conduct the testing indicated, that is a member company of the InterNational Electrical Testing Association or is a nationally recognized testing laboratory (NRTL) as defined by OSHA in 29CFR1910.7, and that is acceptable to authorities having jurisdiction. Testing Agency's Field Supervisor: Person currently certified by the InterNational Electrical Testing Association or the National Institute for Certification in Engineering Technologies to supervise on-site testing specified in Part3. Source Limitations: Obtain switchgear through one source from a single manufacturer. Product Options: Drawings indicate size, profiles, and dimensional requirements of switchgear and are based on the specific system indicated. Refer to Division01 Section "Product Requirements." Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA70, Article100, by a testing agency acceptable to authorities having jurisdiction, and marked for intended use. Comply with NFPA70. DELIVERY, STORAGE, AND HANDLING Deliver switchgear in sections of lengths that can be moved past obstructions in delivery path. Store switchgear indoors in clean dry space with uniform temperature to prevent condensation. Protect switchgear from exposure to dirt, fumes, water, corrosive substances, and physical damage. PROJECT CONDITIONS Installation Pathway: Remove and replace building components and structures to provide pathway for moving switchgear into place. Interruption of Existing Electrical Service: Do not interrupt electrical service to facilities occupied by Owner or others unless permitted under the following conditions and then only after arranging to provide temporary electrical service according to requirements indicated: Notify UM fin writing no fewer than 10 days in advance of proposed interruption of electrical service. Do not proceed with interruption of electrical service without UM's written permission. Product Selection for Restricted Space: Drawings indicate maximum dimensions for switchgear, including clearances between switchgear and adjacent surfaces and other items. Comply with indicated maximum dimensions. Environmental Limitations: Rate equipment for continuous operation at indicated ampere ratings for the following conditions: Ambient temperature not exceeding 1040F. Altitude of 6600 above sea level. COORDINATION Coordinate layout and installation of switchgear and components with other construction that penetrates ceilings or is supported by them, including conduit, piping, equipment, and adjacent surfaces. Maintain required clearances for workspace and equipment access doors and panels. Coordinate size and location of concrete bases. Concrete, reinforcement, and formwork requirements are specified in Division03. EXTRA MATERIALS Furnish extra materials described below that match products installed and that are packaged with protective covering for storage and identified with labels describing contents. Fuses: 10% of each type and rating used. Include spares for [potential transformers] [control power circuits] [and] [fusible devices]