ࡱ> NPM_ T!bjbjzyzy Q76b6b7FFFFFZZZ8<ZA,2(+++++++$s-)0+F!!!+FF+G&G&G&!jFF+G&!+G&G&)t)0k"^)+,0A,)A1m"A1)A1F) ZG @G& 4 ++$2A,!!!!A1B : SECTION 26 33 24 48 volt DC Battery SystemS GENERAL RELATED DOCUMENTS Drawings and general provisions of the Contract, including General Conditions and Division 01 Specification Sections, apply to this Section. SUMMARY This Section specifies the furnishing and installation of a station battery for a nominally-rated 48 volts DC, rack and battery-charging equipment and panelboard, all mounted inside a NEMA 1 metallic enclosure. REFERENCE STANDARDS ANSI/IEEE 1375 Protection of Stationary Battery Systems NFPA 70 National Electrical Code (NEC) NFPA 110 Emergency and Standby Power Systems UL 1564 Battery Charges, Industrial UL 1989 Standby Batteries SUBMITTALS Submit product data on batteries, battery charger and accessories. Include outline and support point dimensions of enclosures and accessories; number of cells, unit weight and total weight; voltage, ratings and capacities. Capacity shall be based on the load requirements of the control devices in switchgear as specified in other sections of this specification. Electrical Diagrams: Submit schematic and wiring diagrams of the electrical system showing all factory wiring and clearly indicating all wiring and connections to be made in the field. PRODUCTS battery Type: Valve Regulated Lead Acid (VRLA) plate type, with short-period high-rate discharge capability for switchgear-control application. Provide absorbed glass-mat (AGM) battery. Gel-cell batteries or similar designs employing a gelled-electrolyte or electrolyte paste is not acceptable. Capacity: Amp-Hours at the 8-Hour discharge rate and amperes for 1-minute requirements shall be obtained from the switchgear manufacturer. Capacity shall consider and end voltage of not less than 1.14 volts per cell at 77 degrees F, starting from a fully charged cell. Voltage: 48 volts nominal. Containers: Translucent, impact-resistant polypropylene with minimum and maximum levels indicated. Number of cells: As required. Caps: Flash arrestors self-sealing removable type. Other Requirements: Provide batteries complete with all inner-cell and inter-rack connectors, end lugs and each battery filled with electrolyte, fully charged and with standard accessories. Provide redundant rectifiers so as to remain operational at all times. Battery system to be serviceable while in operation. rack Provide a suitable steel rack to support the complete bank of batteries needed to support the metal clad switchgear line up. Finish metal so burrs, sharp edges and other similar imperfections are removed and surface is smooth. After fabrication, paint with alkaline paint, ANSI 61 Light Gray. charger Type: Full-wave solid state, with fully automatic AC voltage compensation, DC current limiting at not more than 140 percent of rated output current, suitable for battery described above. Rating: Input: Field-selectable input voltage from 120 volts to 480 volts +/- 10 percent, 60 hertz +/- 5 percent, single phase. Output: 48 volts (nominal) and required amperes DC continuous, + 2 percent voltage regulation. Charging Voltage: Float Voltage Adjustable 1.35 to 1.45 volts per cell. High-Rate Voltage Adjustable 1.50 to 1.60 volts per cell. Accessories: Provide the following: Incoming circuit breaker. AC Power ON LED-type indicating light. AC surge suppressor. DC ammeter, +/- 2 percent accuracy. DC voltmeter, +/- 2 percent accuracy. Float or high-rate voltage adjusting potentiometer. Manually operated 0 to 24-hour timer that will put charger on high-rate charge for selected time and automatically recharge to float charge when time out. Include Float Charge and High Rate Charge long-life LED type indicating lights. Alarm relays for local monitoring and remote monitoring of the following parameters: Low DC voltage High DC voltage No Output Current Ground Loss of AC power These signals shall be connected to the building automation system (BAS). Ground detector system, complete, indicating resistors, dual indicating lights, relays and wiring. Output fuse. PANELBOARDS Provide a 100A, 1-phase, ground, 10kAIC panel with 15A, single pole breakers. manufacturers SENS. Eaton. Emerson/Leibert. enclosure: Provide a freestanding enclosure not wider than 48 inches or deeper than 36 inches to house the battery charger, relays, batteries, battery rack and branch circuit panelboard. Make enclosure rigid, with two front-opening doors, louvered to assure adequate ventilation of batteries to be mounted in lower part. Use-full-length piano hinges on doors and cushioned, magnetic door holders for closed position. Install charger in top portion, with all meters and controls visible and directly accessible. Finish enclosure with alkaline paint ANSI No. 61 Light Gray. EXECUTION product delivery, storage and handling Store batteries, charger and accessories in a clean and dry space and protect from the weather. Handle batteries, charger and accessories carefully to avoid damage to material components, enclosure and finish. Use only lifting eyes and brackets provided for that purpose. Damage components, cells or other materials shall be rejected. Refer to Section 26 01 00, Basic Electrical Requirements. inspection Installer shall examine the areas and conditions under which batteries, charger, and accessories are to be installed and notify the Contractor in writing of conditions detrimental to the proper and timely completion of the Work. Do not proceed with the Work until unsatisfactory conditions have been corrected. installation Install station batteries, chargers and accessories in accordance with the manufacturers written instructions, the applicable requirements of the NEC, NEMA and ANSI standards, and local and National Codes, Standards, and regulations. Install in accordance with the directions of the Owners Representative. Support: Provide proper support for installation of battery rack, in accordance with manufacturers written instructions and directions of the Owners Representative. Install enclosure where shown on plan. Interconnect all battery cells, fill and fully charge. Check and verify all alarm relays and interface with the BAS system. END OF SECTION 26 13 00   MD ANDERSON Project No. XXXXXXMD ANDERSON PROJECT NAMEA/E Name Issue Description A/E Project No.Month 00, 0000 鶹ӳ 48 VOLT DC BATTERY SYSTEMS MD Anderson Cancer Center 26 33 24 MS 20190301  PAGE 1 OF  NUMPAGES 4 *+,4EF6 7 @ A F H  9:@AHI|~9CPQSککĩĩĩh} h< h6h6hhh:~Jh6h.qhSm hh h/Ah/AhRhy h %h yh y h"9h&hwrhh&B,4F % T x !gd3Ogdgdkgd y  & F `gd& & F0^`0gd&gd"9AI 0l 3gWgdHsgdHsgdHsgd} gd} gd<gd6gd:~Jgd3OSjl 45?@WYtu1;<'2YZ     ÿûhs9C hZ,hZ,h:vhZ,hVh& h"9h& h|h|h9Kch<h| h:~JhANhANhg h'h'hyXxh' h} hhhRhHsh.qh} 9? $5@u1<tgdZ,gdZ,gd3Ogd"9gd|gdWgd<gd  & F^gd.qgdHs    ! " # $ % ' ( ) * + , - . / 0 1 2 3 4 5 6 8 9 gd@gdZ,  % & H O Z n y !!!"!$!%!-!.!/!5!6!7!8! ? 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