OPS-KWRD-FACN00588-PROJ973009R1-XXXX-XXXXX-F13--SN009200-19980528.pdf

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Fire Alarm System Repair
Solicitation number
FA480126Q0021
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About this file

This document is a technical drawing containing voltage drop calculations for six different wire gauge and distance configurations (WC 1 through WC 6). Each calculation box displays wire gauge (#12), distance in feet (ranging from 800 to 1375 feet), system voltage (256V across all configurations), quantity of speakers/strokes, total amperage, current draw values, distance in feet, wire gauge, and calculated voltage drop (ranging from 1.76 to 2.82 ohms). The calculations determine operating voltage by subtracting the voltage drop from the system voltage of 256V, resulting in operating voltages ranging from approximately 20.63V to 25.6V. The document appears to be part of a larger drawing package labeled "DRAWING OF WORK AS-BUILT" and includes a reference grid system and title block in the upper right corner. This is a technical specification sheet used for electrical system design and verification purposes, likely for an audiovisual or electrical distribution system requiring voltage drop analysis across various wire run distances.

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AutoCAD SHX Text 6200 Uptown Blvd. NE, Suite 400

AutoCAD SHX Text Architects & Engineers, Inc.

AutoCAD SHX Text Albuquerque, New Mexico

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ALBUQUERQUE, NEW MEXICO

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CORPS OF ENGINEERS

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U.S. ARMY ENGINEER DISTRICT

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FY 99 SPORTS & FITNESS CENTER

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HOLLOMAN AIR FORCE BASE

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SHEET NO.

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NO.

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SEQUENCE

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OF

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AutoCAD SHX Text PROJECT No. KWRD973009R1

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ALAMOGORDO, NM

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BPLW

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(505) 881-2759

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REVISIONS

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REVIEWED BY:

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DACA47-99-C-0025

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DRAWN BY:

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DESIGN BY:

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GBK/RVG/FJR

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MJM

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MJM

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ALBUQUERQUE

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DISTRICT

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DRAWING OF WORK AS-BUILT

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REVISED AS-BUILT

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FIRE ALARM VOLTAGE DROP CALCULATIONS

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HM84F13

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QTY OF SPEAKER/STROBES

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% VOLTAGE DROP =

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DISTANCE IN FEET:

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DISTANCE IN FEET

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CURRENT

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QTY OF STROBES

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SYSTEM VOLTAGE:

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WIRE GAUGE

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(VOLT DROP)

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AutoCAD SHX Text 22.43

AutoCAD SHX Text 25.6

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% DROP

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OPERATING VOLTAGE

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VOLTAGE DROP CALCULATION

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VOLTAGE DROP

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TOTAL AMPS

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X WIRE RESISTANCE

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AutoCAD SHX Text 1.785

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AutoCAD SHX Text 1.78

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AutoCAD SHX Text 25.6

AutoCAD SHX Text 3.17

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CURRENT DRAW

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CURRENT DRAW

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TOTAL

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NAC 1

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AutoCAD SHX Text 1.78

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OHMS

AutoCAD SHX Text 21.63

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AutoCAD SHX Text 3.97

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AutoCAD SHX Text 1.575

AutoCAD SHX Text 2.52

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QTY OF SPEAKER/STROBES

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OPERATING VOLTAGE

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% VOLTAGE DROP =

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DISTANCE IN FEET

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CURRENT

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(VOLT DROP)

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% DROP

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X WIRE RESISTANCE

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TOTAL AMPS

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SYSTEM VOLTAGE:

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TOTAL

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CURRENT DRAW

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CURRENT DRAW

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QTY OF STROBES

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NAC 2

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VOLTAGE DROP CALCULATION

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WIRE GAUGE

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DISTANCE IN FEET:

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OHMS

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QTY OF SPEAKER/STROBES

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OPERATING VOLTAGE

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QTY OF STROBES

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NAC 3

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VOLTAGE DROP CALCULATION

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WIRE GAUGE

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DISTANCE IN FEET:

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OHMS

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AutoCAD SHX Text 2.38

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QTY OF SPEAKER/STROBES

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OPERATING VOLTAGE

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% VOLTAGE DROP =

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DISTANCE IN FEET

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QTY OF STROBES

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NAC 4

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VOLTAGE DROP CALCULATION

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WIRE GAUGE

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DISTANCE IN FEET:

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OHMS

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QTY OF SPEAKER/STROBES

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OPERATING VOLTAGE

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QTY OF SPEAKER/STROBES

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OPERATING VOLTAGE

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VOLTAGE DROP CALCULATION

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WIRE GAUGE

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DISTANCE IN FEET:

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OHMS

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