1995 METRIC CSJ SPECIAL SPECIFICATION ITEM 6573 CCTV CENTRAL EQUIPMENT

Transcription

1 1995 METRIC CSJ SPECIAL SPECIFICATION ITEM 6573 CCTV CENTRAL EQUIPMENT 1.0 DESCRIPTION. THIS ITEM SHALL GOVERN FOR THE FURNISHING AND INSTALLATION OF CLOSED CIRCUIT TELEVISION (CCTV) CENTRAL EQUIPMENT IN THE LOCATIONS AS SHOWN ON THE PLANS AND AS DETAILED IN THE SPECIAL SPECIFICATIONS. 2.0 MATERIALS. 2.1 GENERAL REQUIREMENTS. ALL MATERIALS FURNISHED, ASSEMBLED, FABRICATED, OR INSTALLED UNDER THIS ITEM SHALL BE NEW, CORROSION RESISTANT, AND IN STRICT ACCORDANCE WITH THE DETAILS SHOWN ON THE PLANS AND IN THE SPECIFICATIONS. 2.2 FUNCTIONAL REQUIREMENTS. THE CONTRACTOR SHALL FURNISH AND INSTALL AT THE LOCATIONS SHOWN ON THE PLANS CCTV CENTRAL EQUIPMENT TO CONTROL THE VIDEO CAMERAS IN THE FIELD AND THE VIDEO SIGNALS IN THE CONTROL CENTER. THE CCTV CENTRAL EQUIPMENT SHALL INCLUDE, BUT NOT BE LIMITED TO, THE FOLLOWING: - CAMERA CONTROLLER; - VIDEO SWITCHER; - VIDEO MONITORS (COLOR); - DISTRIBUTION AMPLIFIERS; - DATA BROADCAST UNIT; - RS-232 PORT COMBINER; - VIDEO PATCH PANEL; - SIGNAL GENERATOR; - WAVEFORM MONITOR; - HANDHELD WAVEFORM MONITOR WITH VECTORSCOPE; AND - VIDEO TIMING METER - POWER SUPPLIES, CONNECTORS, HARNESS, AND ACCESSORIES. THE CONTRACTOR SHALL SUBMIT A LAYOUT OF INDIVIDUAL RACK MOUNT COMPONENTS FOR APPROVAL BY THE ENGINEER CAMERA CONTROLLER. THE CAMERA CONTROLLER SHALL PROVIDE ALL JUNCTIONS FOR CONTROLLING THE FIELD CAMERAS. THESE FUNCTIONS ARE DESCRIBED IN THE CAMERA RECEIVER SECTION OF THE SPECIAL SPECIFICATION, "CCTV FIELD EQUIPMENT". THE CAMERA CONTROLLER SHALL BE RACK MOUNTABLE IN A STANDARD 485 MILLIMETER RACK. THE FOLLOWING CONTROLS SHALL BE ON THE FRONT PANEL: JOYSTICK CAMERA SELECTION KEYPAD MANUAL/AUTOMATIC IRIS ZOOM FOCUS WHITE BALANCE

2 THE JOYSTICK SHALL HAVE TACTILE FEEDBACK. THE CAMERA SELECTION KEYPAD SHALL HAVE FUNCTION BUTTONS FOR CAMERA SELECTION IN ADDITION TO THE NUMERIC BUTTONS. CAMERAS IN THE ADDRESS RANGE SHALL BE SELECTABLE FROM THE KEYPAD. INITIATION OF ANY CAMERA CONTROL FUNCTION SHALL CAUSE A RS-232 CONTROL MESSAGE TO BE ISSUED FROM THE CAMERA CONTROLLER. THE RS-232 OUTPUT INTERFACE SHALL BE AN INTEGRAL PART OF THE CAMERA CONTROLLER, AND NO EXTERNAL CONVERTERS SHALL BE USED. THIS CONTROL MESSAGE SHALL BE COMPATIBLE WITH THE CAMERA RECEIVER. NO EXTERNAL PROTOCOL TRANSLATION UNITS ARE PERMITTED. AN EXTERNAL RS-232 COMPATIBLE INPUT PORT SHALL BE PROVIDED FOR THE HOST CONTROL OF THE CAMERA CONTROLLER. ALL FRONT PANEL FUNCTIONS SHALL BE ALTERNATELY AVAILABLE BY TRANSMITTING EXTERNAL ASYNCHRONOUS SERIAL MESSAGES TRANSMITTED TO THE RS-232 INPUT PORT. THE RS-232 INPUT PORT SHALL ALLOW CONTROL BY AN EXTERNAL PERSONAL COMPUTER OR A COMMUNICATION LINK FROM SATELLITE CONTROL CENTER NO. 1, AT SELECTABLE DATA RATES FROM 300 BAUD TO 19,200 BAUD. THE CAMERA CONTROLLER SHALL BE COMPATIBLE WITH REMOTE CONTROL MESSAGES ISSUED FROM THE EXISTING MPC CAMERA CONTROLLER IN SATELLITE CONTROL CENTER NO. 1. THE RS-232 OUTPUT PORT SHALL BE CONNECTED TO THE CODE BROADCAST UNIT, VIA THE RS-232 PORT COMBINER, AS SHOWN ON THE PLANS. THE CONTRACTOR SHALL SUPPLY OPERATING MANUALS FOR THE CAMERA CONTROLLER, AS WELL AS A DETAILED TECHNICAL MANUAL DESCRIBING THE COMMUNICATION PROTOCOL FOR BOTH THE RS-232 INPUT AND OUTPUT PORTS. A PRESET PANEL SHALL BE PROVIDED, WITH PROVISIONS FOR A MINIMUM OF 10 PRESET POSITIONS PER CAMERA. THE PRESET PANEL SHALL BE RACK MOUNTABLE IN A STANDARD 485 MILLIMETER RACK, AND SHALL EITHER BE AN INTEGRAL PART, OR PLACED ADJACENT TO, THE CAMERA CONTROLLER UNIT VIDEO SWITCHER. THE NTSC VIDEO SWITCHER SHALL HAVE 32 INPUTS AND 16 OUTPUTS. THE VIDEO SWITCHER SHALL BE AN ELECTRONIC MATRIX SWITCHER WHICH ALLOWS ANY COMBINATION OF THE INPUTS TO BE SWITCHED TO ANY SINGLE OUTPUT WITHOUT AFFECTING THE STATE OF OTHER OUTPUTS. THE ACTUAL SWITCHING SHALL TAKE PLACE DURING THE VERTICAL BLANKING INTERVAL IN ACCORDANCE WITH SMPTE RP168. THE NTSC VIDEO SWITCHER SHALL ACCEPT NTSC COLOR COMPOSITE VIDEO INPUT SIGNALS AND SHALL PROVIDE NTSC COLOR COMPOSITE VIDEO OUTPUT SIGNALS. VIDEO SWITCHER CONTROL SHALL BE BOTH BY A MANUAL CONTROL PANEL AND AN AUXILIARY RS-232 INPUT PORT. THE RS-232 INPUT PORT SHALL ALLOW CONTROL BY AN EXTERNAL PERSONAL COMPUTER OR A COMMUNICATION LINK AT SELECTABLE DATA RATES FROM 300 BAUD TO 19,200 BAUD. THE CONTRACTOR SHALL SUPPLY WINDOWS 95 SOFTWARE FOR CONTROLLING THE VIDEO SWITCHER. BOTH SWITCH COMMANDS AND STATUS RETURN INFORMATION SHALL BE HANDLED BY THE RS-232 PORT. THE MANUAL CONTROL PANEL SHALL DISPLAY THE SOURCE AND DESTINATION, AND SHALL PROVIDE MOMENTARY TYPE BUTTONS TO SELECT THE SOURCE AND DESTINATION. THE VIDEO SWITCHER SHALL BE WIRED IN ACCORDANCE WITH THE SCHEMATIC DIAGRAM ON THE PLANS. THE CONTRACTOR SHALL SUPPLY OPERATING MANUALS FOR THE VIDEO SWITCHER, AS WELL AS A DETAILED TECHNICAL MANUAL DESCRIBING THE COMMUNICATION PROTOCOLS FOR THE RS-232 INPUT PORT VIDEO MONITOR. TWO (2) 330 MILLIMETER MINIMUM (MEASURED DIAGONALLY) COLOR VIDEO MONITORS SHALL BE PROVIDED IN THE CONTROL CENTER. THESE MONITORS SHALL BE RACK MOUNTED IN A STANDARD 485 MILLIMETER RACK MOUNT. THE MONITORS SHALL HAVE THE FOLLOWING REQUIREMENTS: VIDEO SIGNAL: COLOR SYSTEM: EIA 525 LINES, 60 FIELDS NTSC

3 VIDEO INPUT: COMPOSITE 1 V P-P OPERATING TEMPERATURE: 0 C TO 40 C DISTRIBUTION AMPLIFIERS. RACK MOUNTED, MODULAR, DISTRIBUTION AMPLIFIERS (DA) SHALL BE PROVIDED AT LOCATIONS SHOWN ON THE PLANS. EACH DA SHALL HAVE A MINIMUM OF TWO (2) OUTPUTS. LOADING OF EITHER OUTPUT SHALL NOT AFFECT THE SIGNAL ON THE OTHER OUTPUT. THE DA SHALL HAVE A NOMINAL INPUT AND OUTPUT IMPEDANCE OF 75 OHMS, AND MUST NOT INTRODUCE ANY MEASURABLE DISTORTION TO THE SIGNAL. EACH DA OR GROUP OF DA SHALL HAVE A BACKUP POWER SUPPLY WHICH WILL AUTOMATICALLY SUPPLY POWER IN THE EVENT OF A FAILURE OF THE PRIMARY UNIT. ALL DA INPUTS AND OUTPUTS, INCLUDING A MINIMUM OF ONE (1) MONITORING OUTPUT, SHALL BE ROUTED THROUGH THE PATCH PANEL DATA BROADCAST UNIT. THE CONTRACTOR SHALL PROVIDE DATA BROADCAST UNITS TO PROVIDE AN RS-232 SIGNAL FROM THE CAMERA CONTROLLER TO 16 OUTPUTS AS SHOWN ON THE PLANS. THE DATA BROADCAST UNIT SHALL BE RACK MOUNTED AND SHALL BE CAPABLE OF BEING EXPANDED TO UP TO 96 PORTS RS-232 PORT COMBINER THE CONTRACTOR SHALL FURNISH AND INSTALL AN RS-232 PORT COMBINER IN THE LOCATIONS SHOWN ON THE PLANS. THE RS-232 PORT COMBINER SHALL PERMIT TWO (2) SLAVE SERIAL PORTS TO SHARE A HOST PORT. WHEN ONE (1) OF THE DEVICES ON EITHER OF THE SLAVE PORTS TRANSMITS DATA, IT SHALL CAPTURE THE DATA PATH TO THE MASTER PORT AND LOCK OUT THE DATA PATH OF THE OTHER SLAVE PORT. WHEN DATA TRANSMISSION IS FINISHED EITHER SLAVE PORT SHALL GET ACCESS TO THE HOST PORT BY BEING THE FIRST TO START SENDING DATA. ALSO, ANY DATA TRANSMITTED FROM THE HOST PORT IS BROADCAST TO BOTH SLAVE PORTS VIDEO PATCH PANEL. THE CONTRACTOR SHALL INSTALL A VIDEO PATCH PANEL IN THE RACKS TO ACCESS VIDEO SIGNALS FOR MONITORING. THE PATCH PANEL SHALL BE WIRED AS SHOWN ON THE PLANS, AND SHALL CONSIST OF 32 FEMALE BNC CONNECTORS. THE LOCATION OF THE PATCH PANEL SHALL BE APPROVED BY THE ENGINEER. EACH BNC CONNECTOR SHALL BE LABELED FOR EASY IDENTIFICATION BY A SERVICE TECHNICIAN SIGNAL GENERATOR. THE CONTRACTOR SHALL SUPPLY A PORTABLE VIDEO SIGNAL GENERATOR CAPABLE OF SUPPLYING THE FOLLOWING INDUSTRY STANDARD SIGNALS: - MULTI-BURST FROM 0.5 MHZ TO 4.5 MHZ WITH STEPS NOT GREATER THAN ONE (1) MHZ - CROSS HATCH PATTERN - MINIMUM OF SEVEN (7) X 11 LINES. - SMPTE STANDARD COLOR BARS WITH THREE STEP BLACK PLUG. OUTPUT MUST BE ONE (1) VOLT P-P WITH 75 OHM IMPEDANCE, RESPONSE FLATNESS PLUS OR MINUS ONE (1) PERCENT TO 10 MHZ. SIGNALS SHALL CONFORM TO THE EIA-170 STANDARD. THESE SIGNALS SHALL BE SWITCH SELECTABLE TO ONE (1) OUTPUT OF THE GENERATOR. THE GENERATOR OUTPUT CONNECTOR SHALL BE THE BNC TYPE WITH APPROPRIATE CABLES AND ADAPTERS SUPPLIED. THE GENERATOR SHALL BE OPERABLE FROM BOTH 120 VOLT 60 HZ AC POWER AND FROM A 12 VOLT AUTOMOTIVE BATTERY WAVEFORM MONITOR. A CALIBRATED WAVEFORM MONITOR SHALL BE PERMANENTLY MOUNTED IN THE EQUIPMENT RACK, NEAR THE PATCH BAY, AND IN EASY VIEWING DISTANCE OF ALL VIDEO SIGNAL LEVEL ADJUSTMENTS. THE WAVEFORM MONITOR SHALL OBTAIN ITS "A" INPUT SIGNAL FROM AN OUTPUT OF THE ROUTING SWITCHER/TITLER. THE SIGNAL SHALL BE LOOPED THROUGH THE PATCH

4 BAY AND LOOPED THROUGH THE WAVEFORM MONITOR, WHERE IT SHALL BE TERMINATED WITH A ONE (1) PERCENT TOLERANCE, 75 OHM, TERMINATOR. THE "B" INPUT SHALL BE AVAILABLE AT A JACK ON THE PATCH PANEL. THE WAVEFORM MONITOR SHALL HAVE THE FOLLOWING CHARACTERISTICS: - A MINIMUM OF A 127 MILLIMETER DIAGONAL VIEWING AREA. - FREQUENCY RESPONSE FROM 25 HERTZ TO 10 MHZ FLAT PLUS OR MINUS ONE (1) PERCENT. - FULL SCALE VERTICAL DEFLECTION OF 140 IRE UNITS PLUS OR MINUS ONE (1) PERCENT. - INTERNAL 1.0 VOLT, PLUS OR MINUS ONE (1) PERCENT, CALIBRATION SIGNAL. - IT MUST BE POSSIBLE TO VIEW SIGNALS AT EITHER THE HORIZONTAL OR VERTICAL RATE AND A MEANS MUST BE PROVIDED FOR EXPANDING ANY PART OF THE SIGNAL DISPLAY EITHER VERTICALLY OR HORIZONTALLY. - IT SHALL HAVE TWO (2) SIGNAL INPUTS. THE VIEWED SIGNAL AND THE SCOPE SYNCHRONIZATION MUST EACH BE CAPABLE OF BEING DERIVED FROM EITHER INPUT. - INPUT RESPONSE MUST BE SELECTABLE BETWEEN: FLAT, IRE, CHROMA ONLY, AND DIFFERENTIAL GAIN. - A SWITCHABLE DC RESTORER MUST BE PROVIDED TO MAINTAIN DISPLAY STABILITY WITH VARYING APL. - MOUNTING HARDWARE SHALL BE SUPPLIED TO FIT A 485 MILLIMETER RACK, WITH ANY SPACE NOT USED FILLED IN WITH BLANK-OUT PANELS HANDHELD WAVEFORM MONITOR WITH VECTORSCOPE. A HANDHELD MULTIFUNCTION NTSC MONITOR SHALL BE REQUIRED FOR THE ANALYSIS OF ANALOG COMPOSITE VIDEO SYSTEMS. THE MONITOR SHALL BE CAPABLE OF SETTING UP, TIMING AND TROUBLESHOOTING COMPLEX VIDEO SYSTEMS. THE HANDHELD UNIT SHALL HAVE, AS A MINIMUM, THE FOLLOWING FEATURES: - POWERED BY EITHER RECHARGEABLE BATTERIES OR AC. - PORTABLE WITH CARRYING CASE. - MINIMUM MILLIMETER COLOR LCD DISPLAY. - PICTURE MONITOR. - WAVEFORM MONITOR WITH EXTERNAL REFERENCE; 1H, 2H AND 2V SWEEPS; X1, X5 AND VARIABLE VERTICAL GAIN; FLAT AND LUMINANCE FILTERS; AND AN ALARM MODE WHICH PROVIDES QUICK FEEDBACK WHEN VIDEO LEVELS EXCEED ACCEPTED STANDARDS. ALL DISPLAY CONTROLS SHALL BE SELECTABLE THROUGH SIMPLE, ON-SCREEN MENUS. - VECTORSCOPE FUNCTIONS SHALL PROVIDE VARIABLE, X1 AND X5 GAIN SETTINGS AND A 360 DEGREE PHASE SHIFTER SELECTABLE VIA ON- SCREEN MENUS. - LINE SELECT DISPLAY. - WAVEFORM-IN-PICTURE MODE. - VIDEO OUTPUT FOR ROUTING TO EXTERNAL DISPLAY VIDEO TIMING METER. THE CONTRACTOR SHALL DELIVER TO THE ENGINEER A VIDEO TIMING METER (VTM) TO BE USED TO BRING CCTV CAMERA SIGNALS INTO SYNCHRONIZATION SO THAT MONITORS AND RECORDERS CAN BE SWITCHED AMONG CAMERAS WITHOUT CAUSING "ROLLING" OF THE VIDEO SCENE. THE VTM SHALL BE A HAND-HELD, BATTERY OPERATED DIGITAL DISPLAY METER WITH CARRYING CASE. TWO (2) SHORT LENGTHS OF COAX WITH BNC CONNECTORS AND ALL REQUIRED ADAPTERS SHALL BE FURNISHED. INPUT VIDEO-NTSC STANDARD MONOCHROME OR COLOR VIDEO BASE-BAND. DISPLAY-THREE (3) DIGITAL LCD WITH TWO (2) DECIMAL POINT LOSS OF VIDEO INDICATORS. RANGE MINIMUM-ZERO (0) HORIZONTAL LINES

5 RANGE MAXIMUM-PLUS OR MINUS 262 HORIZONTAL LINES (262 HORIZONTAL LINES=1 VIDEO FIELD). ACCURACY-PLUS OR MINUS ONE (1) LINE. VIDEO CONNECTORS-TWO (2) BNC FEMALE. POWER REQUIREMENTS-STANDARD NINE (9) VOLT DC ALKALINE BATTERY. DIMENSIONS MILLIMETERS LONG X MILLIMETERS WIDE X 50 MILLIMETERS HIGH. 2.3 ELECTRICAL REQUIREMENTS CAMERA CONTROLLER. THE CAMERA CONTROLLER SHALL BE A VIDEO SWITCHER. THE VIDEO SWITCHER SHALL MEET THE FOLLOWING ELECTRICAL AND MECHANICAL REQUIREMENTS: - INPUT: BNC CONNECTORS, 75 OHM TERMINATING, ONE (1) V P-P COMPOSITE VIDEO MICROPROCESSOR-BASED DESIGN AND SHALL GENERATE DIGITAL CODES COMPATIBLE WITH THE FIELD CONTROLLERS. TRANSMIT DATA AND OTHER HAND-SHAKE CONTROL OUTPUT SHALL BE COMPATIBLE WITH THE CHANNEL CARDS OF THE D/I MULDEMS. ALL INTERFACE AND PROTOCOL INFORMATION SHALL BE PROVIDED TO THE ENGINEER BY THE CONTRACTOR WITH THE REQUIRED SYSTEM DOCUMENTATION. - INPUT RETURN LOSS: 45 DB OR GREATER AT FIVE (5) MHZ. - FREQUENCY RESPONSE: PLUS OR MINUS 0.05 DB FROM 100 KHZ TO FIVE (5) MHZ; PLUS OR MINUS 0.1 DB TO 10 MHZ; PLUS OR MINUS 0.25 DB TO 30 MHZ; PLUS OR MINUS 0.5 DB TO 50 MHZ; PLUS 0.5 TO MINUS TWO (2) DB TO 100 MHZ (1 MHZ REFERENCE). - GAIN: ANY INPUT TO ANY OUTPUT SHALL BE UNITY, WITH PLUS OR MINUS 0.05 DB STABILITY. - CROSSTALK ISOLATION: 62 DB MINIMUM TO FIVE (5) MHZ; 50 DB MINIMUM TO 25 MHZ; 40 DB MINIMUM TO 50 MHZ; 30 DB MINIMUM TO 100 MHZ. - BANDWIDTH: 100 MHZ OR BETTER. - HUM AND NOISE: MINUS 80 DB RMS, 10 MHZ; MINUM 70 DB, 100 MHZ. - OUTPUT: BNC CONNECTORS; 75 OHM SOURCE TERMINATED. - OUTPUT RETURN LOSS: 40 DB AT FIVE (5) MHZ. - POWER SUPPLY: SHALL BE OPERATED AT LINE VOLTAGES OF 115 PLUS OR MINUS 10 PERCENT VAC, 60 HZ PLUS OR MINUS THREE (3) HZ. - THE NTSC VIDEO SWITCHER SHALL BE RACK MOUNTABLE IN A STANDARD 485 MILLIMETER RACK. THE ENGINEER SHALL SELECT ONE (1) CAMERA WHICH THE CONTRACTOR SHALL USE TO PROVIDE LINE SYNCHRONIZATION TIMING BY ADJUSTING THE VERTICAL PHASE IN ALL OTHER CAMERAS TO BE THE SAME AS THE SELECTED CAMERA (SEE ) VIDEO MONITOR. THE COLOR VIDEO MONITOR SHALL BE OF SOLID STATE DESIGN, WITH THE EXCEPTION OF THE PICTURE TUBE, AND SHALL MEET THE FOLLOWING REQUIREMENTS: - VIDEO INPUT-EIA-170 STANDARD, BLACK NEGATIVE POLARITY, COMPOSITE SIGNAL, BNC CONNECTOR, TERMINATION SELECTABLE BETWEEN HIGH IMPEDANCE LOOP THROUGH OR 75 OHMS. - RESOLUTION-350 LINES VERTICAL, 450 LINES HORIZONTAL, MEASURED PER EIA-170 STANDARD. - GEOMETRIC DISTORTION-TWO (2) PERCENT MAXIMUM

6 - GRAY SCALE-CAPABLE OF DISPLAYING 10 DISCERNIBLE SHADES OF GRAY. - SCANNING-2:1 INTERLACED, 525 LINES/FRAME, FRAMES PER SECOND PER EIA-170 STANDARD, SCANNING RATE 60 HZ VERTICAL, AND 15,750 HZ HORIZONTAL. - CONTROL FUNCTIONS-FRONT PANEL CONTROLS: POWER ON/OFF, CONTRAST, BRIGHTNESS, HORIZONTAL HOLD (IF USED), VERTICAL HOLD (IF USED), COLOR (CHROMA), AND HUE (TINT OR PHASE). - INTEGRAL MEANS SHALL BE PROVIDED FOR DEGAUSSING, EITHER AUTOMATICALLY AT POWER-UP, OR MANUALLY BY MEANS OF AN EXTERNAL PUSHBUTTON. - THE MONITOR SHALL NOT BE CAPABLE OF TELEVISION BROADCAST RECEPTION POWER REQUIREMENTS. THE CCTV CENTRAL EQUIPMENT SHALL MEET ALL OF ITS SPECIFIED REQUIREMENTS WHEN THE INPUT POWER IS 115 PLUS OR MINUS 20 VAC, 60 PLUS, OR MINUS THREE (3) HZ. THE MAXIMUM POWER REQUIRED SHALL NOT EXCEED 600 WATTS. THE EQUIPMENT OPERATION SHALL NOT BE AFFECTED BY TRANSIENT VOLTAGES, SURGES, AND SAGS NORMALLY EXPERIENCED ON COMMERCIAL POWER LINES. IT IS THE CONTRACTOR'S RESPONSIBILITY TO CHECK THE LOCAL POWER SERVICE TO DETERMINE IF ANY SPECIAL DESIGN IS NEEDED FOR THE EQUIPMENT. THE EXTRA COST, IF REQUIRED, SHALL BE INCLUDED IN THE BID PRICE OF THIS ITEM WIRING. ALL WIRING SHALL MEET THE REQUIREMENTS OF THE NATIONAL ELECTRIC CODE. ALL WIRES SHALL BE CUT TO PROPER LENGTH BEFORE ASSEMBLY. NO WIRE SHALL BE DOUBLED BACK TO TAKE UP SLACK. WIRES SHALL BE NEATLY LACED INTO CLAMPS. CABLE SLACK SHALL BE PROVIDED TO FACILITATE REMOVAL AND REPLACEMENT OF ASSEMBLIES, PANELS, AND MODULES TRANSIENT SUPPRESSION. ALL DC RELAYS, SOLENOLDS, AND HOLDING COILS SHALL HAVE DIODES ACROSS THE COILS FOR TRANSIENT SUPPRESSION POWER SERVICE PROTECTION. THE EQUIPMENT SHALL CONTAIN READILY ACCESSIBLE, MANUALLY RESETTABLE OR REPLACEABLE CIRCUIT PROTECTION DEVICES (SUCH AS CIRCUIT BREAKERS OR FUSES) FOR EQUIPMENT AND POWER SOURCE PROTECTION FAIL SAFE PROVISION. THE EQUIPMENT SHALL BE DESIGNED SUCH THAT THE FAILURES OF THE EQUIPMENT SHALL NOT CAUSE THE FAILURE OF ANY OTHER UNIT OR EQUIPMENT. 2.4 MECHANICAL REQUIREMENTS ENCLOSURE. THE CAMERA CONTROLLER, VIDEO SWITCHER/TITLER, CONTROL PANEL AND VIDEO MONITOR SHALL BE RACK MOUNTED AND SHALL BE LOCATED AS SHOWN ON THE PLANS MODULAR DESIGN. THE EQUIPMENT SHALL BE MODULAR IN DESIGN SUCH THAT MAJOR PORTIONS MAY BE READILY REPLACED IN THE FIELD. MODULES OF UNLIKE FUNCTIONS SHALL BE MECHANICALLY KEYED TO PREVENT INSERTION INTO THE WRONG SOCKET OR CONNECTOR. ALL MODULES AND ASSEMBLIES SHALL BE CLEARLY IDENTIFIED WITH NAME, MODEL NUMBER, SERIAL NUMBER, AND ANY OTHER PERTINENT INFORMATION REQUIRED TO FACILITATE EQUIPMENT MAINTENANCE

7 2.4.3 CONNECTORS AND HARNESS. ALL EXTERNAL CONNECTIONS SHALL BE MADE BY MEANS OF CONNECTORS. THE CONNECTORS SHALL BE KEYED TO PRECLUDE IMPROPER HOOKUPS. ALL WIRES TO AND FROM THE CONNECTORS SHALL BE COLOR CODED AND/OR APPROPRIATELY MARKED. PINS AND MATING CONNECTORS SHALL BE CORROSION RESISTANT. VIDEO SWITCHER/TITLER INPUT AND OUTPUT CONNECTORS AND THE VIDEO MONITOR INPUT SHALL BE THE BNC TYPE. 2.5 ENVIRONMENTAL DESIGN REQUIREMENTS. THE EQUIPMENT SHALL MEET ALL ITS SPECIFIED REQUIREMENTS DURING AND AFTER SUBJECTING TO ANY COMBINATION OF THE FOLLOWING CONDITIONS. - AMBIENT TEMPERATURE RANGE OF FOUR (4)ºC TO 50ºC. - RELATIVE HUMIDITY UP TO 90 PERCENT NON-CONDENSING. 3.0 CONSTRUCTION METHODS. 3.1 GENERAL. THE EQUIPMENT DESIGN AND CONSTRUCTION SHALL UTILIZE THE LATEST AVAILABLE TECHNIQUES WITH A MINIMUM NUMBER OF PARTS, SUBASSEMBLIES, CIRCUITS, CARDS, AND MODULES TO MAXIMIZE STANDARDIZATION AND COMMONALITY. THE EQUIPMENT SHALL BE DESIGNED FOR EASE OF MAINTENANCE. ALL COMPONENT PARTS SHALL BE READILY ACCESSIBLE FOR INSPECTION AND MAINTENANCE. TEST POINTS SHALL BE PROVIDED FOR CHECKING ESSENTIAL VOLTAGES AND WAVEFORMS. 3.2 ELECTRONIC COMPONENTS. ALL ELECTRONIC COMPONENTS SHALL COMPLY WITH SPECIAL SPECIFICATION, "ELECTRONIC COMPONENTS." 3.3 MECHANICAL COMPONENTS. ALL EXTERNAL SCREWS, NUTS, AND LOCKING WASHERS SHALL BE STAINLESS STEEL. NO SELF-TAPPING SCREWS SHALL BE USED UNLESS SPECIFICALLY APPROVED BY THE ENGINEER. ALL PARTS SHALL BE MADE OF CORROSION RESISTANT MATERIAL, SUCH AS PLASTIC, STAINLESS STEEL, ANODIZED ALUMINUM, OR BRASS. ALL MATERIALS USED IN CONSTRUCTION SHALL BE PROTECTED FROM FUNGUS GROWTH AND MOISTURE DETERIORATION. DISSIMILAR METALS SHALL BE SEPARATED BY AN INERT DIELECTRIC MATERIAL. 3.4 TESTING, DOCUMENTATION, AND WARRANTY. TESTING OF THE CCTV CENTRAL EQUIPMENT SHALL COMPLY WITH SECTION OF SPECIAL SPECIFICATION, "TESTING, TRAINING, DOCUMENTATION, FINAL ACCEPTANCE AND WARRANTY." DOCUMENTATION FOR THE CCTV CENTRAL EQUIPMENT SHALL COMPLY WITH SECTION 4.0 OF SPECIAL SPECIFICATION, "TESTING, TRAINING, DOCUMENTATION, FINAL ACCEPTANCE AND WARRANTY." WARRANTY FOR THE CCTV CENTRAL EQUIPMENT SHALL COMPLY WITH SECTION 6.0 OF SPECIAL SPECIFICATION, "TESTING, TRAINING, DOCUMENTATION, FINAL ACCEPTANCE AND WARRANTY." 4.0 MEASUREMENT. THIS ITEM WILL BE MEASURED BY THE LUMP SUM UNIT, COMPLETE IN PLACE; FOR THE COMPLETE WORK PERFORMED, AND MATERIAL AND EQUIPMENT FURNISHED, INSTALLED, MADE FULLY OPERATIONAL AND TESTED IN ACCORDANCE WITH THESE SPECIAL SPECIFICATIONS

8 5.0 PAYMENT. THE WORK PERFORMED AND MATERIALS FURNISHED IN ACCORDANCE WITH THIS ITEM AND MEASURED AS PROVIDED UNDER "MEASUREMENT" WILL BE PAID FOR AT THE UNIT PRICE BID FOR "CCTV CENTRAL EQUIPMENT." THIS PRICE SHALL BE FULL COMPENSATION FOR ALL EQUIPMENT DESCRIBED UNDER THIS ITEM WITH ALL CABLES AND CONNECTORS, ALL DOCUMENTATION AND TESTING, AND FOR FURNISHING ALL LABOR, MATERIALS, TRAINING, AND EQUIPMENT NECESSARY TO COMPLETE THE WORK