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>> THE NASA LANGLEY STEAM PLANT

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MAINTAINS OVER TWO MILES

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OF UNDERGROUND TUNNELS THAT

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STRETCH TO NEARLY ALL

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OF THE CENTER'S 250 BUILDINGS.

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THESE UTILITY TUNNELS ARE

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IN SERVICE 24/7,

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365 DAYS A YEAR.

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THE HIGH ENERGY OF

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THESE UTILITIES, COMBINED WITH

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DANGEROUS CONDITIONS WITHIN

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THE TUNNELS, MEANS THAT

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YOUR SAFETY IS CRITICAL.

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IF YOU'RE GONNA ENTER

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A UTILITY TUNNEL HERE AT

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NASA LANGLEY, THIS VIDEO WILL

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TELL YOU WHAT YOU NEED TO KNOW

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AND WHAT CONDITIONS TO EXPECT.

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SO LET'S GET STARTED.

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ALL VISITORS TO BUILDING 1215

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MUST CHECK IN WITH 

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THE PLANT OPERATOR AND OBTAIN

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PERMISSION TO ENTER THE TUNNEL.

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THEN YOU'LL BE ASKED TO WATCH

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THIS VERY IMPORTANT

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SAFETY VIDEO.

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[ INDISTINCT CHATTER ]

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>> THE BUDDY SYSTEM IS REQUIRED

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WHEN INSIDE A UTILITY TUNNEL.

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AND YOU MUST ALWAYS REMAIN

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IN LINE OF SIGHT OF EACH OTHER.

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AS YOU ENTER THE TUNNEL,

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PAY ATTENTION TO

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THE AIR LOCK DOORS.

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THE FIRST DOOR MUST BE TIGHTLY

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 CLOSED BEFORE THE SECOND DOOR

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IS OPENED TO AVOID

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VERY SERIOUS HAND INJURIES.

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STEAM PLANT PERSONNEL

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WILL GIVE YOU THE SAFEST

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AND MOST EFFICIENT ROUTE

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TO AND FROM YOUR WORK AREA.

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WHEN YOU GET TO THE LOCATION

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WHERE YOU'LL BE WORKING,

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SIMPLY LIFT THE NEAREST

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BLACK PHONE AND NOTIFY

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THE PLANT OPERATOR THAT

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YOU ARE AT YOUR WORKSITE

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AND HAVE LOCATED 

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THE NEAREST EXIT.

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[ MUSIC ]

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>> IN THE EVENT OF AN EMERGENCY,

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STEAM PLANT OPERATORS

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WILL FLICK THE TUNNEL LIGHTS

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OFF AND ON, SIGNALING YOU

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TO LEAVE.

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WHEN EXITING THE TUNNEL

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THROUGH A HATCH FOR ANY REASON,

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ALWAYS NOTIFY THE OPERATOR

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BY USING THE BLACK TELEPHONES.

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>> STEAM PLANT.

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>> AND NEVER LEAVE

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OPEN HATCHES UNATTENDED.

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IMMEDIATELY CLOSE HATCHES

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AFTER ENTERING OR EXITING

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TO PREVENT TRIPS OR FALLS.

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PIPING INSIDE UTILITY TUNNELS

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CAN BE FOUND ALONG THE GROUND,

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WALLS, AND CEILING.

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THESE PIPES CAN BE EXTREMELY

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HOT, AS HOT AS 425 DEGREES.

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PRECAUTIONS SHOULD BE TAKEN

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TO PREVENT BURNS.

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NEVER TOUCH UNINSULATED PIPING.

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PROTECTIVE CLOTHING LIKE

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LONG SLEEVES, LONG PANTS,

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AND EVEN KEVLAR SLEEVES

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ARE APPROPRIATE.

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WHILE WORKING, CONTINUE

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TO DRINK WATER.

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YOU SHOULD BE CONSUMING

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8 OUNCES EVERY 15 TO 20 MINUTES.

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THERE ARE ALSO COOLING VESTS

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AVAILABLE IN THE STEAM PLANT

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OFFICE.

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YOU SHOULD CONSTANTLY MONITOR

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YOUR BUDDY AND OTHERS

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IN YOUR TEAM FOR

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HEAT STRESS SYMPTOMS.

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IF ANY EMPLOYEE IS SUFFERING

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FROM HEAT-RELATED ILLNESS 

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OR SHOWING SIGNS OF DISTRESS,

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REMEMBER: USE THE RED

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EMERGENCY PHONE TO GET HELP,

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THEN ASSIST HIM OR HER

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TO THE NEAREST EXIT IMMEDIATELY.