ord-d-gs27l-c005.pdf

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REVDRAWING NO

DATE JCN

APPROVED BY

ISSUED BY

CHECKED

DRAWN

DESIGNED

SUBMITTED BY

REVIEWED BY

FEDERAL AVIATION ADMINISTRATION

DEPARTMENT OF TRANSPORTATION

REV

DATE

APPROVED

DESCRIPTION JCN

DATE

REDLINE

APVD

A

SEE NOTE 11

SJO CORD

3/C 14 AWG

GROUNDING CONDUCTOR

12 AWG GREEN THWN

SEE NOTE 11

SJO CORD

3/C 14 AWG

NEUT

GND

GND

120V LINE 2

120V LINE 1

IN 1" GRS

12 AWG THWN

120V LINE 2

120V LINE 1YELLOW

YELLOW

240V

240V

240V

LIGHTS

120V OBSTRUCTION

HEATERS

240V ANTENNA

OR EQUAL

SERIES NO. 860-1R01-002

LIGHT, DIALIGHT 860

DUAL L.E.D. OBSTRUCTION

ASSEMBLY 14 AWG 3/C SJO

ANTENNA HEATER CABLE

COUPLING (TYPICAL)

1" GRS CONDUIT

ASSEMBLY 14 AWG 3/C SJO

ANTENNA HEATER CABLE

ASSEMBLY 14 AWG 3/C SJO

ANTENNA HEATER CABLE

SEE NOTE 6.

CONNECTOR HUB.

2 1/2" WATER-TIGHT

CONDUIT 45° EL

2 1/2" PVC

COUPLING (TYPICAL)

2 1/2" PVC CONDUIT

(TYPICAL)

2 1/2" PVC CONDUIT

TOP OF CONCRETE FOUNDATION

CONDUIT EXTENDS 6’-0" ABOVE

SURFACE

CONCRETE FOUNDATION

DOWN CONDUCTOR

THOMPSON NO. 32

GROUND WIRE

2 AWG BARE COPPER

DOWN CONDUCTOR

THOMPSON NO. 32

PVC CONDUIT

1" GRS OR 2 1/2"

HEX NUT

W/ GALVANIZED

MACHINE SCREW

1/4"-20 2 1/2"

HANGER (1" OR 2 1/2")

GALVANIZED CONDUIT

HEX NUT

W/ GALVANIZED

MACHINE SCREW

1/4"-20 2 1/2"

CONDUIT HANGER

1/2" GALVANIZED

NUT, 1/4"-20

GALVANIZED HEX

LOCK WASHER AND

SCREW W/FLAT AND

1/4"-20 2 1/2" MACHINE

RELIEF BUSHING

RAIN-TIGHT STRESS

TO ANTENNA

FOR CONNECTION

CIRCUIT, LEAVE 12’ COIL

TO ANTENNA HEATER

SPLICE 3/C 14 AWG SJO

NUT (TYPICAL OF 2 PER BOLT)

"-9 STAINLESS STEEL HEX 7/8

" STAINLESS STEEL LOCK WASHER7/8

GROUND ROD

STAINLESS

" X 10’ 3/4

12 AWG THWN

1" GRS CONDULET TEE

1" GRS CONDULET TEE

1" GRS CONDULET TEE

12 AWG BLK THWN

1" GRS CONDULET TEE

CONCRETE FOUNDATION

50’ ANTENNA TOWER LEG

24" AIR TERMINAL. SEE NOTE 8.

TO THRESHOLD

NOT TO SCALE

NOT TO SCALE

NOT TO SCALE

1" GRS CONDUIT (TYPICAL)

1" GRS CONDUIT 45° EL

1" GRS CONDUIT 45° EL

SEE NOTE 7

1" GRS CONDUIT

TOWER LEG

DOWN CONDUCTOR, THOMPSON NO. 32

NOT TO SCALE

1" GRS CONDULET TEE

CL

ANTENNA TOWER LIGHTNING PROTECTION

ANTENNA HEATER AND OBSTRUCTION LIGHT WIRING

DETAIL

NOT TO SCALE

SLOPE SHELTER

ON OUTSIDE WALL OF GLIDE

JUNCTION BOX MOUNTED

RF & CONTROL INTERFACE

2 1/2" PVC CONDUIT TO

SHELTER.

OF GLIDE SLOPE EQUIPMENT

MOUNTED ON OUTSIDE WALL

INTERFACE JUNCTION BOX

1" GRS CONDUIT TO POWER

NOT TO SCALE

ANTENNA TOWER BRACE

DETAIL DETAIL

DETAIL

TYP CONDUIT MOUNTING

DETAIL

DETAIL

ANTENNA TOWER GROUNDING

DETAIL

CL

(NOTE 13)

1" GRS CONDULET TEE

(NOTE 13)

1" GRS CONDULET TEE

(NOTE 13)

1" GRS CONDULET TEE

CONDUIT

1" SCH 80 PVC

CONDUIT

1" SCH 80 PVC

PER NOTE 13.

2 1/2" PVC CONDULET

TEE PER NOTE 13.

2 1/2" PVC CONDULET

TEE PER NOTE 13.

2 1/2" PVC CONDULET

SEE NOTE 4

TOWER GROUND ASSEMBLY.

SEE NOTE 7

GROUND ROD.

STAINLESS

3/4" X 10’

12" SWEEP RADIUS MIN

1" PVC CONDUIT, 45 33/64 EL,

CONDUCTOR. SEE NOTE 4

2 AWG BARE GROUNDING

SEE NOTES 9, 10 & 14.

7/8"-9 x 18" ANCHOR BOLT.

SEE NOTES 9, 10 AND 14

7/8"-9 x 18" ANCHOR BOLT

SEE NOTE 8

DOWN CONDUCTOR.

THOMPSON NO. 32

BLACK

WHITE

SHELTER PER SHEET GLD-GS27L-E-604

CONTINUES AROUND GLIDE SLOPE

COUNTERPOISE 30" BELOW GRADE.

4/0 AWG BARE COPPER GROUNDING

ORD-D-GS27L-C005-1. NOTE 12.

SHEET GLD-GS27L-E-601

RAIL PER DETAILS "3" AND "4",

GALVANIZED SAFETY CLIMB

DETAIL

PART NO. 24619

CAT. NO. LCD-8

TECHNOLOGY, INC.

ENVIRONMENTAL

CONTROLLER,

AUTOMATIC DEICING

DETAIL "1".

LIGHT. SEE

OBSTRUCTION

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

14.

13.

12.

01’ 1’ 2’

SCALE: 1" = 1’-0"

CONTRACTOR SHALL ENSURE AT LEAST 2 THREADS ARE EXPOSED ABOVE NUT WHEN COMPLETE.

THE TEE OF EACH CONDULET SHALL BE ORIENTED PARALLEL TO THE ANTENNA FACE.

TO CENTER OF ANTENNA MAST.

INSTALL CLIMBING LADDER CLOSE TO REAR LEG OF ANTENNA MAST. THIS WILL ALLOW ACCESS

CONTRACTOR SHALL SUBMIT CATALOG CUT OF PROPOSED SJO CORD FOR APPROVAL.

ALL THREADED ENDS SHALL HAVE AN ANIT-SEIZE COMPOUND APPLIED TO IT.

REFER TO GOVERNMENT-FURNISHED PROPERTY LIST (GFPL) FOR ITEMS FURNISHED BY THE FAA.

THE TOWER USING THOMPSON CLAMPS @ 3’ O.C. MAX. DOWN CONDUCTORS SHALL TERMINATE AT SEPARATE GROUNDING RODS. SEE NOTE 7.

LONG AIR TERMINAL, THOMPSON NO. 572, AND THOMPSON NO. 32 DOWN CONDUCTOR ON THE OUTSIDE OF TWO TOWER LEGS, SECURED TO

ANTENNA TOWER LIGHTNING PROTECTION SHALL BE INSTALLED PER THE REQUIREMENTS OF NFPA 78. CONTRACTOR SHALL INSTALL A 24"

ALL CONNECTIONS TO GROUNDING RODS SHALL BE MADE USING EXOTHERMIC WELDS PER SPECIFICATIONS.

4" FROM THE BACK.

THE CONDUIT SHALL ENTER THE TOP OF THE RF AND CONTROL INTERFACE JUNCTION BOX AS CLOSE TO THE SIDE AS POSSIBLE, CENTERED

ANTENNA RF CABLES WILL BE FURNISHED AND INSTALLED BY FAA INSTALLATION PERSONNEL.

ASSEMBLY, ANOTHER LEG AND THE ANTENNA TOWER. SEE NOTE 7.

2 AWG BARE COPPER WIRE #REPLACED WITH A 2 AWG BARE COPPER WIRE. THE CONTRACTOR MUST FURNISH AND INSTALL A SECOND

TOWER GROUND ASSEMBLY IS PROVIDED WITH A 6 AWG BARE COPPER WIRE ATTACHED. THE 6 AWG BARE COPPER SHALL BE REMOVED AND

CONDUIT.

EACH CONDULET SHALL BE ORIENTED TOWARD THE ANTENNA. INSTALL REDUCING BUSHINGS IN THE TEE TO FACILITATE INSTALLATION OF A 1"

INSTALLED ON THE 2 1/2" PVC CONDUIT FOR EACH GLIDE SLOPE ANTENNA, CENTERED AT THE ANTENNA’S HEIGHT ABOVE GRADE. THE TEE OF

1" RIGID GALVANIZED STEEL CONDUIT AND 2 1/2" PVC CONDUIT SHALL BE INSTALLED PER DETAIL "6". A 2 1/2" PVC CONDULET SHALL BE

CONDUITS SHALL BE CLAMPED TO ANTENNA TOWER STRUCTURAL MEMBERS ON TOWER FACE OPPOSITE FACE WITH LADDER AT 5’-0" O.C. MAX.

THE OBSTRUCTION LIGHT SHALL BE OPERATIONAL BEFORE DUSK OF THE FIRST DAY THAT THE ANTENNA TOWER IS ERECTED.

NOTES:

SHEET ORD-D-GS27L-C005-1

ATTACH PER DETAIL "6",

GALVANIZED STEEL LADDER

EQUIPMENT SHELTER. (NEMA 4X)

WALL OF GLIDE SLOPE

BOX MOUNTED ON OUTSIDE

POWER INTERFACE JUNCTION

NOT TO SCALE

HEATER

ANTENNA

GLIDE SLOPE

INTERMATIC TIMER CNTL

LOAD 1 (N.O.) LINE 1

LOAD 2 (N.C.) LINE 2

PANEL

POWER

LI

L2

GND

CNTL

HEATER

LCD-8

Y Y BLKWHT

"LINE 2 TO LOAD 2" IS CLOSED WHEN TIMER IS OFF

"LINE 1 TO LOAD 1" IS CLOSED DURING TIMER OPERATION

NOTE:

A

B

C

SLOPE SHELTER (NEMA 4X)

ON OUTSIDE WALL OF GLIDE

JUNCTION BOX MOUNTED

RF & CONTROL INTERFACE

ANTENNA HEATER TIMER CIRCUIT

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10/31/2019 1898272

ORD-D-GS27L-C005

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ENGINEERING SERVICES

GS

CHICAGO O’HARE INTERNATIONAL AIRPORTCHICAGO

PROJECT ENGINEER MGR: ENGINEERING

o rd -d -g s l-c .d g n

THIS DRAWING PRODUCED ON THE AGL REGION MICROSTATION SYSTEM

ATO - TECHNICAL OPERATIONS CENTRAL SERVICE AREA

GLIDE SLOPE - RUNWAY 27L

ANTENNA MAST DETAILS

LKN