ord-d-gs27l-c003.pdf

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

/2

/2

:2

:5

P

M G re g o ry C

T R S p e n c e r

A

B

C

D

E

F

G

H

8 7 6 5 4 3 2 1

H

G

F

E

D

C

12345678

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

SCALE: 3" = 1’-0"

DETAIL

TOWER LEG

ANCHOR BOLT AND PLATE

L

BB

CONCRETE PIER FOUNDATION

PLAN

ELEVATION

120°

0°

SCALE: 1" = 1’-0"

DETAIL

B

SCALE: 1" = 1’-0"

SECTION

8’-0"

1’-7 1/2"4’-9"1’-7 1/2"

2’-4 1/2"

CONDUIT (TYP)

1" PVC

7 11/16" 2’-7 1/8"1’-6 1/8"

C L

1’-7 1/2"

ALL AROUND

3/4" CHAMFER

1" PVC CONDUIT (TYP)

PER DETAIL "3"

ANCHOR BOLT ASSEMBLY

CRUSHED AGG 6"

DETAIL "2"

4 TIES, 10" OC PER #

8 (TYPICAL)#

EACH WAY

6 T&B #8-

GEOTEXTILE

PIER REINFORCING

DETAIL

PLAN

PAVED PLOT AND ACCESS ROAD

TYPICAL SECTION FOR ASPHALT

EXISTING GRADE

WITHIN 5" FROM T/FDN.)

(3 PER SET - 2 SETS

4 TIES#

SPACED ALL AROUND

8 REBAR EQUALLY #20 -

ASPHALT 1 1/2" (FINISH)

ASPHALT 2 1/2" (BASE)

DETAIL "3" AND DETAIL "4"

ANCHOR BOLT ASSEMBLY PER

NOT TO SCALE

DETAIL

WASHERS (TYPICAL)

HEX NUTS AND

7/8" GALVANIZED

INSTALL

BOTH ENDS (TYPICAL)

WITH THREADS AT

ANCHOR BOLTS

GALVANIZED STEEL

7/8" x 24" LONG

INSTALL

PLATE PER DETAIL "4"

GALVANIZED STEEL

7" SQUARE, 3/8" THICK

INSTALL

AND FOUNDATION C

ANTENNA TOWER

FOUNDATION

BE FLUSH WITH TOP OF

TOP OF SURFACING SHALL

AND 1 1/2" COMPACTED DEPTH FINISH COURSE.

2 1/2" COMPACTED DEPTH BASE COURSE

TO 6" COMPACTED DEPTH PER SPECIFICATIONS.

PLACED GEOTEXTILE FABRIC, AND CRUSHED ROCK

REMOVED TOPSOIL, COMPACTED SUBGRADE,

E D

M

IS

S

U E

D F

O R

NAVAIDS

IL

10/31/2019 1898272

ORD-D-GS27L-C003

C O

N S

T R

U C

T

IO

N

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 TOWER FOUNDATION DETAILS

2.

3.

4.

5.

6.

7.

1.

NOTES:

HAVE ANTI-SEIZE APPLIED.

REMAIN ABOVE THE TOP NUT AFTER INSTALLATION. ALL EXTERIOR EXPOSED THREADED CONNECTIONS SHALL

PERFORMED IN THE PRESENCE OF DISTRICT PERSONNEL. ENSURE THAT A MINIMUM OF TWO TURNS WILL

WHAT THE TORUQE VALUE SHOULD BE AND WHAT THE TORQUE VALUE WAS SET TO. TORQUING SHALL BE

TOWER MAST NUTS SHALL BE TORQUED ACCORDINGLY AND DOCUMENTED. DOCUMENTATION SHALL SHOW

3000 PSF, AND A FROST DEPTH OF 42".

FOUNDATION IS BASED UPON A DESIGN WIND SPEED OF 90 MPH, A MINIMUM SOIL BEARING CAPACITY OF

REINFORCING STEEL SHALL BE DEFORMED BARS CONFORMING TO ASTM A615, GRADE 60 (60 KSI YIELD).

PLACEMENT, AND CURING REQUIREMENTS.

AND BROOM FINISHED. SEE THE SPECIFICATIONS FOR CONCRETE FORM WORK, REINFORCEMENT, MATERIAL, MINIMUM COMPRESSIVE STRENGTH OF 3000 PSI AFTER 28 DAYS. FOUNDATION TOP SHALL BE LEVEL 1/8"

CONCRETE SHALL HAVE A MAXIMUM SLUMP OF 3", 3/4" MAXIMUM AGGREGATE SIZE, AND SHALL ATTAIN A

CONCRETE DESIGN, MATERIAL, AND WORKMANSHIP SHALL CONFORM TO THE DESIGN DRAWINGS.

TO 95% OPTIMUM DENSITY.

OR SHAPED PER OSHA REQUIREMENTS. FOOTING SHALL REST ON UNDISTURBED SOIL OR SOIL COMPACTED

SEE THE SPECIFICATIONS FOR EXCAVATION AND BACKFILL REQUIREMENTS. EXCAVATION SHALL BE SHORED

BOLT TEMPLATE WITH REFERENCE TO TOWER BASE PRIOR TO PLACING CONCRETE.

FOR GLIDE SLOPE ANTENNA MAST ANCHOR BOLTS ARE +/- 1/16" OF DIMENSIONS SHOWN. VERIFY ANCHOR

SEE GLIDE SLOPE SITE PLAN FOR FOUNDATION LOCATION AND TOP ELEVATION. HORIZONTAL TOLERANCES