According to ANSI/EIA-222-F 1996 |
||||
90 mph/78 mph + 1/2″ radial ice w/ (3 second gust) per OBC AND 旧C |
||||
CaAa |
Rat Plate Area |
Weight |
Elevation |
|
No Ice |
29.5 sq ft |
16.39 sq ft |
200 lbs |
160 ft |
1/2″ Icc |
36.0 sq ft |
20.00 sq ft |
350 lbs |
160 ft |
No Ice |
50.0 sq ft |
27.78 sq ft |
350 lbs |
160 ft to 130 ft |
1/2″ Ice |
60.5 sq ft |
33.61 sq ft |
600 lbs |
160 ft to 130 ft |
(1)一7/8″ coax Elevation 0 ft to 160 ft |
||||
Climbing Ladder □evation 0 ft to 140 ft |
||||
70 mph/61 mph + 1/2″ radial ice (Fastest MPH) per 0A-222-F |
||||
CaAa |
Flat Plate Area |
Weight |
Elevation |
|
No Ice |
30.0 sq ft |
16.67 sq ft |
200 lbs |
160 ft |
1/2″ Ice |
36.5 sq ft |
20.28 sq ft |
350 lbs |
160 ft |
No Ice |
51.5 sq ft |
28.61 sq ft |
350 lbs |
160 ft to 130 ft |
1/2″ Ice |
61.5 sq ft |
34.17 sq ft |
600 lbs |
160 ft to 130 ft |
(1)一7/8″ coax Elevation 0 ft to 160 ft |
||||
Climbing Ladder Elevation 0 ft to 140 ft |
PIPE LEGS 42 KSI MIN YIELD 10 GA TUBE LEGS 30 KSI MIN YIELD
ANCHOR OLTS AMERICAN TOWER, 1”0 x 3’一6” MIN EMBEDMENT INTO CONCRETE.
180* END HOOK PER ACL SEE DRAWINGS BY AMERICAN TOWER FOR ANCHOR BOLT ORIENTATION.
#5 @ T MAX C/C-TOP EA WAY
#5 © T MAX C/C—j I FIN GRADE-
BOT EA WAY
NOTES:
1. ALL CONCRETE SHALL HAVE A MINIMUM COMPRESSIVE STRENGTH OF 3000 PSI @ 28 DAYS.
2. REINFORCING STEEL SHALL CONFORM TO THE REQUIREMENTS OF ASTM A615 (GRADE 60).
3. TOTAL CONCRETE = 35.6 CUBIC YARDS.
4. FOUNDATION DESIGN BASED UPON THE FOLLOWING:
ALLOW BEARING PRESSURE: 2000 PSF
UNIT WEIGHT: 100 PCF
WATER AND ROCK LOCATED BELOW FOOTING
MAT FOUNDATION
https://www.abtersteel.com/structural-pipe/galvanized-pipe/
160* STANDARD |
FOUNDATION |
|
BY: DOW |
DATE: 12/21/02 |