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GENERAL NOTES: i1 iOJ
1. INFORMATION PROVIDED ON THIS SHEET DEPICTS STANDARD G-SERIES SELF-SUPPORTING ANTENNA
TOWERS, DESIGNED AND FABRICATED BY ROHN PRODUCTS LLC.
2. CONTRACTOR TO CONSTRUCT SELF-SUPPORTING ANTENNA TOWERS AND BASES PER THE STRICT 09/12/17
REQUIREMENTS OF THE MANUFACTURER.
3. VALUES PROVIDED IN TABLE BELOW FOR MAX/MUM EFFECTIVE PROJECTED AREA (EPA)ARE € TOWER SECTION OR SHORT BASE
EXTRACTED FROM ROHN PRODUCTS LLC TABLE FOR WIND SPEED OF 110 MPH 3-SECOND GUST. SECTION, 2"MIN PRO✓EC770N ABOVE
CONTRACTOR TO VERIFY WITH MANUFACTURER VARIATION IN VALUES FOR 115 MPH WIND SPEED. TOWER AXIS& THE FINISHED CONCRETE
4. THE EFFECTIVE PROJECTED AREA AND LINES TO BE INSTALLED MUST NOT EXCEED THE DESIGN
VALUES FOR THE STRUCTURE. C OF PAD - - FINISH GRADE
6. A SAFETY UNDIN TEM/S REQUIRED FOR ALL OHN ES. 1.71
xi
-IM• BASE GROUNDING KITS AS MANUFACTURED BY ROHN PRODUCTS LLC.,MANUFACTURER PART f:• 1116.
BCK2GGX IS REQUIRED FOR ALL TOWERS.
7. CONTRACTOR TO ASSUME CRANE WILL BE REQUIRED FOR TOWER INSTALLATION,•COORDINATE CRANE ACCESS WITH OWNER. - -i,
B. CONTRACTOR TO COORDINATE WITH MANUFACTURER AND PROVIDE A COMPLETE DESIGN SUBMITTAL '� 10' /7 ®12"ON CENTER
FOR ENGINEER REVIEW l&d1
411mi ILP
REINF EACH WAY,
SELF-SUPPORTING G-SERIES DESIGN NOTES: & BOTTOM
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1. TOWER DESIGNS ARE IN ACCORDANCE WITH APPROVED NATIONAL STANDARD ANS//EIA-222-F AND
ANS/IIIA-222G,, STRUCTURE CLASS 1,EXPOSURES B AND C, TOPOGRAPHIC CATEGORY 1. ;, M,
2. ALL TOWERS MUST HAVE FIXED"BASES PINNED BASES MAY NOT BE USED. _
3. DESIGN ASSUMES TRANSMISSION LINES SYMMETRICALLY PLACED AS FOLLOWS 2 h COMPACTED SAND AND
65G TOWER- (2) TWO 7/8"LINES ON EACH FACE(TOTAL=6) _ MAT WIDTH 4 V U
4. ANTENNAS AND MOUNTS ASSUMED SYMMETRICALLY PLACED AT TOWER APEX. 7=9"SQUARE W GRAVEL DRAINAGE BED,'
5. TABULATED ALLOWABLE ANTENNA AREAS ASSUME ALL ROUND ANTENNA MEMBERS N MINIMUM 6-INCHES THICK
6. ROHN PRODUCTS LLC STANDARD FOUNDATION DESIGNS ARE BASED ON REV F NORMAL SOIL AND REV.. G PRESUMPTIVE PLAN a ELEVATION
CLAY SOIL PARAMETERS. REFER TO MANUFACTURER LITERATURE FOR ADDITIONAL INFORMATION. NOT TO SCALE
E
3 G-SER/ES FOUNDATION GENERAL NOTES:
1. CONCRETE SHALL BE MIXED, PLACED, CURED AND TESTED IN ACCORDANCE WITH ACI 31B-14.
o CONCRETE MIX FOR ANTENNA FOUNDATION SHALL CONFORM TO THE FOLLOWING:
MIN 28-DAY COMPRESSIVE STRENGTH, f'c=4,500 POUNDS PER SQUARE INCH(PSI)
MAXIMUM WATER/CEMENT RATIO=0.45
i ENTRAINED AIR%=5 t 1.5%
CEMENT TYPE=Il OR V. STANDARD G-SERIES 65G
v MAXIMUM AGGREGATE SIZE=/67(3/4-INCH)
N 2. ROHN PRODUCTS LLC STANDARD FOUNDATION DESIGNS ARE IN ACCORDANCE WITH ANSI/77A-222-G, STRUCTURAL STANDARDS FOR SELF-SUPPORTING ANTENNA TOWER
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STEEL ANTENNA TOWERS AND ANTENNA SUPPORTING STRUCTURES,'SECTION 9 AND ANNEX F FOR THE FOLLOWING PRESUMPTIVE EFFECTIVE PROJECTED AREA
N CLAY SOIL PARAMETERS:
TOWER NAME TOWER ESP
m FRICTION UNIT ULTIMATE BEARING ULTIMATE SKIN SOIL
o BLOW COUNT,N ANGLE, WEIGHT COTES/ON, (PSF) FRICTION MODULUS,STRAIN, (SF)
(BLOWS/FT) 0 Y (P55) SHALLOW (PSFJ K Eso VAIL TANK 6/7 40 Ft 35
d° (DEG) (LB/FT J FDNS. (PCI)
a
a
8 0 770 1000 5000 500 150 750
0
3. THE CONTRACTOR SHALL VERIFY THE ACTUAL SITE SOIL PARAMETERS MEET OR EXCEED THE ASSUMED SOIL CONDITIONS LISTED ABOVE
_ 4. FOUNDATION DESIGNS ASSUME FIELD INSPECTIONS WILL BE PERFORMED BY THE OWNERS REPRESENTATIVE TO VERIFY THE
CONSTRUCTION MATERIALS, INSTALLATION METHODS AND ASSUMED DESIGN PARAMETERS ARE ACCEPTABLE BASED ON THE CONDITIONS
EXISTING AT THE SITE.
3 5. WORK SHALL BE IN ACCORDANCE WITH LOCAL CODES, SAFETY REGULATIONS AND UNLESS OTHERWISE NOTED, THE LATEST REVISION
`:,:i OF ACI 318, BUILDING CODE REQUIREMENTS FOR REINFORCED CONCRETE' PROCEDURES FOR THE PROTECTION OF EXCAVATIONS,
EXISTING CONSTRUCTION AND UTILITIES SHALL BE ESTABLISHED PRIOR TO FOUNDATION INSTALLATIONS.
6. REINFORCEMENT SHALL BE DEFORMED AND CONFORM TO THE REQUIREMENTS OF ASTM A615 GRADE 60 UNLESS OTHERWISE NOTED.
o SPLICES IN REINFORCEMENT SHALL NOT BE ALLOWED UNLESS OTHERWISE INDICATED.
xl 7. REINFORCING CAGES SHALL BE BRACED 70 RETAIN PROPER DIMENSIONS DURING HANDLING AND THROUGHOUT PLACEMENT OF CONCRETE
8. WELDING IS PROHIBITED ON REINFORCING STEEL AND EMBEDMENTS
9. SPACERS SHALL BE ATTACHED INTERMITTENTLY THROUGHOUT THE ENTIRE LENGTH OF VERTICAL REINFORCING CAGES TO INSURE
E CONCENTRIC PLACEMENT.
10. FOUNDATION DESIGNS ASSUME STRUCTURAL BACKFILL TO BE COMPACTED IN 8 INCH MAXIMUM LAYERS TO 95%OF MAXIMUM DRY DENSITY
AT OPTIMUM MOISTURE CONTENT IN ACCORDANCE WITH ASTM 0698. ADDITIONALLY, STRUCTURAL BACKFILL MUST HAVE A MIN/MUM
COMPACTED UNTIL WEIGHT OF 100 POUNDS PER CUBIC FOOT.
5 11. FOUNDATION INSTALLATIONS SHALL BE SUPERVISED BY PERSONNEL KNOWLEDGEABLE AND EXPERIENCED WITH THE PROPOSED FOUNDATION
2° TYPE. CONSTRUCTION SHALL BE IN ACCORDANCE WITH GENERALLY ACCEPTED INSTALLATION PRACTICES
,1 12 LOOSE MATERIAL SHALL BE REMOVED FROM BOTTOM OF EXCAVATIONS PRIOR TO CONCRETE PLACEMENT. SIDES OF EXCAVATIONS SHALL
2 BE ROUGH AND FREE OF LOOSE CUTTINGS.
ry) 13. TOPS OF FOUNDATIONS SHALL BE SLOPED TO DRAIN WITH A FLOATED FINISH.
O 14. EXPOSED EDGES OF CONCRETE SHALL BE CHAMFERED 3/4"x 3/4'
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970.945.1004 www.sgminc.com Hle: '"',