Attachment 4-STC-BMH-RCAG70/100.pdf
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- Replace Antenna Towers, RCAG Facility, Birmingham, AL Federal contract opportunity
- Solicitation number
- DTFASA-17-R-00539
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Text version
SkyTower Box 1929
Montrose, CO 81402 Phone: 970-209-0041
FAX: myoung@skytower.biz
Job: Birmingham, AL Project: 70' 100 MPH Tower Client: FAA Drawn by: Mark Young App'd:
Code: TIA-222-G Date: 05/25/17 Scale: NTS Path:
C:\Users\Mark Young\Dropbox\Files\SkyTower Corp\FAA\Master Drawings\3 New STC 70-100 GK\70-100 GK.eri Dwg No. E-1
70.0 ft
50.0 ft
30.0 ft
10.0 ft
5.0 ft
0.0 ft
REACTIONS - 100 mph WIND TORQUE 0 lb-ft
12256 lb
SHEAR
486439 lb-ft
MOMENT
6514 lb
AXIAL
30 mph WIND - 0.2500 in ICE
794 lb
SHEAR
32533 lb-ft
MOMENT
11651 lb
AXIAL
SHEAR: 2511 lb UPLIFT: -50806 lb
SHEAR: 2249 lb DOWN: 52710 lb
MAX. CORNER REACTIONS AT BASE:
ARE FACTORED
ALL REACTIONS
S ec tio n
T1 T2
T3 T4
T5
L eg s L3 x3 x3
/1
L3
/2 x3
/2 x1 /4
L4 x4 x1 /4
L eg
G ra de A
2-
D ia go na ls L1
/2 x1
/2 x1
/8 2L
2x 2x
1/
D ia go na l G ra de A
T op
G irt s L3 x3 x1
/4 N
.A
H or iz on ta ls
N .A
2L
2x 2x
1/
F ac e W id th
(f t)
6.
P an el s
(f t)
.8
.5
W ei gh t ( lb
0.
0.
3.
5.
5.
.2
Platform 70 - 68 (2) BA1010 70 - 68 BA1010 70 - 68 (2) BA1010 70 - 68 BA1010 70 - 68 (2) 7'x2 1/2" Pipe Mount 70 - 68 7'x2 1/2" Pipe Mount 70 - 68 (2) 7'x2 1/2" Pipe Mount 70 - 68 7'x2 1/2" Pipe Mount 70 - 68 RMU (Remote Units) 70 - 68 RMU (Remote Units) 70 - 68 (2) Lightning Rod 70 - 68 DESIGNED APPURTENANCE LOADING
TYPE TYPEELEVATION ELEVATION
Platform 70 - 68
(2) BA1010 70 - 68
BA1010 70 - 68
(2) BA1010 70 - 68
BA1010 70 - 68
(2) 7'x2 1/2" Pipe Mount 70 - 68
7'x2 1/2" Pipe Mount 70 - 68
(2) 7'x2 1/2" Pipe Mount 70 - 68 7'x2 1/2" Pipe Mount 70 - 68 RMU (Remote Units) 70 - 68 RMU (Remote Units) 70 - 68
(2) Lightning Rod 70 - 68
TOWER DESIGN NOTES
1. Tower is located in Jefferson County, Alabama.
2. Tower designed for Exposure C to the TIA-222-G Standard.
3. Tower designed for a 100 mph basic wind in accordance with the TIA-222-G Standard.
4. Tower is also designed for a 30 mph basic wind with 0.25 in ice. Ice is considered to increase in thickness with height.
5. Deflections are based upon a 60 mph wind.
6. Tower Structure Class III.
7. Topographic Category 1 with Crest Height of 0.00 ft
8. Weld together tower sections have flange connections.
9. Connections use galvanized A325 bolts, nuts and locking devices. Installation per TIA/EIA-222 and AISC Specifications.
10. Tower members are "hot dipped" galvanized in accordance with ASTM A123 and ASTM A153 Standards.
11. Welds are fabricated with ER-70S-6 electrodes.
12. TOWER RATING: 98.7%
DTFASA-17-R-00539
Drawing: STC-BMH-RCAG70/100
Dated 6/2/2017 Attachment 4
CONNECTION TYPES
TYPE A TYPE B TYPE C TYPE D TYPE E TYPE F TYPE G TYPE H
TYPE K TYPE L
DWG NO DATE BY CONTRACT NO
E1 8/11/2016 MDY
SkyTower Corp Box 1929
Montrose, CO 81402 970-209-0041
CONNECTION DETAILS
DTFASA-17-R-00539
FACE A FACE B FACE C FACE D
WITH OPENING FOR ENTRY WITH CONDUIT/COAX SUPPORT
INTO TOWER CENTER NO HORIZONTALS INSTALLED WITH HORIZONTAL EVERY
(HORIZONTALS EVERY 4.75 FEET) 10 FEET FOR LADDER SUPPORTS
Part 9535 attaches to each horizontal to attach conduit or uni‐strut
DETAILED CONNECTION TYPES IN BOLD GREEN LETTERS AS SHOWN ON PAGE E1
E2 8/11/2016 MDY
0-10' BASE SECTION LAYOUT
70 FOOT 100 MPH TOWER
DWG NO DATE BY CONTRACT NO
970-209-0041
G o o o o o o C H C
SkyTower Corp Box 1929
Montrose, CO 81402
K o o o o o o A
E D
B B
L o o o o o o
D
DTFASA-17-R-00539
WITH CONDUIT/COAX SUPPORT
NO HORIZONTALS INSTALLED WITH HORIZONTAL EVERY
(HORIZONTALS EVERY 4.75 FEET) 10 FEET FOR LADDER SUPPORTS
Part 9535 attaches to each horizontal to attach conduit or uni‐strut
DETAILED CONNECTION TYPES IN BOLD GREEN LETTERS AS SHOWN ON PAGE E3
E3 8/11/2016 MDY
10'-30' SECTION LAYOUT
70 FOOT 100 MPH TOWER
DWG NO DATE BY CONTRACT NO
H C
SkyTower Corp Box 1929
Montrose, CO 81402
970-209-0041
G o o o o o o C
B A
B BK o o o o o o A
AF o o o o o o
E o o o o o o D E D
B o o o o o o A B B
DTFASA-17-R-00539
NO HORIZONTALS INSTALLED WITH HORIZONTAL EVERY
(HORIZONTALS EVERY 4.75 FEET) 10 FEET FOR LADDER SUPPORTS
Part 9535 attaches to each horizontal to attach conduit or uni‐strut
DETAILED CONNECTION TYPES IN BOLD GREEN LETTERS AS SHOWN ON PAGE E3
E4 8/11/2016 MDY
30'-50' SECTION LAYOUT
70 FOOT 100 MPH TOWER
DWG NO DATE BY CONTRACT NO
H C
SkyTower Corp Box 1929
Montrose, CO 81402
970-209-0041
A B B
G o o o o o o C
A B A
K o o o o o o o o o o o o A B B
F o o o o o o
E o o o o o o D E D
B
DTFASA-17-R-00539
NO HORIZONTALS INSTALLED WITH HORIZONTAL EVERY
(HORIZONTALS EVERY 4.75 FEET) 10 FEET FOR LADDER SUPPORTS
Part 9535 attaches to each horizontal to attach conduit or uni‐strut
DETAILED CONNECTION TYPES IN BOLD GREEN LETTERS AS SHOWN ON PAGE E1
E5 8/11/2016 MDY
Handrails (typ all 4 sides)
PLATFORM
Handrails (typ all 4 sides)
PLATFORM
50' - 70' TOP SECTION LAYOUT
70 FOOT 100 MPH TOWER
DWG NO DATE BY CONTRACT NO
970-209-0041
A B B
G o o o o o o C H C
SkyTower Corp Box 1929
Montrose, CO 81402
A
K o o o o o o
F o o o o o o A B
E D E D
B o o o o o o A B B
Handrails (typ all 4 sides)
PLATFORM
Handrails (typ all 4 sides)
PLATFORM
DTFASA-17-R-00539
Company : SkyTower Corp May 25, 2017 Designer : Mark Young
FAAJob Number : Birmingham 70'-100 mph Checked By:_____
Sketch
16 ft f t
4.75 ft f t
78 in i n
A B
CD
x z 5 i n
CD
Details x z
A B
CD
#8@16 in
16 ft f t
#8@16 in
Bottom Rebar Plan i n i n i n
CD Footing Elevation
A B
CD
#8@16 in
16 ft f t
#8@16 in x Dir. Steel: 9.42 in2 (12 #8) z Dir. Steel: 9.42 in2 (12 #8)
Top Rebar Plan
Geometry, Materials and Criteria Length : eX : Net Allowable Bearing : Steel fy :
Width : eZ : Concrete Weight : Minimum Steel :
Thickness : pX : Concrete f'c : Maximum Steel :
Height : pZ : Design Code :
Footing Top Bar Cover : Overturning / Sliding SF : Phi for Flexure :
Footing Bottom Bar Cover : Coefficient of Friction : Phi for Shear :
Pedestal Longitudinal Bar Cover : Passive Resistance of Soil : Phi for Bearing :
16 ft 0 in 2300 psf (net) 60 ksi 16 ft 0 in 145 pcf .0018 54 in 78 in 3 ksi .0075 0 in 78 in ACI 318-05
3 in 1.5 0.9 3 in 0.3 0.75 3 in 0 k 0.65
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DTFASA-17-R-00539
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