SANG_Bldg_1414-Upgrade_HVAC_&_Fire_Alarm_-_Drawings_Pt4.pdf

COORD. W/ MECH UNIT

127th WING

BUILDING 1414

RENOVATION

http://www.AECOM.com

27777 Franklin Road, Suite 2000 Southfield, MI 48034 United States P: 248 204 5900 F: 248 204 5901

ROOF PLAN

AND DETAILS -

STRUCTURAL

S101

MODIFICATIONS

PLAN: - RTU-3 PLAN: RTU-4 & HV-1 PLAN: RTU-5 PLAN: HV-2

GENERAL NOTES

CODE CRITERIA

GOVERNING CODE: IBC 2018

ROOF LOADS

GROUND SNOW LOAD Pg = 25 PSF FLAT ROOF SNOW LOAD Pf = 17.5 PSF MIN SNOW LOAD (NON-DRIFT CASES): Pmin = 20 PSF SNOW EXPOSURE FACTOR Ce = 1.0 ROOF SLOPE FACTOR Cs = 0.9

SNOW LOAD IMPORTANCE FACTOR I = 1.0

WIND LOAD

ULTIMATE WIND SPEED (3 SEC GUST, ULT., RISK TARGETED): 115 MPH

NOMINAL WIND SPEED: 90 MPH

RISK CATEGORY: II

WIND EXPOSURE CATEGORY: C

COMPONENTS AND CLADDING PRESSURES (PSF):

NOTE: LOADS BELOW ARE ULTIMATE VALUES; FOR NOMINAL VALUES (ASD), MULTIPLY X 0.6

TRIBUTARY AREA ROOF ROOF ROOF WALL WALL

FIELD EDGE STRIP 8' CORNER FIELD EDGE

10 SF +16, -49 +16, -65 +16, -88 +28, -30 +28, -37

50 SF +16, -41 +16, -55 +16, -69

100 SF +16, -38 +16, -51 +16, -60 +24, -26 +24, -28

200 SF +16, -35 +16, -47 +16, -52 +23, -25 +23, -27

NOTE: EDGE AND CORNER STRIPS ARE 8' WIDE

WIND PRESSURE ON ROOFTOP UNITS: 50 PSF, ULT. (30 PSF, ASD)

EARTHQUAKE DESIGN DATA:

RISK CATEGORY II

SEISMIC IMPORTANCE FACTOR = 1.0

MAPPED SPECTRAL RESPONSE COEFFICENTS SS = 0.092

S1 = 0.043

SITE CLASS D

DESIGN SPECTRAL RESPONSE COEFFICENTS SDS = 0.098

SD1 = 0.069

SEISMIC DESIGN CATEGORY = B

STRUCTURAL STEEL

1. DETAIL, FABRICATE AND ERECT STRUCTURAL STEEL IN ACCORDANCE WITH

THE AISC MANUAL OF STEEL CONSTRUCTION, FIFTEENTH EDITION (ALLOWABLE

STRENGTH DESIGN), AWS D1.1, AND OTHER CODES, STANDARDS, AND

SPECIFICATIONS EXCEPT AS EXPLICITLY MODIFIED HEREIN.

2. THE CONTRACTOR IS RESPONSIBLE FOR ALL MISCELLANEOUS/ORNAMENTAL

STEEL NOT SHOWN ON STRUCTURAL DRAWINGS.

3. STRUCTURAL STEEL: ASTM A992, GRADE 50; ROLLED STEEL WIDE FLANGES

ASTM A36; ROLLED STEEL PLATES, SHAPES, BARS, AND RODS

ASTM A500, GRADE C; HSS TUBING

ASTM A53, TYPE E OR S, GRADE B; STEEL PIPE

4. BOLTS: 3/4" DIAMETER MINIMUM, UNLESS NOTED OTHERWISE.

ASTM A325 BEARING TYPE FOR ALL BEAM, COLUMN, AND JOIST

CONNECTIONS

ASTM F1554, GRADE 36 FOR ALL ANCHOR BOLTS

5. SHEAR CONNECTORS: ASTM A 108, GRADES 1015 THROUGH 1020,

HEADED-STUD TYPE, COLD-FINISHED CARBON STEEL; AWS D1.1/D1.1M, TYPE B.

6. WELDED CONNECTIONS SHALL CONFORM TO THE LATEST REVISED

"STRUCTURAL WELDING CODE - STEEL" OF THE AMERICAN WELDING SOCIETY,

AWS D1.1 AND SHALL BE PERFORMED BY CERTIFIED WELDERS IN

ACCORDANCE WITH THE AMERICAN WELDING SOCIETY STANDARDS.

7. CONTRACTOR SHALL ASSUME THAT ANY MODIFICATIONS TO EXISTING STEEL

FRAMING SHALL REQUIRE AN ABATEMENT OF EXISTING LEAD PAINT IN

CONFORMANCE WITH LOCAL CODES.

8. WELDING ELECTRODES SHALL BE E-70XX OR BETTER. FOR WELDING SYMBOLS

WITH NO LENGTH DIMENSION GIVEN, THE WELDING SHALL BE CONTINUOUS

BETWEEN ABRUPT CHANGES IN DIRECTION.

9. COORDINATE STRUCTURAL DRAWINGS WITH ALL DRAWINGS FOR

CLEARANCES, ATTACHMENTS, ETC.

10. ALL STRUCTURAL STEEL MEMBERS SHALL RECEIVE ONE SHOP COAT OF

PRIMER PAINT SSPC-PAINT 15 RED IRON OXIDE.

11. ALL STRUCTURAL STEEL MEMBERS EXPOSED TO THE EXTERIOR SHALL BE

HOT DIP GALVANIZED. THIS INCLUDES, BUT IS NOT LIMITED TO, MASONRY

LINTELS AND SHELF ANGLES AND ANY OTHER ITEM INDICATED ON THE

ARCHITECTURAL OR STRUCTURAL DRAWINGS.

56 5 5

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SCALE: 1/8"= 1'-0"

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