Specifications (14) a r.
Structural Calculations
Roof Curbs
RTU-1, RTU-2
CVS Health, Durham RD
Portland, OR
Prepared for
Engineered Air
Kansas City, KS.
October 11, 2017
***Limitations***
Engineer was retained in limited capacity for this project. Design is based upon information
provided by the client, who is solely responsible for the accuracy of same. No
responsibility and/or liability is assumed by, or is to be assigned to the engineer for items
beyond that shown on these sheets. 26 sheets total including this cover sheet.
oto otN s,�
`f`a'r. ,,,1
RENEWS:Mt/200
rt This Packet of Calculations is Null and Void if Signature above is not Original
CVS Health
Durham RD, Portland
RTU-1 &RTU 2 Roof Curbs
Structural Calculations
Keystone Project number 17091
Table of Contents
Item Sheets
1. Master Data Sheet MD1
2. Seismic and Wind Design Forces DF1 — 2
3. RTU-1 Roof Curbs 1RC1 — 6
4. RTU-2 Roof Curbs 2RC1 — 3
5. Appendix
Design References:
RTU-1 Roof Curb Shop Drawings RF1 — 6
RTU-2 Roof Curb Shop Drawings RF3— 12
JOB 110?l /
Keystone Consulting Engineers, PLLC
- _ Structural / Seismic / Civil SHEET NO. Pr I OF
BELLEVUE • CAMAS, WA CALCULATED BY DATE
Iarryl@keystone-engineers.com CHECKED BY DATE
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CFS Version 10.0.3 Page 1 1(7 4
Section: Section 1.cfss
Channel 12x3x1-12 Gage
Rev. Date: 10/11/2017 4:43:26 PM 01
Printed: 10/11/2017 4:47:31 PM
\
;.
CFS Version 10.0.3 Page 1
Section: Section 1.cfss
Channel 12x3x1-12 Gage
Rev. Date: 10/11/2017 4:43:26 PM
Printed: 10/11/2017 4:47:32 PM
Section Inputs
Material: A653 SS Grade 33
No strength increase from cold work of forming.
Modulus of Elasticity, E 29500 ksi
Yield Strength, Fy 33 ksi
Tensile Strength, Fu 45 ksi
Warping Constant Override, Cw 0 in^6
Torsion Constant Override, J 0 in^4
Stiffened Channel, Thickness 0.1017 in (12 Gage)
Placement of Part from Origin:
X to center of gravity 0 in
Y to center of gravity 0 in
Outside dimensions, Open shape
Length Angle Radius Web k Hole Size Distance
(in) (deg) (in) Coef. (in) (in)
1 2.000 180.000 0.15250 Single 0.000 0.000 1.000
2 12.000 90.000 0.15250 Cee 0.000 0.000 6.000
3 1.875 0.000 0.15250 Single 0.000 0.000 0.938
4 0.885 -90.000 0.15250 None 0.000 0.000 0.443
Full Section Properties
Area 1.6468 in^2 Wt. 0.0055992 k/ft Width 16.193 in
Ix 29.267 in^4 rx 4.2157 in Ixy 0.447 in^4
Sx(t) 5.0358 in^3 y(t) 5.8118 in a -0.891 deg
Sx(b) 4.7296 in^3 y(b) 6.1882 in
Height 12.0000 in
Iy 0.535 in^4 ry 0.5698 in xo -0.8591 in
Sy(1) 1.5402 in^3 x(1) 0.3472 in yo 1.1350 in
Sy(r) 0.3235 in^3 x(r) 1.6528 in jx 8.7482 in
Width 2.0000 in jy -1.3786 in
I1 29.274 in^4 rl 4.2162 in
I2 0.528 in^4 r2 0.5661 in
Ic 29.802 in^4 rc 4.2540 in Cw 14.117 in^6
Io 33.139 in^4 ro 4.4858 in J 0.0056777 in^4
Web Crippling Check- 2016 North American Specification - US (ASD)
Material Type: A653 SS Grade 33, Fy=33 ksi
Load: 0.3830 k on bottom flange
Moment: 0.000 k-in
Bearing: 12.000 in
Flange fastened to bearing surface: No
Distance from edge of bearing to end of member: 0.00 ft
Distance from edge of bearing to edge of opposite load: 100.00 ft
Part Elem Calculation Type Pa (k) Pay (k) Notes
1 2 Cee, UU-EOF 1.9813 1.9813
Total 1.9813
CFS Version 10.0.3 Page 2 -C
Section: Section 1.cfss
Channel 12x3x1-12 Gage
Rev. Date: 10/11/2017 4:43:26 PM
Printed: 10/11/2017 4:47:32 PM
Web Crippling Check: 0.3830 k <= 1.9813 k
Moment Check: 0.000 k-in <= 93.494 k-in
Interaction Equations
NAS Eq. H3-la (P, M) 0.098 + 0.000 = 0.098 <= 0.782
Stiffened Channel element 2 b/t exceeds 90.
I
Keystone Consulting Engineers, PLLC JOB 10/
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PRODUCTION NOTES:
1. CURB PANELS: 1 SATIN COAT DUCT-RAILS NOT SHOWN ON DRAWING FOR CLARITY.
WEIGHT UNIT OPERATING WEIGHT = 3,200 LBS
FOR DETAILS ON DUCT-RAILS,SEE DRAWING* 07664C-01-2
,�( 70„ I (3) HOLDING ANGLES AT 50 3/4" CENTERS `
`
I I I 10" ,3"0' .
II
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(2) REINFORCEMENT S
of BRACKETS TOTAL:
1 12 1/8'_ C°I - (2) in LENGTH o'1 8 1/8" I
10" 0 J '
T_ L o o -� o o U
f u
B I I i110,740,
/a" ,a' -..1 PLAN VIEW �! ,s L— e ,/a"
top PR F s/
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ELEVATION 1" ROREGQN
7
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I I I I I I -i- RENEWS: 12I31I Z-‘9/6
1/2"HOLES AT 24"C-C
117 1/2" IN CENTER OF BOTTOM FLANGE
INSIDE TO INSIDE CURB WALLS
9"
NOTES: FACTORY
INSULATION
1.378"X 3M"NEOPRENE GASKET FOR Y TO 4"CHANNELS,OR NB ATION ``
MINIMMM
3/W X 1-1/2'NEOPRENE GASKET FOR CHANNELS 5 AND OVER. ♦ sSsSfifisSsSs{s{)S)S
' 2 CURB MAY BE BROKEN DOWN FOR SHIPPING,IN THERE CASES,FIELD } CBANNEL 22222 '.'
ASSEMBLY/PALLBE REQUIRED BY INSTALLING CONTRACTOR.
S CONTINUOUS BASE SUPPORT TO CURB PANELS,INCLUDING THE CENTER 4•' * /0.324,
—,---7.;',..4
"����i 0 SUPPORT PANEL IF SUPPUED,IS REQUIRED BY OTHERS t µ
"�_',� 4,DIMENSIONS GIVEN IN INCHES ONLY ** Illk . =----;-4/1= ' SU�PRPLY
111
1 /Vtil REINFORCEMENT
BRACKET(SHIPPED LOOSE) NEOPRENE GASKET FIELD ' '
MELD BRACKET TO ROOF MOUNTED(SEE NOTE 1) �W
CURB AT INSTALLATION(BY OTHERS) 2"X 4" 3/8"
FACTORY MOUNTED T
1 tn"x 11/2"x tre^ FLASHING(BY OTHERS) I/1 L_ RAn.
ROOFING PAPER(BY OTHERS)
$ I SECURE TO STRUCTURE-
# TO SATISFACTION OF SEISMIC ENGINEER RIGID INSULATION(BY OTHERS) 12
CAM STRIP(BY OTHERS) 1
QQQ� O lito.
� TAR AND GRAVEL I
A (BY OTHERS) O•:0 :�.,.. >o •
_.4 2" 7 1/8"
*4"X 2"X 3/18"ANGLE.PRE-DRILL FOR 12"BOLT
**1.5 X 1.5"X 0.125 ANGLE.DRILL AT INSTALLATION
- 0 SECTION B-B SECTION A-A
1.1
JOB#DK7664 DRAWING NOT TO SCALE FW102/K/O/MV/H/UVC
- i TAG:RTU-1 12"HIGH SEISMIC CURB FOR DOWN DISCHARGE UNIT
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EngA ENGINEERED AIR DATE:REVISIONS:
DATE: DRWN BY: CHID BY: DRAG NO.:
APR 132016 NSS 07664C-01-1
r 1
U.CADIDRA MNOS\FNM
-I p ProUnB{} 0'F ARRANGEMENT
til G CO9, 1 AUX MPT DRAIN --\
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8 POINT LIFT
-1 - n -- ■ CONTROLS NOT SHOWN
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z , ,,, I SOLID FLOOR
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S. S. DRAIN PAN c/w FOR DETAILS -r n_
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CURB OUTLINE IS ONLY SHOWN FOR LOCATING THE DUCT RAILS.AS SUCH
THIS DRAWING DOES NOT INCLUDE ADDITIONAL DETAILS,SUCH AS A VESTIBULE
ENCLOSURE(IF ANY),ETC.FOR FULL CURB DETAILS,SEE DRWG#
07664C-01-1
PLAN VIEW A Q--I C
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14" 1-
28" 6" 10" I- 33" I 5"
EngA UNIT I EngA UNIT I
10 r-
NEOPRENE GASKET�' --- NEOPRENE GASKET/
T6. * n FIELD INSTALLED *r II ]* FIELD INSTALLED * - -
SUP//PLY RETURN�R
ROOF
CURB AIR CURB
-
12"- - 28 1/4" - 4" I I8" 33 1/4" - 3"
SECTION B-B:
9 I 18" UNIT SUPPLY AIR FLOW - 15" 8
J L I ^ EngA UNIT 7
1 ," SUPPLY RETURN
1
i AIR
NEOPRENE GASKETan
$ T * * FIELD INSTALLED * * -_
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TAG:RTU-1 DUCT-RAIL DETAIL
EngA. ENGINEERED AIR DATE:REVISONS
DATE: DRWN BY: CHKD BY: DR WG NO.:
0 ® APR 13 2016 NSS 07664C-01-2
,
EngA ENGINEERED AIR FW- 1 0 2 - 'K 0 V V J ttv/ 6 4 MECH DRWG: 7664M-01-1
CURB DRWG: 7664C-01-1
SEISMIC
'DRAWN BY RS IDATE JUN 15 2016 STD ROOF CURB 14 4[
MOTE FRAME IS NOT COMPLETE
- -
ONE-PIECE BUILT UP CURB - FOR CURB ONLY
Li
1.875
0.885 1-
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12GA 12
2 - 16 1/4 X 44 1/4 -- ENDS NN
2 44 1/4
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CURB DRWG: 76640-01-1
SUPPLY AIR and RETURN AIR
DRAWN BY RS DATE JUN 15 2016 DUCT RAILS
2 - 8 5/8 X 46 1/16 --- SIDE RAILS PUNCH
SA-DUCT -18GA
2 - 8 5/8 X 20 1/16 --- END RAILS PUNCH
7
2 - 8 5/8 X 46 1/16 --- SIDE RAILS PUNCH
2 - 8 5/8 X 17 1/16 --- END RAILS PUNCH AIR FLOW
28 1/4 <11
33 1/4
SA-DUCT
RA-DUCT 1
12 1
CURB PANELS
__I 7 1/8,-..-18 1/4-"'" L15 1/4-.--6 1/8 L
TYP. BRKS FOR '
SIDE & END RAILS
1"
1/2 I-
6
1/2 L_
1• RPIL
0 ESP
c
0
c
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LT,
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/
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L
j 6 RIDE
v
RAILS RAIL x
5 O i (l
y
DUCT RAILS SCREW cm
vi Q CURB 1 ,07-TO CURB SIDES
o SIDE
U
U_
� C
O 0
l 1 III
EngA ENGINEERED AIR F W 1 0 2 - / 0 - V V #V-6 4 MECH DRWG: 7664M-01-1
SEISMIC CURB DRWG: 7664C-01-1
DRAWN BY RS IDATE JUN 09 2016 STD ROOF CURB
NOTE: — ALL MATERIAL — 1 1/2 X 1 1/2 X 1/8
— SEE CURB DWG FOR QTY REQ'D.
1 1/2 H H- 01/2 1 1/2
A
11 5/8
11 3/4
\
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0
0 1 1/2
0 3 8
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PRODUCTION NOTES:
1.CURB PANELS:12GA SATIN COAT DUCT-RAILS NOT SHOWN ON DRAWING FOR CLARITY.
2.UNIT OPERATING WEIGHT=3,200 LBS
FOR DETAILS ON DUCT-RAILS,SEE DRAWING# 08088C•01-2
(41 HOLDING ANGLES AT 40 U9•CENTERS • TYP"
—.- 10'mewl -I 1o,ne" • r` 1s")
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140 i!Y L ,.5" / .
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SECTION B-B SECTION A-A
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EngA ENGINEERED AIR P W— 8 /I — 'K 0 V V— qoy#Vg 0 g 6 MECH DRWG: 8086M-01-1
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