Specifications RECEIVED
3 t a1 12 2016
t;1TY UjDNIS ON
GARD
BUILDING
SCHOLLS BLDG M HVAC
10130 SW Nimbus Ave
Tigard, OR 97223
CITY OF TIGARD
STRUCTURAL CALCULATIONS REVIEWED FOR CODE COMPLIANCE
AppronMK Project Number:20160027 OTC: t
Permit#: LU F_—C 2n(G
Address: 16�1��/x`((�
Suite#s
$y: Date:
Reitmeier Mechanical
19570 SW 90th Court
Tualatin, OR 97061 OFFICE COPY
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1/12/16
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EXPIRES: 6/30/20_L6_
Prepared By. Reed Newcomer, EIT
VVLMK January 12, 2016
ENGINEERING + DESIGN
Structural Calculations:Schalk Bldg M HVAC DC-1
Project: Scholls Bldg M HVAC Project Number: 20160027
Project Address. 10130 SW Nimbus Ave Document: Structural Calculations for
Tigard, OR 97223 Building Permit
TABLE OF CONTENTS
Design Outline and Criteria DC-1 thru DC-2
Structural Details S-1 thru S-3
Structural Calculations C-1 thru C-4
Refer((nce lAf6 oq0 XM R-1 thru R-4
=KAU,44W aUO3 J101
I I Sbovmn*JA
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DESCRIPTION OF PROJEC sDtU
Ak t irm,)*1
The��,c� ol1j.Bldaa M-HVA ' DW*eWt coPrgists of-4 replacement of a HVAC roof top unit(RTU) and curb. The scope of this
calculation evaluates the existing structLWJ 1puF60 members for the additional loading, as well as the attachment of the
new units Joirel3t wind and seismic forces.
G-.'�cad2016V016002NalculationsVO160027 DC.docx
3933 SW Kelly Avenue Portland,OR 91239 tel:503.222.4453 fax:503.248.9263 www.vlmk.com
Structural Calculations:Scholls Bldg M HVAC DC-2
CODES
2014 Oregon Structural Specialty Code (Based on the 2012 International Building Code)
DESIGN LOADS
Live Loads
Roof Snow Load
Flat Roof Snow load, PE 25 psf
Snow Drift As Required
Dead Loads
Roof(Panelized)
Roofing (existing) 2.8 psf
Insulation 0.5 psf
Sheathing (1/2" plywood) 1.5 psf
Sub-purlins (2X4 @ 24" O.C.) 1.1 psf
Joists (4X14 @ 8'-0" O.C.) 1.8 psf
Glulam Girders 1.5 psf
Mechanical and Electrical 1.0 psf
Suspended Ceiling 1.8 psf
Total Roof load 12.0 psf
Additional Loads
HVAC RTU 337 lbs
New Curb 70 lbs
Wind
Basic Wind Speed (3-second gust) 120 mph
Wind Importance Factor, IW 1.0
Occupancy Category II
Wind Exposure B
Seismic
location Latitude 45.44319
longitude -122.78435
Seismic Importance Factor, IQ 1.0
Risk Category II
Mapped Spectral Response Accelerations SS = 0.974
S, = 0.424
Site Class D
Spectral Response Coefficients Sds = 0.721
Sd i = 0.446
Seismic Design Category D
Component Anchorage Factors aP RP IP
Hanging HVAC Equip 2.5 6.0 1.0
6�1cad2016V0160027\CalculotionsV0160027 DC.docx
3933 SW Kelly Avenue Portland,OR 97239 tel:503.222.4453 fax:503.248.9263 www.vlmk.com
s
x • 1
a. ' S-2
i a
40
r
� 6
t
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7�•
AREA OF WORK HVAC
RTU REPLACEMENT
1 ROOF AERIAL PHOTO / AREA OF WORK
S-1 NTS
r
SCHOLLS BLDG M HVAC 20160027 1/2016
10130 SW NIMBUS AVE JRN JCS
VLMKENGINEERING TIGARD, OR 97223+ DESIGN AREA OF WORK S-1 CHECIED
3933 SW Kelly Avenue Portland,Oregun 97239 1 tel:503.222.4453 1 fax:503.248.9263 1 w .drnk-ni
NOTE'
VERIFY PLACEMENT OF UNIT AS NEW HVAC UNIT TO BEAR
SHOWN. NOTIFY ENGINEER IF EXISTING ON NEW OR EXISTING
CONDITIONS ARE OTHER THAN SHOWN. FRAMING ON ALL CORNERS
(WEIGHT-383#)
1
S-3 ADD(2)2x4 AT CORNER OF
ZLUNIT W/LUS24-2 EA END
A
Z S-2 z
J J
fY d'
7
a ' -
v v
X X
W W
VERIFY EXISTING FRAMING
UNDER MECH. UNIT AS SHOWN,
NOTIFY ENGINEER IF OTHERWISE. (E)2x4 SUB-PURLINS
AT 24"O.C.TYPICAL
1 ENLARGED PARTIAL FRAMING PLAN
NEW CURB
2x4 STITCHED TOGETHER
WITH 16d AT 12"O.C. SIMPSON LUS24-2
H� SECTION
s`-2 N.T.S.
SCHOLLS BLDG M HVAC 20160027 172016
10130 SW NIMBUS AVE SRN JCS
VLMK TIGARD OR 97223
ENGINEERING + DESIGN PARTIAL FRAMING PLAN S-2
3933 SW Felly Avenue Fodland,Oregon 97239 1 tel 503.222.4453 1 tax.503.248.9263 1 www.vlmk.corn seeer no
�--UNIT CASING
UNIT BASE AND BASE RAIL
SECURE ANCHOR TO UNIT WITH
(4)#10 x 1/2"TEK SCREWS
SECURE ANCHOR TO CURB
WITH (4)#10 x 1/2"TEK
SCREWS,TYPICAL
WOOD NAILER
16 GAUGE STEEL'CANFAB'
OR EQUAL ANCHOR, (4) UNIT MOUNTING CURB BY UNIT
TOTAL, (1) EACH CORNER MANUFACTURER(14"HEIGHT)
ON LONG SIDES OF UNIT
GALVANIZED SHEET METAL MINIMUM 2x P.T. LEVEL
COUNTER FLASHING PLATFORM BY CONTRACTOR
EXISTING ROOF SHEATHING,
REMOVE UNDER UNIT AS REQUIRED
SECURE CURB TO SUPPORT FRAMING
WITH#14 WOOD SCREWS AT EACH
CORNER AND AT 2'-0"O.C. SUPPORT FRAMING PER PLAN
MAXIMUM SPACING, SCREWS MUST
BE LONG ENOUGH TO PENETRATE
SUPPORT FRAMING 2"MINIMUM
(a:) HVAC CURB DETAIL
r
SCHOLLS BLDG M HVAC 20160027 1/2016
10130 SW NIMBUS AVE JRN A
VLMK TIGARD. OR 97223
ENGINEERING + DESIGN HVAC CURB DETAIL S-3
3933 SW Kelly Avenue Portland,Oregon 97239 1 tel 503.222.4453 1 fax 503.248 X263 1 www.vlmk.com
12/8/2015 Design Maps Summary Report
iTM I`US GS Design Maps Summary Report c - 1
User-Specified Input
Report Title 20150653
Tue December 8, 2015 18:14:51 UTC
Building Code Reference Document ASCE 7-10 Standard
(which utilizes USGS hazard data available in 2008)
Site Coordinates 45.443191N, 122.78435°W
Site Soil Classification Site Class D - "Stiff Soil"
Risk Category I/II/III
�. jH i I I s b oro
Portland Gre
Beavertor - _
.s
,
-v
t� Lake Oswego
44
jualatin
O
J. Sherwood
USGS-Provided Output
SS = 0.974 g SMS = 1.081 g SDs = 0.721 g
S1 = 0.424 g SM1 = 0.668 g SD, = 0.446 g
For information on how the SS and S1 values above have been calculated from probabilistic (risk-targeted) and
deterministic ground motions in the direction of maximum horizontal response, please return to the application and
select the"2009 NEHRP" building code reference document.
MCER Response Spectrum Design Response Spectrum
0.92.
1.10
0.90-
0.95 0.72-
0.990.64
0.?? 0.56
IM 0.66 0.48
lfu 0.55 y 0.40
"11
0.44 0.32
0.3 3 0.24
F\\1
0.22 0.16--
0.11 0.09--
0.00 0.00-
0.00 0.20 0.40 0.60 0.20 1.00 1.20 1.40 1.60 1.80 2.00 0.00 0.20 0.40 0.60 0.90 1.00 1.20 1.40 1.60 1.90 2.00
Period, T(sec) Period, T(sec)
For PGAM, T, CRS, and CR, values, please view the detailed report.
http://ehp2-earthquake.wr.usgs.gov/designm aps/us/sum m ary.php'4em plate=mini mal&latitude=45.44319&longitude=-122.78435&sitecIass=3&riskcategory=0&... 1/2
VVLMK ProjectScholls HVAC Iob#20160027 BYJRN Date:1/2016 Sheet 4C -2
ENGINEERING+DESIGN
RTU HVAC Support Design
Check Existing 414 Purlins
I PT
w i LOADS
wDL= 10.5 psf (roof w/o Glulam)
1RL0'f RR wSL= 25 psf (snow w/ponding)
18'-0" TRIB = 8.0 ft
PT=407 lbs/2 Purlins =204 lbs
BENDING
MU =w12/8 + PTab/1 = 17.8k-ft
MD= (F,= 1450psi)*(CD= 1.15)*(S, = 102.4 in')*2.54*0.85= 30.72 k-ft> M�
RESULTS Historic Value for 1980
4x14 DF#2 OK
Check Exist 2x4 Sub-Purlins
PT
w LOADS
wDL = 8.7 psf (roof w/o glulam& purlins)
1RL 2 RR wSL= 25 psf (snow w/ponding)
8'-0" TRIB =2.0 ft
BENDING PT=407 lbs/2bm =204 lbs
M�=w12/8 + PTab/1 = 1174 lb-ft
MD = (F,= 1450psi)*(CD= 1.15)*(CR= 1.15)*(CF = 1.5)*(Sx= 3.063 in')*2.54*0.85= 1585 Ib-ft> M�
RESULTS
Sub-Purlin OK
V�HEERly�
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`fST 191��
3933 SW Kelly Avenue Portland,OR 97239 tel: 503.222.4453 fax: 503.248.9263 www.vlmk.com
1
VVLMK Project: Scholls HVAC a: 20160027 BY: JRN Date: 1/2016 sheet#: C-3
ENGINEERING . DESIGN
v3.00-Software Copyright 2015 VLMK Consulting Engineers. All Rights Reserved.
Wind Loads on Rooftop Structures and Equipment
Based on the 2012 International Building Code and ASCE 7-10, 29.5.1
�\a TYPICAL SCREEN WALL
Fh
Fv 9,Fa
TYPICAL MECHANICAL UNIT
Fh 0
H
h
DESIGN INPUT
B = 80 ft Horizontal Dimension of Building Measured Normal to the Wind Direction
h = 15 ft Mean Roof Height of Building (Eave Height if Roof Angle < 10,
Height = 3.88 ft Height of Rooftop Structure or Equipment
Width = 4.00 ft Width of Rooftop Structure or Equipment, Perpendicular to Wind
Depth = 2.66 ft Depth of Rooftop Structure or Equipment, Parallel to Wind
H = 18.9 ft Height to Top of Structure or Equipment
V„it = 120 mph Ultimate Wind Speed 3-Second Gust [Figures 26.5-1A, B, & C]
B Exposure Category [Section 26.7.3]
zg = 1200 ft Nominal Height of Atmospheric Boundary Layer [Table 26.9-1]
a = 7.0 3-Second Gust-Speed Power Law Exponent [Table 26.9-1]
K, = 0.701 Velocity Pressure Exposure Coefficient [Table 29.3-1]
KZt = 1.00 Topographic Factor [Figure 26.8-1]
Kd = 0.85 Wind Directionality Factor [Table 26.6-1]
ANALYSIS
qz = 0.00256KZKztKdVatt2 [Equation 29.3-1]
qZ = 22.0 psf Velocity Pressure at Ultimate Level
GCr = 1.9 Horizontal: Force Increase & Gust Factor [Section 29.5.1]
GCr = 1.5 Vertical-Uplift: Force Increase & Gust Factor [Section 29.5.1]
Af = 15.52 sf Area of Structure Normal to the Wind Direction (Horizontal face)
Ar = 10.64 sf Area of Structure Perpendicular to the Wind Direction (Vertical face)
B*h = 1200 sf Building Area Normal to the Wind Direction
Fh = gh(GC,)Af [Equation 29.5-2]
Fh = 647 lbs Horizontal Design Wind Force (Ult., 1.OW)
p 9 (Ult., 1.OW) °��\NE �`a
Ph = 41.7 sf Horizontal Design Wind Pressure
F„ = gh(GC,)A, [Equation 29.5-j
t F„ = 350 lbs Vertical (Uplift) Design Wind Force (Ult., 1.OW) "%ko,
32.9 "Sl 191*1
p„ = psf Vertical (Uplift) Design Wind Pressure (Ult., 1.OW)
3933 SW Kelly Avenue Portland,OR 97239 tel:503.222.4453 fax:503.248.9263 www.vlmk.com
_1
VV L M K Project: Scholls HVAC Job u: 20160027 BY: JRN Date: 1/2016 sheet#: C-4
ENGINEERING . DESIGN
v3.00-Software Copyright 2015 VLMK Consulting Engineers. All Rights Reserved.
Mechanical Unit Anchorage Design
Based on the 2012 International Building Code and ASCE 7-10
DESIGN INPUT
Seismic Parameters: x
SDs = 0.721 g Design Spectral Response Acceleration
92 = 1.0 Overstrength Factor [ASCE7 12.2-1 or 15.4-1] 03 40
Ap = 2.5 [ASCE7 13.5-1 or 13.6-1] -*'CR Y
RI) = 6.0 [ASCE7 13.5-1 or 13.6-1] Yc9
Ip = 1.00 [ASCE7 13.1.3] 2
Z = 15 ft Attachment height from base of structure
h = 15 ft Average roof height of structure from base
Wind Parameters: PLAN VIEW
PHORIZ. = 41.7 psf Design Wind Pressure (psf), 1.0W
PupuFr = 32.9 psf Design Wind Pressure (psf), 1.OW
Mechanical Unit Parameters: G
Wp = 407 lbs Total Weight Zcg�
X = 48.0 in Base Dimension (max)
Y = 32.0 in Base Dimension (min) SIDE VIEW
Z = 46.0 in Height of Unit
Zcurb = 14.0 in Height of Curb, where occurs Load Combinations:
XCQ = 24.0 in Center of Gravity Seismic: Wind:
Yco = 16.0 in Center of Gravity (0.9-.2SDS)D + 92E 0.9D + 1.OW
zcq = 23.0 in Center of Gravity (excluding curb) (0.6-.14SDS)D + 0.792E 0.6D + 0.6W
ANALYSIS
Base Shear: (Load applied to all (4) anchors/corners together)
Seismic: 0.4a,S W l
FP = � l P (1+2 h)= 147 lbs <_1.6SDSIPWP = 470 lbs OK
RP I P l >_0.3SDSIPWP = 88 lbs OK
Base Shear, QV„E = 147 lbs Seismic, 92E
Wind: V„w = 834 lbs Wind, 1.OW V,,,BASE = 834 lbs Wind
= 500 (ASD)
Anchor Shear: (Load applied to each anchor/corner)
Seismic: Design Eccentricity = 5%
Anchor: dx dx^2 dy dy^2 ex = 1.2 in e„ = 0.8 in
1 24 576 16 256 Mx-x = 176 in-lbs MV-V = 117 in-lbs
2 24 576 16 256 Y Direction X Direction
3 24 576 16 256 V1,3 = 39 lbs V1,2 = 39 lbs
4 24 576 16 256 V2,4 = 39 lbs V3,4 = 39 lbs
2304 1024
Wind: V1,2,3,4 = 209 lbs Max V,,,ANCHOR = 209 lbs Wind
125 (ASD)
Overturning/Uplift: (Load applied to each anchor/corner)
Seismic: Mot = 5429 Ib-in Seismic, 92E Net Tension: Tx* = 257 lbs
Mres,x = 7382.7 Ib-in Seismic, QE T,,* = 387 lbsoft
Mres,y = 4921.8 Ib-in Seismic, 92EWind: Mt = 25020 Ib-in Wind, 1.OW Max Tu,ANCHOR* = 387 lbsMres,x = 8791.2 Ib-in Wind, 1.0W = 226 (ASDMres,y = 5860.8 Ib-in Wind, 1.0W *Negative(-)values indicate there is no ne
3933 SW Kelly Avenue Portland,OR 97239 lei: 503.222.4453 fax: 503.248.9263 www.vlmk.com
Unit Report For RTU-11 B
Project: —Untitled109 01/04/2016
Prepared By: 04:45PM
R - 1
Unit Parameters Dimensions(ft. in.)&Weight(lb.)***
Unit Model- ------------------------------------------ 48VL-8240403 Unit Length: --------------------------------------------------------4' 0.1875" J
Unit Size: ------------------------_--------------- 24(2.0 Tons) Unit Width:--------------------------------------------------------------2, 8.625" Z
Volts-Phase-Hertz: ---------------------------------------208-1-60 Unit Height:----------------------------------------------------------3' 3.9375" 0
Heating Type:----------------------------------------------------------------------- Gas "' Weights and Dimensions are approximate.Weight does not include roof
curbs,unit packaging,field installed accessories or factory W
Duct Cfg..____-----------------_------------...-___---------_Vertical/Vertical installed options. Approximate dimensions are provided primarily for V
40,000 Btuh shipping purposes.For exact dimensions and weights,refer to appropriate
Standard Unit product data catalog. lZ
Total Operating Weight:____________ ___..._ 337 Ib W
W
LL.
W
Warranty Information
1 year warranty on parts
5 year warranty on compressor
5 year warranty on heat exchanger
No optional warranties were selected.
NOTE: Please see Warranty Catalog 500-089 for explanation of policies and ordering methods.
Ordering Information
Part Number Description Quantity
48VL-B240403 Rooftop Unit 1
Base Unit
Accessories
CPHSTART002A00 Compressor Hard Start Kit 1
CPCRKHTR008A00 240V Crankcase Heater 1
Packaged Rooftop Builder 1.39w Page 2 of 7
Certified Drawing for RTU-11 B
Project: -Untitled109 01/04/2016
Prepared By: 04:45PM
R - 2
UNIT ELECTRICAL UNIT WT. UNIT IEIGNT IN/w CENTER OF 6RAVITT It/w J
CIARACTERISTICS LD 1 96 v RI T I1 Z
48VL1-1N)82/104010{0)30 ?061230-1-/0 330 4914 47.176 1010 17-1311{ 511.1 1S Srti See! 15.11/16 M.5 O
48VL1-/N1130(0401I60)1315)0 2081?30-1. 2061230-3-40 302 155.0 44.1!6 11011 tt-13/t{ 571.1 1S-S/t{ 3661! {5.13116 401.{
4e01f-11111134106010901131510 0612!0-1, 2061230-!-010 376 170.1 401-116 1112 22-1311{ 579.1 1S-5116 See f 1 16-5r8 1 422.3
48VL1-MI36t060109040 460-3-60 310 111611 46-118 1 1111 27-1S116 519.1 1 11-5n{ 3661! 1FS/e 427.3 rW
UNITS VOLTAGE CofMEA 01[IGMT LB/RG '
484(-10111124 0401011010 7061230 40.5 12115 64.0 29.9 18.1 11.1 All
3.3 016./ 31 0 102.5 46.5 Wt751 . •t 754BYLl-lUD7{10601010)60 1i S{.4 z3.{ 15.2 3t 1 414.7 33.7 W
[:4119 �'v,.n Fix tS
x/114 NOTE: ALL TABLE DATA RELEVANT f01 ALL FACTONI INSTALLCO -1i IF Q,IARA81311 TO C0111111611111.11 M7L
NCH$
U.
I05S. [oil
uf.n 01TION3 EXCEPT ECONOMIlEA TOC OF 34I7 ,.... __ _ ..a [355.43 W
DUCT SID[IT UNIL-....... .. 2 [50.62 w/
of NJ nTUIt i 614PV SIDE OPPOSITE DUCTS.....__ ................. .....0 1355.12 Li
!oTTaM c►UNIT _ 411 02.73
FLUE 144EL .._ ............. ....36 C914.41
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Ji1 U01R1ESURFCS. POWER ENTRY
SID ... ...K [111.0]
URD BLOCK 0ES CEWALLS AND MIE
GTDEO SURFACES, POWER ENTIT SIDE ....................17
[144/.6]
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POWER ENTRT SIDE.........................................J?I144{.6]
IEICEPT FO4 NEC REOUIIIEMENTSt
UNIT TM ................::......::'::.::.......46(1211.22
SIDE OPPOSITE DUCTS.......... ...36 1111.03
1.0., •n TOP VEIY
-QlTMM DUCT PANEL . .... .. 012 UOI R71
1MINIMtIM OISTANCES:IF UNIT IS PLACED LESS TIAR i?tf0/-61 FROM WALL
STSTEM,TIEM SIM PERFORMANCE MAYBE COMPROMISED.
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Packaged Rooftop Builder 1.39w Page 3 of 7
48ES A24-48ES A36,50ES A24-50ES A36,48VL A24-48VL A36,50VL Part Number:
SUBMITTAL MicroMetl A24-50VL A36,48VT A24-48VT A30,50VT A24-50VT A30 CRB-SDSML-14
FORM NO. 7843-1 D 2/12/2015
Submitted To:
Company: 101,
Job Name: >-
Notes: J
21 9/1 " �Ap<Y O
Knockdown Curbs w
U
16" Z
Full Perimeter 2��g„ 10" W
NOTES: �yA �
RFry W
• *Custom Heights Are Available. t N
• *Fully Insulated Perimeter Curbs Are Available And
Designated With A"Cl"Suffix. A
• *Hold Down Brackets Are Available For Most Curbs.
• Attach Ductwork Directly To Roof Curb.Flanges Of Duct
Rest On Top Of Curb.
• Any Posted Weight Is Actual Weight,Not Shipping Weight 6��
1
• All Dividers&Supports If Present,Are Flush With Top Of 28 �A3\
3k4,
Curb Unless Noted. �p
Please Contact Factory For Pricing and Availability
FEATURES: I1
2.75"
• Ships Knockdown,Assembly Hardware Provided When
Needed.
• Deck Pans When Factory Provided,Are Factory Insulated. A
• Constructed Of Galvanized Steel. .875„
• Gasketing Package Provided. MicroMetl Curb No. Carrier Curb No. A Weight
• Full Perimeter Wood Nailer Provided. CRB-SDSML-08 8" 56 Ibs
-� 2" CR - -11 CPRFCURB010A00 11" 63 lbs
RB-SDSML-1 CPRFCURB011A00 14" 70 lbs
CRB-SDSML-18 18" 91 lbs
CRB-SDSML-24 1 24" 1 108 lbs
CU 21)
THIS DOCUMENT IS THE PROPERTY OF MICROMETL CORPORATION AND IS DELIVERED UPON THE EXPRESS CONDITION THAT THE CONTENTS WILL NOT BE DISCLOSED OR USED WITHOUT MIROMETL'S WRITTEN CONSENT
MicroMetl Corporation... Indianapolis Indiana — 1-800-662-4822, Sparks Nevada — 1-800-884-4662, Longview Texas— 1-903-248-4800