28 Crowdis Street Elevation Plan and Full Plan PackageDRAWING TABLE OF CONTENTS
SHEET NO. DESCRIPTION
1.Front Left Isometric View
2.Front Right Isometric View
3.Cross Section at Frame
4.Front Elevation
5.Left Elevation
6.Right Elevation
7.Roof Plan
8.Sill-Floor Plan
9.Face Elevation Overlay
10.Cross Section Overlay
11.General Notes and Legend
12.Foundation Plan
13.Floor Framing Plan
14.D-16 Roof Connection Detail
15.D-135 Endwall Connection Detail
16.D-156 Foundation-Floor-Sill Connection Detail
17.Shop Drawing B.1 - Frame Detail
18.Shop Drawing S.1 - Sill Plan Detail
19.Shop Drawing G.1 - Frame Spacing & Glass Specs
DELTA ENGINEERS, INC
TABLE # 29-A
Pitch
Rise 3
Run 12
Height, front, h ft 8.000
Span, horizontal, L, ft 10
Vertical load, uniform, W, lbs/ft 206 Ground Snow Load assumed: 50 PSF
Vertical load, triangular, Wsv, lbs/ft 0
Horizontal wind load, Wlw, lbs/ft 130 Wind Load Assumed: 127 MPH
tan theta 0.250
alpha 0.800
alpha *(1 + alpha )1.440
alpha**2(Wlw*L)832.000 0.125alpha + 0.167 0.267
0.625alpha + 0.5 1
WL 2060.000
Wsv**2 0
Horizontal Reaction HA (positive to right), lbs -291.133
Horizontal Reaction HC (positive to right), lbs -749.444
alpha + tan theta 1.050
0.5 alpha + tan theta 0.65
Vertical Reaction VA (positive up), lbs 1400.310
Vertical Reaction VC (positive up), lbs 659.690
alpha **3*Wlw*L**2 6656
WL**2 20600
Wsv**2*L 0
Front (Wall) Section Top (Roof) Section
Axial Force, lbs 1400.310 Axial Force, lbs 749.444
Shear Force, lbs Shear Force, lbs
At A 291.133 At B 1400.310
At B -749.444 At C 659.690
Maximum Positive Moment, ft lbs 325.995 Maximum Positive Moment, ft lbs 950.660
Negative Moment at B, ft lbs -1835.56 Maximum Negative Moment, ft lbs -1835.556
Maximum Shear Force, lbs 1400.310
Design Bending Moment, ft lbs 1835.556
D'Alessandro Sunroom Salem, MA
DELTA ENGINEERS, INC.
TABLE # 29-A (continued)
Design of Structure
Selected Section
Width, in. 3
Depth, in. 6
Vertical (Wall) Member Top (Roof) Member
Axial Force, lbs 1400.310 Axial Force, lbs 749.444
Shear Force, lbs 291.133 Shear Force, lbs 1400.310
-749.444 Design Moment, ft lbs 1835.556
Front height, h,ft 8.000 Span, L, ft 10.000
Design Values, psi
Fb 2400
Fv 200
Fc (parallel) 1700
Fc (perpendicular) 650
E 1800000
E min 900000
Section Properties
Coefficient of curvature, Cc 0.74
Depth factor 1
Load duration factor 1.33
Combined factor 1
b, in. 3
d, in. 6
Area of cross section, in**2 18.000
Section modulus, in.**3 18.000
Moment of inertia, in.**4 54.000
Combined Stress Analysis- Roof Member
Actual compression stress, fc, psi 41.636
Actual bending stress, fb, psi 1223.704
Slenderness ratio, L/d 20.000
FCE 1849.500
fc/Fc 0.024
fc/FCE 0.023
fb/Fb 0.510
Combined stress ratio 0.522 < 1 OK
> 1 NG
Maximum shear stress fv 116.693
fv/Fv 0.583 < 1 OK
Vertical Member Analysis > 1 NG
Slenderness ratio 32.000
FCE for column 722.461
α = FCE/FC 0.425
c 0.9
α/c 0.472
(1 + α)/2c 0.792
cp 0.399
Adjusted Fc 677.560
Actual fc 77.795
Stress ratio 0.115 < 1 OK
> 1 Revise section
Report Title: Lawrence/Colleen D'Alessandro Report Date: 9/12/25, 11:09 AM
1 of 2
Compliance Certificate
Project Information
Project Title:
Energy Code:
Location:
Construction Type:
Project Type:
Project Sub Type:
Glazing Area:
Climate Zone:
Project No:
All Electric:
Is Renewable:
Has Battery:
Has Charger:
Has Heat Pump
Lawrence/Colleen D'Alessandro
2023 Massachusetts Stretch Energy Code
Salem, Massachusetts
Single Family
Addition
None
56%
5a (6268 HDD)
1753122
false
false
false
false
true
Construction Site: Owner/Agent: Designer/Contractor:
28 Crowdis Street
Salem , MA 01970
Lawrence/Colleen D'Alessandro
28 Crowdis Street
Salem , MA 01970
160 Southbridge Street
Brady Built Sunrooms
Auburn , MA 01501
508-798-2600
Project Notes:
As per R301.2.1.1.1: This addition is categorized as a CATEGORY IV SUNROOM (conditioned, thermally isolated)
Report Title: Lawrence/Colleen D'Alessandro Report Date: 9/12/25, 11:09 AM
2 of 2
Envelope Assemblies
Assembly Gross Area or
Perimeter
Cavity
R-Value
Cont.
R-Value
Prop.
U-
Factor/
F-Factor
Req.
U-
Factor/
F-Factor
Prop.
UA
Req.
UA
Roof: Cathedral Ceiling 192 21.0 0.0 0.048 0.024 4 2
Fixed IG Unit: Wood
Frame
109 0.240 0.550 26 60
Floor: All-Wood
Joist/Truss
234 30.0 0.0 0.033 0.033 8 8
Front Wall: Wood Frame,
16" o.c.
145 21.0 0.0 0.057 0.045 3 2
Sliding Window: Vinyl
Frame
93 0.300 0.300 28 28
Left Wall: Wood Frame,
16" o.c.
132 21.0 0.0 0.057 0.045 4 3
Sliding Windows: Vinyl
Frame
31 0.300 0.300 9 9
Fixed IG Unit: Wood
Frame
31 0.240 0.300 7 9
RIght Wall: Wood Frame,
16" o.c.
132 21.0 0.0 0.057 0.045 3 3
Fixed IG Unit Copy:
Wood Frame
31 0.240 0.300 7 9
Door: Glass Door (over
50% glazing)
41 0.300 0.300 12 12
Compliance: Passes using UA trade-off
Compliance: 23.4% Better Than Code Max UA: 145 Your UA: 111
The % Better or Worse Than Code Index reflects how close to compliance the house is based on code trade-off rules. It DOES
NOT provide an estimate of energy use or cost relative to a minimum-code home.
Slab-on-grade tradeoffs are no longer considered in the UA or performance compliance path in REScheck. Each slab-on-grade
assembly in the specified climate zone must meet the minimum energy code insulation R-value and depth requirements.
Compliance Statement
The proposed building design described here is consistent with the building plans, specifications, and other calculations
submitted with the permit application. The proposed building has been designed to meet the 2023 Massachusetts Stretch Energy
Code requirements in REScheck-Web and to comply with the mandatory requirements listed in the REScheck Inspection
Checklist.
Name - Title Signature Date
Page 1 of 3
PERFORMANCE
CALCULATOR
15.January.2020 Prepared for Marco Gabrielli
By Bean, Tim
tbean@solarseal.com
Brady Built
Make-up Name Make-up
Icon
Glass 1
&
Coating
Glass 2
&
Coating
Visible Light Ultraviol
et Solar Energy Thermal Properties
Transmit
tance Reflectance
Trans UV
(uv %)
Transmit
tance
Reflectan
ce Solar Heat
Gain
Coefficient
(SHGC)
U-Value
Visible (v
%)v % out v % in Solar (e %)e % out Winter Night
(Btu/hr·ft²·F)
Summer Day
(Btu/hr·ft²·F)
Bronze/SB60
Vitro
Solarbro
nze®
glass
(IGDB)
Vitro
Solarba
n® 60
(IGDB)
on Vitro
Clear
glass
USA
(IGDB)
46 8 10 10 23 19 0.34 0.24 0.22
Calculation Standard: NFRC 2010
Bronze/SB60
Outdoors
Vitro Solarbronze® glass (IGDB)
Thickness = 3/16" (5mm)
#1 -----
#2 -----GLASS 1
10% Air, 90% Argon, 1/2" (12.7mm)GAP 1
Vitro Clear glass USA (IGDB)
Thickness = 3/16" (5mm)
#3 Vitro Solarban® 60 (IGDB)
#4 -----GLASS 2
Total Unit (Nominal) = 7/8 in Slope = 90°
Estimated Nominal Glazing Weight: 4.73 lb/ft²
Indoors
Important Notes
Calculations and terms in this report are based on NFRC 2010. The performance values shown above represent nominal values for
the center of glass with no spacer system or framing.
Laminated products:
It is not guaranteed that modeled laminated configurations will be compliant with relevant laminated safety regulations unless
specifically declared for Guardian products. It is the user’s sole responsibility to assess if the final laminated product should be
certified according to relevant standards and ensure compliance with laminated safety regulations.
Additional consequences for laminated glass with coating facing interlayer (due to contact between coating and interlayer) may
include (not limited to): significant decrease of safety performance for some coating and interlayer combinations; loss of thermal
insulation performance of surface facing the interlayer; noticeable color change; other performance deterioration.
Non-specular products (translucent or diffuse):
The performance measurement for non-specular (translucent or diffuse) materials such as translucent interlayers or acid etched glass
surface, or surface with ceramic frit is limited by the current experimental technologies. Since measurements capture physically only a
part of the resulting radiation, calculated performance results provided herein and based on such measurements are not compliant
with any standard (including EN 410) and may only be used as a general reference. Actual values may vary significantly based upon
exact fabrication process, as well as type, thickness and color of used non-specular material.
Please note that the Thermal Stress Guideline is only a general guide to the thermal safety of a glazing, and it is not a replacement
for detailed thermal stress analysis.
Explanation of Terms
Visible Light Transmittance (Tv, %) is the percentage of incident light in the wavelength range of 380 nm to 780 nm that is
PERFORMANCE
CALCULATOR
Page 2 of 3
transmitted by the glass.
Ultraviolet (UV) Transmittance (Tuv, %) is the percentage of the incident solar radiation transmitted by the glazing in the 300 nm to
380 nm range.
Solar Energy Direct Transmittance (Te, %) is the percentage of incident solar energy in the wavelength range of 300 nm to 2500
nm that is directly transmitted by the glass.
Visible Light Reflectance Outdoors/Indoor (Rv out/in, %) is the percentage of incident visible light directly reflected by the glass.
Solar Direct Reflectance Outdoors/Indoors (Re out/in, %) is the percentage of incident solar energy directly reflected by the glass.
Solar Energy Absorptance (Ae, %) is the percentage of the sun's energy that is absorbed by glass.
U-Value is the glazing parameter that characterizes the heat transfer through the central part of the glazing, i.e. without edge effects,
and expresses the steady-state density of heat transfer rate per temperature difference between the environmental temperatures
on each side. US Standard units are Btu/hr·ft²·F and SI / Metric units are W/m2 K.
Relative Heat Gain (RHG) is the total net heat gain to the indoors due to both the air-to-air thermal conductance and the solar heat
gain. US Standard units are Btu/hr.ft² and SI / Metric units are W/m².
Shading Coefficient (sc) is Solar Factor divided by 0.87. It is a measure of the solar heat gain referenced to 3 mm clear glass which
has the designated value of 1.00.
Solar Heat Gain Coefficient (SHGC) is the sum of the solar direct transmittance and the secondary heat transfer factor of the
glazing towards the inside, the latter resulting from heat transfer by convection and longwave IR-radiation of that part of the
incident solar radiation which has been absorbed by the glazing.
Light-to-Solar Gain (LSG) is the ratio of visible light gain to solar gain. LSG = (Visible Transmittance) / (SHGC)
Color Rendering Index in transmission, D65 (Ra) is the change in color of an object as a result of the light being transmitted by the
glass.
Weighted Sound Reduction Index (Rw) is a single-number quantity which characterizes the airborne sound insulation of a material
or building element over a range of frequencies.
Sound Transmission Class (STC) is a single-number quantity which characterizes the airborne sound insulation of a material or
building element over a range of frequencies.
Disclaimer
This performance analysis is provided for the limited purpose of assisting the user in evaluating the performance of the glass products
identified on this report.
Spectral data for products manufactured by Guardian reflect nominal values derived from typical production samples or CE Initial
Type Testing and subject to variations due to manufacturing and calculation tolerances. Spectral data for products not manufactured
by Guardian were derived from the LBNL International Glazing Database and have not been independently verified by Guardian.
Guardian recommends a full-size mock-up be approved.
The values provided herein are generated according to established engineering practices and applicable calculation standards. Many
factors may affect glazing characteristics, including glass size, building orientation, shading, wind speed, type of installation,
production process and others. The applicability and results of the analysis are directly related to user inputs and any changes in
actual conditions can have a significant effect on the results. It is the responsibility of the users of the analysis to ensure that the
intended application is appropriate and complies with all relevant laws, regulations, standards, codes of practices, processing
guidelines and other requirements. Guardian makes no guarantee that any glazing modeled herein is available from Guardian or any
other manufacturer. The user has the responsibility to check with the manufacturer regarding availability of any glass type or
make-up.
While Guardian has made a good faith effort to verify the reliability of the tools used for this analysis, they may contain unknown
programming errors that could result in inaccurate results. The user assumes all risk relating to the results provided and is solely
responsible for selection of appropriate products for user's application. Guardian makes no express or implied warranty of any kind
with respect to the tools used by Guardian and this analysis. There are no warranties of merchantability, non-infringement or fitness
for a particular purpose with respect to the tools used by Guardian and this analysis and no warranty shall be implied by operation of
law or otherwise. The only warranties applicable to Guardian products are those separately provided in writing for each product. In no
event shall Guardian be liable for direct, indirect, special, consequential or incidental damages of any kind relating to or resulting from
PERFORMANCE
CALCULATOR
Page 3 of 3
use of Guardian tools and analyses.
Trademarks owned by Guardian Industries, LLC and/or its affiliates may be registered in the United States and other jurisdictions. All
other trademarks are property of their respective owners.
Program Version: 4.1.0.8578
Database Version: 20200115
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