The table below is a quick-reference guide to the specific design criteria, codes, materials, and details for the cold-formed steel residential project. It serves as a centralized document to ensure that all unique project elements are clearly communicated to the builder, helping to avoid ambiguities in the construction process. This table is designed to be a companion to the structural drawings. The "Table Reference" notes (e.g., T1, T2) within the drawings and annotations correspond directly to the items listed here. For each item, you will find its subject, a brief explanation or the applicable code, and specific details. The "Local Code Reference" and "Applicable Detail" columns are provided for local engineers to specify any regional code modifications or unique requirements, ensuring compliance with local building regulations.
Design Items & Codes
Local Codes and Items to be used
Table Subject
Code or explanation
Detail
Local Code Reference Applicable Detail
Project Design T1 Building Codes
The design is based on the specified codes and engineering calculations.
2021/2023 International Building Code (IBC)
2022 CBC
Section 2211, California Building Code
AISI S100-20 LRFD Steel Design Code AISI S100-16 (W/ S2-20)
AISI S240-20 AISI S400-20 ASCE/SEI 7-16
ACI 318-19 ASTM D698
Cold-Formed Steel (CFS) framing system.
T2 Framing System
FC FrameUpNow
T3 Loads
Ground Snow Load: 30.0 psf Wind Speed: 115 mph Top Chord Dead Load: 20.4 psf Top Chord Live Load: 20.0 psf Concentrated Live Load: 250 lb
The structure is designed to support the specific loads listed.
CFS Profiles
T4 Wall Studs T5 Truss Profiles
350S162-33-50 350S162-43-50
Wall studs are made from 350S162-33-50 steel. The truss system is Truss 350 20G with a TILE bottom chord roof. Consult the beam schedule for specific locations and dimensions. Beams are clad with 18G Flat Sheet of Metal on both sides. Used for vertical members and diagonal members. Used for lapped assembly beams and diagonal members.
2022 CBC
Section 2211, California Building Code
T6 Glulam Beams
Glulam Beams (GB) are used for this project
T7 Wall and Beam Cladding
18G Flat Sheet of Metal
T8 550 Profiles
550S 43mil 50ksi
T9 550 Profiles - Lapped Assemblies 550S 33mil 50ksi
Fasteners & Connections
Fasteners must be used at all joints and connections.
T10
Main Fasteners
FRAMECAD 10g-19mm XDrive FRAMECAD 10g-16mm Flathead Fastener Quantity & Spacing
T11
Minimum of 2 fasteners per joint Minimum screw spacing is 3 x diameter Minimum edge distance is 2.2d for end edge, or 1.5d for side edge. Fasteners should be placed at plate edges & each crossing member.
Maximum spacing of 50mm (2") along the member length. Exterior Frame Walls to be secured with 1/2"X4 Titen Anchor Bolts 48'' O.C. for 1- Storey. 1/2"X4 Titen Anchor Bolts 32'' O.C. for 2- Storey. (N/A) Interior Walls to be secured with Two fasteners are required at each end and each crossing member, with a maximum spacing of 300mm (12") along the member length.
T12
Plate Fasteners
Anchor Bolts
AISI S100-20 LRFD,
T13
1/2"ϕ ASTM F1554 Gr. 36 1/2"ϕ ASTM F1554 Gr. 36
Panel Accessories FRAMECAD 10g-19mm HWH Hex FRAMECAD 10g-19mm Xdrive FRAMECAD 12g-19mm Xdrive 50mm Flat Washer FRAMECAD Hold Down Fix Grommet
T14
TITAN THD10X80 TITAN THD12X110 Truss Accessories FRAMECAD Batten 22 FRAMECAD Batten 40
T15
16'-0" & 20'-4"
20'-4''
FRAMECAD 10g-19mm HWH Hex FRAMECAD Tri Fix
Connectors
AISI S240-20 AND AISI S400-20, AISI S100
T16
S/LS50 Connector RCA 223 Connector FC 32-5/97 Connector S/H2.5 Connector STC Connector 1/2" Corner Back Clip Bracing & Sheathing Tie Plate
S/LS50 Connector With #10 Screws RCA 223 Connector With #10 Screws
Tie Plate With #10 Screws
FC 32-5/97 Connector With #10 Screws
Sheathing material must be of structural quality.
AISI S240-20 and AISI S400-20
T17
Sheathing
Non Structural Sheathing Structural Sheathing 1.5" width 33mil/20 Gauge 2.5" width 33mil/20 Gauge Cross Bracing Foundation & Concrete Concrete Foundation Concrete Rail Bracing
1/2'' Nominal 1/2'' Nominal
Provide chord restraints at the specified spacing.
AISI S400, Section E3 Yes if the home is sheathed Use if home is not sheathed
T18
Indicate Sheathing here
T19
Rail Restraints
Provide rail restraints at ends and over supports.
T20
(3000# PSI AT 28 DAYS) (2500# PSI AT 28 DAYS)
ASTM D698 & ACI 318-19. ASTM D698 & ACI 318-19.
Slab on Grade
Reinforcement GRADE 60 OR GRADE 80
T21
ASTM A706
Shear walls, Special moment frames, and moment frame grade beams
Utility closet accommodation for
T22 T23 T24 T25
Insulation in walls
Insulation against roof
Solar
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