Structural Quality Assurance Checklist
Predesign
Required deliverables submitted
Schematic Design
Required deliverables submitted
Floor framing system(s) appropriate for the structure
Roof framing system appropriate for the structure
Lateral force system appropriate for the structure
Design Development
Required deliverables submitted
NPS structural standards followed
Correct Building Code used
Snow Load correct (1608)
Roof LL correct (1607.11)
Floor LL’s correct (Table 1607.1)
Wind velocity and exposure correct (Fig 1609; 1609.4)
Seismic Ss and Sl correct (Fig. 1615(1) et al)
Frost depth correct
Foundation design consistent with Geotechnical Report
Floor framing system(s) appropriate for the structure
Roof framing system appropriate for the structure
Lateral force system appropriate for the structure
Larger members for larger spans
Larger footings at more heavily loaded columns
Structural dimensions match Architectural drawings
Column orientation matches with Architectural drawings
Column grid lines match with Architectural drawings
Column and bearing wall locations match with Architectural drawings
Complete and continuous load path for gravity loads
Complete and continuous load path for lateral loads
Outline specs provided for all required sections
100% Draft Construction Documents or 100% Draft Design-Build Construction Documents
General
Required deliverables submitted
NPS Structural standards followed
Correct Building Code used
Floor framing system(s) appropriate for the structure
Roof framing system appropriate for the structure
Lateral force system appropriate for the structure
Larger members for larger spans
Larger footings at more heavily loaded columns
Structural dimensions match Architectural drawings
Column orientation matches with Architectural drawings
Column grid lines match with Architectural drawings
Column and bearing wall locations match with Architectural drawings
Loads
Snow Load correct (1608)
Roof LL correct (1607.11)
Floor LL’s correct (Table 1607.1)
Wind velocity and exposure correct (Fig 1609; 1609.4)
Wind Importance Factor correct (Table 1604.5)
Wind Quality Assurance Plan (Exp A & B V3s > 120 mph, Exp C & D V3s > 110 mph) provided (1706)
Seismic S
s
and S
l
correct (Fig. 1615(1) et al)
Seismic use group correct (1612.2)
Seismic site class correct (Table 1615.1.1)
Seismic Importance Factor correct (Table 1604.5)
Seismic Design Category correct (Tables 1616.3(1)(2))
R, _, and C
d
correct (Table 1617.6)
Seismic Resistance Quality Assurance Plan provided (1705)
Complete and continuous load path for gravity loads
Complete and continuous load path for lateral loads
Support for mechanical and electrical equipment
Special loading conditions (cranes, heavy equipment etc.) addressed
Folding partition loads accounted for
Load combinations used correctly
Foundation
Foundation design consistent with Geotechnical Report
Footing extends below frost depth (1805.2.1)
Minimum footing width (1805.4.1)
Footing step elevations close
Seismic requirements for pile foundations
Hold down locations clearly shown
Concrete
Minimum concrete cover shown (ACI 318-99 7.7)
Tie spacing and arrangement correct
Development length correct (ACI 318-99 12.2)
Reinforcing continuity for negative moment areas
Moment magnification considered for concrete columns (ACI 318-99 10.11,.12,.13)
Control joint spacing in slabs-on-grade
Expansion joints – floors, walls, roofs
Crack control for reinforced concrete structures (ACI 318-9910.6.4)
Two mats of steel provided for walls 10" and thicker (ACI 318-99 14.3.4)
Retaining wall reinforcing shown in the correct locations
Masonry
Masonry dimensions modular
Control joint locations and spacing for masonry construction
Bond beams shown correctly
Steel
Correct materials used A992 vs. A36
Adequate stiffeners provided for steel members
“Rolling” forces considered for purlins
Second order effects considered for steel frames
Complicated/unusual connection detailed
Reactions/loads provided for connections not detailed
Base plates – 4 anchor bolts minimum
Minimum fillet weld size shown (AISC 9th Table J2.4)
Special loading conditions for steel bar joists shown
Bar joist connections at columns
Bar joist bridging shown
Bar joist bridging connection to wall or frame
Weld pattern for steel decks shown
Sidelap and endlap fastening
Steel decking continuous over three spans
Requirements for special inspection shown
Light Gage
Wood
Notches and holes (2308.8.2)
Truss bottom chords braced for compression due to load reversals
Truss profiles provided for prefab trusses
Truss loading requirements shown
Permanent bracing of prefab trusses shown
Cross grain bending and tension avoided
Nailing schedule provided (Table 2304.9.1)
Diaphragm and shearwall nailing shown
Top plate splice detail shown
Roof diaphragm shear transfer to shearwalls shown
Specs
All required specification sections provided
Shoring and bracing of excavations
Compaction testing frequency
Appropriate cement type
Water-cement ratio 0.45 max
Testing frequency
Mortar and grout specified correctly
Wood treatment – no CCA
Materials conform to structural standards
Calcs
Deflection limits correct (Table 1604.3)
Concrete and masonry wall anchorage > 200 plf (1604.8.2)
1/3 allowable stress increase not allowed if basic load combinations used (1605.3.1.1)
Partition live load included (1607.5)
Live load reduction (1607.9)
Roof DL corrected for slope
Unbalanced snow loading (1608.6)
Snow drifting (1608.7)
Minimum wind pressure 10 psf for MWFRS and components & cladding (1609.1.2)
Enclosed vs. partially enclosed
Wind uplift addressed
Retaining walls F.S. > 1.5 for sliding and overturning (1610.2)
Ponding on flat roofs (1611.2)
Flood loading when required (1612)
Load duration factors applied correctly for timber design (NDS-2001 Table 2.3.2)
Allowable stress adjustment factors (NDS) applied correctly (NDS-2001 Table 4.3.1)
Submit 100% Complete Construction Documents or 100% Complete Design-Build Construction Documents for Final Approval
Required deliverables submitted
All review comments from 100% Draft Review satisfactorily resolved