[ Case files · From published case studies ]

Sherlock in action

Real issues Sherlock flagged on drawing sets before permit or construction. Every one links to its published case study.

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CriticalStructuralIncorrect Designation of Basic Wind Speed vs. Nominal Wind SpeedASCE 7-1679 issues CriticalMulti-disciplineInadequate Edge Distance and Clearance for Tie-Down Bearing PlateACI 318246 issues CriticalMulti-disciplineEmbed Plates Sized Identical to Concrete Elements Resulting in Zero CoverACI 318191 issues

Fig. 1 · Three critical findings, pinned · each opens its case study

findings below: 100
rated critical: 63
flagged in total: 200K+

Sheet 01·Browse

[ One cell per finding ]

Browse by discipline

All100Architectural11Civil1Electrical4Landscape1Mechanical6Plumbing3Structural24Multi-discipline50

One findingCritical

Fig. 2 · All 100 findings

High
Case closed
Multi-discipline
Outdated and Incorrect Standard for Tendon Corrosion Protection
ACI 318
Case file · 205 issues
High
Case closed
Multi-discipline
Pilaster Top Tie Spacing Exceeds 5-Inch Maximum Distribution Limit
ACI 318
Case file · 46 issues
Critical
Case closed
Structural
Incorrect Designation of Basic Wind Speed vs. Nominal Wind Speed
ASCE 7-16
Case file · 79 issues
High
Case closed
Multi-discipline
Concrete Inspection Table References Non-Existent 2021 IBC Sections 1908.2 Through 1908.10
ACI 318
Case file · 63 issues
High
Case closed
Multi-discipline
Invalid Code Reference and Missing Testing Requirement for Shotcrete Lap Splices
ACI 318 Section 25.2.7
Case file · 72 issues
High
Case closed
Architectural
Missing Thermal Barrier for Polyiso Roof Insulation on Metal Deck
NFPA 275
Case file · 125 issues
High
Case closed
Structural
Missing Air Entrainment Requirement for Exterior Slabs-on-Grade in F1 Exposure
ACI 318
Case file · 52 issues
Critical
Case closed
Multi-discipline
Inadequate Edge Distance and Clearance for Tie-Down Bearing Plate
ACI 318
Case file · 246 issues
High
Case closed
Structural
Power-Actuated Fasteners Improperly Allowed for Structural Cold-Formed Steel
ASCE 7
Case file · 64 issues
High
Case closed
Structural
Drawing References Outdated 2013 CRC Instead of Current 2022 CRC as Governing Code
ASCE7-22
Case file · 35 issues
Critical
Case closed
Multi-discipline
Embed Plates Sized Identical to Concrete Elements Resulting in Zero Cover
ACI 318
Case file · 191 issues
Critical
Case closed
Structural
Incompatible Base Plate Hole Tolerances for Anchor Rods
ACI 117
Case file · 126 issues
High
Case closed
Multi-discipline
Insufficient Transverse Reinforcement for Anchor Bolts at Pier Top
ACI 318
Case file · 25 issues
Critical
Case closed
Structural
Seismic Bracing Attached Using Friction-Based Beam Clamps
ASCE 7
Case file · 87 issues
Critical
Case closed
Architectural
Contradictory Gas Appliance Options vs. Spray Foam Ignition Barrier Exceptions
NEC
Case file · 192 issues
Critical
Case closed
Structural
Adhesive Anchor Threads Wrapped in Teflon Tape Prevents Required Bonding
NEC
Case file · 58 issues
Critical
Case closed
Electrical
Missing Illumination in Exit Stairways
2024 IBC Section 1008.2.1
Case file · 363 issues
High
Case closed
Mechanical
Missing Fire Damper Access Provision in Transfer Air Detail
IFC 2026.03.03.pdf
Case file · 263 issues
Critical
Case closed
Multi-discipline
Incorrect Seismic Response Coefficients (Sds and Sd1) in Design Data
ASCE 7
Case file · 224 issues
Critical
Case closed
Plumbing
Inadequate Seismic Support Specified for 455-Gallon Storage Tank
NFPA 13
Case file · 221 issues
High
Case closed
Structural
Inadequate vertical anchorage reinforcement in typical concrete curb detail
ACI 318
Case file · 127 issues
Critical
Case closed
Mechanical
Mechanical Condenser Units Located Below Design Flood Elevation
ASCE 24
Case file · 227 issues
Critical
Case closed
Multi-discipline
Type B Vent Specified for Condensing Tankless Water Heater Violates CMC 802.4 and 802.11
NFPA 54
Case file · 60 issues
Critical
Case closed
Multi-discipline
Invalid Mezzanine Classification and Area Limitation Violation
IBC 505
Case file · 380 issues
High
Case closed
Multi-discipline
Design spectral response acceleration parameter SD1 not provided on construction documents
ASCE 7 Ch. 12
Case file · 110 issues
High
Case closed
Plumbing
Missing Secondary Roof Drain or Overflow Location
ASCE 7
Case file · 43 issues
Critical
Case closed
Structural
Wind Speed Conflict: S-102 states 136 mph ultimate while G-1 title block states 140 mph
ASCE 7
Case file · 282 issues
High
Case closed
Multi-discipline
Incorrect Referenced Standards (ANSI/AISC 360 & ASCE 7 Editions)
IBC 2024
Case file · 29 issues
Critical
Case closed
Structural
Incorrect High-Strength Concrete Acceptance Criteria
ACI 318
Case file · 70 issues
Critical
Case closed
Multi-discipline
Overestimation of Minimum Dead Load for Wind Uplift Resistance
ASCE-7
Case file · 67 issues

Showing 30 of 100. Browse every case study

[ Case files ]

From the case files

A sample of what Sherlock flags: missing details, wrong code references, load and anchorage errors, egress and fire gaps.

Most-cited code families

ACI30
ASCE26
NFPA16
IBC12
NEC9
IFC3

Fig. 3 · Code families cited by the 100 findings

Case file index24 of 100

Fig. 4 · Findings from published case studies · hover to pause

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Sherlock in action

Browse by discipline

Outdated and Incorrect Standard for Tendon Corrosion Protection

Pilaster Top Tie Spacing Exceeds 5-Inch Maximum Distribution Limit

Incorrect Designation of Basic Wind Speed vs. Nominal Wind Speed

Concrete Inspection Table References Non-Existent 2021 IBC Sections 1908.2 Through 1908.10

Invalid Code Reference and Missing Testing Requirement for Shotcrete Lap Splices

Missing Thermal Barrier for Polyiso Roof Insulation on Metal Deck

Missing Air Entrainment Requirement for Exterior Slabs-on-Grade in F1 Exposure

Inadequate Edge Distance and Clearance for Tie-Down Bearing Plate

Power-Actuated Fasteners Improperly Allowed for Structural Cold-Formed Steel

Drawing References Outdated 2013 CRC Instead of Current 2022 CRC as Governing Code

Embed Plates Sized Identical to Concrete Elements Resulting in Zero Cover

Incompatible Base Plate Hole Tolerances for Anchor Rods

Insufficient Transverse Reinforcement for Anchor Bolts at Pier Top

Seismic Bracing Attached Using Friction-Based Beam Clamps

Contradictory Gas Appliance Options vs. Spray Foam Ignition Barrier Exceptions

Adhesive Anchor Threads Wrapped in Teflon Tape Prevents Required Bonding

Missing Illumination in Exit Stairways

Missing Fire Damper Access Provision in Transfer Air Detail

Incorrect Seismic Response Coefficients (Sds and Sd1) in Design Data

Inadequate Seismic Support Specified for 455-Gallon Storage Tank

Inadequate vertical anchorage reinforcement in typical concrete curb detail

Mechanical Condenser Units Located Below Design Flood Elevation

Type B Vent Specified for Condensing Tankless Water Heater Violates CMC 802.4 and 802.11

Invalid Mezzanine Classification and Area Limitation Violation

Design spectral response acceleration parameter SD1 not provided on construction documents

Missing Secondary Roof Drain or Overflow Location

Wind Speed Conflict: S-102 states 136 mph ultimate while G-1 title block states 140 mph

Incorrect Referenced Standards (ANSI/AISC 360 & ASCE 7 Editions)

Incorrect High-Strength Concrete Acceptance Criteria

Overestimation of Minimum Dead Load for Wind Uplift Resistance

From the case files

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