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Margaret HollisSenior Litigation Partner · Hollis Crane & Associates LLP
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Insurance carriers, law firms & municipal authorities
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Fire-damaged steel structure with exposed beam connections and char marks visible on concrete walls

Post-Fire Structural Assessment

Steel connection failure in a four-story mixed-use building following a second-floor commercial fire. Beam-to-column weld fractures compromised the lateral load path across two bays. The insurer required documented cause-and-origin analysis before approving the $3.1M repair claim.

Report No. FR-2024-0112

EXHIBIT

Fifty-eight-page forensic report with cause-and-origin determination, material testing results, and repair scope. Submitted as Exhibit A in the coverage dispute.

A
Cause & OriginElectrical fault, 2nd floor east wall
B
Weld Fracture ClassificationASTM E1820 — Type III
C
Repair Cost Range$2.87M – $3.24M
D
Timeline to Occupancy14–18 weeks post-approval
Prepared for litigation · Certified P.E.FIR-VRD-26
Cracked concrete foundation with visible differential settlement cracks running diagonally across the wall surface

Differential Settlement Investigation

A 1,200-unit residential development in suburban Houston showed progressive façade cracking 26 months after construction completion. The developer, general contractor, and geotechnical engineer were each named in the litigation. Three separate expert witnesses had produced conflicting opinions.

Cost Matrix CM-2023-0089

EXHIBIT

Itemized repair cost matrix with line-item quantities, unit costs, and contractor assumptions. Used by the mediating attorney to establish a $6.4M settlement baseline.

A
Settlement Magnitude2.3 in. differential (NW corner)
B
Root CauseInadequate pre-load compaction, Lot 7-14
C
Affected Units184 of 1,200 (Phase 1)
D
Settlement Baseline$6.4M (mediated)
Prepared for litigation · Certified P.E.FOU-VRD-26
Water staining and efflorescence on a concrete and glass curtain wall showing moisture infiltration patterns

Envelope Failure & Mold Remediation

A municipal library in Portland reported recurring water intrusion through the curtain wall system six years after construction. The building envelope consultant, waterproofing contractor, and architect were each named. The municipality needed a report defensible in both civil court and a state public-works audit.

Expert Testimony Summary ET-2024-0203

EXHIBIT

Pre-deposition briefing package prepared for lead counsel, including anticipated cross-examination questions, supporting exhibits by tab, and a two-page technical summary written for a lay jury.

A
Intrusion SourceCurtain wall sill flashing failure
B
Moisture Readings38–62% RH (affected zones)
C
Mold ClassificationStachybotrys — AIHA Class 3
D
Remediation Scope$890K (Phase 1 envelope only)
Prepared for litigation · Certified P.E.WAT-VRD-26
0+Cases CompletedSince 2009
0%Reports UncontestedIn deposition or trial
0States of JurisdictionLicensed & registered
$0B+In Claims AnalyzedUSD, across all case types

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