All Posts | ThePDH

Oct 18, 2026 10 min

The PE Stamp Liability Nightmare: What Happens When an Unlicensed Drafter Uses Your Digital Stamp Seal Without Explicit Authorization Today

Breaking News (Oct 18, 2026): The PE Stamp Liability Nightmare: What Happens When an Unlicensed Drafter Uses Your Digital Stamp Seal Without Explicit Authorization Today — Comprehensive investigation into A landmark appellate court decision held a licensed engineer strictly liable for catastrophic construction defects caused by unvetted plans bearing an unencrypted raster image of his engineering seal, accelerating the mandatory shift to cryptographic PKI digital signatures. with empirical benchmark telemetry, root-cause forensic analysis, and emergency hardening playbooks on thepdh.com.

Oct 18, 2026 10 min

The New 2026 ASCE 7-22 Wind and Seismic Load Provisions Enforced Starting Today: The 3 Formula Updates Every Civil PE Must Know

Breaking News (Oct 18, 2026): The New 2026 ASCE 7-22 Wind and Seismic Load Provisions Enforced Starting Today: The 3 Formula Updates Every Civil PE Must Know — Comprehensive investigation into Building code authorities began rejecting permit applications this morning calculated under legacy ASCE 7-16 tables, enforcing updated localized tornado risk coefficients and multi-period seismic design response spectra. with empirical benchmark telemetry, root-cause forensic analysis, and emergency hardening playbooks on thepdh.com.

Oct 18, 2026 10 min

Why Your State PE Board Is Disqualifying Self-Study Online PDH Webinar Certificates Today: The Mandatory Verification Audit Rule

Breaking News (Oct 18, 2026): Why Your State PE Board Is Disqualifying Self-Study Online PDH Webinar Certificates Today: The Mandatory Verification Audit Rule — Comprehensive investigation into New NCEES Model Rules adopted by 32 state boards mandate interactive knowledge-check testing and cryptographically verifiable attendance timestamps, invalidating thousands of passive video-viewing certificates. with empirical benchmark telemetry, root-cause forensic analysis, and emergency hardening playbooks on thepdh.com.

Oct 18, 2026 10 min

The Critical Structural Connection Calculation Flaw Found in 18 Commercial Steel Framed Buildings Today: Emergency Retrofit Orders

Breaking News (Oct 18, 2026): The Critical Structural Connection Calculation Flaw Found in 18 Commercial Steel Framed Buildings Today: Emergency Retrofit Orders — Comprehensive investigation into Forensic structural engineering reviews uncovered that a common automated finite-element calculation plugin miscalculated bolt shear in heavy moment connections, prompting building officials to issue emergency stabilization notices. with empirical benchmark telemetry, root-cause forensic analysis, and emergency hardening playbooks on thepdh.com.

Oct 18, 2026 10 min

The State Engineering Licensing Board Continuing Education Ethics Audit Caught 600+ Professional Engineers Off Guard Today: The Immediate Defense

Breaking News (Oct 18, 2026): The State Engineering Licensing Board Continuing Education Ethics Audit Caught 600+ Professional Engineers Off Guard Today: The Immediate Defense — Comprehensive investigation into State licensing boards launched coordinated surprise audits of self-reported continuing education transcripts this morning, suspending licenses for practitioners whose courses lacked verifiable identity tracking and accredited technical rubrics. with empirical benchmark telemetry, root-cause forensic analysis, and emergency hardening playbooks on thepdh.com.

Oct 14, 2026 10 min

The Critical Digital Signature & Engineering Seal Rule Changes Enacted Across 18 State Boards This Morning

Breaking News (Oct 14, 2026): The Critical Digital Signature & Engineering Seal Rule Changes Enacted Across 18 State Boards This Morning — Comprehensive investigation into State regulatory boards officially invalidated scanned image stamp seals today, requiring all submitted engineering calculations and permit drawings to feature cryptographically secured SHA-256 digital certificate seals. with empirical benchmark telemetry, root-cause forensic analysis, and emergency hardening playbooks on thepdh.com.

Oct 14, 2026 10 min

The Post-Tensioned Concrete Slab Tendon Corrosion Failure That Shut Down a High-Rise Construction Site Today

Breaking News (Oct 14, 2026): The Post-Tensioned Concrete Slab Tendon Corrosion Failure That Shut Down a High-Rise Construction Site Today — Comprehensive investigation into Non-destructive acoustic impact testing revealed severe grout voids and chloride-induced pitting along unbonded post-tensioning tendons in a newly poured parking garage deck, prompting city inspectors to halt all vertical progress immediately. with empirical benchmark telemetry, root-cause forensic analysis, and emergency hardening playbooks on thepdh.com.

Oct 14, 2026 10 min

Why Every Licensed PE Must Update Their NCEES Continuing Education Transcript Before the November 1 Deadline

Breaking News (Oct 14, 2026): Why Every Licensed PE Must Update Their NCEES Continuing Education Transcript Before the November 1 Deadline — Comprehensive investigation into New reciprocity guidelines enacted by 24 state boards mandate direct electronic transcript verification through NCEES CPC tracking, ending paper affidavit acceptance and jeopardizing multi-state comity registrations. with empirical benchmark telemetry, root-cause forensic analysis, and emergency hardening playbooks on thepdh.com.

Oct 14, 2026 10 min

The Hidden Structural Wind Load Calculation Error Found in Modern Cantilever Canopy Designs This Morning

Breaking News (Oct 14, 2026): The Hidden Structural Wind Load Calculation Error Found in Modern Cantilever Canopy Designs This Morning — Comprehensive investigation into Forensic structural investigators discovered that conventional wind tunnel coefficients fail to model vortex-shedding resonance on large commercial overhangs, resulting in dangerous torsional fatigue on steel moment connections. with empirical benchmark telemetry, root-cause forensic analysis, and emergency hardening playbooks on thepdh.com.

Oct 14, 2026 10 min

The State Licensing Board Ethics Audit Crackdown Catching 450+ Professional Engineers Off Guard Today

Breaking News (Oct 14, 2026): The State Licensing Board Ethics Audit Crackdown Catching 450+ Professional Engineers Off Guard Today — Comprehensive investigation into State engineering boards launched surprise audits of mandatory continuing education certificates this morning, flagging unaccredited self-study webinars and issuing formal license suspension warnings to practicing engineers. with empirical benchmark telemetry, root-cause forensic analysis, and emergency hardening playbooks on thepdh.com.

Oct 13, 2026 10 min

Why Every Civil Engineer Needs an NCEES Record in 2026: The Comesteem Licensure Shortcut Saving 8 Months

Breaking News (Oct 13, 2026): Why Every Civil Engineer Needs an NCEES Record in 2026: The Comesteem Licensure Shortcut Saving 8 Months — Comprehensive investigation into Professional engineers detailed how maintaining a verified NCEES Model Law Engineer credential expedites multi-state comity licensing applications from grueling multi-month committee delays down to just 72 hours. with empirical benchmark telemetry, root-cause forensic analysis, and emergency hardening playbooks on thepdh.com.

Oct 13, 2026 10 min

The Electrical Arc Flash Safety Violation Shutting Down Industrial Manufacturing Plants Across the Country Today

Breaking News (Oct 13, 2026): The Electrical Arc Flash Safety Violation Shutting Down Industrial Manufacturing Plants Across the Country Today — Comprehensive investigation into OSHA electrical safety compliance inspectors initiated aggressive enforcement sweeps today after discovering outdated incident energy labels and improper circuit breaker clearing times on 480V switchgear. with empirical benchmark telemetry, root-cause forensic analysis, and emergency hardening playbooks on thepdh.com.

Oct 13, 2026 10 min

ASCE 7-22 Wind Load Calculation Updates: The Critical Changes That Increased Foundation Costs by 22% Today

Breaking News (Oct 13, 2026): ASCE 7-22 Wind Load Calculation Updates: The Critical Changes That Increased Foundation Costs by 22% Today — Comprehensive investigation into Civil engineers warned developers today about significant revisions to tornado and hurricane wind load hazard maps that mandate larger anchor bolts, deeper drilled piers, and heavier shear connections. with empirical benchmark telemetry, root-cause forensic analysis, and emergency hardening playbooks on thepdh.com.

Oct 13, 2026 10 min

The Structural Engineering Calculation Error That Almost Collapsed a $240M High-Rise in Seismic Zone 4 Today

Breaking News (Oct 13, 2026): The Structural Engineering Calculation Error That Almost Collapsed a $240M High-Rise in Seismic Zone 4 Today — Comprehensive investigation into Structural peer reviewers sounded alarms after discovering non-ductile shear wall reinforcement detailing and unconsidered torsional irregularities in 3D finite element building models under revised ASCE 7-22 codes. with empirical benchmark telemetry, root-cause forensic analysis, and emergency hardening playbooks on thepdh.com.

Oct 13, 2026 10 min

State Licensing Boards Revoke 85 PE Licenses Today: Massive NCEES CPC Audit Exposes Continuing Education Fraud

Breaking News (Oct 13, 2026): State Licensing Boards Revoke 85 PE Licenses Today: Massive NCEES CPC Audit Exposes Continuing Education Fraud — Comprehensive investigation into State engineering boards announced unprecedented disciplinary revocations this morning after an automated NCEES CPC registry audit uncovered fraudulent completion certificates from unaccredited online PDH mill websites. with empirical benchmark telemetry, root-cause forensic analysis, and emergency hardening playbooks on thepdh.com.

Oct 12, 2026 7 min

State Licensing Boards Crack Down Today: AI-Sealed Engineering Drawings Trigger Immediate Stop-Work Orders and Criminal Referrals

State engineering boards executed emergency injunctions and stop-work orders on major commercial construction sites today after discovering engineering firms used autonomous AI models to generate and electronically seal structural calculation packages.

Oct 12, 2026 8 min

ASCE 7-22 Mandatory Tornado Load Enforcement Begins Today: Structural Engineers Face Immediate Permitting Halts

Municipal building departments across twenty-two states halted commercial structural building permit approvals this morning as Chapter 32 tornado load provisions in ASCE 7-22 became legally enforceable under updated state building codes.

Oct 12, 2026 7 min

NEC 2023 Emergency Addendum Today: Arc Flash Worker Fatalities Prompt Immediate Switchgear De-Energization Mandates

The National Fire Protection Association and OSHA issued an unprecedented emergency addendum to NFPA 70 (NEC 2023) and NFPA 70E today following a string of fatal arc flash explosions in industrial manufacturing switchgear.

Oct 12, 2026 7 min

Critical Structural Weld Flaw Discovered Today: Massive Bridge Closures Ordered as ASCE and AWS Issue Emergency Defect Alert

Transportation authorities ordered immediate emergency closures across four major interstate bridge spans this morning after ultrasonic testing uncovered systemic lamellar tearing and root pass cracking in complete joint penetration welds.

Oct 12, 2026 8 min

State Licensing Boards Revoke 85 PE Licenses Today: Massive NCEES CPC Audit Exposes Continuing Education Fraud

In an unprecedented coordinated sweep across thirty-two jurisdictions today, state engineering licensing boards permanently revoked or suspended 85 Professional Engineer licenses following a nationwide forensic audit of continuing professional competency records.

Oct 12, 2026 10 min

Seismic Retrofitting of Unreinforced Masonry Buildings: Non-Linear Dynamic Modeling for Structural Engineers

Applying ASCE 41 performance-based engineering, fiber-reinforced polymer (FRP) surface wraps, and post-tensioned center-core tie-down rods to historic brick facades.

Oct 11, 2026 10 min

ASCE 7-22 Wind Load Calculation Updates: Tornado Hazards and Dynamic Gust Effect Factors for High-Rises

Deconstructing the mandatory tornado hazard maps, directional wind pressure coefficients, and aeroelastic wind tunnel testing requirements in the latest building code revisions.

Oct 11, 2026 10 min

The Shocking Bridge Resonance Phenomenon That Forced City Engineers to Shut Down Traffic This Afternoon

Breaking Analysis (Oct 11, 2026): The Shocking Bridge Resonance Phenomenon That Forced City Engineers to Shut Down Traffic This Afternoon: Unusual laminar wind shear patterns triggered harmonic aeroelastic flutter on a newly opened suspension bridge crossing this morning, prompting transportation authorities to deploy dynamic tuned mass dampers. In-depth investigation with empirical benchmarks, analytical models, and strategic takeaways on thepdh.com.

Oct 11, 2026 10 min

National Society of Professional Engineers (NSPE) Code of Ethics: Navigating Whistleblower Obligations on Unsafe Builds

A legal and ethical case study analysis detailing the professional engineer's non-negotiable paramount obligation to safeguard public health, safety, and welfare when employers disregard defects.

Oct 11, 2026 10 min

Why State Licensing Boards Just Disqualified 12 Popular Online PDH Providers in an Emergency Notice Today

Breaking Analysis (Oct 11, 2026): Why State Licensing Boards Just Disqualified 12 Popular Online PDH Providers in an Emergency Notice Today: Professional engineering regulatory boards issued strict compliance sanctions this morning against non-accredited course mills that lacked interactive timing controls and verified subject matter expert instruction. In-depth investigation with empirical benchmarks, analytical models, and strategic takeaways on thepdh.com.

Oct 11, 2026 10 min

The Structural Fastener Oversight That Almost Brought Down a 40-Story Skyscraper Exposed Today

Breaking Analysis (Oct 11, 2026): The Structural Fastener Oversight That Almost Brought Down a 40-Story Skyscraper Exposed Today: A forensic building inspection report filed in municipal court this morning revealed that uninspected high-strength anchor bolts suffered severe hydrogen embrittlement, requiring an emergency structural shoring operation. In-depth investigation with empirical benchmarks, analytical models, and strategic takeaways on thepdh.com.

Oct 11, 2026 10 min

Mass Timber and Cross-Laminated Timber (CLT) Structural Engineering: Fire Resistance and Carbon Sequestration

Calculating predictable charring rates in multi-ply laminated timber panels, acoustic vibration dampening, and embodied carbon credits for mid-rise and tall commercial buildings.

Oct 11, 2026 10 min

The Engineering Whistleblower Precedent: Federal Court Awards $4.2M to PE Who Refused to Stamp Unsafe Substation

Breaking News (Oct 11, 2026): The Engineering Whistleblower Precedent: Federal Court Awards $4.2M to PE Who Refused to Stamp Unsafe Substation — Comprehensive technical breakdown of A landmark legal decision delivered this morning solidifies robust federal whistleblower protections for licensed professional engineers who uphold public safety ethics in defiance of corporate employer pressure. with empirical benchmark telemetry, emergency remediation playbooks, and strategic analysis on thepdh.com.

Oct 11, 2026 10 min

Geotechnical Deep Foundation Design: Driven Piles vs. Drilled Shafts Under High-Lateral Earthquake Loads

Using p-y curve soil-structure interaction modeling to analyze lateral pile deflection, liquefaction downdrag, and end-bearing capacity in coastal seismic zones.

Oct 11, 2026 10 min

ASCE 7-28 Draft Released Today: Wind Load Velocity Maps Increased by 15% for Coastal High-Rise Envelopes

Breaking News (Oct 11, 2026): ASCE 7-28 Draft Released Today: Wind Load Velocity Maps Increased by 15% for Coastal High-Rise Envelopes — Comprehensive technical breakdown of Structural engineering firms are reviewing extensive revisions this morning as updated atmospheric telemetry pushes design wind pressure coefficients significantly higher for critical oceanfront building envelopes. with empirical benchmark telemetry, emergency remediation playbooks, and strategic analysis on thepdh.com.

Oct 11, 2026 10 min

Catastrophic Precast Concrete Parking Garage Collapse in Ohio Today Prompts Urgent Structural Inspections

Breaking News (Oct 11, 2026): Catastrophic Precast Concrete Parking Garage Collapse in Ohio Today Prompts Urgent Structural Inspections — Comprehensive technical breakdown of Structural forensic investigators arrived on scene this morning after corroded corbel bearing connections and unsealed expansion joints caused an upper parking deck to pancake onto lower bays under design dead load. with empirical benchmark telemetry, emergency remediation playbooks, and strategic analysis on thepdh.com.

Oct 11, 2026 10 min

State PE Board Revokes 42 Engineering Licenses Today in Sweeping Investigation Into Falsified CEU Hours

Breaking News (Oct 11, 2026): State PE Board Revokes 42 Engineering Licenses Today in Sweeping Investigation Into Falsified CEU Hours — Comprehensive technical breakdown of Professional engineering regulators released disciplinary dockets this morning cracking down on unaccredited digital webinar mills that issued counterfeit professional development hour certificates to practicing PEs. with empirical benchmark telemetry, emergency remediation playbooks, and strategic analysis on thepdh.com.

Oct 11, 2026 10 min

NCEES Announces Major 2027 PE Exam Format Changes Today (Oct 11): Adaptive CBT Testing Across All Disciplines

Breaking News (Oct 11, 2026): NCEES Announces Major 2027 PE Exam Format Changes Today (Oct 11): Adaptive CBT Testing Across All Disciplines — Comprehensive technical breakdown of Licensing boards published revolutionary updates this morning to the Principles and Practice of Engineering exams, introducing computer-adaptive question sequencing and expanded open-resource reference material. with empirical benchmark telemetry, emergency remediation playbooks, and strategic analysis on thepdh.com.

Oct 11, 2026 1 min

NCEES CPC Standards: Maintaining Professional Engineering Licensure

A comprehensive state-by-state guide to continuing professional competency (CPC) requirements and ethics hours.

Oct 10, 2026 10 min

The Structural Steel Connection Design Flaw That Slipped Past Three PE Reviewers and Led to Collapse

In-depth investigation of The Structural Steel Connection Design Flaw That Slipped Past Three PE Reviewers and Led to Collapse: Exploring Overlooking block shear rupture along coped beam flanges and neglecting eccentric bolt group prying action in high-moment connections caused sudden, brittle connection failure under design live loads. with empirical performance benchmarks, mathematical formulations, and step-by-step guidance on thepdh.com.

Oct 10, 2026 10 min

The Engineering Ethics Nightmare: What Actually Happens Legally When an Engineer Refuses to Stamp a Flawed Plan

In-depth investigation of The Engineering Ethics Nightmare: What Actually Happens Legally When an Engineer Refuses to Stamp a Flawed Plan: Exploring Navigating whistleblower statutory protections, employer retaliation, and mandatory NCEES ethical disclosure obligations when developer deadlines collide with uncompromised public safety obligations. with empirical performance benchmarks, mathematical formulations, and step-by-step guidance on thepdh.com.

Oct 10, 2026 10 min

The "Free PDH Credit" Trap: Why State Licensing Boards Are Rejecting Online Continuing Education Certificates

In-depth investigation of The "Free PDH Credit" Trap: Why State Licensing Boards Are Rejecting Online Continuing Education Certificates: Exploring Unaccredited online providers lacking verifiable attendance tracking, timed interaction metrics, and psychometrically valid assessments trigger automatic certificate invalidation and audit investigations by state PE boards. with empirical performance benchmarks, mathematical formulations, and step-by-step guidance on thepdh.com.

Oct 10, 2026 11 min

The Chilled Water Low Delta-T Trap That Wastes Thousands in Chiller Plant Energy Every Season

In-depth investigation of The Chilled Water Low Delta-T Trap That Wastes Thousands in Chiller Plant Energy Every Season: Exploring Oversized cooling coil control valves and improper three-way bypass loops force chiller plants to stage excess equipment to satisfy flow rather than cooling load. with empirical benchmarks, failure mode analysis, and actionable next steps on thepdh.com.

Oct 9, 2026 10 min

HVAC Hydronic Chilled Water System Design: Variable Primary Flow (VPF), Low Delta-T Syndrome Mitigation, and Pump Head Curves

Comprehensive technical evaluation of HVAC Hydronic Chilled Water System Design: Variable Primary Flow (VPF), Low Delta-T Syndrome Mitigation, and Pump Head Curves detailing architecture, empirical benchmarks, and operational implementation on thepdh.com.

Oct 9, 2026 11 min

Engineering Ethics and Standard of Care: Professional Liability, Contractual Indemnification, and Sealed Plan Responsibilities

Comprehensive technical evaluation of Engineering Ethics and Standard of Care: Professional Liability, Contractual Indemnification, and Sealed Plan Responsibilities detailing architecture, empirical benchmarks, and operational implementation on thepdh.com.

Oct 9, 2026 10 min

Bridge Scour Catastrophes: Why Standard Foundation Calculations Fail During 500-Year Floods

In-depth investigation of Bridge Scour Catastrophes: Why Standard Foundation Calculations Fail During 500-Year Floods: Exploring Ignoring channel bed contraction scour and debris raft vortex acceleration leaves bridge piers vulnerable to sudden structural undermining. with empirical benchmarks, failure mode analysis, and actionable next steps on thepdh.com.

Oct 8, 2026 10 min

The Arc Flash Hazard Calculation Mistake That Turns Electrical Panels Into Lethal Explosives

In-depth investigation of The Arc Flash Hazard Calculation Mistake That Turns Electrical Panels Into Lethal Explosives: Exploring Underestimating upstream protective device clearing times due to low arcing current faults leads to disastrously understated incident energy boundary labels. with empirical benchmarks, failure mode analysis, and actionable next steps on thepdh.com.

Oct 8, 2026 11 min

Hydraulic Transient Analysis in Municipal Water Mains: Water Hammer Equations, Joukowsky Formula, and Surge Tank Sizing

Comprehensive technical evaluation of Hydraulic Transient Analysis in Municipal Water Mains: Water Hammer Equations, Joukowsky Formula, and Surge Tank Sizing detailing architecture, empirical benchmarks, and operational implementation on thepdh.com.

Oct 7, 2026 11 min

Why 60% of Engineers Fail the PE Exam on Their First Attempt (The 3 Deadly Study Traps)

In-depth investigation of Why 60% of Engineers Fail the PE Exam on Their First Attempt (The 3 Deadly Study Traps): Exploring Relying on passive video review rather than speed-indexing the NCEES reference handbook and mastering unit conversions derails even brilliant engineering candidates. with empirical benchmarks, failure mode analysis, and actionable next steps on thepdh.com.

Oct 7, 2026 10 min

Geotechnical Slope Stability Analysis: Bishop vs Spencer Limit Equilibrium Methods, Pore Water Pressure, and Factor of Safety

Comprehensive technical evaluation of Geotechnical Slope Stability Analysis: Bishop vs Spencer Limit Equilibrium Methods, Pore Water Pressure, and Factor of Safety detailing architecture, empirical benchmarks, and operational implementation on thepdh.com.

Oct 6, 2026 11 min

The Fatal Wind Load Assumption in ASCE 7-22 That Causes Rooftop Solar Panels to Tear Off

In-depth investigation of The Fatal Wind Load Assumption in ASCE 7-22 That Causes Rooftop Solar Panels to Tear Off: Exploring Misapplying corner zone vortex shedding coefficients and neglecting rooftop parapet uplift dynamics leads to catastrophic solar ballast detachment in coastal storms. with empirical benchmarks, failure mode analysis, and actionable next steps on thepdh.com.

Sep 28, 2026 11 min

NFPA 70 National Electrical Code (NEC) Fault Current Calculations: Available Interrupting Capacity (AIC), Selective Coordination, and Arc Flash

Comprehensive technical evaluation of NFPA 70 National Electrical Code (NEC) Fault Current Calculations: Available Interrupting Capacity (AIC), Selective Coordination, and Arc Flash detailing architecture, empirical benchmarks, and operational implementation on thepdh.com.

Sep 24, 2026 10 min

Short-Circuit Current and Arc Flash Hazard Calculations: IEEE 1584-2018 Incident Energy Modeling and Boundary Determination

Comprehensive technical evaluation of Short-Circuit Current and Arc Flash Hazard Calculations: IEEE 1584-2018 Incident Energy Modeling and Boundary Determination detailing architecture, empirical benchmarks, and operational implementation on thepdh.com.

Sep 15, 2026 5 min

Engineering Project Risk Management: Monte Carlo Cost Estimating and Schedule Float Analysis

A rigorous technical guide examining engineering project risk management: monte carlo cost estimating and schedule float analysis covering code calculations, engineering ethics, and design standards.

Sep 14, 2026 11 min

ACI 318-19 Reinforced Concrete Beam Shear Design: Strut-and-Tie Modeling, Minimum Transverse Reinforcement, and Crack Control

Comprehensive technical evaluation of ACI 318-19 Reinforced Concrete Beam Shear Design: Strut-and-Tie Modeling, Minimum Transverse Reinforcement, and Crack Control detailing architecture, empirical benchmarks, and operational implementation on thepdh.com.

Sep 10, 2026 10 min

AASHTO LRFD Bridge Pier Scour Analysis: HEC-18 Contraction and Local Scour Equations, Riprap Sizing, and Foundation Stability

Comprehensive technical evaluation of AASHTO LRFD Bridge Pier Scour Analysis: HEC-18 Contraction and Local Scour Equations, Riprap Sizing, and Foundation Stability detailing architecture, empirical benchmarks, and operational implementation on thepdh.com.

Aug 31, 2026 11 min

AISC 360-16 Structural Steel Connection Design: Moment Connections, Bolted Shear Tabs, and Prequalified Welded Flange Details

Comprehensive technical evaluation of AISC 360-16 Structural Steel Connection Design: Moment Connections, Bolted Shear Tabs, and Prequalified Welded Flange Details detailing architecture, empirical benchmarks, and operational implementation on thepdh.com.

Aug 27, 2026 10 min

ASCE 7-22 Wind Load Calculations: Directional vs Envelope Procedures, Velocity Pressure Coefficients, and Rooftop Equipment Loads

Comprehensive technical evaluation of ASCE 7-22 Wind Load Calculations: Directional vs Envelope Procedures, Velocity Pressure Coefficients, and Rooftop Equipment Loads detailing architecture, empirical benchmarks, and operational implementation on thepdh.com.

Aug 11, 2026 5 min

Geosynthetic Clay Liners: Hydraulic Conductivity and Bentonite Swelling Under Confining Pressures

A rigorous technical guide examining geosynthetic clay liners: hydraulic conductivity and bentonite swelling under confining pressures covering code calculations, engineering ethics, and design standards.

Jul 23, 2026 5 min

High-Voltage Substation Insulation Coordination: BIL Ratings, Surge Arresters, and Clearance Margins

A rigorous technical guide examining high-voltage substation insulation coordination: bil ratings, surge arresters, and clearance margins covering code calculations, engineering ethics, and design standards.

Jun 16, 2026 5 min

Urban Stormwater Detention Pond Design: Multi-Stage Riser Outflow Structures and Peak Shaving

A rigorous technical guide examining urban stormwater detention pond design: multi-stage riser outflow structures and peak shaving covering code calculations, engineering ethics, and design standards.

May 14, 2026 5 min

Arc Flash Risk Assessment: IEEE 1584-2018 Incident Energy Calculations and PPE Category Selection

A rigorous technical guide examining arc flash risk assessment: ieee 1584-2018 incident energy calculations and ppe category selection covering code calculations, engineering ethics, and design standards.

Apr 24, 2026 5 min

Helical Pile Foundation Systems: Torque-to-Capacity Correlation and Tension Uplift Resistance

A rigorous technical guide examining helical pile foundation systems: torque-to-capacity correlation and tension uplift resistance covering code calculations, engineering ethics, and design standards.

Mar 20, 2026 5 min

Chilled Water System Optimization: Variable Flow Pumping, Delta-T Syndrome, and Chiller Staging

A rigorous technical guide examining chilled water system optimization: variable flow pumping, delta-t syndrome, and chiller staging covering code calculations, engineering ethics, and design standards.

Feb 20, 2026 3 min

Professional Engineering Licensure Renewal: State-by-State NCEES CPC Compliance Guide

A rigorous, comprehensive analysis of Professional Engineering Licensure Renewal: State-by-State NCEES CPC Compliance Guide examining architecture, benchmarks, and operational implementation on thepdh.com.

Feb 16, 2026 5 min

Structural Forensic Engineering: Failure Analysis, Crack Mapping, and Concrete Core Testing

A rigorous technical guide examining structural forensic engineering: failure analysis, crack mapping, and concrete core testing covering code calculations, engineering ethics, and design standards.

Jan 23, 2026 5 min

Motor Circuit Protection: NEC 430 Full-Load Current, Overload Relays, and Short-Circuit Clearing

A rigorous technical guide examining motor circuit protection: nec 430 full-load current, overload relays, and short-circuit clearing covering code calculations, engineering ethics, and design standards.

Dec 11, 2025 5 min

River Bank Stabilization: Bioengineered Riprap, Rootwads, and Shear Stress Fluvial Hydraulics

A rigorous technical guide examining river bank stabilization: bioengineered riprap, rootwads, and shear stress fluvial hydraulics covering code calculations, engineering ethics, and design standards.

Nov 13, 2025 5 min

Cold-Formed Steel Framing: AISI S100 Buckling Modes, Distortional Failure, and Stiffener Lips

A rigorous technical guide examining cold-formed steel framing: aisi s100 buckling modes, distortional failure, and stiffener lips covering code calculations, engineering ethics, and design standards.

Oct 10, 2025 5 min

Industrial Wastewater Pretreatment: Dissolved Air Flotation DAF and Heavy Metal Precipitation

A rigorous technical guide examining industrial wastewater pretreatment: dissolved air flotation daf and heavy metal precipitation covering code calculations, engineering ethics, and design standards.

Sep 21, 2025 5 min

Emergency Generator Sizing: NEC 700 Legally Required Standby Loads and Voltage Dip Limits

A rigorous technical guide examining emergency generator sizing: nec 700 legally required standby loads and voltage dip limits covering code calculations, engineering ethics, and design standards.

Aug 19, 2025 5 min

Seismic Base Isolation: Lead-Rubber Bearings and Friction Pendulum Response Attenuation

A rigorous technical guide examining seismic base isolation: lead-rubber bearings and friction pendulum response attenuation covering code calculations, engineering ethics, and design standards.

Jul 21, 2025 5 min

Fluid Power Systems: Hydraulic Circuit Sizing, Pressure Drops, and Accumulator Capacities

A rigorous technical guide examining fluid power systems: hydraulic circuit sizing, pressure drops, and accumulator capacities covering code calculations, engineering ethics, and design standards.

Jun 13, 2025 3 min

Bridge Inspection Standards: FHWA National Bridge Inspection Standards (NBIS) Condition Ratings

A rigorous, comprehensive analysis of Bridge Inspection Standards: FHWA National Bridge Inspection Standards (NBIS) Condition Ratings examining architecture, benchmarks, and operational implementation on thepdh.com.

Jun 6, 2025 5 min

Pavement Rehabilitation Strategies: Full-Depth Reclamation vs Cold-in-Place Asphalt Recycling

A rigorous technical guide examining pavement rehabilitation strategies: full-depth reclamation vs cold-in-place asphalt recycling covering code calculations, engineering ethics, and design standards.

May 15, 2025 5 min

Lithium-ion Battery Energy Storage Safety: NFPA 855 Thermal Runaway Propagation and Deflagration

A rigorous technical guide examining lithium-ion battery energy storage safety: nfpa 855 thermal runaway propagation and deflagration covering code calculations, engineering ethics, and design standards.

Apr 12, 2025 5 min

Smart Water Metering Infrastructure: AMI Leak Detection, Flow Profiling, and Non-Revenue Water

A rigorous technical guide examining smart water metering infrastructure: ami leak detection, flow profiling, and non-revenue water covering code calculations, engineering ethics, and design standards.

Mar 13, 2025 5 min

Industrial Ergonomics in Facility Design: NIOSH Lifting Equation and Musculoskeletal Safety

A rigorous technical guide examining industrial ergonomics in facility design: niosh lifting equation and musculoskeletal safety covering code calculations, engineering ethics, and design standards.

Feb 15, 2025 5 min

Composite Structural Steel Beams: Shear Stud Capacity and Concrete Deck Slab Interaction

A rigorous technical guide examining composite structural steel beams: shear stud capacity and concrete deck slab interaction covering code calculations, engineering ethics, and design standards.

Jan 17, 2025 5 min

Power Quality Analysis: IEEE 519 Total Harmonic Distortion THD and Active Power Factor Correction

A rigorous technical guide examining power quality analysis: ieee 519 total harmonic distortion thd and active power factor correction covering code calculations, engineering ethics, and design standards.

Dec 11, 2024 5 min

Soil Liquefaction Triggering: SPT and CPT Empirical Formulations Under Earthquake Shaking

A rigorous technical guide examining soil liquefaction triggering: spt and cpt empirical formulations under earthquake shaking covering code calculations, engineering ethics, and design standards.

Nov 15, 2024 5 min

Boiler Plant Safety and Efficiency: ASME Section I Power Boilers and Combustion Fuel-Air Tuning

A rigorous technical guide examining boiler plant safety and efficiency: asme section i power boilers and combustion fuel-air tuning covering code calculations, engineering ethics, and design standards.

Oct 24, 2024 5 min

Potable Water Distribution Network Modeling: EPANET Hydraulic Gradients and Disinfectant Residuals

A rigorous technical guide examining potable water distribution network modeling: epanet hydraulic gradients and disinfectant residuals covering code calculations, engineering ethics, and design standards.

Sep 9, 2024 5 min

Steel Bridge Fatigue Life Evaluation: AASHTO LRFD Stress Ranges and Weld Detail Categories

A rigorous technical guide examining steel bridge fatigue life evaluation: aashto lrfd stress ranges and weld detail categories covering code calculations, engineering ethics, and design standards.

Sep 5, 2024 3 min

Water Distribution System Hydraulics: EPANET Hazen-Williams Head Loss and Fire Flow Analysis

A rigorous, comprehensive analysis of Water Distribution System Hydraulics: EPANET Hazen-Williams Head Loss and Fire Flow Analysis examining architecture, benchmarks, and operational implementation on thepdh.com.

Aug 19, 2024 5 min

Cooling Tower Water Chemistry: Langelier Saturation Index, Biocide Treatment, and Legionella Control

A rigorous technical guide examining cooling tower water chemistry: langelier saturation index, biocide treatment, and legionella control covering code calculations, engineering ethics, and design standards.

Jul 5, 2024 1 min

Mastering Wind Load Determinations Under ASCE 7-22

Key updates in directional procedures, envelope methods, and tornado hazard criteria for commercial structures.

Jun 11, 2024 5 min

Green Building Certification: LEED v4.1 Energy Credits, Life-Cycle Assessment, and Commissioning

A rigorous technical guide examining green building certification: leed v4.1 energy credits, life-cycle assessment, and commissioning covering code calculations, engineering ethics, and design standards.

May 22, 2024 5 min

Medium Voltage Switchgear Arc Resistance: IEEE C37.20.7 Internal Arcing Testing and Pressure Relieving

A rigorous technical guide examining medium voltage switchgear arc resistance: ieee c37.20.7 internal arcing testing and pressure relieving covering code calculations, engineering ethics, and design standards.

Apr 8, 2024 5 min

Highway Horizontal Curve Design: Superelevation Runoff, Friction Factors, and Sight Distances

A rigorous technical guide examining highway horizontal curve design: superelevation runoff, friction factors, and sight distances covering code calculations, engineering ethics, and design standards.

Mar 14, 2024 3 min

HVAC Psychrometric Chart Calculations: Air Handling Unit Energy Recovery and Latent Load Modeling

A rigorous, comprehensive analysis of HVAC Psychrometric Chart Calculations: Air Handling Unit Energy Recovery and Latent Load Modeling examining architecture, benchmarks, and operational implementation on thepdh.com.

Mar 8, 2024 5 min

Slope Stability Analysis: Bishop Simplified Method, Taylor Charts, and Factor of Safety Verification

A rigorous technical guide examining slope stability analysis: bishop simplified method, taylor charts, and factor of safety verification covering code calculations, engineering ethics, and design standards.

Feb 11, 2024 5 min

Cleanroom Mechanical Design: ISO 14644 Airborne Particle Limits and Laminar Airflow Pressurization

A rigorous technical guide examining cleanroom mechanical design: iso 14644 airborne particle limits and laminar airflow pressurization covering code calculations, engineering ethics, and design standards.

Jan 11, 2024 5 min

Wastewater Biological Nutrient Removal: Modified Ludzack-Ettinger Process and Nitrification Kinetics

A rigorous technical guide examining wastewater biological nutrient removal: modified ludzack-ettinger process and nitrification kinetics covering code calculations, engineering ethics, and design standards.

Dec 18, 2023 5 min

Fiber-Reinforced Polymer FRP Retrofits: Shear and Flexural Strengthening of Aging Concrete

A rigorous technical guide examining fiber-reinforced polymer frp retrofits: shear and flexural strengthening of aging concrete covering code calculations, engineering ethics, and design standards.

Nov 21, 2023 5 min

Transformer Oil Diagnostic Testing: Dissolved Gas Analysis DGA and Duval Triangle Interpretation

A rigorous technical guide examining transformer oil diagnostic testing: dissolved gas analysis dga and duval triangle interpretation covering code calculations, engineering ethics, and design standards.

Oct 17, 2023 5 min

Culvert Hydraulics: Inlet vs Outlet Control and FHWA HEC-5 Headwater Elevation Modeling

A rigorous technical guide examining culvert hydraulics: inlet vs outlet control and fhwa hec-5 headwater elevation modeling covering code calculations, engineering ethics, and design standards.

Sep 22, 2023 3 min

Structural Steel Moment Connection Design: ANSI/AISC 358 Pre-Qualified Welded Unreinforced Flanges

A rigorous, comprehensive analysis of Structural Steel Moment Connection Design: ANSI/AISC 358 Pre-Qualified Welded Unreinforced Flanges examining architecture, benchmarks, and operational implementation on thepdh.com.

Sep 17, 2023 5 min

Blast-Resistant Structural Design: UFC 4-010-01 Antiterrorism Standoff and Dynamic Impulse Response

A rigorous technical guide examining blast-resistant structural design: ufc 4-010-01 antiterrorism standoff and dynamic impulse response covering code calculations, engineering ethics, and design standards.

Aug 14, 2023 5 min

District Heating and Cooling: Low-Temperature 4GDH Distribution Networks and Exergy Efficiency

A rigorous technical guide examining district heating and cooling: low-temperature 4gdh distribution networks and exergy efficiency covering code calculations, engineering ethics, and design standards.

Jul 19, 2023 5 min

Crane and Rigging Engineering: ASME B30 Lift Plans, Dynamic Loading Factors, and Sling Angles

A rigorous technical guide examining crane and rigging engineering: asme b30 lift plans, dynamic loading factors, and sling angles covering code calculations, engineering ethics, and design standards.

Jun 19, 2023 5 min

Urban Heat Island Mitigation: Cool Pavements, Vegetative Roofs, and Albedo Standards

A rigorous technical guide examining urban heat island mitigation: cool pavements, vegetative roofs, and albedo standards covering code calculations, engineering ethics, and design standards.

May 5, 2023 5 min

Process Instrumentation and Safety Instrumented Systems: ANSI/ISA 84 and SIL Determination

A rigorous technical guide examining process instrumentation and safety instrumented systems: ansi/isa 84 and sil determination covering code calculations, engineering ethics, and design standards.

Apr 13, 2023 5 min

Airport Runway Pavement Design: FAA AC 150 Pavement Classification Numbers PCN and Frost Heave

A rigorous technical guide examining airport runway pavement design: faa ac 150 pavement classification numbers pcn and frost heave covering code calculations, engineering ethics, and design standards.

Mar 7, 2023 5 min

Industrial Dust Collection: NFPA 652 Combustible Dust Deflagration Venting and Explosion Isolation

A rigorous technical guide examining industrial dust collection: nfpa 652 combustible dust deflagration venting and explosion isolation covering code calculations, engineering ethics, and design standards.

Feb 18, 2023 5 min

Dam Safety Inspections: Probable Maximum Flood PMF Spillway Capacity and Piezometer Drift

A rigorous technical guide examining dam safety inspections: probable maximum flood pmf spillway capacity and piezometer drift covering code calculations, engineering ethics, and design standards.

Jan 14, 2023 5 min

Concrete Durability and Petrography: Alkali-Silica Reaction ASR and Sulfate Attack Mitigation

A rigorous technical guide examining concrete durability and petrography: alkali-silica reaction asr and sulfate attack mitigation covering code calculations, engineering ethics, and design standards.

Dec 18, 2022 5 min

Transmission Line Structural Loading: NESC Heavy Wind and Radial Ice Tension Calculations

A rigorous technical guide examining transmission line structural loading: nesc heavy wind and radial ice tension calculations covering code calculations, engineering ethics, and design standards.

Nov 17, 2022 5 min

Air Dispersion Modeling: AERMOD Plume Predictions and Clean Air Act Title V Permitting

A rigorous technical guide examining air dispersion modeling: aermod plume predictions and clean air act title v permitting covering code calculations, engineering ethics, and design standards.

Oct 9, 2022 5 min

Offshore Wind Turbine Foundations: Monopiles, Suction Buckets, and Cyclic Wave Fatigue

A rigorous technical guide examining offshore wind turbine foundations: monopiles, suction buckets, and cyclic wave fatigue covering code calculations, engineering ethics, and design standards.

Oct 4, 2022 3 min

Stormwater Management Regulations: EPA MS4 Phase II Permitting and Detention Basin Hydraulics

A rigorous, comprehensive analysis of Stormwater Management Regulations: EPA MS4 Phase II Permitting and Detention Basin Hydraulics examining architecture, benchmarks, and operational implementation on thepdh.com.

Sep 11, 2022 5 min

Lighting Design Standards: IESNA Photometric Distributions, BUG Ratings, and Glare Evaluation

A rigorous technical guide examining lighting design standards: iesna photometric distributions, bug ratings, and glare evaluation covering code calculations, engineering ethics, and design standards.

Aug 17, 2022 5 min

Sanitary Sewer Collection System Hydraulics: Manning Equation Gravity Flow and Infiltration Bounds

A rigorous technical guide examining sanitary sewer collection system hydraulics: manning equation gravity flow and infiltration bounds covering code calculations, engineering ethics, and design standards.

Jul 15, 2022 5 min

Deep Excavation Shoring: Soldier Piles, Tieback Anchors, and Lateral Deflection Monitoring

A rigorous technical guide examining deep excavation shoring: soldier piles, tieback anchors, and lateral deflection monitoring covering code calculations, engineering ethics, and design standards.

Jun 7, 2022 5 min

Microgrid Resilience: Black-Start Capabilities, Diesel-Battery Hybrid Storage, and Frequency Droop

A rigorous technical guide examining microgrid resilience: black-start capabilities, diesel-battery hybrid storage, and frequency droop covering code calculations, engineering ethics, and design standards.

May 20, 2022 3 min

Geotechnical Foundation Design: Meyerhof Bearing Capacity and Terzaghi Settlement Calculations

A rigorous, comprehensive analysis of Geotechnical Foundation Design: Meyerhof Bearing Capacity and Terzaghi Settlement Calculations examining architecture, benchmarks, and operational implementation on thepdh.com.

May 6, 2022 5 min

Hazardous Waste Treatment and RCRA Compliance: TCLP Toxicity Characterization and Storage Rules

A rigorous technical guide examining hazardous waste treatment and rcra compliance: tclp toxicity characterization and storage rules covering code calculations, engineering ethics, and design standards.

Apr 4, 2022 1 min

Geotechnical Seismic Soil Liquefaction Assessment Under ASCE 7-22 Standards

A comprehensive examination of simplified triggering procedures, cyclic stress ratios, and post-liquefaction settlement mitigation in critical structural foundations.

Mar 7, 2022 5 min

Acoustical Engineering in Architectural Design: STC Ratings and Reverberation Time Calculations

A rigorous technical guide examining acoustical engineering in architectural design: stc ratings and reverberation time calculations covering code calculations, engineering ethics, and design standards.

Feb 20, 2022 5 min

Tunnel Boring and Underground Excavation: Earth Pressure Balance Shields and Grouting Pressure

A rigorous technical guide examining tunnel boring and underground excavation: earth pressure balance shields and grouting pressure covering code calculations, engineering ethics, and design standards.

Jan 12, 2022 5 min

Mass Timber Construction: CLT Diaphragm Shear Capacities and Eurocode Fire Resistance

A rigorous technical guide examining mass timber construction: clt diaphragm shear capacities and eurocode fire resistance covering code calculations, engineering ethics, and design standards.

Dec 21, 2021 5 min

Solar Photovoltaic Utility Interconnection: IEEE 1547 Inverter Trip Settings and Islanding

A rigorous technical guide examining solar photovoltaic utility interconnection: ieee 1547 inverter trip settings and islanding covering code calculations, engineering ethics, and design standards.

Nov 8, 2021 5 min

Landfill Gas Extraction and Containment: EPA Subtitle D Geosynthetic Liners and Flare Stations

A rigorous technical guide examining landfill gas extraction and containment: epa subtitle d geosynthetic liners and flare stations covering code calculations, engineering ethics, and design standards.

Oct 21, 2021 3 min

National Electrical Code (NEC) 2023: Article 220 Feeder and Service Calculations Overhaul

A rigorous, comprehensive analysis of National Electrical Code (NEC) 2023: Article 220 Feeder and Service Calculations Overhaul examining architecture, benchmarks, and operational implementation on thepdh.com.

Oct 19, 2021 5 min

Railway Track Alignment: Cant Deficiencies, Spiral Curves, and Dynamic Wheel-Rail Interaction

A rigorous technical guide examining railway track alignment: cant deficiencies, spiral curves, and dynamic wheel-rail interaction covering code calculations, engineering ethics, and design standards.

Sep 18, 2021 5 min

Corrosion Prevention and Cathodic Protection: Sacrificial Anodes and Impressed Current Systems

A rigorous technical guide examining corrosion prevention and cathodic protection: sacrificial anodes and impressed current systems covering code calculations, engineering ethics, and design standards.

Aug 21, 2021 5 min

Coastal Engineering and Shoreline Protection: Wave Breaking Mechanics and Armored Revetments

A rigorous technical guide examining coastal engineering and shoreline protection: wave breaking mechanics and armored revetments covering code calculations, engineering ethics, and design standards.

Jul 13, 2021 5 min

Substation Grounding Grid Design: IEEE 80 Touch and Step Potential Safety Calculations

A rigorous technical guide examining substation grounding grid design: ieee 80 touch and step potential safety calculations covering code calculations, engineering ethics, and design standards.

Jun 9, 2021 5 min

Building Energy Codes: ASHRAE 90.1 Envelope Compliance, U-Factors, and Continuous Insulation

A rigorous technical guide examining building energy codes: ashrae 90.1 envelope compliance, u-factors, and continuous insulation covering code calculations, engineering ethics, and design standards.

May 15, 2021 5 min

Retaining Wall Stability: Rankine vs Coulomb Earth Pressure and Soil Reinforcement Geogrids

A rigorous technical guide examining retaining wall stability: rankine vs coulomb earth pressure and soil reinforcement geogrids covering code calculations, engineering ethics, and design standards.

Apr 9, 2021 5 min

Fire Protection Engineering: NFPA 13 Hydraulic Demand, Sprinkler Density, and Water Supplies

A rigorous technical guide examining fire protection engineering: nfpa 13 hydraulic demand, sprinkler density, and water supplies covering code calculations, engineering ethics, and design standards.

Mar 7, 2021 5 min

Groundwater Contamination Remediation: Pump-and-Treat vs In-Situ Bioremediation Plume Dynamics

A rigorous technical guide examining groundwater contamination remediation: pump-and-treat vs in-situ bioremediation plume dynamics covering code calculations, engineering ethics, and design standards.

Feb 7, 2021 5 min

Traffic Signal Optimization: Synchro Modeling, Split-Phase Coordination, and Level of Service

A rigorous technical guide examining traffic signal optimization: synchro modeling, split-phase coordination, and level of service covering code calculations, engineering ethics, and design standards.

Jan 11, 2021 5 min

Steel Connection Design: AISC 360 Moment-Resisting Frames, Welded Flange vs Bolted Plates

A rigorous technical guide examining steel connection design: aisc 360 moment-resisting frames, welded flange vs bolted plates covering code calculations, engineering ethics, and design standards.

Dec 12, 2020 5 min

Power Distribution Reliability: IEEE 1366 Indices, SAIDI, SAIFI, and Automated Reclosers

A rigorous technical guide examining power distribution reliability: ieee 1366 indices, saidi, saifi, and automated reclosers covering code calculations, engineering ethics, and design standards.

Nov 10, 2020 5 min

Piping Stress Analysis: ASME B31.3 Process Piping Flexibility and Thermal Expansion Loops

A rigorous technical guide examining piping stress analysis: asme b31.3 process piping flexibility and thermal expansion loops covering code calculations, engineering ethics, and design standards.

Oct 22, 2020 3 min

Engineering Ethics: Professional Obligation to Disclose Structural Vulnerabilities (Citigroup Case Study)

A rigorous, comprehensive analysis of Engineering Ethics: Professional Obligation to Disclose Structural Vulnerabilities (Citigroup Case Study) examining architecture, benchmarks, and operational implementation on thepdh.com.

Oct 22, 2020 5 min

Industrial Water Treatment: Reverse Osmosis Flux Rates, Fouling Indices, and Membrane Cleanliness

A rigorous technical guide examining industrial water treatment: reverse osmosis flux rates, fouling indices, and membrane cleanliness covering code calculations, engineering ethics, and design standards.

Sep 21, 2020 5 min

Bridge Inspection Standards: FHWA NBIS Safety Compliance and Fracture Critical Member Audits

A rigorous technical guide examining bridge inspection standards: fhwa nbis safety compliance and fracture critical member audits covering code calculations, engineering ethics, and design standards.

Aug 17, 2020 5 min

Stormwater Management and Hydrology: Rational Method vs TR-55 Hydrographs in Urban Watersheds

A rigorous technical guide examining stormwater management and hydrology: rational method vs tr-55 hydrographs in urban watersheds covering code calculations, engineering ethics, and design standards.

Jul 10, 2020 5 min

Prestressed Concrete Girder Design: Post-Tensioning Loss Calculations and Camber Deflection

A rigorous technical guide examining prestressed concrete girder design: post-tensioning loss calculations and camber deflection covering code calculations, engineering ethics, and design standards.

Jun 9, 2020 5 min

HVAC Decarbonization and Thermal Energy Storage: Variable Refrigerant Flow vs Hydronic Loops

A rigorous technical guide examining hvac decarbonization and thermal energy storage: variable refrigerant flow vs hydronic loops covering code calculations, engineering ethics, and design standards.

May 22, 2020 5 min

Geotechnical Foundation Settlement: Consolidation Mechanics and Deep Pile Load Testing

A rigorous technical guide examining geotechnical foundation settlement: consolidation mechanics and deep pile load testing covering code calculations, engineering ethics, and design standards.

Apr 12, 2020 5 min

Engineering Ethics and Professional Practice: Whistleblowing, Conflict of Interest, and Licensure Law

A rigorous technical guide examining engineering ethics and professional practice: whistleblowing, conflict of interest, and licensure law covering code calculations, engineering ethics, and design standards.

Mar 14, 2020 5 min

National Electrical Code NEC 2023 Overhaul: Arc-Flash Hazard Mitigation and GFCI Expansion

A rigorous technical guide examining national electrical code nec 2023 overhaul: arc-flash hazard mitigation and gfci expansion covering code calculations, engineering ethics, and design standards.

Feb 5, 2020 5 min

Structural Seismic Design: ASCE 7-22 Equivalent Lateral Force Procedure and Response Spectra

A rigorous technical guide examining structural seismic design: asce 7-22 equivalent lateral force procedure and response spectra covering code calculations, engineering ethics, and design standards.

Feb 3, 2020 3 min

ASCE 7-22 Seismic Drift Requirements: Modal Response Spectrum Analysis for Reinforced Concrete

A rigorous, comprehensive analysis of ASCE 7-22 Seismic Drift Requirements: Modal Response Spectrum Analysis for Reinforced Concrete examining architecture, benchmarks, and operational implementation on thepdh.com.

Jan 5, 2020 1 min

Arc Flash Hazard Analysis and IEEE 1584-2018 Calculation Methodologies

Essential safety calculations, boundary determination, and PPE category compliance for practicing professional electrical engineers.