Zeltmacher Structural Design Engineering

Service Through Preeminence

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About the firm

Zeltmacher Structural Design Engineering provides structural engineering services for municipal, educational, industrial, commercial, healthcare, and multifamily projects. Operating from Visalia, California, and licensed in 12 states, the practice delivers structural systems design and analysis, seismic hazard assessments, California Accidental Release Prevention (CalARP) seismic assessments, structural retrofits, agency plan-check services, and BIM-based documentation using Revit and AutoCAD.

Established
2010
Team
Small
Firm type
Structural Engineering

Credentials

LEED AP

People

Andrew RandolphCo-Founder & Structural Engineer

Ryan FitzpatrickCo-Founder & Structural Engineer

Heladio CeballosProfessional Engineer

Nicolas CorralesProfessional Engineer

Octavio MartinEngineer-in-Training

Pedro Cruz LopezEngineer-in-Training

Lionel LopezStructural Drafter

Seth MulliniksEngineer-in-Training

Lorraine RandolphChief Administrative Officer

Julia TruesdellAdministrative Operations Manager

Mary CahillBusiness Manager

Annette MoonOffice Manager

Capabilities

Structural Systems Design, Analysis, and Detailing

Service website

Delivers comprehensive structural engineering solutions from initial concept through building permit approval.

  • Wood, Steel, Concrete, and Masonry Design

    Develops code-compliant, efficient framing and structural systems tailored to specific project needs.

  • Performance and Safety Analysis

    Evaluates structural systems through mathematical and computational modeling to verify building safety and efficiency.

  • Construction Detailing and Documentation

    Produces clear, fully coordinated drawings and specifications prepared for permit submittal and field construction.

Structural Engineering Consultation

Service website

Provides expert guidance to building owners, architects, and design professionals during early planning and complex project phases.

Retrofits, Improvements, and Remodels

Service website

Work in this area is organized into supported delivery tasks.

  • Assesses

    Support includes Assesses.

  • Upgrades Existing Buildings To Meet Modern Code Requirements

    Support includes upgrades existing buildings to meet modern code requirements.

  • Implement Tenant Improvements

    Support includes implement tenant improvements.

  • Or Support Change-of-use Projects

    Support includes or support change-of-use projects.

Agency Plan-Check Services

Service website

Performs independent structural plan reviews for local jurisdictions to verify code compliance and protect public safety.

Seismic Hazard Analysis

Service website

Evaluates seismic risks in accordance with FEMA guidelines, ASCE 7, and ICSSC recommendations to support building safety.

  • New Construction Hazard Evaluation

    Assesses site conditions and ground motion to inform structural design decisions for new building projects.

  • Risk Mitigation and Retrofit Planning

    Provides evaluations to guide seismic retrofitting and risk reduction strategies for existing facilities.

CalARP Seismic Assessment

Service website

Conducts specialized structural evaluations of buildings and equipment housing hazardous materials to meet California regulatory requirements.

Revit Modeling Services

Service website

Work in this area is organized into supported delivery tasks.

  • Generates High-precision 3D Structural Models To Facilitate Interdisciplinary Coordination

    Support includes Generates high-precision 3D structural models to facilitate interdisciplinary coordination.

  • Clash Detection

    Support includes clash detection.

  • BIM Workflows

    Support includes BIM workflows.

AutoCAD Drafting Services

Service website

Produces clear, detailed 2D structural drafting and construction plans integrated with consultant documentation.

Industries

Government · Education · Industrial · Commercial · Healthcare · Multifamily Residential · Residential · Affordable Housing · Hospitality

Projects

The Cue

Bakersfield, CA · Multifamily Residential