Kocher Schirra Goharizi Consulting Engineers Inc

75 Years of Trust, Reliability, and Innovation

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About the firm

Kocher Schirra Goharizi Consulting Engineers Inc (KSG) is a full-service electrical engineering practice providing specialized consulting, design, and analytical services. Founded in 1949, it supports client facilities across institutional, industrial, commercial, and entertainment sectors. The practice maintains robust capabilities in power system analysis, computer simulation, and comprehensive electrical design, delivering solutions tailored to complex power distribution requirements.

Established
1949
Firm type
Electrical Engineering

People

John SchirraPartner

Manoucher GohariziPartner

Capabilities

Electrical Design Services

Service website

Provides comprehensive electrical engineering services from concept design through construction administration for power distribution, lighting, and fire alarm systems, specializing in the renovation and modernization of existing facilities.

  • Power Distribution System Design

    Design of medium-voltage and low-voltage power distribution systems, transmission lines, and emergency/standby generation systems.

  • Lighting and Controls Design

    Aesthetic and energy-efficient lighting systems and controls design tailored to facility requirements.

  • Life Safety and Fire Alarm Design

    Design of critical fire protection, life safety, and grounding systems.

  • Specialized Facility Design

    Tailored electrical solutions for data centers, UPS systems, laboratories, clean rooms, entertainment studios, and recreational parks.

  • Renovation and Seismic Retrofits

    Modernization of historical buildings, seismic retrofits, and electrical infrastructure remodeling.

  • Planning and Support Services

    Feasibility studies, temporary power planning, cutover coordination, and school/university campus commissioning.

Electrical Analytical Services

Service website

Advanced computer modeling and simulation of electrical distribution systems to analyze behavior under abnormal conditions, optimize performance, and ensure safety.

  • Short Circuit and Load Flow Studies

    Detailed evaluation of short-circuit levels, equipment ratings, and steady-state load flow behavior.

  • Arc Flash and Protective Device Coordination

    Incident energy analysis, protective device coordination, and selective coordination studies to ensure safety and code compliance.

  • Power Quality and Harmonics

    Harmonics analysis, harmonic filter design, power factor correction, and motor starting studies.

  • Specialized Protection and Audits

    System audits, transient stability application, lightning protection, cogeneration system protection, and intertie protection studies.

Industries

Education · Commercial · Industrial · Data Centers · Life Sciences · Defense · Arts & Culture

Projects

Team Disney Administration Building

Anaheim, CA · Arts & Culture · 1995 · Client: The Walt Disney Company

Project details

Recognized with the Award for Electrical Excellence by the National Electrical Contractors Association.

Anaheim Community Ice Rink

Anaheim, CA · Sports & Recreation · 1995

Project details

Recipient of the Award for Electrical Excellence from the National Electrical Contractors Association.

SFOF Emergency Generator System Replacement Project

Pasadena, CA · Defense · 1999 · Client: Jet Propulsion Laboratory

Project details

An emergency generator replacement project recognized with the Business Operations Excellence award by the California Institute of Technology, Jet Propulsion Laboratory.

USC Annenberg School for Communication

Los Angeles, CA · Education · 1999 · Client: University of Southern California

Project details

Featured project in ArchiTech, showcasing the practice's institutional electrical engineering work.

Kocher Schirra Goharizi Consulting Engineers Inc - Engineering Firms