Whether the project is commercial construction, maintenance, or emergency services, customers always rely on Herman Weissker, Inc. (HWI)

Services

HWI was founded in 1959, as a company that specialized in civil construction. Today, our team has over 60+ years in the industry, and proudly will continue our work into the future. Leadership is made up of highly experienced professionals that can handle any job, regardless of the scope or size. Some of our biggest clients include Southern California Edison, Southern California Gas, California Water, and more.

Underground Construction

Our Underground Construction Services Include:

Vault and Manhole Installation/Repairs

Install or Replace Hand Holes and Pull Boxes

Conductor in Conduit (CIC) Replacement

Conduit Rodding and Cleaning

Inner Duct Placing

Concrete Sawing

Telecommunications

From crossing lakebeds to plowing extreme mountain slopes, Herman Weissker, Inc. offers direct buried services for fiber optic, wire cable, and conduit systems.

Our fleet of construction equipment includes computerized trenchers and excavators that can dig trenches in any given condition, even solid rock. Our electrical, communications, and construction crews provide reliable work that is high quality and cost-effective.

Our Unsurpassed Experience Includes:

  • Overhead and Underground Conversions
  • Installation and New Utility Systems
  • Planning and Construction Services to Expand Existing Systems
  • Emergency Response Service to Repair Systems and Structures 24/7
  • Problem-Solving Skills That Recognize Obstacles Early and Offer Solutions Quickly

We also offer fiber placement, testing and splicing services by means of:

  • Overhead and Underground Conversions
  • Installation and New Utility Systems
  • Planning and Construction Services to Expand Existing Systems
  • Emergency Response Service to Repair Systems and Structures 24/7
  • Problem-Solving Skills That Recognize Obstacles Early and Offer Solutions Quickly

Some special added value services include:

  • Soft-Dig Utility Locating
  • Fiber Optic Placing and Splicing
  • Cable Removal Utilizing AMCV Cable Choppers
  • Conduit Rodding and Cleaning
  • Cable Plowing
  • Buried Cable Removal
  • Manhole Rebuilds and Replacements

Gas Transmission & Service

Our expertise includes natural gas pipelines, oil/petroleum product lines, plants, and station piping.

No matter how large or complex the job, our management team takes a hands-on approach to ensure the highest quality service. With decades of experience and a team of skilled union craft team members, HWI will complete your projects safely, within budget and on time.

Public utilities companies rely on HWI every day, including SoCal Gas, PG&E, SDG&E and Southern California Edison (SCE). In fact, HWI is a proud SCE Prime Contractor for its North and South Rural Regions, as well as its Desert region.

HWI’s Gas-Transmission and Distribution Services Include:

  • Gas Distribution, Transmission Replacement, and Installation
  • Pipeline Inspection
  • Cathodic Protection
  • Plant and Station Piping with All Earthwork and Pipe Fabrication
  • Civil Work – Structural Supports, Foundations and Paving
  • Relocation or Repair of Oil/Petroleum Product Lines
  • High Sensitivity to Environmental Concerns

Oil & Refining

With decades of experience and skilled union craft employees, we will complete your projects safely, within budget and meeting your most rigorous schedules.

Companies throughout the Southwest rely on Herman Weissker, Inc. for safe, reliable services, including:

Companies throughout the Southwest rely on Herman Weissker, Inc. for safe, reliable services, including:

  • Maintenance
  • New Construction
  • Capital Projects
  • Turnarounds
  • Emergency Repairs

Our refining services include:

  • Project Planning – Constructability Review
  • Piping and Equipment Layout
  • Piping Fabrication
  • Installation, Relocation, and Repair of Oil/Petroleum Product Lines and Equipment
  • Civil Work – Earthwork, Structural Supports, Foundations and Paving
  • Electrical and Instrumentation

Planning & Design

We provide construction planning for distribution and transmission electrical utility systems to the industry’s highest standards.

Herman Weissker, Inc. provides planning and design services to electrical, wireless, and telecommunications markets. We deliver quality services that help our clients achieve their goals while focusing on cost-effective possibilities and ground breaking options.

Our Planning and Design Services Include:

  • Autocad Drafting and Survey
  • Civil Base Mapping Services
  • Deteriorated Pole Replacement (Transmission and Distribution)
  • Overhead to Underground Conversions
  • Underground Civil and Cable Replacement
  • 4KV Cutover Planning and Design
  • Contract Administration
  • Project Management
  • Plant Operational Enhancements

Traffic Design

HWI traffic design provides site-specific traffic control for multiple agencies throughout California.

Our traffic control designers are ATSSA certified and can design plans to meet the specifications of the M.U.T.C.D, W.A.T.C.H and California Joint Utility Manuals. We provide both engineered and non-engineered traffic plans.

Our Permitting Clerks are experts in their field. Not only do they possess excellent working relationships with agencies, but they are knowledgeable of the County, State, and Federal guidelines that are required of the permits they pursue.  

Traffic Design Services Include:

  • Single Lane Closures
  • Multi-Lane Closures
  • Shoulder Closures
  • Detour Plans
  • Pedestrian Traffic Control
  • Permitting Services