Energy Infrastructure
Engineering & Construction Services
For Owners & Contractors Worldwide
SDI's Energy Infrastructure Division provides engineering and construction services to Owners and Contractors for energy related construction projects world wide.

NUCLEAR CONTAINMENT STRUCTURE -
Containment Post Tensioning System (CPTS)

SDI's core management team has been active in the US and Asian nuclear construction markets since the mid-1970's. SDI has an established and US Industry approved 10CFR50 Appendix B Quality Assurance Program in place to support execution of the following services:
  • Design, furnish and install the Containment PT System (CPTS) tendons and hardware for current and next-generation nuclear power plants
  • Repair or replace existing CPTS tendons and hardware
  • Tendon surveillance programs for existing multi-strand and button-head CPTS applications
  • Design and fabrication services for specialized equipment required for CPTS access, installation and maintenance
  • Procurement services available for supply of CPTS tendon and hardware as Dedicated Safety-Related Components
GRAVITY BASED STRUCTURES (GBS) -
For the support of oil and gas production facilities

Over the past 30 years, SDI staff has managed the post-tensioning activities of more than 75% of all GBS structures world wide.

Services include:
  • Post-tensioning design
  • Furnishing of post-tensioning materials
  • Labor and supervision for post-tensioning installation
  • Specialty equipment and testing services
LNG STORAGE TANKS & OTHER LARGE CAPACITY TANKS
SDI has extensive experience with construction of large capacity post-tensioned tank structures, including LNG Storage Tanks. With the largest furnish and install contract in the United States nearing completion at the Golden Pass LNG Terminal, SDI is well suited for this type of construction. The SDI post-tensioning system has been successfully tested at cryogenic temperatures for use in Liquefied Natural Gas storage facilities. SDI maintains a large inventory of specialized post-tensioning installation equipment and also offers installation access platforms for lease or sale.
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1 408 281 9300
198 Hillsdale Avenue
San Jose, California 95136
U.S.A.