News

Stay up-to-date with the latest news from The SEFA Group.

The SEFA Group is heavily involved in the promotion of ready mixed concrete through our participation in many ready mixed concrete associations.

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Today's Fly Ash Technical Advantages of Fly Ash in Plastic Concrete
Technical Advantages of Fly Ash in Hardened Concrete
Chemical Composition Example of Mix Design
Specifications and Agencies

Specifications and Agencies

Specifications for Definition and Sampling of Fly Ash
ASTM (American Society of Testing Materials)

C-618
"Fly Ash...for use as Mineral Admixture in Concrete"

C-311

"Sampling and testing fly ash..."

 

Specifications for Fly Ash Use in Ready Mixed Concrete
ACI Standards (American Concrete Institute)

211
"Standard practice for selecting proportions for normal, heavyweight, and mass concrete"

212

"Admixtures for Concrete"

301

"Specification for structural concrete for buildings"

318

"Building code requirements for reinforced concrete"

350

"Concrete sanitary engineering structures"

 

Governmental

EPA

Procurement Guideline

State Specs

SEFA has source approval from the following states' Departments of Transportation:

 

 

 

 
  • Alabama
  • Florida
  • Georgia
  • Kentucky
  • Maryland
  • Mississippi
  • North Carolina
  • South Carolina
  • Tennessee
  • Virginia

Note: Quality control/assurance conducted by SEFA are monitored by the respective DOT's on fly ash sources supplying your firm.
 

Virginia Ready Mix Concrete Association Alabama Carolina Ready Mix Concrete Association Virginia Ready Mix Concrete Association Georgia Concrete & Products Association Maryland Ready Mix Concrete Association Kentucky Ready Mix Concrete Association Tennessee Concrete Association National Ready Mix Concrete Association American Coal Ash Association

South Carolina
217 Cedar Road
Lexington, SC 29073
Toll Free 888.339.SEFA