Jack-Up Construction
A method of lifting heavy structures or platforms using hydraulic jacks, commonly used in offshore and bridge construction.
Job Hazard Analysis (JHA)
A safety assessment process that identifies potential hazards in construction activities and establishes preventive measures.
Joint Sealant
A flexible material applied to expansion joints, cracks, and seams in construction to prevent water infiltration and accommodate movement.
Joint Venture Agreement (JVA)
A contractual partnership between two or more companies to collaborate on a construction project, sharing risks, resources, and profits.
Joist Girder
A type of steel truss used to support joists and distribute structural loads in commercial and industrial buildings.
Jump Forming
A construction technique where formwork for concrete structures is progressively lifted as each section cures, often used in high-rise construction.
Just-in-Time (JIT) Procurement
A materials supply strategy minimizing inventory.
Justification for Noncompetitive Procurement (JNCP)
A formal document explaining why a construction contract or material purchase was awarded without a competitive bidding process.
K-Bracing
A structural bracing system in steel construction where diagonal braces form a “K” shape to provide lateral stability.
Kaizen
A continuous improvement methodology, originally from Japan, used in construction to enhance efficiency, reduce waste, and improve processes.