In the Classification of Soil, A-4 and A-5 means SILTY SOILSCOAL TAR is a dark brown to black cementitious material produced by the destructive distillation bituminous coal.

REFLECTION CRACKS are cracks caused by a vertical and horizontal movement in the pavement beneath the overlay which brought on by expansion and contraction with temperature or moisture changes.

NO transverse joint shall be constructed within 1.50m of an expansion joint, contraction joint and plane of weakness.

Final rolling in bituminous mixes shall be performed with a 3-wheel or tandem type steel wheel roller.

63 blows per layer should a concrete specimen molded in a 6x6x21 beam mold be rodded.

IN-SITU DENSITY OR FDT is a test that requires calibrated sand in filling the hole in order to determine the volume of hole.

HOT ASPHALT, BITUMINOUS CEMENT, ASPHALT CEMENT are kinds of asphalt that has a penetration grade of 60/70.

Bituminous Concrete Surface Course mixes contain aggregates by weight equivalent to 92% to 95%.

WEAKENED PLANE JOINTS is the other name of TRANSVERSE CONTRACTION JOINT

Half portion of the dowel shall be coated or painted with A COAT OF LEAD/TAR, A BITUMINOUS MATERIAL AND AN APPROVED LUBRICANT.

When concrete is mixed in a central mixing plant, the mixing time is NOT LESS THAN 50 SECONDS NOR MORE THAN 90 SECONDS.

The DPWH PROJECT ENGINEER AND MATERIALS ENGINEER will approved the Job-Mix Formula.

TRANSVERSE CONSTRUCTION JOINT is a joint constructed when there is an interruption of more than 30 minutes in the concreting operation.

A 350m of bituminous mixture has been laid in a days full operation, 3 ASPHALT CORES specimen must be taken.