While fixing Road alignment, internal calibration shall be carried out every

_{Clearing is defined as removing and disposing of all unwanted surface material, such as trees, brush, grass, weeds, downed trees, and other material. Grubbing is defined as removing and disposing of all unwanted vegetative matter from underground, such as stumps, roots, buried logs, and other debris.}

Question: Grubbing is done for the maximum girth of

The maximum depth of ground clearing the top soil is up to

Original Ground level (OGL)

means the level of the ground that existed before any excavation for new buildings or structures on the land is undertaken.

Question: OGL will be taken after

Before commencing the earthwork, we need to mark

The soil in earthwork should be compacted up to ____ of lab MDD.

Every 4th layer of Embankment shall be checked w.r.t. Toe width & level at interval of every

Clods and hard lumps of earth will be broken to a maximum size of _____ for embankment.

Optimum Moisture Content (OMC)

is the water content at which the soil attains maximum dry density.

Question: The Moisture content to be maintained in earthwork during compaction should be

During earthwork in subgrade, roller should overlap ___ of the preceding pass.

In medians, the top most layers shall be compacted lightly in order to facilitate sufficient growth of roots of grass and plants/shrubs.

During construction of GSB, GSB layer shall be constructed on the

Camber in Road, refers to the curvature or slope provided to the surface of a road or any other paved surface. It is designed to ensure proper drainage of water from the road surface.

Question: Camber is checked & corrected...

Speed of the roller shall be maintained uniformly during rolling. What is maximum limit to check?

The tolerance on the surface level of GSB shall be

WMM: Wet Mix Macadam, It is composed of crushed aggregates, including gravel and stone dust, mixed with water and a binding agent such as bitumen emulsion or cement

Question: During compaction of WMM, the compaction should be more than

Prime Coat & Tack Coat shall comply with IS

Prime Coat is the application of a suitable bituminous binder applied to a non-bituminous granular base as a preliminary treatment before the application of a bituminous surfacing.

Tack coat is a sprayed application of an asphalt binder upon an existing asphalt or Portland cement concrete pavement prior to an overlay, or between layers of new asphalt concrete.

Question: Prime Coat is spray application of a single coat low viscosity, low porous bituminous material over wet mix macadam granular surface at the rate of

The design of PQC should be based on