What is 2C material?

What is 2C material?

2C – Stoney cohesive material (General fill) 2D – Silty cohesive material (General fill) 2E – Reclaimed pulverised fuel ash cohesive material (General fill) 5A – Topsoil, or turf, existing on site (Topsoiling)

What is Type A fill material?

Type A (crushed rock and sands) Crushed rocks and sands permitted for backfilling: Type A1 – 20 milllimetre VicRoads Class 2 crushed rock.

What is selected backfill material?

Backfill materials can generally be graded as: Coarse grained soils – gravelly and sandy soils ranging from clay to gravel. Marginal materials – including fine-grained soils of high plasticity and expansive clays. Commercial by-products – furnace slag or fly ash.

What are the classification of earthworks?

In general earthwork can be classified into four broad categories: Initial clearance of vegetation and trees and stripping of top soil. Excavation to form trenches or pits, known as confined excavations. Cuttings, known as open excavations.

What is class 2 fill material?

20 mm or 3/4 inch Aggregate Base, Class 2, is used in roadways and is an aggregate made of a specific recipe of different sizes and quality of rock inclusive of 20 mm (3⁄4 in) to fine dust. An aggregate is normally made from newly quarried rock, or it is sometimes allowed to be made from recycled asphalt concrete.

What is 6N fill material?

6N | MD Aggregates. Application: This aggregate consists of crushed concrete, brick and mortar. It’s created as a by-product from demolition projects and used as a backfill material for concrete structures such as bridge abutments.

What are the types of fill?

Types of Fill

• Organic Topsoil.
• Inorganic Topsoil.
• Sand/Gravel.
• Rock Fill.
• Compost/Mulch/Manure.

What is common fill?

Common fill is an economical way to fill any larger holes, low spots, or to bring up grades in your yard or property. It is generally rocky (up to 12” minus) but is cheaper than clean fill or sand fill. Use this product for larger fill areas.

What is the best material for backfill?

Explore the five best stones for backfill below.

1. SCREENINGS. Screenings, otherwise known as FA5 or limestone screenings, are a great choice for backfill because it compacts well.
2. TRENCH BACKFILL (TBF)
3. CA7 BEDDING STONE.
4. CA6/CM06/GRADE 8.
5. 3″ STONE.

What is Class 1a fill?

Material: Class 1a Fill IBAA. Size Fraction: 0/100MM. Constituents: IBA Ash, Brick, Concrete, Rock, Stone, glass, sand etc, may contain trace metals (typically <2%).

What is a class 2 base?

The Class II Base Rock – Recycled is produced from 100 percent crushed concrete and asphalt concrete products. It is designed to form a base for roads, parking lots, driveways and sidewalks. This material may also be used as sub-base for building foundations.

What is a Class 2 aggregate?