What are below grade applications?

Below-Grade waterproofing is the construction practice of applying membranes and coatings to the foundation walls of the structure under street or ground level, as part of the building envelope. It can go by other names such as below-ground or basement waterproofing.

What is below grade drainage?

Drainage board is a dimpled high-density polyethylene (HDPE) board that keeps foundations and flooring dry. This product creates a waterproof vapour barrier and an air space, which allows concrete to breathe while controlling moisture.

What does above grade mean?

Above Grade Square Feet is the term referring to all living square feet in a home that is above the ground. It does not include basements even if the basement is a finished walkout or daylight basement.

What is a below grade project?

BILD explains that below-grade construction, which includes excavation, concrete forming, reinforcing and pouring, is used to install the foundation and systems that support high-rise structures.

What is below grade in construction?

Below-grade construction is construction activity that occurs below ground level to put in place the foundation and systems that support a high-rise building. This includes excavation, temporary shoring, pilings, servicing as required, concrete forming, reinforcing and pouring, and many other tasks.

What are the common issues in below grade systems?

The main challenge with below grade areas is creating an effective enclosure, to prevent issues like water leakage into basements, poor indoor air quality and high humidity. These issues are very disruptive for building operations, but they can be avoided with careful analysis and design.

What is Sq Ft AGF?

Gross Square Feet is the total area of enclosed space measured to the exterior walls of a building. It’s the total space a facility takes up regardless of whether or not the space is used.

What does sqft AGF mean?

Definition. The sum of all areas on all floors of a building included within the outside faces of its exterior walls, including all vertical penetration areas, for circulation and shaft areas that connect one floor to another.

How do you help students below grade level?

Strategies to Support Learners Who Are Below Grade Level

1. Math.
2. Strategy 1: Use a Placemat.
3. Strategy 2: Create a Math Menu.
4. Strategy 3: Personalize Math Content.
5. ELA/Literacy.
6. Strategy 1: Excerpt Texts.
7. Strategy 2: Use a Placemat.
8. Strategy 3: Try a Socratic Seminar.

What is a floor grade in school?

Thorsland’s team is considering using “floor grades,” meaning teachers can’t give a student below a certain grade, even if the student does little to no work. …

What is a below grade wall?

Definition. A geometric construct that describes the dimensions and placement of walls located below grade. Below grade walls have soil or crushed rock on one side and interior space on the other side.

What is a below grade system?

Many buildings constructed today extend one or several floors below grade level. These below grade areas provide functional spaces for uses such as storage, office space, mechanical/electrical rooms, parking, tunnels, crawlspaces, etc. Leaking into basement areas is a common problem for building operators and managers.

Can a basement be above grade or below grade?

The footings (or caissons) that support these walls can vary in depth and width depending on a variety of soil conditions. The basements may be fully below-grade or partially exposed (a berm) and there may be walkouts; many configurations are possible.

What are the features of a building below grade?

Buildings frequently have plazas, vaults, tunnels or extensions below grade. The planning, development, detailing and construction of waterproofing for such features are significant. Although much more complex and far more maintenance intensive, these features are generally not treated with the same detailing attention that roof assemblies receive.

What do you need to know about below grade systems?

Requirements for overhead waterproofing in tunnels or building obtrusions are significant and need to be treated accordingly. Design of plaza surfaces, green-scape and tree or soil planter features, above the buried element also requires special design consideration.

What kind of concrete is used in below grade construction?

Most residential and commercial structures feature below-grade construction that is usually 10- or 12-inch CMU or eight- or 12-inch poured concrete; a much smaller percentage involve ICF and wood walls.