House Underpinning: The Process and Necessary Steps
House Underpinning is construction of additional and stronger footings to strengthen or stabilise an existing residential property. There are many reasons due to which underpinning may be required. If the original foundations is not strong or stable enough then underpinning is required. When the properties of the soil supporting the foundation or the structure has changed at that time also underpinning is required. Sometimes nearby structure construction makes it necessary to excavate the soil supporting existing foundations. Sometimes it is necessary to increase the depth or load capacity of a building to support an additional storey. Many a times it is economical to work on an existing building than to build a new one. Natural calamities like floods, earthquakes or drought can lead to requirement of underpinning activity. Underpinning normally involves digging the new bored pier footings besides a house at about two metres to three metres centres. Footings need to go dee