- Approximate Concrete/Stone Demolition Volume: 30 M³ - Removal And Evacuation Of Existing Wooden Floors: 100 M² - Quantities Of Earthworks In Existing Areas: 70 M³ - Underpinning Per Pass: 30 M³ - Reconstructions In Reinforced Concrete (Floors) : 170 M² The Particularities Of The Project: - The Recovery Of The Underpinning And Protection Of The Existing Wooden Staircase - The Accesses During The Work Phase (Existing Staircase To Be Condemned) - The Limited Space For The Site Installation - The Work Space For Earthworks And Underpinning