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// CODE SNIPPET

3309.4.1 Additional Safeguards During Excavation

NYC Building Code 2014 > 33 Safeguards During Construction or Demolition > 3309 Protection of Adjoining Property > 3309.4 Soil or Foundation Work Affecting Adjoining Property > 3309.4.1 Additional Safeguards During Excavation
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The following additional requirements shall apply during excavation:
  1. The person causing the excavation shall support the vertical and lateral load of the adjoining structure by proper foundations, underpinning, or other equivalent means where the level of the foundations of the adjoining structure is at or above the level of the bottom of the new excavation.
  2. Where the existing adjoining structure is below the level of the construction or demolition, provision shall be made to support any increased vertical or lateral load on the existing adjoining structure caused by the construction or demolition.
  3. Where the construction or demolition will result in a decrease in the frost protection for an existing foundation below the minimums established in Section 1805.3.1, the existing foundation shall be modified as necessary to restore the required frost protection.

Related Code Sections


3309.4.1 Safeguards During Construction or Demolition, Additional Safeguards During Excavation
The following additional requirements shall apply during excavation: The person causing the excavation shall support the vertical load ...
NYC Building Code 2008 > 33 Safeguards During Construction or Demolition > 3309 Protection of Adjoining Property > 3309.4 Excavation or Filling Operations Affecting Adjoining Property > 3309.4.1 Additional Safeguards During Excavation
3309.4.1 Safeguards During Construction or Demolition, Additional Safeguards During Excavation
The following additional requirements shall apply during excavation: The person causing the excavation shall support the vertical and lateral load ...
NYC Building Code 2014 > 33 Safeguards During Construction or Demolition > 3309 Protection of Adjoining Property > 3309.4 Soil or Foundation Work Affecting Adjoining Property > 3309.4.1 Additional Safeguards During Excavation
Section 3304 Safeguards During Construction or Demolition, Excavation
, as well as for purposes of construction or demolition. During excavation, the provisions of Section 3309 for the protection of adjoining property ...
NYC Building Code 2008 > 33 Safeguards During Construction or Demolition > 3304 Excavation
3303.14.2 Safeguards During Construction or Demolition, Drainage of Excavations
All excavations shall be drained, and the drainage shall be maintained as long as the excavation continues or remains. Where necessary, pumping shall ...
NYC Building Code 2014 > 33 Safeguards During Construction or Demolition > 3303 Safeguards and Maintenance of Site > 3303.14 Drainage > 3303.14.2 Drainage of Excavations
3304.5.2 Safeguards During Construction or Demolition, Support of Excavation
Methods employed to protect the sides of excavations meeting the requirements of Item 1 of Section 3304.4.1 shall be subject to special inspections ...
NYC Building Code 2014 > 33 Safeguards During Construction or Demolition > 3304 Soil and Foundation Work > 3304.5 Inspections > 3304.5.2 Support of Excavation
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