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3309.11.1 Deleterious, Caustic, or Acid Materials

NYC Building Code 2014 > 33 Safeguards During Construction or Demolition > 3309 Protection of Adjoining Property > 3309.11 Protection of Trees > 3309.11.1 Deleterious, Caustic, or Acid Materials

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No deleterious, caustic, or acid materials shall be dumped or mixed within 10 feet (3048 mm) of any tree within the public right-of-way, nor shall salt for the removal of ice or snow be applied when runoff will drain to a tree within the public right-of-way.

Exceptions:

Mixing, delivery, or placement of concrete from a concrete mixer or concrete truck.
Application of de-icing materials as necessary to prevent slipping and tripping hazards in areas accessible to the public during periods where freezing conditions are to be encountered.

Related Code Sections

3309.11.1 Safeguards During Construction or Demolition, Deleterious, Caustic, or Acid Materials

No deleterious, caustic, or acid materials shall be dumped or mixed within 10 feet (3048 mm) of any tree within the public right-of-way, nor shall ...

NYC Building Code 2014 > 33 Safeguards During Construction or Demolition > 3309 Protection of Adjoining Property > 3309.11 Protection of Trees > 3309.11.1 Deleterious, Caustic, or Acid Materials

3309.11 Safeguards During Construction or Demolition, Protection of Trees

of such work. No deleterious, caustic, or acid materials shall be dumped or mixed within 10 feet (3048 mm) of any such tree, nor shall salt for the removal ...

NYC Building Code 2008 > 33 Safeguards During Construction or Demolition > 3309 Protection of Adjoining Property > 3309.11 Protection of Trees

1903.4 Concrete, Water

Water used in mixing concrete shall be clean and free from injurious amounts of oils, acids, alkalis, salts, organic materials or other substances ...

NYC Building Code 2008 > 19 Concrete > 1903 Specifications for Tests and Materials > 1903.4 Water

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NYC Building Code 2014 > 24 Glass and Glazing > 2405 Sloped Glazing and Skylights > 2405.4 Framing