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// CODE SNIPPET

5607.9 Drill Holes

California Fire Code 2019 > 56 Explosives and Fireworks > 5607 Blasting > 5607.9 Drill Holes
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Holes drilled for the loading of explosive charges shall be made and loaded in accordance with NFPA 495.

5607.9.1 Drill Hole Loading

No holes shall be loaded except those to be fired in the next round of blasting. After loading, all remaining explosives shall be immediately returned to proper storage.

5607.9.2 Drill Hole Deepening

Drill holes which have contained explosives shall not be re-drilled.

Related Code Sections


5607.9 Explosives and Fireworks, Drill Holes
Holes drilled for the loading of explosive charges shall be made and loaded in accordance with NFPA 495 ...
California Fire Code 2019 > 56 Explosives and Fireworks > 5607 Blasting > 5607.9 Drill Holes
5607.9 Explosives and Fireworks, Drill Holes
Holes drilled for the loading of explosive charges shall be made and loaded in accordance with NFPA 495 ...
California Fire Code 2016 > 56 Explosives and Fireworks > 5607 Blasting > 5607.9 Drill Holes
1810.4.10 Soils and Foundations, Micropiles
Micropile deep foundation elements shall be permitted to be formed in holes advanced by rotary or percussive drilling methods, with or without casing ...
California Building Code 2016 (Vol 1 & 2) > 18 Soils and Foundations > 1810 Deep Foundations > 1810.4 Installation > 1810.4.10 Micropiles
1810.4.10 Soils and Foundations, Micropiles
Micropile deep foundation elements shall be permitted to be formed in holes advanced by rotary or percussive drilling methods, with or without casing ...
California Building Code 2019 (Vol 1 & 2) > 18 Soils and Foundations > 1810 Deep Foundations > 1810.4 Installation > 1810.4.10 Micropiles
1810A.4.10 Soils and Foundations, Micropiles
Micropile deep foundation elements shall be permitted to be formed in holes advanced by rotary or percussive drilling methods, with or without casing ...
California Building Code 2016 (Vol 1 & 2) > 18A Soils and Foundations > 1810A Deep Foundations > 1810A.4 Installation > 1810A.4.10 Micropiles
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