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307.5 Trench Location
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Trenches installed parallel to footings shall not extend below the 45-degree (0.79 rad) bearing plane of the footing or wall.
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307.5 General Regulations, Trench Location
Trenches installed parallel to footings shall not extend below the 45-degree (0.79 rad) bearing plane of the footing or wall ...
Plumbing Code 2012 of Tennessee > 3 General Regulations > 307 Structural Safety > 307.5 Trench Location
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Trenching, pipe installation and backfilling shall be in accordance with Section P2604. Water-service pipe is permitted to be located in the same ...
Residential Code 2009 of Tennessee > 29 Water Supply and Distribution > P2905 Materials, Joints and Connections > P2905.4 Water Service Pipe > P2905.4.2 Water Service Installation
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Trenching, pipe installation and backfilling shall be in accordance with Section P2604. Where water service piping is located in the same trench ...
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, locations to the following: Piping trenches. The interior of equipment. The immediate vicinity of pumps or equipment locations ...
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(3) Wiring Methods and Materials, Service Conductors
Underground service conductors that are not encased in concrete and that are buried 450 mm (18 in.) or more below grade shall have their location ...
National Electrical Code 2017 of Tennessee > 3 Wiring Methods and Materials > 300 General Requirements for Wiring Methods and Materials > 300.5 Underground Installations > (D) Protection From Damage > (3) Service Conductors