Transcription of Sewage Disposal Technical Guidelines - gnb.ca
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Sewage Disposal Technical Guidelines - gnb.ca
New Brunswick Technical Guidelines for On-site Sewage Disposal Systems Version 5 Health February 2016 Version 5 Replaces: All Previous Page 2 of 67 Table of Contents 1 GENERAL .. 4 Abbreviations .. 4 Conversion Factors .. 5 Department of Public Safety (DPS), Technical Inspection Services Head Office .. 6 2 INTRODUCTION .. 6 3 LOT EVALUATION .. 7 Soil 7 Slope and Interceptor Drains .. 9 Separation Distances .. 10 Watercourses & Wetlands .. 11 Wells .. 11 Exemptions .. 11 Lot Layout .. 12 Planning .. 13 4 ON-SITE Sewage Disposal SYSTEM DESIGN .. 13 Estimated Daily Sewage Flow .. 13 System Sizing .. 13 Septic Tank .. 14 Conventional Design .. 16 Pipe and Stone In-ground Trench .. 17 Raised Mound Trench System .. 20 Imported Sand .. 20 Apron and Taper .. 22 Leaching Chamber (Concrete) .. 23 Infiltrative Chamber (Plastic) .. 25 Approved For Use in New Brunswick .. 26 Holding Tank.
3.3.1 Watercourses & Wetlands ... 13 3.5 Planning ... bedrock (the solid rock that underlies loose material such as gravel, sand, loam or clay, and includes material such as limestone, sandstone, shale, etc.) and/or impermeable soils (such as clay). All of this will determine whether an in-ground trench or raised
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