Transcription of design - polypipe.com.au
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design - polypipe.com.au
Pipe Systems PE Pipe Systems PE Pipe Systems PE Pipe Systems PE Pipe Systems PE Pipe Systems PE Pipe SystemsdesignTrench DesignMinimum CoverThe recommended minimum coverdepths for Vinidex PE pipes are listed inTable cover depths are indicative only,and specific installations should beevaluated in accordance with AS/NZS2566 - Buried Flexible minimum cover depths listed maybe reduced where load reductiontechniques are used, such as loadbearing beams, concrete slabs, conduitsleeves, or increased WidthsIn general practice, the trench widthshould be kept to the minimum thatenables construction to readily to Figures and trench width used with PE pipe maybe reduced from those used with otherpipe types by buttwelding, orelectrofusion jointing above ground, andthen feeding the jointed pipe into thetrench. Similarly, small diameter pipe incoil form can be welded or mechanicallyjointed above ground and then fed intothe minimum trench width should allowfor adequate tamping of side supportmaterial and should be not less than200mm greater than the diameter of thepipe.
Design.38 PE Pipe Systems PE Pipe Systems PE Pipe Systems PE Pipe Systems PE Pipe Systems PE Pipe Systems PE Pipe Systems design Figure 4.7 Narrow Trench Condition
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