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• <br />Thanks for your help. <br />� . s l � ' ti � ' , <br />Brian , , �.� � <br />.•.��t � •., •r�•r <br />q - ,.._� Y , <br />� , }� <br />. . ,. ,.; , ,.� ,� , .!,+� <br />Brian and Debbie Ritchhart <br />1340 Madrona Avenue <br />Everett <br />From the International Residential Code for One-and-Two Family Dwellings as adapted by <br />City of Everett: <br />SECTION P3302 SUBSOIL DRAINS <br />P3302.1 Subsoil drains. <br />Subsoil drains shall be open jointed, horizontally split or perforated pipe conforming to one of the standards <br />listed in Table P3302.1. Such drains shall be not less than 4 inches (102 mm) in diameter. Where the building is <br />subject to backwater, the subsoil drain shall be protected by an accessibly located backwater valve. Subsoil <br />drains shall discharge to a trapped area drain, sump, dry well or upproved localion above grozrnd. �t��� <br />�'eA����aec��� b��9�a���.y The subsoil sump shall not be required to have cither a gas-tight cover or a vent. <br />(Commeiit: It does nr.;;:., The sump and pumping system shall comply with Section P3303. ��'����n�e►at: �t d��es <br />not - see below.) <br />TABLE P3302.1 SUBSOIL DRAIN PIPE <br />MATERIAL STANDARD <br />Asbestos-cement pipe ASTM C 508 <br />ASTM A 74; ASTM A 888; <br />Cast-iron pipe CISPI 301 <br />Polyethylene (PE) plastic pipe ASTM F 405; CSA B182.1; CSA <br />B182.6; CSA B182.8 <br />Polyvinyl chloride (PVC) �STM D 2729; ASTM P 891; <br />Plastic pipe (type sewer pipe, CSA B182.2; CSA B182.4 <br />PS25, PS50 or PS100) <br />Stainless steel drainage <br />systems, Type 316L ASME A112.3.1 <br />Vitrified clay pipe AS1'M C 4; ASTM C 700 <br />ra <br />