{"product_id":"nfpa-22-standard-for-water-tanks-for-private-fire-protection-2018","title":"NFPA 22, Standard for Water Tanks for Private Fire Protection 2018","description":"\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:a4c32e15-d9fc-4f1d-b0ed-f2fbe3265ddc-1\" data-testid=\"conversation-turn-4\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"c1f25a5b-7a7d-42ba-a7e4-b60921c84faf\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"66\" data-end=\"218\"\u003eHelp improve building safety and support dependable fire protection water supplies with NFPA 22, \u003cem data-start=\"163\" data-end=\"217\"\u003eStandard for Water Tanks for Private Fire Protection\u003c\/em\u003e.\u003c\/p\u003e\n\u003cp data-start=\"220\" data-end=\"514\"\u003eNFPA 22 provides comprehensive requirements for the design, construction, installation, and maintenance of private fire protection water tanks and accessory equipment. The standard helps ensure that water-based fire protection systems remain reliable and ready for operation during emergencies.\u003c\/p\u003e\n\u003cp data-start=\"516\" data-end=\"729\"\u003eThe 2023 edition introduces extensive revisions intended to improve usability, streamline requirements, and modernize the standard in alignment with current engineering practices and referenced industry standards.\u003c\/p\u003e\n\u003cp data-start=\"731\" data-end=\"983\"\u003eNFPA 22 is an essential resource for designers, engineers, contractors, installers, municipal leaders, insurance representatives, authorities having jurisdiction (AHJs), and professionals responsible for fire protection planning and public fire safety.\u003c\/p\u003e\n\u003ch3 data-section-id=\"xtvnl1\" data-start=\"985\" data-end=\"999\"\u003eHighlights\u003c\/h3\u003e\n\u003cp data-start=\"1001\" data-end=\"1073\"\u003eSignificant revisions in this clarified and streamlined edition include:\u003c\/p\u003e\n\u003cul data-start=\"1075\" data-end=\"1853\"\u003e\n\u003cli data-section-id=\"g498ok\" data-start=\"1075\" data-end=\"1139\"\u003eRemoval of redundant sections to improve clarity and usability\u003c\/li\u003e\n\u003cli data-section-id=\"4o4rra\" data-start=\"1140\" data-end=\"1299\"\u003eRevised provisions addressing external loads such as wind, snow, and live load requirements, incorporating recognized standards and updated design approaches\u003c\/li\u003e\n\u003cli data-section-id=\"hzqp3j\" data-start=\"1300\" data-end=\"1408\"\u003eUpdated tank sizing requirements to ensure consideration of pump suction pressure during water tank design\u003c\/li\u003e\n\u003cli data-section-id=\"vdvhwn\" data-start=\"1409\" data-end=\"1529\"\u003eAmended water tank construction requirements aligned with newly referenced standards and recognized industry practices\u003c\/li\u003e\n\u003cli data-section-id=\"cp4wlr\" data-start=\"1530\" data-end=\"1601\"\u003eAdditional valve requirements incorporated to improve maintainability\u003c\/li\u003e\n\u003cli data-section-id=\"1oqxgtj\" data-start=\"1602\" data-end=\"1710\"\u003eNew separation distance requirements for fill lines and suction pipes to help prevent fire pump cavitation\u003c\/li\u003e\n\u003cli data-section-id=\"jw69gl\" data-start=\"1711\" data-end=\"1787\"\u003eEditorial corrections, including updated unit conversions where applicable\u003c\/li\u003e\n\u003cli data-section-id=\"16ev3xo\" data-start=\"1788\" data-end=\"1853\"\u003eReferences updated to the latest applicable codes and standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"15wvjji\" data-start=\"1855\" data-end=\"1887\"\u003eAdditional Technical Updates\u003c\/h3\u003e\n\u003cul data-start=\"1889\" data-end=\"2727\"\u003e\n\u003cli data-section-id=\"m7pn31\" data-start=\"1889\" data-end=\"2126\"\u003eChapter 5, \u003cem data-start=\"1902\" data-end=\"1995\"\u003eWelded-Carbon Steel and Composite Concrete and Carbon Steel Gravity Tanks and Suction Tanks\u003c\/em\u003e, was updated to retain only fire protection-specific requirements while removing duplicate provisions already covered in AWWA D100\u003c\/li\u003e\n\u003cli data-section-id=\"glr2tu\" data-start=\"2127\" data-end=\"2294\"\u003eChapter 6, \u003cem data-start=\"2140\" data-end=\"2183\"\u003eFactory-Coated, Bolted Carbon Steel Tanks\u003c\/em\u003e, was revised similarly by removing duplicate requirements from AWWA D103 and referencing the standard directly\u003c\/li\u003e\n\u003cli data-section-id=\"sth74u\" data-start=\"2295\" data-end=\"2534\"\u003eChapter 14, \u003cem data-start=\"2309\" data-end=\"2340\"\u003ePipe Connections and Fittings\u003c\/em\u003e, now includes clarified requirements for check valves in discharge piping for suction tanks and revised requirements mandating that tank repairs follow impairment procedures outlined in NFPA 25\u003c\/li\u003e\n\u003cli data-section-id=\"ymppns\" data-start=\"2535\" data-end=\"2727\"\u003eChapter 16, \u003cem data-start=\"2549\" data-end=\"2563\"\u003eTank Heating\u003c\/em\u003e, introduces new criteria for electric immersion heaters and replaces the previous lowest one-day mean temperature map with updated tank heating calculation methods\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"NFPA","offers":[{"title":"New Book \/ No Practice Exam \/ No Pre-Printed Tabs","offer_id":52423147553080,"sku":null,"price":164.99,"currency_code":"USD","in_stock":true},{"title":"New Book \/ No Practice Exam \/ Add pre-printed tabs","offer_id":52423147585848,"sku":null,"price":179.98,"currency_code":"USD","in_stock":true},{"title":"New Book \/ Add Practice Exam \/ No Pre-Printed Tabs","offer_id":52423147618616,"sku":null,"price":189.98,"currency_code":"USD","in_stock":true},{"title":"New Book \/ Add Practice Exam \/ Add pre-printed 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