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The document serves as an essential reference for fire protection engineers and designers involved in storage warehouse safety, offering a step-by-step methodology to compare water demand requirements across different sprinkler configurations for Class 4 commodities.",{"@graph":14,"@context":73},[15,34,56],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/research-report/","Research & 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primary sprinkler options for a storage warehouse application according to the document?","Question",{"text":63,"@type":64},"The document outlines four options: CMDA (Control Mode Density/Area), CMSA (Control Mode Specific Application), ESFR (Early Suppression Fast Response), and an alternate approach per Chapter 24 of NFPA 13.","Answer",{"name":66,"@type":61,"acceptedAnswer":67},"How is the adjusted sprinkler density determined when the ceiling height exceeds 20 feet?",{"text":68,"@type":64},"The document indicates that density must be adjusted based on the actual ceiling height, showing an example calculation where a base density of 0.30 GPM/sf is multiplied by 1.9 to reach an adjusted density of 0.57 GPM/sf for a 35-foot ceiling.",{"name":70,"@type":61,"acceptedAnswer":71},"What is the hose stream allowance for the described storage warehouse example?",{"text":72,"@type":64},"For the provided example, the hose stream allowance is 500 GPM, with a system water supply duration of 120 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CMDA/CMSA/ESFR anda special approach  \nWater demand & Hydraulic calculations for Rack Sprinklers  \nBy: Mehboob Shaikh  \nM. Tech (ISFT) | B.Eng. | CFPS | CFI | AMIE  \nCMDA/CMSA/ESFR  \nSPRINKLERS  \nWater Demand Calculation for CMDA/CMSA/ESFR Sprinklers for storage applications  \nExample: 1  \nType of Facility : Storage Warehouse  \nType of Ceiling Sprinkler :  \n• Option 01 : CMDA  \n• Option 02 : CMSA  \n• Option 03 : ESFR  \n• Option 04 : Using Alternate Approach per Chapter 24  \nType of Commodity: Class 4, Pallatized  \nHeight of storage: 30 feet  \nHeight of ceiling: 35 feet  \nType of System: Wet  \nCalculate Water Demand for all 4 options and Compare  \n\n|  |\n| --- |\n| \u003Cbr>Option 01 : With CMDA Sprinklers\u003Cbr>Let us refer NFPA 13, 2019, Chapter 21, Cl. 21.2 Figure 21.2.2.\u003Cbr>|\n| From above figure ; |\n\nDensity = 0.30 GPM / sf  \nArea of operation = 2000 SF  \nNote that the above figure is wa ith ceiling height of 20 ft we need to adjust density as per the actual height of the ceiling  \nAnd we will do that using below figure;  \nAdjusted density = 1.9 x 0.30 = 0.57 gpm / sf  \nNow, Hose stream allowances and water supply duration we can select from table [20.12.2.6](20.12.2.6) as shown below  \nHose allowances is 500 GPM over 2000 SF for 120 Min.  \nAs the density is greater than 0.34 GPM/sf hence sprinklers with the K  \n\n| Sprinkler\u003Cbr>demand (GPM) | Hose demand\u003Cbr>(GPM) | Total Flow (GPM) | Duration\u003Cbr>(Minutes) | Total Gallons |\n| --- | --- | --- | --- | --- |\n| 2000 x 0.57\u003Cbr>\u003Cbr>= 1140 GPM | 500\u003Cbr>\u003Cbr>| 1640\u003Cbr>| 120\u003Cbr>| 196,800\u003Cbr>|\n\nfactor 11.2 or greater needs to be used.  \n•K11 .2 (160) @ 100 ft2 = 26 psi (1 .8 bar)  \n•K16 .8 (240) @ 100 ft2 = 11.5 psi (0 .8 bar)  \nOption 02 : With CMSA Sprinklers  \nLet us refer NFPA 13, 2019, Chapter 22, Cl. 22.2 Table 22.2","cbCaij0nS3V6T0mr","https://ap.wps.com/l/cbCaij0nS3V6T0mr","pdf",2549716,47,"English","# Calculations for Fire Sprinkler Systems in Storage Applications per NFPA 13\n## CMDA, CMSA, and ESFR Sprinklers\n## Water Demand Calculation Example\n## Hose Stream Allowances and System Requirements","[{\"question\":\"What are the primary sprinkler options for a storage warehouse application according to the document?\",\"answer\":\"The document outlines four options: CMDA (Control Mode Density/Area), CMSA (Control Mode Specific Application), ESFR (Early Suppression Fast Response), and an alternate approach per Chapter 24 of NFPA 13.\"},{\"question\":\"How is the adjusted sprinkler density determined when the ceiling height exceeds 20 feet?\",\"answer\":\"The document indicates that density must be adjusted based on the actual ceiling height, showing an example calculation where a base density of 0.30 GPM/sf is multiplied by 1.9 to reach an adjusted density of 0.57 GPM/sf for a 35-foot ceiling.\"},{\"question\":\"What is the hose stream allowance for the described storage warehouse example?\",\"answer\":\"For the provided example, the hose stream allowance is 500 GPM, with a system water supply duration of 120 minutes.\"}]","Calculations for Fire Sprinkler Systems in Storage Applications per NFPA 13 | PDF",1792816603,118]