{"text_format":"1","workbook":"xlsx","n_sheets":4,"sheets":["About","Volume Calculator","Ft & Inch to Decimal Feet Calc","Considerations"],"not_rendered":{"charts":0,"images":6,"macros":1,"external_links":0,"defined_names":1,"comments":0,"pivot_tables":0},"unopened":[],"bounds":{"document_bytes":16777216,"sheet_cells":100000,"rows_first":2000,"rows_last":500,"rows_between":2000,"halvings":0,"cell_chars":16384,"cell_head_chars":4096},"cells_cut":0,"cells_raw":0,"read":"whole","date_system":"1900"}

{"sheet":"About","index":0,"n_rows":42,"n_cols":9,"rows_kept":42,"cut":false,"hidden":false,"merged":[[11,2,11,14],[10,4,10,7],[13,2,13,13],[15,7,15,11],[22,2,22,10],[41,3,41,14],[18,8,18,9],[23,9,24,9],[23,10,24,10],[39,3,39,14],[40,3,40,14],[23,3,24,3],[23,4,24,4],[23,5,24,5],[23,6,24,6],[23,7,24,7]]}
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[null,null,"About this Tool"]
[null,null,"This tool can be used to calculate the volume of water stored between the source of hot water and individual fixtures."]
[]
[null,null,"Section 3.3 of the ",null,"WaterSense New Home Specification",null,null,null,"requires that hot water distribution systems store no more than"]
[null,null,"0.5 gallons (64 ounces) of water between the source of hot water and the furthest fixture. During inspection, no more than 0.6 gallons (76.8 ounces) of water is allowed to be discharged before a rise of 10° F can be observed."]
[]
[null,null,"Plumbing is a complicated and resource instensive system that has a major impact on the cost, comfort, and performance of a home. This tool is intended to help calculate the volume of water stored in the system between the source and the fixture and determine whether or not the system will meet the WaterSense criteria."]
[]
[null,null,"WaterSense has more information in the",null,null,null,null,"Guide for Efficient Hot Water Delivery Systems."]
[null,null,"Builders, plumbers, and other users should always follow industry best practices and local building codes."]
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[null,null,"You will need to enable macros in order to use this tool.",null,null,null,null,null,"More Information."]
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[null,null,"How is the Volume Calculated?"]
[null,null,"The table below summarizes the volume of water stored in different sized piping:"]
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[null,null,"The volume of water stored in manifolds is estimated at 0.013 gallons per manifold port."]
[null,null,"This estimate is based on information provided by the Plastic Pipe and Fittings Association (PPFA)."]
[]
[null,null,"How to Use This Tool"]
[null,null,"This tool contains several sheets:"]
[null,null,null,"1. Volume Calculator: Use this sheet to calculate the volume of water stored in the different runs. Start by selecting the system type and use the illustrations to help identify the correct places to enter your data."]
[null,null,null,"2. Ft & Inch to Decimal Calc: This sheet provides a handy way to convert feet and inches into decimal feet (ex: 5' 6\" to 5.5 feet)."]
[null,null,null,"3. Considerations: Provides a summary of the major considerations for selecting different types of distribution systems."]

{"sheet":"Volume Calculator","index":1,"n_rows":71,"n_cols":25,"rows_kept":71,"cut":false,"hidden":false,"merged":[[1,3,1,4],[29,25,29,30],[1,15,1,16],[2,15,2,16],[3,15,3,16],[12,19,12,21],[27,14,27,17],[28,14,28,16],[32,25,32,30],[31,25,31,30],[30,25,30,30],[4,15,4,16],[8,15,8,16],[5,15,5,16],[6,15,6,16],[7,15,7,16],[47,2,47,3],[36,2,36,3],[4,2,4,4],[7,2,7,4],[15,2,15,4],[20,2,20,4],[25,2,25,4]]}
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Table for piping type and volumes:"]
[null,"Type of system:",null,"Whole House Manifold",null,null,null,null,null,null,null,null,null,null,"Nominal size (inches)","Copper M",null,"Copper L","Copper K","CPVC CTS SDR 11","CPVC SCH 40","PEX-Al-PEX ASTM F 1281","PE-AL-PE","PEX CTS SDR 9"]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,"3/8\"",1.06,null,0.97,0.84,"N/A",1.17,0.63,0.63,0.64]
[null,"manifold/main line:",null,null,null,null,null,null,null,null,null,null,null,null,"1/2\"",1.69,null,1.55,1.45,1.25,1.89,1.31,1.31,1.18]
[null,"Main line piping:",null,null,null,"diameter","3/4\"",null,null,null,null,null,null,null,"3/4\"",3.43,null,3.22,2.9,2.67,3.38,3.93,3.39,2.35]
[null,"length (feet)",0,null,"ounces/ft:",{"$f":"IF(C5=\"\",0,VLOOKUP(Q14,T14:U73,2))","v":0},"volume (oz):",{"$f":"IF(SUM(C6*F6)>0,SUM(C6*F6),0)","v":0},null,null,null,null,null,null,"1\"",5.81,null,5.43,5.17,4.43,5.53,5.56,5.56,3.91]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,"1 1/4\"",8.6999999999999993,null,8.36,8.09,6.61,9.66,8.49,8.49,5.81]
[null,"Number of ports in the manifold:",null,null,null,"volume (oz):",{"$f":"IF(C8>0,VLOOKUP(C8,O30:R44,4),0)","v":0},null,null,null,null,null,null,null,"1 1/2\"",12.18,null,11.83,11.45,9.2200000000000006,13.2,13.88,13.88,8.09]
[null,null,null,null,null,"Total volume (oz):",{"$f":"H6+G8","v":0},null,null,null,null,null,null,null,"2\"",21.08,null,20.58,20.04,15.79,21.88,21.48,21.48,13.86]
[]
[]
[null,"Fixture",1,null,{"$f":"B12&\" \"&C12","v":"Fixture 1"}]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Table for drop down list",null,"Concocted piping types for vlookup function",null,null,"Table for vlookup function of piping type:",null,null,null,null,"Table for Pipe Type Drop Down"]
[null," ",null,null,null,null,null,null,null,null,null,null,null,null,1,null,{"$f":"CONCATENATE(C5,B14,G5)","v":" 3/4\""},null,null,"Copper K 1 1/2\"",11.45]
[null,{"$f":"IF(D2=\"Trunk & Branch\",\"Trunk:\",\"Line:\")","v":"Line:"},null,null,null,null,null,null,null,null,null,null,null,null,{"$f":"O14+1","v":2},null,{"$f":"CONCATENATE(C16,B14,G16)","v":" 1/2\""},null,null,"Copper K 1 1/4\"",8.09,null,null,null,"Copper K"]
[null,"piping:",null,null,null,"diameter","1/2\"",null,null,null,null,null,null,null,{"$f":"O15+1","v":3},null,{"$f":"CONCATENATE(C21,B14,G21)","v":" 1/2\""},null,null,"Copper K 1\"",5.17,null,null,null,"Copper L"]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,4,null,{"$f":"CONCATENATE(C26,B14,G26)","v":" 1/2\""},null,null,"Copper K 1/2\"",1.45,null,null,null,"Copper M"]
[null,"length (feet)",0,null,"ounces/ft:",{"$f":"IF(C16=\"\",0,VLOOKUP(Q15,T10:U73,2,FALSE))","v":0},"volume (oz):",{"$f":"IF(SUM(C18*F18)>0,SUM(C18*F18),0)","v":0},null,null,null,null,null,null,5,null,null,null,null,"Copper K 2\"",20.04,null,null,null,"CPVC CTS SDR 11"]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,6,null,"Calculation to Advance Fixture #",null,null,"Copper K 3/4\"",2.9,null,null,null,"CPVC SCH 40"]
[null,"Branch:",null,null,null,null,null,null,null,null,null,null,null,null,7,null,{"$f":"IF(C12<10,C12+1,10)","v":2},null,null,"Copper K 3/8\"",0.84,null,null,null,"PE-AL-PE"]
[null,"piping:",null,null,null,"diameter","1/2\"",null,null,null,null,null,null,null,{"$f":"O20+1","v":8},null,null,null,null,"Copper L 1 1/2\"",11.83,null,null,null,"PEX CTS SDR 9"]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,9,null,null,null,null,"Copper L 1 1/4\"",8.36,null,null,null,"PEX-Al-PEX ASTM F 1281"]
[null,"length (feet)",0,null,"ounces/ft:",{"$f":"IF(C21=\"\",0,VLOOKUP(Q16,T10:U73,2,FALSE))","v":0},"volume (oz):",{"$f":"IF(SUM(C23*F23)>0,SUM(C23*F23),0)","v":0},null,null,null,null,null,null,{"$f":"O22+1","v":10},null,null,null,null,"Copper L 1\"",5.43]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Copper L 1/2\"",1.55]
[null,"Twig:",null,null,null,null,null,null,null,null,null,null,null,null,"Table for drop down list",null,null,null,null,"Copper L 2\"",20.58]
[null,"piping:",null,null,null,"diameter","1/2\"",null,null,null,null,null,null,null,"Yes",null,null,null,null,"Copper L 3/4\"",3.22]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,"No",null,null,null,null,"Copper L 3/8\"",0.97]
[null,"length (feet)",0,null,"ounces/ft:",{"$f":"IF(C26=\"\",0,VLOOKUP(Q17,T10:U73,2,FALSE))","v":0},"volume (oz):",{"$f":"IF(SUM(C28*F28)>0,SUM(C28*F28),0)","v":0},null,null,null,null,null,null,"Table for drop down list/vlookup function of manifold",null,null,null,null,"Copper M 1 1/2\"",12.18]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Manifold type",null,null,"Volume",null,"Copper M 1 1/4\"",8.6999999999999993]
[null,"total",null,null,null,null,null,null,null,null,null,null,null,null,1,"port","manifold",{"$f":"O30*1.664","v":1.6639999999999999},null,"Copper M 1\"",5.81]
[null,"length (feet)",{"$f":"SUM(C6+C18+C23+C28)","v":0},null,null,null,"volume (oz):",{"$f":"SUM(G9,H18,H23,H28)","v":0},null,null,null,null,null,null,2,"port","manifold",{"$f":"O31*1.664","v":3.3279999999999998},null,"Copper M 1/2\"",1.69]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,3,"port","manifold",4.992,null,"Copper M 2\"",21.08]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,4,"port","manifold",6.6559999999999997,null,"Copper M 3/4\"",3.43]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,5,"port","manifold",8.32,null,"Copper M 3/8\"",1.06]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,6,"port","manifold",9.984,null,"CPVC CTS SDR 11 1 1/2\"",9.2200000000000006]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,7,"port","manifold",11.648,null,"CPVC CTS SDR 11 1 1/4\"",6.61]
[null,"Fixture","Length (ft)",null,"Volume (oz)","Volume (gal)",null,null,null,null,null,null,null,null,8,"port","manifold",13.311999999999999,null,"CPVC CTS SDR 11 1\"",4.43]
[null,"Fixture 1",null,null,null,{"$f":"IF(E38 =\"\",\"\",E38*0.0078125)","v":""},null,null,null,null,null,null,null,null,9,"port","manifold",14.975999999999999,null,"CPVC CTS SDR 11 1/2\"",1.25]
[null,"Fixture 2",null,null,null,{"$f":"IF(E39 =\"\",\"\",E39*0.0078125)","v":""},null,null,null,null,null,null,null,null,10,"port","manifold",16.64,null,"CPVC CTS SDR 11 2\"",15.79]
[null,"Fixture 3",null,null,null,"",null,null,null,null,null,null,null,null,11,"port","manifold",18.303999999999998,null,"CPVC CTS SDR 11 3/4\"",2.67]
[null,"Fixture 4",null,null,null,"",null,null,null,null,null,null,null,null,12,"port","manifold",19.968,null,"CPVC CTS SDR 11 3/8\"","N/A"]
[null,"Fixture 5",null,null,null,"",null,null,null,null,null,null,null,null,13,"port","manifold",21.631999999999998,null,"CPVC SCH 40 1 1/2\"",13.2]
[null,"Fixture 6",null,null,null,"",null,null,null,null,null,null,null,null,14,"port","manifold",23.295999999999999,null,"CPVC SCH 40 1 1/4\"",9.66]
[null,"Fixture 7",null,null,null,"",null,null,null,null,null,null,null,null,15,"port","manifold",24.959999999999997,null,"CPVC SCH 40 1\"",5.53]
[null,"Fixture 8",null,null,null,"",null,null,null,null,null,null,null,null,null,null,null,null,null,"CPVC SCH 40 1/2\"",1.89]
[null,"Fixture 9",null,null,null,"",null,null,null,null,null,null,null,null,null,null,null,null,null,"CPVC SCH 40 2\"",21.88]
[null,"Fixture 10",null,null,null,"",null,null,null,null,null,null,null,null,null,null,null,null,null,"CPVC SCH 40 3/4\"",3.38]
[null,null,null,null,null,"",null,null,null,null,null,null,null,null,null,null,null,null,null,"CPVC SCH 40 3/8\"",1.17]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Table for drop down list of system types and terms:",null,null,null,null,"PE-AL-PE 1 1/2\"",13.88]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Core","Line: The distance from the water heater to the individiual fixture."," "," ",null,"PE-AL-PE 1 1/4\"",8.49]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Demand Recirculation","Line: The distance from the demand controlled recirculation loop to the individual fixture."," "," ",null,"PE-AL-PE 1\"",5.56]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Trunk & Branch","Trunk: The large diameter piping that runs from the water heater toward multiple points of use.","Branch: The pipe that runs off the main trunk toward a cluster of fixtures (such as a bathroom or a kitcen).","Twig: The small diameter piping that serves an individual fixture.",null,"PE-AL-PE 1/2\"",1.31]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Whole House Manifold","Main Line Piping: The large diamter tubing connecting a water heater to a whole house manifold.","Line: The individual run connecting a single fixture with the manifold."," ",null,"PE-AL-PE 2\"",21.48]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"PE-AL-PE 3/4\"",3.39]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"PE-AL-PE 3/8\"",0.63]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"PEX CTS SDR 9 1 1/2\"",8.09]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"PEX CTS SDR 9 1 1/2\"",8.09]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"PEX CTS SDR 9 1 1/4\"",5.81]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"PEX CTS SDR 9 1\"",3.91]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"PEX CTS SDR 9 1/2\"",1.18]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"PEX CTS SDR 9 2\"",13.86]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"PEX CTS SDR 9 2\"",13.86]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"PEX CTS SDR 9 3/4\"",2.35]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"PEX CTS SDR 9 3/8\"",0.64]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"PEX-Al-PEX ASTM F 1281 1 1/2\"",13.88]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"PEX-Al-PEX ASTM F 1281 1 1/4\"",8.49]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"PEX-Al-PEX ASTM F 1281 1\"",5.56]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"PEX-Al-PEX ASTM F 1281 1/2\"",1.31]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"PEX-Al-PEX ASTM F 1281 2\"",21.48]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"PEX-Al-PEX ASTM F 1281 3/4\"",3.93]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,"PEX-Al-PEX ASTM F 1281 3/8\"",0.63]

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[]
[]
[null,"Use this page to convert from feet and inches into decimal feet."]
[]
[null,"ft'","inch\"",null,"Segment (ft)",null,null,null,null,null,"Total",null,null,null,null,null,1,0.5]
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[null,null,null,null," "," "," "," "," "," "," "," "," "," "," "," "]
[null,null,null,null," "," "," "," "," "," "," "," "," "," "," "," "]
[null,null,null,null,null,null,null,null,null,"Total values:",{"$f":"SUM(E6:E43)","v":0},"ft",{"$f":"ROUNDDOWN(K44,0)","v":0},"ft",{"$f":"(SUM((K44-M44)*12))","v":0},"inches"]
[null,null,null,null,null,null,null,null,null,null,null,null,null,{"$f":"IF(SUM(B45:D45),\"ft\",\" \")","v":" "}]

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[null,"Consideration","Hot Water Delivery System Type"]
[null,null,"Trunk and Branch","Core","Whole-House Manifold","Demand-Initiated Recirculation"]
[null,"Home Type Suitability","·     Smaller homes","·    Smaller homes","Can be used in any single-family or multi-family home, but suitable for:","·      Smaller homes where fixtures are not centrally located near water heater"]
[null,null,"·     Homes with relatively few fixtures","·    Homes with relatively few fixtures","·   Larger homes where long piping runs may be necessary","·      Individual units of multi-family buildings."]
[null,null,"·     Individual units of multi-family buildings","·    Individual units of multi-family buildings","·   Homes that have a large number of fixtures ","·      Larger homes with a large number of fixtures, provided a recirculation loop can be installed within 10 feet of each fixture"]
[null,null,null,null,"·   Multi-family buildings three stories or less with a centralized system supplying hot water to multiple units "]
[null,"Layout and Design Strategy ","·     Locate fixtures in close proximity to water heater to minimize pipe run length to farthest fixture","·    Locate fixtures in close proximity to water heater to minimize pipe run length to farthest fixture","·   Can be used with a less centralized layout where longer pipe runs are necessary ","·        Can be used with a less centralized layout where longer pipe runs would otherwise be necessary"]
[null,null,"·     One long main trunk supplies water to farther fixture, individual fixtures are connected to main trunk","·    Pipes run directly from water heater to individual fixtures","·   Piping runs from manifold to individual fixtures","·        Locate fixtures within 10 feet of loop and in relative proximity to minimize recirculation loop size "]
[null,null,null,null,"·   Locate manifold in close proximity to the water heater","·        Piping runs directly from loop to individual fixtures"]
[null,"Materials and Pipe Diameter","·     Any type of piping can be used, although copper is traditional","·     Any type of piping can be used and multiple types if necessary, although copper, CPVC, and PEX are common","·         Uses flexible piping such as PEX","·        Typically use copper of CPVC piping"]
[null,null,"·     Requires larger piping on main trunk line, while smaller piping can be used to supply individual fixtures","·    Can use smaller diameter piping to run directly from water heater to individual fixtures","·         Can use smaller pipe diameter running from manifold to individual fixtures; 3/8 inch diameter pipe is ideal","·        Can use smaller pipe diameter to supply individual fixtures from the recirculation loop"]
[null,"Implementation","·     Traditional system with which most plumbing professionals are familiar ","·   Requires significant planning to centralize fixture placement and minimize pipe run lengths","·   Can be installed more quickly than traditional rigid systems","·        May be more expensive than other system types"]
[null,null,"·     Requires planning to centralize fixture placement and minimize pipe run lengths","·   Provides flexibility in pipe material choice","·   Requires fewer fittings and installation is more flexible","·        Requires installation of pumps, switches or sensors and a significant amount of piping for the recirculation loop"]
[null,null,null,"·   Uses less material than trunk and branch and can be less expensive and quicker to install",null,"·        May require homeowner training"]
[null,"Efficiency and Other Considerations","·     Has the greatest potential for inefficiency","·   Smaller pipe diameters running directly to fixtures can reduce conductive heat loss compared to trunk and branch systems","·   Equalizes pressure, allowing fixtures to be used simultaneously without pressure or temperature changes","·        If designed properly, can be the most water efficient hot water delivery system"]
[null,null,"·     May be the hardest type of system to use to meet the WaterSense new home specification requirements",null,"·   Elimination of inline fittings reduces pressure loss and allows for even further reduction in pipe diameter over other systems"]
[null,null,null,null,"·   Reduced pipe diameter delivers hot water faster and with less water and energy waste"]