\relax 
\providecommand\hyper@newdestlabel[2]{}
\providecommand\HyField@AuxAddToFields[1]{}
\providecommand\HyField@AuxAddToCoFields[2]{}
\@writefile{toc}{\contentsline {section}{\numberline {1}248 CMR 10 -- Sections}{4}{section.0.1}\protected@file@percent }
\@writefile{toc}{\contentsline {section}{\numberline {2}248 CMR 10.02 -- Basic Principles}{6}{section.0.2}\protected@file@percent }
\@writefile{toc}{\contentsline {section}{\numberline {3}Water Column}{8}{section.0.3}\protected@file@percent }
\@writefile{lof}{\contentsline {figure}{\numberline {1}{\ignorespaces Cylindrical column.}}{8}{figure.0.1}\protected@file@percent }
\newlabel{fig:watercolumn-cylinder}{{1}{8}{Cylindrical column}{figure.0.1}{}}
\@writefile{lof}{\contentsline {figure}{\numberline {2}{\ignorespaces Rectangular column.}}{8}{figure.0.2}\protected@file@percent }
\newlabel{fig:watercolumn-box}{{2}{8}{Rectangular column}{figure.0.2}{}}
\@writefile{toc}{\contentsline {subsection}{\numberline {3.1}Cross Section}{8}{subsection.0.3.1}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {3.2}Column Capacity}{8}{subsection.0.3.2}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {3.3}Column Surface Area}{10}{subsection.0.3.3}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {3.4}Column Water Weight}{10}{subsection.0.3.4}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {3.5}Pressure in a Column}{12}{subsection.0.3.5}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {3.6}Atmospheric Pressure}{12}{subsection.0.3.6}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {3.7}Horizontal Column}{13}{subsection.0.3.7}\protected@file@percent }
\@writefile{lof}{\contentsline {figure}{\numberline {3}{\ignorespaces Cylindrical tank cross section showing vertical diameter $D=2R$ and liquid level at height $h$ above the bottom.}}{13}{figure.0.3}\protected@file@percent }
\newlabel{fig:horizontalcolumn}{{3}{13}{Cylindrical tank cross section showing vertical diameter $D=2R$ and liquid level at height $h$ above the bottom}{figure.0.3}{}}
\@writefile{toc}{\contentsline {section}{\numberline {4}Fixture Units}{15}{section.0.4}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {4.1}Review of Definitions}{15}{subsection.0.4.1}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {4.2}Alternate Definitions}{15}{subsection.0.4.2}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Massachusetts Plumbing Code (CMR 10.03)}{15}{section*.9}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Uniform Plumbing Code (UPC)}{15}{section*.10}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{International Plumbing Code (IPC)}{15}{section*.11}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Mometrix Media}{15}{section*.12}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {4.3}Valve and Tank Problem}{16}{subsection.0.4.3}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {4.4}Hunter's Calculation}{18}{subsection.0.4.4}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {4.5}Fixture Unit Defined}{19}{subsection.0.4.5}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Corollary}{20}{section*.21}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {4.6}Hunter's Curve}{21}{subsection.0.4.6}\protected@file@percent }
\@writefile{lof}{\contentsline {figure}{\numberline {4}{\ignorespaces Gallons per minute versus fixture unit count for flush valves, flush tanks, and bathtubs. (\textit  {National Bureau of Standards Report: BMS 65}, 1940)}}{22}{figure.0.4}\protected@file@percent }
\newlabel{fig:hunter1}{{4}{22}{Gallons per minute versus fixture unit count for flush valves, flush tanks, and bathtubs. (\textit {National Bureau of Standards Report: BMS 65}, 1940)}{figure.0.4}{}}
\@writefile{lof}{\contentsline {figure}{\numberline {5}{\ignorespaces Hunter's Curve. (\textit  {National Bureau of Standards Report: BMS 65}, 1940)}}{22}{figure.0.5}\protected@file@percent }
\newlabel{fig:hunter2}{{5}{22}{Hunter's Curve. (\textit {National Bureau of Standards Report: BMS 65}, 1940)}{figure.0.5}{}}
\@writefile{toc}{\contentsline {section}{\numberline {5}Traps and Cleanouts}{23}{section.0.5}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {5.1}Five Parts}{23}{subsection.0.5.1}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {5.2}Trap Requirements}{23}{subsection.0.5.2}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {5.3}SLAMOBEC}{24}{subsection.0.5.3}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {5.4}Floor and Trough Drains}{24}{subsection.0.5.4}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {5.5}Cleanouts}{24}{subsection.0.5.5}\protected@file@percent }
\@writefile{toc}{\contentsline {section}{\numberline {6}Water Pipe Sizing}{26}{section.0.6}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {6.1}The Sizing Method}{26}{subsection.0.6.1}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {6.2}Minimum Fixture Branches}{26}{subsection.0.6.2}\protected@file@percent }
\@writefile{lot}{\contentsline {table}{\numberline {1}{\ignorespaces Minimum sizes of individual fixture branches and factor values. Source: 248 CMR 10.14, Table 1; see 10.14(2)(a)2., 5.}}{26}{table.0.1}\protected@file@percent }
\newlabel{tab:water-fixture-factors}{{1}{26}{Minimum sizes of individual fixture branches and factor values. Source: 248 CMR 10.14, Table 1; see 10.14(2)(a)2., 5}{table.0.1}{}}
\@writefile{toc}{\contentsline {subsection}{\numberline {6.3}Demand Factors and Capacity Values}{27}{subsection.0.6.3}\protected@file@percent }
\@writefile{lot}{\contentsline {table}{\numberline {2}{\ignorespaces Occupancy use demand factors. Source: 248 CMR 10.14, Table 2; see 10.14(2)(a)4.}}{27}{table.0.2}\protected@file@percent }
\newlabel{tab:water-demand-factors}{{2}{27}{Occupancy use demand factors. Source: 248 CMR 10.14, Table 2; see 10.14(2)(a)4}{table.0.2}{}}
\@writefile{lot}{\contentsline {table}{\numberline {3}{\ignorespaces Capacity values for services, mains, risers, and branches. Source: 248 CMR 10.14, Table 3; see 10.14(2)(a)3.--4.}}{27}{table.0.3}\protected@file@percent }
\newlabel{tab:water-capacity}{{3}{27}{Capacity values for services, mains, risers, and branches. Source: 248 CMR 10.14, Table 3; see 10.14(2)(a)3.--4}{table.0.3}{}}
\@writefile{toc}{\contentsline {subsection}{\numberline {6.4}One-Family Example}{28}{subsection.0.6.4}\protected@file@percent }
\@writefile{lot}{\contentsline {table}{\numberline {4}{\ignorespaces Hot and cold factor totals in the example at 248 CMR 10.14(2)(a)8.}}{28}{table.0.4}\protected@file@percent }
\newlabel{tab:water-example}{{4}{28}{Hot and cold factor totals in the example at 248 CMR 10.14(2)(a)8}{table.0.4}{}}
\@writefile{toc}{\contentsline {subsection}{\numberline {6.5}Pressure at the Fixtures}{28}{subsection.0.6.5}\protected@file@percent }
\@writefile{lot}{\contentsline {table}{\numberline {5}{\ignorespaces Pressure entries from 248 CMR 10.14, Table 4; see 10.14(2)(c). The flow-rate column is not reproduced here.}}{28}{table.0.5}\protected@file@percent }
\newlabel{tab:water-pressure}{{5}{28}{Pressure entries from 248 CMR 10.14, Table 4; see 10.14(2)(c). The flow-rate column is not reproduced here}{table.0.5}{}}
\@writefile{toc}{\contentsline {subsection}{\numberline {6.6}Flow, Diameter, and Pressure Loss}{29}{subsection.0.6.6}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {6.7}Capacity Value vs. Diameter}{30}{subsection.0.6.7}\protected@file@percent }
\newlabel{eq:water-capacity-fit}{{1}{30}{Capacity Value vs. Diameter}{equation.0.1}{}}
\@writefile{toc}{\contentsline {subsection}{\numberline {6.8}Other Requirements Affecting the Design}{31}{subsection.0.6.8}\protected@file@percent }
\@writefile{toc}{\contentsline {section}{\numberline {7}Waste Pipe Sizing}{32}{section.0.7}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {7.1}Fixture Units}{32}{subsection.0.7.1}\protected@file@percent }
\@writefile{lot}{\contentsline {table}{\numberline {6}{\ignorespaces Fixture unit values. Source: 248 CMR 10.15, Table 1; see 10.15(2)(a)--(b).}}{32}{table.0.6}\protected@file@percent }
\newlabel{tab:waste-fixture-units}{{6}{32}{Fixture unit values. Source: 248 CMR 10.15, Table 1; see 10.15(2)(a)--(b)}{table.0.6}{}}
\@writefile{toc}{\contentsline {subsection}{\numberline {7.2}Pitch and Pipe Classification}{33}{subsection.0.7.2}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {7.3}Horizontal Waste Pipes}{33}{subsection.0.7.3}\protected@file@percent }
\@writefile{lot}{\contentsline {table}{\numberline {7}{\ignorespaces Maximum loads for horizontal drains. Source: 248 CMR 10.15, Table 2.}}{33}{table.0.7}\protected@file@percent }
\newlabel{tab:waste-horizontal}{{7}{33}{Maximum loads for horizontal drains. Source: 248 CMR 10.15, Table 2}{table.0.7}{}}
\@writefile{toc}{\contentsline {subsection}{\numberline {7.4}Stacks with One or Two Branch Intervals}{34}{subsection.0.7.4}\protected@file@percent }
\@writefile{lot}{\contentsline {table}{\numberline {8}{\ignorespaces Maximum loads for soil and waste stacks with one or two branch intervals. Source: 248 CMR 10.15, Table 3.}}{34}{table.0.8}\protected@file@percent }
\newlabel{tab:waste-short-stacks}{{8}{34}{Maximum loads for soil and waste stacks with one or two branch intervals. Source: 248 CMR 10.15, Table 3}{table.0.8}{}}
\@writefile{toc}{\contentsline {subsection}{\numberline {7.5}Stacks with Three or More Branch Intervals}{34}{subsection.0.7.5}\protected@file@percent }
\@writefile{lot}{\contentsline {table}{\numberline {9}{\ignorespaces Limits per branch interval and for the entire stack. Source: 248 CMR 10.15, Table 4 and its notes.}}{34}{table.0.9}\protected@file@percent }
\newlabel{tab:waste-tall-stacks}{{9}{34}{Limits per branch interval and for the entire stack. Source: 248 CMR 10.15, Table 4 and its notes}{table.0.9}{}}
\@writefile{toc}{\contentsline {section}{\numberline {8}Venting}{36}{section.0.8}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {8.1}General Knowledge}{36}{subsection.0.8.1}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {8.2}The 5-6-8-10 Rule}{36}{subsection.0.8.2}\protected@file@percent }
\@writefile{lof}{\contentsline {figure}{\numberline {6}{\ignorespaces Straight sloped pipe; angle and diameter exaggerated for clarity.}}{36}{figure.0.6}\protected@file@percent }
\newlabel{fig:waste-sloped-arm}{{6}{36}{Straight sloped pipe; angle and diameter exaggerated for clarity}{figure.0.6}{}}
\@writefile{lot}{\contentsline {table}{\numberline {10}{\ignorespaces Geometric comparison at a horizontal reference plane. These are not required air-space percentages or predicted operating water levels.}}{37}{table.0.10}\protected@file@percent }
\newlabel{tab:waste-geometry}{{10}{37}{Geometric comparison at a horizontal reference plane. These are not required air-space percentages or predicted operating water levels}{table.0.10}{}}
\@writefile{toc}{\contentsline {subsection}{\numberline {8.3}Fixture Vent Location}{37}{subsection.0.8.3}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {8.4}Vent Grades and Connections}{37}{subsection.0.8.4}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {8.5}Vent Stacks and Stack Vents}{38}{subsection.0.8.5}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {8.6}Wet Venting}{38}{subsection.0.8.6}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {8.7}Stack Venting}{38}{subsection.0.8.7}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {8.8}Common Vents}{38}{subsection.0.8.8}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {8.9}Circuit, Loop, and Bow Vents}{39}{subsection.0.8.9}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {8.10}Relief Vents and Stack Offsets}{39}{subsection.0.8.10}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {8.11}Vent Sizing}{40}{subsection.0.8.11}\protected@file@percent }
\@writefile{lot}{\contentsline {table}{\numberline {11}{\ignorespaces Size and lengths of vents. Source: 248 CMR 10.16.11, Table 2.}}{40}{table.0.11}\protected@file@percent }
\newlabel{tab:venting-size-length}{{11}{40}{Size and lengths of vents. Source: 248 CMR 10.16.11, Table 2}{table.0.11}{}}
\@writefile{toc}{\contentsline {subsection}{\numberline {8.12}Roof Terminals and Frost Closure}{40}{subsection.0.8.12}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {8.13}Future Vent Connections}{41}{subsection.0.8.13}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {8.14}Sumps and Indirect-Waste Vents}{41}{subsection.0.8.14}\protected@file@percent }
\@writefile{lot}{\contentsline {table}{\numberline {12}{\ignorespaces Size and lengths of sump vents. Source: 248 CMR 10.16, Table 3.}}{42}{table.0.12}\protected@file@percent }
\newlabel{tab:venting-sump}{{12}{42}{Size and lengths of sump vents. Source: 248 CMR 10.16, Table 3}{table.0.12}{}}
\@writefile{toc}{\contentsline {section}{\numberline {9}Roof Drains}{43}{section.0.9}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {9.1}General Requirements}{43}{subsection.0.9.1}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {9.2}Sizing and Capacity}{43}{subsection.0.9.2}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {9.3}Connections, Traps, and Cleanouts}{44}{subsection.0.9.3}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {9.4}Roof Flashing and Freeze Protection}{44}{subsection.0.9.4}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {9.5}Vent Terminals Through Roofs}{45}{subsection.0.9.5}\protected@file@percent }
\@writefile{toc}{\contentsline {section}{\numberline {10}Gas Pipe Sizing}{46}{section.0.10}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {10.1}Pipe Sizing Equations}{46}{subsection.0.10.1}\protected@file@percent }
\newlabel{lowpressuregas}{{2}{46}{Low Pressure Gas Formula}{equation.0.2}{}}
\newlabel{highpressuregas}{{3}{46}{High Pressure Gas Formula}{equation.0.3}{}}
\@writefile{toc}{\contentsline {subsection}{\numberline {10.2}Derivation of Formulas}{46}{subsection.0.10.2}\protected@file@percent }
\newlabel{darcywisbach}{{4}{47}{Darcy-Weisbach Equation}{equation.0.4}{}}
\@writefile{toc}{\contentsline {subsection}{\numberline {10.3}Fixture Demand}{48}{subsection.0.10.3}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {10.4}Schematics}{48}{subsection.0.10.4}\protected@file@percent }
\@writefile{lof}{\contentsline {figure}{\numberline {7}{\ignorespaces Sample gas distribution schematic. (\textit  {Rinnai Technical Bulletin 111-1/2". Gas Line Piping Information. \footnote {All Information was obtained from National Fuel Gas Code, NFPA54, ANSI Z223.1.}})}}{49}{figure.0.7}\protected@file@percent }
\newlabel{fig:rinnai-111}{{7}{49}{Sample gas distribution schematic. (\textit {Rinnai Technical Bulletin 111-1/2". Gas Line Piping Information. \protect \footnote {All Information was obtained from National Fuel Gas Code, NFPA54, ANSI Z223.1.}})}{figure.0.7}{}}
\@writefile{lof}{\contentsline {figure}{\numberline {8}{\ignorespaces Sample gas distribution schematic. (\textit  {2010 Oregon Mechanical Specialty Code. Figure C-A.7.1. Piping Plan Showing a Steel Piping System})}}{49}{figure.0.8}\protected@file@percent }
\newlabel{fig:steelpipeca71}{{8}{49}{Sample gas distribution schematic. (\textit {2010 Oregon Mechanical Specialty Code. Figure C-A.7.1. Piping Plan Showing a Steel Piping System})}{figure.0.8}{}}
\@writefile{lof}{\contentsline {figure}{\numberline {9}{\ignorespaces Sample gas distribution schematic. (\textit  {El Dorado County, CA. GAS PIPE LINE CALCULATION SIZING. Figure A})}}{50}{figure.0.9}\protected@file@percent }
\newlabel{fig:gas-pipe-eldoradoca}{{9}{50}{Sample gas distribution schematic. (\textit {El Dorado County, CA. GAS PIPE LINE CALCULATION SIZING. Figure A})}{figure.0.9}{}}
\@writefile{lof}{\contentsline {figure}{\numberline {10}{\ignorespaces Sample gas distribution schematic. (\textit  {2010 Oregon Mechanical Specialty Code. Figure C-A.7.2. Piping Plan Showing a CSST System})}}{50}{figure.0.10}\protected@file@percent }
\newlabel{fig:scsstca72}{{10}{50}{Sample gas distribution schematic. (\textit {2010 Oregon Mechanical Specialty Code. Figure C-A.7.2. Piping Plan Showing a CSST System})}{figure.0.10}{}}
\@writefile{lof}{\contentsline {figure}{\numberline {11}{\ignorespaces Sample gas distribution schematic. (\textit  {2010 Oregon Mechanical Specialty Code. Figure C-A.7.3. Piping Plan Showing a Copper Tubing System})}}{51}{figure.0.11}\protected@file@percent }
\newlabel{fig:copperca73}{{11}{51}{Sample gas distribution schematic. (\textit {2010 Oregon Mechanical Specialty Code. Figure C-A.7.3. Piping Plan Showing a Copper Tubing System})}{figure.0.11}{}}
\@writefile{toc}{\contentsline {subsection}{\numberline {10.5}Preparing a Schematic}{51}{subsection.0.10.5}\protected@file@percent }
\@writefile{lof}{\contentsline {figure}{\numberline {12}{\ignorespaces Example alpha: Sample schematic (Figure \ref {fig:steelpipeca71}) prepared for pipe sizing.}}{52}{figure.0.12}\protected@file@percent }
\newlabel{fig:steelpipeca71-prepared}{{12}{52}{Example alpha: Sample schematic (Figure \ref {fig:steelpipeca71}) prepared for pipe sizing}{figure.0.12}{}}
\@writefile{lot}{\contentsline {table}{\numberline {13}{\ignorespaces Example alpha worksheet: Representation of Figure \ref {fig:steelpipeca71-prepared}.}}{52}{table.caption.53}\protected@file@percent }
\@writefile{lof}{\contentsline {figure}{\numberline {13}{\ignorespaces Example beta: Sample schematic (Figure \ref {fig:gas-pipe-eldoradoca}) prepared for pipe sizing.}}{53}{figure.0.13}\protected@file@percent }
\newlabel{fig:gas-pipe-eldoradoca-prepared}{{13}{53}{Example beta: Sample schematic (Figure \ref {fig:gas-pipe-eldoradoca}) prepared for pipe sizing}{figure.0.13}{}}
\@writefile{lot}{\contentsline {table}{\numberline {14}{\ignorespaces Example beta worksheet: Representation of Figure \ref {fig:gas-pipe-eldoradoca-prepared}.}}{53}{table.caption.55}\protected@file@percent }
\@writefile{lof}{\contentsline {figure}{\numberline {14}{\ignorespaces Example gamma: Sample schematic perpared for pipe sizing. Adapted from \textit  {PHCC. Introduction: PSI Exams. Slide 291}.}}{54}{figure.0.14}\protected@file@percent }
\newlabel{fig:phcc-gas-pipe-sizing}{{14}{54}{Example gamma: Sample schematic perpared for pipe sizing. Adapted from \textit {PHCC. Introduction: PSI Exams. Slide 291}}{figure.0.14}{}}
\@writefile{lot}{\contentsline {table}{\numberline {15}{\ignorespaces Example gamma worksheet: Representation of Figure \ref {fig:phcc-gas-pipe-sizing}.}}{54}{table.caption.56}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {10.6}Pipe Sizing Charts}{54}{subsection.0.10.6}\protected@file@percent }
\@writefile{lof}{\contentsline {figure}{\numberline {15}{\ignorespaces Sample from \textit  {ANSI Z223.1}, Chapter 6. Table 6.2(b). Schedule 40 Metallic Pipe.}}{55}{figure.0.15}\protected@file@percent }
\newlabel{fig:ansi-table62b}{{15}{55}{Sample from \textit {ANSI Z223.1}, Chapter 6. Table 6.2(b). Schedule 40 Metallic Pipe}{figure.0.15}{}}
\@writefile{lof}{\contentsline {figure}{\numberline {16}{\ignorespaces Sample from \textit  {ANSI Z223.1}, Chapter 6. Table 6.2.1(j). Semirigid Copper Tubing.}}{56}{figure.0.16}\protected@file@percent }
\newlabel{fig:ansi-table621j}{{16}{56}{Sample from \textit {ANSI Z223.1}, Chapter 6. Table 6.2.1(j). Semirigid Copper Tubing}{figure.0.16}{}}
\@writefile{toc}{\contentsline {subsection}{\numberline {10.7}Longest Length Method}{56}{subsection.0.10.7}\protected@file@percent }
\@writefile{lof}{\contentsline {figure}{\numberline {17}{\ignorespaces Sample from \textit  {ANSI Z223.1}, Chapter 6. Table 6.2(a). Schedule 40 Metallic Pipe.}}{59}{figure.0.17}\protected@file@percent }
\newlabel{fig:ansi-table62a}{{17}{59}{Sample from \textit {ANSI Z223.1}, Chapter 6. Table 6.2(a). Schedule 40 Metallic Pipe}{figure.0.17}{}}
\@writefile{toc}{\contentsline {subsection}{\numberline {10.8}Branch Length Method}{60}{subsection.0.10.8}\protected@file@percent }
\newlabel{fig:gas-pipe-george}{{}{63}{10.17 Table 2 --- Vertical Conductors and Outside Leaders}{table.caption.74}{}}
\@writefile{toc}{\contentsline {subsection}{\numberline {10.9}Other Sizing Methods}{64}{subsection.0.10.9}\protected@file@percent }
\@writefile{lof}{\contentsline {figure}{\numberline {18}{\ignorespaces Sample gas distribution schematic. (\textit  {2010 Oregon Mechanical Specialty Code. Table C-A.3.4. Thousands of Btu/h (MBTU) of Natural Gas per 100 Feet of Pipe at Various Pressure Drops and Pipe Diameters})}}{64}{figure.0.18}\protected@file@percent }
\newlabel{fig:pressure-drop-table}{{18}{64}{Sample gas distribution schematic. (\textit {2010 Oregon Mechanical Specialty Code. Table C-A.3.4. Thousands of Btu/h (MBTU) of Natural Gas per 100 Feet of Pipe at Various Pressure Drops and Pipe Diameters})}{figure.0.18}{}}
\@writefile{toc}{\contentsline {section}{\numberline {11}Residential Water Heaters: Service and Troubleshooting}{66}{section.0.11}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {11.1}Purpose and General Service Method}{66}{subsection.0.11.1}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {11.2}Basic Heater Identification}{66}{subsection.0.11.2}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {11.3}No Hot Water}{66}{subsection.0.11.3}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Initial Checks}{66}{section*.77}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Electric Tank Heater}{66}{section*.78}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Gas Tank Heater}{66}{section*.79}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Tankless Heater}{67}{section*.80}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {11.4}Hot Water Runs Out Too Quickly}{67}{subsection.0.11.4}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Useful Checks}{67}{section*.81}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {11.5}Water Is Not Hot Enough}{67}{subsection.0.11.5}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {11.6}Water Is Too Hot}{67}{subsection.0.11.6}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {11.7}Water Around the Heater}{67}{subsection.0.11.7}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Possible Sources}{67}{section*.82}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Diagnostic Approach}{67}{section*.83}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {11.8}T\&P Relief Valve Dripping or Discharging}{67}{subsection.0.11.8}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Service Checks}{67}{section*.84}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {11.9}Thermal Expansion and Pressure Problems}{67}{subsection.0.11.9}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Expansion Tank Checks}{68}{section*.85}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {11.10}Noisy Heater}{68}{subsection.0.11.10}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Gas Tank Heater}{68}{section*.86}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Electric Tank Heater}{68}{section*.87}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {11.11}Discolored, Smelly, or Poor-Quality Hot Water}{68}{subsection.0.11.11}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {11.12}Slow Recovery}{68}{subsection.0.11.12}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {11.13}Electric Tank Heater Troubleshooting}{68}{subsection.0.11.13}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Main Components}{68}{section*.88}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Element Testing}{68}{section*.89}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Common Patterns}{68}{section*.90}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {11.14}Gas Tank Heater Troubleshooting}{68}{subsection.0.11.14}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Standing-Pilot Systems}{68}{section*.91}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Electronic-Ignition Systems}{68}{section*.92}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {11.15}Drafting, Venting, and Combustion Problems}{68}{subsection.0.11.15}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {11.16}Tankless Water Heater Troubleshooting}{69}{subsection.0.11.16}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {11.17}Heat-Pump Water Heater Troubleshooting}{69}{subsection.0.11.17}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {11.18}Indirect Water Heater Troubleshooting}{69}{subsection.0.11.18}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {11.19}Tank and Internal Component Failures}{69}{subsection.0.11.19}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Sediment}{69}{section*.93}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Dip Tube}{69}{section*.94}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Anode Rod}{69}{section*.95}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Tank Failure}{69}{section*.96}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {11.20}Repair Versus Replace}{69}{subsection.0.11.20}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {11.21}Replacement Survey}{69}{subsection.0.11.21}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {11.22}Water Heater Replacement Procedure}{69}{subsection.0.11.22}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Before Removal}{69}{section*.97}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Drain the Old Heater}{70}{section*.98}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Disconnect and Remove}{70}{section*.99}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Set and Pipe the New Heater}{70}{section*.100}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Fill the Tank and Purge Air}{70}{section*.101}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Gas Heater Startup}{71}{section*.102}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Electric Heater Startup}{71}{section*.103}\protected@file@percent }
\@writefile{toc}{\contentsline {subsubsection}{Final Checks After Replacement}{71}{section*.104}\protected@file@percent }
\@writefile{toc}{\contentsline {subsection}{\numberline {11.23}Final Service Checklist}{71}{subsection.0.11.23}\protected@file@percent }
\gdef \@abspage@last{71}