CONTENTS
Chapter 1 - Adminstration 1
101.0 Title, Purpose and Scope . 1
101.1 Title 1
101.2 Purpose ...........................1
101.3 Plans Required .................... .1
101.4 Scope .............................1
101.5 Application to Existing Swimming
Pool, Spa System .................. .1
102.0 Organization and Enforcement .......2
102.1 Authority Having Jurisdiction ....... .2
102.2 Duties and Powers of the
Authority Having Jurisdiction ........2
103.0 Permits and Inspections .............3
103.1 Permits ............................3
103.2 Application for Permit .............. .3
103.3 Permit Issuance .................... .4
103.4 Inspections ........................ .5
103.5 Connection Approval ...............6
103.6 Validity ............................7
Chapter 2 - Definitions .......................9
201.0 General ............................9
202.0 Definition of Terms ................ .9
Chapter 3 - General Requirements ...........17
301.0 General........................... 17
301.1 Swimming Pool, Spa and Hot Tub .. .17
301.3 Sizing for Velocity ................ .'17
302.0 Materials - Standards and Alternates .17
302.1 Minimum Standards ...............17
302.2 Alternate Materials and Methods
Equivalency ...................... .18
303.0 Turnover Time .................... .18
304.0 Pumps ...........................18
305.0 Valves ......................... ...19
306.0 Water Supply Inlets and Connections .19
307.0 Filters ........................... .19
307.1 Rapid Sand Filters ................ .19
307.2 High-Rate Sand Filters .............19
307.3 Diatomite Type Filters ..............19
307.4 Cartridge Filters .................. .19
308.0 Gas Chlorinators .................. .19
308.10 Liquid Chlorine Dosing Pump, ........
Metering Pump ................... .20
309.0 Pool, Spa and Hot Tub Fittings ......20
309.2 Surface Skimmers ..................20
Perimeter Overflow Systems ........21
Pool, Spa and Hot Tub Outlets .......21
Hydrostatic Relief ................. ,21
Additional Requirements ...........21
Materials .........................22
PEX ............................. .22
Flexible Corrugated Connectors .... .23
PEX-AL-PEX and PE-AL-PE .........23
Mechanical Joints ..................23
Materials .........................^
Workmanship and Installation Practices ..........................23
Screwed Fittings ...................1";
Joints and Connections .............3'
Types of Joints .................... .-."•
Use of Joints ..................... .,.'"-
Special Joints ..................... 2;
Wastewater Disposal ...............Z
Separation Tank ...................26
Deck Drain Piping Materials ........26
Equipment Foundations ; and Enclosures ....................26
Accessibility and Clearances ........2b
Electrical Systems ..................26
Prohibited Fittings and Practices .... 3
Increasers and Reducers ............26
Protection of Piping, Materials
and Structures .....................27
Protectively Coated Pipe ............27
Waterproofing of Openings .........27
Sleeves ...........................27
Ratproofing .......................27 =
Trenching, Excavation
and Backfill .......................27]
Tests and Test Gauges ..............
Final Inspection ..................
- Water Heaters and Vents ........
General ...........................2Q
Definitions ....................... ..>>
Permits ...........................21'
Inspections ........................29
Inspection of Chimneys or Vents .... ,2'i
Final Water Heater Inspection ...... 2'i
Water Heater Requirements .........30
Clearance .........................30
Pressure-Limiting Devices ......... ,30 ill
UNIFORM SWIMMING POOL, SPA AND HOT TUB CODE
Temperature-Limiting Devices .......30
Temperature, Pressure and Vacuum Relief Devices .....................30
Gas-Fired Swimming Pool Heater Approval Requirements 30
Oil-Burning and Other Swimming Pool, Spa and Hot Tub Heaters ......30
Installation Requirements for
Water Heaters 30
Unions .31
Air for Combustion and Ventilation . .31 General 31
Indoor Combustion Air .............31
Indoor Opening Size and Location .. .32
Outdoor Combustion Air ...........32
Combination Indoor and Outdoor
Combustion Air ...................32
Engineered Installations ............32
Mechanical Combustion Air Supply . .33
Louvers, Grilles and Screens ....... .33
Combustion Air Ducts ............. .33
Other Water Heater Installation Requirements 33
Relief Valve Discharge ..............34
Added or Converted Appliances .... .34
Types of Gases ................... .34
Flammable Vapors ................ .34
Installation in Residential Garages .. .34
Installation in Parking Structures ... .34
Gas Appliance Physical Protection .. .34
Venting of Flue Gases ............. .34
Extra Device or Attachment .........34
Adequate Capacity of Piping ........34
Avoiding Strain on Gas Piping ..... .35
Gas Appliance Pressure Regulators . .35
Venting of Gas Appliance Pressure Regulators 35
Bleed Lines for Diaphragm-Type Valves 35
Combination of Appliances .........35
Installation Instructions .............35
Protection of Outdoor Appliances ... .36
Accessibility and Clearance ........ .36
Appliances on Roofs ...............36
General ...........................36
Installation of Appliances on Roofs . . .36
411.3 Access to Appliances on Roofs .......36
411.4 Appliances in Attics ................37
412.0 Venting of Appliances ............. .37
412.1 General .......................... .37
412.2 Specification for Venting ............37
412.3 Design and Construction .......... .37
412.4 Type of Venting System to Be Used .. .38
412.5 Masonry, Metal and Factory-Built
Chimneys ........................ .38
Table 4-1 Type of Venting System to Be Used .. .38
412.6 Gas Vents ........................ .40
412.7 Single-Wall Metal Pipe .............41
412.8 Through-the-Wal! Vent Termination . .43
412.9 Condensation Drain ................44
412.10 Vent Connectors for Category I
Gas Utilization Appliances ..........44
Table 4-2 Clearance for Connectors ...........46
Table 4-3 Reduction of Clearances with
Specified Forms of Protection .......47
Table 4-4 Minimum Thickness for Galvanized Steel Vent
Connector for Low-Heat Appliances ........................48
412.11 Vent Connectors for Category II, Category III and Category TV Gas Utilization Appliances ..............49
412.12 Draft Hoods and Draft Controls .... .49
Table 4-5 Minimum Thickness for Steel Vent Connectors for Medium-Heat Appliances and Commercial and Industrial Incinerators ..........49
412.13 Manually Operated Dampers ....... .50
412.14 Automatically Operated Vent
Dampers ......................... .50
412.15 Obstructions ......................50
413.0 Si/ing of Category I Venting Systems .50
413.1 Obstructions and Vent Dampers .... .50
413.2 Additional Requirements to
Multiple Appliance Vent Table
4-13 Through Table 4-21 ............52
414.0 Direct Vent Appliances ............ .54
Table 4-6 Vent Connector Maximum Length .. .55 Table 4-7 Type B Double-Wall Gas Vent .......58
Table 4-8 Type B Double-Wall Gas Vent .......61
Table 4-9 Masonry Chimney ................63
Table 4-10 Masonry Chimney ................65
Table 4-11 Single-Wall Metal Pipe or
Type B Asbestos Cement Vent ......67
Table 4-12 Exterior Masonry Chimney .........68
' Table 4-13 Type B Double-Wall Vent ...........69
Table 4-14 Type B Double-Wall Vent ...........73
Table 4-15 Masonry Chimney ............... .75
Table 4-16 Masonry Chimney ................77
Table 4-17 Single-Wall Metal Pipe or Type B
Asbestos Cement Vent ............ .79
Table 4-18 Exterior Masonry Chimney ........ .79
Table 4-19 Exterior Masonry Chimney ........ .80
Table 4-20 Exterior Masonry Chimney ........ .81
Table 4-21 Exterior Masonry Chimney ........ .82
Part II Sizing of Venting Systems
Serving Appliances Equipped with Draft Hoods, Category I Appliances, and Appliances Listed for Use with Type B Vents. .83
G.I Examples Using Single
Appliance Venting Tables ..........84
Table G 1.0 Masonry Chimney Liner Dimensions
with Circular Equivalents .............86
Table G 2.0 Standard Method Volume,
All Appliances ...................86
Chapter 5 - Fuel Gas Piping ..................87
501.0 General .......................... .87
502.0 Definitions ....................... .87
502.1 Appliance Fuel Connector ......... .87
502.2 Approved ........................ .87
502.3 Bonding Jumper ...................87
502.4 Fuel Gas ..........................87
502.5 Gas Piping ........................87
502.6 Gas-Piping System .................87
502.7 Gas Utility ........................87
502.8 Grounding Electrode .............. .87
502.9 Liquified Petroleum Gas (LPG)
Facilities ..........................87
502.10 Provision for Location of Point of
Delivery ..........................87
502.11 Quick-Disconnect Device ...........87
502.12 Service Piping .................... .87
502.13 • Transition Gas Riser ............... .87
503.0 Plans Required ....................87
504.0 Workmanship and Defects ..........88
504.3 Protective Coating .................88
505.0 Inspections ........................88
506.0 Certificate of Inspection ............88
507.0 Authority to Render Gas Service .... .88
508.0 Authority to Disconnect ............88
509.0 Temporary Use of Gas ..............89
510.0 Gas-Piping System Design,
Materials and Components ......... .89
510.1 Piping Plan .......................89
510.2 Provision for Location of Point of
Delivery ..........................89
510.3 Interconnections Between
Gas-Piping Systems ................89
510.4 Sizing of Gas-Piping Systems ........89
510.5 Acceptable Piping Materials and
Joining Methods ...................90
Table 5-1 Specifications for Threading Metallic
Pipe 91
510.6 Gas Meters ...'.'. ..'.'.. ............. .93
510.7 Gas Pressure Regulators ........... .93
510.8 Shutoff Valves ......'. J. j............94
510.9 Excess Flow Valve .................94
510.10 Expansion and Flexibility ...........94
511.0 Gas Piping Installation .............94
511.1 Piping Underground ...............94
511.2 Installation of Piping ...............95
Table 5-2 Support of Piping ..................96
511.3 Concealed Piping in Buildings .......96
511.4 Piping in Vertical Chases ............97
511.5 Appliance Over Pressure Protection . .97
511.6 Gas Pipe Turns ..... I.. L...........97
511.7 Drips and Sediment Traps ......... .97
511.8 Outlets ....................:.......98
511.9 Branch Pipe Connection ............98
511.10 Manual Gas Shutoff Valves ..........98
511.11 Prohibited Devices ................ .98
511.12 Electrical Bonding and Grounding . . .98
511.13 Electrical Circuits ,..,,.'........... .98
511.14 Electrical Connections ..............99
512.0 Appliance Connections to
Building Piping ....................99
512.1 Connecting Gas Appliances .........99
512.2 Appliance Shutoff Valves and
Connections ...................... .99
512.3 Quick-Disconnect Devices ..........99
512.4 Sediment Trap ...., .i.;.:........... .99
512.5 Installation of Piping ...............99
513.0 Liquefied Petroleum Gas
Facilities and Piping ................99
UNIFORM SWIMMING POOL, SPA AND HOT TUB CODE
Pressure Testing and Inspection ..... .99
General .......................... .99
Test Preparation ................. .100
Test Pressure .................... .100
Detection of Leaks and Defects .... .100
Piping System and Leak Check .... .101
Purging.......................... 101
Length of Piping Requiring Purging with Inert Gas for Servicing Modification .................... .101
Length of Piping Requiring Purging with Inert Gas Before Placing in Operation ....................... .101
Required Gas Supply ............. .101
Required Gas Piping Size ......... .102
Pipe Sizing Methods ............. .102
Schedule 40 Metallic Pipe ........ .104
Schedule 40 Metallic Pipe ........ .105
Schedule 40 Metallic Pipe ........ .106
h Schedule 40 Metallic Pipe ........ .107
Semi-Rigid Copper Tubing ....... ,108
Scmi-Rigid Copper Tubing ....... .109
Semi-Rigid Copper. Tubing ....... .110
12 Semi-Rigid Copper Tubing ....... .111
13 Semi-Rigid Copper Tubing ....... .112
14 Semi-Rigid Copper Tubing ....... .113
15 Semi-Rigid Copper Tubing ....... .114
16 Corrugated Stainless Steel
Tubing (CSST) .................. .115
-17 Corrugated Stainless Steel
Tubing (CSST) .................. .116
-18 Corrugated Stainless Steel
Tubing (CSST) .................. .117
49 Corrugated Stainless Steel
Tubing (CSST) .................. .118
-20 Corrugated Stainless Steel
Tubing (CSST) ...................119
H-21 Polyethylene Plastic Pipe ......... .120
i-22 Polyethylene Plastic Pipe ......... .121
>-23 Polyethylene Plastic Pipe ......... .122
j-24 Polyethylene Plastic Tubing ........ .123
>25 Polyethylene Plastic Tubing ........ .123
5-26 Schedule 40 Metallic Pipe ........ .124
5-27 Schedule 40 Metallic Pipe ........ .125
5-28 Schedule 40 Metallic Pipe ........ .126
5-29 Schedule 40 Metallic Pipe .........127
Table 5-30 Semi-Rigid Copper Tubing ........128
Table 5-31 Semi-Rigid Copper Tubing ........129
Table 5-32 Semi-Rigid Copper Tubing ........130
Table 5-33 Corrugated Stainless Steel
Tubing (CSST) ............... ....131
Table 5-34 Corrugated Stainless Steel
Tubing (CSST) ...................132
Table 5-35 Corrugated Stainless Steel
Tubing (CSST) ...................133
Table 5-36 Polyethylene Plastic Pipe ......... .134
Table 5-37 Polyethylene Plastic Pipe ..........135
Table 5-38 Polyethylene Plastic Tubing .......136
Chapter 6 - Referenced Standards ........137
Table 6-1 ................................ .137
Appendix A Conversion Table ............147
Appendix B Metric System ................149
Index ............................... 151