Questar Gas - Good Practices for Gas Piping and Appliance ...

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SECTION VIII - PROCEDURES TO BE FOLLOWED TO PLACE AN APPLIANCE IN OPERATION Paragraph Page No. 1. Procedure ..........................................................................84 2. Burners to be Adjusted .....................................................84 3. Appliance Rating ..............................................................84 4. Clocking Burner Input ......................................................85 5. Adjusting Burner Input ....................................................91 6. Primary Air Adjustment .....................................................91 7. Automatic Pilots ...............................................................91 8. Protective Devices ............................................................91 9. Checking the Draft ............................................................91 10. Instructions to the Customer ............................................91 11. Operation/Installation Instructions ..................................91 SECTION IX - MANUFACTURED HOME (MOBILE HOME), MODULAR HOME, AND PARK TRAILER Paragraph Page No. 1. Manufactured Home ....................................................... 110 2. Modular Homes .............................................................. 110 3. Recreation Vehicle ......................................................... 112 4. Gas Piping ...................................................................... 112 5. Venting ............................................................................ 115 6. Appliance Installation .................................................... 115 7. Conversion of Appliances Located in Mobile Homes ................................................................ 116 Formulas to know................................................................... 117 INDEX ............................................................................. 119-127 5
TABLES AND FIGURES Table Page No. I Commercial Meter Spread ...............................................28 II Piping Support................................................................32 III Meter Dial Test Times ....................................................35 IV Maximum Capacity of Pipe in CFH (4 oz.) .......................41 V Maximum Capacity of Pipe in CFH (2 lb.) .......................42 VI Corregated Stainless Steel Tubing (CSST) .....................43 VII Duct Sizes Round ...........................................................61 VIII Vent Sizes .......................................................................70 IX Vent Termination.............................................................73 Vent Tables .....................................................................76 X Standard Deration Factors......................................... 87-90 XI Pressure Factor Multiplier ..............................................93 XII Conversion of Inches of Water Column to Ounces of Gas Pressure .................................................94 XIII Clocking Meter - Gas Input to Appliance in Cubic Feet Per Hour (4 ounce)................................... 95-97 XIV Clocking Meter - Gas Input to Appliance in Cubic Feet Per Hour (2 pound) ................................ 99-100 XV Orifice Capacities ................................................... 101-109 Figure Page No. 1. Meter Set ................................................................................... 27 2. Multiple Meter Set .................................................................... 28 3. CSST Bonding ........................................................................... 37 4. Sizing a House Piping System ................................................... 39 5. Volume of Space ......................................................................... 57 6. Air Supply from Inside Building ............................................... 59 7. Air Supply from Crawl Space ................................................... 61 8. Air Supply from Attic ............................................................... 62 9. Air Supply - One Opening ........................................................ 63 10. Air Supply Horizontally ........................................................... 64 11. Vent Terminations ...................................................................... 74 12. Automatic Valve ....................................................................... 80 13. Combination LP-Gas and Natural Gas System ....................... 111 14. LP-Gas System ........................................................................ 111 15. Manufactured Homes .............................................................. 104 6
Page 1 and 2: Questar Gas Company Good Practices
Page 3 and 4: 59060 05/24/11
Page 5 and 6: SECTION I - GENERAL CONTENTS Paragr
Page 7: SECTION VI - VENTING Paragraph Page
Page 11 and 12: GENERAL SAFETY PRECAUTIONS Before l
Page 13 and 14: AUTOMATIC PILOT - Consists of an au
Page 15 and 16: gas vents, chimneys, steam and hot
Page 17 and 18: EXCESS AIR - Air which passes throu
Page 19 and 20: HAZARDOUS LOCATION - Any location c
Page 21 and 22: MP - Medium pressure - 1.5 psi - 60
Page 23 and 24: 4) Division 3. Mental hospitals, me
Page 25 and 26: SECONDARY AIR - The air externally
Page 27 and 28: c. Type “C” Gas Vents: Unlisted
Page 29 and 30: SECTION III GAS PIPING INSTALLATION
Page 31 and 32: MULTIPLE METER SET FIGURE 2 For com
Page 33 and 34: connects underground to plastic pip
Page 35 and 36: 1/2" 6 feet 3/4" or 1" 8 feet 1 1/4
Page 37 and 38: Gas outlets for a barbecue shall ha
Page 39 and 40: After meter spot test determines th
Page 41 and 42: 17. REQUIRED GAS PIPING SIZE: When
Page 43 and 44: (2) The length of pipe from the gas
Page 45 and 46: MAXIMUM CAPACITY OF PIPE IN CUBIC F
Page 47 and 48: CORREGATED STAINLESS STEEL TUBING (
Page 49 and 50: SECTION IV APPLIANCE INSTALLATION 1
Page 51 and 52: (b) Appliances located in garages a
Page 53 and 54: 12 inches at the bottom and 6 inche
Page 55 and 56: temperature of the potable distribu
Page 57 and 58: SECTION V COMBUSTION AND VENTILATIO
Page 59 and 60:
(j) When combustion air is taken fr
Page 61 and 62:
The air supply for gas appliances m
Page 63 and 64:
the enclosure. The openings shall c
Page 65 and 66:
EQUIPMENT LOCATED IN CONFINED SPACE
Page 67 and 68:
EQUIPMENT LOCATED IN CONFINED SPACE
Page 69 and 70:
Galvanized steel vent or aluminized
Page 71 and 72:
facilitate removal of the connector
Page 73 and 74:
Two or more connectors shall not en
Page 75 and 76:
11. GAS VENT TERMINATION: Vents sha
Page 77 and 78:
not less than 9 inches from any ope
Page 79 and 80:
76 TABLE 1 DOUBLE WALL COMMON VENT
Page 81 and 82:
TABLE 3 Category 1 Vent Tables DOUB
Page 83 and 84:
SECTION VII CONTROLS AND REGULATORS
Page 85 and 86:
5. VENTING FOR DIAPHRAGM TYPE VALVE
Page 87 and 88:
SECTION VIII PROCEDURES TO BE FOLLO
Page 89 and 90:
smaller test dials (1/4 and 1/2) al
Page 91 and 92:
CENTER STANDARD DERATION FACTORS DE
Page 93 and 94:
CENTER STANDARD DERATION FACTORS DE
Page 95 and 96:
8. PROTECTIVE DEVICES: All protecti
Page 97 and 98:
CONVERSION OF INCHES OF WATER COLUM
Page 99 and 100:
SECONDS FOR ONE REVOLUTION AT FOUR
Page 101 and 102:
Page 103 and 104:
Page 105 and 106:
ORIFICE CAPACITIES ................
Page 107 and 108:
Page 109 and 110:
Page 111 and 112:
Page 113 and 114:
SECTION IX MANUFACTURED HOME (MOBIL
Page 115 and 116:
3. RECREATION VEHICLE: A vehicular
Page 117 and 118:
CROSSOVER for a MANUFACTURED HOME E
Page 119 and 120:
(2) The installation of appliances
Page 121 and 122:
Combustion Air for Industrial: BTUs
Page 123 and 124:
INDEX Page ( ) REPRESENTS THE DEFIN
Page 125 and 126:
Page 127 and 128:
Page 129 and 130:
Page 131 and 132:
128
Page 133 and 134:
130
Page 135 and 136:
132
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