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

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14. METER SPOT TEST: Where no changes are made in the house<br />

piping the following procedures may be used:<br />

Connect all appliances to gas piping system.<br />

Turn each appliance shut-off valve to the on position <strong>and</strong> turn<br />

appliance control valve to the off position. (If an appliance is<br />

equipped with an ‘A’ valve <strong>and</strong> a pilot ‘B’ valve, shut both off<br />

<strong>and</strong> spot test meter to this point.)<br />

Be<strong>for</strong>e meter spot test, cap or plug unused outlets.<br />

When all connections are completed, slowly release gas into<br />

piping, all appliances to remain off.<br />

Observe if meter test dial has stopped. If movement on test dial<br />

continues, shut off all gas at the meter service line valve <strong>and</strong><br />

find where consumption is going. If test dial stops, apply meter<br />

spot test <strong>for</strong> leakage. Watch the test dial of the meter to see if<br />

gas is passing through the meter. Begin test with the test h<strong>and</strong><br />

on the upstroke. Test times <strong>for</strong> various meter dials are indicated<br />

on Table III.<br />

Dial Styles Cubic Test Time/Minutes<br />

Feet<br />

Manometer Test 5<br />

1/4 5<br />

1/2 5<br />

1 7<br />

2 10<br />

5 20<br />

10 30<br />

TABLE III<br />

35

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