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22 Cards in this Set
- Front
- Back
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Cast Iron, Fibreglass, Glass, Lead & Historic Piping 060101l by JCW |
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What are 3 methods of joining cast iron pipe are approved by code? |
1. Caulked oakum & lead / PC4 2. Mechanical joint 3. Compression joint |
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List the 5 purposes of the yarn/oakum in a cast iron caulked joint |
1. Center the pipe 2. Seals the joint 3. Holds the lead 4. Gives the joint flexibility 5. Retains the lead |
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What is the formula to calculate how much lead (by weight) must be packed into a specific pipe size |
Lead by weight = NPS x 3/4 |
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When installing bell & spigot cast iron soil pipe, which direction does the sewage flow? |
Out of the spigot, into the hub |
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What is the melting point of lead |
327C / 620F |
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What tool is essential when pouring a horizontal caulked joint |
Running rope |
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What is the formula for the weight of oakum |
10% of the weight of lead |
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What depth does the code specify the lead in a caulked cast iron joint be? |
1" |
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Before you dip a ladle into molten lead, the ladle should be.... (2 things) |
Pre-warmed & dry |
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What are the two trade names for grey cast iron? |
Duriron or Corrosiron |
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What is the trade name for glass pipe? |
Kimax |
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What's the operating pressure for the following glass pipe size: 1/2" to 1" |
1/2" to 1" - 100psi |
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What are the 3 common ways of joining fibreglass pipe? |
Butt & Strap Bell & Spigot Flanged 93C / 200F for continuous use |
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Typical flashing is 5 pound lead, so how thick is the flashing? |
It is 1/64" thick per pound lead, so flashing is 5/64" thick |
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What material is the fittings for aluminium pipe made out of? |
Cast Iron |
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What are the 4 possible trade names for non-metallic pipe with asbestos fibres |
Transite Eternite Roxite Century |
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What is the minimum dimension of flashing allowing in Alberta? |
20" by 20" |
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Where a lead closet stub is used, the length of the stub below shall be at least... |
3" |
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What is the weight of cast iron approved for use in Alberta? |
18 KN |
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What 2 materials may be used into of lead for caulking cast iron joints |
PC4 Shredded lead |
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What is the relative density of lead? |
11.3 |
