(A) Pipe used above ground in gas installations shall be of the best quality steel, free from splits
or other defects. Pipe underground must be galvanized steel, black steel, copper or approved plastic.
(B) No secondhand pipe shall be used.
(C) No gas pipe smaller than one inch will be permitted to be used in piping gas from all gas mains to the first opening on the premises of the user.
(D) All stop cocks used in connection with gas house piping shall be of a standard grade with safety
shut-off handle.
(E) Three-way valves are not permitted in any case.
(F) Unions or running threads shall not be used on concealed gas piping, either in original installation or repairs.
(G) In case of repairs requiring a pipe to be cut, it shall be reconnected with right and left thread coupling.
(H) The use of cement for repairing split or faulty pipe or fittings is not permitted.
(I) Rules governing size and length of pipe and greatest number of openings allowed in piping buildings for gas appliances:
For House on One Room or Not to Exceed 8 | ||
No. Openings | Length Pipe Feet | Size in Inches |
For House on One Room or Not to Exceed 8 | ||
No. Openings | Length Pipe Feet | Size in Inches |
1 | 10 | 1/2 |
1 | 30 | 3/4 |
1 | 100 | 1 |
1 | 350 | 1-1/4 |
2 | 20 | 3/4 |
2 | 60 | 1 |
2 | 160 | 1-1/4 |
3 | 40 | 1 |
3 | 120 | 1-1/4 |
4 | 20 | 1 |
4 | 90 | 1-1/4 |
5 | 70 | 1-1/4 |
4 | 125 | 1-1/4 |
6 | 30 | 1-1/2 |
7 | 30 | 1-1/2 |
8 | 15 | 1-1/4 |
8 | 50 | 1-1/2 |
9 | 40 | 1-1/4 |
10 | 30 | 1-1/2 |
(J) Rules governing the size of main run or piping in houses and flats:
(1) Houses and flats containing seven rooms and under, the main run to the kitchen for fuel must be not less than one inch in diameter from first main branch;
(2) Houses and flats having more than seven rooms, the minimum size of the main run to the kitchens for fuel must be one and one-fourth inch to first main branch; and
(3) For large buildings or where unusual conditions are met with consult the City Plumbing Inspector.
(Ord. 183, passed 9-9-1957)