TITLE 4. THE PHILADELPHIA BUILDING CONSTRUCTION AND OCCUPANCY CODE

SUBCODE "M" (THE PHILADELPHIA MECHANICAL CODE)


APPENDIX B (Delete text - substitute as follows)


Table B-1
PIPE EXPANSION

Material
Coefficient of linear expansion
Expansion per 100 feet-100 degrees F (inches)
Cast iron
0.00000595
0.714
Steel
0.0000065
0.780
Copper
0.0000095
1.140
ABS
0.0000560
6.720
PVC Type I
0.0000280
3.360
PVC Type II
0.0000555
6.600
Polyethylene
0.0001000
12.000
Polybutylene
0.0000710
8.520



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