Project Name
Project Number
UEPH Complex
Statement of Work
26 November 2001
4-15.1
Piping materials.
4-15.1.1 Steel pipe. Piping shall conform to ASTM A 53, Grade B, standard weight, black or
to ASTM A 106, Grade B, standard weight.
4-15.1.2
Copper tubing. Copper tubing shall conform to ASTM B 88, Type K or L.
4-15.1.3
Reinforced Thermosetting Resin Pipe (RTRP). RTRP pipe shall conform to ASTM D
5686.
4-15.1.4 Polyvinyl Chloride (PVC) Pipe. PVC pipe shall conform to ASTM D 2241 with a
Standard Thermoplastic Pipe Dimension Ratio (SDR) of 26 and PVC 1120 or 1220 as the
material.
4-15.2
Casing materials.
4-15.2.1 Polyvinyl Chloride (PVC) Casing. PVC casings shall conform to ASTM D 1784,
Class 12454-B with a minimum thickness equal to the greater of 1/100 the diameter of the
casing or 1.50 mm. 60 mils.
4-15.2.2 Polyethylene (PE) Casing. Polyethylene casings shall conform to ASTM D 1248,
Type III, Class C, Category 3 or 4, Grade P 34 with thickness as follows:
Casing Diameter
Minimum Thickness
(in mm)
(in mm)
250 and smaller
3
250 to 450
4
450 to 600
5
over 600
6
Casing Diameter
Minimum Thickness
(in inches)
(in mils)
10 and smaller
125
10 to 18
150
18 through 24
200
over 24
225
4-15.2.3 Reinforced Thermosetting Resin Pipe (RTRP) Casing. RTRP casing shall be of the
same material as the pipe, with casing thickness as follows:
Casing Diameter
Minimum Thickness
(in mm)
(in mm)
200 and smaller
1.2
250
2.0
300
2.7
350
2.9
400 to 450
3.0
500
3.2
600
3.9
Casing Diameter
Minimum Thickness
(in inches)
(in mils)
SOW-95
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