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PW, NPW Chem

See reinforced concrete comments. Pre stressed construction allows fabrication of larger, longer pipe sections.

See reinforced concrete comments. Post tensioning strands subject to corrosion.

1. Material prices are indicated of relative price rankings for materials delievere FOB factory excluding any internal and external coating. 2. Product type codes: PW = Potable Water; NPW « Non-Potable Water; F - Fuels; Chem «= Good, but limited chemical resistance (consult NFESC for suitability of individual chemical product). 3. Generally SO psi or less in practice.

1. Material prices are indicated of relative price rankings for materials delievere FOB factory excluding any internal and external coating. 2. Product type codes: PW = Potable Water; NPW « Non-Potable Water; F - Fuels; Chem «= Good, but limited chemical resistance (consult NFESC for suitability of individual chemical product). 3. Generally SO psi or less in practice.

Table 6-3. Suitability of Pipeline Materials for Various Installation Methods

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