MRWA-W-212

1 2 3 4 5 6 7 8 9 10 11 12. OPTIONS: . 1. For deflections past higher risk structures such as barrel drains, waterways, major roads and rail lines, welded L OFFSET = PIPE / JOINT TYPE. mains are required. Refer to MRWA-W-210 and MRWA-W-211 for details.. A A. 2. Cold bending of PVC mains is not permitted. TYPICAL TYPICAL TYPICAL PVC COMMENTS. 3. Optimise risk and construction cost by: TABLE 212-C: DEFLECTIONS RETIC PVC RETIC DI PIPE + DOUBLE. Minimizing the number of joints. Full length pipes preferred to cut pipes which if necessary should be of FIGURE 212-A: 1 PIPE DEFLECTION OFFSET SOC. PIPE PIPE. maximum possible length. CONNECTOR 6. For multiple cut pipe situations, the minimum cut pipe length is 21 normal pipe length. Minimiising the amount of excavation required. Vertical deflections over longer distances will require TYPICAL FULL LENGTH FOR L (m) 6 6 (PVC).

figure 212-a: 1 pipe deflection offset Θ Θ offset = l.sin Θ offset = 2l.sin Θ figure 212-b: 2 pipe deflection offset figure 212-c: 3 pipe deflection offset or curved main

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  Warm, Mrwa w 212

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