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| Analysis based on typical manhole of average depth with infiltration and deterioration problems. While Poly-Triplex Liners are suitable for both horizontal and vertical structures in sewer and stormwater collection systems, Some of these rehab methods are not suitable for horizontal lining of concrete and corrugated metal culvert pipe. | ||||||
| Poly-Triplex | Spray-on Epoxy | Cementitious | Urethane Coating | Liners w/o Membrane | PVC Liner w/ Concrete | |
|---|---|---|---|---|---|---|
| Product Life Expectancy (Years) | 50 | 3 | 2 | 5 | 5 | 10 |
| 10-Year Waranty? | Yes | No | No | No | No | No |
| Effective in Freeze/thaw Conditions? | Yes | No | No | Yes | Yes | Yes |
| Chemical Resistance | Excellent | Good | Fair | Good | Good | Good |
| Structural Enhancement | Excellent | Poor | Good | Good | fair | Excellent |
| Ability to Pass Vacuum Test | Excellent | Poor | Poor | Poor | Fair | Good |
| Poduct Materials Cost | $3,500 | $1,200 | $750 | $3,000 | $3,300 | $4,900 |
| Installation Cost* | $550 | $1,480 | $900 | $630 | $825 | $1,975 |
| Total Cost Per Year of Life** | $81 | 893$ | $825 | $726 | $825 | $688 | *Assumes a certin number of manhours at prevailing wages. **Product cost plus installation cost divided by product life. |
All information provided by Poly-Triplex® Technologies.
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