Another project update: New Myrtle Reservoir waterproofing

August 28, 2009 11:17 am
|    Comments Off on Another project update: New Myrtle Reservoir waterproofing
 |   Utilities | West Seattle news

A month and a half after our reports (1st article here, followups here and here) on the $4 million problem with leaky waterproofing material atop the new covers at Myrtle and Beacon Hill Reservoirs, its replacement is in place, according to Seattle Public Utilities. We checked in after Chas Redmond sent the photo you see above, showing the hot-asphalt material that is being used instead of the material that turned out to have hundreds of leaks (with a long process ahead to determine the cause, who’s to blame, and who ultimately picks up the bill). SPU’s Elaine Yeung tells WSB, “The application of the new waterproofing system is complete at Myrtle. The next steps will be the acceptance testing. Then beginning the week of September 8th, the contractor plans to start installing the drain rock and soil. Hydro-seeding to establish grass is planned to occur later in September.” The now-underground reservoir has remained in service throughout this process, according to SPU, which also has stressed that the leaks in the original waterproofing material did not pose any health risk. Once the reservoir work is finally complete, the site will be turned over to the Parks Department for development of a new park site (more info on that here; public design meetings wrapped up last year).

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