From: Gerald Fisher
Sent: Wed Feb 28 12:50:51 2018
To: Dan Huff
Subject: Thoughts for future in WWMP
Importance: Normal
Microsoft Exchange Server;converted from html;
Added to the list of Jason items at the WWTP. This is part of the “Do you get it now?” conversation. Only defense is we didn’t until just recently have the money to attack the lagoon. Will probably need to wrap this in to the cost of a plant upgrade.
Regards,
Gerald Fisher, P.E. | Public Works Director
City of Molalla
117 N Molalla Ave. | PO Box 248 |Molalla, OR 97038
Office: 503.829.6855 | Direct: 503.759.0218
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From: Andy Peters [mailto:apeters@cityofmolalla.com]
Sent: Wednesday, February 28, 2018 11:06 AM
To: 'R Quigley'
Cc: Gerald Fisher
Subject: Lagoon 1 estimated costs
Ryan, you asked for River City’s estimate. They’ve given me an informal cost breakdown (below). I worked with him on breaking it down a way the made sense to me, given I’ll need to go out for bid.
Cost per dry ton was $360.
Given…
4200 bone dry tons in the lagoon, 20,000 wet tons (which is 7’ of biosolids at an average of 5% solid)
with a profit margin of about 15%,
assuming 12 hour work days with their specific equipment,
$46,000 for mobilization
$46,000 for demobilization
$654,344 for processing
$594,820 hauling and landfilling
$157,500 for polymer
$151,457 10% contingency
So we are looking at a theoretical estimate of $1,514,573.12 to remove all the material. Interestingly, if I assume no significant biosolids have been removed in 12 years, that means an alternate universe Molalla who HAD been pumping biosolids would have spent about $126,214 annually, which is about the number I would expect a normal town our size to have to conservatively spend on biosolids handling. Don’t you think?
Thanks,
Andy Peters
City of Molalla
Public Works Operations Supervisor
(503) 829-6855 x220
Cell: 503-793-0507
117 N Molalla Ave
Molalla, OR 97038