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Old Nursery T ank

Nursery Reuse Tanks Energy Savings-At What Cost?. Lou Ann M. Lasswell NPT Tech.II Kim Jefferson NPT Tech I Dworshak National Fish Hatchery 476 Dworshak Complex Drive Orofino, Idaho 83544 Tel.: (208) 476-2227 E-Mail louann_lasswell@fws.gov. New Nursery T ank. Old Nursery T ank.

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Old Nursery T ank

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  1. Nursery Reuse Tanks Energy Savings-At What Cost? Lou Ann M. Lasswell NPT Tech.II Kim Jefferson NPT Tech I Dworshak National Fish Hatchery 476 Dworshak Complex Drive Orofino, Idaho 83544 Tel.: (208) 476-2227 E-Mail louann_lasswell@fws.gov New Nursery Tank Old Nursery Tank Nursery Tanks: Dimensions: L20’ W3’2.5” H31” Dimensions: L33’W3’H31” • Using Reuse to Reduce Power Consumption • Pros and Cons • Conclusions PRO Easier to clean Easier to crowd fish Easier to sample count CON No water savings Twice as many rearing vessels Fish capacity limited N Old Tank New Tank Made by PR Aqua PRO Saves space Energy costs/50%reuse Saved enough energy to power 300 homes for a year Special Thanks to: Jack Christiansen Wayne Hamilton Rob Bohn Scott Keller CON Due to improper specs the following occurred; Not enough support (need 4 legs) Screens (bowed because of nonsupport) Not enough incline; Head box (hard to clean because of pump and screen in a small area)

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