Septic info and design - Laserfiche WebLink

Home Browse Search

i.�3%l�i��i 11:15 FA1 612�97Sii11 S P TESTINC� I�C ��?� �� T��i ��. St�ven B. Schirmers • MPCA Cert.Np. 627 951 Katydid l�ne NE • St_ Michael, MN 55376 - (612) 497-3566 Fwc �s�za 4a�-sa�i State License#394 Revised Mar�h 18, 1997 Octaber 28, 1996 Geor e Adams 50� Bi Island ��RQb 5 Big lsl�nd - a im igger � _ arono, Henn. Co., MN A site ev�luation was completed qn these� properties for the existing on-site sewage treatment systems suppor#ing the existing cabins. The existing systems are classified as failing due to not meeting ti�e 3' separation from the saturated soil (mottled soil) or iack of syst�m. The existing tanks are old, either metal or block type and will need to be abandoned, pumped and filled with soil. A new system wi{I need to be installed. This an-site sewage Veatmer�t Cluster �ystem is designed for a Type 3, 3 bedroom 218 gal/day each cabin tataling 654 gal/day, in accordanGe, with the Minnesota Poliution Contral Agency Chapter 7080 an� local ordinances. An easement agreement will be required by the c�ty. The �greement will require a maintenance schedule for m�intaitting the tariks, and sh��ed electrical Costs, etc. A water meter wili need to be installed in e��h cabin #a monitor tf�e d�ily w�ter use and to be recorded with the property. The system wiEl be �' irom the property line and up to the road easemer�t, this will need �pproval from the City. A�pr'oval will also b� nseded for � tank ta be 5' from the Robb cabin to stay out of a tow afea. The soiis on this site are SCS soils map�ed - HbC - Hayden loam. The se�sanally saturated sails were located at 5'10". The bottom of the treatment area must be located at least 3' above the seasona{ly saturafed soils. A standard gravelless 10" diameter trench system may be installed. The soils �t a depth of 30" have a percalation rate averaging 10.4 mpi_ 1