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1990, 12-19 Spokane County Health Ltr -- DEC-20—'9O 12:40 ID:HEALTH SPO TEL NO:94582243 #193 P01 Spol ane County Health District , IIIc , } 111 .. .1 11111! r .; West 1101 College Avenue Spokane, Washington 99201-2095 * ' it f I December 19, 1990 John R. Adrian E. 7708 Riverway Avenue Spokane, WA 99212 Re: Existing Septic System at E. 7708 Riverway Dear Mr. Adrian: You contacted me several days ago requesting a time to meet and discuss your objection to signing the sewer OLID waiver agreement specified under Section 1.04.110 (paragraph 7) of the District's sewage regulations. Having obtained a copy of our records showing the size and location of your existing sewage system at E. 7708 Riverway, you understood you would need to enlarge the present septic system as part of your plans for rebuilding your residence. The existing sewage system, consisting of a 750-gallon septic tank and 151 lineal feet of drainfield, was installed as a replacement system for the existing one-bedroom home. As I understand, you plan to demolish the present older residence and rebuild a three-bedroom home. The existing 150 feet of drainfield represents the minimum required for up to a three-bedroom home if the soils beneath the drainfield are medium sands. However, in a greater number of instances we find the soils to be a fine sand or loamy sand beneath the drainfield, reducing the amount of sewage that can be applied to a given square footage of soil . A typical drainfield trench in 1978 was two feet wide. This translates into your existing 150 feet of drainfield having capacity for a two-bedroom residence; however, by current policy we allow one additional bedroom to be added to an existing system which again qualifies you for up to a three-bedroom home. Administration 456-3630 Personal Health 456-3613 Ernironmentol Health 456-6040 AIDS Program 458-2580 ru_�. wK�:_ Adn Vi,.�fia.areai.. ASA_'1A711 I..NI,.,..,anm. 456.3667 AIbSNET Radion 1 459-6418 A DEC-20-'90 12:41 ID:HEALTH SPO TEL NO:94582243 #184 P01 ","'"""—""""` Page 2 Letter to Mr. Adrian December 19, 1990 We will allow you to use your existing septic system even though it will need to be modified to fit your proposed home reconstruction plans (see enclosed) . Therefore, your proposal is consistent with our current regulations and policies. The existing sewage system is adequate for a three-bedroom residence; thus, the ULID waiver agreement will not be a requirement for your proposal . if you have any further questions, please contact me at 456.6040. Sincerely, ENVIRONMENTAL HEALTH DIVISI N Ate Dennis K. Kroll , R. S. Director c: Way, Anicetti , Heeter County Planning County Department of Buildings 0037