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Home My WebLink AboutSPH95-0061 EH Review - SPL Application - 6/16/1995 MASON COUNTY DEPARTMENT OF HEALTH SERVICES POST OFFICE,BOX 1666 SHELTON, WA 98584 (206) 427-9670 FAX 427-7798 APPLICATION FOR LAND USE EVALUATION Receipt No: Date of Payment: INSTRUCTIONS r5 ��I r I 11. An application is considered complete when the fee is paid and the following elements have been addressed: I • Parts 1 and 2 of the application form must be completed. • One properly excavated backhoe pit per proposed parcel must be ready for inspection. Properly excavated pits are 6 it deep with a 4 it deep shelf on one end of the pit. The 4 it deep shelf must slope up to the ground surface for easy ingress and egress. • A scaled plot plan must be attached to the application. The scaled plot plan must show the precise location of the test holes, dimensions of the property, and location of any existing or proposed wells, roads, or buildings within 100 it of the property boundaries. 2. After a completed application is received, staff will inspect the property and provide the applicant with a written report. I IMPORTANT: IN ORDER TO AVOID ADDITIONAL COSTS, BE SURE TEST HOLES AND PARCELS ARE ALL FLAGGED AND CLEARLY DELINEATED AS TO LOT AND TEST HOLE NUMBER. THE IDENTIFIED TEST HOLES MUST MATCH THE LOCATIONS SHOWN ON THE PROPOSED PLAT MAP. i PART 1: APPLICANT/PARCEL IDENTIFICATION Ei Large Lot Subdivision Short Plat u EI Subdivision BLA (Office Review) $100 + $101parcel $85 $400 + $20/lot a $10 NAME OF APPLICANT (1)CLA ,C �)��"�-�+ u�t -'• TELEPHONE LCO) MAILING ADDRESS CIO I23O 1 1 y S aF Zip • 'ASSESSOR'S PARCEL NUMBER `'� 2 of I- J `� S� (D — LEGAL PROPERTY DESCRIPTION PiM 4 (.?dt� 1 I { <<•G ) -T t.t-'✓1.DoN `� �i • LOT SI ZfiS((ACRE OR SQ FT) I ( '4 -) �• 04 E_ �o '�— T — DIRECTIONS FOR LOCATING SITE PART 2: INTENDED USE OF PARCEL T1 0 INTENDED USE OF PROPERTY (Check One) : > r--� lJ Single family residence Multi-family residence Other, specify: S m • WATER SOURCE FOR PARCELS (Check One) : � u CAD Individual wells Community well < CJ1 •�ppyy� H:\ON-SITE\LNDUSE.W Revi5 12/05/94l ' Land Use Evaluation PART 3: HEALTH DEPARTMENT REVIEW (OFFICIAL USE ONLY) SOIL LOGS AND SITS CHARACTERISTICS LOT a _ I LOT a _ LOT # _ i LOT a _ Test Pit A I Test Pit A Test Pit A Test Pit A 1 Try //� SorL I '1-'yla.i" ry, .l,4 Suit, I SA NDd�ahvl i S A.,A 4 Cx.-� i 3 A.w-.e 4 I I I i 1 � I I � I I Depth of root pen.: Depth of root pen.: _ I Depth of root pen.: _ I Depth of root pen.: ,_, 1 1 Depth of mottling: _ I Depth of mottling: Depth of mottling: Depth of mottling: 1 Depth to rest. layer: _ Depth to rest. layer: _ I Depth to rest. layer: _ ( Depth to rest. layer: Soil type (USDA): _ I Soil type (USDA): Soil type (USDA): Soil type (USDA): — Test Pit B Test Pit B Test Pit B I Test Pit B 1 I I 1 I I 1 I 1 � I I I 1 Depth of root pen.: Depth of root pen.: _ I Depth of root pen.: Depth of root pen.: _ Depth of mottling: _ I Depth of mottling: Depth of mottling: Depth of mottling: 1 Depth to rest. layer: _ I Depth to rest. layer: _ I Depth to rest. layer: I Depth to rest. layer: Soil type (USDA): Soil type (USDA): Soil type (USDA): I Soil type (USDA): 1 Curtain drain needed? N I Curtain drain needed? I Curtain drain needed? i Curtain drain needed? jSlope (X): d j Slope (x): �� j Slope (X): I slope (X): I I I Shoreline? (Y/N): 4U I Shoreline? (Y/N): P I Shoreline? (Y/N): I Shoreline? (YYN): i 1 1 A ,�// I I I Minimum lot a ze:A _. 1 Minimum lot size: 1 I Minimum lot size �_ Xinimun lot size•A 1 A Minimum lot size applies to new subdivisions and is defined as the minimum allowable land area per r sidence or residen- tial equivalent (450 gallons per day). '... COMMENTS '... q R:\014-S1rs\LNDUS6.w Revised 12/05/94 Land Use Evaluation PART 4: REVIEW SUMMARY (COMMUNITY DEVELOPMENT USE) MEETS HEALTH CODE fter examining lot size, proposed water source, and soil type, it s the de- termination of Mason County Department of Health Services that eac proposed parcel can support an on-site sewage disposal system meeting the re irements of state and local regulations. ,. 6=4 DOES NOT MEET HEALTH CODE Ili After examining lot size, proposed water source, and soil type, it is the de- termination of Mason County Department of Health Services that eacl proposed parcel cannot support an on-site sewage disposal system meeting the require- ments of state and local regulations. This determination is based on consideration of the following factor4s) : h� HOLD APPROVAL UNTIL FURTHER ACTIONS ARE TAKEN BY APPLICANT After examining lot size, proposed water source, and soil type, it Ls the de- termination of Mason County Department of Health Services that eaci proposed parcel cannot support an on-site sewage disposal system meeting thB require- ments of state and local regulations until the following conditinons� re met: 30 A, Condition ealth O"i s) requir to approval have been met by the applicant. l Date PART 5: REVIEWER SIGNATURE Hea Official Date N:\UN-SITE\LNDUSE.N Revised 12/05/94 v l js -polo I J U L 0 3 1995 HEALTH SERVICES L A ON-SITE SEWAGE SYSTEM DESIGNS Phone - (206) 426-5940 W 2450 Deegan Rd. W. Shelton, WA 9S534 METHOD II . Date : �___ 3 . 1995 Owner : a C . Bayley Parcels : 43 _1' 144Cc•;' sip_ , . . 51 acres (A) 'i 1-he e:Stremely gravel _:" Sci y on -ne prcper_y i.s a nx A . res i were F a'✓at _ ..�. 1a,.' _ Oi sevene wl �n ono s - g s oT_ :hazer . '.. (B) Due to the a_xtreme_•% gravel so" drainage _ esertt_y remains on the property . •rl-.� storm runs vertical and "' water generated by roofs will be collected , trey-'e= and disposed c n through dry wells . The storm water genet Led f by paves road and parking Surfaces w_-- be ccn .e p ID_' open. dltc�';es tnen treated a—C disposed .lam .hrc- ,. a retention per.d, (C) The treatment provided by the =cot:* water and on- ire sewage systems is adequate to pre�'ent any public ; e 1tr_ impact . (D) A11 setbacks from property lines and wells are me or exceeded . (E) The domestic water will be provided by a newly developed public water system meeting all County and State regulations (well referenced below) . (F) The property is generally flat that has recently been logged and cleared of most trees and brush. Attached is a copy of a geology report that was developed during the recent drilling of one well located in the northern portion of the project. (G) The annual rain fall is 60 inches a year with an average temperature of 55 degrees (F) . (H) There is no long range plans for the availability of public sewer in this area. coast-Lnued - David C. Bayley Method II Page Two (I) The present use of this land is vacant land that has been recently cleared for deveiopmner.t . The anticipated use is for multi-_a�i ';r hcusing which is consistent wi ' the present surrounding high density developments . (J) The growth patterns is from rural to suburban housing in this area . (g) There is a 1 '0% reserve area available on the site for a_^.t or addition -h_ cn-site sewage s�. stem • the regia_ em P _ , (L) The proposed short ?'_at consist of dividing 7 , 51 acres into -^_ separa_e lots t:.e =:i_owing s _zes : #1 - acres acres Lct #3 - - • 1' acres _c- #4 - G4 acres The short plat proposes 14 Duplexes on 7 . 51 acres ith. the following projected dailysewage flow: .ow: (4 bedrooms /duplex) X (14 d,plexes) = 56 bedrooms (56 bedrooms ) X (120 gallons/bedroom) = 6 , 720 gal/dzy The projected sewage flow per day per acre : (6 , 720 ga'_lons/day) / (7 . 51 acres) = 895 gal/acre Rules and Regulations of the State Board of Health , Chapter 246-272 WAC On-site Sewage Systems (effective January 1 , 1995) states in section 246-272-20501 Developments , Subdivisions , and Minimum land area requirements , Table VII - Minimum Land Area Requirement Single Family Residence or Unit Volume of Sewage that 0 . 5 acres is acceptable for the minimum land area needed to dispose one Unit Volume of Sewage (450 gallons) per day. Also it is required to only install alternative systems that meet or exceed Treatment Standard 2 due to the coarse soil type . The maximum sewage volume generated per acre allowed: (450 gal) / (0 . 5 acre) = 900 gal/acre The proposed project exceeds the minimum land area requirements for the projected unit volume of sewage . continued - David C. Bayley Method iI Page Three (M) This development ccmn'_ ies with all existing county reguiaticns . (N) An alterna:'_ve on-site sewage system utili_-ing sand _ inod trenches and oressur distribution is the proposed method Of treatment and disposal . _._'_s type alternative - -tem - produces eff_uent _r_at meets Treatmenr Standard _'wo , which is requirement accord; ng to the Mason Col;nty Department of Heait= Services ' Design and onstr-.ic-icn Standards -or Sewage Disposal - _ - - and Stat_ W: D45- C5CC_ (C` ,he roposed development mee_s and exceeds : -e Sate an Count-, '` in' mtum Land Area Requi_, ements and Cyn-size Sewage System Lesian criteria . This prcposa'_ also consis_er_t with ot::er county ' =c_ _c_ _~c on minimum iard area requirements in ex__ emely aquifer sensitive areas (Thurston --ou::ty - Gar-y Du•- a-_ 785 i § � % m C" ® � ] 0 � % . � k * Q ° - Q _ . . 2 $ � ƒ $ / � � ! , \ ® In ƒ . { m I ¢ to k , / ! 1 ! ! 1 / 1 1 1 r I i r r 1! t r If FN t t l \ t = O I O � 1 1 1 � I ^ I Cl) I � 1 ` � t �V6 L S¢cano fNFiL-.)*TAT/oV POND �\ J F/ovn elev. 44 L ft. 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