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HomeMy WebLinkAbout2009-00031 - septic 4 CITY OF ORONO PERMIT NO.: 2009-0003� � 2750 KELLEY PARKWAY ORONO, MN 55356- DATE IssUEn: OU30/2009 �� (952) 249-4600 FAX: (952) 249-4616 �►DDRESS : 350 BIG ISLAND PIN : 23-117-23-32-0039 LEGAL DESC : MORSE ISLAND PARK 2ND ADDN : LOT 003 BLOCK 000 PERMIT TYPE : SEPTIC PROPERTY TYPE : RESIDENTIAL CONSTRUCTION TYPE : NEW ACTTVITY : MOUND SYSTEM-SEPTIC NOTE: FOR SEASONAL USE ONLY �� �� � ��� � r� � �� ..� APPLICANT SEPTIC NEW 100.00 SONS EXCAVATING& SEPTIC STATE SURCHARGE SEPTIC 0.50 30423 STATE HIGHWAY 25 (952)873-4647 TOTAL 100.50 Minnesota State License#: L2606 OWNER MCCLELLAN, VINCENT 350 BIG ISLAND EXCELSIOR, MN 55331 AGREEMENT AND SWORN STATEMENT The work for which this permit is issued shall bc perfonncd accordinb to the approved plans and specifications,applicable City approvals,and the State Building Code. This permit is for only thc work described and does not grant permission for additional or related work which requires separate permits. All provisions of laws and ordinances governing this type of work shall be compied with whether or not speciticd herein.This permit will expire and become null and void if construction authorized is not commenced within 180 days of the date of issuance,or if construction is suspended for a period of I 80 days at any time after work has commeneed. The applicant is responsible for assuring all required inspections are requested in conformance with the State E3uilding Code.7'his permit may be revok d at any time for due cause. � — ��1 — � � � d �" �� � ��`� / / Applicant Perm ee Signature Date Issued By Signature Date SEPARATE PERMITS REQUIRED FOR WORK OTHER THAN DESCRIBED ABOVE. ,¢p�, City of Orono FOR cinusE oN�Y 0,e � P.O. Box 66 �� 2750 Kelley Parkway Date Received: �:�B'��permit#z�g'O� / a �t ���``'. � Crystal Bay, MN 55323 �'����,.,.f l ���04$0'` (952)249-4600 Amount: $ l B� 3-� CITY OF ORONO — SEPTIC SYSTEM PERMIT APPLICATION (All permits must be approved by the On-Site Septic Manager and/or Building Official) � Job Site / Owner Information: :�w���� Site Address: �' '�(� �; (r 'f"S ( (�.�. C� Owner: ���. � ��'�`T /1/t/�� j �A/l� Mailing Address: ��,7 � �j�� �-i��M- � i�'� c�ty: �� � v�c� z�p: ��'� 3� `� Home Phone: �- �� -L� � � m I 7 G C% Alternate Phone: � Contractor / Applicant Ir��fi�����i�a�'°��� ����"�`�`�_ Contractor/App.: 5C> ti� i''�t�1�,� �.�-f: G Contact Person: Cr <<%C� ;o�;,S Address: ��G�y'��3 5�� �1 �+� i—��..� �� ��' State License #: �- ��G � City: L 1 f'.1 c��z.f�ti3 Zi � � ���`�`� p• Expiration Date: �� v� �•�`� � Phone: � J � "� �3 `" �� �`�( � Alternate Phone: �. '������ ����s �`����������.��` ����P�ES�� �����?, ���'°����� �-� �;e ,�� , Residential ❑ Commercial ❑ Other '��� �;��.� f �,�. -�� � ,nf�.:'�����.n�{ P.E�,RM IT`��(P E AN D F Ef S ��� � "'�� �4° �`' -� � � New or Replacement System $100.00 �c� c; - � �- Repair Existing System 50.00 (Tanks or Drainfield) State Surcharge .50 .50 Total � ��, . ����_ � /�. V:\(Permits)\Septic System Permit App;ication.doc 1 /2 �" � � � *�` ATTENTIO�N APPLICANT ** ,�� �'' . i Fill in all appropriate_blanks and check all appropriate boxes. s I will be installing the following: Tanks ❑ Precast Concrete ❑ Fiberglass � Plastic ❑ Other (list manufacturer) —� Number of Tanks: � Size of Tanks: /C)Od /�� �Q�Q Treatment System Trenches s.f. 4� Mound ;;� � C'� s.f. Gravel less s.f. Chamber s.f. Final Cover/ Top Soil to be borrowed from site (show location on site plan) " trucked in The undersigned hereby applies to the City of Orono for issuance of a septic system installation permit, agrees to do all the work in strict accordance with ordinances of the City and regulations of the State of Minnesota and certifies that all statements made on this appfication are complete, true and correct. Signature of Applicant Date: /- 3p - d 9 M PCA License No.: ���(��� Staff Review: [��Accept ❑ Denied J , �Reviewer: /� � `� ;�'.��-C ;-��,� Date: ��t�C� q Reason for Denial: Comments (to be printed on inspection card): V:\(Permits)\Septic System Permit Application.doc 2 � 2 � _ � ���'r�►�f �OC��' C��U�/ / - 3v�-Zoc�' Septic System Design � September 18, 2006 � (/ ��'1 c� � 1 �� � � 5 � � _ Vince McClellan 5673 Bartlet Bivd. Mound, MN 55364 �ORONo COPY ORONO COPY 612-210-1700 �� 3�� i�3� �� ���1 � � ���� � �, � �� � � S c� � r� i �-I ORONO COPY ; � a2- a F _ ':� � �������'��� � ��� ;� > —...� .,,.-� �� � ������+ � �: j : � . _ . �_: . ..s� =_� � _ s'' '-"�s� . ��ei ';t t Ja +��".x -.,.��. ='..�' "._ s �..�_^^''e.`_ � !" �L- �:i_...-.�T�-,t i�. �J ..I � i..,E...i . �a�� 4 �i� r� �'2 2. -}•f< A 1 � 7�` ,}im Spieker 14226 ;;sh Circle NE � Prior L�ke; MfV 553i2 C.ITY OF ORONO ��` `����8�5� SEPTIC P ,RMIT AN R V� INSPECTOR_ ' ��_ _,__,�. � DATE - P6RMIT NO._____, APPROVGD AS S[;BMITTED ����j �� � APPROVED WITH CORRBCT{ON9 AS NOTED . 3 BEOROOMS. ANY���'E'� NOT APPROVEb-CORRECT&REStiB�ftT �����p��� �� 7hese comments are for your informrtioq. AU work shal)be Jw�e +�wVl11�1���r�{�'��'� M futl crounpiiance with ril appticabla septie snd zoning a�de. 'Ty a� �-• Requiremenis including ilems not specii'icalty notcd in tuis rcricw. —1-i-• KEEP THiS BLAN SBT OAi 5tT6 AT ALi.TIMES � LoRa of Soil BorinRs Locatioa or Prnject C ��-�`��q , ,� �� �« ,,�s��,� Sorings made• by _ ?,i•w �At�.�<�rr � Date �L<� �p(� �----- Classification System: AASHO � ; USDA-SCS �/� ; Unified ; other i Auger used (check two) : Aaad • , or Power ; Flight , or Bucket �; other Depth, Boring nua�ber Q ! Depth, Boring number �t� feet Surface elevatioa feet Surface elevation � 0 L a�:-,�, l D f'2 Y� ' _ Le�y� t��'2 �i Loa.� � o�P�``3 � -- � 1 =� �Lv�-� �����1� � � • � �tw� ��� ��YrzYl�` lvYi���� ^ Lo�.� �o� u �� 2 — 2 — �!� �.��� r� Y,� `�/� ��y'�2.�/� • LO ���/� 3 — 3 "� . 4 — •- 4 — � � 5 — I 5 — 6 — 6 — � .� _ 7 _ 8 — 8 -- i End of boring at t� � feet. End of borinR at a. s y feetF Standiag water table: � StandinR water table: R�resent at • feet of depth. Present at __ feet of depthy t hours after boring. � houra after boring.� Not present ia boring hole r/ . Not present in boring hole � . Mottled soi2: Mottled soil: Observed at l� :3 feet of depCh. Observed at �_ feet of depth. Not preseat in boring hole . Not present in borin� hole Obs�rvations and comments: Observations and comments: � , LoRa of So1I Borinqe Location or Project ��. C,���`4,�c 3 SD �d� -�-s�� Boririgs made• by �� ( � Date ���� l�� Classification System: AASHO ; USDA-SCS ; Unified ; other Auger used (check two) : Hand ✓ , or Power ; Flight , or Bucket ✓✓ ; other Depth� Boriag number �� Depth, Boring aumber f�r Surface elevatioa feet Surface elevation 0 p L�Q,�� � o��z �!, ' _G �. 1 — L�a.iyc � O Y/� `�`,z.� Z -- ,..- • S'.J 2 -- �2y L.,B�at l0 y!2`t�f�� �Of'��� Z — ��S — L . 3 — 3 — • 4 — • 4 — � � 5 — ' S — 6 — 6 — . .� _ 7 _... 8 -- 8 — ; End of �vring at ,�, 3 fe�et. End of borinR at feet+ Staadiag water table: � Standin�t c�ater Cable: �esent' at � feet of depth, Present at feet of depthy 4 hours after borin � hours after borinR.# Not present in boriag hole � Not present in borinR hole Mottled soil: Mottled soil: Observed at �,/ feet of depth. Observed at feet of depth. Not present in boring hole Not present in boring hole Obs�rvations and comments: Observations and comments: , B-39 , � PERCOLATION TEST DATA SHEET Test hole location � SD �j j� �'s� �� Hole number l'`� Date test hole was prepared ��/(��D� � , Depth of hole bottom, t'� inches. Diameter of hole, �_ inches. Soil data from test hole: Depth, inches Soil texture � "/ �• �—�sLl�1 Method of scratching sidewall _ �C,41"� ��e�•. Depth of pea-sized gravel in bottom of hole, �. inches. Date and hour of initial water filling 8�j� J �� Depth of initial water filling, � � inches above hole bottom. Method used to maintain at least 12 inches of water depth in hole for at least 4 hours J� ,p�,8� Percolation test readings made by � j�„ �r• on �l<� starting at `�;py :m. . Maximum water depth above hole bottom (date) during test, �'� c'� inches. Time Percolation Time Interval, Measurement, Drop in water rate, Remarks Minutes inches level, inches minutes per inch C-1 �O �� � �: 5F �' �, " �1 6 ! >9 �.j�� �t � -�0 � � • d.�S J. Q °���.r �=+�4 oZ.� S` :�?. S all: c� Percolation rate = �. minutes per inch. B-39 . ' PERCOLATION TEST DATA SHEET Test hole location ,5�D ��a --�-��� � Hole number �/� _ Date test hole was prepared _ ��l� �pF, , Depth of hole bottom, Ia inches. Diameter of hole, _� inches. Soil data from test hole: Depth, inches Soil texture . U-- �,� L.�e_� : Method of scratching sidewall _ �C„cLY'� �1�►�. Depth of pea-sized gravel in bottom of hole, � inches. Date and hour of initial water filling ���L 2, �� Depth of initial water filling, � � inches above hole bottom. Method used to maintain at least 12 inches of water depth in hole for at least 4 hours Sj j��a� Percolation test readings made by �T�, �pj�.�r+ on �l [ � starting at � �;O 7 � . Maximum water depth above hole bottom (date) during test, t'�� � inches. Time Percolation Time Interval, Measurement, Drop in water rate, Remarks Minutes inches level, inches minutes per inch �I�t�"7 �: e� � a . �. � 3, � �t � a. �. t'_� `, � ".� :2 .� !. - � Percolation rate = � minutes per inch. Q�sr+e ���� �� Job# Vnce -r�,►,��,� v��.r...,. �. Universit of Minnesota Mound Design Worksheet Greater than 1%Siopes A FLOW Estimated � � lodrHc-� �y�p�j�) 300 g�d(see BgureA-1) or me�ured x 1.5(safety factor)= 0 �d B. Septic tank c�acity :24t10 gailqt�see figure G1) Number of tankslcomp�trnents 2 Effluent Fiiter (yesJno) no C-1 Septic Tank Capacity in Gallons Number of Minimum C�acity with Capacity with Bedrooms Capacity Garb.Disp. Disp.and Lift 2 or less 750 ' 1125 15{30 3 or 4 1� - 1500 2000 5 or 6 tSU� 2250 3000 ` 7.8 or 9 20(10 3000 40fl4 C. SOILS(Site evaluation datal . 1. , _ 1:2 feet;� 2. Depth of percolafion fests= 12 inches 3. Texture loarn 4. Soii loading rate(see Figure D-33) 0.60 �dl ft� Percola4on rate 3 MPI 5. %Land Slope 23.0 % ,_ :_,,.._. . . D. 1. Multipty average design flow(A)by 0.83 to obtain required area of rock layer:Item A x 0.83= 300 �d x 0.83 ft2tgpd= 250 ft 2. Determine rock lay�width =0.83 ft`J�d x Linear loading Rate(LLR)(see LLR chart) 0.83 ft�l�d x 12.00 = ft LLR Chart Perk Rate LLR <120 MPI <=t2 >=120 MPI <=6 3. Length of rock layer=�ea divided by width= 250.0 ft� / 10.0 feet= �ft E. 1. Multiply rock area by rock depth to get cubic feet of rock 250.0 X 1.0 ft= 250.0 fY� 2. Divide ft3 by 27 ft3tyd3 to get cubic yards 250.0 ft3 t 27 = 9.3 yd3 3. Mul6ply cubic yards by 1.4 to get vueight of rcek in tons; 9.3 yd3 X 1.4 toNyd3 = ons Page 1 of 6 . 1 l�� . F. ABSORPTION WIDTH Absorption ratio: 2 1. Absorption v,�dtfi equais absorption ra6o times rock laye�width 2.00 x 10.0 ft = 20.0 ft G. MOUND SLOPE WIDTH&LENGTH(Greater than 196i 1. Downslope absap6on width=absorption width minus rock layer width 20.0 feet - 10.0 feet= 10.0 ft 2. Calculate mound s¢e UPSLOPE a.Depth of clean sand at upsfope edge of rack layer=3 feet minus�stance fo restricting layer(C1) 3.0 ft - 1.2 ft= 1.8 ft b.Mound height at the upslope edge of rock layer=depth of clean sand for separation(G2a) at upslope edge plus depth of rock layer(1 foot)to depth of cover{1 foot) 1.8 ft+1ft+1 ft= 3.8 ft c.Upslope be�m multiplier based on land slope(see figure D-34) Selected betm multip6er: 2.03 d.Upslope width=be�m multiplier(G2c}t�nes upslope mound height(G2b): 2.03 x 3.8 ft = 7.8 ft DOWNSLOPE e.Drop in elevation=rock laye.r width(D2)times percent landslope{C�!100 10.0 ft x 23.0 °/a I 100= 2.3 ft f.Downslope mound height=depth of clean sand for slope difference(G2e) at downslope rock edge plus the mound height at the upstope edge of rock laye,�{2b) 2.3 ft + 3.8 ft= 6.1 ft g.Downslope berm mul6plier based on percent land sbpe(see Figure D-34J Selected berm multiplier. 8.93 h_Downslope width=downslope multiptier{G2g)times downslope mound height(G2� 8.93 x 6.1 = 54.5 ft i.Select�eater of G1 and G2h as the cbwnslope width 54.5 ft j.Total mound width is the sum of upslope(G2d}widtl�plus rocic layer width(Q2)plus dovrmslope width(G2) 7.8 ft+ 10.0 ft+ 54.5 ft= 72.3 ft k.Total mound lengtfi is the sum of upslope width(G2cn plus rock layer length(D3)plus upslope widtfi(G2� 7.8 ft + 25.0 ft+ 7.8 ft= 40.6 ft slope>1%) x 1 hereby certify that all waic has been canpleted in accordance with all�pl�cable ordinances,rules&laws. (signature) ��( (license#) ��date) Page2of6 � ' Viw� _ �t. 1. Upslope VolUme+ Volume under rockbed+Downslope Volume a.Upslope Volume:(depth of clean sand+�)x{upsfope berm) x(mound length)I 2=ft3 2.8 ft x 7.8 ft x 40.6 ft /2 = 443.4 ft3 b.Volume under rockbed: (average depth of sand under rock)x(rockbed widtli)x(mound length)=ft3 3.0 ft x 10.0 ft x 40.6 ft = 1197.7 ft3 c.Dovwislope Volume: (depth of dean sand+1)x(downslope berm)x(mound length)12=ft3 5.1 ft x 54.5 ft x 40.6 ft / 2 = 5642.4 ft3 Total cubic feek = 7283.4 ft3 2. Divide ft�by 27 ft3tyd�to get cubic yards 7283.4 !27 = 269.8 yds3 3. Multiply cubic yards by 1.4 to get weight of sand in tons 269.8 yds3 X 1.4 377.7 tons 4 Add 10°�for Constructability 377.7 tons x 1.1 = A-1 Estimated Sewage Flows in GPD No.of B�ms Class I Class II Class AI Class IV 2 3Q0 225 18(t 60%of 3 450 300 218 the 4 600 375 256 values 5 750 450 294 in the 6 9fl0 525 332 Class I, 7 �d50_ 600 370 II or II 8 1200 675 448 columns D-33 Absor ion wdth Sizin Table Perc Rate Sal Texture Lo�ng Rffie Absorption mpi gpolsq ft Ratio Coarse sand <5 Loamy sand 9.2Q 1.00 Med.,Fine sand 6-15 San loam 4.75 1.50 16-30 Lo� O.SO 2.00 31-45 SiltLoam,Silt 0.5d 2.40 46-60 Clay loa►n,Silty a.45 2.67 or Sa CI Loam 61-120 Silty or Sandy Clay or Clay D24 5 >120* 'Must be ott►er or ance. Page 3 of 6 ' _ � � ��I�c�.r- 1.5"inspection pipe �; �top 6"topsoil � � � /�l�top 6"topsoil 1.8 Original grade Restrictive layer 12 7.8 10.0 54.5 ;� 64.5 � absorption width Mound Detail: Land slope> 1% �.s Upslope berm: :.................................................................... ............................................................................................................ Rockbed Width: 1 Q.0 Total Length: 25.0 '� Downslope berm: Downslope absorption width: 54.5 10.0 � ., �� Notes: Divert surface wat�av�y from mound. ro�2r Mci�t�,a� ��a�� s� � a � Page 5 of 6 University of Minnesota Pressure Distribution System Design - 10/25l04 Al!boxed�ectangfes must be entpred,the rest will be calculated. ��� vince s�,�� 1. Select number of perforated laterals: 0 T"""T"�'" Pwoo�ewue „�, ��' 2. Select pertoration spacing= �ft .h���...-�. 3. Since perforations shou{d not be placed closer that 1 foot to - the edge of the rock layer(see diagram},subtract 2 feet from l �� the rock layer len h � ^ r�W -��r�nk � 25 -2 ft= 23 ft t•�.._:v,.,,3,�,._,„_ r�r4:,�,.,y i.s._�. 4. Determirte the number of spaces between perforations. Divide the length(3)by pertoration spacing(2)and round down to nearest whole number. Pertoration spacing= 23 ft! 3 ft= 7 5. _. h 6. Number of perforations is equal to one plus the number of perforation spaces(4). 'Check figure E-4 fo assure the number of perforations perlaterat guarantees <10%discharge variation. 7 spaces+1 = 8 pertoratiorisllateral E-d Maximum Number of 114 inch pertorations ES Maximum Number of 3N6 inch perforations er lateral to uarantee<1Q%dischar e variation r lateral to uarantee<10%dischar e variation Pertoration PertoraUon Spacing Pipe Diameter Spacing Pipe Diameter ft 1 inch 1.25 inch 1.5 inch 2.0 inch feet 1 inch 1.25 inch 1.5 inch 2.0 inch 2.5 8 14 18 28 2.5 12 19 25 39 �34.:�--� .���: ..�.��' .�. ..���;�• �'�;. �"�. �.s�,..Y`.. �11' ' " ,_t$ 24.;.:;. 37� 3.3 7. ��� 12 � 16 25 3.3 . 10 17 23 � 36 40.._.: _�._.���_ ����.��.__ � .,�,''".1 ���.',;:� gr;"` �^_ ^". '; 10 '��.. .. � �'�' � ..,. ...�.. . � _ ...: 5.0 6 10 14 22 5 9 15 20 31 7. A.Total number of perforations=perforations per lateral(5)times number of laterals(1). 8 perts/lat x 3 laterals= 24 pertorations B.Ca�ufate the square footage per perforation. Recommended value is 6-10 sqft/pert.Dces not apply to at-grades. 1. Rock bed area=rock width(ft)x rock length(ft) 10 ft x 25 ft= 250 ft 2. Square foot per pertoration=Rock Bed Area/number of perts(6) 250.0 ft/ 24 perts = 10.4 ft�/pert 8. Determine required flow rate by multiplying the total number of perforations(6A)by flow}�er perforations see figure E-6) 24 perts x 0.74 gpm/perfs= 17.8 gpm E-S Pertoration Dischar e in GPM Head Pertorations diameter feet) inches 3/16 7t32 1/4 1 0.42 0.56 0.74 2" 0.5C�3 £3.8C) 1.04 5 0.94 1.26 L66 a. Use 1.D footfor single-family homes. � b.Use 2.0 feet for anything else ___--"-> "'r""�` � ___ ;. _` -.�,�-.:'.fr.Y I .s� '� ��`/� �',. r-,.''_� -_ I 9. Determine Minimum Pipe Size ; � �--_°'" __--_-' ! A. Manifold on End. If laterals are connected to header pipe = '- �,-_ :._, I ,, . .:.... as shown in Figure E-1,to sel�t minimum required lateral ;F+a�,s E-,:M�,�����a�E„���.«m ; diameter;enter figure E-4 or E-5 with pertoration spacing and number of pertorations per lateral.Select minimum diameter for perforated laterals= �inches r---- --- -- - B. Center Manifold. If pertorated laterel system is attached to � ��EZM��a�a� =_ '°'- Y�Ib tanler r/F�Syslvrr manifold pipe near the center,like Figure E-2,perforated lateral length(3) , - - and number of pertorations per lateral(�will be approximatety � " i one half of that in step A. Using these values,select I•_-` - r " minimum diameter for pertorated lateral= Dinches I �-- ; i - 1 hereby certify that I have completed this work in accordance with aN applicabte ord�nances,rufes and laws. _;� (signature) �B� (license#) �l o (date) University of Minnesota Pump Selection Procedure - 10/25104 Ail boxed rectangles must be entered,the r�est will be calculated. a�,� 1. Determine pump capacity: ���.� ` A. Gravity Distribution R�R"�' f`' '� 1. Minimum required discharge is 10 gpm 2. Maximum suggested discharge is 45 gpm For other establishments at least 10°�greater than the water supply rate,but no faster than the rate at which effluent will flow out of the distribution device. B. Pressure Distribution-see pressure design worksheet soli treotrnent system &p�int�f dfscharge m-em��::� Selected Pump Capacity: 17.8 gpm total pipe iengi� ..,,��� --.��"'�, 2f;.e#evafion irdet ••�"` � DOSiNG CHAMBER SiZING-18125/04 All boxedrectangles mustbe entered,the resf wiNbe caiculated Width 1. Determine area A. Redangle area=L x W �� ft x �ft = � � ' Length - B. Cirde area=3.14 x radius2 3_14 x Zft = 0.0 fl C. Get area from manufadure ft Radius 2. Calwlate gallons per inch There are 7.5 gallons per cubic foot of volume,therefore muttiply the area(1 A,B or C) times the cornersion factor and divide by 12 inches per foot to calculate gallon per inch. SuAace area x 7.5112= 0 fi� x 7.5 ! 12inlft = 15.0 gallon per inch Legal Tank: 500 galions or 3. Calculate totai tank volume 100%the daily flow A. Depth from bottom of inlet pipe to tank bottom = �in or Alternating Pumps B Total tank volume=depth from bottom of iniet pipe to tank bottom(3A}x gaUin(2) = 50 in x 15.0 gallin = 750.0 gallons 4. Calculate gallons to cover pump(with 2-3 inches of water covering pump) (Pump and blodc height+2 inches)x gallon per inch ( 19 + 2 in) x 15.0 gallin = 315.0 gallons 5. Calculate total pumpout vofume A. Select pump s¢e for 45 doses per day. Gallon per dose=gpd(see Figure A-1)I doses per day= 300 gpd t �doseslday = 60 gallons A•1 Estimated SeMrage Flows in GPD E-20 Vdume of Liquid in P'ipe lJumberof PipeDiameter Liquidperfoot Bedrooms Class I Class II Class III Class IV inches gallons 2 300 225 180 60%of 1 0.045 3 450 300 218 the 125 0 078 4 600 375 256 values 1.5 0110 5 750 450 294 in the 2 0.170 6 gpp 525 332 Ctass I, 2.5 0250 7 1050 600 370 I I or II 3 0.380 S 1200 675 408 columns 4 0.660 B. Calculate drainbadc 1. Determine total pipe length 70.0 ft - - 2. Determine liquid volume of pipe, 0.17 gallft(see figure E-20) E���_�� � " 3. Drainbadc uantit 70.0 fl 581 x 0.17 alfft5B2 - 11.9 al , c° ==°�=��°°�°°�="-`-� '` 9 Y= � ) 9 � )- 9 iYit� �� C. Totai pump out volume=dose volume(5A)+drainback(5B3) ���x= �� 60 gallons+ 11.9 gallons= 71.9 gal :� c_;,��,:���ii y � Ct C 6. Calculate float separation distance(using total pumpout voiume) z' "- TWaI pumpout volume(5C)1 gaVinch(2) € �••�- - --.-w;r-' € 71.9 gai 1 15.0 gaVin = _��x� �� ����°{j�r: f � `� >��st�;_a r. ` CC Yi'�[ 7. Calculate volume for alarm(typically 2-3 inches) Alarm depth(inch) x galloNinch(2) _ �in x 15.0 gaVin = 30 gai 8. Calculate total gallons=gallons ouer pump(4)+galions pumpout(5C}+gatlons alarm(� 315.0 gal + 71.9 gal + 30.0 gai = 416.9 gal 9. Total tank depth=total gallons(8)f gallonlin(2) 416.9 gallons! 15 gaVin = 27.8 in Recommended Calculate reserve capacity(75°k of the daily flow) Daily flow x 0.75 = 300 x 0.75= 715 gallons I hereby certrfy that I have completed this work in acoordance with aii applicable ordinances,rules and laws (signature) � 0 � (license#) ��_(date) • Page 1 of 1 � N .�`" \ �� s �° � ' \ ,�. � � ' ��5 . a� . � d \ � ,, _ �n i . � ����oc��25' . , �" ,�p x � Elevation Settin� � . �"� � � . . 'o. � a���'` �P'��` � Main Floor � ,�ae _ - � � Lowest Floor �,�a p 1�. ����aQ�e ,\ Enter Tank 98.0' � � � �� �e. . Pump 93.0' \ � �aQ \�Manifold 113.0' �� . �a��0 � Absorption are � �� . � � �e ' �� �a� \ . � Note: � � � Upslope is 1:4 � ��001 c �'� Downslope is 1:3 � �a��� p1 � , \ A retaining wall installed below the�bsorpt�r�Q ����� oo�o �.\ . area would shorten the downslope.\ � Q � \G.�a� ���0 - �� �,\ .\ �eQ�, ,�a� �o \ ,\ cJeQ�.�G " O � , , �4�� � � � _Water pipe- - - - �I-" -- - . - -- - -,- � � � . � � ,� ��e . � �� �� , _ Designer � ` , � Jim Spieker . 14226 Ash Circle N.E. � Prior Lake, MN 55372 �� tel. 952-445-8569 � MPCA lic.# 501 � � .\