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HomeMy WebLinkAboutOWTS Design Plans~ f;l N ..,. ~ ~ ~ "" ~ ~I ~ ..,. =&; i = ~ ~ 0 q ~ :;- 0 0 &l i \ . ,. / "}·:r ' ~-· ,. ..... , ,, ......,..; l'· ._ ~ .. :(.,,,;,fl)' ' ~-<1.t.;·1 ' ,, -j..,._.,;,:.o :: , ~:.i ~ ~r I J Y•.' •.,'A\_ I • ''(I ., "t :II':! . ·o. {2', .,. " 'Ri fle · Mes •'-·-"h .l ,-.-_ ... e,......... . . ·r·, ~· ... -..... +. \. ·. =··~ 'i\I -.. ~;1·i1 1 •. _,.-,. ( \.jf I 1 1~.,.:;:i-~"1. -, .,\. op '!> 1r.:.:i ', 1 1' 'A : j:· '~•,1,--:;,; f· '\ J , :.: • .,,,:1;:L ~·-: ·-"''''·"' .j4,;£.( rs. 'tet··. jJ •"'1 '-·1 \ ",!.:·:·,\\ \~,;:1i ~~~·-~~~i:1f1~~h I ' ' ' .. ,, ... ,.-.,,,, .. CJ .. : \ "' ~· '. ·-\ ..... .:wl'-.... i;; •.. "-:(~-:::"·"'•~ ·• ... -. ._ -. ., .... ,. -. -. ' '·-' -··....,.-;. ~~ ""'.,... "•-• ,-.. -... -· ~ .. ~ it..,.. ...... _·~I'~.~~ , -I: ~:..---:-._~. __ -,.;a-=~-----· ·,;: • -/;:,''"'~ ~ ~ ;·---.·~~ . . {--~·~-~· . " -•'' . ,, ~··,- , / , • {o>if ·• '~ "·.:. • I //\ ----~ // / ......._ / , / ~ ~ \ ./ ' / ./ " ~ ~ / ~ \ // " * __../ /// I/' \ / ~---I ' __...--::-DPH E APPROVED 1,000-GALLON / / SAND FILTER SYSTEM SPECIFICATIONS 1. EXCAVATE AND DISPOSE OF THE CLAYEY SOILS TO A DEPTH 6' BELOW THE SANDY LOAWCLAY INTERFACE . LEVEL THE SOILS AND PLACE A LAYER OF FILTER FABRIC . 2. LINE THE SIDES OF THE EXCAVATION WITH FILTER FABRIC AND INSTALL THE REPLACEMENT COOT #3 OR #4 AGGREGATES IN 12' LIFTS TO THE BASE ELEVATION OF THE SAND FILTER. APPLY MINOR COMPAC TI ON TO 85% STANDARD PROCTOR LEVEL THE AGGREGATES AND PLACE A LAYER OF FILTER FAE RIC. 3. PLACE THE PROPER DEPTH OF SAND, THEN FORM THE SAND/GRAVEL INTERFACE AREA \111TH THE AREA BOTIOM BEING LEVEL THE SAND MUST BE THOROUGHLY smLED BY FLOODING OR OTHER MEANS BEFORE APPLYING A LAYER OF FI LTER FABRIC 31 . THE SAND USED MUST BE CLEAN , COARSE SAND , ALL PASSING A SCREEN HAV ING FOUR MESSES TO THE INCH. Tr E SAND MUST HAVE AN EFFECT IVE SI ZE BETW EEN 0 25 AND 0 60 MM THE UN IFORMITY COEFFICI ENT MUST BE 4.0 OR LESS. MATERIALS MEETING ASTM 33, FOR CONCRETE SAND . WITH 1% OR LESS FIN ES PASSING THE 200 MESH SIEVE MAY BE USED. A COPI OF THE SUPPLIER'S ~* __ , , / i' I PR ECAST CONCRETE SEPTIC TAN K, OR / / ·-. .. .;I I CDPH E & ENGINEER APPROVED VI""'" r ml\r :!'' >. ,~,.-··-* FIBERGlASS TANK, WITH SCREENED I " -= ' ·' • 1'=4000'. • · -" /~~.e-. J / DO~GPUMPPACK A G E (SEEDE~L)__. ~ / / ~1 ~--/ I + I "" on .. c ocu '° ~,,_ -\ I / /r / 11 \ ._... ,, ·---·-'.'l,.·' ···~ I 1.,,, ---/ ----- ---4 --. -....,..._ 5. GRACATION ANALYSIS SHALL BE SUBMITTED TO THE ENGINEER FOR APPROVAL. PLACE THE SCREENED ROCK (AGGREGATE) TO THE SPEC IFI ED DEP TH OF THE PRESSURE DISTRIBUTIO N PIPES .. INSTALL THE PRESSURE DISTRIBUTION LATEMLS, CONNECT IT TO THE EFFWENT LINE AND COVER WITH AGGREGA TE. ~~ ,,-;,.~~ \ NEW GARAGE WITH \RECREATION ROOM \ \ " " ' cY ~ (§ j1 ~ I I %. I , ~ , I I / / I ' i I I / I /"-..._ '1 / I "(';(/_ I + I // I I """-./ ~~·0 SOLID SCH.40 PVC OR \ 1 "'-._ PURE-CORE HOPE FROM * I PROPERTY LINE) '/ I ~..,· 6, 7. 8. 9. . 10. COVER THE AGGREGATE \111TH A FINAL LAYER OF FILTER FABRIC . PLACE A MINIMUM OF 12 INCHES OF SUITABLE TOPSOIL COVER ON THE TOP OF THE SAND FILTER AGGREGATES TO CREATE A SLIGHT MOUND . FINAL GMDE THE SURFACE AND SURROUNDING AREA WITH LIGHT WEIGHT EQUIPMENT SO SURFACE WATER MOVES AWAY FROM THE SAND FILTER AND DOES NOT ACCUMULA TE NEARBY SEED AND MULCH THE ENTIRE EXPOSED AREA TO AVOID EROSION. LANDSCAP E WITH SMALL SHRUBS AND PLANTS AS DESIRED. DO NO T PLANT TREES ON THE SAND FILTER. PROVIDE POSITIVE DRAINAGE OF SURFACE WATER AWAY FROM AREA USING DRAINAGE SWALES OR DEFLECTION MOUNDS AS NECESSARY . \ \ \ / I I I "' I THEOO~NGPUMPSYSTEM V FENCE(NOTTHE / / I I I "'""'-.. I I / XlONSTRUCT A SHORT - - - -...:r / / / "'-._! / i' MOUND TO DEFLECT I I / %""'-.. RUNOFF AROUND THE / "'-._ / / ABSORPTION AREA ASPHALT PARK ING \ \ EX. RESIDENCE / / ~~~// / / \/ ~1(<11'1\ji>\\.· . oC\\\\<l\\l'I-c~ is s"'-s \\0 ,.,,. ""'~ ~ ... '-I\ \~ i\ - {\ * \ I I I "' ~.\ I i\~~ SITE EVALUATION 1. SITE AND SO IL EVALUATIONS WERE PERFORMED BY DERIC J. WAUER, PE #37110 BOUNDARIES UNUM/TEO INC. 923COOPERAVENUE, STE. 201 GLENWOOD SPRINGS, CO 81601 970.945.5252/DERIC@BU·INCCDM 2. EVALUATION DATE(S): 11/18/14. DAVID A. YOUNG, PE HEPWORTH-PAWLAK GEOTECHNICAL INC. 5020COUNTY ROAD #15 4 GLENWOOD SPRINGS. CO 81601 970 .945.1988/DA VE@HPGEOTECH.COM 3. SETBACK REQU IREMENTS FOR A TREATMENTLEVE L 2 (Tl2) STA UN LI NED SAND FILTE R (PER TAELE 6.28-la): 3A SPRING OR WEL L~ 100 3.B. POTABLE WATER SUPPLY LINE-25' 3.C. POTABLE WATER SUPPLY C5TERN =25' 3.D. DWELLING =20' 3.E. PROPERTY LINE, PIPE OR LINED IRRIGATION D ITCH~ 10' 3.F. INTERMITTENT IRR IGATI ON LATERA~ INFILTRATION STRUCTURE -25' 3.G. LAK E, WATER COURSE , IRRIGATION DrrCH , STREAM OR WETLAND= sa 3.H. DRY GULCH, CUT BANK OR Fill AREA -1 0' 3.1. SEPTIC TANK=5 ' 3.J RESTRICTIVE LAYER DR GROUNDWATER (VERTICAL): 3' (TREATM ENT LEVEL 1. PRESSURE DOSING) 3. SETBACK REQ UIREMENTS FOR THE SEPTIC TANK SHALL BE (PER TABLE 6.28-1a): 3.A SPRING OR WELL =50 ' 3.B. POTABLE WATER SUPPLY LINE=10' 3.C . POTABLE WATER SUPPLY CISTERN=25 ' 3.0. DWELLING= 5' 3.E. PROPERTY LINE , PIPE DR LINED IRRIGATION DITCH= 10' 3.F. INTERMITIENT IRRIGATION LATERAL, INA LTMTION STRUCTURE= 10' 3.G. LAKE WATER COURSE , IRRI GATION DITCH. STREAM OR WETLAND = 5!! 3.H. DRY GULCH, CUT BANK OR Fill AREA = 1 ~ 3.1 . STA fRENCKIBED , UNLINED SANO FILT ER OR SEEPAGE m =5' ~ I "" "' I SUl'f.E I "'"' 0' "' TOPSL " ---- TYPIA - Cl, "' -- - t ~ 0 - = --· -:: -··--- TYPa I + SAN 7' "' N LOI " j ' 'f. Soil P1file SO : N.TS. I I - ,;/ / / / / .... / .- I I I / I I ..,, I / / '.'// / ' / -I ,. I I / /-r.._ / \ -, / / I I I I I \ ..... / ,./ ~\, \' ' \ I...._ \ I ' '-\ I\ I \ ----------~- \ / \\ \;: / " ... ... / I I I , ----------~­/ / / / , I I I I I I / / I I I I // ff / e , I ( / ... I ABSORP TION AREk 220 SF SAND FILTER (SEE DETAIL) I -7 ~/ \ ! .,, , I f \ " ~~/r-.c.--;'~----~ -·~__.....X / I . 1' \ ,, . .'..__ ___....--\..... -~ ._../' I . , / // ---/ / ---I -'-.... I / -/ ____..;...--/ / I v "' / j \ r THE WELLS LOCATED '-..., / ) THE SOUTH BEYOND THTEO ......... • f INDICATED SETBACKS ( __...-/ I -~ / I I /--/ ........-:/ ________ __..... / ,/ / / I Effluent Pumping System -2nd Compartment Drawdown ~ Scale: 1" = 2' Conlrol Panel Top View (NTS) Simplex Pump in g System M ¢ ~ ~ Orenco Systems® Incorporated Fiberglass Gaske!ed Li d --- wi~ Sl<!in less Steel ~~ Slope Ground AW?'f from ~"' PVC Riser wi~ Grommet(s) To Control Panel - Cooduil Seal I I / ~let Tee--. 1...j1 I L' · . 1 ., -:l' - lnl eVOutlel Tees ., - Pv'C Splice Box w/ Cord Grips Fiberglass Gaskeled Lid wi~ Stainless Sleel Bal~ PVC Rlser witti Grommet(s ) ,----Discharge Assemb ly r--Flexible Hose 814 AIRWAY AVENUE SUTHERLIN . OREGON 97479-9012 TOLL FREE : (800) 348-g843 TELEPHONE : (541) 459-4449 FACSIMILE: (541) 459-28B4 2"0 Sch . BO Pv'C Ettlu ent Discharge to ~e Absorption Field Distribution Man ifold FH<,,-----Tank Adapler (Casi or Bolled) idJ ~ 1 ·1 Flow Inducer : . 1 Level Cootrol Floal ,.. / -L:_____ " 0 / I / / I I \ \ \ I I I I I I I I ,,,. /' ,,,. ,,,. PROPERTY LINE "Y ,,,. ,,,. ,_ , II l':: ..... L . DISTRIBUTION PIPE ~ SOLID CAP FOR SUPPORT @ BOTIOM OF BED ., REMOVABLE CAP 4 -1 /?'0 HOLES 4" 0 SOLID PI PE !SJ;--COUPLING 4" 0 PERFOMTED PIPE VIMPP ED WITH FILTER FABR IC (WITHIN SANDS) Combo Air Vent & Insp ectio n Por t Scale: N.T.S . l l r++-----Filler Cartridge >+-+-----Vaull Inlet Parts ATIACH REMOVABLE CAP OR THREAD ED CLEANOUT ASSEMB LY. t+-+-----Orenco Wluent Pump Two Ccmpar1ment 1000-ga lloi Sep tic Tank 1,. L....:.. ""~ 1'.·.c. RUSRE.o'RocK. 6" o'EEP ro L£v rr TANK \V ..;,i, >q-W;i!-: ' ~ ' • ~ r-1.' " i.,_I Pd'u.:'>'------Biorubi!llProPak Pump Package Notes: -1-. -System lo be inslalled in conlarmance wilh manulaclmer~ recommendal ions. 2. The Discharge Pump shall bea low head verlical lmbine pump wilh a design llow of 15 gpm. Pump mooel to be specified by lhe manufacturer . Floats shal l be sel lar a dosing volume of 75 gallons (-2 doses per day). Conlact SCG Ente~>isesal 303 .697. 9404 lor sys I em specilicaaoos and inslallatioo procedures. 3. The pump system shall be cormected to an alatm which sh all be bo!ll audible and visible , loc ated within the garage and on a cir cu ii separate from th e pump . Seotic Tank w/ Biotube ProPak Pum. Scale: N.T.S Patenls # 4,439,323 & 5 492 ,635 Foreign P•tenls May Apply 2006 . © Orenco Syslems , Inc. NDW-TD -EPS-03 Rev. 3.0 (03/06) INS TA LL MARKER IF CAP IS TO BE BURIED. -"""' '"""· %.tN /, :-:,,)$.--::-.:: 4' Pv'C WYE FLOW FINISH GRADE 4"0 Pv'C RIS ER 4"0 45° BEND Cleano ut Scale: N.T.S . IRRIG . VALVE BOX SYSTEM NOTES 1. ALL CONSTRUCTION SHALL BE 1i,::E WITH COPH E REGULATION #43 ONS ITE WASTEWATER TREATMENT SYSTEMS (QWTS), MOST CURRENT EDITION ANO LOC AL AGENGY REOU IRE MEMAY OR MAY NOT SPEC IFICALLY BE NOTED ON THE DRAWINGS TH E CONTMCTOR SHALL BE RESPONSIBLE FOR KNOWIN G AND CONFORM ING TO flC DETAILS AS ARE REFERRED TO IN TH E ABOV E MEN TIONED REGULATIONS THIS DMWING DOES NOT CONS TITUTE AN OWTS PERM IT. AiST BE OBTAINED FROM APPROPRIAT E LOCAL AGEN CY . THE ENGIN EER MUST OBSERVE THE CONSTRUCTED SYST EM BEFORE BACKFILL AND 1EnER OF INSPECTION AS REQUIRED BY THE LOCAL AG ENCY A REQUEST FOR INSPECTION MUS T BE MADE BY THE CONTRACTOR AT LEAST 48-HOUP TH E EXPEC TED TIME OF BACKF ILLI NG . 2. DEM AND CALCUL ATIONS 2A THE E)(ISTING 3 BEDROOM' IS SERVED BY AN EXSTING SEPARATE SYSTEM THIS SYSTEM WILL SERVE A NEW GARAGE/RECREATION ROOM WITH ONE FULL BATHRQQf Ul lLITY SINK. THE SUM OF THESE IS SLIGHTLY LESS THAN A 1 BEDROOM RES ID ENTIAL DWELLING . SO THE SYSTEM \111 Ll BE SI ZE D FOR 1 BEDF 2.B. AVEMGE DAILY WASTEW#.AD VIF ) AND ORGANIC LOAD RATE (BOD•): 2.B 1. SIN GLE FAMILY DWELLJO SA : 75 gpdo & 0.20 BOD, lbs/day AfJWF ~ 1 BEDROOM SONS• 75 gpd = 150 gpd BOO.= 0.20 lbs/day •S = 0.4 0 lbs/daY BOO. mg/L ~ B00."1." 0.40 lbs/day"1.000,000 = 319.B mg/L ADWF 150 gpd"8 .34 CBOO. = BOO. • 0.85ng/L 3 SEPTIC TANI<: 3A THE SEPTIC TANK STOMGC GARAG E SHAL l BE SIZED TO PERMIT DETENTION OF INCOMING WASTEWATER DESIGN FLOWS FOR A MINIMUM OF 48 HOURS . THEREFORE T; TANK SI ZE SHALL BE : 3.A.1. SEPT IC TANI<: 150,gli\S/ 24 HRS) s 300 GALLONS (400 GALLON MINIMUM REQUIRED BY REG #4 3). 3.B. THE TANK IS NOT SUBJEc1ANCY. 3.C. A 1,000·GALLON TWO cO:N T SEPTIC TANK SHALL BE USED WITH A SC REENED ORENGO BIOTUBE PROPAK PUMP PACKAG E (PRESSURE DOSE) 4. ABSORPTION AREA CALC ULATll 4.A. 4.B. GROUNDWATER WAS No>ED IN THE PRORLE PIT.. ACCEPTABLE SOILS wrnAT A DEPTH OF 8-FEET BELOW THE SURFACE ANO ANALYZED BY HEPWORTH -PAWLAK GEO TECHNI CAL, INC. (NOVEM BE R 26 , 2014 ; p~O . 114 013 A) TO BE SOIL TYPE 2A (SANDYLOAM). SOILS AEOVE APPEAR TO BE SOIL TYPE 41J5 (S ILTY CLAY /PLATY) AND HAO A PERCDLATleiLO WER THAN 120 MPI. TH EREFORE, THE ABSORPTION AREA \111LL BE OVEREXCAVATED TO REMOVE THE CLAY , BACKFIL LED WITH FREE] MATER IAL TO A DEPTH OF 3 FEE T BELOW THE SURFACE AND AN UNLINED (O PEN BOTIOM) SAND FILTER INST ALLED THE SYSTEM HAS BEEN 'D FOR THE Gi'fATfR OF THE FOLLOWING LONG TERM ACCEPTANCE MTE (LTAR) CONSIDEMT IONS : 4.C. 4.C.1. 4.C.2. 4.D . SA NO FILTER (BED),RE DOSED: SIZE AD JUSTMENT FAC TOR (SAF) = 1.0 gpdf,l F. RECEMNG SOILS: Tl 2A (S ANDY LOAM ). LIAR = 0.70 gpdf,lF . MINIMU M SOIL TREATMA. A: A= ADWF"SA F 150 • 1 0 = 215 S.F . LTAR JIO gpd1S .F . 5 THIS SYSTEM IS SIZE D FDR T'JOMESTIC WASTES ONLY BACKWASH OR FLUSHING FLOWS FOR REVERSE OSMOSIS UNITS DR WATER SOFTENERS AND/OR FILTERS SHOULD NO'ROOUCED INTO TH IS SYSTEM. 6 CL EAN OUTS ARE REQUIRED ~DUSE AN D AT ALL BENDS AND AT LEAST EVERY 100-F EET BETWEEN THE HOUSE AN D THE SEPTIC TANK. 7. TH E CO NTMC TOR SHALL BE~SIBLE FOR INSTALLI NG ALL WATER TIGHT COMPONENTS THROUGHOUT TH E SYSTEM TO PREVENT INFILTRATION . 8 INS TAL L RIS ERS AS NoCESSllRING AL L ACCESS pORTS TO FINAL GRADE. PORTS SHALL ME MARKED IF CAPS ARE TO BE BURIED 9 IN STAL L 2-IN CHES OF BLUEB <ISU LATIDN, 3-FEET WIDE. OVER SEIVER AND EFFLUENT PIPE WHEREVER DEPTH IS LESS THAN 3-FEET. UND ER NO CIRCUMSTAN CES SHALL Clll.ESS THAN 1-FOD T. 10. SITE PLAN INFORMATION FRCKSURVEY ING INC. 11 . LOCATIONS OF All COMPONIAY BE VARIED AS NECESSARY AS LONG AS ALL MINIMUM DISTANCES AND SLOPES MEET THOSE REQUIRED. 1'0 BALL VIJ:iL_... (_/ S THJJEA-Y' ~MBLY A'o'• =- --------- DRILL 1/4'0 HOLES 48 ' ON CENTER FDR ENT IRE LENGT H OF All LATERALS , SET PIPE SO HO LES ARE ON THE BOTIOM 1•· ..--"<11' -~ 2'0 Pv'C MAN IFOLD ~PE (LEVEL) FLUSH VALVE «1' ..,, II ~: -.........--·~ " 2"0 Pv'C 1"<2' Tee ./ MAN IFOLD PIPE w 2'0 SOLID SCH.40 PVC OR PURE -CORE HOPE FROM THE DOSING PUMP Flush Val ve Sa nd Filter Pressu re Distribution lateral Layout Scal e: N.T.S. Scale N.T.S. r::==---~_____:~ ==--~ '·. FLUSH VALVE o· - ,PERFOMf lONS END PIPES ,._ > ;• .. ' .. .. • ~1 NO TE: 2"0 PERFDMTED SCH.4 0 C DISTRIBUTION LATERAL'· SEE SAND FILTEI SYSTEM NOTES FOR ADl:iTIONAL REQUIREMENTS COM~O .Al ~ VENT & J INSP ECTION PORT, TYP . '···· ?0 SOLID SCH.40 PVC OR PURE-tORE HOPE FROM THE DOSING PUMP () San d Filter Plan View Scale: N.T.S. "' i': N Co ~ 250 SF GMVELJSAND/ RECE IVI NG SOILS AREA FILTER FA BRIC , MIMF I FILTERWEAVE 500 OR ENG INEER APPROVED EQUAL oisrnaunoN LATERAL , TYP . ---- NOTE: SEE SANO FILTER SYS TEM NOTES FOR ADDITIONAL REQU IREMENTS -==- .-..::ef; Scale: N.T .S. Ci vil En g in ee ring '<~ S ur veying ~-& tJJeyomf " "' c. -~ , ..... ,, '? . ,~ eel I 11C · 923 Coo per Avenue Suite 201 G l enwood Springs, CO 81 6 01 tele: 97 0 .945.5252 fax: 970.384.2833 Engineer or Surveyor Seal ~ Clie nt Info rm ation: Gia rd Home s Inc. 143 1 Airport Ra ad Rifle, CD 81 650 970 .230 .1536 NORTH 0 20 ' 40 ' Scale: 1" "" 20 ' Know what's below . Call before you dig. .§ ~ .e ~ ::.:: § ~ ~ ~ &; c a ·;;; ·~ ~ ~ cu (.) c: ~ ·-('-! cu a: ~ ~ (..,) --§ ~ c: q;; --• - • • • • • -• • • ... • - .§ ('a .... ~ (..) ~ cu :;;: ·-c:: ... ~ c:: ~ ~ ~ ell ~ ~ Q t.) le CIO - ~l~I N\~l~l~l~l~\6lm PROJEClNO . 14020 FILE l~AME : 14 020 _ t-ba:.e.~g Des gner : djl'I Dra lt er: djW Dffie 12/3/14 Sheet C.1