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HomeMy WebLinkAboutOWTS Design_1\-�\ -- \ _ ------------------------ - -- - - --_ r - - - - - - - m� 00 ��O N 30' ACCESS, TELEPHONE & WATERLIit EASEMENT \ V -i i -- j --- d c N HORSE ALKING MACHINE 7'G E _J\ \ \ �00 (EXISTING) WELL & WATERLI E \ \ I I EASEMENT U? \ I 30'X 60' \ \ \ \ F 2g0 5�\NGT E 4% o x n \ I \\ \ Iy 7'" Q x F�F.0>ow Now r- %�� �`NG GRASS O Z: ! T n 1 P \ O PASTURE r� l > m 1 Y I \ \ 1 5\ NGl w 0 00 06 I I W! F I o CD ON \ 00 GRAVELLli - PARKING (EXISTING) - 1 CLEANOUT AND TIE TO 4" PVC SEWER PIPE FROM RESIDENCE Lau J I \LU \ � N j N 1 1 1 i SEE LE ENG DWGS. f -Z/ I l \ \ 11 PR&O$AD - �� 1 EJJLOWER TOR BY OTHERS) VEL WILL D C ¢' I 1 1 1 � a m m \ 1 GTPA �- i 1 1 4" PVC SEWER PIPE cc J I I \\ a \ 1 1 ® 2%. FITTINGS AND BENDS AS NEEDED o� \ tC R SE I \ POWER AND SIGNAL j 1 W- I S01043'30"W 67.36' i L \ CONDUITS TO DOSING 1� 67.36' PUMPS CONTROLLER > Z a 1 1 INV.10 A♦ . V 1 � -3.10 W ' r---------� POSED ` 0 � DRIVEW 1 SEPTIC & DOSING TANK SETBACKS: MW INV=FFE 5 FROM DWELLING OCCUPIED BUILDING ■� INSTALL 1,500 gal. SEPTIC -2.1 1 0 10' FROM WATER LINE j l TANK, SEE DETAILS 0 10' FROM PROPERTY LINE 1 , 1 \ CON PVC 10' FROM LINED DITCH W j ) \ CONDUITS IN 3 10' FROM TOP OF BANK � r f 1 I \ 50' FROM WELL 50' ENCASEMENT OF SEWER LINE REQUIRED. CENTER \ SLE or�xlcAL + INV=FFE / (n rn ENCASEMENT, 25' EACH SIDE OF WATER LINE. GLUE -3.5 / CAPS I } y �0 S U C�TI0�1 SPECIFICATIONS WATERTIGHT 4- SCH 40 TO ENC WDS OF E ENCASEMENT SCH 40 RIGID D PIPE. DRILL INSTALL DOSING\ L j1. Topsoil shall be stripped, stockpiled and replaced over all disturbed areas. Existing trees and 3 HOLES IN END CAPS TO ACCOMMODATE 1-1/2" +TANK, SEE DETAILS \ CONTRACTOR TO POTHOLE EXISTING WATER AND 0 )shrubs shall remain unless otherwise approved by the Owner; existing vegetation shall not be w SEWER LINE SO THAT THE 1-1 2" PIPE RESTS ON �/ \ UTILITY LINES PRIOR TO BEGINNING CONSTRUCTION I disturbed beyond the necessary limits of the construction, ? TO VERIFY LOCATION, DEPTH, AND ROUTING OF G/ o THE BOTTOM OF THE ENCASEMENT PIPE. SEAL / PROPOSED IMPROVEMENTS. CONTACT ENGINEER 5��� O 2. All disturbed areas shall be revegetated by the Owner. " �! LOT 20 1-1/2 PIPE IN THE HOLES WITH SEALANT _ _ FOR DESIGN ALTERNATIVES IF NECESSARY. 1% V 3. The site shall be graded so that runoff water does not drain .onto the leach field surface. W 4. Construction shall conform to Garfield County Regulations. ) APPROVED FOR PVC IN UNDERGROUND APPLICATION. I 5. Chris Hale, Mountain Cross Engineering, Inc. shall be notified of the construction progress so \ / X366 V 0 the system may be inspected. Do not backfill over any system components until they have been inspected. / ESTIMATED l6. Sewer piping shall be bedded and initially backfilled with gravel 4 inches under piping and 6 ©TEST HOLE inches on top of piping. Backfill shall be wheel -roll compacted. Piping shall be installed watertight ' and to prevent freezing. and \ / 7. The septic tank shall be precast concrete, set level on a bed of gravel. Install the tank in / 1-1/2" SCH 40 PVC SEWER / \ / accordance with the manufacturer's recommendations. PIPE FITTINGS &BENDS AS / / \ 1 8. The septic tank capacity must be at least the size specified. 0 `c>J © INV=FFE NECESSARY ®2% MIN. SLOPE 0, \ 9. The septic tank inlet must be at least 3 inches higher than the outlet. An inlet tee or baffle > m 7 -1.5 BACK TO DOSING TANK must extend above the surface of the liquid to within 1 inch of the bottom of the tank top and m 9T�F�c� must extend at least 14 inches below the inlet. full 10. A filter is required on the final outlet tee or at some paint between the septic tank and \ ��C;) absorption field so that only the liquid effluent will be discharged. Other outlet tees or baffles LEACH FIELD SETBACKS: must extend above the surface of the liquid to within one inch of the underside of the tank top. 100' FROM WELL \ S�'�N, Tees must extend at least 14 inches below the outlet. 11. The distance from the septic tank outlet to the underside of the tank top must be at least INSTALL FLUSH VALVES INV=FFE G 25' FROM WATER LINE \ T Ong 10 inches. (4), SEE DETAILS -7.5 OF(�N 20' FROM DWELLING OCCUPIED BUILDING 12. Liquid depth must be at least 30 inches and must not exceed the septic tank length or 60 \ SNE G 10' FROM PROPERTY LINE \ inches, whichever is less. a ��\S��N 10' FROM LINED WATER BODY \ 13. A septic tank must have two or more compartments (or more than one tank in series to / ` 5' FROM SEPTIC TANK \ provide the necessary capacity). The first compartment must be at least as large as the second / compartment. 14. The transfer of liquid from the first compartment to the second or successive compartment must be made at a liquid depth of at least 14 inches below the outlet invert, but not in the sludge zone. , m / INSTALL LEACH 15. At least one access no less than 20 inches across must be provided in each compartment of f / FIELD, SEE DETAILS a tank. 16. The opening cover of a septic tank, inspection port, or sampling access port must be / 4" o / marked and must be no more than 8 inches below the finished grade. It must be made of / �z �\ \ / yr materials resistant to degradation from moisture or sewer gases. / ymS� �-- ------.,� 17. Pipe meeting or exceeding ASTM standard 3034 properly supported to prevent failure by � ,./" �� \ / / N W settlingmust extend from the septic tank at least five 5 feet from the inlet and outlet ends. % O 1•.. / • M 18. Alwastewater lines used mut be constructed of compatible pipe, bonding agent, and fittings. m A/3C'126 / ® Ui Ui U RAD; 5 `� \ / The following may be used: plastic pipe and fittings with a minimum wall thickness of ASTM �2S0p, \4 / Standard 3034, SDR35, or equivalent, perforated distribution pipe surrounded by rock within a soil absorption system with a minimum wall thickness conforming to ASTM Standard 2729; or / /� m r \. \\ / corrugated polyethylene pipe with smooth interior meeting ASTM F405 and AASHTO M252 / 2 \ \ / / specifications or equivalent. Tile, open -joint pipe, and cast iron pipe may not be used in OWTS's. / Know what's below. m 19. All components, work, equipment, and material must be designed, operated and maintained so Z \ / / Call before you dig. as to comply with the minimum requirements of the applicable and current Plumbing, Electrical, to Building or other code in force on the date of the OWTS Permit Application. 20. Major components not constructed on the site where installed must have a permanent plate or / 'v other indelible marking, easily read and visible, for the purpose of inspection, to include name of / \ SF 20 DATE manufacturer, model or serial number designation, and maximum design capacity of the unit. / 20 .o 21. Gravel shall be clean, screened rock ih" to 2-�h" in size. 9 p y / \ fig. o�o�c \ _ 06/11/21 22. Tanks, treatment units, and piping material must be watertight and must be certified by the / SCALE' 1 2� SCALE Water Quality Control Division of the Colorado Department of Public Health and Environment. Under / \ \ 1 "=20' certain circumstances, the Department may require the tank be filled with water prior to backfill to check for leaks. \ ENGINEER -23. The ground over any part of the OWTS must be restricted to activity or use that will allow the \ \ system to function as designed and that will not contribute to compaction of the soil or to the ° ° C. HALE structural loading detrimental to the capability of the component to function as designed. \ DWG FILE 'Driveways, parking areas, storage buildings, large animal confinement areas and other similar uses \ may not be placed on or above an OWTS disposal field. LOrIOt eSlgn 24. Machine tamping, rolling, or hydraulic compaction of final cover is not permitted, however, hand tamping may be allowed where necessary to stabilize the soil to prevent erosion or the \ \ intrusion of extraneous water. JOB \ `� 517-022 LOT 15 \ \ SHEET \ C1\ F UNIC BRASS OR CAST IRON CAP AND COVER 1 PROVIDE ADEQUATE SUPPORT FOR PIPE 1— 'X1— " CONCRETE BEFORE AND DURING SUPPORT BACKFILLING TEE. ENCASE WYEIN CONCRETE SUPPORT 1 --INCH SCH 40 PVC SLO CONCRETE MIN. 1/4" PER FOOT BACK — - DOSING TANK, FITTINGS AN[ _J BENDS AS NECESSARY.(TY 1- INCH SCH 40 PVC CLEANOUT DETAIL, Not to Scale 1—INCH BALL VALVE W/ THREADED END 12"4 ROUND IRRIGATION VALVE BOX INCH SCH 40 PVC 1—INCH SWEEPING 90' BEND FLUSH VALVE DETAIL Not to Scale REMOVEABLE CAP 4" SOLID PIPE JPIPE. 4" PERFORATEDPVC CAP BOTTOM OF BED T & INSPECI Not to Scale 1 -4 VENT HOLES Ys" 0 MIN. 4" UNION IN _ _WELL DETAIL RISERS TO GRADE AS NEEDED (TYPICAL) PROPOSED BUILDING 4" CLEANOUT GRADEVARIES) 1500 GALLON TWO COMPARTMENT TOP SEAM SEPTIC TANK, PER VALLEY PRECAST OR APPROVED EQUAL 4—INCH SDR35 PVC SEWER AT MIN. 1/4" PER FOOT SLOPE (TYP) FILTER W/ HANDLE FLEXIBLE COUPLING DOSING TANK W/ DUPLEX PUMPS IN PRECAST MANHOLE 4'0 x 12.5' TALL OWTS PROFILE Not to Scale OWTS DESIGN CALCULATIONS McCARTY RESIDENCE: 5 BEDROOMS DESIGN FLOW PER GARFIELD COUNTY TABLE 6-1 = 600 gpd USDA SOIL TYPE IS R-0, LTAR ASSUMED BASED ON SECONDARY SAND MEDIA = 0.80 gal./day/sq.ft. PER GARFIELD COUNTY TABLE 10-1 & 10-11A.. MINIMUM ABSORPTION AREA = 600 gpd / 0.8 gal./day/sq.ft. = 750 sq.ft. THREE FEET OF SAND FILTER REQUIRED FOR TL1. NO REDUCTIONS ALLOWED. USE LEACH FIELD AREA = 750 sq.ft. REQUIRED SEPTIC TANK VOLUME = 1,500 gallons PER GARFIELD COUNTY TABLE 9-1 DOSING FREQUENCY = 4 doses/day DOSE VOLUME = (600 gpd) / (4 dpd) = 150 gallons/dose = 19" IN 4'0 MANHOLE. PUMP ON AND OFF FLOATS 19" APART. PUMP(S) TO BE 30 GPM AT 35' TDH. INSPECTION PORT GRADE (VARIES) LEACH FIELD. SEE DETAILS 1-1/2 INCH SCH80 PVC SEWER. AT SLOPE TO DRAIN BACK INTO TANK "HIGH LEVEL ALARM" 43" FROM BOTTOM "LAG PUMP ON" 37" FROM BOTTOM "LEAD PUMP ON" 31" FROM BOTTOM "PUMP(S) OFF" 12" FROM BOTTOM CONTROL BOTTOM OF GRAVEL = 11NCH SCH 40 PVC PROVIDE ONE AT EACH CORNER TOP OF SAND = DRILL TEN J"6 HOLES AT 72" O.C. DESIGN AREA = FIRST AND LAST HOLES TO BE 51" .LEACH FIELD 62.5'X12'= 600 sq.ft. FROM EDGES OF SAND BED. PLACE HOLES FACING DOWN, PIPE - SET LEVEL (TYP) Not to Scale TOPSOIL COVER, GRADE TO DRAIN INSPECTION PORT z FLUSH VALVE Zm W/ DBE ALTERNATE LEADILAG PUMP 1" PVC PIPES, LEVEL (TYP COVER OVER GRAVEL WITH 2..0 OUNCE PER SQUARE YARD NON—WOVEN PERMEABLE GEOTEXTILE FABRIC 10 M11 L } r, 36" MIN. OF SAND WITH THE FOLLOWING PROPERTIES EFFECTIVE SIZE: 0.25-0.60 mm UNIFORMITY 'COEFFICIENT: 5 4.0 36 MIN, PERCENT FINES PASSING #200 SIEVE: S 3.0 SAND GRADATION TEST RESULTS CONFORMING TO THE ABOVE PARAMETERS MUST BE OBTAINED FROM GRAVEL PIT BY CONTRACTOR AND GIVEN TO ENGINEER. GRADATION MUST BE DATED NO MORE THAN ONE MONTH PRIOR TO INSTALLATION DATE. 1 L SCARIFY & ROUGHEN SURFACE SECTION A - A PRIOR TO PLACEMENT OF SAND Not to Scale "SECOND PUMP ON" TURN LAG PUMP ON "PUMP OFF" TURN PUMP(S) OFF "HIGH LEVEL ALARM" MIN. 6" OF GRAVEL BELOW PIPES AND 2" OF GRAVEL ABOVE PIPES GRAVEL TO BE CLEAN GRADED GRAVEL FROM j" TO 24" IN PARTICLE SIZE. [ION (TYP.) FLUSH VALVE SEE DETAIL (TYP.) II \ IHATCH AND FRAME, VERIFY S JUNCTION BOX W/ 2LCjjSIZING APPROPRIATE FOR 4'0 MH. ELECTRIC DISCONNECTS ROTATE AND ORIENT LID AND HATCH TO PROVIDE GREATEST 2-2" PVC ELECTRICAL CONDUITS POSSIBLE ACCESS TO LIFTING RAILS. ' TO CONTROLLER, POWER, ALARM, VENT TO OUTSIDE AND STROBE. SPRAY FOAM ENDS PER APPLICABLE OF CONDUITS. COORDINATE W/ PLUMBING CODES ELEC. FOR CONTINUATION FIFE —0.5' "FIRST PUMP ON" • NOTE: ATTACH LIFTING CHAINS TO IN ADDITION, PUMP CONTROLS SHALL BE LOCATED TURN LEAD IN THE BUILDING IN AN EASILY ACCESSIBLE PUMP ON TOP OF THE GUIDE RAILS LOCATION. ALARM AND STROBE SHALL BE SEEN 0 U T H AND HEARD FROM THE BUILDING EXTERIOR. NOW 2) S.S. EXT. HANDLES & BRKTS. CONTROLLER SHALL INCLUDE OVERLOAD HEATERS, � N U HOUR METERS, LIGHTENING ARRESTOR, w S! s L TIME—DELAY FUSES, HAND—OFF—AUTO SWITCHES, 31" FROM BOTTOM (2) 1-1/2" PVC SCH80 MALE ADAPTERS "PUMP(s) OFF" PUMP ALTERNATOR, PUMP LEAD/LAG/ALTERNATE o E � SELECTOR SWITCH, RED ALARM LIGHT WITH A s O O 3 U b AND PITILESS ADAPTERS TEST BUTTON, AND MOTOR MINDERS OR OTHER ELECTRIC WIRING FOR s ao Ln PUMP MONITORS FOR VOLTAGE PROTECTION, (2) 1-1/2" BRASS GATE VALVES MIN. (2) EFFLUENT PUMPS, ENGINEER OVERCURRENT, UNDERCURRENT, ETC. 30 GPM ® OPERATING 35' TDH w INSTALLATION SHALL BE IN CONFORMANCE WITH a o • (TYP) WITH SPRAY FOAM APPLICABLE ELECTRICAL CODES. ALARM AND O a a j SET THE 1-1 /2" PVC SCH80 TEE STROBE TO BE EQUIPPED WITH A LATCH—IN LariatDesign W in Ln SWITCH WITH A MANUAL RESET BUTTON. TURNS ON TURN ON LAG PUMP SEALFAILURE PUMP 1 OR 2 TURN ON ALARM HEAT SENSOR PUMP 1 OR 2 URN OFF ONTROL LOGIC SCHEMATIC r rN • s i- is ATTACH LIFTING CHAINS TO 37" FROM BOTTOM TOP OF THE GUIDE RAILS 0 U T H NOW 2) S.S. EXT. HANDLES & BRKTS. � N U w S! s L 1 31" FROM BOTTOM (2) 1-1/2" PVC SCH80 MALE ADAPTERS "PUMP(s) OFF" m o E � (2) 1-1/2" BASE ELBOWS s O O 3 U b AND PITILESS ADAPTERS MSI ELECTRIC WIRING FOR s ao Ln PUMP STANDS PER (2) 1-1/2" BRASS GATE VALVES MIN. (2) EFFLUENT PUMPS, ENGINEER PUMPS AND SWITCHES 30 GPM ® OPERATING 35' TDH w r- 4) s y a o • (TYP) WITH SPRAY FOAM DWG FILE O a a j SET THE 1-1 /2" PVC SCH80 TEE BASE LariatDesign W in Ln JOB DOSING N m 517-022 O SHEET u7 W a 04 04 Z Z - DRILL 1/4"0 HOLE IN PIPE TO 00 0. "LAG PUMP ON" (2) LIFTING CHAIN ATTACHED TO PUMP ATTACH LIFTING CHAINS TO 37" FROM BOTTOM TOP OF THE GUIDE RAILS O O O O 2) S.S. EXT. HANDLES & BRKTS. 1 1 31" FROM BOTTOM (2) 1-1/2" PVC SCH80 MALE ADAPTERS "PUMP(s) OFF" 1 � � (2) 1-1/2" BASE ELBOWS b AND PITILESS ADAPTERS 36° ELECTRIC WIRING FOR • No Scale PUMP STANDS PER (2) 1-1/2" BRASS GATE VALVES MIN. (2) EFFLUENT PUMPS, ENGINEER PUMPS AND SWITCHES 30 GPM ® OPERATING 35' TDH BURY 48" 4 MANHOLE • (TYP) WITH SPRAY FOAM DWG FILE SET THE 1-1 /2" PVC SCH80 TEE BASE LariatDesign 1 "LAG PUMP ON" (2) LIFTING CHAIN ATTACHED TO PUMP ATTACH LIFTING CHAINS TO 37" FROM BOTTOM TOP OF THE GUIDE RAILS O O O O 2) S.S. EXT. HANDLES & BRKTS. O O O O DATE 31" FROM BOTTOM (2) 1-1/2" PVC SCH80 MALE ADAPTERS "PUMP(s) OFF" (4) t" S.S. GUIDE RAILS 06/11/21 12" FROM BOTTOM (2) 1-1/2" BASE ELBOWS SCALE AND PITILESS ADAPTERS 36° ELECTRIC WIRING FOR (2) 1-1 /2" TO 1-1 /4" REDUCER No Scale PUMP STANDS PER (2) 1-1/2" BRASS GATE VALVES MIN. (2) EFFLUENT PUMPS, ENGINEER PUMPS AND SWITCHES 30 GPM ® OPERATING 35' TDH BURY 48" 4 MANHOLE (TYP) WITH SPRAY FOAM DWG FILE SET THE 1-1 /2" PVC SCH80 TEE BASE LariatDesign TO SEAL ODORS JOB DOSING TANK - ELEVATION 517-022 SHEET u7 BRACKET FOR PVC C2 - DRILL 1/4"0 HOLE IN PIPE TO w AND FLOAT TREE FIFE — 35 DRAIN LINE BACK INTO BASIN rn M ® 0 GRAVITY SS 2.0% MIN. MAINTAIN POSITIVE i-1/2" PVC SCH80 UNION o C) FROM SEPTIC TANK GRADE ON PIPE � 12" MIN. ABOVE "HIGH WITHOUT w LEVEL ALARM" FLOAT(2) - 1-1/2" PVC SCH80 ELBOWS INTERMEDIATE LOW OR HIGH POINTS (2) 1-1/2" CI BALL CHECK VALVES y m "HIGH LEVEL ALARM" ro (2) 1-1/2" PVC SCH80 UNIONS 43" FROM BOTTOM LO "LAG PUMP ON" (2) LIFTING CHAIN ATTACHED TO PUMP W � 37" FROM BOTTOM o "LEAD PUMP ON" 1-1/2" PVC SCH80 DISCHARGE PIPE DATE 31" FROM BOTTOM (2) 1-1/2" PVC SCH80 MALE ADAPTERS "PUMP(s) OFF" 06/11/21 12" FROM BOTTOM (2) 1-1/2" BASE ELBOWS SCALE AND PITILESS ADAPTERS FFE —7.92 (2) 1-1 /2" TO 1-1 /4" REDUCER No Scale PUMP STANDS PER (2) EFFLUENT PUMPS, ENGINEER RECOMMENDATION 30 GPM ® OPERATING 35' TDH OF MANUFACTURER 48" 4 MANHOLE C. HALE DWG FILE SET THE MANHOLE LEVEL ON A GRAVEL BASE LariatDesign JOB DOSING TANK - ELEVATION 517-022 SHEET Not to Scale C2