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Home My WebLink AboutEngineer PlanSOIL TEST PIT DATA NOT TO SCALE TEST PIT TP-1 GIRD. EL 99.1 SHGW EL 88.1 I EL 97.0 I EL 96.3 I EL. 88.1 FILL B LOAMY SAND 10YR 5/3 TEST PIT TP-2 GRD. EL 99.3 SHGW EL - FILL 25* EL 97.4 23- LOAMY SAND 10YR 5 13 34!' C MEDIUM SAND 1 OYR 7/4 NO GROUNDWATER OBSERVED 132" REMOVABLE COVER EL 96.3 EL 94.3 //z/z/zzz/z/z 36" uo C MEDIUM SAND 10YR 7/4 0600 NO GROUNDWATER EL. 89.3 OBSERVED 120* 6" MAX. HOPE RISER 0 WALLS • 21" (5) 5- DIA. 13" KNOCKOUTS L TYP. NOTES 1. PROVIDE INLET TEE OR BAFFLE WHERE SLOPE OF PIPE EXCEEDS 0.08 FT,/FT OR IN PUMPED SYSTEM. 2. FIRST TWO FEET OF PIPE OUT OF DIST. BOX TO BE LAID LEVEL 3. ALL PIPE CONNECTIONS AND CONCRETE CONSTRUCTION SHALL BE WATERTIGHT. 4. FILL ALL UNUSED KNOCKOUTS WITH MORTAR. 5. CONCRETE COVER SHALL BE RAISED TO WITHIN 6 INCHES OF FINISHED GRADE. L I DESIGN CALCULATIONS 3 BEDROOMS 0 110 GPD/BEDROOM = 330 GPD .REQUIRED SEElIQ TAN 330 GPD X 200% = 660 GALLONS USE 1,500 GALLON SEPTIC TANK SIZE OF REQUIRED LEACHING FACI DESIGN PERC. RATE* <2 MIN/INCH LONG TERM APPL RATE. 0.74 GPD/SF 330 GPD + 0.74 GPD/SF - 446 SF SIZE OF LMHING FACILITY PROVIDED USE (3) 500 GALLON H-20 CONCRETE LEACHING CHAMBER IN TRENCH CONFIGURATION WITH 4' STONE ON ENDS AND 2' STONE ON SIDES. BOTTOM AREA: 33.5' X 8.83' = 295.8 S.F. SIDEWALL AREA. 2 X (2 X (33.5- + 8.83')) = 169.3 S.F. EFFECTIVE LEACHING AREA = 465 S.F. 465 S.F. X 0.74 GPD/S.F. = 344 GPD (INSTALLED CAPACITY) 344 GPD > 330 GPD (14 GPD RESERVE CAPACITY PROVIDED) NOT TO SCALE NOTES 1. SEPTIC TANK SHALL BE STEEL REINFORCED CONCRETE. 2. SEPTIC TANK SHALL BE CAPABLE OF WITHSTANDING H-1 0 LOADING. 3. ALL PIPE CONNECTIONS AND CONCRETE CONSTRUCTION SHALL BE WATERTIGHT. 4. TEES SHALL BE SCH, 40 PVC AND SHALL BE LOCATED WITHIN 12* OF TANK WALL AND ACCESSIBLE FROM TANK COVER. 5. FILL ALL UNUSED KNOCKOUTS WITH HYDRAULIC CEMENT. 101-6" - lo'-oll F- - - - - - - - - - - - - 5*-8" I- - - - - - - - - - - - ONSITE SOIL EVALUATION DATE: AUGUST 3. 2022 TEST BY. BSC GROUP, INC. WITNESSED BY: BRUCE MURPHY LICENSED SOIL EVALUATOR: TODD MACDONALD PERCOLATION RATE: < 2 MINS./JNCH SOIL CLASS: CLASS I L.T.A.R., 0.74 GPD/S.F. LEGEND UNSUITABLE r/ /A MATERIALS �1111A (TO BE REMOVED) PERCOLATION ESTIMATED TEST RANGE SEASONAL HIGH GROUNDWATER '�OPERT 1N PARCEL 91 RAISE AT LEAST ONE EXISTING COVER TO WITHIN 6" OF FINISHED GRADE THE RISER SHALL BE 18" HDPE PIPE r- CONC. COVER IF 10" 3 4' MIN, i;41 r..j LIQUID 51- 4'-6" LOCATE DEPTH INLET TEE OUTLET TEE UNDER COVER W/GAS BAFFLE 3" 3" CROSS-SEUON VIEW 6" MINIMUM 3/4- TO 1-1/2" CRUSHED STONE A L E;%Ii!S T"NG LOT gs 3u.Uu NOT TO SCALE 4" PERFORATED PVC W/SCREW CAP TO EXTEND DOWN TO NATURAL SUBGRADE 5- DIA. KNOCKOUT (TYP.) 20* ACCESS COVER TO WITHIN 3 INCHES OF FINISH GRADE 1-1/27 TAPER CONC. 12-36" COVER RISER mm mm r-lom mm mm r--im MC3 mm= = m 0 CIO mm =M= OCI C7O 36" m 17-71 r__l 17-11=1 mmm 24" r__l m Cl EFFECTIVE m r__l m m 17-1 00 [--Ir-,= =1 M Cl Cl DEPTH C=I r m E: m r 'p 4'-1 0* FRONT VIEW NOTE SIDE VIEW 1. ONE ACCESS COVER PER SYSTEM SHALL BE RAISED TO FINISH GRADE. 2. CHAMBERS SHALL BE 500 GALLON LEACHING DRYWELL, MANUFACTURED BY SHOREY OR APPROVED EQUAL 3. GEOTEXTILE FABRIC MAY BE USED IN LIEU OF DOUBLE WASHED STONE Cil-IRISTIAN D. VAR'A ASSESSORS NIAP 37 PARCEL 090 PROPOSED GAS SERVICE V I-) PROPOSED WATER SERVICE EX!S77t4G LEA G 0,7STING In D 1,11ELLIM,�' 7f 15 LOCUS INFORMATION CURRENT OWNER: FELIX TORRES & THEODORA DIMITROVA-TORRES TITLE REFERENCE: DEED BOOK 29437, PAGE 150 LOAM AND SEED PLAN REFERENCE: 695-8 ALL DISTURBED AREAS ASSESSORS MAP: 37 PARCEL- 92 & 93 ZONING DISTRICT: R-25 - 2- LAYER OF 1/8- TO SETBACKS: FRONT 30' 1/2- DOUBLE WASHED SIDE 15' STONE ABOVE CROWN REAR 20' OF PIPE OVERLAY DISTRICT: NONE - 3/4!' TO 1-1/2- DOUBLE WASHED NITROGEN SENSITIVE STONE TO CROWN ZONE: NOT A ZONE 11 OF PIPE FEMA FLOOD ZONE DISTRICT: -X-, DATED 7/16/14 PANEL #25001C0567J MINIMUM LOT SIZE: 25,000 S.F. EXISTING LOT SIZE: 9.000± S.F. PROPOSED BLD. COVERAGE: 1,878± S.F. (21%) GENERAL NOTES 1. THIS PLAN IS INTENDED FOR THE PERMITTING AND CONSTRUCTION OF THE SEWAGE DISPOSAL FACILITIES AND THE ASSOCIATED SITE WORK. I ALL CONSTRUCTION METHODS AND MATERIALS SHALL CONFORM TO 310 CMR 15.000 AND YARMOUTH BOARD OF HEALTH REGULATIONS. 3. THERE ARE NO KNOWN OR PROPOSED PRIVATE WELLS LOCATED WITHIN 150 FT. OF THE PROPOSED LEACHING FACILITY. 4. IF AN OVERDIG IS SPECIFIED, REMOVE ALL TOPSOIL, SUBSOIL AND 0111ER UNSUITABLE MATERIALS. 5. IF AN OVERDIG IS SPECIFIED, REPLACE ALL EXCAVATED MATERIALS WITHIN THE LIMIT OF EXCAVATION WITH CLEAN GRANULAR SAND, FREE FROM ORGANIC MATERIAL AND DELETERIOUS SUBSTANCES. MIXTURES AND LAYERS OF DIFFERENT CLASSES OF SOIL SHALL NOT BE USED. FILL SHALL NOT CONTAIN ANY MATERIAL LARGER THAN 2 INCHES. A SIEVE ANALYSIS USING A #4 SIEVE SHALL BE PERFORMED ON A REPRESENTATIVE SAMPLE OF FILL UP TO 45% BY WEIGHT MAY BE RETAINED ON THE #4 SIEVE. SUCH ANALYSES MUST DEMONSTRATE THAT THE MATERIAL MEETS EACH OF THE FOLLOWING SPECIFICATIONS: 100% MUST PASS #4 SIEVE 10% MUST PASS #50 SIEVE 0-207. MUST PASS #100 SIEVE 0-5% MUST PASS #200 SIEVE 6. EXISTING UTILITIES WHERE SHOWN ON THE PLANS ARE APPROXIMATE. THE ENGINEER DOES NOT GUARANTEE THEIR ACCURACY OR THAT ALL SUBSURFACE STRUCTURES ARE SHOWN. CONTRACTOR SHALL VERIFY THE SIZE, LOCATION AND ELEVATION OF INVERTS OF UTILITIES AND STRUCTURES, WITHIN THE LIMIT OF WORK, PRIOR TO THE START OF CONSTRUCTION. IF ANY DISCREPANCIES ARE DISCOVERED OR FIELD CHANGES REQUIRED, THE CONTRACTOR SHALL NOTIFY THE ENGINEER IMMEDIATELY. 7. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROPERLY COORDINATING THE PROPOSED CONSTRUCTION ACTIVITIES WITH DIG -SAFE AND THE APPLICABLE UTILITY COMPANIES, AND SHALL COMPLETE THE PROPOSED WORK WITHOUT ANY INTERRUPTIONS IN SERVICE. & CONTRACTOR IS REQUIRED TO NOTIFY DIG -SAFE, PER MASS. STATUTE CHAPTER 82, SECTION 40 (1-888-344-7233) A MINIMUM OF 72 HOURS PRIOR TO THE START OF CONSTRUCTION. 9. THIS SYSTEM IS NOT DESIGNED FOR THE USE OF A GARBAGE GRINDER. INSTALLATION OR USE OF A GARBAGE GRINDER AT THIS PROPERTY IS NOT ALLOWED PER 310 CMR 15.240(4). 10. THE WATERLINE SHALL BE SLEEVED OR RELOCATED PRIOR TO CONSTRUCTION OF THE RESERVE AREA (IF NEEDED). vF w I � F_ "IV W-1 V W_ t-ICHING FIELD 33.5'X8.83' (3) - 500-GALLON LEACHING CHAMBERS TOP OF CHAMBERS=96.60 INV. IN=95.60 f-wi n nz INV. OUT=93.60 j 44 Pu2LIc- qof!111Dc G SYSTEM PROFILE. NOT TO SCALE EL-101.0 TOP FOUNDATION - EL. 100.0+�L4=" SJCOH± FT. . OPVC S= 0.02 I= 95.95 I= 95. 4:* SCH. 40 PVC L- 4 FT. S= 0.02 FIRST PIPE LENGTH TO BE SET LEVEL FOR MIN. V /--4.' SCH. 40 PVC 71 m �--1 �# Nm. SEPTIC TANK BOX MAGNETIC REFLECTIVE TAPE SHALL BE PROVIDED IN THE TRENCH OVER ALL PVC PIPING FINISH GRADE 99.1 - 99.6 5.70 EL 93.6 t \_ LEACHING 5.5' SEPARATION CHAMBERS ELEV= 88.1 1 ESTIMATED S.H.G.W. (BOTTOM OF TEST PIT)