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HomeMy WebLinkAboutEngineer PlanF c� m a d- �t- M N CV 0 - LO 0 c O v to m c9 w 5, a du7- r7 I N N LCT iv .G 0 0 v a� 0 a. a a w Of v W .a I 3 v a (N M C) N rn c �3 0 9 0 O M 0 hi E v z SOIL TEST PIT DATA NOT TO SCALE TEST PIT TP-1 GIRD. EL 11.2 SHGW EL N/A EL 9.95 EL 8.95 EL 0.7 EL 0 2 AP LOAMY SAND 10YR 5/1 1 B LOAMY SAND 10YR 6/6 5" EL 10.38 27" EL 9.47 46" EL. 1.5 26" EL 0.8 zn" cl n Z TEST PIT , TP-2 GIRD. EL. 11.3 SHGW EL. 1.5 AP LOAMY SAND 10YR .5/1 B LOAMY SAND 1OYR 6/6 C MEDIUM SAND 2.5Y 7/4 ELEVATION 1.5 USED FOR GROUNDWATER AS SITE IS WITHIN 300' OF THE BASS RIVER AND HISTORIC MONITORING WELLS INDICATE HIGH WATER AT 1.5 NOT TO SCALE REMOVABLE STEEL COVER TO GRADE CONC. RISER 4" 5" 11" 0 0 4 13" 3" &WBOOM ON LEVEL STABLE BASE 6" MINIMUM 3/4" TO 1-1/2- CRUSHED STONE 500 GALLON CONCRETE LEACHING CHAMBER . C H NOT TO SCALE 0 N S I TE SOIL EVALUATION 4" PERFORATED PVC 20" ACCESS COVER W/SCREW CAP TO EXTEND DOWN TO WITHIN 3 INCHES TO NATURAL SUBGRADE OF FINISH GRADE DATE: MARCH 11, 2020 5" DIA. KNOCKOUT (TYP.) TEST BY: BSC GROUP, INC. , WITNESSED BY: PHILIP RENAUD, BOH �- 1-1/2" TAPER, / / LICENSED SOIL EVALUATOR: SWEETSER ENGINEERING °' , CONC. 12-36" COVER I I RISER 11" PERCOLATION RATE: < 2 MINS./INCH 17-71 0 O 17­1 C� O SOIL CLASS: CLASS 1 C] 0 0 0 0 0 O LT.A.R.: 0.74 GPD/S.F. \ 36. EFFECTIVE , 0 22" LEGEND o0 00 000 00 00 DEPTH /^�� 8'-6" 0" UNSUITABLE FRONT VIEW 10,-0" MATERIALS ESTIMATED 118" (TO BE REMOVED) SEASONAL HIGH GROUNDWATER NOTES: SIDE VIEW 126". PERCOLATION OBSERVED HIGH 1. ONE ACCESS COVER PER SYSTEM SHALL BE RAISED TO FINISH GRADE. -� GROUNDWATER 2. CHAMBERS SHALL BE 500 GALLON LEACHING DRYWELL, MANUFACTURED BY SHOREY OR APPROVED EQUAL TEST RANGE = 3. GEOTEXTILE FABRIC MAY BE USED IN LIEU OF DOUBLE WASHED STONE. 132" I I ,� �. �--- 24" ►I PLAN VIEW NOTES: 1. DISTRIBUTION BOX TO WITHSTAND H-20 LOADING. 2. ALL PIPE CONNECTIONS AND CONCRETE CONSTRUCTION SHALL BE WATER'''GHT. 3. FIRST TWO FEET OF PIPES OUT OF DISTRIBUTION BOX SHALL BE LAID LEVEL 4. FILL ALL UNUSED KNOCKOUTS WITH MORTAR. 5. CONCRETE COVER SHALL BE SET WITHIN 6 INCHES OF FINISHED GRADE. VARIANCES REQUESTED TO ALLOW ONE CORNER OF THE SEPTIC SYSTEM TO BE 16.7' FROM THE FOUNDATION WALL IN LIEU OF 20'. A 3.3' VARIANCE IS REQUESTED TOWN OF YARMOUTH NONE 1.1, uue iu �TMC ann Local scpac vanani ird of Health iv%iev% and approval is required future ad(litionsirenu,.ationvr:€Itcrations ,age facilities and/or structures/dhsclJmg. Yartnouth health 1)epartment AROVED �j 44.4 NOT TO SCALE NOTES: 1. SEP11C TANK SHALL BE STEEL REINFORCED CONCRETE. 2. SEPTIC TANK SHALL BE CAPABLE OF WITHSTANDING H-20 LOADING. 3. ALL PIPE CONNEC11ONS 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. 11'-0" 10'-0" 24" DIA. 1484 GAL I - COVERS - - 6'-0" T ( - - - II 967 GAL (6) 5" DIA. KNOCKOUTS TYP. 8" DIA. COVER 24" DIA. COVER (TYP.) COVERS OVER INLET AND OUTLET SHALL BE RAISED TO FINISHED GRADE USING SEWER BRICK AND MORTAR AS NECESSARY 13" t3" r 4'-1" LOCATE LIQUID DEPTH A. TEE UNDER COVER € 6" d- 6'-1" ° ZABEL FILTER a 6" 6" 6'-4" 3'-2" 6" MINIMUM 3/4" TO 1-1/2" CROSS-SECTION VIEW CRUSHED STONE PLAN VIEW N /F GEOFFREY G BLUM TRS DONEGAN L & iILLIS JB TR S 7 RIVER ST ASSESSOR MAP 43 PARCEL 6 AREA OF BUILDING ;REMOVAL TO BE BACKFILLED TO SURROONDING GRADE AND DISTURBED AREAS M1ILL BE LOANED AND SEEDED IF NOT UNDER CONSTRUCTIO N6427'00"W �--C %I/F " EUZAx ETH A HOLMES TRS ELIZAEE'rH A 1-11,1,3ES TRUST N 103A RIVER ST � �3 ASSESSOR MAP 43 PARCEL 4 P, DISTRIBUTION BOX I(IN)=8.79 I(OUT)=8.62 VENT S67'30'00"E 10.00' S24-16-10"W_/ 0.98' N/F DANIEL P Cc BE 11­1 C GORMAN 109A RIVER ST ASSEESi;R MAP 43 PARCEL 3 NOTE: HISTORIC SECTION TO REMAIN. REMAINING RESIDENTIAL BUILDING WITH APARTMENT TO BE REPLACE WITH A RESIDENTIAL BUILDING WITH APARTMENT. N21 *11'00"E 4.92' V�'�r . ,.a 4-500 GALLON CONCRETE LEACHING CHAMBERS TOP OF CHAMBERS=9.50 I(IN)=8.50 BOT OF CHAMBERS=6.50 i if'l J C\t WLAX VM lf.1 L.L.L. 109 RIVER ST ASSESSOR MAP 43 PARCEL 2 LOCUS INFORMATION CURRENT OWNER: WILLIAM A. HEARN TRUSTEE RIVER STREET NOMINEE TRUST LOAM AND SEED TITLE REFERENCE: CERT #230745 ALL DISTURBED AREAS PLAN REFERENCE: L.C. PLANS 15857-A, 15857-B, & 15857-C ASSESSORS MAP: 43 - 2" LAYER OF 1/8" TO PARCEL: 5 1/2" DOUBLE WASHED ZONING DISTRICT: RS-40 STONE ABOVE CROWN OF PIPE SETBACKS: SIDE 30' - 3/4" TO 1-1/2" REAR 20' DOUBLE WASHED STONE TO CROWN MINIMUM LOT SIZE: 40,000 S.F. OF PIPE EXISTING LOT SIZE: 14,461 f S.F. (LOT 2&7) 8,404f S.F. (LOT D) NITROGEN SENSITIVE' ZONE: NOT IN A ZONE 11 FEMA FLOOD ZONE DISTRICT: ZONES "X", "AE-EL11 ", & "VE-EL13" DATED 7/16/2014 PANEL #25001CO589J HOUSE ENTIRELY IN ZONE "X" OVERLAY DISTRICT: NONE EXISTING BUILDING COVERAGE: 2,593f S.F. (17.9%) LOT 2&7 140t S.F. (1.7%) LOT D EXISTING BUILDING COVERAGE: 3.542t S.F. (24.5%) LOT 2&7 140f S.F. (1.7%) LOT D wa NA+ 29 � HEALTH DEPT. GENERAL NOTES 1. THIS PLAN IN ONLY INTENDED FOR THE PERMITTING AND CONSTRUCTION OF THE SEWAGE DISPOSAL FACILITIES AND THE BUILDING ADDITION. 2. 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 OTHER 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 DILL 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 0-20% 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 U11UTY COMPANIES, AND SHALL COMPLETE THE PROPOSED WORK WITHOUT ANY INTERRUPTIONS IN SERVICE. 8. CONTRACTOR IS REQUIRED TO NOTIFY DIG -SAFE, PER MASS. STATUTE CHAPTER 82, SEC11ON 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). SCHEMATIC SYSTEM PROFILE - NOT TO SCALE 4" SCH. 40 PVC ELEV=13.5 L= 33±FT. S= 0.01 TOP FOUNDATION FIRST PIPE LENGTH TO BE SET LEVEL FINISH GRADE EL. 12.Ot 4" SCH. 40 PVC FOR MIN. 2' 11.1-11.4 L=21f FT. " VENT S=0.02 4SCH. 40 PVC /RCOAL FILTER :. DISTRIBUTION NOSEPTIC TANK BOX TE: • MAGNETIC REFLECTIVE TAPE SHALL BE PROVIDED IN THE TRENCH OVER ALL PVC PIPING I `- LEACHING 5.0 SEPARATION CHAMBERS ELEV= 1.5 ESTIMATED S.H.G.W. DESIGN CALCULATIONS DESIGN FLOW 4 BEDROOMS ® 110 GPD/BEDROOM = 440 GPD REQUIRED SEPTIC TANK 440 GPD X 200% = 880 GALLONS USE 1,500 GALLON SEPTIC TANK SIZE OF REQUIRED LEACHING FACILITY DESIGN PERC. RATE: <2 MIN/INCH LONG TERM APPL. RATE: 0.74 GPD/SF 440 GPD _ 0.74 GPD/SF = 595 SF SIZE OF LEACHING FACILITY PROVIDED USE (3) 500 GALLON H-20 CONCRETE LEACHING CHAMBERS IN TRENCH CONFIGURATION WITH 2.5' STONE ON ENDS AND 4' STONE ON SIDES. BOTTOM AREA: 40' X 10' = 400 S.F. SIDEWALL AREA: 2 X (2 X (40' + 10')) = 200 S.F. EFFECTIVE LEACHING AREA = 600 S.F. 600 S.F. X 0.74 GPD/S.F. = 444 GPD (INSTALLED CAPACITY) 444 GPD > 440 GPD (4 GPD RESERVE CAPACITY PROVIDED) WILLOW ST J 3 0 J LOCUS m LOCUS MAP NOT TO SCALE OF ilf cis`• �G " ... „: .; .... 0SIAN d... YERGATiAId CIVIL. ' 206 tiNAL I 10/25/22 BRIAN G. YERGATIAN DATE PROFESSIONAL ENGINEER SEPTIC SYSTEM REPAIR 103 & 104 RIVER STREET IN YARMOUTH MAS SAC H U S ETTS (BARNSTABLE COUNTY) SEPTIC REPAIR PLAN OCTOBER 25, 2022 NO. DATE DESC. PREPARED FOR: WILLIAM A. HEARN CURRAGH DOBBIN, INC. P.O. BOX 146644 BOSTON, MA 02114 B`C 'UP 349 Route 28, Unit D W. Yarmouth, Massachusetts 02673 508 778 8919 © 2022 BSC Group, Inc SCALE: 1" = 20' 0 10 20 40 Fm FILE: Projects-YAR\5071300\C\D\50713-SP.dwg DWG. NO: 6851-04 SHEET 1 OF 1 JOB. N0: 50713.00