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Home My WebLink AboutSite Layout and System Design- Not approved2 I 3 4 I 5 6 7 g 9 I 10 12 I 13 I 14 I_ D R /J� � ( T C D T TOPOGRAPHY BASED ON BENCHMARK AND DATA GENERAL.NOTES a V I! 1\ 1 D - - under the sins and penalties of perjury, that the 1. THIS PLAN IS INTENDED FOR THE DESIGN OF THE SEWAGE DISPOSAL SYSTEM ONLY AND IS NOT TO BE USED TO ESTABLISH NEW OR EXISTING PROPERTY LINES OR DWELLINGS. COLLECTED BY REFERENCED WATER LTD. PROPERTY - 1, Jay Thrasher, hereby certify, u d p p r 1 ro BOUNDARIES REFERENCED FROM PLOT PLN - - .measured distances and the septic system components as illustrated on this 5. LOCATION OF WATER AND GAS UTILITY LINES IS APPROXIMATE. THE CONTRACTOR IS RESPONSIBLE FOR CONTACTING DIGSAFE AT 1,888-344-7233 PRIOR TO CONSTRUCTION. CONDUCTED BY YANKEE SURVEY CONSULTANTS, - as -built plan are true and accurate. 6. INSTALLATION SHALL BE IN ACCORDANCE WITH THE STATE ENVIRONMENTAL CODE, TITLE 5 (310 CMR 15.000) AND THE LOCAL BOARD OF HEALTH REGULATIONS. PAUL MERITHEW; PLS ON04/25/91. 7. - THE CONTRACTOR MUST HOLD A VALID INSTALLER LICENSE IN THE TOWN OF YARMOUTH. _ 10'.PROPERTY LINE OFFSET 87 OLD MAIN STREET ROAD FOR TANK AND SAS PARCEL CEL ID - 6 - 6270 INSPECTION PORT - (TYP. OF 2). 3 FT -TRENCH WIDTH 171.1' AND TRENCH 16 RIVER STREET' 3INCH. SCH. 40 PVC SEPARATION DISTANCE .BENCHMARK. NAIL IN TREE. 0.54 ACRES. VENT. SEE PROFILE. ASSUMED ELEVATION100FT. PARCEL ID - 6268 J ------98.5 - MAP SQ LOT 157 8. THE CONTRACTOR SHALL NOTIFY THE ENGINEER AND THE LOCAL BOARD OF HEALTH OF ANY CHANGES TO THESE PLANS. 9. EXISTING FINISHED GRADE ELEVATIONS SHALL BE CONFIRMED PRIOR TO CONSTRUCTION. THE ENGINEER SHALL BE NOTIFIED IMMEDIATELY OF ANY DISCREPANCIES +/-6". 10. CONTRACTOR SHALL CALL FOR INSPECTIONS AND APPROVALS FROM THE BOARD OF HEALTH AND THE ENGINEER AFTER: (a.) EXCAVATION (b.) INSTALLATION OF SYSTEM COMPONENTS SYSTEM NOTES: 1. ALL PIPING SHALL BE SCHEDULE 40 PVC UNLESS OTHERWISE SPECIFIED: 2. ALL PIPING (EXCEPT WITHIN THE SOIL ABSORPTION SYSTEM) SHALL BE BEDDED INFILL FREE FROM STONES OR BOULDERS. THE LETTERING ON THE PIPES SHALL BE VISIBLE TO VERIFY PIPE SPECIFICATIONS BEFORE BACKFILLING- 3. ACKFILLING3. FILL FOR THE SYSTEM SHALL BE COMPRISED OF CLEAN GRANULAR SAND, FREE FROM ORGANIC MATTER AND DELETERIOUS SUBSTANCES. MIXTURES AND LAYERS OF DIFFERENT SOIL CLASSES SHALL NOT BE USED. THE FILL SHALL NOT CONTAIN ANY MATERIAL LARGER THAN TWO INCHES. A SIEVE ANALYSIS, USING A #4 SIEVE SHALL BE PERFORMED ON A REPRESENTATIVE SAMPLE OF THE FILL DELIVERED TO THE SITE. UP TO 45% BY WEIGHT OF THE FILL SAMPLE MAY BE RETAINED ON THE #4 SIEVE. SIEVE ANALYSIS SHALL ALSO BE PERFORMED ON A FRACTION OF THE FILL SAMPLE PASSING THROUGH THE #4 SIEVE, SUCH ANALYSIS SHALL ALSO DEMONSTRATE THAT THE MATERIAL MEETS EACH OF THE - SPECIFICATIONS OF 310 CMR 15.255 (3). 4. ALL EXCAVATED AREAS SHALL BE SCARIFIED AND RELATIVELY DRY. FILL SHALL NOT BE PLACED IN RAIN OR SNOW STORMS. IF GROUND WATER IS OBSERVED DURING EXCAVATION, THE ENGINEER SHALL BE NOTIFIED AND CONSTRUCTION HALTED IMMEDIATELY. EXISTING SYSTEM NOTES N I I 1 1. ` THE EXISTING CESSPOOLS SHALL BE PUMPED CLEAN OF ANY RESIDUAL WASTEWATER SHALL BE COMPLETELY FILLED WITH CLEAN SAND OR OTHER v 1 22:5' I \ 98.5 - SUITABLE MATERIAL APPROVED IN WRITING BY THE APPROVING AUTHORITY. 'SCHEDULE OF INVERT ELEVATIONS AS -BUILT TIE -OUT SCHEDULE DESIGN A B DESCRIPTION 1 17.4' 30' Septic Tanklnlet. 2 17.3'' 34' Septic Tank Middle 3 - 18' 3T Septic Tank Outlet 4 46.3' 58.8' D -Box 5 - 51' 75T Inspection Port - 6 71.9' 87' Inspection Port Cape Cod Commission - Technical Bulletin 92-001 C D 7 30.5' 39' Edge of SAS 8 42:3' 31' Edge of SAS 9 70' 64.3' Edge of SAS 10 64.4' 69' Edge of SAS 8. THE CONTRACTOR SHALL NOTIFY THE ENGINEER AND THE LOCAL BOARD OF HEALTH OF ANY CHANGES TO THESE PLANS. 9. EXISTING FINISHED GRADE ELEVATIONS SHALL BE CONFIRMED PRIOR TO CONSTRUCTION. THE ENGINEER SHALL BE NOTIFIED IMMEDIATELY OF ANY DISCREPANCIES +/-6". 10. CONTRACTOR SHALL CALL FOR INSPECTIONS AND APPROVALS FROM THE BOARD OF HEALTH AND THE ENGINEER AFTER: (a.) EXCAVATION (b.) INSTALLATION OF SYSTEM COMPONENTS SYSTEM NOTES: 1. ALL PIPING SHALL BE SCHEDULE 40 PVC UNLESS OTHERWISE SPECIFIED: 2. ALL PIPING (EXCEPT WITHIN THE SOIL ABSORPTION SYSTEM) SHALL BE BEDDED INFILL FREE FROM STONES OR BOULDERS. THE LETTERING ON THE PIPES SHALL BE VISIBLE TO VERIFY PIPE SPECIFICATIONS BEFORE BACKFILLING- 3. ACKFILLING3. FILL FOR THE SYSTEM SHALL BE COMPRISED OF CLEAN GRANULAR SAND, FREE FROM ORGANIC MATTER AND DELETERIOUS SUBSTANCES. MIXTURES AND LAYERS OF DIFFERENT SOIL CLASSES SHALL NOT BE USED. THE FILL SHALL NOT CONTAIN ANY MATERIAL LARGER THAN TWO INCHES. A SIEVE ANALYSIS, USING A #4 SIEVE SHALL BE PERFORMED ON A REPRESENTATIVE SAMPLE OF THE FILL DELIVERED TO THE SITE. UP TO 45% BY WEIGHT OF THE FILL SAMPLE MAY BE RETAINED ON THE #4 SIEVE. SIEVE ANALYSIS SHALL ALSO BE PERFORMED ON A FRACTION OF THE FILL SAMPLE PASSING THROUGH THE #4 SIEVE, SUCH ANALYSIS SHALL ALSO DEMONSTRATE THAT THE MATERIAL MEETS EACH OF THE - SPECIFICATIONS OF 310 CMR 15.255 (3). 4. ALL EXCAVATED AREAS SHALL BE SCARIFIED AND RELATIVELY DRY. FILL SHALL NOT BE PLACED IN RAIN OR SNOW STORMS. IF GROUND WATER IS OBSERVED DURING EXCAVATION, THE ENGINEER SHALL BE NOTIFIED AND CONSTRUCTION HALTED IMMEDIATELY. EXISTING SYSTEM NOTES N I I 1 1. ` THE EXISTING CESSPOOLS SHALL BE PUMPED CLEAN OF ANY RESIDUAL WASTEWATER SHALL BE COMPLETELY FILLED WITH CLEAN SAND OR OTHER v 1 22:5' I \ 98.5 - SUITABLE MATERIAL APPROVED IN WRITING BY THE APPROVING AUTHORITY. 'SCHEDULE OF INVERT ELEVATIONS LOCATION DESIGN AS -BUILT Existing 4" Sewer at Foundation 98.71 HORIZON/LAYER 4" Inlet to Septic Tank 97.10 %COARSE FRAGMENTS 4" Outlet from Septic. Tank 96.90 LOAMY SAND 4" Inlet: to D -Box 96.60 11-28 4" Outlet from D -Boz 96,40 - 10YR6 4" Inlet to SAS 9620 C Elev. at Bottom of Leachfield 94:20 NONE Elev. Observed Groundwater 89.44 Elev. High Groundwater 90.94 Determination Method Cape Cod Commission - Technical Bulletin 92-001 ENGINEERING SERVICES K 131 CLAY STREET STUDIO 325 _ CENTRAL FALLS, RHODE ISLAND 02863 TELEPHONE: +1 (508) 954 0677 EMAIL: JAY@ROBIALWATER.COM CONSULTANTS: J .TRENCH I - DETACHED - LENGTH ' I � GARAGE - 2.. THE BUILDING SEWER LINE CONNECTED TO THE CESSPOOL ON THE SOUTH SIDE OF THE BUILDING SHALL BE RE-ROUTED WITHIN THE - - - - - - - - - - I `\ 99 / 20 RIVER STREET -BASEMENT/CRAWLSPACE BY A LICENSED PLUMBER AND CONNECTED TO THE SEWER ON THE NORTH OF THE BUILDING - _ I I 0.41 ACRES VARIANCES / SITE NOTES: _ 40:0' 98* PARCEL ID - 6267 7 j I I 99.5 � H-10 1500 GAL 1. A VARIANCE FOR SEPARATION TO GROUNDWATER IS REQUESTED. SEE SYSTEM PROFILE FOR ELEVATIONS - DISTRIBUTION BOX. 98.5' _ ( �- I \ \I J C 2 -COMPARTMENT 2. THIS SYSTEM DOES NOT LIE WITHIN.A ZONE IL 98 SEPTIC TANK - 3. POTABLE WATER IS PROVIDED BY MUNICIPAL WATER CONNECTION. - - BFT OFFSET FROM i ®PTI EXISTING SEWER �...: \a i I EXISTING CESSPOOL. m �- SEPTIC TANK NOTES: I TP1 I -"� BASEMENT BULKHEAD 1. THE SEPTIC TANK SHALL BE DESIGNED, .CONSTRUCTED AND INSTALLED PURSUANT 310 CMR 15.223 -15.228. a I 0 A 2. SEPTIC TANKS SHALL BE INSPECTED AND MAINTAINED IN. ACCORDANCE WITH 310 CMR 15.300 AND APPLICABLE LOCAL o REQUIREMENTS. a EXISTING CESSPOOL.(TYP). 188 5 ® a ONd�a`os e 98 g I DISTRIBUTION BOX (D -BOX) NOTES: F TO BE FILLED AND ` I 1. D -BOX SHALL BE H-10 RATED AND DESIGNED, CONSTRUCTED AND INSTALLED IN CONFORMANCE WITH 310CMR15.232. °�eyYR ABANDONED. SEE NOTES: I. - SEWER H FOUNDROUTED. � 20' BUILDING f f ,�`�` THROUGH FOUNDATION WALL 2. THE INVERT ELEVATION OF ALL OUTLETS SHALL BE EQUAL TO EACH OTHER AND LOCATED AT LEAST 2 INCHES BELOW THE _ OFFSET FOR SAS / \ ` Co INVERT ELEVATION OF THE .INLET. OUTDOOR SHOWER AREA LD m 3. SEWER LINE FROM EXISTING SEPTIC TANK TO PROPOSED D -BOX IS APPROXIMATE. CONTRACTOR TO DETERMINE BEST 3e / ! \ (n _ ROUTING IN THE FIELD. A CLEAN OUT IS REQUIRED FOR ALL CHANGES IN DIRECTION OF THE SEWER LINE (SEE CLEANOUT S !d - 99.. .`�� LEGEND DETAIL). - -LOCUS rLOCUS �m I. \\ �\ EXISTING CESSPOOL. TO BE FILLED TEST PIT - 10' BUILDING I \�. �, AND ABANDONED. SEE NOTES. SOIL ABSORPTION SYSTEM (SAS) NOTES: - - _ PERCOLATION TEST 16 River Street 10 RIVER STREET c I OFFSET FOR TANK CONTOUR 9 EQUIPMENT ONTHESAS SHOULD BE AVOIDED ATALLPRIOR, DURING AND AFTER I CONS RUICTION._q _21BIQ8 TO THF INSTALLaIlON VEHICLES OR H H 0.1 ACRES EXISTING OF THE SAS AND UNTIL RECEIE1 QFA CERTIFI ATE OF COMPLIANCE FROM THE APPROVING 4 -BEDROOM PROPOSED CONTOUR AUTHORITY IN ACCORDANCE WITH 310 CMR 15.021, THE PERIMETER OF THE SAS SHALL. BE STAKED F - 8 .5 ® DWELLING HEAVY MACHINERY MAY PASS OVER THE SAS DURING THIS TIME. - - - - - - 3 a - EXISTING BRICK PATIO � 10. THE BOTTOM OF SAS SHALL BE EXCAVATED TO A LEVEL GRADE. IF THE REMOVAL OF STONES OR BOULDERS IS REQUIRED; Oiw TREE i / I O/H E. OVERHEAD ELECTRICAL CREATING LOCALIZED DEPRESSIONS, FILLING TO GRADE WITH THE EXCAVATED NATURALLY OCCURRING PERVIOUS SOIL MoCt"o9 I OR MATERIAL IN COMPLIANCE WITH 310 CMR 15.255 IS ACCEPTABLE - I �•(t10F Mqs \WMUNICIPAL WATER 11, BASE AGGREGATE DENOTES THE MATERIAL BELOW THE ELEVATION OF THE INVERT OF THE TRENCH LATERAL TO THE - esti 98 , K BOTTOM ELEVATION OF THE TRENCH (LE. SAS) AND SHALL CONSIST OF DOUBLE WASHED STONE RANGING FROM'/. TO 1'h \. ❑ - G NATURAL GAS LINE - o _ �'L I O JAY. M. N / ❑ INCHES IN DIAMETER AND SHALL BE FREE OF IRON PARTICLES, FINES AND DUST IN PLACE 3 gya THRASHER '� 97.5 97 a I 12. WHEN EXCAVATING TRENCHES, NATIVE SANDY SOIL SHALL BE KEPT SEPARATEAND USED AS TOP AGGREGATE TO - m I o CIVIL --t / a BACKFILL TRENCHES ABOVE GEOTEXTILE. SEE TRENCH DETAIL. BACKFILL MUST BE CLEAN AND FREE OF STONES AND ID BOULDERS GREATER THAN SIX INCHES IN SIZE.: TAILINGS, CLAY OR SIMILAR MATERIALS ARE PROHIBITED. m �\m�aae I o. No. 54434 rn -.I C7 99 ? 13. FINAL GRADE SHALL HAVE A 2% SLOPE AWAY FROM DRAINFIELD TO REDUCE RUNOFF OVER THE TRENCH AREA. G I A A'p 9F Q G -. \ / / / j� 5 / X _ _ 8. TRENCH LATERAL OUTLET ORIFICES SHALL BE EVENLY SPACED ALONG TWO ROWS RUNNING THE LENGTH OF THE LINE, ON / m SITE PLAN EACH SIDE, MIDWAY BETWEEN THE INVERT AND CENTER -LINE WHICH SEPARATES THE UPPER AND LOWER HALVES OF THE I I BOUNDARY OF PIPE, AND ORIFICES SHALL BE NO SMALLER THAN D INCH AND NO LARGER THAN E INCH IN DIAMETER. LANSCAPED AREA (TYP.) I , / 96 3 - - SCALE: 1" = 20' 9.. TRENCH LATERALS SHALL HAVE A SLOPE OF 0.005 FEET PER FOOT ALONG ASTRAIGHT LINE WITHOUT BENDS. A - 116. JV �o A 0 20 40 / 10. - THE END OF THE TRENCH LATERALS SHALL BE CONNECTED AND VENTED THROUGH AN UNPERFORATED 3 INCH SCH. 40 PVC PIPE. THE VENT SHALL BE SECURED TO PREVENT ANIMALS AND PRECIPITATION FROMENTERINGTHE VENT PIPE. 168.96'Co 11. DISTRIBUTION LINES CONNECTING THE DISTRIBUTION BOX TO TRENCH .LATERALS SHALL BE UNPERFORATED WITH WATER I 99. 98 97 96 -L TIGHT CONNECTIONS AND JOINTS. - Willow Street I RIVER STREET .VICINITY MAP L NOT TO SCALE I I F __ a F E SOIL TEST PIT & PERCOLATION TEST DATA Test Date: June 01, 2020 - Testing: Jay Thrasher, PE - Robial Water Ltd. Witness: Mallory Langler, Yarmouth BOH TEST PIT 1 (97.69) DEPTH HORIZON/LAYER TEXTURE COLOR %COARSE FRAGMENTS 0-11 Ap LOAMY SAND - 1OYRq NONE 11-28 B LOAMY SAND - 10YR6 NONE. 28-110 C SAND 10YR3 NONE - PERC TEST 1 @ 48", Start 12:40PM Stop: 12:53PM Could not saturate. Less than 2 minutes per inch. Weeping groundwater observed at 110 inches. Standinggroundwater observed. at 99 inches. Seasonal High Groundwater (SHGW) calculated to be 6.75 feet below grade (90.94) using method pursuant Cape Cod Commission's Technical Bulletin 92-001. 1 CERTIFY THAT 1 AM A LICENSED SOIL EVALUATOR (SE #14068) HAVING PASSED THE TRAINING AND TESTING REQUIREMENTS IN APRIL 2018. JAYTHRASHE, P.E. o i 1500 GALLON 2- COMP: SEPTIC TANK (H-10) RECOMMENDED MANUFACTURER/MODEL: - - SHEA CONCRETE/15002C BOTTOM ON LEVEL, STABLE BASE ` MECHANICALLY COMPACTED WITH m SYSTEM PROFILE 6"CRUSHED STONE NOT TO SCALE i I � 11 � 1 2 3 4 5 6 7 $ 9 10 12 I I l I I I L ------------A PROJECT: E RESIDENTIAL ONSITE WASTEWATER TREATMENT SYSTEM 16 River Street Yarmouth, MA 02664 Remedial Use 4 AS -BUILT UPDATED 07/16/2020 C 3 AS -BUILT 07/13/2020 2 REVISED SAS TO TRENCHES 06/18/2020 1 CONSTRUCTIONDRAWINGS 06/05/2020 Ap LAYER = 96:77 No REVISION/SUBMISSION DATE B LAYER COPYRIGHT 2019- Robial Water Ltd. This document, and the ideas and design concepts incorperated 1 =.95.36 herein, as an instrument of professional service, cannot be used, in whole or in part for this or any other pmlect, without the wriNen authorization of Robial Water I.W. . PROJECT No: T5.2020001 CONSTRUCTION DRAWINGS C HORIZON B PENDING BOH APPROVAL SHEET TITLE: I -90.94 SITE LAYOUT AND SYSTEM DESIGN SHEET SIZE: 24 IN. X 361N. (ARCH D) A DATE: 05 June 2020 SHEET NUMBER: SHEET 1 OF 1 14 MAGNETIC TAPE MUST BE PLACED ON THE TOP OF ALL FINISHED GRADE SHALL BE MIN. 2% SLOPE, STABILIZED - 4" CLEANOUT: INSTALL FLUSH TO COMPONENTS INCLUDING PIPES TO AID IN THE LOCATION OF AND GRADED TO REDUCE INFILTRATION AND EROSION - FINSH GRADE. REQUIRED IF COMPONENTS AFTER BACKFILLING CHANGE IN DIRECTION OF SEWER. ' 31NCH VENT WITH - POLYLOK® POLY AIR - - COVER WITH GEOTEXTILE ACTIVATED CARBON FILTER. MATERIAL. SEE NOTES a - TOF = 100.48 C ' 99.71 - 3 FT od 99.01 98.0± TRENCH BASE _ .AGGREGATE. SEE NOTES_ - - c 3„SCH Ml C PVC 98.0± N 1. v 9" MIN. EXISTING SEWER - - OUTLET DISTRIBUTION LINES SHALL BE 12" MIN. TO 36" MAX COVER a INVERT = 98.71. - LEVEL FOR A MINIMUM OF THE FIRST 2 1 = 95.03 - - ONTACT ENGINEER a. _ - • --c. - ' -- -- FEET OF THEIR LENGTH s - -- m, - IF ELEVATION E a CHANGES. 13,. 3" MIN. 3,,. MIN. - - 10 IN. .. I =94.2 > a a a"SC 2%40 2%C 4"SCH VC p a:d tLl/IV ' 6"MIN. 6"MIN. 1%MIN.$OPE 22:5 FT. •, B 10" MIN. ZABLE ®® M/N. 1% SLS SOIL ABSORPTION SYSTEM (SAS) I =.97.1 E 3.26 FT i. _ INVERT ELEVATION: AT FOUNDATION IS(, FILTER 1 = 96.9 . _ APPROXIMATE. CONTRACTOR SHALL CONFIRM 12' MAX. _ J =96.4. - j SEASONAL HIGHGROUNDWATER (SHGW) ! y - - - INVERT ELEVATION AT FOUNDATION PRIOR TO I' 4' MIN. 12 MAX I CONSTRUCTION. A MINIMUM OF 2 % SLOPE • 1 = 96.6 DISTRIBUTION BOX = i - - REQUIRED_ FOR SEWER PIPE BETWEEN BUILDING- - - - --- --- - -- 6 OUTLET (H-10) - - o FOUNDATION INVERT AND SEPTIC TANK INLET. - - o i 1500 GALLON 2- COMP: SEPTIC TANK (H-10) RECOMMENDED MANUFACTURER/MODEL: - - SHEA CONCRETE/15002C BOTTOM ON LEVEL, STABLE BASE ` MECHANICALLY COMPACTED WITH m SYSTEM PROFILE 6"CRUSHED STONE NOT TO SCALE i I � 11 � 1 2 3 4 5 6 7 $ 9 10 12 I I l I I I L ------------A PROJECT: E RESIDENTIAL ONSITE WASTEWATER TREATMENT SYSTEM 16 River Street Yarmouth, MA 02664 Remedial Use 4 AS -BUILT UPDATED 07/16/2020 C 3 AS -BUILT 07/13/2020 2 REVISED SAS TO TRENCHES 06/18/2020 1 CONSTRUCTIONDRAWINGS 06/05/2020 Ap LAYER = 96:77 No REVISION/SUBMISSION DATE B LAYER COPYRIGHT 2019- Robial Water Ltd. This document, and the ideas and design concepts incorperated 1 =.95.36 herein, as an instrument of professional service, cannot be used, in whole or in part for this or any other pmlect, without the wriNen authorization of Robial Water I.W. . PROJECT No: T5.2020001 CONSTRUCTION DRAWINGS C HORIZON B PENDING BOH APPROVAL SHEET TITLE: I -90.94 SITE LAYOUT AND SYSTEM DESIGN SHEET SIZE: 24 IN. X 361N. (ARCH D) A DATE: 05 June 2020 SHEET NUMBER: SHEET 1 OF 1 14