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HomeMy WebLinkAbout7 Virginia Street Septic System Design Plan 2SOIL TEST PIT DATA NOT TO SCALE TEST PIT TP -4A( 1) DATE 10-8-14 GRD. EL 14.1 SHGW EL N/A EL 13.1 EL 11.9 EL 9.4 EL 9.0 EL 6.1 EL 41 777777777///// 0/A SANDY LOAM 10YR 3/2 t. e LOAMY SAND 10YR 5/6 r• EL 12.0 6• EL 11.3 56' 1 • EL 9.0 6" EL 5.8 M z4 TEST PR TP -41!1( 2) DATE 10-8-14 GRD. EL 13.1 SHGW EL 9.0 0/A SANDY LOAM 10YR 3/2 B i LOAMY SAND 10YR 5/6 13" 22" 49" 87' v2n• ADJUSTED GROUNDWATER LOW POINT IN STREET, ELEVATION 9.0 PER BOH AGENT REMOVABLE - COVER F 50 4" SCH. 40 • + PVC TEE (�1 / 24' 113' 1 3 J BOTTOM ON LEVEL STABLE BASE L 6' MINIMUM I 3/4" TO 1-1/2" 24" -� SECTION VIEW CRUSHED STONE PLAN VIEW 2 -BEL H01 NOTES: 3 5 1. CONTRACTOR SHALL INSTALL A SCH. 40 PVC INLET TEE INSIDE THE DISTRIBUTION BOX 2. DISTRIBUTION BOX SHALL BE CAPABLE OF WITHSTANDING H-20 LOADING. 3. ALL PIPE CONNECTIONS AND CONCRETE CONSTRUCTION SHALL BE WATERTIGHT. 4. FIRST TWO FEET OF PIPES OUT OF DISTRIBUTION BOX SHALL BE LAID LEVEL. 5. FILL ALL UNUSED KNOCKOUTS WITH MORTAR. 6. CONCRETE COVER SHALL BE SET AT FINISHED GRADE SHED o DESIGN FLOW 3 BEDROOMS O 110 GPD/BEDROOM = 330 GPD 330 GPD X 200% = 660 GALLONS USE 1,500 GALLON SEPTIC TANK S17E OF REQUIRED I FeGHINC FAGILFIY DESIGN PERC. RATE <2 MIN/INCH LONG TERM APPL RATE 0.74 GPD/SF 330 GPD + 0.74 GPD/SF w 446 SF S17F OF I HING FACILITY PROVIDED USE (3) 500 GALLON CONCRETE LEACHING CHAMBERS IN TRENCH CONFIGURATION WITH 3' STONE ON ENDS AND 1.5' STONE ON SIDES. BOTTOM AREA: 36.0' X 8.0' = 288 S.F. SIDEWALL AREA: 2 X (2 X (36' + 8')) - 176 S.F. EFFECTIVE LEACHING AREA = 464 S.F. 464 S.F. X 0.74 GPD/S.F. 343 GPD (INSTALLED CAPACITY) 343 GPD > 330 GPD (13 GPD RESERVE CAPACITY PROVIDED) NOT TO SCALE RAISE AT LEAST ONE EXISTING COVER' NOTES TO WITHIN 6. OF FINISHED GRADE 1. SEPTIC TANK SHALL BE STEEL REINFORCED CONCRETE. THE RISER SHALL BE 18" HDPE PIPE 2. SEPTIC TANK SHALL BE CAPABLE OF WITHSTANDING H-20 LOADING. 3. ALL PIPE CONNECTIONS AND CONCRETE CONSTRUCTION CONIC. COVER 60 M 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. I_ 11'-0'7. --'i L 10- - 3" 4' MIN. LIQUID T L C 4'-s' LOCATE DEPTHINLET TEE OUTLET TEE 6'-2" UNDER COVER W, fll-6• FILTER L PLAN VIEW CROSS-SECTION VIEW ONSITE SOIL EVALUATION DATE OCTOBER 8, 2014 TEST BY: BSC GROUP, INC. WITNESSED BY: AMY VON HONE, R.S., CHO LICENSED SOIL EVALUATOR: KIERAN J. HEALY, PLS PERCOLATION RATE < 2 MINS./INCH SOIL CLASS: CLASS 1 LT.A.R.: 0.74 GPD/S.F. HIGH GROUNDWATER COMPUTATION BASED ON TP 46 2 DEPTH TO WATER 7.3' INDEX WELL. MIW-29 WATER LEVEL RANGE ZONE B CURRENT DEPTHOINDEX WELL(10/14) 9.7' USE ELEV 9.0 PER BOH AGENT DEPTH TO HIGH WATER 4.1' LEGEND F /7-7771 UNSUITABLE- ESTIMATED MATERIALS v_ (TO BE REMOVED) SEASONAL HIGHGROUNDWATER PERCOLATIONOBSERVED TEST RANGE Z GROUNDWATER 61.00' N/F V CAPE COD HOSPITAL ASSESSORS MAP 28 '?a PARCEL 58.1.1 s�- 6.0' UUU UMLLUIN I.VINIUMG I G LL/AUr1II%4U l.111'1/AMULK 1_t1 -/_U_)'• NOT TO SCALE 4" PERFORATED PVC 20' ACCESS COVER W/SCREW CAP TO EXTEND DOWN TO FINISHED GRADE TO NATURAL SUBGRADE LOAM AND SEED 5' DIA. KNOCKOUT (EYP.) ALL DISTURBED AREAS 1-1/2" TAPER 12-36" COVER M E� T71C� m O mm mm CONCRETE RISER 2" LAYER OF 1/8" TO CSO OO C�C�O OO CSO / 1/2" DOUBLE WASHED 0 o 1=11=1 0 0 0 0 0 =1M r-10 M STONE ABOVE CROWN C� C� M 17-1 === D 17-1 D 17 36 24• r1 =1 O O OF PIPE C� C� 17-117-1 O O M E1 C- EFFECTIVE O 3/4' T0. 1-1/2" DEPTH / O O DOUBLE WASHED STONE TO CROWN PIPE 4'-10" FRONT VIEW 8'-0" 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. �o�� \ ! $HED s 100' BUFFER TO BOG s AND WETLANDS '(BOG DRY) / N/F PIERRE JOSEPH ASSESSORS MAP.36 PARCEL 64 LOCUS INFORMATION CURRENT OWNER: HABITAT FOR HUMANITY 16.00 OF CAPE COD, INC. TITLE REFERENCE: DEED 28050, PAGE 152 PLAN REFERENCE: PLAN 422, PAGE 58 ASSESSORS MAP: 36 PARCEL: 65 & 66 ZONING DISTRICT: B-1 SETBACKS: FRONT 30' ** 4" INVERT AT DIST. BOX (IN) SIDE 25' ss G REAR 20' ** MINIMUM LOT SIZE: 25,000 S.F. *� LOT AREA: 13,302± S.F. NITROGEN SENSITIVE 4' INV. AT LEACHING CHAMBERS ZONE: PARTIALLY A ZONE II FEMA FLOOD 14.10 ZONE DISTRICT: "X" DATED 7/16/2014 9.00 PANEL #25001CO569J 1/7/15 (ABOVE 500 YEAR FLOOD ZONE) OVERLAY DISTRICT: PARTIALLY APD ** REDUCED BY COMPREHENSIVE PERMIT SEE ZBA REC. DECISION 28050-176 GENERAL NOTES 1. THIS PLAN IN ONLY INTENDED FOR THE PERMITTING AND CONSTRUCTION OF THE SEWAGE DISPOSAL FACILITIES AND THE NEW DWELLING. 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 N/F MATERIAL AND DEIMIOUS SUBSTANCES. MIXTURES AND LAYERS OF DIFFERENT LISA HALLETT 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 TIMOTHY MCGOFF PERFORMED ON A REPRESENTATIVE SAMPLE OF FILL UP TO 45% BY WEIGHT MAY ASSESSORS MAP 36 BE RETAINED ON THE /4 SIEVE. SUCH ANALYSES MUST DEMONSTRATE THAT THE PARCEL 67C MATERIAL MEETS EACH OF THE FOLLOWING SPECIFICATIONS: 100% MUST PASS /4 SIEVE 10% MUST PASS /50 SIEVE 0-20% MUST PASS }100 SIEVE 0-5x 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 BENHMARK OR FIELD CHANGES REQUIRED, THE CONTRACTOR SHALL NOTIFY THE ENGINEER �s�R9• TOP COF CONCRETE IMMEDIATELY. 6 BOUND. 7. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROPERLY COORDINATING THE ELEV 19.33 NAD88 .F. � PROPOSED CONSTRUCTION ACTIVITIES WITH DIG -SAFE AND THE APPLICABLE UTILITY COMPANIES, AND SHALL' COMPLETE THE PROPOSED WORK WITHOUT ANY INTERRUPTIONS IN SERVICE \� �6A 8 CONTRACTOR IS REQUIRED TO NOTIFY DIG -SAFE, PER MASS. STATUTE CHAPTER 82, • �` `� .1�J SECTION 40 (1-888-344-7233) A MINIMUM OF 72 HOURS PRIOR TO THE START ON E OF CONSTRUCTION, BOUN 0 l �'~ 0 9. THIS SYSTEM IS NOT DESIGNED FOR THE USE OF A GARBAGE GRINDER. O INSTALLATION OR USE OF A GARBAGE GRINDER AT THIS PROPERTY IS NOT Sic ; / / ALLOWED PER 310 CMR 15.240(4). 16.'P ``O SYSTEM PROFILE NOT TO SCALE i EL -A TOP FOUNDATION SEPTIC TANK PUMP CHAMBER NOTE: (SEE SHEET 2) MAGNETIC REFLECTIVE TAPE SHALL BE PROVIDED IN THE TRENCH OVER ALL PVC PIPING SCHEDULE OF ELEVATIONS TOP OF FOUNDATION 21.00 A 4" INVERT AT BUILDING 16.00 B 4" INVERT AT SEPTIC TANK (IN) 15.70 C 4" INVERT AT SEPTIC TANK (OUT) 15.45 D 4" INVERT AT PUMP CHAMBER (IN) 15.35 E 1-1/2" INVERT AT PUMP CHAMBER (OUT) 15.10 F 4" INVERT AT DIST. BOX (IN) 16.54 G 4" INVERT AT DIST. BOX (OUT) 16.37 H ELEVATIONS AT LEACHING FACILITY: VIRGINIA STREET IN 4' INV. AT LEACHING CHAMBERS 16.11) J (BRKOUT 17.1) BOTTOM OF LEACHING CHAMBERS 14.10 K ESTIMATED SEASONAL HIGH GROUNDWATER 9.00 L 1-1/2" SCH. 80 PVC FORCE MAIN FIRST PIPE LENGTH TO BE SET LEVEL FOR MIN. 2' FINISH GRADE /_EL=18.1-19.01 u131. nUA 5.1' SEPARATION K i EST. HIGH GROUNDWATER 28 O 9 l�� N , 28 O 9 l�� N Z Z r N G O _ fi Z z ovn LOCUS MAP NOT TO SCALE SN OF M i - BROW G. YERGATIAN o CIVIL No, 46206 90,n9�0l8T£P�O���¢ SSS/ONALENG� BRIAN G. YERG DATE PROFESSIONAL JAN 12 2015 HEALTH DEPT. SEPTIC SYSTEM DESIGN PLAN LOT 4 VIRGINIA STREET IN WEST YARMOUTH MASSACHUSETTS - (BARNSTABLE COUNTY) SITE PLAN DECEMBER 12, 2014 NO. DATE DESC. 1 1/7/15 BOH EDITS / COVERS . _ _Louth Health Deparlr `__:- Pt 1D ame Date I .PREPARED FOR: HABITAT FOR HUMANITY, C.C. INC. 411 MAIN STREET, SUITE 6 YARMOUTH PORT, MA 02673. (508) 362-3559 BSC GROUP 349 Route 28, Unit D W. Yarmouth, Massachusetts 02673 508 778 8919 © 2014 BSC Group, Inc. SCALE: 1" = 20' 0 10 20 40 rEEr FILE: P.\pry14975000\Vml\-Drawings\4975000-SP.dwg DWG. NO: 6187-06 SHEET 1 OF 2 JOB. NO: 4-9750.00