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HomeMy WebLinkAboutEngineered Plan - 2015SOIL TEST PIT DATA NOT TO SCALE i TEST PR TP -1 GRD. EL 79.0 ONSITE SOIL EVALUATION SHGW EL 6.3. EL 78.3 EL 76.51 EL 75.5 AP SANDY LOAM 1OYR.5/2 B SANDY LOAM 2.5Y 5/6 C-1 MEDIUM SAND 2.5Y 6/4 C-2 TIGHT FINE SAND 10YR 5 2 C-3 COARSE SAND 2.5Y 5/4 NO GROUNDWATER OBSERVED DATE: AUGUST 27, 2015 TEST BY: BSC GROUP, INC. WITNESSED BY: AMY VON HONE, R.S., CHO LICENSED SOIL EVALUATOR: KIERAN . J. HEALY. SE, PLS 8' PERCOLATION RATE: < 2 MINS./INCH SOIL CLASS: CLASS 1 LT.A.R.: 0.74 GPD/S.F. I 30" LEGEND 42" UNSUITABLE z MATERIALS I 136" KM PERCOLATION- ESTIMATED TEST RANGE SEASONAL HIGH GROUNDWATER 150" �. = 154" VARIANCES REQU DISTRIBUTION B OX DETAIL (H-10) TOWN OF YARMOUTH NOT TO SCALE NONE REMOVABLE COVER 6" MAX. 2' WALLS 3" 21" NOTE: �- �� GAS MAIN LOCATION TO BE CONFIRMED AT TIME OF 9_1/2. 0.0 "TEE' 13" 11-1/2" BOTTOM ON LEVEL 6' INIMUM STABLE BASE 3/4' TO 1-1/2" PIAN VIEW CRUSHED STONE �ECT10N, VIEW NOTES 1. PROVIDE INLET TEE OR BAFFLE. 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. DESIGN CALCULATIONS DESIGN FLOW 3 BEDROOMS ® 110 GPD/BEDROOM 330 GPD REQUIRED SEPTIC TANK 330 GPD X 2007. = 660 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 330 GPD T 0.74 GPD/SF = 446 SF SIZE OF LEACHING FACILITY PROVIDED USE (3) 500 GALLON H-20 CONCRETE LEACHING CHAMBERS IN TRENCH CONFIGURATION WITH 4' STONE ALL AROUND BOTTOM AREA: 25.0' X 12.83' = 320.7 S.F. SIDEWALL AREA: 2 X (2 X (25' + 12.83')) = 151.3 S.F. EFFECTIVE LEACHING AREA = 472 S.F. 472 S.F. X 0.74 GPD/S.F. = 349 GPD. (INSTALLED CAPACITY) 349 GPD > 330 GPD (19 GPD RESERVE CAPACITY PROVIDED) 1.500, GALLON SEPTIC TAS NOT TO SCALE \ NQS: \ 1. SEPTIC TANK SHALL BE STEEL REINFORCED CONCRETE. 2. SEPTIC TANK SHALL BE CAPABLE OF WITHSTANDING H-10 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. 10'-6' 10'-0' 5'-8' - Lr .J -10) CONSTRUCTION. PROPOSED 1,500 GALLON SEPTIC TANK RAISE AT LEAST ONE EXISTING COVER TO WITHIN 6' OF FINISHED GRADE THE RISER SHALL BE 18" HDPE PIPE 6" MAX. CONC. COVER . 4' a ..:le, 4 10 4' MIN. LIQUID 5'-8" 4'-6" LOCATE DEPTH INLET TEE OUTLET TEE UNDER COVER W/GAS BAFFLE 3• 3" CROSS-SECTION VIEW LOT I11 I PROPOSED DIST BOX 9 Osp. LOT 58 PROPOSED Q®t)r.; ,-TION POKs -10 NOT TO SCALE 4" PERFORATED PVC 20' ACCESS COVER W/SCREW CAP TO EXTEND DOWN TO WITHIN 3 INCHES TO NATURAL SUBGRADE OF FINISH GRADE LOAM AND SEED 5" DIA. KNOCKOUT (TYP.) ALL DISTURBED AREAS 1-1/2' TAPER 1 i CONC. 12-36" COVER • .' I I RISER Q O Q Q Q I I �. 2" LAYER OF 1/8- T 1/2' DOUBLE WASH STONE ABOVE CRO 34" 24„ D CI O 0 OF PIPE I� O M 0 C7 Cl 0 O 0 Cl EFFECTIVE Q C7 C� C] L 3/4" TO 1-1/2' M D M O CI Cl M O 17-71 17--1DEPTH[� C] O (� L� DOUBLE WASHED STONE TO CROWN OF PIPE 4'-10" FRONT VIES 12'-10" NS2IESi 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. ♦ ♦ 1$ � oy `♦ AGS ® ♦ � otic ♦♦ 1���� . ♦♦ o i so� oy I .� ♦♦ . y. I 9°o I ♦� ♦� LOT 57 LOT 77 PUMP, CRUSH AND ABANDON BOTH EXISTING CESSPOOLS IN ACCORDANCE WITH TITLE 5. `-- 500 GALLON CONC. LEACHING- ' - CHAMBER (TYP.) I SYSTEM PROFILE NOT TO SCALE LOCUS INFORMATI N CURRENT OWNER: DENNIS KOUN/�'DIS TITLE REFERENCE: DEED BOOK 2350, PAGE 221 PLAN REFERENCE: PLAN BOOK .155, PAGE 93 ASSESSORS. MAP:. 39 PARCEL: 208 p ZONING DISTRICT. R-25 Ep SETBACKS: FRONT 30' WN SIDE 15' REAR 20' OVERLAY DISTRICT: NONE NITROGEN SENSITIVE ZONE: NOT A ZONE II FEMA FLOOD ZONE DISTRICT: ZONE X, DATED JULY 16, 2014 PANEL #25001CO588 J MINIMUM LOT SIZE: 25,000 S.F. EXISTING LOT SIZE: 10,833± S.F. GA 1O.3UMM GENERAL NOTES r 1.. THIS PLAN IN ONLY INTENDED FOR THE PERMITTING AND CONSTRUCTION OF THE SEWAGE DISPOSAL FACILITIES. 2 ALL CONSTRUCTION METHODS AND MATERIALS SHALL COLIFORM TO 310 CMR 15.000 AND YARMOUTH BOARD OF HEALTH REGULATIONS. i 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 DELETRIOUS 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 14 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: 1009 MUST PASS #4 SIEVE 10% MUST PASS #50 SIEVE 0-20% MUST PASS #100 SIEVE 0-5% MUST PASS #200 SIEVE 6. EXISTING UTILIilES WHERE SHOWN ON THE PLANS ARE APPROXIMATE. THE-ENGINEER- DOES HE ENGINEERDOES 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 INTERUPTIONS IN SERVICE. 8. 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). 1 � SCHEDULE OF ELEVATIONS TOP OF FOUNDATION 80.45 A 4" INVERTAT BUILDING 78.20 B 4' INVERT AT SEPTIC TANK (IN) 77.72 C . 4" INVERT ,AT SEPTIC TANK (OUT) 77.47 D 4" INVERT!AT DIST. BOX (IN) 75.80 E 4" INVERT;AT DIST. BOX (OUT) 75.63 F ELEVATIONS AT LEACHING FACILITY: 4" INV. AT LEACHING CHAMBERS 75.50 G (B.RKOUT 76.3) BOTTOM OF LEACHING CHAMBERS 73.50 H ESTIMATED! SEASONAL HIGH GROUNDWATER 66.20 J 4' SCH. 40 PVC L=20 FT. s=o.os . FIRST PIPE LENGTH TO BE SET LEVEL FINISH GRADE FOR MIN. 2 78.7-79.0 -- 4" SCH. 40 PVC U 0==0o==c==o (oB O CI = I=D 1=G 000co=coca 1=C I -E I=F H LEACHING CHAMBERS:_ ....._ DISTRIBUTION 7.3' SEPARATION 5.8' SEPARATION :.. NOTE: OPTIC TANK BOX WITH INLET "TEE' MAGNETIC REFLECTIVE I r.,^F SHALL BE PROVIDED C-2 LAYER IN THE TRENCH OVER . ALL PVL PIPING L"tAATED S.H.G.W. (BOTTOM OF C-3 LAYER) BUTLER A_E REID AVENUE n I� � �� N � LOCUS c i m i F o O Cj 28 LOCUS MAP NOT TO SCALE 11%0 ! g BRIAN G• + o YERGATIAN CIVIL 0 9 No, 46206 O Q 90 FG/sTEP� �� /ONAL E�G� c\ tS' BRIAN G. YERGATIA DATE PROFESSIONAL ENGINEER f SEPTIC SYSTEM DESIGN #55 REID AVENUE IN WEST YARMOUTH MASSACHUSETTS (BARNSTABLE COUNTY) SITE PLAN SEPTEMBER 4, 2015 NO. DATE DESC. s Yarmouth nealth.Depzement P 'VED 1 d:me Date PREPARED FOR: TED ZAMBELIS j P.O. BOX 474 WEST YARMOUTH MA 02673 S C 349 Route 28, Unit D W. Yarmouth, Massachusetts 02673 508 778 8919 © 2015 BSC Group, Inc. SCALE: 10 0 ' 5 10 20 FEEr FILE: P.\prj\4994300\Cml\-Arowings\4994300-SEP.dwg DWG. NO: 6325-01 SHEET 1 OF 1 JOB. NO: 4-9943.00