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Home My WebLink About50 Park Ave septic plan�► •imam' 1 NOT TO SCALE TEST PIT TP-1 GIRD. EL. 11.6 SHGW EL 1.6 EL. 10.8 EL 10.3 EL. 9.5 EL. 1.6 NOT TO A SL 1OYR 2/1 B1 LS 1OYR 5/8 B2 LS 1OYR 7/4 C MS 1OYR 8/2 NO GROUNDWATER OBSERVED REMOVABLE COVER 10" 16" 120" 6" MAX. HDPE RISER 2" WALLS 3" ..d : 7. 9-1/2" 0 11-1 /2" e 2" , BOTTOM ON LEVEL 6" MINIMUM STABLE BASE 3/4' TO 1-1/2" CRUSHED STONE DATE: JANUARY 12, 2022 TEST BY: BSC GROUP, INC. WITNESSED BY: PHIL RENAUD LICENSED SOIL EVALUATOR: TODD MACDONALD PERCOLATION RATE: < 2 MINS./INCH SOIL CLASS: CLASS 1 L.T.A.R.: 0.74 GPD/S.F. LEGEND UNSUITABLE MATERIALS (TO BE REMOVED) sm DN PERCOLATION v_ ESTIMATED DOd TEST RANGE - SEASONAL HIGH GROUNDWATER 21" 1 1 �• DIA. 13" KNOCKOUTS TYP. I I 1 la .1 1. 3 1. PROVIDE INLET TEE OR BAFFLE WHERE SLOPE OF PIPE EXCEEDS 0.08 FT./FT OR IN PUMPED SYSTEM. E `' 2. FIRST TWO FEET OF PIPE OUT OF DIST. BOX TO BE LAID LEVEL. � 3. ALL PIPE CONNECTIONS .AND CONCRETE CONSTRUCTION SHALL BE WATERTIGHT. v 4. FILL ALL UNUSED KNOCKOUTS WITH MORTAR. 5. CONCRETE COVER SHALL BE RAISED TO WITHIN 6 INCHES OF FINISHED GRADE. n SIGN CALCULATIONS i kf E DESIGN FLOW EXISTING & PROPOSED s 4 BEDROOMS 0 110 GPD/BEDROOM = 440 GPD REQUIRED SEPTIC TANK Aj 440 GPD X 200% = 880 GALLONS 0 USE 1,500 GALLON SEPTIC TANK .4 TGRIMMM111 DESIGN PERC. RATE: <2 MIN/INCH i LONG TERM APPL RATE: 0.74 GPD/SF :v 440 GPD : 0.74 GPD/SF = 595 SF 14 14 SIZE -OE LEACHING FACILITY PROVIDED USE (4) 500 GALLON H-20 CONCRETE LEACHING CHAMBERS IN TRENCH CONFIGURATION WITHIN 10' X 40' STONE FIELD. 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. CL 600 S.F. X 0.74 GPD/S.F. = 444 GPD (INSTALLED CAPACITY) 444 GPD > 440 GPD (4 GPD RESERVE CAPACITY PROVIDED) a_ w V) I 1 2500 GALLON SEPTIC TANK 3 NOT TO SCALE Ln n n 1. SEPTIC TANK SHALL BE STEEL REINFORCED CONCRETE. 0 2. SEPTIC TANK SHALL BE CAPABLE OF WITHSTANDING H-10 w LOADING. rn 3. ALL PIPE CONNECTIONS AND CONCRETE CONSTRUCTION c 3 SHALL BE WATERTIGHT. of 4. TEES SHALL BE SCH. 40 PVC AND SHALL BE LOCATED �. WITHIN 12" OF TANK WALL AND ACCESSIBLE FROM TANK 1.) TO ALLOW A LEACHING AREA TO BE 3' AWAY FROM A COASTAL BANK IN LIEU OF 50'. A 47' VARIANCE IS REQUESTED. 2.) TO ALLOW A SEPTIC TANK TO BE 15' AWAY FROM A COASTAL f , NOT TO SCALE 4" PERFORATED PVC 20" ACCESS COVER & SCOTT SCHUMACHER W/SCREW CAP TO EXTEND DOWN TO WITHIN 3 INCHES TITLE REFERENCE: BOOK 32858, PAGE 286 TO NATURAL SUBGRADE OF FINISH GRADE LOAM AND SEED PLAN REFERENCE: BOOK 276, PAGE 77 5" DIA. KNOCKOUT (TYP.) ALL DISTURBED AREAS 1-1/2" TAPER° / / , ' , . ASSESSORSPARCEL: 73 CONC. 12-36" COVER RISER ZONING DISTRICT: R-25 2" LAYER OF 1/s" To SETBACKS: FRONT 30' 1 /2" DOUBLE WASHED STONE ABOVE CROWN SIDE 15 36" 24" ® OF PIPE REAR 20' '! EFFECTIVE ® ® 3/4" TO 1-1/2- OVERLAY DISTRICT: NONE DEPTH s ® ® ® DOUBLE WASHED NITROGEN SENSITIVE STONE TO CROWN ZONE: NOT IN A ZONE 11 �OF PIPE -�-- 8'-6" 4'-10" FEMA FLOOD - ZONE DISTRICT: "AE EL.=11 & X", DATED 7/16/14 FRONT VIEW 10'-0"-1 PANEL #25001 CO569J NOTESIDE VIEW MINIMUM LOT SIZE: 25,000 S.F. S: 1. ONE ACCESS COVER PER SYSTEM SHALL BE RAISED TO FINISH GRADE. EXISTING LOT SIZE: 14,650t S.F. 2. CHAMBERS SHALL BE 500 GALLON LEACHING DRYWELL, MANUFACTURED BY SHOREY OR APPROVED EQUAL. EXISTING BUILDING COVERAGE: 2,076t S.F. (14.2%) 3. GEOTEXTILE FABRIC MAY BE USED IN LIEU OF DOUBLE WASHED STONE. PROPOSED BUILDING COVERAGE: 2,016t S.F. (13.8%) BANK IN LIEU OF 25. A 10 VARIANCE IS REQUESTED. OVERGROWN TOWN OF YARMOUTH NONE BOG �'� a04 W #103 - w #100 PF 1 3 -. _ _ 0 "ETLAN Y .,_ - w--•-.. ..w_...,___,.,.,,,,__ .,.-,,,,,,,"'"""✓" NIA• „-. MAP 20 PARCEL 58.1.1 i Ea4` � I ' E yx� ATES & ELIZASE1H CIV tQ ' r & SCOTT SCHUMACITER MAP 20'o PARCEL 'L 73 CARAFE "iM, 676# SF. _IF � KATr ALE to"., AR AS 41 `:> PROPOSER MAP 20 DRYWELL ? f j s^ VF 203 of 7 op or CO,AS. s RAISE AT LEAST ONE EXISTING COVER TO WITHIN 6' OF FINISHED GRADE THE RISER SHALL BE 18" HDPE PIPE 6" MAX. r CONC. COVER COVER. 5. FILL ALL UNUSED KNOCKOUTS WITH HYDRAULIC CEMENT. 4" o Ln 10'-6"Lo d o 10'-0" _ 10" 3" co 4' MIN. " LIQUID 5-8 s 4'-6" LOCATE TEE DEPTH INLET 4 a 5'-8" UNDER COVER OUTLET TEE _ _ - W/GAS BAFFLE 3" I a E 6" MINIMUM CROSS-SECTION VIEW z PLAN VIEW 3/4" TO 1-1/2" CRUSHED STONE OVERGROWN BOG Able 11• �% IUD �- � � ` � � � W '':�Ci4 0 �Tt A FLOOD EFER VENTS s. st ISTONE BENCHMARK • BOUNDCONC. BOUND( F"ND W DISK z ELEV = Z21 '� _ a TOF=12.0 APPROIA TE 3S 9 CRAWL 9 5 I s LO A77ON OF EIS7INC SEP77C POP. I(OUT)=9.6 11.5 PROPOSED 6 S S DRYWELL PROPOSED 1,500 IE GALLON SEPTIC TANK " s y Q; ,� H LANt`bTOT I(IN) =9.30 Y .T }. �; \ 112 TP-1 MAP 20 EL.11.6 <PARCEL 74 I(OUT)=9.05 5' OVERDIG � <. /0 f03 g ,t BREAKOUT LINER ° `� TOP EL.=9.65 �••` (4) 500-GALLON CONC. BOT. EL.=6.65 .5 LEACHING CHAMBERS TOP CHAMBERS=9.65 INV.=8.65 °h BTM CHAMBERS=6.65 DIST. BOXe I(IN)=8.99 I(OUT)=8.82 SLAB GENERAL NOTES 1. THIS PLAN IS INTENDED FOR THE PERMITTING AND CONSTRUCTION OF THE SEWAGE DISPOSAL SYSTEM AND ASSOCIATED SITE WORK. 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 DO ETRIOUS 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 SPECIFCA11ONS: 100% MUST PASS #4 SIEVE 10% MUST -ASS #50 SIEVE 0-20% MUST PASS #100 SIEVE 0-57. 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 COMPFiETE THE PROPOSED WORK WITHOUT ANY INTERRUPTIONS 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). NOTES: 1.) ENGINEER TO CERTIFY SOIL REMOVAL PRIOR TO SEPTIC INSTALLATION AND A FINAL INSPECTION AFTER THE SYSTEM IS INSTALLED_ 2.) AS THIS IS A REPLACEMENT OF A 4 BEDROOM DWELLING WITH A 4 BEDROOM DWELLING 1T IS NOT CONSIDERED AN INCREASE IN SEPTIC FLOW AND A RESERVE AREA IS NOT DEPICTED. NOT TO SCALE EL:=12.00 TOP FOUNDATION EL. 11.3t 4" SCH. 40 PVC �L=10± FT. 5=0.03 ?11111451 /Z- 4" SCH. 40 PVC L=6 FT. S__0.01 -FIRST PIPE LENGTH TO BE SET LEVEL FINISH GRADE FOR MIN. 2' 11.2-11.4 BREAKOUT LINER i- 4" SCH. 40 PVC TOP EL=9 65 1=9.05 �--� I=9.30 1=8.99 ,i3 DISTRIBUTION NOTE* SEPTIC TANK BOX MAGNETIC REFLECTIVE TAPE SHALL BE PROVIDED IN THE TRENCH OVER ALL PVC PIPING BOT. EL.=6.65 El- 9.65 0 0 0 0 0 C3 o o a 0 0 o n o o e= o 0 0 1.65 0 0 0 0 0 0 0 0 0 0 EL 6.65 LEACHING 5.05' SEPARATION CHAMBERS ELEV= 1.6 ESTIMATED S.H.G.W. (BOTTOM OF TEST PIT)