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HomeMy WebLinkAboutEngineer Planz a c� M .o a 01) N N 0 M 0 -o rn Q m a P a 0 y, .a i CV CV 0 N C% i E 0 _w a c c 0 _0 w 0 a U 0_ rn 3 7v N 0 0 Go rn U0 0 rn c 0 0 0 00 M u, 0 a U 0 0 a� v z a� SOIL TEST PIT DATA NOT TO SCALE TEST PIT TP-1 GIRD. EL. 15.8 SHGW EL. 5.3 EL. 15.1 EL. 14.4 EL. 12.0 EL. 5.3 SANDY LOAM 1OYR 2 1 A SANDY LOAM 1OYR 4/1 B LOAMY SAND 1OYR 6/8 C FINE SAND 2.5Y 7/4 NO GROUNDWATER OBSERVED NOT TO SCALE 6" MAX. REMOVABLE COVER �i Ali 8" 17" 126" WALLS 3" • 9-1 /2" O O ' 11-1 /2" A 2" BOTTOM ON LEVEL STABLE BASE 6" MINIMUM 3/4" TO 1-1/2- SECTION VIEW CRUSHED STONE ONSITE SOIL EVALUATION DATE: JUNE 15, 2022 TEST BY: BSC GROUP, INC. WITNESSED BY: JAY GARDINER 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) DN PERCOLATION ESTIMATED DOqDOq TEST RANGE �' SEASONAL HIGH GROUNDWATER PROPOSED INFILTRATION SYSTEM \ (3) CULTEC R-150XLHD LEACHING CHAMBERS WITHIN A BED OF CRUSHED STONE.. DMH-2 (33.50' X 4.75' X 2.54') - `R=9.40 INV. CHAMBER=5�10 I(IN)=5.65 (H-1 O BTM. CHHASMBER=5.50 I(OUT)=5.12 BTM. TONE=5.00 0 ./r PROPOSED MITIGATION g� A / I PLANTINGS (620t S.F.) 21 DMH `7 3 <. R=10.40 I(IN)=5.25 0 (5) 5" DIA. d I(OUT)=51 0 C 3" KNOCKOUTS,�r��w`� ;I TYP. RAZE EX BOATHOUSE �,G Cy PLAN VIEW NOES: 1. PROVIDE INLET TEE OR BAFFLE WHERE SLOPE OF PIPE EXCEEDS 0.08 FT./FT OR IN PUMPED SYSTEM. 0'/1/11/ 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.�a PROPOSED PAVER PATHWAY 500 GALLON CONCRETE LEACHING CHAMBER (H-20) 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 CONC. 12-36 COVER ' .. a. �j RISER O 0 0 O 2" LAYER OF 1 /8" TO Q Q Q Q Q Q 1DOUBLE WASHED O STONE ABOVE CROWN 36" " OF PIPE 24 0 0 0 0 0 O EFFECTIVE O 3/4" TO 1-1/2" D O 0 0 ODD 0 DEPTH / 0 0 DOUBLE WASHED STONE TO CROWN OF PIPE 8'-6" _____JI 4'-10" FRONT VIEW /j 12'-10" NOTES: 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. DESIGN CALCULATIONS DESIGN FLOW EXISTING PROPANE TANK 4 BEDROOMS 0 110 GPD/BEDROOM = 440 GPD TO BE REMOVED Rr�=;,s ' (EXISTING ONE BEDROOM IN CABIN / 3 BEDROOMS IN DWELLING) s �86 17EV �.�,€ �3; I�I� REQUIRED SEPTIC TANK s �tMf 880 GPD X 200% = 880 GALLONS � USE 1,500 GALLON SEPTIC TANK a`g SIZE OF REQUIRED LEACHING FACILITY I3£ {€�� DESIGN PERC. RATE: <2 MIN/INCH t LONG TERM APPL. RATE: 0.74 GPD/SF s 440 GPD = 0.74 GPD/SF = 595 SF INSTAL y STRAW WATTLE ""'` 1 EROSION CONTROL SIZE OF LEACHING FACILITY PROVIDED BARRIER AT PROPOSED N f F USE (4) 500 GALLON H-20 CONCRETE LEACHING CHAMBERS IN TRENCH LIMIT OF WORKOHNTCBIN .°°affamMWAW , STONE Pp CONFIGURATION WITH 3' STONE ON ENDS AND 2.5' STONE ON SIDES. ASSESSORS MAP 22 s PARCEL 53 BOTTOM AREA: 40' X 10' = 400 S.F. ° ,' R'� SIDEWALL AREA: 2 X (2 X (40 + 10')) = 200 S.F. OOFDRAIN EFFECTIVE LEACHING AREA = 600 S.F. ,'° INV.=7.37. 600 S.F. X 0.74 GPD/S.F. = 444 GPD (INSTALLED CAPACITY) s , 444 GPD > 440 GPD (4 GPD RESERVE CAPACITY PROVIDED) PROPOSED INFILTRATION SYSTEM r (1) CULTEC R-150XLHD re ' LEACHING CHAMBER WITHIN A� \y 1.500 GALLON SEPTIC TANK (H-2QJ BED OF CRUSHED'STONE (13.00' X 4.75" ' X 2.54') - ° \ \ NOT TO SCALE INV. CHAMBER=11.10 BTM. PHAMBER=11.00 \' STONE=10.50 x NOES: MIN. 20" DIA. COVER, TYP. 1. SEPTIC TANK SHALL BE STEEL REINFORCED CONCRETE. RAISE (2) TO WITHIN 6" OF FINISHED 9 2. SEPTIC TANK SHALL BE CAPABLE OF WITHSTANDING H-20 GRADE USING SEWER BRICK AND INSPECTION PORT LOADING. MORTAR AS NECESSARY 1 3. ALL PIPE CONNECTIONS AND CONCRETE CONSTRUCTION Yv` DISTF SHALL BE WATERTIGHT. 4. TEES SHALL BE SCH. 40 PVC AND SHALL BE LOCATED 6" MAX WITHIN 12" OF TANK WALL AND ACCESSIBLE FROM TANK PROPOSED POOL _ COVER. � (INTERIOORR 8' X 14') IN\ (EXTERIOR 170f S.F.) 5. FILL ALL UNUSED KNOCKOUTS WITH HYDRAULIC CEMENT. 6" 11'-0" EXISTING 2-STORY \ 10'-0" = BUILDING TO BE RAZED 3" LIQUID 6'-0" 4'-9" LOCATE DEPTH 14" e - - INLET TEE OUTLET TEE 6'-2" - UNDER COVER W/GAS BAFFLE 6" :.. .. ' d • . .. . 6" MINIMUM PLAN VIEW 3/4" TO 1-1/2" CROSS-SECTION VIEW CRUSHED STONE PROPOSED ITUMINOUS CONCRETE DRIVEWAY 4.F3 Y CRET POST 'aOOt� 001 AVERAGE NATURAL COAS a GRADE AT STREET SIDE OF FOUNDATION 12.0t 10 PROPOSED TRENCH DRAIN R=11.00 INV.=9.81 1"Op :e -C ASsr3L SANK CONCRETE" POST" ASSESSORS MAP 22 PARCEL 51 -12 Now PROPOSED BITUMINOUS CONCRETE, DRIVEWAY PROPOSED CRUSHED STONE PARKING AREA 20POSED LAWN .- "PROPOSED STATION S O 1,500 GALION SEPTIC TANK INV. IN=13.04 -10 INV. OUT=12.79 0 Q EL.=1 cg ./ TOP TP-1 WOOD. .':' - PLANT A SINGLE ROW EL. 1 OF LEYLAND CYPRESS SPACED 7' O.C. p Maio PROPOSED 500-GALLON LEACHING CHAMBERS e 1= 13.04 :: TOP OF CHAMBERS=13.30JF `t INV. IN=12.30 MICHAEL L. EASTBURN ' LOCUS INFORMATION CURRENT OWNER: CREST VALLEY DEVELOPMENT LLC TITLE REFERENCE: DEED BOOK 34574, PAGE 127 PLAN REFERENCE: PLAN BOOK 68, PAGE 145 ASSESSORS MAP: 22 PARCEL: 52 ZONING DISTRICT: R-25 SETBACKS: FRONT 30' SIDE 15' REAR 20' MINIMUM LOT SIZE: 25,000 S.F. TOTAL LOT AREA: 10,932f S.F. UPLAND LOT AREA: 8,658f S.F. EX/ BUILDING COVERAGE 2,059/8,658=23.8% MAX. BUILDING' COVERAGE 2,165 S.F. (25%) OVERLAY DISTRICT: NONE NITROGEN SENSITIVE ZONE: NOT A ZONE II FEMA FLOOD ZONE DISTRICT: "X" & "AE" EL-11.0 DATED 7/16/14 PANEL #25001CO569J NOTES: 1. THE ELEVATIONS DEPICTED ON THIS PLAN ARE ONIAVD 88 VERTICAL DATUM. 2. THE LOCATION OF THE EXISTING SEPTIC SYSTEM IS UNKNOWN. 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 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: 100:1. 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 UTILITY 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, 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). 10. THE WATERLINE SHALL BE SLEEVED OR RELOCATED PRIOR TO CONSTRUCTION OF THE RESERVE AREA (IF NEEDED). VARIANCES REQUESTED NONE SYSTEM PROFILE NOT TO SCALE 4" SCH. 40 PVC L= 18FT. S=0.01 DISTRIBUTION BOT. OF CHAMBERS=10.30 ASSESSORS MAP 22 NOTE. SEPTIC TANK BOX PARCEL 39 MAGNETIC REFLECTIVE TAPE SHALL BE PROVIDED IN THE TRENCH OVER ALL PVC PIPING FIRST PIPE LENGTH McRAN,. HEALY AIO. 4813E FINISH GRADE 15.4-15.9 5.3 SEPARATION LEACHING l CHAMBERS EL.=5.3 1 ESTIMATED S.H.G.W. (BOTTOM OF TEST PIT) M.W.H. EL. 1.5 ROUTE 28 m cn 00 N � co I O LOCUS o C m LEWIS BAY LOCUS MAP NOT TO SCALE K , 9/1 /22 BRIAN G. YERGATIAN DATE PROFESSIONAL ENGINEER SEPTIC SYSTEM DESIGN 24 VALLEY ROAD IN WEST YARMOUTH MASSACHUSETTS (BARNSTABLE COUNTY) SITE PLAN SEPTEMBER 1, 2022 Yarmouth Health Department 4APPROVED_ E4 a m!am Date NO. DATE DESC. RECEIVED SEP 12 2022 HEALTH DEPT. PREPARED FOR: DAVID PALMER 63 PROSPECT ST MELROSE, MA 02176 polmeripad@me.com BSC G- POUP a`.•� sa 349 Route 28, Unit D W. Yarmouth, Massachusetts 02673 508 778 8919 © 2022 BSC Group, Inc. SCALE: 1 " = 20' 0 10 20 40 FEET FILE: YAR\5059800\C\D\5059800-SP.dwg DWG. NO: 6818-1 SHEEP 1 OF 1 JOB. NO: 50598.00