143

LF O

F 6"

SDR

35

PVC

AT 2

.0%

ESMH1RIM: 67.76INV: 61.85 (IN #128)BRICK SHELF: 61.76INV: 60.93 (OUT (EXISTING)

INV OUT:64.91

PROPOSEDHOUSE

#128

PROPOSEDACCESSORYSTRUCTURE

(BARN)FFE: 72.0

SETBACK

PROPERTY LINE

FFE: 75.0±BASEMENT: 66.0

INV: 65.30

SAWCUT EXISTING PAVEMENTREPAIR SIDEWALK IN KIND.

CO

PROVIDE CLEANOUT AT PROPERTYLINE AS "VIEWING PORT"PER TOWN OF HINGHAM STANDARDSINV: 62.63

DECOMMISSIONEDSHALLOW WELL

(NOT IN USE) 70

WATER SERVICE(SIZE TBD)

SERVICE TAP PERAQUARIANREQUIREMENTS

W

HERSEY STREET(PUBLIC WAY)

EDG

E O

F PA

VEM

ENT

PAVEDDRIVEWAY

LIMIT OF 200-FOOT MWRA DISTRICT BUFFER

CO

10' MIN DECK

COVERED PORCH71.67

71.0

71.00

71.2571

72

PAVED WALKWAY

GRASS PAVE PATHTO BARN

SHED TO BE REMOVED

EXISTING LEDGE KNOB TO BE CUTDOWN TO ACCOMMODATE DRIVABLEPATH TO BARN

72

71

7069

70

UNDERGROUND DETENTION SYSTEM #156 CHAMBERS, STORMTECH SC-160LPOR EQUALBOTTOM OF STONE: 67.0

UNDERGROUND DETENTION SYSTEM #248 CHAMBERS, STORMTECH SC-160LPOR EQUALBOTTOM OF STONE: 66.0

PIPE OUTLET.PROVIDE RIP-RAP OUTFALL MIN5-FT LENGTH FROM PIPE ENDINVERT: 65.50

HEADER PIPESEE OUTLET

DETAIL

6" AREA DRAINPROVIDE LANDSCAPE "DOME" GRATE"RIM: 69.50INV: 67.60 (6" PVC OUT)

INV IN:67.50

CLEANOUTSET 6" BELOW FG

CLEANOUTSET 6" BELOW FG

PROVIDE 6" INLINE AREADRAIN BELOW THE DECK

INV: 68.0

EXPOSED FOUNDATIONDROP FOUNDATION ASNEEDED TO MAINTAIN FROSTPROTECTION

50LF OF 8" HDPE

AT 0.5%

110L

F O

F 8"

HD

PE A

T 0.

5%

8" HEADER PIPESET LEVEL AT 67.50

8" HEADERINV: 68.0

42.2

'

42.0'

60.0

'

54.5'

RIVERSTONE DRIP STRIPSEE DETAIL

RIVERSTONE DRIP STRIPSEE DETAIL

12.5 LF SEWER STUB PERPLUMBING CODE

2.0% MIN SLOPE33.9'

16.8'

15.7'

123.2'

45.1

'

INSPECTION PORTTYPICAL OF 9BURY 6" BELOW FG

RIVERSTONE DRIP EDGENO PIPE NEEDED

70

G

GET

C

ETC

PROPOSED UNDERGROUND ELECTRIC & DATA SERVICECOORDINATE WITH LOCAL ELECTRIC COMPANY

GAS SERVICE

HAYBALE (OR STRAWWADDLE) AND SILT FENCE(TYPICAL)

71

71.9

63.00

59.10

59.10

63.00

54.10

55.2

58.00

58.00

68

70

7172

PROPOSED BLOCK WALLSET 1-FOOT OFF PROPERTY LINE

HEIGHT SHALL NOT EXCEED 4 FEET

EROSION CONTROL TO CONTINUEAROUND LIMIT OF WORK AT

PROPOSED RETAINING WALLSNOT SHOWN FOR GRAPHIC

PURPOSES

EROSION CONTROL TO CONTINUEAROUND LIMIT OF WORK ATPROPOSED RETAINING WALLSNOT SHOWN FOR GRAPHICPURPOSES

6.0'

INV: 71.0

INV: 69.0

INV: 68.2

CREATE 6"-12" HIGHLANDSCAPE BERM TO DIRECT

RUNOFF TOWARDS STREET

PROVIDE TEMPORARYCONSTRUCTION ENTRANCE3" CRUSHED STONE, 6" DEEP MINIMUM18' WIDE x 40' LONG, MINIMUMMAINTAIN PAVED SIDEWALKCLEAR OF DEBRIS AT ALL TIME

58.00

58.00

TP-2

TP-3

TP-1

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

59

58

0+00 0+50 1+00 1+50

EXISTING GRADE

PROPOSED GRADE

143 LF OF 6" SDR 35 PVC AT 2.0%

ESMH 1RIM: 67.76

4' M

IN C

OV

ER

PRO

POSE

D H

OU

SE

FFE: 75±

1+80

PROPOSED CLEANOUT

PROPOSED CLEANOUTSET 6" BELOW FG

SEWER INSTALLED PERAPPLICABLE PLUMBING CODES

10-FEET FROM BUILDING2.0% SLOPE

BASEMENT

PROPERTY LINE

EXISTING BUILDINGEXISTING WATER SERVICE

PROPOSED SEWER

EXISTING CONTOUR LINE

SPROPOSED DOMESTIC WATER

PROPERTY SETBACK

EXISTING SEWER SERVICE

PROPOSED CONTOUR LINE102

SEWER MANHOLE

PROPOSED BUILDING

PROPOSED SPOT GRADE81.61PROPOSED CLEAN OUT

LEGEND

PVI

SIT

E D

ES

IGN

PVI S

ite D

esig

n, L

LCC

ivil E

ngin

eerin

g - L

and

Ent

itlem

ents

Mas

ter P

lann

ing

- Pro

ject

Man

agem

ent

339-

206-

1030

JOB NO:

CHECKED:DRAWN:

FILE:

SCALE:

128

HERS

EY S

T, H

ING

HAM

, MA

020

43

142

HERS

EY S

T, H

ING

HAM

, MA

020

43JU

LIET

FUL

GO

NI

REV.

:SE

AL:

PRO

POSE

D H

OUS

E

SHEET NO:

ISSU

ED F

OR

PERM

IT

C100

PRO

POSE

D S

EWER

CO

NN

ECTIO

N

JULY

14,

202

0PR

OJE

CT:

CLIE

NT /

APPL

ICAN

T:

CONS

ULTA

NT:

TOP COURSEBINDER COURSE

GRAVEL BASE

1' DIA. 1'

6"D

IA.

1'4'

MIN

.

34" CRUSED STONE

MECHANICALLY COMPACTEDIN 6" LIFTS

6" SEWER SERVICE

ORDINARY FILL MATERIAL COMPACTEDIN 6" LIFTS TO ACHIEVE MIN. 90% MAX.

DRY DENSITY.NO STONES LARGER THAN 2" DIAMETER

SEE PAVEMENT SECTION,LANDSCAPING OR TRENCH PATCH

DETAIL AS APPROPRIATE

4 TYPICAL CLEAN OUT ASSEMBLYNOT TO SCALE

FLOW

4" PVC CLEANOUT RISER STACK

4" PVC 45° BENDSEE TYPICAL PIPE TRENCHDETAIL FOR BEDDING

6"x6"x4"WYE

7 PLAN VIEWSCALE: 1"=20'

20'0' 10' 40'

8 SEWER PROFILESCALE H: 1"=20', V:1"=2'

GENERAL NOTES:1. EXISTING CONDITIONS INFORMATION IS REPRODUCED FROM THE EXISTING CONDITIONS PLAN PREPARED BY

NANTASKET SURVEY & ENGINEERING, LLC DATED AUGUST 6, 2020.2. SCREENED IMAGES SHOW EXISTING CONDITIONS. WHERE EXISTING CONDITIONS LIE UNDER OR ARE IMPINGED UPON

BY PROPOSED BUILDINGS AND/OR SITE ELEMENTS, THE EXISTING CONDITION WILL BE REMOVED, ABANDONEDAND/OR CAPPED OR DEMOLISHED AS REQUIRED.

3. THE LOCATIONS OF UNDERGROUND UTILITIES SHOWN ARE BASED ON THE SURVEY REFERENCED ABOVE. PRIOR TO THESTART OF ANY EXCAVATION, THE CONTRACTOR SHALL NOTIFY DIGSAFE AND THE PROPER LOCAL AUTHORITIES ORRESPECTIVE UTILITY COMPANIES TO CONFIRM THE LOCATION OF ALL EXISTING UTILITIES. ANY DAMAGE DUE TOFAILURE OF THE CONTRACTOR TO CONTACT THE PROPER AUTHORITIES SHALL BE BORNE BY THE CONTRACTOR.

4. CONTRACTOR SHALL THOROUGHLY FAMILIARIZE THEMSELVES WITH ALL CONSTRUCTION DOCUMENTS,SPECIFICATIONS AND SITE CONDITIONS PRIOR TO BIDDING AND PRIOR TO CONSTRUCTION.

5. ANY DISCREPANCIES BETWEEN DRAWINGS, SPECIFICATIONS, AND SITE CONDITIONS SHALL BE REPORTED IMMEDIATELYTO THE OWNER'S REPRESENTATIVE FOR CLARIFICATION AND RESOLUTION PRIOR TO BIDDING OR CONSTRUCTION.

6. THE CONTRACTOR IS RESPONSIBLE FOR ANY DAMAGE TO EXISTING CONDITIONS TO REMAIN THAT ARE DUE TOCONTRACTOR OPERATIONS.

7. ALL ITEMS TO BE REMOVED THAT ARE NOT STOCKPILED FOR LATER REUSE ON THE PROJECT OR DELIVERED TO THEOWNER SHALL BE LEGALLY DISPOSED OF BY THE CONTRACTOR.

8. THE CONTRACTOR SHALL COORDINATE ALL ADJUSTMENT OR ABANDONMENT OF UTILITIES WITH THE RESPECTIVE UTILITYCOMPANY.

9. ELECTRIC AND GAS SERVICE ARE SHOWN FOR COORDINATION PURPOSES ONLY. CONTRACTOR SHALL CONTACTLOCAL UTILITY COMPANY TO COORDINATE FINAL CONNECTION POINTS.

SEWER NOTES:1. WHERE AN EXISTING UTILITY IS FOUND TO CONFLICT WITH THE PROPOSED WORK, THE LOCATION, ELEVATION, AND

SIZE OF THE UTILITY SHALL BE ACCURATELY DETERMINED WITHOUT DELAY BY THE CONTRACTOR, AND THEINFORMATION FURNISHED TO THE ENGINEER FOR RESOLUTION OF THE CONFLICT.

2. ALL WORK SHALL CONFORM TO THE TOWN OF HINGHAM SEWER RULES AND REGULATIONS AND SPECIFICATIONS.RULES AND REGULATIONS ARE AVAILABLE AT WWW.HINGHAM-MA.GOV

3. ALL SEWER PIPES SHALL BE PVC PER ASTM D3034, SDR-35 AND ASTM D1784 WITH RUBBER GASKET JOINTS.4. CONTRACTOR SHALL PROVIDE ALL FITTINGS, BENDS, RESTRAINTS, THRUST BLOCKS, AND OTHER APPURTENANCES

NECESSARY FOR INSTALLATION OF WATER SERVICE WHETHER SPECIFICALLY NOTED OR NOT.5. THE MINIMUM ALLOWABLE SLOPE SHALL BE 2.0%6. SURFACE WATER, GROUNDWATER FROM SUMP PUMPS, ROOF DOWNSPOUTS AND OTHER STORMWATER PIPED

SYSTEMS SHALL NOT BE DISCHARGED TO THE SEWER.7. THE SEWER SHALL BE INSTALLED BY A HINGHAM LICENSED DRAINLAYER.8. AN AS-BUILT DRAWING SHALL BE SUBMITTED TO THE TOWN OF HINGHAM WITHIN 10-DAYS OF INSTALLATION OF THE

SEWER SYSTEM AND PRIOR TO ANY FINAL APPROVAL. THE CONTRACTOR IS RESPONSIBLE FOR DOCUMENTING ANYVARIATION TO THE DESIGN AND PROVIDE INFORMAITON TO THE ENGINEER OF RECORD.

TRACER TAPEGREEN, 3" WIDE (MIN)

LABELED "BURIED SEWERLINE BELOW"

12"±

6" LOAM

PROVIDE DETECTABLE,THREADED CAP BURIED 6"

(MAX) BELOW FINISH GRADE

INSPECTION REQUIREMENTS:1. NOTIFY THE TOWN OF HINGHAM BOARD OF SEWER COMMISSIONERS THREE (3) BUSINESS DAYS PRIOR TO

INSTALLATION OF THE SEWER SERVICE.2. IF A DESIGN CERTIFICATION IS REQUIRED, THE ENGINEER OF RECORD SHALL BE NOTIFIED (3) BUSINESS DAYS PRIOR

TO INSTALLATION OF THE SEWER SERVICE.3. ALL INSPECTIONS SHALL BE PERFORMED PRIOR TO BACK-FILL.

318"

C BA

COMPACTEDSUBGRADE

COMPACTED GRAVEL BASE

BINDER COURSE

SURFACE COURSE

BIT. CONCRETE WALKBIT. CONCRETE ROAD

A B C6" 1 1/2" 1"12" 2" 1"

5 ASPHALT PAVEMENTNOT TO SCALE

3 TYPICAL PIPE TRENCH NOT TO SCALE

1: 0

8-31

-202

0 S

EW. C

OM

MIS

SIO

N CO

MM

ENTS

DRAINAGE NOTES:1. DETENTION SYSTEM CHAMBERS MAYBE RE-CONFIGURED TO AVOID SITE CONSTRAINTS. TOTAL NUMBER OF

CHAMBERS SHALL MATCH IF CONFIGURATION IS CHANGED.2. IF GUTTERS AND DOWNSPOUTS ARE UTILIZED, THE 6" COLLECTION PIPE SHALL BE SOLID WALL PIPE. IF CRUSHED

STONE DRIP STRIPS ARE UTILIZED, 6" COLLECTION PIPE SHALL BE PERFORATED PIPE WRAPPED IN FILTER FABRIC FORTHE LENGTH OF THE DRIP-STRIP TO INTERCEPT RUNOFF WITH A CLEAN OUT AT THE UPSTREAM END.

3. ALL CLEAN OUT COVERS IN LANDSCAPED AREAS SHALL BE SET 6" BELOW FINISH GRADE AND AS-BUILT LOCATIONSPROVIDED TO THE ENGINEER FOR RECORD.

4. CONTRACTOR SHALL PROVIDE AS-BUILT SWING TIE INFORMATION FOR DETENTION SYSTEMS TO THE OWNER ANDOWNER'S ENGINEER FOR RECORD PURPOSES.

WEED INHIBITING FABRIC

BUILDING FACE

34" TO 1-1/2" DIA. WASHED DRAINAGE

AGGREGATE. TAMP TO DEPTH OF 5" (MIN.).

VARIES,ADJUST TOMEET ROOFOVERHANG

24"MIN36" TYPICAL

6" DIA. PERFORATED PVC PIPE, WRAPWITH FILTER FABRIC, CONNECT TONEAREST DRAINAGE SYSTEM, TYP.SEE PLAN FOR LOCATIONS

3"

3/4" WASHED DECORATIVE RIVER STONE

COMPACTED ORDINARY BACKFILL

12" M

IN

6 RIVERSTONE DRIP STRIPNOT TO SCALE

67.5067.00

69.00

SYSTEM ELEVATIONSCHAMBER NOTES:1. CHAMBERS SHALL BE STORMTECH CHAMBER

SC-160LP OR EQUAL.2. CHAMBERS SHALL CONFORM TO THE

REQUIREMENTS OF ASTM F2418 "STANDARDSPECIFICATION FOR POLYPROPYLENE (PP)CORRUGATED WALL STORMWATERCOLLECTION CHAMBERS", OR ASTM F2922"STANDARD SPECIFICATION FORPOLYETHYLENE (PE) CORRUGATED WALLSTORMWATER COLLECTION CHAMBERS"

3. CHAMBERS SHALL BE DESIGNED INACCORDANCE WITH ASTM F2787 "STANDARDPRACTICE FOR STRUCTURAL DESIGN OFTHERMOPLASTIC CORRUGATED WALLSTORMWATER COLLECTION CHAMBERS".

*TO BOTTOM OF FLEXIBLE PAVEMENT. FOR UNPAVEDINSTALLATIONS WHERE RUTTING FROM VEHICLES MAY

OCCUR, INCREASE COVER TO 20" (510 mm).

PAVEMENT LAYER SEETYPICAL DETAIL

SUBGRADE SOILS

PERIMETER STONE(SEE NOTE 4)

EXCAVATION WALL(CAN BE SLOPED OR VERTICAL)

SC-160LPEND CAP NO SPACING REQUIRED

BETWEEN CHAMBERS

12"

14"MIN*

10'MAX

6" MIN

12" MIN 25" 12" TYP6" BASE STONE

ADS GEOSYNTHETICS 601T NON-WOVEN GEOTEXTILE ALLAROUND CLEAN, CRUSHED, ANGULAR STONE

#1

66.5066.00

68.00

#2

1 TYPICAL UNDERGROUND CHAMBER SYSTEMNOT TO SCALE

6" HEADER INV: 66.004" OUTLET INV: 67.00

4" OUTLET INV: 67.17

HIGH OUTLET PIPE FROMADJACENT CHAMBERSSYSTEM 2

OUTLET ELEVATIONS

8" HEADER INV: 67.503" OUTLET INV: 68.00

TWO (2) 3" OUTLETS INV: 68.25

SYSTEM 1

2 CHAMBER OUTLET DETAILNOT TO SCALE

2: 0

4-12

-202

1 IS

SUED

FO

R SI

TE P

LAN

APPR

OVA

L

AS-BUILT NOTE:CONTRACTOR SHALL PREPARE, OR COORDINATE WITHTHE LAND SURVEYOR OR ENGINEER TO PREPARE, ANAS-BUILT PLAN OF ALL PROPOSED SITE IMPROVEMENTSAND UNDERGROUND UTILITIES. THE PLAN SHALLINCLUDE SWING TIES TO UNDERGROUND DETENTIONSYSTEMS. AS-BUILT PLAN MUST BE SUBMITTED TO THETOWN PRIOR TO ISSUANCE OF A CERTIFICATE OFOCCUPANCY.

BUILDING GSF HOUSE: BARN: 1,772

3,200

LOT AREA: 37,680 SF20,000 SF

SETBACKS: FRONT: SIDE: REAR:

25'15'15'

45.1'16.8'15.7'

FRONTAGE: 125' 179.78'

PROPOSEDREQUIRED

ZONING TABLE - RESIDENCE A

3: 0

5-18

-202

1 P

EER

REVI

EW C

OM

MEN

TS

4: 0

5-19

-202

1 S

OIL

TES

TING

SOIL LOGSDEPTH HORIZ SOIL TYPE

TP-1 EG: 70.612" A LOAM18" B SANDY LOAM68" C FINE SANDREFUSAL: 64.93

TP-2 EG: 70.046" - FILL42" A LOAM69" C FINE SANDREFUSAL: 64.25

TP-13 EG: 68.012" A LOAM24" B SANDY LOAM48" C FINE SANDREFUSAL: 64.00