Attachments.pdf

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EXISTING SMH #1

RIM EL = 791.0

INV. OUT EL = 783.83

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EXISTING SMH #2

RIM EL = 789.20

INV. IN EL = 782.84

INV. OUT EL = 782.84

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EXISTING SMH #3 (SEWER DROP MANHOLE)

RIM EL = 792.97

INV. IN EL = 780.75 (DROP)

INV. OUT EL = 778.83

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EXISTING SMH #4

RIM EL = 759.0

INV. IN EL = 753.0

INV. OUT EL = 753.0

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EXISTING 6" CAST IRON SANITARY SEWER PIPE

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EXISTING 6" ASBESTOS CEMENT (AC) SANITARY SEWER PIPE

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EXISTING 6" ASBESTOS CEMENT (AC) SANITARY SEWER PIPE

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EXISTING PAVED AREA

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EXISTING DRAIN INLET

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EXISTING PLASTIC

DRAIN PIPE (SHALLOW)

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EXISTING ARCHED

CMP CULVERT

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EXISTING 6" ASBESTOS CEMENT (AC) SANITARY SEWER PIPE

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EXISTING SEPTIC TANK

INV. IN EL = 750.30

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EXISTING 6" 45

DEGREE BEND

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INSTALL NEW CLEANOUT (SEE SKETCH 3)

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EXISTING PAVED AREA

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CROSSING OF EXISTING ELECTRIC AND WATER

LINES REQUIRED

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CROSSING OF EXISTING ELECTRIC AND WATER

LINES REQUIRED

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EXISTING GUARD RAIL (3-WIRE

WITH METAL POSTS)

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EXISTING GUARD RAIL (3-WIRE

WITHH METAL POSTS)

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DEPARTMENT OF THE ARMY

NEW ENGLAND DISTRICT

CORPS OF ENGINEERS

CONCORD, MASSACHUSETTS

SCALE: DATE:

9/27/16

PAVEDUNPAVED

(2' MIN)

W = O.D. + 12"

6" MIN

(6" MIN)

BEDDING

(O .D

Z O

N E

P

IP

E

Z O

N E

E M

B E

D M

E N

T

NOT TO SCALE

SEWER TRENCH DETAIL

NOT TO SCALE

PAVED SURFACE RESTORATION DETAIL

AS NOTED

COLEBROOK RIVER DAM, COLEBROOK CT

REPLACE SANITARY SEWER PIPING

SKETCH 1

3/4" CRUSHED STONE FILL

4" LOAM AND SEED

MATERIAL (SUITABLE)

FINAL TRENCH BACKFILL

MATERIAL (NATIVE)

FINAL TRENCH BACKFILL

RESTORATION DETAIL

SEE PAVED SURFACE

SEE SEWER TRENCH DETAIL

SURFACE (TYP)

EXISTING PAVED

(12" MIN)

COVER

12"

COAT (TYP)

APPLY TACK

SANITARY SEWER PIPE

(SEE NOTE 1 BELOW)

RESTORED PAVEMENT

AGGREGATE BASE

12" PROCESSED

12"

(SEE NOTE 3 BELOW)

AGGREGATE BASE

15" PROCESSED

AT PAVED AREAS

TEMPORARY TRENCH PATCH

EXISTING SURROUNDING PAVED SURFACES.

PROCESSED AGGREGATE BASE SHALL BE BROUGHT FLUSH, AFTER COMPACTION, WITH

3. TEMPORARY TRENCH PATCH DURING WINTER MONTHS UNTIL TRENCH CAN BE PAVED.

WILL NOT BE ALLOWED.

2. SAWCUT SHALL BE FULL DEPTH FOR THE FULL LENGTH OF TRENCH. JACK-HAMMERING

THICKNESS BE LESS THAN 1-1/2" FOR BINDER COURSE AND 1-1/2" FOR SURFACE COURSE.

1. MATCH FULL DEPTH OF EXISTING PAVEMENT, BUT IN NO CASE SHALL THE COMPACTED

NOTES:

SURFACE (TYP)

EXISTING PAVED

SUBBASE COURSE (TYP)

EXISTING AGGREGATE

JOINT (TYP)

BELOW) AND SEAL

SAWCUT (SEE NOTE 2

CORPS OF ENGINEERS

CONCORD, MASSACHUSETTS

SCALE: DATE:

9/27/16

AS NOTEDSKETCH 2

COLEBROOK RIVER DAM, COLEBROOK CT

REPLACE SANITARY SEWER PIPING

12" MIN

CONNECTION AT SEWER DROP MANHOLE

(INLET SIDE OF SMH #3)

12" MIN

2. PIPE ENDS SHALL BE EVEN AND CLEAN.

1. THE SPACE BETWEEN PIPE ENDS SHALL NOT EXCEED 1 INCH.

NOTES:

MANHOLE OR SEPTIC TANK

CONNECTION AT STANDARD SEWER

SEWER PIPE

EXISTING SANITARY

SEWER PIPE

NEW SANITARY

SEWER MANHOLE

EXISTING SANITARY

EXTERIOR WALL OF

COUPLING

FLEXIBLE RUBBER

BETWEEN PIPE ENDS

COUPLING TO BE CENTERED

SEWER PIPE

EXISTING SANITARY

SEWER PIPE

NEW SANITARY

COUPLING

FLEXIBLE RUBBER

BETWEEN PIPE ENDS

COUPLING TO BE CENTERED

DROP PIPING

ENCASEMENT AROUND

EXISTING CONCRETE

EXISTING SEPTIC TANK

EXTERIOR WALL OF

SANITARY SEWER DROP MANHOLE

EXTERIOR WALL OF EXISTING

CORPS OF ENGINEERS

CONCORD, MASSACHUSETTS

SCALE: DATE:

9/27/16

AS NOTEDSKETCH 3

COLEBROOK RIVER DAM, COLEBROOK CT

REPLACE SANITARY SEWER PIPING

NOT TO SCALE

SEWER CLEANOUT DETAIL

ELEVATION VIEW

PLAN VIEW

12" MIN (TYP)

FINISHED GRADE

(6" THICK MIN.)

3/4" GRAVEL BEDDING

6" SEWER PIPE

6" 45 DEGREE ELL

CLEANOUT TEE

6" TWO-WAY

6" SEWER PIPE

6" SEWER PIPE

CLEANOUT BOX

AND SCREW-IN PLUG

6" PVC CLEANOUT ADAPTER

OF CAP

3" FROM BOTTOM

CLEANOUT BOX DIMENSIONS

M

IN

OPENING

10" MINIMUM

FLOW

FLOW

FLOW

F

LO

W