0124-0165 - 06 Utility - Sanitary Sewer.pdf

INX-06 UTILITY - SANITARY SEWER INDEX OF DRAWINGS

SANITARY SEWER RELOCATION PLANSAN-01

SANITARY SEWER RELOCATION PROFILE

SLR INTERNATIONAL CORP.

DESIGNED BY:

NUMBER

DRAWING

NUMBER

DRAWING

INDEX OF DRAWINGS

DRAWING TITLE DRAWING TITLE

SAN-02

SAN-03 SANITARY SEWER MISCELLANEOUS DETAIL SHEET

PROJECT TITLE: PROJECT NO.: DRAWING NO.:

SHEET NO.:

7/6/2026

SIGNATURE BLOCK: DRAWING TITLE:

INX-06

TOWN(S):

SEYMOURSPOT IMPROVEMENTS ON RIVER STREET (ROUTE 313)

PLOTTED DATE:

W:\CADDesign\_CTDOT_Projects\124-165 (Bridge)\Utilities\MSta_Contract_Sheet_Files\UT_CP_0124-0165_INX-06.dgn FILE NAME: awetmore LASTED SAVED BY:

R E

V

D A

T E

R E

V

IS

IO

N

D E

S C

R

IP

T

IO

N

0124-0165

DESIGNER/DRAFTER: CHECKED BY:

INDEX OF DRAWINGS

UTILITY - SANITARY SEWER

TRANSPORTATION

DEPARTMENT OF

CONNECTICUT

M. MANCINI A. CIRIELLO

06 UTILITY - SANITARY SEWER

06.01

99 REALTY DRIVE

CHESHIRE, CT 06410

203.271.1773

SLRCONSULTING.COM

2" GAS LINE (ABANDONED)

24" CONC. SAN SEWER

24"

CONC.

SA

N S

EWER

" C

IP

P

T

IL

E

" T

IL

E

TF

.9

S A

N M

H

IN

V O

U T(S

.3

IN

V

IN

(S

W

.0

IN

V

IN

(N

E " C

O N

C

.3

IN

V

IN

(N

E " C

I)= .4

TF

.0

S A

N M

H

IN

V O

U T(N

E

.3

IN

V

IN

(N

W

.6

TF

.4

S A

N M

H

" S

E W

E R

LIN

E

TF

.7

S A

N M

H

TF

.8

S A

N M

H

(B U

R

IE

D

" R

C P

F L=

.7

IN

V .7

" R

C P

F L=

.1

(ABANDONED)

8" SAN SEWER

(ABANDONED)

8" SAN SEWER

TF

.1

S A

N M

H

TF

.5

S A

N M

H

N F

C H

D

N F

C H

D

N F

C H

D

N F

C H

D

N F

C H

D

F N

D C

H D

F N

D

IP

s

R A

N

O X F O

R D

T O

C O

NC

. C

URB

E.BIT

E.BIT

CONC. CURB

E S

MBR

MBR

E.B

IT

E.B

IT

MBR

#01585

BRIDGE

2" GAS LINE

E S

M B R

MBR

W E L L S

M O

N

A P P L E

" C

R A

B

TR

A

IL

E R

C O

N S T.

S

TO

R A

G E

E Q

U

IP

M E N

T

C O

N S T.

E S

N O

P

O L E

E S

S U P . P

O L E

-3 -2

L

IM

ITS

O

F N

E W P

A V

E M

E N

T

W E L L S

M O

N

FENCE

CH. LINK

R A

IL

W

IR

E R

O P

E

RAIL

WIRE ROPE

-3 -2

L

IM

ITS

O

F N

E W P

A V

E M

E N

T

S L O

P E

R

IP

R

A P

CONC.

BIT.

8" WATER MAIN

NAUGATUCK RIVER

L

IT

T L E R

IV

E R

V O

L . 6

P

G . 1

R

IV

E R S

TR

E E T

B A

N K S

TR

E E T, L

L C

V O

L . 6

P

G . 1

R

IV

E R S

TR

E E T

C T S

TO

R

A G

E P

A R

TN

E R S , L

L C

N F

WG

H H

HH

WG

A

PPRO

X. H

IG

H W

A

Y LIN

E

PRELIM

IN

A

RY RO

W M

A

P 125-15 SH

EET 7 O

F 7

I.P .(F

N D

T O

P .7

W .G

S A

M H

S

T F .9

S

F

C L

P

C

L

P

C L

P

C L

P

C L

P

N

C L

P

I.P .(F

N D

T O

P .7

W .G

S

S

T F .9

S

B .M

+00

601+00

2+

+0

+0

39+0

40+00 41+00

42+00

43+00

N31°02'54.2"E

82.57'

COORDI

NATE

G

RI

D

D

CONNECTI

CUT

(ROUTE 31

3)RIVER ST

REET

CENTERLINE OF PIPE, 2 FEET BEYOND BURIED FACE OF BACKWALL.

7. PAY LIMITS FOR 24" DUCTILE IRON PIPE SUPPORTED ON BRIDGE SHALL BE MEASURED AT

PUMPING FROM MH #101A.

6. MAINTAIN TRAFFIC ON BANK STREET - ROUTE 67 AS SHOWN ON MPT-02 WHEN BYPASS

5. REFER TO STRUCTURES SHEET FOR DETAILED CONSTRUCTION SEQUENCE.

8" SDR-35 PVC SANITARY SEWER TO MAINTAIN FLOW FROM EXISTING 8" TILE SANITARY SEWER.

TO MANHOLE #98 AT RIVER STREET DURING MANHOLE REBUILD AND INSTALLATION OF

4. 8" SEWER BYPASS PUMPING: PROVIDE SEWER BYPASS PUMPING FROM EXISTING MANHOLE

ACCEPTED.

DISCHARGED TO NEW MANHOLES IF ALL DOWNSTREAM WORK HAS BEEN TESTED AND

STAGE II. FOR INSTALLATION OF MANHOLE AT STA. 41+69, BYPASS PUMPING MAY BE

SEWER PIPE AS SOON AS CONNECTIONS TO THE EXISTING MAIN ARE COMPLETED UNDER

THE EXISTING 24” SANITARY SEWER PIPE CAN BE DIVERTED THROUGH THE NEW

NEW 24” SEWER MAIN IS INSTALLED ON THE BRIDGE AND TESTED SO THAT FLOW IN

CONNECTIONS. THESE MANHOLES SHALL BE INSTALLED AFTER THE

INSTALLATION OF MANHOLES OVER EXISTING SANITARY SEWER AND FINAL

MANHOLE #101A AT BANK STREET TO MANHOLE #98 AT RIVER STREET FOR

3. 24" SEWER BYPASS PUMPING: PROVIDE SEWER BYPASS PUMPING FROM UPSTREAM

TO THE LIMITS SHOWN ON STR-32 (STAGE 1) AND MPT-01 (STAGE 1A).

2. SANITARY MANHOLES AT STA. 40+13 AND STA. 41+45 AND SAN. SEWER PIPE TO BE INSTALLED

1400000A - TEST PIT EXCAVATION (SANITARY SEWER).

PRIOR TO SUBMITTING MANHOLE SHOP DRAWINGS. TO BE PAID FOR UNDER ITEM NO.

1. CONTRACTOR TO VERIFY INVERTS AT EXISTING SANITARY SEWER CONNECTIONS

GENERAL NOTES

PROJECT TITLE: PROJECT NO.: DRAWING NO.:

SHEET NO.:

7/6/2026

SIGNATURE BLOCK: DRAWING TITLE:

SAN-01

W:\CADDesign\_CTDOT_Projects\124-165 (Bridge)\Utilities\MSta_Contract_Sheet_Files\UT_CP_0124-0165_SAN.dgn FILE NAME: mmancini LASTED SAVED BY:

R E

V

D A

T E

R E

V

IS

IO

N

D E

S C

R

IP

T

DESIGNER/DRAFTER: M. MANCINI CHECKED BY: A. CIRIELLO

RELOCATION PLAN

SANITARY SEWER

TRANSPORTATION

MATCH EXISTING

N 705461.32, E 910473.94

STA. 42+56.25

STATE PROJECT NO. 0124-0165

PROJECT LIMITS

W5

1" = 20'

HORIZONTAL SCALE

20 40

INV. = 77.00(SE)

REBUILD MANHOLE (SANITARY SEWER)

(SEE STRUCTURES SHEETS)

REMOVE CONCRETE DIAPHRAGMS

REMOVE SANITARY MANHOLE (SANITARY SEWER)

SEWER MAIN

EXISTING R.C.P.

MATCH EXISTING83.10 (S) ±INV. =

MATCH EXISTINGINV. = ±83.10 (NE)

TF = 88.30

SPECIAL SANITARY MANHOLE (7' DIAMETER)

STA. 602+02 (41+69)

INV. = 83.08 (SW)

INV. = 83.08 (N)

T.F. = 87.96

60" I.D. MANHOLE (SANITARY SEWER)

STA. 601+69 (41+45)

INSTALL 27' - 24" D.I.P. (SANITARY SEWER)

INSTALL 42' - 24" D.I.P. (SANITARY SEWER)

INV. 8" = 77.20 (NW)

INV. = 76.41(SW)

INV. = 81.27 (NE)

T.F. = 85.47

(5' DIAMETER)

(SANITARY SEWER)

DROP MANHOLE

STA. 600+37 (40+13)

MATCH EXISTINGINV. = ±76.28 (S)

MATCH EXISTINGINV. = ±76.28 (NE)

T.F. = 85.60

(SANITARY SEWER) (7' DIAMETER)

DOGHOUSE MANHOLE

STA. 600+20 (39+98)

INSTALL 13' - 24" D.I.P. (SANITARY SEWER)

INSTALL 46' - 8" SDR-35 PVC (SANITARY SEWER)

REMOVE SANITARY MANHOLE (SANITARY SEWER)

MH #98

MH #101A

EXCAVATION 0'-10' DEEP - SANITARY SEWER)

REMOVE PIPE (PAID UNDER ROCK IN TRENCH

REMOVE EXISTING D.I. PIPE (PAID UNDER ITEM NO. 0503001A - REMOVAL OF SUPERSTRUCTURE)

REMOVE EXISTING D.I. PIPE (PAID UNDER REMOVAL OF SUPERSTRUCTURE)

(NO SEPARATE PAYMENT)

UNDER CTDOT 0124-0172 (APPROXIMATE)

PROTECT EXISTING 2-INCH BLOW-OFF INSTALLED

(SEE WATER MAIN RELOCATION PLANS)

UNDER SANITARY SEWER

8-INCH DIP WATER MAIN

EXCAVATION 0'-10' DEEP - SANITARY SEWER)

REMOVE PIPE (PAID UNDER ROCK-IN-TRENCH

REMOVE PIPE (PAID UNDER ROCK IN TRENCH EXCAVATION 0'-10' DEEP - SANITARY SEWER)

SEE NOTE #4

PIPE SUPPORTED ON BRIDGE

PAY LIMITS - 24" DUCTILE IRON

57' - DUCTILE IRON PIPE SUPPORTED ON BRIDGE

INSTALL 28' - 24" D.I.P. (SANITARY SEWER)

2' 2'

06.02

99 REALTY DRIVE

CHESHIRE, CT 06410

600+00

600+00

601+00

601+00

602+00

602+00

70 70

80 80

90 90

100 100

603+00

603+00

PROJECT TITLE: PROJECT NO.: DRAWING NO.:

SHEET NO.:

7/6/2026

SIGNATURE BLOCK: DRAWING TITLE:

SAN-02

W:\CADDesign\_CTDOT_Projects\124-165 (Bridge)\Utilities\MSta_Contract_Sheet_Files\UT_CP_0124-0165_PRO.dgn FILE NAME: awetmore LASTED SAVED BY:

R E

V

D A

T E

R E

V

IS

IO

N

D E

S C

R

IP

T

DESIGNER/DRAFTER: M. MANCINI CHECKED BY: A. CIRIELLO

RELOCATION PROFILE

SANITARY SEWER

TRANSPORTATION

RELOCATED 8" DIP WATER MAIN

EXISTING 24" RCP SEWER MAIN

EXISTING 24" RCP SEWER MAIN

S=1.0%

13' - 24" D.I.P. (SANITARY SEWER)

S=0.08%

(SANITARY SEWER)

27' - 24" D.I.P.

S=1.4%127' - 24" D.

I.P. (SA

NITARY SEWER)

GROUND

EXISTING

S T

A

D O

G H

O U

S E

M A

N H

O L

E

S A

N

IT

A R

Y S

E W

E R

(7

D

IA

S T

A

D R

O P

M A

N H

O L

E

S A

N

IT

A R

Y S

E W

E R

(5

D

IA

S T

A

M A

N H

O L

E

S A

N

IT

A R

Y S

E W

E R

I

.D

S T

A

S P

E C

IA

L

S A

N

IT

A R

Y M

A N

H O

L E

D

IA

M

IN

SUPERSTRUCTURE

BRIDGE NO. 01585

S=0.40%

(SANITARY SEWER)

46' - 8" SDR-35 PVC

AT B5 = 80.90'±

LOW CHORD ELEVATION

AT B5 = 81.82'±

LOW CHORD ELEVATION

AT SEWER (APPROXIMATE)

BRIDGE LOW CHORD

SHOWN (SEE SAN-03)

NOTE: OUTSIDE DROP NOT

DETAIL APPLIES (SEE SAN-03)(TYP. 0F 3)

NOTE: SPECIAL MANHOLE ENTRANCE SLAB

GRADE

FINISHED

HORIZONTAL SCALE IN FEET

20 40

VERTICAL SCALE IN FEET

06.03

99 REALTY DRIVE

CHESHIRE, CT 06410

PROVIDE PRECAST CONCRETE "DOG HOUSE BASE" SUITABLE TO SURROUND EXISTING SEWER. SUBMIT SHOP DRAWING FOR APPROVAL.1.

NOTES:

GROUT

FILLED WITH NON-SHRINK

OPENING IN BASE TO BE

MANHOLE

DIAMETER INSIDE OF

BE CUT 1/2 OF MAINS

EXISTING SEWER MAIN TO

WITH 2500 PSI CONCRETE

OPENING AS REQUIRED FILL

MATCH TOWN STANDARD

MANHOLE FRAME AND COVER,

ALL JOINTS SHALL HAVE RUBBER

GASKETS IN ACCORDANCE WITH

ASTM SPEC. C-361

BRICK AND NON-SHRINK MORTAR

CONNECTION, PARGE EXTERIOR;

OR APPROVED FLEXIBLE

CONNECTION

CONCRETE OR

BRICK AND MORTAR

INVERT

EXISTING 24" SANITARY

SEWER

*84"

BRICK MASONRY INVERT

DOGHOUSE MANHOLE (SANITARY SEWER)

NOT TO SCALE

*OR AS INDICATED ON THE PLANS

ADJUST TO GRADE WITH MINIMUM

OF 2 COURSES, MAXIMUM 7

COURSES OF BRICK OR PRECAST

RINGS

1" GROUT

O RING JOINT (TYP.)

12" 12"

TYP.TYP.

8"

(ECCENTRIC TYPE)

OR AS REQUIRED BY MANUFACTURER

10" PRECAST MANHOLE ENTRANCE SLAB

x x x x x x x x x x x x x x x x x x x x x x x x x x x x

4'-0"

Diameter

6" Min.

1"Cover

(Typ)

6"

E c c e n tr ic

M a n h o le C o n e

Cover to be Self Sealing w/Rubber Gasket Installed in

Grove of Cast Iron Cover. Sanitary Manholes Only.

Municipality Name, Label Storm or Sanitary

Match Pavement Grade and

Slope as Directed

Standard Manhole Steps at 12" O.C.

Mortar Cap

Adjust to Grade with Maximum 12"

Brick or Block Stretcher Courses

Parged with 3/4" Cement Mortar

Standard Manhole Riser Lengths as Required. Reinforcing Steel as Required by ASTM C-478

(Typ for Precast Manhole Walls)

Approved Flexible Watertight

Manhole Connection Secured to or Cast in Manhole Base (Lock

Joint, Press Wedge or Equal

Sanitary Manholes Only. Use

Mortar Joint for Storm

Manholes

Pipe Entering and

Leaving Manhole

4' Long Maximum

Crushed Stone Base

6" Depth Min. (Typ)

As-Required Base Reinforcing Steel, Both Ways. See Table 1 This Sheet

Where "H" Exceeds Min. in

Table 2 Use Drop Manhole

Bench Height= 7/8 x Sewer Diameter.

Bench Height at Existing Sewer to be

1 1/4 x Diameter when Drop Through

Manhole is Greater than 7/8 x Sewer

Diameter

"O" Ring Joint (Typ)

SECTION A-A

TABLE 1

REQUIRED REINFORCING STEEL

PRECAST MANHOLE BASE SLABS

MANHOLE DEPTH

Invert to top of Frame

48" DIA.

As (sq"/ft)

60" DIA

As (sq"/ft)

0'-8'

8'-12'

12'-16'

16'-20'

20'-24'

24'-28'

28'-32'

32'-36'

0.12

0.15

0.18

0.20

0.23

0.26

0.29

0.32

0.15

0.19

0.24

0.28

0.33

0.37

0.42

0.46

2'-0" dia. as req'd

SECTION

SPECIAL MANHOLE DETAILS

Scale: 1/2"=1'-0"

Standard Manhole

Frame & Cover Match Pavement Grade

& Slope as Directed

Mortor Cap

Adjust to Grade with Max. 12" Brick or Block Parged with 3/4" Cement Mortor

10" Precast Manhole Entrance Slab

(Eccentric Type)

O Ring Joint (Typ.)

Standard Precast Manhole Base

Unit. Base Reinf. Steel Both Ways x x x x x x x x x x x x x x x x x x x

60" I.D. MANHOLE BASE DETAIL

Scale: 1/2"=1'0"

P r e c a s t

R e d u c e r s

P r e c a s t B a s e

Standard Manhole

Steps at 12" O.C.

60" Dia.

Brick Table &

Invert Channel

Standard 48" Precast

Manhole Units Above

O Ring Joint (Typ.)

Reinf. Steel as Required by ASTM C-478 (Typ. for all

Precast Unit Walls)

Concrete Fill

As Required Base Reinf.

Steel. Both Ways; See Table 1 This Sheet.

48" Dia.

TABLE 2

MANHOLE DROPS

LINE SIZE

DROP SIZE

HEIGHT (MIN. DROP)

6"

6"

8"

8"

10"

10"

2'3"1'9" 2'0"

12"

12"

2'6"

15"

15"

2'9"

18"

15"

3'0"

21"-24"

15"

3'3"

27"-30"

18"

3'9"

H E

IG

H

T

Flexible Waterthght Manhole

Connection (Typ)

Well Compacted Gravel Fill

Class A Concrete

Undisturved Material

Crushed Stone Base 6"

Min. Depth (Typ)

Invert Elevation of Drop to be Min. of 1" Above Effluent

Elev. when Pipe of Same Size. When Drop of Different Pipe

Size Invert of Drop to be 0.8 x Difference in Pipe Size Above

Effluent Elev.

MANHOLE DROP DETAIL

Scale: 1/2"=1'-0"

2'-0"

(Typ for Precast Manhole Walls) as Required by ASTM C-478 as Required. Reinforcing Steel

Standard Manhole Riser Lengths

5"

6"

Crushed Stone Base

6" Depth Min. (Typ)

6"

5"

Crushed Stone Base

6" Depth Min. (Typ)

LINE SIZE

D R

O P

S

IZ

E

SECTION

SECTION B-B

Crushed Stone Base 6"

Min. Depth (Typ)

See Table 1 This Sheet.

Compacted 3/4"

Compacted 3/4"

Compacted 3/4"

Compacted 3/4"

SANITARY SEWER BEDDING DETAIL

Fabric

Filter

Stone Backfill and Bedding

Compacted 3/4" Crushed

Pipe Contour

Preshape Bedding to Fit

6" Min.

12" Max.

as Req'd. by Specifications

Trench Backfill Compacted

@ 1'-0" Over Top of Pipe of Pipe O.D.+2' as Shown

Maintain Max.Trench Width

Scale: 3/4"=1'-0"

9" Min.

1" Squares

1" Apart

Cover to be Self Sealing w/Rubber

Gasket installed in Groove of Cast

Iron Cover.

PLAN AND SECTION

CAST IRON MANHOLE FRAME & COVER

SCALE: 1"=1'-0"

8"11"

TO BE PAID UNDER GRANULAR FILL SANITARY SEWER.

TRENCH BACKFILL SHALL BE COMPACTED GRANULAR FILL 1.

NOTES:

NOTES:

2. Cost for tee, drop pipe, elbow, and concrete shall be included in the cost for the Drop Manhole.

1. Provide four #4 vertical bars equally spaced around pipe with 2" min. cover.

* 4" FRAME ALLOWED WHERE REQUIRED

NOTE:

FOR EACH SPECIAL MANHOLE.

1. CONTRACTOR TO SUBMIT SHOP DRAWING

STANDARD (48") MANHOLE DETAIL

Scale: 1/2"=1'-0"

A A

D+2'

Manhole Drop Where Required

(See Detail This Sheet)

Bench Lines for Sewer Junction

(Typ)

From Invert Channel from

Sewer Brick, 1" Slope

Precast Manhole Base

Flexible Watertight Manhole

Connection (Typ for Sanitary

Manholes)

8" Straight Bench

Lines (Typ)

D

PLAN

B B

PROJECT TITLE: PROJECT NO.: DRAWING NO.:

SHEET NO.:

7/6/2026

SIGNATURE BLOCK: DRAWING TITLE:

SAN-03

W:\CADDesign\_CTDOT_Projects\124-165 (Bridge)\Utilities\MSta_Contract_Sheet_Files\UT-CP-0124-0165_MDS.dgn FILE NAME: awetmore LASTED SAVED BY:

R E

V

D A

T E

R E

V

IS

IO

N

D E

S C

R

IP

T

DESIGNER/DRAFTER: CHECKED BY:

SHEETS

MISCELLANEOUS DETAIL

TRANSPORTATION

M. MANCINI A. CIRIELLO

06.04

99 REALTY DRIVE

CHESHIRE, CT 06410