751.20046.BDW Hall Lake Design Drawings and Specifications 2 of 2.pdf

STRUCTURAL SECTIONS

AND DETAILS 1

S-1.0 If this scale bar does not measure 1" then drawing is not original scale.

Attention:

0 1"

Designed:

Checked:

Drawn:

P.E. No:

GEI Project

PRD

JEP

PRD

Approved: GLK

48098

2004145

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MICHIGAN

DEPARTMENT OF

TECHNOLOGY,

MANAGEMENT AND

BUDGET

3111 W. JOSEPH ST.

LANSING, MI

GEI CONSULTANTS OF MICHIGAN, P.C.

109 W. BARAGA AVENUE

MARQUETTE, MI 49855

(906)451-4021

Consultants

NO DATE ISSUE/REVISION APP

A 5/19/2023 100% ISSUE FOR PERMIT GLK

ISSUED FOR PERMIT

SHEET NAME DWG. NO.HALL LAKE DAM

REHABILITATION

GUN LAKE ROAD

MIDDLEVILLE, MI

BARRY COUNTY

SHEET NO.

#5 BAR 12" OC, EW, T&B

TYP.

CJ

SEE NOTE 1

WATERSTOP

TYP.

#5 BAR 12" OC

#5 HOOK 12" OC

TYP.

#5 BAR

TYP. BAFFELS

#5 BAR 12" OC, EW, T&B

CJ

SEE NOTE 1

#5 HOOKS

TYP.

#5 BAR 12" OC

3" CLR

TYP.

2" CLR

TYP. BAFFLES

3" CLR

TYP.

#5 BAR 12" OC, EW, T&B

CREST CONTRACTION JOINT

DETAIL

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

C-6.0

CENTER CONTRACTION JOINT

DETAIL

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

C-6.0

END SILL

DETAIL

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

C-6.0

4' #5 DIAGONAL BARS 3" OC

TYP.

2' #5 DIAGONAL BARS 3" OC

TYP.

#5 BAR 12"

OC, EW, EF

TYP.

8'

7'

HEADWALL

SECTION

SCALE: 1"=1'

A

C-6.0

STILLING BASIN SLAB

BARS TO HOOK INTO SLAB

KEYWAYMAINTAIN 3" CLR

#5 BAR 12" OC, EW, EF

TYP. ALL WALLS

CJ

CJ

CJ

TRAINING WALLS

SECTION

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

B

C-6.0

WATERSTOP

TYP.

3" CLR

TYP.

2' -6

1'

3" CLR

TYP.

1.5H:1V

1'

TYP. ALL SLABS

1' TYP.

ALL WALLS

6"

TYP.

1'

1'-9"

1'-3"

8"

TYP.

WATERSTOP

TYP.

NOTES:

1. ALLOW 48 HOUR CURE TIME BETWEEN CASTING OF ADJACENT

CONCRETE CONTRACTION JOINTS.

3' D/S OF CREST

2' 1'-10 3/4"

2'

5' -6

7'

4'

1'

1'

9"

9"9"

#5 BAR 12" OC, EW, EF

TYP.

R1'

28'

10'

9'

2"

#5 BAR 12" OC, EW, EF

TYP. ALL SLABS

#5X12" SIKA SPEED DOWEL

OR APPROVED EQUAL

#5X12" SIKA SPEED DOWEL

OR APPROVED EQUAL

AND DETAILS 2If this scale bar does not measure 1" then drawing is not original scale.

Attention:

0 1"

Designed:

Checked:

Drawn:

P.E. No:

GEI Project

PRD

JEP

PRD

Approved: GLK

48098

2004145

C

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MICHIGAN

DEPARTMENT OF

TECHNOLOGY,

MANAGEMENT AND

BUDGET

3111 W. JOSEPH ST.

LANSING, MI

GEI CONSULTANTS OF MICHIGAN, P.C.

109 W. BARAGA AVENUE

MARQUETTE, MI 49855

(906)451-4021

Consultants

NO DATE ISSUE/REVISION APP

A 5/19/2023 100% ISSUE FOR PERMIT GLK

ISSUED FOR PERMIT

SHEET NAME DWG. NO.HALL LAKE DAM

REHABILITATION

GUN LAKE ROAD

MIDDLEVILLE, MI

BARRY COUNTY

SHEET NO.

TYPICAL SPILLWAY CHUTE

SECTION

SCALE: 1"=1'

A

C-6.0

END SILL AND WING WALLS

SECTION

SCALE: 1"=1'

B

C-6.0

#5 BAR 12" OC, EW, EF

TYP. WING WALLS

& END SILL

#5 BAR 12" OC, EW, T&B

TYP.

END SILL

WING WALLS

3" CLR

TYP. ALL WALLS

3" CLR

TYP. ALL SLABS

3" CLR

TYP. END SILL

BAFFLE BLOCK

TYP.

#5 BAR 12" OC, EW, EF

TYP.

#5 BAR 12" OC, EW, T&B

TYP.

1'-2"

KEYWAY

2' WIDE X 1' THICK

WING WALL FOOTING

8'

4'

1'

6'

4' 1'

S-2.0

TYPICAL KEY TRENCH

AND WATERSTOP

DETAIL

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

S-2.0

4"

2"

PVC WATERSTOP

4" MINIMUM

1'

1'

TRAINING WALL

CHUTE SLAB

BAFFLE BLOCK

HOOK BARS INTO WALL

TYP.

S-2.0

WING WALL

WING WALL SLAB

FOUNDATION DRAINS TO

PENETRATE WING WALLS

TYP.

1' -3

4'-6"FOUNDATION DRAIN

AND DETAILS 3If this scale bar does not measure 1" then drawing is not original scale.

Attention:

0 1"

Designed:

Checked:

Drawn:

P.E. No:

GEI Project

PRD

JEP

PRD

Approved: GLK

48098

2004145

C

LA

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EY

, A J

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B\

Ya nk ee S pr in gs R

A G un L ak e

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\H al l L ak e D am \0

0_ C

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\D es ig n\ W or ki ng \S

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MICHIGAN

DEPARTMENT OF

TECHNOLOGY,

MANAGEMENT AND

BUDGET

3111 W. JOSEPH ST.

LANSING, MI

GEI CONSULTANTS OF MICHIGAN, P.C.

109 W. BARAGA AVENUE

MARQUETTE, MI 49855

(906)451-4021

Consultants

NO DATE ISSUE/REVISION APP

A 5/19/2023 100% ISSUE FOR PERMIT GLK

ISSUED FOR PERMIT

SHEET NAME DWG. NO.HALL LAKE DAM

REHABILITATION

GUN LAKE ROAD

MIDDLEVILLE, MI

BARRY COUNTY

SHEET NO.

A S-3.0

6'

PLAN

SCALE: 3/4" = 1'-0"INTAKE STRUCTURE AND TRASHRACK

TRASHRACK CENTER

SECTION

SCALE: 1"=1'

A

S-3.0 TRASHRACK END

SECTION

SCALE: 1"=1'

B

S-3.0

RAILING TO CONCRETE

CONNECTION

DETAIL

SCALE: 3" = 1'-0"

C-9.0

4"

8" 6"1" 1"

3" 3"

5"

1/

2"

1/ 2"

EDGE OF CONCRETE

POST INSTALLED

1/2" A36

THREADED ROD

EPOXY WITH HILTI

HIT HY-200

5/16

TYPPIPE TOPIPECONNECTIONS

6"

RAILING

DETAIL

SCALE: 1"=1'

C-6.0

1-1/2" HDG RAILING

3' -6

5'

SEE DETAIL 4 BELOW

2" X 3/8"

RECTANGULAR

BAR @ 4" O.C.

L2X2X3/8 STRUT

TYP.

CONTINUOUS BENT L 3X3X3/8

AS BEARING SURFACE

MH LID

60" I.D. PRECAST MANHOLE

26" Ø NEENAH TYPE G

SLOTTED COVER

L 5X3X3/8

MH WALL

CONTINUOUS BENT 6"X3/8" PL

CONTINUOUS BENT

4"X3/8" PL

2" X 3/8"

RECTANGULAR

BAR @ 4" O.C.

1/4 TYP.

L 5X3X3/8

POST INSTALLED 3/8" A36 ROD

CENTERED IN ANGLE

EPOXIED WITH HILTI HIT HY 200

1/4 TYP.

NOTCH 3"

TYP.

1/4TYP.

WELDS

SECTION

SCALE: 3" = 1'-0"

S-3.0

2'-2"

S-3.0

S-3.0

WELDS

SECTION

SCALE: 3" = 1'-0"

S-3.0

L3X3X3/8

S-3.0

1/4 TYP.

WELDS

SECTION

SCALE: 3" = 1'-0"

S-3.0

3"

EL. 774.9

4' -2

4"

1/4 TYP.

98°

3/8" Ø BAR

3/8" Ø BAR

1/4TYP.

1/4 TYP.

1/4TYP.

4"

3 5/8"

1/4TYP.

NOTCH 3"

TYP.

1/4TYP.

S-3.0

TRASHRACK NOTES:

1. THE TRASHRACK IS SHOWN AS A

CIRCULAR ARC, HOWEVER CAN BE

FABRICATED AS A 3 CHORD SYSTEM

TANGENT TO THE ARC PROVIDED, OR

FABRICATORS PREFERENCE WHILE

ABIDING TO THE LINES AND DIMENSIONS

PROVIDED HEREIN.

B S-3.0 file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt

FIBR

FIBR

FIBR

FIBR

STM STM STM STM STM

1+

LO

C

LO

C

LO

C

LOC

LOC

SF

SF

SF

SF

SF

FI

BR

FI

BR

1+

1+00

0+00

1+60

FI

BR

FI

BR

FI

BR

1+

0+25 0+50

0+75 1+00

1+25 1+50

0+00

1+60

7.

5'

EL

EV

AT

IO

N

FE

ET

EL

EV

AT

IO

N

FE

ET

1+12.62

WATER SURFACE EL. 774.94

WATERLINE SURVEYED 4/12/2022

FIBER OPTIC CABLE

APPROXIMATE LOCATION

SEE NOTE 2

2' Ø

50 40 30 20 10 0 10 20 30 40 50 60 70

C

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/1 3/

MICHIGAN

DEPARTMENT OF

TECHNOLOGY,

MANAGEMENT AND

BUDGET

3111 W. JOSEPH ST.

LANSING, MI

GEI CONSULTANTS OF MICHIGAN, P.C.

109 W. BARAGA AVENUE

MARQUETTE, MI 49855

(906)451-4021

Consultants

NO DATE ISSUE/REVISION APP

A 5/19/2023 100% ISSUE FOR PERMIT GLK

ISSUED FOR PERMIT

SHEET NAME DWG. NO.HALL LAKE DAM

REHABILITATION

GUN LAKE ROAD

MIDDLEVILLE, MI

BARRY COUNTY

SHEET NO.

DEMOLITION PLAN

C-7.0

PLAN

DEMOLITION

SCALE, FEET

8' 16'

DEMOLITION KEY PLAN

1 REINSTALL GUARDRAIL AND POSTS.

2 ABANDON EXISTING BARREL IN PLACE WITH FLOWABLE FILL

3 UTILIZE EXTRACTED SSP FROM COFFERDAM TO DRIVE PERMANENT

SHEET PILE CUTOFF THROUGH ABANDONED BARREL.

4 REMOVE TOP PORTION OF RISER

A C-7.0

NOTES:

1. PERFORM LOCALIZED EXCAVATION AS NECESSARY TO FACILITATE

ABANDONMENT OF THE EXISTING BARREL.

2. HAND EXCAVATE WITHIN 5-FEET OF FIBER OPTIC CABLE TO

EXPOSE ACTUAL LOCATION. PROTECT CABLE AS NECESSARY

DURING EXCAVATION AND CONSTRUCTION OF THE FILTER

BLANKET.

3. CONTRACTOR SHALL PROVIDE SPILLWAY BARREL ABANDONMENT

PLAN.

4. THE PROPOSED SPILLWAY INCLUDING BAFFLED CHUTE AND

RIPRAP CHANNEL SHALL BE CONSTRUCTED AND FUNCTIONAL

BEFORE FULL ABANDONMENT OF THE EXISTING BARREL MAY

COMMENCE.

5. EXECUTION OF THE EXISTING BARREL ABANDONMENT AND

CONSTRUCTION OF THE PERMANENT SHEET PILE CUT OFF SHALL

OCCUR IN SEQUENCE ONCE THE WORK IS READY TO BE

COMPLETED.

6. USE FILTER SAND AS FILL AROUND THE ABANDONED SPILLWAY

BARREL. FILL APPROXIMATELY THREE (3) FEET IN ALL DIRECTIONS

SURROUNDING THE ABANDONED BARREL AND INTEGRATE WITH

THE FILTER BLANKET.

A

C-7.0 BARREL ABANDONMENT

SECTION

SCALE: 1"=8'

REINSTALL GUARDRAIL

TYP.

If this scale bar does not measure 1" then drawing is not original scale.

Attention:

0 1"

Designed:

Checked:

Drawn:

P.E. No:

GEI Project

PRD

JEP

PRD

Approved: GLK

48098

2004145

ESTIMATED

PHREATIC SURFACE

TERMINATE EXISTING BARREL IN

FILTER SAND

SEE NOTE 6

LOCALIZED EXCAVATION AS

NECESSARY FOR ABANDONMENT

SEE NOTE 1

SPILLWAY ALIGNMENT

EXISTING GROUT BAG IN BARREL

LIMITS OF

CONSTRUCTION

TYP.

PROPOSED FILTER

BAFFLED CHUTE

PERMENANT SSP CUTOFF

MIN 12" FILL OVER SSP

REMOVE SSP COFFERDAM

ABANDON BARREL

VIA FLOWABLE FILL

REGRADE EXISTING

STREAM EXTENTS

WITH EMBANKMENT

FILL

WATERLINE SURVEYED 4/12/2022

RIPRAP BANKS

AND CHANNELFILTER DIAPHRAGM

SPILLWAY DROP INLET

SUGGESTED CONSTRUCTION SEQUENCE

1 MOBILIZE TO SITE

2 STAKE AND LAYOUT SPILLWAY ALIGNMENT, AN PERFORM SITE PREP

AS DESCRIBED ON SHEET C-3.0

3 INSTALL TEMPORARY COFFERDAM.

4 FUSION WELD 24" HDPE PIPE DOWNSTREAM OF EMBANKMENT.

5 PERFORM OPEN CUT EXCAVATION AND PREPARE SUBGRADE TO

APPROXIMATE STATION 0+25 to 0+60.

6 INSTALL DROP INLET STRUCTURE AND FUSION WELDED 24" HDPE

BARREL.

BACKFILL COMPLETED 24" HDPE TO APPROXIMATE ROAD

CENTERLINE BEFORE EXCAVATING FOR APPROXIMATE STATION

0+60 TO 0+90 FOR THE CONSTRUCTION OF THE BAFFLED CHUTE

AND REMAINING 24" HDPE.

CONSTRUCT FILTER DIAPHRAGM AND BACKFILL OPEN CUT

EXCAVATION ACCORDING TO PROJECT DRAWINGS AND

SPECIFICATIONS.

9 CONSTRUCT BAFFLED CHUTE STRUCTURE AND RIPRAP CHANNEL.

AFTER DROP INLET, 24" HDPE BARREL, BAFFLED CHUTE, AND

RIPRAP CHANNEL ARE CONSTRUCTED WITH APPROVAL FROM THE

ENGINEER, REMOVE THE TEMPORARY COFFERDAM.

11 SEAL OFF EXISTING RISER TO PASS BASE FLOWS THROUGH THE

NEW SPILLWAY.

ABANDON EXISTING BARREL AND LOWER PORTION OF RISER IN

PLACE WITH FLOWABLE FILL. (DEMO KEY PLAN 2)

ALLOW 24-48 HOUR CURE TIME, AND INSTALL PERMENANT

SEEPAGE CUTOFF THROUGH ABANDONED BARREL. (DEMO KEY

PLAN 3)

CUT RISER ONE (1) FOOT BELOW EXISTING GRADE. (DEMO KEY

PLAN 4)

15 CONSTRUCT GRADED FILTER BLANKET.

16 RESTORE DISTURBED AREAS.

17 DEMOBILIZE

FIBR

FIBR

FIBR

2+00

1+

1+

FIBR FIBR

FIBR

N: 407320.8831 E: 12822736.5156 771.00

GP-1

N: 407296.6565 E: 12822870.5835 771.00

GP-2

0+

0+

0+

0+

EL

EV

AT

IO

N

FE

ET

EL

EV

AT

IO

N

FE

ET

1.

0+00

4.

0+20

6.

0+40 0+600+600+00 0+20

9.

0+40 0+600+60

EL

EV

AT

IO

N

FE

ET

EL

EV

AT

IO

N

FE

ET

0.

0+00

5.

0+20

8.

0+40

5.

0+60

5.

0+600+00 0+20

0.

0+40 0+600+60

GRADING PLAN

C

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B\

Ya nk ee S pr in gs R

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Im pr ov em en ts

\H al l L ak e D am \0

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\D es ig n\ W or ki ng \G

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IN

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/1 3/

MICHIGAN

DEPARTMENT OF

TECHNOLOGY,

MANAGEMENT AND

BUDGET

3111 W. JOSEPH ST.

LANSING, MI

GEI CONSULTANTS OF MICHIGAN, P.C.

109 W. BARAGA AVENUE

MARQUETTE, MI 49855

(906)451-4021

Consultants

NO DATE ISSUE/REVISION APP

A 5/19/2023 100% ISSUE FOR PERMIT GLK

ISSUED FOR PERMIT

SHEET NAME DWG. NO.HALL LAKE DAM

REHABILITATION

GUN LAKE ROAD

MIDDLEVILLE, MI

BARRY COUNTY

SHEET NO.

If this scale bar does not measure 1" then drawing is not original scale.

Attention:

0 1"

Designed:

Checked:

Drawn:

P.E. No:

GEI Project

PRD

JEP

PRD

Approved: GLK

48098

2004145

PLAN

SCALE: 1" = 8'GRADING

A C-8.0

A C-8.0

B C-8.0

B C-8.0

A TYPICAL FILL

SECTION

SCALE: 1" = 8'

B TYPICAL CUT

SECTION

SCALE: 1" = 8'

C-9.0

VARY THICKNESS OF EMBANKMENT

FILL TO MATCH EXISTING GROUND

EXCAVATE AS NECESSARY TO CONSTRUCT

CONSISTENT FILTER THROUGHOUT

EXISTING GROUND

TYP.

PROPOSED FILTER

TYP.

BAFFLED CHUTE

FILTER DIAPHRAGM

24" HDPE

GRADING HINGE POINT

SEE NOTE 1

GRADING HINGE POINT

SEE NOTE 1

NOTES:

1. THE PROPOSED GRADING HINGE POINT IS DEFINED BY POINTS

GP-1 AND GP-2.

GRADE 1-2%

DOWNSTREAM

FOR DRAINAGE

C-8.0 file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt 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file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt file:///G:/Blocks/GEI%20General/D_GEI-Section-Mark-FULL_Help.txt

GEOTEXTILE

EMBANKMENT

FILL SEE

FILTER NOTE 1

TOP OF FILTER BLANKET

ELEV. 770.0

XXX

XXX

8"

8" 8"

TOP OF EMBANKMENT FILL

ELEV. 771.0

WATERSTOP NOTES:

1. ALL FIELD WELDS SHALL BE MADE PER WATERSTOP MANUFACTURER'S RECOMMENDATIONS.

ENGINEER SHALL INSPECT ALL FIELD WELDS FOR ACCEPTANCE PRIOR TO CONCRETE PLACEMENT

OR WALL FORM PLACEMENT

2. USE 6 INCH WATERSTOPS IN ALL CONSTRUCTION JOINTS UNLESS SPECIFALLY SHOWN OTHERWISE

3. FOR WALLS WITH SINGLE MAT OF REINFORCING LOCATE WATERSTOP ON LIQUID FACE 1" CLEAR OF

REINFORCEMENT

FIRST

WELD

FIRST

WELD

THIRD

WELD

MITER CORNERS OR VERTICAL

JOINTS & WELD SIMILAR AS SHOWN

BELOW FOR IN-PLANE JOINTS

VERTICAL CROSSVERTICAL TEEVERTICAL ELL

SECOND

WELD

SECOND

WELD

FLAT CROSSFLAT TEEFLAT ELL

"A"

"C" MIN STEM

THICKNESS

@ OUTSIDE

"B" MIN STEM

THICKNESS

@ CTR BULB

"D" CENTER BULB

OUTSIDE DIAMETER

"E" MIN BULB

THICKNESS

"F" APPROXIMATE NO. OF

RIBS EACH SIDE, EACH FACE

OF WATERSTOP

5/32"

1/8" PROJECTION

ALL RIBS, (TYP)

SIZE "A" "B" "C" "D" "E" "F"

4"x3/8" 4" 3/8" 3/8" 7/8" 1/4" 4

WATERSTOP

SCALE: NTS

X

XX

X

C

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/1 3/

MICHIGAN

DEPARTMENT OF

TECHNOLOGY,

MANAGEMENT AND

BUDGET

3111 W. JOSEPH ST.

LANSING, MI

GEI CONSULTANTS OF MICHIGAN, P.C.

109 W. BARAGA AVENUE

MARQUETTE, MI 49855

(906)451-4021

Consultants

NO DATE ISSUE/REVISION APP

A 5/19/2023 100% ISSUE FOR PERMIT GLK

ISSUED FOR PERMIT

SHEET NAME DWG. NO.HALL LAKE DAM

REHABILITATION

GUN LAKE ROAD

MIDDLEVILLE, MI

BARRY COUNTY

SHEET NO.

TYPICAL SECTIONS AND

DETAILS

C-9.0

FILTER SAND

FILTER GRAVEL

NOT TO SCALE

C-8.0 TYPICAL FILTER BLANKET

DETAIL

COARSE FILTER GRAVEL

VARIES

If this scale bar does not measure 1" then drawing is not original scale.

Attention:

0 1"

Designed:

Checked:

Drawn:

P.E. No:

GEI Project

PRD

JEP

PRD

Approved: GLK

48098

2004145

EMBANKMENT FILL

12" THICK MIN

GEOTEXTILE

FILTER NOTES:

1. VARY THICKNESS OF EMBANKMENT FILL BELOW FILTER BLANKET AS NECESSARY TO MEET EXISTING GROUND.

2. EXCAVATION OF THE EXISTING GROUND WILL BE NECESSARY AT SOME LOCATIONS TO CONSTRUCT THE FILTER

BLANKET.

3. BACKFILL AROUND THE ABANDONED BARREL WITH FILTER SAND TO THREE (3) FEET AROUND THE PIPE.

NOT TO SCALE

A

C-5.0 TYPICAL EXCAVATION TRENCH

SECTION

EXCAVATION NOTES:

1. EXCAVATION SHALL BE SUFFICIENTLY WIDE TO ALLOW COMPACTION EQUIPMENT ADJACENT TO BARREL.

2. SUBGRADE SHALL BE OVERBUILT WITH COMPACTED FILL PRIOR TO LOCALIZED EXCAVATION WHILE SHAPING TO

FIT CONDUIT BARREL.

3. IF EXISTING SOILS DESICCATE DURING EXCAVATION EXPOSURE, SOILS SHALL BE DISKED, MOISTENED, AND

RECOMPACTED PRIOR TO PLACEMENT OF FILL.

EXISTING GRADE

SEE EXC. NOTE 3

SEE EXC. NOTE 2

24" HDPE

BENCH EXCAVATION 2H:1V

SIDE SLOPES, TYP

SEE EXC. NOTE 1

NOT TO SCALE

B

C-5.0 FILTER DIAPHRAGM

SECTION

EMBANKMENT FILL

FILTER SAND

24" HDPE

EXTENTS OF

EXCAVATION

2' MIN.

3'

6'

2' MIN.

FILTER DIAPHRAGM OUTLET TRENCH

1H:1V SIDE SLOPES, TYP

FILTER DIAPHRAGM

3'

EXISTING GRADE

NOT TO SCALE

C-5.0 FILTER DIAPHRAGM

DETAIL

EMBANKMENT FILL

FILTER SAND

FILTER SAND DRAIN

SEE DIAPHRAGM NOTE 1

FILTER DIAPHRAGM

24" HDPE

3'

DIAPHRAGM NOTES:

1. EXTEND DIAPHRAGM FILTER SAND DRAIN TO THE FILTER SAND OF THE

DOWNSTREAM FILTER BLANKET.

FG

PROPOSED GRADE

1H:1V

1H:1V

1.5" HMA TOP COURSE

2" HMA BASE COURSE

8"

1/ 2"

1'

MDOT 22A AGGREGATE COURSE

EMBANKMENT FILL

SEE ROADWAY NOTE 1

ROADWAY NOTES:

1. NATIVE "EMBANKMENT FILL" MAY BE USED BENEATH THE

AGGREGATE COURSE PER APPROVAL FROM THE ENGINEER.

NOT TO SCALE

C-9.0 TYPICAL ROADWAY

DETAIL

ROADWAY

SEE DETAIL 1

2" TOPSOIL, SEED & MULCH

RIPRAP CHANNEL

SECTION

SCALE: 1" = 4'

C

C-6.0

GEOTEXTILE

20'

2' 1' 4' 6'

2'

RIPRAP

1'-6"

C

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dw g

/1 3/

MICHIGAN

DEPARTMENT OF

TECHNOLOGY,

MANAGEMENT AND

BUDGET

3111 W. JOSEPH ST.

LANSING, MI

GEI CONSULTANTS OF MICHIGAN, P.C.

109 W. BARAGA AVENUE

MARQUETTE, MI 49855

(906)451-4021

Consultants

NO DATE ISSUE/REVISION APP

A 5/19/2023 100% ISSUE FOR PERMIT GLK

ISSUED FOR PERMIT

SHEET NAME DWG. NO.HALL LAKE DAM

REHABILITATION

GUN LAKE ROAD

MIDDLEVILLE, MI

BARRY COUNTY

SHEET NO.

TECHNICAL

SPECIFICATIONS 1 OF 4

T-1.0

If this scale bar does not measure 1" then drawing is not original scale.

Attention:

0 1"

Designed:

Checked:

Drawn:

P.E. No:

GEI Project

PRD

JEP

PRD

Approved: GLK

48098

2004145

1. General Specifications

1.1 Responsible Parties

A. Owner: Michigan Department of Natural Resources (MDNR)/ Michigan Department of Technology, Management, and Budget (MDTMB).

B. Engineer: GEI Consultants of Michigan, P.C. (GEI)

C. Contractor: To Be Determined

D. Environmental Inspector: To Be Determined

1.2 Project Description

A. These notes refer to the work as depicted and noted on the "Hall Lake Dam Rehabilitation" drawings.

B. This project is located at the Hall Lake Dam, which is located near Middleville, MI. The project is owned and operated by the MDNR.

C. The work consists of installing a temporary excavation support system, constructing a new spillway drop inlet consisting of precast stormwater manhole components and an HDPE spillway barrel, and construction a reinforced concrete baffled spillway chute. Work also includes abandoning the existing 24” CMP culvert complete with flowable fill, constructing a graded seepage filter blanket along the downstream toe of the embankment, and a downstream channel tie in.

1.3 Work Sequence and Coordination

A. All work shall be coordinated with Mr. Bruce Watkins, State Facilities Administration and Design and Construction division, MDTMB, 3111 W. Joseph St., Lansing, MI 48917.and/or his designated on-site representative.

B. Contractor shall observe legal relations and responsibility to the public, scope of work, control of water, control of work, control of materials, prosecution and progress, and measurement and payment in conformance with the contract documents.

C. All work shall be performed in accordance with the technical specifications.

1.4 Safety

A. In accordance with generally accepted construction practices, the Contractor is responsible for job-site safety conditions, procedures, and programs. This requirement will apply continuously and not be limited to normal working hours. The Contractor is responsible for the protection of property and the safety and health of its employees, subcontractors, suppliers, agents, and others on or near the property.

B. Contractor is responsible for meeting all federal, state, and local rules and regulations pertaining to safety, and MDTMB/MDNR site specific safety guidelines.

C. Contractor shall be responsible for securing the site for public safety for the duration of the work. Contractor shall be responsible for all site safety precautions.

D. Submittal Requirement: Contractors site safety program. The program shall designate a safety officer and site-specific hazards and mitigation approaches. The plan shall outline the procedures used to prevent accidents and manage them if they occur.

1.5 Quality Control

A. Contractor is solely responsible for quality control of the work. Inspection and testing by the Owner's consultant are solely at the discretion of the Owner, and in no way relieve the Contractor of sole responsibility for maintaining a quality control program.

B. Contractor shall use adequate numbers of skilled workmen who are thoroughly trained, qualified, and experienced in the necessary craft, equipment and who are completely familiar with the specified requirements and methods needed for proper performance of the work.

C. Contractor shall provide all necessary supervision, planning, scheduling, coordination, inspection, testing and control to perform work.

D. Work not conforming to the project drawings and specifications will be identified through the use of non-conformance reports. Non-conformance reports will be issued to the Contractor, Owner, and Engineer for review and will be used to track the resolution of the deficiency.

E. Submittal Requirement: Contractors on-site Quality Control (QC) program. The program shall designate a QC supervisor, delineate recording measures for documentation, testing and inspections and identify reporting to the ENGINEER.

1.6 Quality Assurance

A. The Owner has employed an independent Quality Assurance (QA) Manager to observe the construction.

Contractor shall not conduct work without either Owner or their QA Manager present on site.

1.7 Regulatory Requirements

A. Contractor shall comply with applicable requirements of the laws, codes, ordinances, and regulations of federal, state, and municipal authorities having jurisdiction. Obtain necessary approvals from all such authorities.

B. Contractor shall complete work in compliance with county, state, and federal permits.

C. Contractor shall abide by the requirements of any project-specific permits.

D. The Owner shall obtain all necessary permits for project work.

1.8 Verification of Conditions

A. Examine the areas to receive the work and the conditions under which the work would be performed.

Contractor shall remedy conditions detrimental to the proper and timely completion of the work. Do not proceed until unsatisfactory conditions have been corrected.

B. Verify existing conditions, dimensions, elevations, and quantities in the field prior to preparation of any materials or commencement of any work. Any discrepancies between information shown on these drawings and actual field conditions shall be reported immediately to the Owner and Engineer.

1.9 Meetings

A. A pre-construction meeting is to be held on-site prior to the commencement of work.

B. Progress meeting frequency to be determined.

1.10 Submittals

A. The Contractor shall develop and submit a submittal register based on their review of the design documents for submittal to the Owner and Engineer. Provide the submittal register one week prior to the pre-construction meeting.

B. An electronic (pdf format) copy of the required submittals shall be emailed to the Owner and Engineer. The Owner and Engineer shall have seven (7) business days to review each submittal. Submittals shall be returned to the Contractor as either "No Exceptions Taken", "Approved as Noted", "Revise and Resubmit", or "Rejected" as defined as follows:

1. "No Exceptions Taken" - The material submittal is in general compliance with the project drawings and specifications and is acceptable for use.

2. "Approved as Noted" - The material submittal has been approved for use however the submittal does not meet the project specifications. The submittal may be "approved as noted" with or without the Owner requiring changes.

3. "Revise and Resubmit" - Do not proceed with work covered by submittal. Revise submittal in accordance with Engineer's notations. Resubmit without delay.

4. "Rejected" - The material submittal does not comply with the project drawings and specifications and is not approved for use.

C. The Contractor shall submit request for information (RFI) to the Owner and Engineer as needed. The Engineer will respond in writing to an RFI within 7 calendar days.

D. Contractor shall submit a written work plan that describes in detail the approach to be used in the completion of the work. The work plan shall be submitted one week prior to the pre-construction meeting.

The work plan shall include a narrative of the means and methods planned to execute the described work.

Include descriptions and supporting information for the following:

1. Proposed staffing plan to manage and execute the construction including supervisors and foreman

2. Detailed project schedule

3. Spill prevention control and countermeasures plan

4. Site safety plan

5. Quality control plan

6. Traffic control plan

7. Site staging, erosion control, and haul-route plan

8. Water control plan

9. Demolition plan

10. Cofferdam installation plan (Stamped by a Profession Engineer in the state of Michigan)

11. Excavation plan

12. Spillway Construction plan

13. Downstream Channel tie in plan.

14. Existing Spillway Barrel Abandonment plan

15. Graded filter construction plan

E. Contractor shall submit red-line edits to the project drawings reflecting the as-built conditions. The red-line edits shall be provided to the Engineer and Owner within two weeks of construction completion.

1.11 Protection

A. Contractor shall install sedimentation control comprised of silt fence, turbidity curtain and sediment retention fiber rolls as directed by the Owner's representative.

B. Contractor shall take necessary precautions to avoid damaging existing above ground and below ground utilities.

C. Contractor shall suitably protect all material, in-progress work, and finished work from damage or contamination. Repair any damages or clean up contaminated or flooded areas to the satisfaction of the Owner or QA Manager.

D. Contractor shall assume full responsibility for any and all damage resulting from Contractor's work.

Contractor shall repair or remove, and/or replace items that are damaged due to Contractor's activities.

Repair or replacement will be at the expense of the Contractor and must be performed, at a minimum, to the condition prior to construction. This includes any potential damage to the roadway structure or subbase.

1.12 Water Control

A. Contractor is responsible for establishing and maintaining control of surface, runoff, and seepage water at the site.

B. Permitted baseflows and flood flows up to 12 cfs shall be maintained by the Contractor during construction.

C. Divert inflows from streams, leaks, and seeps away from the Work.

D. Divert surface water away from excavated areas.

E. Maintain the required and selected flood-handling capacity throughout construction.

F. The Contractor shall be responsible for compliance with all permit conditions and shall be responsible for any water quality violations, penalties and fines resulting from construction activities including those resulting from a breach during construction. Repair any damage resulting from water control operations at not cost to the Owner.

G. Discharges from the project site shall not inhibit stream channel restoration work that will be conducted downstream during the same construction period.

H. After having served their purpose, remove all facilities and protective works or level as required by the Owner, so as not to interfere with the operation or usefulness of the reservoir, pipelines, channels and other facilities.

1.13 Cleaning

A. Contractor shall remove tracked debris with manual cleaning or street sweeping methods and accumulated sediment at a frequency to minimize off-site impacts.

B. Contractor shall maintain areas free from accumulations of waste, brush, debris, and rubbish caused by Contractor operations.

C. Contractor shall remove all construction related debris from areas outside the limits of the Contractors work area on a daily basis. No fires will be allowed without Owner approval.

D. Contractor shall legally dispose of all waste debris and rubbish at dump areas off Owner's property.

E. Contractor shall dispose of natural excavated materials at a location approved by the Owner off site.

F. On-site grout and concrete washout basins are not allowed.

2. Materials

2.1 General

A. All materials and fabrication shop drawings shall be submitted to the Engineer for acceptance prior to use.

2.2 Silt Fence

A. Select geotextile used to fabricate silt fence from the MDOT qualified products list. Silt fence must meet the requirements in the MDOT 2020 Standard Specifications for Construction Table 910-1 and have a nominal height of three feet.

B. Submittal Requirement: Provide manufacturer's cut sheet on proposed materials.

2.3 Turbidity Curtain

A. Abasco Type II Turbidity Curtain (or approved equivalent), minimum 18 oz. per square yard, with adjustable length for varying water heights (furling lines) and appropriately designed anchoring system.

B. The turbidity curtain shall be a commercially available, preassembled system, including a geotextile, flotation system, bottom weight, and anchoring and securing mechanism that incorporates buoys. If assembled in panels, it will include a secure mechanism for joining panels together.

C. For hanging curtains (Standard and Impermeable), geotextile must conform to the requirements specified in the Drawings.

D. Hemmed pockets must be sewn or heat bonded to contain flotation material, bottom weights, and for anchor lines

E. The flotation material must maintain buoyancy if punctured or cut.

F. The bottom weight must be sufficient to hold the curtain in a vertical position.

G. The anchorage lines must be of sufficient strength and number to support the curtain and its components and maintain it in a position under normally expected conditions and flood conditions. At a minimum the anchors shall be at least 40 lb at intervals no greater than 100 ft along the length of the curtain.

H. Normal conditions include the forces of waves, wind, currents and discharge flows.

I. Turbidity curtain shall be the floatation type fabricated from impermeable fabric of adequate width to reach within 12-24 inches of the lake bottom.

J. Submittal Requirement: Contractor shall submit the manufacturer's product data and installation methods.

2.4 Water for Dust Control

A. The mineral content of dust control water shall not exceed potable water standards.

2.5 Sediment Retention Fiber Roll

A. Sediment Retention Fiber Roll shall be a tubular shaped product specifically manufactured for erosion and sediment control. Biodegradable logs shall be manufactured using interwoven biodegradable plant material such as straw, coir, or wood shavings in biodegradable or photodegradable netting that is of sufficient strength to resist damage during handling installation and use. Logs shall be in accordance with the 2012 Standard Specifications for Construction Subsection.

B. Submittal Requirement: Manufacturer's product data sheet.

2.6 Geotextile Fabric

A. Non-woven geotextile fabric shall meet the requirements shown in Table 910-1 of MDOT Specifications for Geotextile Liner.

B. Pins: minimum 12 inches long, 3/16-inch nominal diameter, pointed at one end and fitted with a 1.5-inch diameter washer at the other end.

C. Submittal Requirement: Proposed supplier including address and phone number along with a product data sheet.

2.7 Steel Sheet Piling

A. Sheet piling shall be undamaged hot-rolled steel sections of continuous interlocking sheets conforming to ASTM A328 grade 50.

B. The interlocks of sheet piling shall be free sliding, provide a swing angle suitable for the intended installation, but not less than 10-degrees when interlocked, and maintain continuous interlocking when installed.

C. Individual sheets to be a PZC-18 or approved equivalent with the following parameters:

1. Min. Elastic section modulus: PZC-18: 33.5 in3 / ft

2. Min. Moment of inertia: PZC-18: 255.5 in4 / ft

D. Bracing: Provide bracing as required by the Contractors Michigan PE approved Cofferdam Installation Plan.

E. Submittal Requirement: Shop Drawings of sheet pile and bracing system. Product data sheet of sheets and structural members indicated conformance with specifications above.

2.8 Structural Steel

A. Structural steel angles, channels, plates, rod, and bars shall conform to ASTM A36.

B. Intake structure trash rack shall be hot dipped galvanized conforming to ASTM A123.

C. Threaded fasteners and anchors

1. Structural threaded anchors and bolts shall conform to ASTM A325. Connections shall be bearing-type connections, unless specified otherwise. Riveted fasteners will not be allowed. Structural nuts shall be hexagonal ASTM A563, unless otherwise specified, and compatible in grade and finish with the bolts. Provide washer for each nut and bolt head. Washers shall be of the same material as the nuts.

D. Epoxy Anchors

1. Threaded rod for epoxy anchors shall be Hilti HAS or A36 threaded rod installed with Hilti HIT-HY-200R or 200A Adhesive Anchoring System or engineer approved equal.

2. Nuts shall be ASTM F594 - Specification for Stainless Steel Nuts, Alloy Group 1 or 2. Provide washer for each nut. Washers shall be of the same material as the nuts.

E. Welding

1. All welds shall be performed with a low hydrogen E70XX electrode in accordance with the AWS "Welding Handbook" and supplemented by other pertinent standards of the AWS.

F. Finishing

1. All permanent structural steel, fasteners, and anchors shall be hot dipped galvanized in accordance with ANSI/ASTM A123.

2. No specific finish is required for temporary structural steel elements.

G. Submittal Requirements:

1. Shop drawings for each fabricated item. Fabrication drawings showing details of fabrication and demonstrating compliance with specification requirements. Include dimensions, sizes, finishes, fasteners, welds, and materials of construction. For standard manufactured items, submit catalog work sheets showing illustrated cuts of items to be furnished, including scale details, dimensions, and materials. Reference all construction materials by ASTM designations and grades.

2. Detailed placement or erection drawings indicating locations of fabricated items. Reproduction of contract documents will not be accepted for this purpose. Verify all dimensions to ensure proper fit of all fabricated items.

3. Welders' certificates - certify welders employed on the work, verifying AWS qualifications within the previous 12 months.

2.9 High Density Polyethylene (HDPE) Pipe

A. HDPE pipe used for spillway barrel construction shall be Standard Dimension Ratio (SDR) 17 pipe with an outside diameter equal to 24 inches.

B. All HDPE pipes shall conform to ASTM D3350-21: Standard Specification for Polyethylene (PE) Pipe (SDR-PR) Based on Outside Diameter.

C. The pipe shall be homogenous throughout and free of visible cracks, holes, foreign inclusions, voids, signs of excessive deflection during transport or other injurious defects.

D. Joints for HDPE pipe shall be butt fusion welded and shall meet AWWA Standard C 906-90 (or most recent version).

E. Submittal Requirement: Manufacturer's product data sheet.

2.10 Flowable Fill (CLSM)

A. Flowable fill shall be a pumpable controlled low strength material (CLSM) consisting of cement and sand with a maximum compressive strength of 250 psi at 28 days when tested in accordance with ASTM D4832.

B. The material shall have a high mobility with a flow cone efflux time of 35 seconds or less through a 3/4” orifice. The CONTRACTOR will be responsible for performing the mobility testing, and the QA MANAGER shall be responsible for strength testing. The QA MANAGER may also perform supplemental testing, but this does not relieve the CONTRACTOR's duties to perform QC testing of materials.

C. Flowable fill shall have a density greater than 70 pcf.

D. Bulkheads For Pipe Sections

1. Grout Bulkhead: Cement-based dry-pack grout conforming to ASTM C 1107, Grade B or C.

2. Manufactured Bulkhead: Commercially available plug or cap specifically designed and manufactured to be used with pipe being abandoned.

E. Submittal Requirements: Proposed mix design, historical test results, manufacturer's product data sheets, bulkhead construction plan.

2.11 Precast Structures

A. The Spillway Drop Inlet shall be precast and shall conform to ASTM Designation C478. The manhole, lid, walls and foundation, shall be adequately designed to handle all applicable loads. The Spillway Drop Inlet will not be subject to vehicular loading.

B. Minimum wall thickness shall be 6-inches of reinforced concrete.

C. Joints shall be sealed with o-ring gaskets conforming to ASTM C 443.

D. Joints shall be interlocking to secure proper alignment between members and prevent migration of soil through the joint.

E. Opening for penetrations shall be smooth and free of surface irregularities and without exposed steel reinforcing.

F. Spillway Drop Inlet access port shall be 24” in diameter with a 26” diameter lip capable of accommodating the manhole cover such that it sits flush with the top of the manhole lid.

G. Submittal Requirements: Submit materials, drawings and manufacturer's information 14 days prior to installation on-site.

H. The spillway drop inlet structure is to be subjected to an exfiltration test. All incoming and outgoing pipelines shall be plugged and the manhole filled with water up to +/- 6 inches of the manhole cover. If the water loss exceeds the maximum allowable as shown below, the manhole shall have failed the test.

Depth of Drop inlet(ft) Max allowable water loss 0-8 1inch/5min >8 1/8 gal/vertical ft/5min

NOTE: Any failure of the above test shall be inspected as to the source of the problem, corrected, and retested.

2.12 Covers and Castings

A. Frames and covers for openings shall be cast-iron, ASTM A48, of Neenah Foundry Company, Neenah, Wisconsin, or approved equal.

B. The manhole cover shall be a slotted 26” diameter Neenah Type G grate.

C. Submittal Requirements: Manufacturers product data sheet.

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MICHIGAN

DEPARTMENT OF

TECHNOLOGY,

MANAGEMENT AND

BUDGET

3111 W. JOSEPH ST.

LANSING, MI

GEI CONSULTANTS OF MICHIGAN, P.C.

109 W. BARAGA AVENUE

MARQUETTE, MI 49855

(906)451-4021

Consultants

NO DATE ISSUE/REVISION APP

A 5/19/2023 100% ISSUE FOR PERMIT GLK

ISSUED FOR PERMIT

SHEET NAME DWG. NO.HALL LAKE DAM

REHABILITATION

GUN LAKE ROAD

MIDDLEVILLE,…