Minnawanna IFB Drawings_10.16.2026 - 26331.pdf

PDF 13 MB Posted Oct 19, 2026

Attached to: 751/26331. SAA; Hadley SRA - Minnawanna Dam Improvements
Solicitation number: RFQ 171 270000000027 1
Issued by: Kent County, Michigan

About this file

Written by GovTribe AI · Oct 20, 2026

This is a set of design and construction drawings for dam improvements at Minnawanna Dam located at the Metamora-Hadley State Recreation Area in Metamora, Michigan. The project is prepared by GEI Consultants of Michigan for the Michigan Department of Technology, Management, and Budget (DTMB), with the Michigan Department of Natural Resources as the project owner. The work addresses multiple dam improvements including installation of a downstream filter, primary spillway high-density polyethylene (HDPE) lining for the low-level outlet and discharge sections, replacement of the trash rack, replacement of the walkway and associated railing, and two alternates consisting of parapet wall installation with guard rail and auxiliary spillway riprap lining with a new crest concrete walkway. The drawings comprise 31 sheets detailing existing conditions, proposed improvements, soil erosion and sediment control measures, and construction details. The dam is classified as Significant Hazard with a hydraulic head of 32.1 feet and a dam height of 33 feet, with a normal pool elevation of 947 feet and a 100-year flood pool elevation of 948.1 feet.

The project is subject to compliance with Michigan Department of Environment, Great Lakes and Energy (EGLE) regulations and applicable federal and state permits. The contractor must submit a work plan detailing the proposed sequence of construction and is responsible for obtaining all necessary permits beyond those obtained by the owner. Temporary staging, storage, and access areas must be restored to original condition, with all restored grassed areas seeded and mulched. Site access is provided as shown on the erosion and sediment control plan sheet, and the contractor must coordinate with 811 Miss-Dig One Call prior to commencement of work. Maximum surcharge load on the dam crest is limited to AASHTO HS-20 loading, and any equipment or material exceeding this load requires a sealed submittal from a Michigan-licensed professional engineer for owner and engineer review and approval. The project uses vertical datums of NAVD88 and horizontal datums of NAD83 Michigan State Plane, Central Zone, International Foot.

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Minnawanna Combined Specifications_10.15.2026 - 26331.pdf	PDF	Oct 19, 2026
_DTMB-0415 Advertisement - 26331.pdf	PDF	Oct 19, 2026
Service Disabled Veteran Owned Business Info Sheet 2025.pdf	PDF	Oct 19, 2026

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INTERSTATE

69INTERSTATE

INTERSTATE

Barry

Ottawa

Lake

Oscoda

Montmorency

Berrien

Gogebic

Washtenaw

Leelanau

Grand Traverse

Kalamazoo

Monroe

Clinton

Chippewa

Hillsdale

Benzie

Livingston

St. ClairShiawassee

Van Buren

Lenawee

Wayne

Sanilac

Ingham

Oakland

MissaukeeManistee

Muskegon

Luce

Roscommon

Jackson

Antrim

Cass

Eaton

Midland

Mackinac

Gratiot

Emmet

Arenac

Bay

Gladwin

Cheboygan

Branch

Osceola

Charlevoix

Houghton

Keweenaw

Allegan

Alcona

Presque Isle

Genesee

Marquette

Clare

Alpena

Menominee

Mason

Kalkaska

Lapeer

Isabella

Delta

BaragaOntonagon

Iron

St. Joseph

Saginaw Montcalm

Kent

Crawford

Wexford

Mecosta

Otsego

Calhoun

Oceana

Tuscola

Dickinson

Macomb

Newaygo

Alger

Schoolcraft

Ionia

Iosco

Huron

Ogemaw

WOODS, OWEN B:\Working\DTMB\2204947 ARPA Dam and Culvert Improvements\00_CAD\500_Minnawanna\Design\Sheets\G-01 Cover Sheet.dwg - 10/16/2026

METAMORA-HADLEY RECREATION AREA

MINNAWANNA DAM IMPROVEMENTS

3871 HERD RD

METAMORA, MI 48455

THIS DOCUMENT, AND THE IDEAS AND DESIGNS INCORPORATED

HEREIN, IS AN INSTRUMENT OF PROFESSIONAL SERVICE, IS THE

PROPERTY OF GEI CONSULTANTS AND IS NOT TO BE USED, IN WHOLE

OR IN PART, FOR ANY OTHER PROJECT WITHOUT THE WRITTEN

AUTHORIZATION OF GEI CONSULTANTS.

STATE MAP

(NOT TO SCALE)

SITE LOCATION MAP

(NOT TO SCALE)

SOURCE:

AERIAL IMAGE FROM MICROSOFT CORPORATION, MAXAR 2022

NO. DATE ISSUE/REVISION APP

A 10/16/2026 REV F - IFB REVISION 2026

Consultants

PREPARED BY:

GEI CONSULTANTS OF MICHIGAN, P.C.

401 S. WASHINGTON SQUARE SUITE 103

LANSING, MI 48933

(517) 803-4600

SITE

DWG. NO.DWG. NO.

SHEET NO.

REV NO.

G-1.0

DTMB FILE NUMBER: 751/26331.SAA

GEI PROJECT NO. 2204947

PREPARED FOR:

MICHIGAN DEPARTMENT OF

TECHNOLOGY, MANAGEMENT, AND

BUDGET (DTMB)

3111 WEST JOSEPH ST.

LANSING, MI 48917

(517) 241-5545

PROJECT OWNER:

MICHIGAN DEPARTMENT OF NATURAL

RESOURCES

28681 OLD NORTH RIVER ROAD

HARRISON TOWNSHIP, MI 48045

(517) 284-6367

DEPARTMENT OF TECHNOLOGY, MANAGEMENT AND BUDGET

STATE OF MICHIGAN

ADAM P. LACH, RA, DIRECTOR

STATE FACILITIES ADMINISTRATION

DESIGN AND CONSTRUCTION DIVISION

FOR BID

DWG. NO. SHEET NO. SHEET NAME

G-1.0 1 COVER SHEET

G-2.0 2 GENERAL NOTES AND LEGEND

G-2.1 3 TYPICAL STRUCTURAL DETAILS

G-3.0 4 OVERALL EXISTING CONDITIONS PLAN

G-3.1 5 EXISTING CONDITIONS EMBANKMENT PLAN AND PROFILE VIEW

G-3.2 6 EXISTING EMBANKMENT AND PRIMARY SPILLWAY CROSS SECTION VIEW

G-3.3 7 EXISTING SPILLWAY PLAN

G-3.4 8 EXISTING SPILLWAY SECTIONS

EC-1.0 9 SOIL EROSION AND SEDIMENT CONTROLS PLAN

EC-2.0 10 SOIL EROSION AND SEDIMENT CONTROL DETAILS

B-1.0 11 SOIL BORING AND MONITORING WELL LOCATION PLAN

CW-1.0 12 CONSTRUCTION PHASES

D-1.0 13 OVERALL DEMOLITION

D-2.0 14 ALT 2 - AUXILIARY SPILLWAY DEMOLITION

C-1.0 15 PROPOSED SPILLWAY PLAN & PROFILE VIEW (1 OF 2)

C-1.1 16 PROPOSED SPILLWAY PLAN & PROFILE VIEW (2 OF 2)

C-2.0 17 PROPOSED EMBANKMENT SECTIONS

C-3.0 18 PROPOSED EMBANKMENT DETAILS

C-3.1 19 ALT 2 - PROPOSED AUXILIARY SPILLWAY DETAILS (1 OF 2)

C-3.2 20 ALT 2 - PROPOSED AUXILIARY SPILLWAY DETAILS (2 OF 2)

C-4.0 21 ALT 1 - PROPOSED PARAPET WALL DETAILS

S-1.0 22 PROPOSED PRIMARY SPILLWAY PLAN AND SECTION

S-2.0 23 PROPOSED SPILLWAY TRASH RACK DETAILS

S-2.1 24 PROPOSED SPILLWAY TRASH RACK SECTIONS AND DETAILS

S-3.0 25 SPILLWAY OPERATOR WALKWAY GRATING AND DETAILS

S-4.0 26 OPERATOR WALKWAY GRATING DETAILS

S-5.0 27 GUARDRAIL DETAILS 1 OF 2

S-5.1 28 GUARDRAIL DETAILS 2 OF 2

S-6.0 29 TYPICAL CONCRETE REPAIR DETAILS

R-1.0 30 RESTORATION EMBANKMENT PLAN VIEW

R-1.1 31 SPOILS AREA PLAN VIEW

GENERAL NOTES AND

LEGEND

SPT-B5 Boring ID

SPT Blowcount (blows/ft) 16

SM, Silty Sand, Silty Sand with Gravel

SW, Well Graded Sand, Well Graded Sand with Gravel

GC, Clayey Gravel

GM, Silty Gravel, Silty Gravel with Sand

GP, Poorly Graded Gravel, Poorly Graded Gravel with Sand

ML, Silt or Sandy Silt

SC, Clayey SAND

SP, Poorly Graded Sand, Poorly Graded Sand with Gravel

GW, Well Graded Gravel, Well Graded Gravel with Sand

SPT BORING LOG LEGEND

El . 4

.0 ft

Approx. Boring Elevation

Fill

CL, Lean Clay

W O

O D

S, O

B :\W or ki ng \D

D am a nd

C ul ve rt

Im pr ov em en ts

\0 0_

_M in na w an na

\D es ig n\

Sh ee ts \G

-0

G en er al

N ot es a nd L eg en d.

dw g

DTMB

111 WEST JOSEPH ST

LANSING, MI 48917

GEI CONSULTANTS OF MICHIGAN, P.C.

401 S. WASHINGTON SQUARE

SUITE 103

LANSING, MI 48933

(517)803-4600

Consultants

NO DATE ISSUE/REVISION APP

A 10/16/2026 REV F - IFB REVISION 2026

SHEET NAME

SHEET NO.

METAMORA-HADLEY

STATE RECREATIONAL AREA

MINNAWANNA DAM

IMPROVEMENTS

3871 HERD RD

METAMORA, MI 48455

For Bid

DWG 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

CFG

MEC

DTE

Approved: CFG

57642

2204947

G-2.0

SCREENED INTERVAL

WATER LEVEL

WELL ID

MONITORING WELL LEGEND

TOP OF WELL CASING

BOTTOM OF WELL CASING

DESIGN STATEMENT:

1. PROPOSED WORK IS DESIGNED TO ADDRESS DAM IMPROVEMENTS INCLUDING:

1.a. DOWNSTREAM FILTER.

1.b. PRIMARY SPILLWAY HDPE LINING (LLO AND DISCHARGE).

1.c. REPLACE TRASHRACK.

1.d. REPLACE WALKWAY AND ASSOCIATED RAILING.

1.g. ALTERNATE 1 - PARAPET WALL INSTALLATION ALONG WITH GUARD RAIL.

1.h. ALTERNATE 2 - AUXILLIARY SPILLWAY RIPRAP LINING.

1.i. ALTERNATE 2 - AUXILLIARY SPILLWAY NEW CREST CONCRETE WALKWAY.

GENERAL NOTES:

1. THESE NOTES SUPPLEMENT THE PROJECT SPECIFICATIONS. BEFORE BEGINNING CONSTRUCTION, THE CONTRACTOR SHALL VERIFY ALL CRITICAL DIMENSIONS, LOCATIONS, AND ELEVATIONS BEFORE PROCEEDING WITH WORK. ANY DISCREPANCY FOUND AMONG THE DRAWINGS, SPECIFICATIONS, THESE NOTES, AND THE SITE CONDITIONS SHALL BE REPORTED TO THE OWNER'S REPRESENTATIVE (GEI), WHO SHALL CORRECT SUCH DISCREPANCY IN WRITING. ANY WORK DONE BY THE CONTRACTOR AFTER

DISCOVERY OF SUCH DISCREPANCY SHALL BE DONE AT CONTRACTOR'S RISK.

2. THE CONTRACTOR SHALL SUBMIT SHOP DRAWINGS FOR ENGINEER REVIEW PRIOR TO PROCEEDING

WITH ANY WORK OF FABRICATION.

3. CONSTRUCTION IS SUBJECT TO THE RULES AND REGULATIONS OF THE MICHIGAN DEPARTMENT OF

ENVIRONMENT, GREAT LAKES AND ENERGY (EGLE). SUBSTANTIVE CHANGES TO THE APPROVED

DRAWINGS AND SPECIFICATIONS MAY REQUIRE EGLE APPROVAL.

4. PRIMARY SITE ACCESS TO THE PROJECT IS PROVIDED AS SHOWN ON SHEET EC-1.0.

5. THE SUBSURFACE UTILITY INFORMATION IN THESE DRAWINGS SHALL BE ASSUMED TO BE

APPROXIMATE. THE CONTRACTOR SHALL MAKE ANY NECESSARY INVESTIGATIONS AND COORDINATION

WITH THE 811 MISS-DIG ONE CALL PRIOR TO COMMENCEMENT OF ANY WORK ACTIVITIES.

6. CONTRACTOR IS RESPONSIBLE FOR DEVELOPING AND IMPLEMENTING A SEQUENCE AND SCHEDULE FOR COMPLETION OF THE WORK IN ACCORDANCE WITH APPLICABLE PROVISIONS OF THE CONTRACT

DOCUMENTS. THE CONTRACTOR SHALL SUBMIT THEIR WORK PLAN WHICH SHALL INCLUDE THE

PROPOSED SEQUENCE OF WORK.

7. TEMPORARY STAGING, STORAGE, STOCKPILE AND ACCESS AREAS SHALL BE WITHIN WORK LIMITS AND RESTORED BY THE CONTRACTOR TO ORIGINAL CONDITION. ALL RESTORATION OF GRASSED AREAS

SHALL BE WITH SEED AND MULCH.

8. THE EXISTING TOPOGRAPHY HEREIN IS FOR INFORMATIONAL PURPOSES ONLY. THE ENGINEER AND OWNER ARE NOT RESPONSIBLE FOR ANY MISCHARTED OR UNCHARTED UTILITIES, OR OTHER ERRORS DETECTED. IT IS THE RESPONSIBILITY OF THE CONTRACTOR TO VERIFY ALL SITE CONDITIONS.

9. EXISTING CONDITIONS SHOWN ON THE DRAWINGS ARE APPROXIMATE, ACTUAL FIELD CONDITIONS MAY

VARY. REFER TO REFERENCE DRAWINGS AND SPECIFICATIONS FOR ADDITIONAL INFORMATION

REGARDING EXISTING CONDITIONS.

10.LAKE WATER LEVEL VARIES. INDICATIONS OF WATER LEVELS SHOWN ON THE DRAWINGS MAY NOT BE REPRESENTATIVE OF ACTUAL WATER LEVELS THAT MAY BE ENCOUNTERED DURING PERFORMANCE OF

WORK BY THE CONTRACTOR.

11.CONTRACTOR SHALL PROVIDE APPLICABLE SIGNAGE AND TEMPORARILY RESTRICT PUBLIC ACCESS TO

THE WORK AREAS.

12.MAXIMUM SURCHARGE LOAD ON CREST OF THE DAM SHALL BE LIMITED TO AASHTO HS-20 LOADING. IF THE CONTRACTOR PROPOSES EQUIPMENT OR MATERIAL ON THE CREST IN EXCESS OF THE MAXIMUM LOAD, A SUBMITTAL PREPARED AND SEALED BY A PROFESSIONAL ENGINEER LICENSED IN THE STATE OF MICHIGAN SHALL BE PROVIDED TO THE OWNER AND ENGINEER FOR REVIEW AND APPROVAL PRIOR

TO THE START OF CONSTRUCTION.

COORDINATION:

1. SCHEDULE, COORDINATE, AND PERFORM THE WORK TO MEET THE OVERALL PROJECT SCHEDULE

CONSTRAINTS.

2. COORDINATE WITH THE OWNER FOR DESIGNATION OF SPECIFIC WORK AREAS FOR RESTRICTED

ACCESS DURING PARTICULAR PERIODS OF THE WORK, AS WELL AS NEED FOR FENCING, SIGNAGE, AND OTHER MEASURES NECESSARY TO PROTECT THE PUBLIC, COMPLETED WORK, WORK IN PROGRESS, AND CONTRACTOR'S EQUIPMENT AND PROPERTY ON SITE.

3. MAINTAIN FULL AND COMPLETE ACCESS TO WORK TO OWNER, ENGINEER, AND REGULATORY

PERSONNEL.

PERMITTING AND ENVIRONMENTAL:

1. COMPLY WITH ALL REQUIREMENTS OF OWNER-OBTAINED PROJECT PERMITS (EGLE). CONTRACTOR

SHALL OBTAIN ALL OTHER PERMITS NECESSARY FOR CONSTRUCTION OF THE WORK. PROJECT

PERMITS INCLUDE, BUT ARE NOT LIMITED TO, DTMB SESC, LAPEER COUNTY, ETC.

SPACIAL DATUM INFORMATION:

1. VERTICAL: NATIONAL AMERICAN VERTICAL DATUM OF 1988 (NAVD88).

2. HORIZONTAL: NORTH AMERICAN DATUM OF 1983 (NAD83), MICHIGAN STATE PLANE, CENTRAL ZONE, INTERNATIONAL FOOT.

3. CONTROL MONUMENTS ON-SITE SHALL BE REFERRED TO CONFIRM HORIZONTAL AND VERTICAL

MEASUREMENTS.

EXISTING DATA SOURCES:

1. SITE TOPOGRAPHY LIDAR BY USGS 2015 AND GEI 2023.

2. BATHYMETRY OBTAINED FROM MDNR GIS OPEN DATA PORTAL 2023 AND GEI 2024.

3. AERIAL BY MICROSOFT CORPORATION, MAXAR 2022 AND GEI 2023.

4. ORIGINAL CONSTRUCTION DRAWINGS OBTAINED FROM MICHIGAN DNR.

5. WETLAND DELINEATION PERFORMED BY GEI CONSULTANTS AUGUST 2023.

6. GEOTECHNICAL EXPLORATION CONDUCTED BY GEI CONSULTANTS JUNE 2023.

DAM ID 576

HAZARD CLASS SIGNIFICANT

HYDRAULIC HEAD 32.1

DAM HEIGHT 33

NORMAL POOL EL 947

WINTER POOL EL 944

100-YEAR FLOOD POOL EL 948.1

NORMAL TAILWATER EL 926

PRIMARY SPILLWAY INVERT EL 946.2

LOW LEVEL OUTLET INVERT EL 918

AUXILIARY SPILLWAY INVERT EL 948

MONTH MEAN FLOWS (CFS)

JANUARY 4.5

FEBRUARY 5.9

MARCH 9.6

APRIL 9

MAY 5.5

JUNE 3.1

JULY 1.7

AUGUST 1.4

SEPTEMBER 2

OCTOBER 2.7

NOVEMBER 3.4

DECEMBER 4

MONTHLY SOUTH BRANCH FARMERS CREEK

MEAN FLOWS AT LAKE MINNAWANNA DAM:

STORM EVENT INFLOW (CFS) SPILLWAY OUTFLOW (CFS) RESULTING PEAK WSE (FT) WINTER POOL RESULTING

PEAK WSE (FT)

2 64 44 947 944 5 108 80 947 944

10 159 122 948 945 50 347 324 948 945

100 458 445 948 945 200 589 580 949 946

ANTICIPATED FLOOD FLOWS:

LINETYPE LEGEND

INDICATES DETAIL NUMBER

SECTION

SECTION AND DETAIL LEGEND

INDICATES DRAWING

NUMBER ON WHICH

DETAIL IS DRAWN

DETAIL

INDICATES DRAWING NUMBER ON

INDICATES SECTION DESIGNATION

WHICH SECTION IS DRAWN

A C-03

C-02

ABBREVIATIONS

APPROX = APPROXIMATE

BM = BENCHMARK

BO = BOTTOM OF

CJ = CONSTRUCTION JOINT

CMP = CORRUGATED METAL PIPE

C\L = CENTER LINE

CLR = CLEAR

CLSM = CONTROLLED LOW-STRENGTH MATERIAL

CONC = CONCRETE

CONT = CONTINUOUS

CORR = CORRUGATED

CSP = CORRUGATED STEEL PIPE

CTRD = CENTERED

DI = DUCTILE IRON PIPE

D/S = DOWNSTREAM

EG = EXISTING GRADE

EO = EDGE OF

EOR = ENGINEER OF RECORD

EX = EXISTING

EF = EACH FACE

EL OR ELEV = ELEVATION (FEET)

EQ/SP = EQUALLY SPACED

ESMT = EASEMENT

EW = EACH WAY

FEW = FLARED END SECTION

FF = FINISHED FLOOR

FG = FINISHED GROUND

FL = FLOW LINE

FT = FEET

GALV = GALVANIZED

GA = GAUGE

HDPE = HIGH DENSITY POLYETHYLENE

HMA = HOT MIX ASPHALT

HOR = HORIZONTAL

HP = HIGH POINT

HYD = HYDRANT

HW = HEADWATER

ID = INSIDE DIAMETER

IE = INVERT ELEVATION

INV = INVERT

LCS = LAP COMPRESSION SPLICE

Ld = DEVELOPMENT LENGTH

LTS = LAP TENSION SPLICE

LP = LOW POINT

MAX = MAXIMUM

MH = MANHOLE

MIN = MINIMUM

MM = MOVEMENT MONUMENT

MON = MONUMENT

NTS = NOT TO SCALE

OC = ON CENTER

OD = OUTSIDE DIAMETER

OCEW = ON CENTER EACH WAY

OH = OPPOSITE HAND

OHWM = ORDINARY HIGH WATER MARK

PROP = PROPOSED

PL = PLATE

PMF = PROBABLE MAXIMUM FLOOD

PVC = POLYVINYL CHLORIDE

RC = REINFORCED CONCRETE

RCC = ROLLER COMPACTED CONCRETE

RCP = REINFORCED CONCRETE PIPE

ROW = RIGHT OF WAY

SDF = SPILLWAY DESIGN FLOOD

SDR = STANDARD DIMENSIONAL RATIO

SS = STAINLESS STEEL

SSP = STEEL SHEET PILE

STA = STATION

STM = STORM

STD = STANDARD

TBD = TO BE DETERMINED

TO = TOP OF

TW = TAIL WATER

TYP/(TYP) = TYPICAL

UON = UNLESS OTHERWISE NOTED

U/S = UPSTREAM

VERT = VERTICAL

VIF = VERIFY IN FIELD

WL = WETLAND

WS = WATERSTOP

WSEL = WATER SURFACE ELEVATION

W/ = WITH

HATCH LEGEND

EXISTING

CONCRETE

STEEL GRATING

EXISTING

FOUNDATION

DEMOLITION

PROPOSED

REINFORCED

CONCRETE

RIPRAPFILTER SAND

DRAINAGE

STONE

WETLANDS

AGGREGATE

BERM FILL

AREA

SYMBOLS LEGEND

1H:1V

- GUY ANCHOR AND POLE

- LIGHT POLE

- POWER AND TELEPHONE POLE

- TELEPHONE POLE

- POWER POLE

- BREAK IN LINE

- SET 1/2" IRON ROD

- FOUND SURVEY CORNER

- SOIL BORING

- MONITORING WELL

- 1/4 SECTION CORNER

- BENCH MARK

- EXISTING SIGN-1 POST

- EXISTING SIGN-2 POST

- WATER ELEVATION

- FLOW DIRECTION

- CUT SLOPE

- FILL SLOPE

- DRAIN OUTLET

WETLAND

TOPSOIL AND

SEED

TOPSOIL AND

SEED

FENCE LINE (WOOD)

CENTERLINE

WATER ELEVATION

FENCE LINE (STEEL)X X X X

OVERHEAD ELECTRIC LINESO/E O/E O/E

UNDERGROUND CABLECATV CATV

EXISTING MAJOR CONTOURS

ROADWAY CENTERLINE

EDGE OF ROADWAY (UNPAVED)

SILT FENCE

BURIED PIPING

EXISTING MINOR CONTOURS

SF SF SF

PROPOSED MAJOR CONTOURS

PROPOSED MINOR CONTOURS

GAS LINEGAS GAS

SHEETPILE

EASEMENT LINE

PROPERTY LINE

EASE EASE

SECTION LINE

100YR 100YR 100-YEAR FLOODPLAIN

ORDINARY HIGH WATERMARK (OHWM)

LIMITS OF DISTURBANCE

TURBIDITY CURTIAN

SNOW FENCE

UNDERDRAIN PIPING

UNKNOWN

CONSTRUCTION ACCESS ROUTE

WETLAND LIMITSWET WET

TREELINE

COMMUNICATION CABLECOMM COMM

GRAVEL

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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

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

"A"

"F" APPROXIMATE NO.

OF RIBS EACH SIDE

EACH FACE OF

WATERSTOP

"B" MIN STEM THICKNESS

@ CTR BULB

"C" MIN STEM

THICKNESS

@ OUTSIDE

1/4"

TYPE

6"x3/8" 6" 3/8" 3/8" 7/8" 1/4" 66" W/ BULB

1/8" PROJECTION

ALL RIBS, TYP

"D" "D" CTR BULB OD

6"x3/8" 6" 3/8" 3/8" - 66" NO BULB

"E" MIN BULB

THICKNESS

MITER CORNERS OF VERTICAL

JOINTS & WELD SIMILAR AS SHOWN

BELOW FOR IN-PLANE JOINTS

VERTICLE "L" VERTICAL TEE VERTICAL CROSS FLAT TEE FLAT CROSS

SECOND

WELD

FIRST

WELD

SECOND

WELD

FIRST

WELD

THIRD

WELD

FLAT "L"

NOTE 1

REINF CONTINUOUS

THROUGH JOINT, OR

SPLICED AS SHOWN

WATERSTOP

1ST POUR

1' -0

2ND POUR

LTS TOP

LTST

4" C

LRBOTTOM OR

INTERIOR FACE

TOP OR EXTERIOR FACE

TYPICAL REINFORCING BENDS

TYPICAL REINFORCING END NOTES:

1. ALL BENDS SHALL BE MADE COLD.

2. #14 & #18 BARS SHALL BE BEND TESTED & LAB APPROVED PRIOR TO BENDING.

PRINCIPAL REINFORCING

90° HOOK

#3 - #5 90 MAX OFFSET BEND

D1 D2 #3 - #8 6d #3 - #5 4d

#9 - #11 8d #6 - #8 #9 - #11

6d 8d

W O

O D

S, O

B :\W or ki ng \D

D am a nd

C ul ve rt

Im pr ov em en ts

\0 0_

_M in na w an na

\D es ig n\

Sh ee ts \G

-0 2-

Ty pi ca l S tru ct ur al D et ai ls .d w g

DTMB

111 WEST JOSEPH ST

LANSING, MI 48917

GEI CONSULTANTS OF MICHIGAN, P.C.

401 S. WASHINGTON SQUARE

SUITE 103

LANSING, MI 48933

(517)803-4600

Consultants

NO DATE ISSUE/REVISION APP

A 10/16/2026 REV F - IFB REVISION 2026

SHEET NAME

SHEET NO.

METAMORA-HADLEY

STATE RECREATIONAL AREA

MINNAWANNA DAM

IMPROVEMENTS

3871 HERD RD

METAMORA, MI 48455

For Bid

DWG NO.

TYPICAL STRUCTURAL

DETAILS

G-2.1

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

CFG

MEC

DTE

Approved: CFG

57642

2204947

WATERSTOP NOTES

1. NON-ROUND CENTER BULBS SHALL HAVE A MINIMUM OUTSIDE DIMENSION OF 'D'.

2. BULB TYPE WATERSTOP SHOWN IS REQUIRED FOR EXPANSION AND CONTRACTION

JOINTS. SIMILAR WATERSTOPS WITHOUT CENTER BULB MAY BE SUBSTITUTED AT

CONSTRUCTION JOINTS.

3. USE 6 INCH WATERSTOPS IN ALL JOINTS UNLESS SPECIFICALLY SHOWN OTHERWISE.

4. ALL PVC WATERSTOPS SHALL BE INSTALLED SO AS TO FORM A CONTINUOUS

WATERTIGHT DIAPHRAGM IN THE JOINT, INCLUDING AT ALL SPLICES AND CHANGES

IN ORIENTATION. WATERSTOP SHALL END 6" BELOW TOP OF WALLS, UNLESS

OTHERWISE NOTED.

NO SCALEWATERSTOPS

TYP DETAIL13

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

REINFORCEMENT.

NO SCALEPVC WATERSTOP JOINTS

TYP DETAIL15

NOTES

1. EDGE OF 1ST POUR TO HAVE ROUGHENED SURFACE WITH 1/4" AMPLITUDE OR 1 1/2"x5 1/2"

KEY AT 24" OC.

2. "T" = THICKNESS OF SLAB OR WALL.

NO SCALECONSTRUCTION JOINTS (CJ)

TYP DETAIL14

SCHEDULE OF DEVELOPEMNENT & LAP SPLICE LENGTHS

BAR SIZE 3 4 5 6 7 8 9 10 11 14 18

BARS OTHER THAN TOP

BARS *

DEVELOPMENT LENGTH

(Le) 1'-0" 1'-0" 1'-1" 1'-4" 1'-11" 2'-3" 2'-6" 3'-0" 3'-8" 5'4" 9'-6"

CLASS B LAP SPLICE (Lts) 1'-4" 1'-4" 1'-5" 1'-9" 2'-7" 2'-11" 3'-3" 3'-11" 4'-10

TOP BARS *

DEVELOPMENT LENGTH

(Le) 1'-0" 1'-2" 1'-5" 1'-9" 2'-7" 2'-11" 3'-3" 3-11" 4'-10

6'-11

12'-4

CLASS B LAP SPLICE (Lts) 1'-4" 1'-6" 1'-11" 2'-3" 3'-4" 3'-9" 4'-3" 5'-1" 6'-3" - -

STANDARD HOOKS IN TENSION 0'-7" 0'-9" 0'-11" 1'-1" 1'-4" 1'-6" 1'-8" 1'-11" 2'-1" 2'-6" 3'-4"

STRAIGHT BARS IN COMPRESSION 0'-8" 0'-9" 0'-11" 1'-2" 1'-4" 1'-6" 1'-8" 1'-11" 2'-1" 2'-6" 3'-5"

* NOTE: "TOP BARS" ARE HORIZONTAL BARS PLACES SUCH THAT MORE THAN 12 INCHES OF FRESH CONCRETE IS CAST BELOW.

SCHEDULES IS VALID FOR THE FOLLOWING CONDITIONS:

COMPRESSIVE STRENGTH OF CONCRETE: f'c = 4,500 psi YIELD STRENGTH OF REINFORCEMENT: fy = 60 KSI

CLEAR COVER ON BARS: CLR = 3 IN. MINIMUM BAR SPACING (O.C.): SP = 6.00 IN.

NON-EPOXY-COATED BARS.

NORMAL-WEIGHT CONCRETE.

STEEL REINFORCING COVER REQUIREMENTS

CONCRETE SECTION MINIMUM CLEAR

COVER

UNIFORM SURFACE IN CONTACT WITH FOUNDATION 4 INCHES

FORMED SURFACES

EQUAL TO OR GREATER THAN 24 INCHES THICK 4 INCHES

GREATER THAN 12 INCHES AND LESS THAN 24 INCHES THICK 3 INCHES

POURS THINNER THAN 12 INCHES CAST AGAINST AND PERMANENTLY

EXPOSED TO EARTH 3 INCHES

POURS THINNER THAN 12 INCHES EXPOSED TO EARTH AND WEATHER

#6 TO #18 BAR 2 INCHES

#5 BAR OR SMALLER 1 1/2 INCHES

WET

WETWETWETWETWETWET

WET

WETLAND EXTENTS

DELINEATED 05/23/2023

48" ID CMP OUTLET

INV EL 917'

EXISTING BOX CULVERT

INV EL 940'

AUXILIARY SPILLWAY DISCHARGE CHUTE

AUXILIARY SPILLWAY

CREST EL 948.8'

SOUTH BRANCH

FARMER'S CREEK

MINNAWANNA LAKE DAM

SUMMER POOL EL = APPROX 947'

WINTER POOL EL = APPROX 944'

948950

6 94

8 94

6 94

COMM COMM COMM COMM COMM

: 7

+1 1.

: 8

+1 1.

0+00

8+69.40

9501+00 2+00

3+00

4+00

5+00 6+00 7+00 8+00

PRIMARY

EMBANKMENT

CREST EL 950'

SOUTH BRANCH

FARMER'S CREEK

PRIMARY

SPILLWAY

N: 528762.3315 E: 13395101.4572

951.40 N: 528691.6857

E: 13395030.6817 950.37

N: 528621.0398 E: 13394959.9063

950.18

N: 528550.3939 E: 13394889.1309

950.17

N: 528479.7767 E: 13394818.3842 950.25

N: 528409.1022 E: 13394747.5801 950.38

N: 528338.4563 E: 13394676.8046

950.18 N: 528267.8104 E: 13394606.0292 949.33

N: 528202.9525 E: 13394529.9686

947.48 N: 528168.7740 E: 13394469.8200 946.19

INSTALL TRAIL

CLOSURE BARRICADE

INSTALL ROAD

CLOSURE

BARRICADE

W O

O D

S, O

B :\W or ki ng \D

D am a nd

C ul ve rt

Im pr ov em en ts

\0 0_

_M in na w an na

\D es ig n\

Sh ee ts \G

-0 3-

Ex is tin g C on di tio ns

E m ba nk m en t P la n an d Pr of ile

.d w g

DTMB

111 WEST JOSEPH ST

LANSING, MI 48917

GEI CONSULTANTS OF MICHIGAN, P.C.

401 S. WASHINGTON SQUARE

SUITE 103

LANSING, MI 48933

(517)803-4600

Consultants

NO DATE ISSUE/REVISION APP

A 10/16/2026 REV F - IFB REVISION 2026

SHEET NAME

SHEET NO.

METAMORA-HADLEY

STATE RECREATIONAL AREA

MINNAWANNA DAM

IMPROVEMENTS

3871 HERD RD

METAMORA, MI 48455

For Bid

DWG NO.

OVERALL EXISTING

CONDITIONS PLAN

SCALE, FEET

60 120

G-3.0

OVERALL EXISTING CONDITIONS

SCALE: 1" = 60'PLAN

24" ID CMP INLET

UTILITY MARKED BY MISSDIG

SLOPE ARMORING

8-INCH COBBLE

SLOPE ARMORING

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

CFG

MEC

DTE

Approved: CFG

57642

2204947

WET

WETWETWETWETWETWETWETWETWET

WET

WETWET

WET

WET WET

WET

48" ID CMP OUTLET

INV EL 917'

EXISTING BOX CULVERT

INV EL 940'

AUXILIARY SPILLWAY DISCHARGE CHUTE

6 94

COMM COMM COMM COMM COMM COMM COMM

: 7

+1 1.

: 8

+1 1.

0+00

8+69.40

9501+00 2+00

3+00

4+00

5+00 6+00 7+00 8+00

PRIMARY

EMBANKMENT

CREST EL 950'

PRIMARY

SPILLWAY

CB-1CB-2

HA-3A

HA-2

HA-1

HA-3

M-1

M-2

0+00 1+00 2+00 3+00 4+00 5+00 6+00 7+00 8+00 8+69

PRIMARY SPILLWAY

BOTTOM OF EMBANKMENT FILL

922.7 WATER LEVEL

READING 8/23/2023

937.4 WATER LEVEL

READING 8/25/2023

SUMMER POOL EL APPROX 947'

WINTER POOL EL APPROX 944'

W O

O D

S, O

B :\W or ki ng \D

D am a nd

C ul ve rt

Im pr ov em en ts

\0 0_

_M in na w an na

\D es ig n\

Sh ee ts \G

-0 3-

Ex is tin g C on di tio ns

E m ba nk m en t P la n an d Pr of ile

.d w g

DTMB

111 WEST JOSEPH ST

LANSING, MI 48917

GEI CONSULTANTS OF MICHIGAN, P.C.

401 S. WASHINGTON SQUARE

SUITE 103

LANSING, MI 48933

(517)803-4600

Consultants

NO DATE ISSUE/REVISION APP

A 10/16/2026 REV F - IFB REVISION 2026

SHEET NAME

SHEET NO.

METAMORA-HADLEY

STATE RECREATIONAL AREA

MINNAWANNA DAM

IMPROVEMENTS

3871 HERD RD

METAMORA, MI 48455

For Bid

DWG NO.

EXISTING CONDITIONS

EMBANKMENT PLAN AND

PROFILE VIEW

SCALE, FEET

40 80

G-3.3

G-3.1

EMBANKMENT EXISTING CONDITIONS

SCALE: 1" = 30'PROFILE

A G-3.2

EMBANKMENT EXISTING CONDITIONS

SCALE:1" = 40'PLAN

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

CFG

MEC

DTE

Approved: CFG

57642

4+00

0 10 20 30 40 50 60 70 80 90 100 110 120 130 1400102030405060708090100110120130140150

RIPRAP

122'± @ 0.7% GRADE54'±

SUMMER POOL EL APPROX 947'

WINTER POOL EL APPROX 944'

PRIMARY SPILLWAY

EL 948.5'

INV EL 918.0'

INV EL 917.8'

TOP OF SLAB EL 917.5'

24" ID CMP

DAM CREST EL 950.0'

48" ID CMP

INV EL 917.0'

19.3'

WSEL 916' ±

W O

O D

S, O

B :\W or ki ng \D

D am a nd

C ul ve rt

Im pr ov em en ts

\0 0_

_M in na w an na

\D es ig n\

Sh ee ts \G

-0 3-

C ro ss

S ec tio n.

dw g

DTMB

111 WEST JOSEPH ST

LANSING, MI 48917

GEI CONSULTANTS OF MICHIGAN, P.C.

401 S. WASHINGTON SQUARE

SUITE 103

LANSING, MI 48933

(517)803-4600

Consultants

NO DATE ISSUE/REVISION APP

A 10/16/2026 REV F - IFB REVISION 2026

SHEET NAME

SHEET NO.

METAMORA-HADLEY

STATE RECREATIONAL AREA

MINNAWANNA DAM

IMPROVEMENTS

3871 HERD RD

METAMORA, MI 48455

For Bid

DWG NO.

EXISTING EMBANKMENT

AND PRIMARY SPILLWAY

CROSS SECTION VIEW

G-3.2

EXISTING CONDITION

SECTION - STA. 4+00

SCALE: 1" = 10'

PHOTO 1: VIEW OF INLET STRUCTURE FROM RIGHT EMBANKMENT PHOTO 2: VIEW OF DAM CREST LOOKING LEFT (SOUTH) FROM RIGHT EMBANKMENT PHOTO 3: VIEW OF OUTLET PIPE LOOKING UPSTREAM PHOTO 4: VIEW OF OUTLET STRUCTURE LOOKING EAST TOWARD UPSTREAM

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

CFG

MEC

DTE

Approved: CFG

CONCRETE SUPPORT

18" x 12" x 4'-0"

8'-2"

C3X6 STEEL (TYP)

RAIL POST (TYP)

8'-2"6"

6" 6"

2'- 0"

6" 6"

8'- 0" ℄

6" 1'-

0" 1'-

0" 2'-

6" 2'-

48" ID CMP

24" ID CMP

HINGED

GRATING

STOPLOGS

C3X6 STEEL (TYP)

GRATING

1'-0"6" 3'-0" 1'-0" 11'-0"

2'-9" 2'-9"5'-6"

TRASH RACK

1'-0" 6"

18'-0"

1'-0"

EXISTING SPILLWAY

PLAN

PRIMARY SPILLWAY

PLAN

SCALE: 1/32" = 1'-0"

A G-3.4

W O

O D

S, O

B :\W or ki ng \D

D am a nd

C ul ve rt

Im pr ov em en ts

\0 0_

_M in na w an na

\D es ig n\

Sh ee ts \G

-0 3-

Ex is tin g Sp illw ay

P la n.

dw g

DTMB

111 WEST JOSEPH ST

LANSING, MI 48917

GEI CONSULTANTS OF MICHIGAN, P.C.

401 S. WASHINGTON SQUARE

SUITE 103

LANSING, MI 48933

(517)803-4600

Consultants

NO DATE ISSUE/REVISION APP

A 10/16/2026 REV F - IFB REVISION 2026

SHEET NAME

SHEET NO.

METAMORA-HADLEY

STATE RECREATIONAL AREA

MINNAWANNA DAM

IMPROVEMENTS

3871 HERD RD

METAMORA, MI 48455

For Bid

DWG NO.DWG NO.

G-3.3

B G

-3.4 B

G -3.4

C G

-3.4 C

G -3.4

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

CFG

MEC

DTE

Approved: CFG

57642

2204947 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 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 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 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

2'- 4"

8'-2"8'-2"

24" x 24" SLIDE GATE

ARMCO MODEL 30-05

BRONZE MOUNTED

ADJUSTABLE STEM GUIDE

ARMCO, TYPE 1

1 1/2" GALV. PIPE

RAILING (TYP)

GATE HOIST

ARMCO MODEL

W/ BRONZE LIFT NUT

C3X6 STEEL (TYP)

1'- 6"

48" ID CMP

24" ID CMP

1'- 6"

6'- 0"

POUR CENTER FILLET

AFTER WALLS. SHAPE

TO PIPE INVERT

1'- 6"

6'- 0"

2'- 6"

1'- 0" 1'-

6" 6"

1'-0"

3'-0"

17'-6"

4 CROSS BRACES @ 5'±

C3X6 STEEL (TYP)

4'-0"4'-0"4'-0"

3'-0"5'-0"

(TRASH RACK NOT SHOWN)

11'-0"

3'-0" 6" 6"

GRATING

INV EL 918.0'

INV EL 917.8'

EL 946.5'

STOP LOG

INV EL 943.5'

1'- 6"

8'-0"

24" ID CMP

TO SLAB

EL 917.5'

CONCRETE

WALL BEYOND

RAILING

BEYOND

1'-0"

1'- 6"

2'- 0"

1'- 0"

2'- 0"

48" ID CMP

TO SLAB

EL 917.5

STOP LOG INV EL

943.5', TYP

TRASH RACK, TYP

CONCRETE

WALL BEYOND

RAILING

BEYOND

9" RADIUS

1'-0"

W O

O D

S, O

B :\W or ki ng \D

D am a nd

C ul ve rt

Im pr ov em en ts

\0 0_

_M in na w an na

\D es ig n\

Sh ee ts \G

-0 3-

Ex is tin g Sp illw ay

S ec tio ns

.d w g

DTMB

111 WEST JOSEPH ST

LANSING, MI 48917

GEI CONSULTANTS OF MICHIGAN, P.C.

401 S. WASHINGTON SQUARE

SUITE 103

LANSING, MI 48933

(517)803-4600

Consultants

NO DATE ISSUE/REVISION APP

A 10/16/2026 REV F - IFB REVISION 2026

SHEET NAME

SHEET NO.

METAMORA-HADLEY

STATE RECREATIONAL AREA

MINNAWANNA DAM

IMPROVEMENTS

3871 HERD RD

METAMORA, MI 48455

For Bid

DWG NO.

EXISTING SPILLWAY

SECTIONS

- PRIMARY SPILLWAY

SECTION

SCALE: 3/8" = 1'-0"

- UPSTREAM FACE

SECTION

SCALE: 3/8" = 1'-0"

- PRIMARY SPILLWAY

SECTION

SCALE: 3/8" = 1'-0"

G-3.4

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

CFG

MEC

DTE

Approved: CFG

WET

WETWETWETWETWETWET

WET

SF SF SF SF SF SF SF SF SF SF SF SF SF

SF SF

1+00 2+00 3+00 4+00 5+00 6+00 7+00 8+00 0+00

8+69.40

MINNAWANNA LAKE

948950

8 94

6 94

INSTALL TEMPORARY

SITE FENCING

INSTALL ROAD

CLOSURE BARRICADE

INSTALL TRAIL

CLOSURE BARRICADE

SILT FENCE

TURBIDITY CURTAIN

STAGING/LAYDOWN AREA

INSTALL ROAD

CLOSURE

BARRICADE

SILT FENCE

LIMIT OF DISTURBANCE

SILT FENCE

ACCESS ROAD

INSTALL TRAIL

CLOSURE BARRICADE

CONSTRUCTION

ENTRANCE

WETLAND

CONTRACTOR DESIGNED

TEMPORARY BYPASS SYSTEM

CONTRACTOR DESIGNED

TEMPORARY SIPHON

ENERGY DISSIPATOR

PRIMARY SPILLWAY

W O

O D

S, O

B :\W or ki ng \D

D am a nd

C ul ve rt

Im pr ov em en ts

\0 0_

_M in na w an na

\D es ig n\

Sh ee ts \E

C -0

P la n.

dw g

DTMB

111 WEST JOSEPH ST

LANSING, MI 48917

GEI CONSULTANTS OF MICHIGAN, P.C.

401 S. WASHINGTON SQUARE

SUITE 103

LANSING, MI 48933

(517)803-4600

Consultants

NO DATE ISSUE/REVISION APP

A 10/16/2026 REV F - IFB REVISION 2026

SHEET NAME

SHEET NO.

METAMORA-HADLEY

STATE RECREATIONAL AREA

MINNAWANNA DAM

IMPROVEMENTS

3871 HERD RD

METAMORA, MI 48455

For Bid

DWG NO.

SOIL EROSION AND

SEDIMENT CONTROLS

PLAN

EC-1.0

SCALE, FEET

60 120

SITE ACCESS & STAGING

SCALE: 1" = 60'PLAN

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

CFG

MEC

DTE

Approved: CFG

FLOW

DIRECTION

3'-0" MAX.

EXISTING GROUND

BACKFILL AND

COMPACT TRENCH

WITH EXCAVATED SOIL

GEOTEXTILE FABRIC

WOOD POSTS 4'-0"

MIN. LENGTH 2'-0" MIN.

DEPTH IN GROUND

1"x1"x24"

WOOD STAKE

COMPACT EXCAVATED

SOIL ON BERM

CREST SIDE

SET WATTLE ROLL IN

2" - 3" DEEP TRENCH

12" MIN

INSTALL STAKE PERPENDICULAR

TO SLOPE FACE

2" -3

CONCRETE BLOCK AND PVC

COATED STEEL CABLE ANCHORS

CURTAINS IN POSITION

USCG

APPROVED

HAZARD BUOY

TIED TO

CONCRETE

BLOCK EVERY

40' TO MARK

SILT CURTAIN

AREA

5" PVC PIPE SEALED WITH WATERTIGHT…

This is the start of the file's text. The full file is on GovTribe.

File details come from the government source that posted it. Updated Oct 20, 2026.