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ARCHITECTS. ENGINEERS. PLANNERS

OHM-ADVISORS.COM

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424 HANCOCK STREET

HANCOCK, MICHIGAN 49930

PH. 906.482.0535

F 906.482.6453

7136-21-0010

AGGREGATE SURFACE CONSTRUCTION

1. NEW AGGREGATE MATERIAL FOR ROAD AND TRAIL SURFACE SHALL MEET THE REQUIREMENTS OF SECTION

902 OF THE 2020 MDOT STANDARD SPECIFICATIONS FOR CONSTRUCTION AND SHALL BE MDOT CLASS 23A

OR AS APPROVED BY THE ENGINEER.

2. AGGREGATE MATERIAL FOR ROAD AND TRAIL SURFACE SHALL BE CONSTRUCTED PER SECTION 306 OF THE

2020 MDOT STANDARD SPECIFICATIONS FOR CONSTRUCTION.

UTILITY NOTES

1. THE CONTRACTOR SHALL BE FULLY RESPONSIBLE FOR THE LOCATION AND PROTECTION OF ALL

EXISTING UTILITIES. THE CONTRACTOR SHALL VERIFY ALL UTILITY LOCATIONS PRIOR TO

CONSTRUCTION BY CALLING MISS-DIG (811) AT LEAST 3 WORKING DAYS PRIOR TO EXCAVATION.

2. THE UTILITY LOCATIONS ARE BASED ON FIELD OBSERVATIONS AND A CAREFUL REVIEW OF UTILITY

RECORDS. HOWEVER, IT IS NOT POSSIBLE TO DETERMINE THE PRECISE SIZE, LOCATION, DEPTH, PRESSURE, OR ANY OTHER CHARACTERISTICS OF UNDERGROUND UTILITIES, TANKS OR SEPTIC

FIELDS WITHOUT EXCAVATION. THEREFORE, WE CANNOT GUARANTEE THE ACCURACY OR

COMPLETENESS OF THE BURIED UTILITY INFORMATION HEREON SHOWN. THE CONTRACTOR SHALL

HIRE A PRIVATE UTILITY LOCATOR TO LOCATE UTILITIES ON SITE. IT SHALL BE THE RESPONSIBILITY

OF THE CONTRACTOR TO VERIFY THESE UTILITY LOCATIONS PRIOR TO CONSTRUCTION AND MAKE

EVERY EFFORT TO PROTECT AND/OR RELOCATE THEM AS REQUIRED. THE CONTRACTOR SHALL

NOTIFY THE ENGINEER/SURVEYOR AS SOON AS POSSIBLE IN THE EVENT A DISCREPANCY IS FOUND.

3. THE CONTRACTOR SHALL ASSUME RESPONSIBILITY FOR THE PROTECTION OF ALL EXISTING

UTILITIES DURING CONSTRUCTION. ALL UTILITIES DAMAGED DURING CONSTRUCTION SHALL BE

REPAIRED WITH LIKE MATERIAL. THE EXACT LOCATION OF EXISTING UTILITIES SHALL BE LOCATED

BY HAND DIGGING.

ALGER DELTA ELEC ELECTRIC

426 N 9TH STREET, GLADSTONE, MI 49837

SHANNON PRIEBE

906-428-4141

SPRIEBE@ALGERDELTA.COM

AT&T TELECOM

211 E B ST, IRON MOUNTAIN, MI 49801

MARSHA BERTOLDI

906-396-9488

MB8983@ATT.COM

REMOVAL

1. ALL TEMPORARY SOIL EROSION AND SEDIMENTATION CONTROL MEASURES SHALL BE IN PLACE PRIOR

TO STARTING REMOVALS.

2. REMOVALS SHALL BE DONE AS SHOWN ON THE PLANS OR AS DIRECTED BY THE ENGINEER.

3. SAW CUTTING FOR PAVEMENT REMOVAL AS SHOWN ON THE PLANS OR AS DIRECTED BY THE

ENGINEER SHALL BE TO THE DEPTH REQUIRED FOR NEAT REMOVAL OF PAVEMENT OR CONCRETE. DO

NOT OVERCUT PAST ENDS OR CORNERS. REPAIR/RESTORE ALL DAMAGED AREAS.

4. SAW CUTTING DEPTH SHALL BE ADEQUATE TO PREVENT SPALLING, CHIPPING, OR DAMAGE TO

EXISTING PAVEMENT EDGES LEFT IN PLACE AS DIRECTED.

5. CLEARING OF ALL VEGETATION WHERE PROPOSED CONSTRUCTION WARRANTS SHALL BE PAID FOR BY

CLEARING THE BRUSH AND TREES LESS THAN 30" IN DIAMETER. CONTRACTOR SHALL REVIEW

CLEARING LIMITS WITH THE ENGINEER PRIOR TO THE CLEARING OPERATION.

6. ANY ADDITIONAL TREE REMOVALS, CLEARING, GRADING, ETC. NEEDED FOR THE CONTRACTOR'S

STAGING AND/OR WORK OPERATIONS SHALL BE COMPLETED AND AREA RESTORED TO THE

SATISFACTION OF THE OWNER WITHOUT ADDITIONAL COMPENSATION.

7. ADDITIONAL WORK OUTSIDE OF THE LIMITS AS SHOWN ON THE PLAN SHALL BE SUBMITTED TO THE

ENGINEER FOR APPROVAL PRIOR TO STARTING THE ADDITIONAL WORK.

8. MATERIALS REMOVED SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR AND BE PROPERLY

DISPOSED OF AT AN OFF SITE LOCATION.

EARTHWORK, GRADING & RESTORATION

1. THE CONTRACTOR SHALL RESTORE ALL ADJACENT AREAS UPON COMPLETION OF THE PROJECT.

2. ALL DISTURBED AREAS SHALL BE BROUGHT TO FINAL GRADE AND STABILIZED AS SOON AS POSSIBLE

AFTER BEING DISTURBED. PERMANENT SOIL EROSION AND SEDIMENTATION CONTROL MEASURES

SHALL BE INSTALLED WITHIN FIVE CALENDAR DAYS OF COMPLETING FINAL GRADING.

3. ALL PERMANENT SLOPES LESS THAN 2:1 SHALL BE STABILIZED USING TOPSOIL & MULCH BLANKETS.

4. ALL PERMANENT SLOPES STEEPER THAN 2:1 SHALL BE STABILIZED USING HIGH VELOCITY MULCH

BLANKET.

5. CONTRACTOR SHALL PLACE SALVAGED AND ADDITIONAL TOPSOIL, SEED AND MULCH ON ALL

DISTURBED AREAS NOT UNDER PAVEMENT OR OTHERWISE LABELED, AS DIRECTED BY THE ENGINEER

TO PROVIDE A MINIMUM 3" THICKNESS. SEED MIX DESIGN FOR ALL SLOPE RESTORATION SHALL BE PER

TABLE 816-1 & 917-1 OF THE MICHIGAN DEPARTMENT OF TRANSPORTATION STANDARD SPECIFICATIONS

FOR CONSTRUCTION.

6. ALL FILL SHALL BE CLEAN INERT MATERIAL.

7. ALL EXCAVATIONS UNDER OR WITHIN 3 FEET OF PUBLIC PAVEMENT, EXISTING OR PROPOSED, SHALL BE

BACKFILLED AND COMPACTED WITH SAND (MDOT CLASS II).

8. SURPLUS EXCAVATED MATERIAL MAY BE USED TO FLATTEN FILL SLOPES AS DIRECTED BY THE

ENGINEER. ANY SURPLUS OR UNSUITABLE MATERIAL, INCLUDING PEAT EXCAVATION, UNABLE TO BE

USED SHALL BECOME THE PROPERTY OF THE CONTRACTOR FOR DISPOSAL.

9. CONTRACTOR SHALL SUBMIT LOCATIONS OF MATERIAL STOCKPILES TO THE ENGINEER FOR APPROVAL.

PROTECT ADJACENT AREAS WITH SILT FENCE AS REQUIRED.

SOIL EROSION AND SEDIMENTATION CONTROL

1. SOIL EROSION AND SEDIMENTATION CONTROL SHALL BE IN ACCORDANCE WITH THE 2020 MICHIGAN

DEPARTMENT OF TRANSPORTATION STANDARD SPECIFICATION FOR HIGHWAY CONSTRUCTION, AND THE

CONTRACTOR SHALL COMPLY WITH LOCAL RULES AND REGULATIONS FOR SOIL EROSION AND

SEDIMENTATION CONTROL.

2. ALL SOIL EROSION AND SEDIMENTATION CONTROLS SHALL BE IN ACCORDANCE WITH MDOT STANDARD

PLAN R-96 SERIES.

3. THE CONTRACTOR SHALL EMPLOY A MICHIGAN DEPARTMENT OF ENVIRONMENT GREAT LAKES & ENERGY

(EAGLE) CERTIFIED STORM WATER OPERATOR ON ALL SITES WITH A DISTURBANCE OF FIVE OR MORE

ACRES (PERMIT-BY-RULE). THE OPERATOR SHALL COMPLETE ALL INSPECTIONS AND REPORTS TO COMPLY

WITH SESC PERMIT REQUIREMENTS. THE PROJECT COVERS APPROXIMATELY X ACRES.

4. THE CONTRACTOR SHALL CONDUCT HIS OPERATIONS IN SUCH A MANNER AS TO MINIMIZE THE AREAS LEFT

BARREN DURING CONSTRUCTION AND TO DISTURB ONLY THOSE AREAS ABSOLUTELY REQUIRED FOR THE

CONSTRUCTION OF THE PROJECT.

5. EROSION CONTROL ITEMS SHALL BE INSTALLED AND MAINTAINED ON A REGULAR BASIS AS DIRECTED BY

THE ENGINEER AND SHALL BE REMOVED WHEN NO LONGER EFFECTIVE AS DETERMINED BY THE ENGINEER.

TEMPORARY EROSION CONTROL MEASURES SHALL BE MAINTAINED UNTIL PERMANENT SOIL CONTROL IS IN

PLACE AND STABILIZED. NO SEPARATE PAYMENT SHALL BE ALLOWED FOR EITHER MAINTENANCE OF

REMOVAL OF THE EROSION CONTROL ITEMS.

6. THE CONTRACTOR SHALL REMOVE SEDIMENT COLLECTED IN CULVERTS AND SUMPS OF ALL DRAINAGE

STRUCTURES IN THE VICINITY OF THE PROJECT WHEN SUCH SEDIMENT EXCEEDS ½ OF THE SUMP DEPTH

OR CULVERT DIAMETER. THE ENGINEER WILL INSPECT CULVERTS, SUMPS, AND ALL SESC ITEMS AFTER

STORM EVENTS AND DIRECT THE CONTRACTOR TO CLEAN OUT ALL CULVERTS, SUMPS, AND ALL SESC

ITEMS. CLEANING PIPING AND SUMPS FOR SEDIMENTATION CONTROL SHALL NOT BE PAID FOR

SEPARATELY. DEBRIS REMOVED SHALL BE DISPOSED OF IN ACCORDANCE WITH APPLICABLE

REGULATIONS.

7. THE CONTRACTOR SHALL FOLLOW LOCAL RULES AND REGULATIONS FOR SOIL EROSION AND

SEDIMENTATION CONTROL FOR ALL MATERIALS THAT ARE DISPOSED OF OFF THE PROJECT SITE.

8. IF THE PROJECT OR ANY CONSTRUCTION ACTIVITY IS STOPPED FOR ANY LENGTH OF TIME OTHER THEN

THAT ENCOUNTERED IN A NORMAL WORK WEEK, EVERY PRECAUTION SHALL BE TAKEN TO PROTECT THE

UNCOMPLETED WORK FROM EROSION, INCLUDING THE PLACEMENT OF RIP RAP, HAY BALES OR OTHER

ACCEPTABLE TEMPORARY PRECAUTION.

9. THE CONTRACTOR SHALL SWEEP PAVED ROADS AND OTHER PAVED SURFACES DAILY, OR AS REQUESTED

BY THE ENGINEER, TO REMOVE TRACKED SOIL AND DEBRIS.

10. THE CONTRACTOR SHALL INSTALL SILT FENCES AND ROCK FILTERS AS TEMPORARY EROSION AND

SEDIMENTATION CONTROL IN DISTURBED AREAS AS REQUIRED AND AS SHOWN ON THE PLANS.

11. THE CONTRACTOR SHALL INSTALL NON-WOVEN FILTER FABRIC ON ALL CATCH BASINS DURING

CONSTRUCTION TO FILTER MATERIALS ENTERING CATCH BASINS.

12. THE CONTRACTOR SHALL CLEAN OUT ALL CATCH BASINS AND FLUSH OUT ALL LINES AT THE COMPLETION

OF THE PROJECT.

13. THE CONTRACTOR SHALL SUBMIT PROPOSED STOCK PILE AND SPOIL PILE LOCATIONS TO THE ENGINEER

FOR APPROVAL PRIOR TO STOCKPILING MATERIAL ON SITE.

14. SPOIL PILES SHALL BE GRADED SO THAT THE SLOPES ARE NOT STEEPER THEN 3:1 AND SHALL BE SEEDED

AND MULCHED.

15. SPOIL PILES SHALL HAVE SILT FENCE PLACED AT THE BASE OF THE SPOIL PILES TO RETAIN SOIL UNTIL

VEGETATION IS ESTABLISHED.

16. THE CONTRACTOR SHALL BE RESPONSIBLE FOR SECURING ALL NECESSARY PERMITS FOR THE PROJECT

INCLUDING THE SOIL EROSION AND SEDIMENTATION CONTROL PERMIT AS REQUIRED BY CVT HAVING

JURISDICTION.

GENERAL NOTES

1. IT IS THE CONTRACTOR'S RESPONSIBILITY TO SECURE ALL PERMITS AND POST ALL BONDS PRIOR

TO CONSTRUCTION, OR ENSURE THAT ALL REQUIRED PERMITS AND BONDS HAVE BEEN OBTAINED

PRIOR TO CONSTRUCTION.

2. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROTECTING CORNERS WHEN WORKING WITHIN

THE ROW OF XXX.

3. CONTRACTOR SHALL KEEP ALL PUBLIC STREETS ADJACENT TO THE SITE FREE OF CONSTRUCTION

DEBRIS AND SEDIMENT. DUST SHALL BE CONTROLLED ON SITE AT ALL TIMES BY WATERING OR

OTHER NECESSARY MEANS.

4. THE CONTRACTOR SHALL BE LIABLE FOR ANY DAMAGE TO STREETS, SIDEWALKS OTHER

STRUCTURES AND ADJACENT AREAS CAUSED BY DEMOLITION, HAULING, OR OTHER PERFORMANCE

OF THE WORK.

5. THE CONTRACTOR SHALL TAKE ALL NECESSARY ACTIONS TO ENSURE WORKER SAFETY AND

COMPLIANCE WITH MI-OSHA GUIDELINES.

6. CONTRACTOR IS RESPONSIBLE FOR FIELD VERIFYING ALL DIMENSIONS PRIOR TO CONSTRUCTION.

ADJUST WORK AS REQUIRED TO MEET FIELD DIMENSIONS AT NO ADDITIONAL COST TO THE OWNER.

DISCREPANCIES SHALL BE BROUGHT TO THE ATTENTION OF THE ENGINEER AS SOON AS POSSIBLE.

7. THE IMPROVEMENTS COVERED BY THESE PLANS SHALL BE DONE IN ACCORDANCE WITH THE

PROPOSAL AND ACCOMPANYING SPECIFICATIONS FOR THIS PROJECT INCLUDING THE 2020 MDOT

STANDARD SPECIFICATIONS FOR CONSTRUCTION, AASHTO'S 2011 POLICY ON GEOMETRIC DESIGN

OF HIGHWAYS AND STREETS, THE 2011 MICHIGAN MANUAL OF UNIFORM TRAFFIC CONTROL

DEVICES AND CVT HAVING JURISDICTION.

8. THE CONTRACTOR SHALL CONDUCT OPERATIONS IN SUCH A MANNER AS TO COMPLY WITH ALL

FEDERAL, STATE, AND LOCAL CODES FOR NOISE LEVELS, HOURS OF OPERATION FOR

CONSTRUCTION ACTIVITY, VIBRATIONS, OR ANY OTHER RESTRICTIONS. NO ADDITIONAL

COMPENSATION WILL BE DUE TO THE CONTRACTOR FOR ANY WINTER PROTECTION MEASURES

THAT MAY BE REQUIRED TO COMPLY WITH THE CONTRACT DOCUMENTS.

9. COORDINATION BY THE CONTRACTOR; NO ADDITIONAL COMPENSATION SHALL BE PAID TO THE

CONTRACTOR FOR ANY DELAY OR INCONVENIENCE DUE TO MATERIAL SHORTAGES OR DELAYS DUE

TO THE OPERATIONS OF SUCH OTHER PARTIES DOING WORK INDICATED OR SHOWN ON THE PLANS

OR IN THE PROPOSAL OR FOR ANY DELAYS IN CONSTRUCTION DUE TO THE ENCOUNTERING OF

EXISTING UTILITIES THAT MAY OR MAY NOT BE SHOWN ON THE PLANS.

10. ANY QUANTITIES AND DIMENSIONS SHOWN IN PLANS ARE PROVIDED FOR INFORMATION ONLY, CONTRACTOR SHALL FIELD VERIFY PRIOR TO CONSTRUCTION.

CULVERT TRENCH

1. BEDDING UNDER THE CULVERT SHALL BE AS SPECIFIED AND THE UNDERCUT MATERIAL REPLACED WITH

GRANULAR MATERIAL CLASS IIIA. BACKFILLING SHALL BE IN ACCORDANCE TO THE PROJECT SPECIFICATIONS

AND MANUFACTURER'S REQUIREMENTS.

2. BACKFILL FOR CULVERT TRENCHES ABOVE GRANULAR MATERIAL CLASS II SHALL BE PLACED AS FOLLOWS:

2.1. GRANULAR MATERIAL MDOT CLASS II SHALL BE USED TO BACKFILL TRENCHES UNDER ROADS/TRAILS

AND SHALL BE COMPACTED TO NOT LESS THAN 95% OF ITS MAXIMUM UNIT WEIGHT.

2.2. GRANULAR MATERIAL MDOT CLASS II SHALL BE USED TO BACKFILL CULVERT TRENCHES OUTSIDE THE

ROADS/TRAILS BUT WITHIN THE 1:1 ZONE OF INFLUENCE AND SHALL BE COMPACTED TO NOT LESS THAN

95% OF ITS MAXIMUM UNIT WEIGHT.

2.3. SATISFACTORY MATERIAL EXCAVATED FROM THE CULVERT TRENCHES SHALL BE USED TO BACK FILL

CULVERT TRENCHES OUTSIDE THE LIMITS OF THE 1:1 ZONE OF INFLUENCE AND COMPACTED TO NOT

LESS THAN 95% OF ITS MAXIMUM UNIT WEIGHT.

EGLE-WRD

WRP031521 v1.0

Approved Issued On:11/09/2021

Expires On:11/09/2026

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424 HANCOCK STREET

HANCOCK, MICHIGAN 49930

PH. 906.482.0535

F 906.482.6453

7136-21-0010

CURB AND GUTTER, REM

GUY WIRE

CONIFEROUS TREE

CONIFEROUS SHRUB

DECIDUOUS TREE

DECIDUOUS SHRUB

ELECTRIC RISER

ELECTRIC METER

GAS METER

GAS RISER

GAS VALVE

GUY POLE

IRON ROD/PIPE

LIGHT/DECOR LAMP POLE

PK NAIL

SOIL BORING

SECTION CORNER

SIGN

STUMP

TRANSFORMER PAD

SURVEY TRAVERSE POINT

PRIVATE UTILITY MANHOLE

UTILITY POLE

RIPRAP

SURVEY BENCHMARK

ELECTRICAL *

GAS\OIL

ROW

SECTION

HEDGE/TREE

FENCE

GUARDRAIL

CENTERLINE OF DITCH

SALVAGE

BULKHEAD

ABANDON

CLEARING

REMOVE

PROPERTY/PARCEL

FLOW DIRECTION

SIDEWALK REMOVAL

PAVEMENT REMOVAL

HMA SURFACE REMOVAL

WETLAND/EDGE OF WATER

CENTERLINE OF DITCH

FENCE

CABLE/TELEPHONE *

RIPRAP

SIGN

FLOW DIRECTION

STRUCTURE NUMBER

WM SAN STM

UTILITY POLE W/LIGHT

RELOCATE

RECONSTRUCT

RELOCATE BY OTHERS

ADJUST BY OTHERS

B

A

C

R

REL

REC

REL B/O

ADJ B/O

CL 1

CL 2

CL 3

1" TO 5"

6" TO 17"

18" TO 35"

CL 4 36" AND UP

TREE, REM

PROPOSED SPOT GRADE

EX AND PROP PARKING SPACE COUNT

EX AND PROP BARRIER FREE PARKING SPACE

749.25 FG

EXISTING SPOT GRADE

FLOW DIRECTION

EXISTING CONTOUR

PROPOSED CONTOUR

ASPHALT

CONCRETE

CONCRETE

SILT FENCE

INLET FILTER

CHECK DAM, STONE

LAWN

SPECIALTY SEED

SPECIALTY SEED

SPECIALTY SEED

GRAVEL

TRAIL REMOVAL / GRADING

SIGN, REM

ASPHALT, HEAVY

SLOPE RESTORATION

EXCAVATION LIMITS

CLEARING

ADJ ADJUST

APPROX APPROXIMATELY

ASPH ASPHALT

B/BANK BOTTOM OF BANK

CONC CONCRETE

CT CURB TRANSITION

C&G CURB AND GUTTER

CVT CITY, VILLAGE, TOWNSHIP

DIA DIAMETER

DW DOMESTIC WATER

EA EDGE OF ASPHALT

ELEC ELECTRIC

ELEV ELEVATION

EX EXISTING

F/C FACE OF CURB

FF FINISH FLOOR

FG FINISHED GRADE

FT FEET

HDCP HANDICAP

INV INVERT ELEVATION

OB OBSERVATION WELL

OBS OBSERVED

OH OVERHEAD

OT OVER TOPPING

PROP PROPOSED

R RADIUS

RES RESET

RIM TOP OF UTILITY/DRAINAGE STRUCTURE

ROW RIGHT-OF-WAY

SAN SANITARY

SP SPRING WATER

SQFT SQUARE FEET

STM STORM

SYD SQUARE YARD

TC TOP OF CURB

TELE TELEPHONE

TP TRAVERSE POINT

TS&M TOPSOIL, SEED & MULCH

TYP TYPICAL

T/BANK TOP OF BANK

UG UNDER GROUND

UNO UNLESS NOTED OTHERWISE

WEL WELL LINES

W# WELL LINE

WM WATER MAIN

WTR WATER

YBT YELLOW BENCH LINE

D50 RIPRAP SIZE WHERE 50% OF STONES

ARE LARGER

DMAX MAX STONE SIZE/AVG DEPTH OF

RIPRAP

OM3 SIGN1

COMPACTED 6A STONE

FINISHED GRADE

DRILL 2

"Ø HOLE, CENTERED

6" X 6" WOLMANIZED WOOD POST

MUTCD OM3-L (LEFT APPROACH), OM3-R (RIGHT APPROACH)

WATTLES

FOOT PATH TRAIL AGGREGATE

18" HDPE PIPE

EGLE-WRD

WRP031521 v1.0

Approved

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QUANTITIES THIS SHEET (FOR REFERENCE ONLY)

UNIT DESCRIPTION

Acre

Clearing

Cyd Excavation, Earth

Cyd Excavation, Peat

Cyd Erosion Control, Maintenance, Sediment Rem

Ea

Erosion Control, Sand Bag

Ea

Erosion Control, Sediment Trap

Ft

Erosion Control, Silt Fence

LSUM

_Dewatering Including SESC

LSUM

_Temporary Bypass Channel

Know what's below.

before you dig.Call

R feetGRAPHIC SCALE: FULL feetHALF

3020105

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424 HANCOCK STREET

HANCOCK, MICHIGAN 49930

PH. 906.482.0535

F 906.482.6453

7136-21-0010

NORTH WATER CROSSING - EXISTING1

EXCAVATION LIMITS

CLEARING LIMITS, TYP

REMOVE SURFACE SOILS/ORGANICS

AND EXCAVATE FOR NEW STRUCTURE

REMOVE SURFACE SOILS/ORGANICS

AND EXCAVATE FOR NEW STRUCTURE

KEY PLAN

WATER DIVERSION NOTES:

1. CONTRACTOR HAS THE OPTION ON HOW TO DIVERT THE WATER. THE

FLOW CAN EITHER BE DIVERTED WITH A TEMPORARY BYPASS

CHANNEL, OR THE WATER CAN BE BYPASS PUMPED.

GENERAL NOTES:

1. WATER CONTROL DURING CONSTRUCTION SHALL BE THE

RESPONSIBILITY OF THE CONTRACTOR.

2. SURVEY DATA WAS COLLECTED 05/13/21, IN NAD83 MICHIGAN STATE

PLANES, NORTH ZONE, INTERNATIONAL FOOT (MI83-NIF).

3. USFS ROAD 2141 CAN BE IMPROVED FOR ACCESS IF REQUIRED.

CLEARING LIMITS SHALL BE LIMITED TO 16' WIDE AND 14' TALL. RUTS

SHALL BE REPAIRED AND GRADED PRIOR TO LEAVING THE SITE.

AGGREGATES USED TO IMPROVE THE ROUTE REMAIN IN PLACE.

SITE LOCATION

PROPOSED TRAIL

TO USFS ROAD 2141

EGLE-WRD

WRP031521 v1.0

Approved

NAHMA

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BEGIN CONSTRUCTION

ALIGN STA 180+60.00

N 403592.543

E 26321339.616

BEGIN CONSTRUCTION

ALIGN STA 181+60.00

N 403679.820

E 26321290.802

C

QUANTITIES THIS SHEET (FOR REFERENCE ONLY)

TOTAL UNIT DESCRIPTION

1 Sta

Machine Grading

Cyd Backfill, Structure, CIP

0.24 Sta

Ditch, Intercepting

Cyd Subbase, CIP

Syd Aggregate Surface Cse, 6 inch

Syd Geotextile, Separator

Cyd Culv Bedding, Box Culv

40.5 Ft

_Culv, Aluminum, 14'-1" x 6'-2"

4 Ea

_Wood Sign Post, 6"x6" Treated

4 Ea

_Object Marker Sign

Cyd Riprap, Plain, LM

Know what's below.

before you dig.Call

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HANCOCK, MICHIGAN 49930

PH. 906.482.0535

F 906.482.6453

7136-21-0010

NORTH WATER CROSSING - PROPOSED1

feetGRAPHIC SCALE: FULL feetHALF

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SITE LOCATION

PROPOSED TRAIL

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Approved

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424 HANCOCK STREET

HANCOCK, MICHIGAN 49930

PH. 906.482.0535

F 906.482.6453

7136-21-0010

NORTH WATER CROSSING PROPOSED CULVERT PROFILE3

NORTH WATER CROSSING PROPOSED TRAIL CENTERLINE PROFILE4

APPROX EXC LIMITS

14'-1" x 6'-2" CORRUGATED

ALUMINUM 4 SIDED

6" 6A (CRUSHED) STONE

2" LEVELING COURSE OF 34R OR

" CHIPS

US300NW FILTER FABRIC

ENCLOSING BEDDING

UPSTREAM INVERT: 594.10

14"-1" x 6'-2" CORRUGATED

ALUMINUM 4 SIDED

6" 6A (CRUSHED) STONE

2" LEVELING COURSE

OF 34R OR

" CHIPS

US300NW FILTER FABRIC

ENCLOSING BEDDING

24" THICK LAYER OF RIPRAP

RIPRAP

DOWNSTREAM INVERT: 594.10

TYPICAL TRAIL SECTION - PROPOSED2

SALVAGE AND REUSE TOPSOIL.

PLACE SEED AND MULCH.

EXISTING TRAIL SURFACE

TRAIL

6" 23A SURFACE CSE AGG, COMPACTED TO 97% MAX DENSITY

12" MDOT CL II SUBBASE COMPACTED TO 95% MAX DENSITY

COMPACT SUBGRADE TO 95% MAX DENSITY.

STA 0+12

INVERT: 594.10'

STA 0+52

INVERT: 594.10'

STA 0+32,

CENTERLINE OF TRAIL

EXISTING STREAM BED

ELEVATION: 595.83

(PROPOSED TO MATCH

EXISTING)

SLOPE MEASURED

TO POINT ON

CULVERT CLOSEST

TO TRAIL EDGE

CL OF TRAIL ELEVATION: 603.97

EDGE OF WATER 597.68

OBSERVED 05/13/2021

MINIMUM 2.1' OF COVER

OHWM ELEVATION: 598.00

100 YR WATER ELEV: 602.22

PROPOSED SLOPE

APPROX EXISTING SLOPE

2.0'

RIPRAP, PLAIN

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TYPICAL DITCH SECTION - PROPOSED1

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Contractor Close Out Check List Pink Sheet Attachment

Substantial Completion – Minimum Requirements o Certificate of Substantial Completion - A punch list and a final completion date are required.

o Certificate of Occupancy - Temporary Certificate of Occupancy or Partial Certificate of Occupancy o Final Code Permit Approvals - Local city or county government may have delegated authority for elevator approvals.

• May include General Building Permit, Plumbing, Mechanical, Electrical, HVAC, site work, elevator division o Final Health Department Approval - Including water testing, equipment approvals, backflow preventer testing, etc.

o Final Fire Marshall (Office of Fire Safety) Approval - Local fire departments may have delegated authority.

o Final HVAC and Water Balancing - reports if required o Final Fire Alarm and Sprinkler System Certifications o Agency Training - Complete all specified training.

o Operator & Maintenance Manuals - A minimum of one complete O&M manual must be provided at the time of

Substantial Completion. Remaining specified copies must be submitted for Final Completion.

o Turnover Special Tools and Equipment - turned over to the agency on or before the date of Substantial

Completion o Keys/Locksets - temporary of permanent lock cores and the submission of all specified keys to agency representative o Commissioning - final operational testing, startup reports or testing reports

Final Completion o Final Payment - DTMB-440 o Final Bond Company/Surety Release for Final Payment o Completion of All Punch List Work o General Guarantee/Warrantees - DTMB-437 o Extended Guarantees/Warrantees - all specified material/equipment extended warranties o Final Contract Change Order - includes final adjustments to unit price work, allowances, liquidated damages, time extensions and extended general conditions if applicable o As Built Drawings - record documents including a final site survey when required; submit per the contract o Disposal Records - Submit copies of disposal records, as specified, for materials being removed from the project.

o Maintenance Agreements - Submit all specified agreements for elevators, kitchen equipment or specialized systems.

o Operator & Maintenance Manuals - submission of the remaining copies specified that were not submitted at

Substantial Completion o SESC and Storm Water Permits - submit evidence of final closure o Extra Material/Spare Parts - submit evidence of turnover to the agency of all specified materials and parts o Demobilization - final cleaning, removal of all temporary measures and restoration of project site

• No salvage or surplus material may be sold or burned on the agency project site

• The contractor shall recycle or properly dispose of all surplus or salvage material

DTMB-0437 (R 04/19)

GUARANTEE AND INDEBTEDNESS STATEMENT

RETURN TO: DEPARTMENT OF TECHNOLOGY, MANAGEMENT AND BUDGET

State Facilities Administration

Design and Construction Division

Mailing Address: P.O. Box 30026, Lansing, MI 48909

Street Address: 3111 W. St. Joseph Street, Lansing, MI 48917

This form is required to receive final payment for the contract. Upon completion, submit a completed form to the address above. Authority: 1984 PA 431

The undersigned provides the following statements covering the work defined in the contract dated:

SIGMA CODING

AGENCY NUMBER

FILE NUMBER

CONTRACT NUMBER

DEPARTMENT/AGENCY

PROJECT NAME

GUARANTEE

We guarantee that all labor and materials furnished and the Work performed by us in connection with the subject work are in accordance with the plans and specifications, authorized alterations and additions that should any defects develop or become apparent for a period of __________ year(s) from date of acceptance ______________________________ the same shall, upon written notice, be made good by us without expense to the Owner, and that any other Work, affected in correcting such defects shall also be made good. In addition to the above guarantee, the following additional items are guaranteed as noted:

INDEBTEDNESS STATEMENT

We certify that all payrolls, material bills, and other indebtedness connected with the work on the subject project have been paid in full.

COMPANY NAME AND CONTRACTOR'S SIGNATURE DATE

WITNESS SIGNATURE DATE

cc: Agency

Designer

DTMB-0445 (R 04/19)

CERTIFICATE OF SUBSTANTIAL COMPLETION

DEPARTMENT OF TECHNOLOGY, MANAGEMENT AND BUDGET

State Facilities Administration

Design and Construction Division

DATE OF SUBSTANTIAL COMPLETION:__ ______________________

FINAL COMPLETION DATE:____ ____________________

The work performed under the subject contract between the State of Michigan and the contractor named at the location listed, has been inspected and found to be in compliance with the contract documents, including duly authorized changes, except for the list of the exceptions noted. The Contractor agrees to complete or correct these items on or before (date):

SIGMA CODING

AGENCY NUMBER

FILE NUMBER

CONTRACT NUMBER

DEPARTMENT/AGENCY

PROJECT NAME

CONTRACT PRICE

CONTRACTOR NAME AND ADDRESS

PROFESSIONAL

1. SCOPE: This Certificate of Substantial Completion is for the entire Work or the parts of the Work listed in Attachment A .

2. DIVISION OF RESPONSIBILITIES: The responsibilities between the Owner and Contractor for security, operation, safety, maintenance, heat and utilities, insurance and warranties and guarantees, pending final payment (or Substantial Completion of the entire

Work), shall be as shown on Attachment B.

3. DOCUMENTS ATTACHED: The following documents are attached to and made a part of this Certificate:

PUNCH LIST

Provide all Closeout Documents

APPROVALS

AGENCY REPRESENTATIVE DATE

CONTRACTOR DATE

STATE FACILITIES ADMINISTRATION DATE

PROFESSIONAL DATE

White - Contract Green - Project Manager Canary - Professional Service Contractor Pink - Contractor Goldenrod - Agency

Items of work must be completed before final payment can be made and the contract close out. Authority: 1984 PA 431.

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SUBMITTAL ITEM CONTRACTOR DATE FIRM DUE DATE

SUBCONTRACTOR SENT DATE REC'D

010000 FIELD TESTING

Tests Performed

312000 EARTH MOVING

Product Data

Material Test Reports

312319 DEWATERING

Shop Drawings

329200 TURF AND GRASSES

Certification of Grass Seed

Product Certificates

334100 STORM UTILITY DRAINAGE PIPING

Product Data

Shop Drawings

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SUBMITTAL LOG

PROJECT: Nahma Grade Multiuse Trail

OWNER: MI DTMB/DNR

PROJECT NO: 7136-21-0010

CONTRACTOR:

OTHER REVIEWER ACTION COPIES TO

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To Be Performed

Table of Contents Generated by SpecBuilder: 5/24/2023

Division

Section Title

Pages

DIVISION 31

EARTHWORK

31 10 00

SITE CLEARING

31 20 00

EARTH MOVING

31 23 19

DEWATERING

31 25 00

EROSION AND SEDIMENTATION CONTROLS

DIVISION 32

EXTERIOR IMPROVEMENTS

32 92 00

TURF AND GRASSES

DIVISION 33

UTILITIES

33 41 00

STORM UTILITY DRAINAGE PIPING

END OF TABLE OF CONTENTS

DTMB/DNR

Nahma Grade Multiuse Trail DTMB File #751/20155.JBB

OHM PROJECT # 7136-21-0010

SITE CLEARING

31 10 00 - Page 1 of 3

05/24/2023

Copyright © 2023 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties.

It was created by "OHM Advisors" for "Nahma Grade Multiuse Trail". A valid, current MasterSpec license is required for editing and use of this document for any other project.(15195)

SECTION 31 10 00 - SITE CLEARING

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Removing existing vegetation.

2. Clearing and grubbing.

3. Stripping and stockpiling topsoil.

B. Related Requirements:

1. Section 31 25 00 "Eroision and Sedimentation Controls" for temporary erosion- and sedimentation-control measures.

1.2 DEFINITIONS

A. Subsoil: Soil beneath the level of subgrade; soil beneath the topsoil layers of a naturally occurring soil profile, typified by less than 1 percent organic matter and few soil organisms.

B. Surface Soil: Soil that is present at the top layer of the existing soil profile. In undisturbed areas, surface soil is typically called "topsoil," but in disturbed areas such as urban environments, the surface soil can be subsoil.

C. Topsoil: Top layer of the soil profile consisting of existing native surface topsoil or existing in-place surface soil; the zone where plant roots grow.

D. Topsoil: Top layer of the soil profile consisting of existing native surface topsoil or existing in-place surface soil; the zone where plant roots grow. Its appearance is generally friable, pervious, and black or a darker shade of brown, gray, or red than underlying subsoil; reasonably free of subsoil, clay lumps, gravel, and other objects larger than 2 inches in diameter; and free of weeds, roots, toxic materials, or other nonsoil materials.

E. Vegetation: Trees, shrubs, groundcovers, grass, and other plants.

1.3 MATERIAL OWNERSHIP

A. Except for materials indicated to be stockpiled or otherwise remain Owner's property, cleared materials shall become Contractor's property and shall be removed from Project site.

1.4 FIELD CONDITIONS

A. Traffic: Minimize interference with adjoining roads, streets, walks, and other adjacent occupied or used facilities during site-clearing operations.

1. Do not close or obstruct streets, walks, or other adjacent occupied or used facilities without permission from Owner and authorities having jurisdiction.

2. Provide alternate routes around closed or obstructed trafficways if required by Owner or authorities having jurisdiction.

B. Utility Locator Service: Notify Miss Dig for area where Project is located before site clearing.

C. Do not commence site clearing operations until temporary erosion- and sedimentation-control measures are in place.

DTMB File #751/20155.JBB

OHM PROJECT # 7136-21-0010

SITE CLEARING

31 10 00 - Page 2 of 3

Copyright © 2023 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties.

It was created by "OHM Advisors" for "Nahma Grade Multiuse Trail". A valid, current MasterSpec license is required for editing and use of this document for any other project.(15195)

D. Soil Stripping, Handling, and Stockpiling: Perform only when the soil is dry or slightly moist.

PART 2 - PRODUCTS

2.1 (NOT USED)

PART 3 - EXECUTION

3.1 PREPARATION

A. Protect and maintain benchmarks and survey control points from disturbance during construction.

B. Protect existing site improvements to remain from damage during construction.

1. Restore damaged improvements to their original condition, as acceptable to Owner.

3.2 EXISTING UTILITIES

A. Interrupting Existing Utilities: Do not interrupt utilities serving facilities occupied by Owner or others, unless permitted under the following conditions and then only after arranging to provide temporary utility services according to requirements indicated:

1. Notify Engineer not less than two days in advance of proposed utility interruptions.

2. Do not proceed with utility interruptions without Engineer's written permission.

3.3 CLEARING AND GRUBBING

A. Remove obstructions, trees, shrubs, and other vegetation to permit installation of new construction.

1. Do not remove trees, shrubs, and other vegetation indicated to remain or to be relocated.

2. Grind down stumps and remove roots larger than 2 inches in diameter, obstructions, and debris to a depth of 12 inches below exposed subgrade.

B. Fill depressions caused by clearing and grubbing operations with satisfactory soil material unless further excavation or earthwork is indicated.

1. Place fill material in horizontal layers not exceeding a loose depth of 8 inches, and compact each layer to a density equal to adjacent original ground.

3.4 TOPSOIL STRIPPING

A. Strip topsoil to depth of 6 inches in a manner to prevent intermingling with underlying subsoil or other waste materials.

1. Remove subsoil and nonsoil materials from topsoil, including clay lumps, gravel, and other objects larger than 2 inches in diameter; trash, debris, weeds, roots, and other waste materials.

B. Stockpile topsoil away from edge of excavations without intermixing with subsoil or other materials. Grade and shape stockpiles to drain surface water. Cover to prevent windblown dust and erosion by water.

1. Limit height of topsoil stockpiles to 72 inches .

2. Stockpile surplus topsoil to allow for respreading deeper topsoil.

3.5 SITE IMPROVEMENTS

A. Remove structures and aggregate base as indicated.

DTMB File #751/20155.JBB

OHM PROJECT # 7136-21-0010

SITE CLEARING

31 10 00 - Page 3 of 3

Copyright © 2023 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties.

It was created by "OHM Advisors" for "Nahma Grade Multiuse Trail". A valid, current MasterSpec license is required for editing and use of this document for any other project.(15195)

3.6 DISPOSAL OF SURPLUS AND WASTE MATERIALS

A. Remove surplus soil material, unsuitable topsoil, obstructions, demolished materials, and waste materials including trash and debris, and legally dispose of them off Owner's property.

END OF SECTION 31 10 00

DTMB File #751/20155.JBB

OHM PROJECT # 7136-21-0010

EARTH MOVING

31 20 00 - Page 1 of 9

Copyright © 2023 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties.

It was created by "OHM Advisors" for "Nahma Grade Multiuse Trail". A valid, current MasterSpec license is required for editing and use of this document for any other project.(15195)

SECTION 31 20 00 - EARTH MOVING

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section Includes:

1. Excavating and filling for rough grading the Site.

2. Preparing subgrades for trails, box culverts, and turf and grasses .

3. Excavating and backfilling for structures.

4. Bedding and leveling course for box culverts.

5. Subbase course and base course for trails and walks.

6. Aggregate surface course for multi-use trails and roads.

7. Aggregate surface course for foot paths and walks.

B. Related Requirements:

1. Section 31 10 00 "Site Clearing" for site stripping, grubbing, stripping and stockpiling topsoil, and removal of above- and below-grade improvements and utilities.

2. Section 32 92 00 "Turf and Grasses" for finish grading in turf and grass areas, including preparing and placing planting soil for turf areas.

1.3 DEFINITIONS

A. Backfill: Soil material or controlled low-strength material used to fill an excavation.

1. Initial Backfill: Backfill placed beside and over pipe in a trench, including haunches to support sides of pipe.

2. Final Backfill: Backfill placed over initial backfill to fill a trench.

B. Base Course: Aggregate layer placed between the subbase course and surface course or structures.

C. Bedding Course: Aggregate layer placed on the excavated subgrade, supporting the box culvert.

D. Borrow Soil: Satisfactory soil imported from off-site for use as fill or backfill.

E. Drainage Course: Aggregate layer that minimizes upward capillary flow of pore water.

F. Excavation: Removal of material encountered above subgrade elevations and to lines and dimensions indicated.

1. Authorized Additional Excavation: Excavation below subgrade elevations or beyond indicated lines and dimensions as directed by Engineer. Authorized additional excavation and replacement material will be paid for according to Contract provisions for changes in the Work.

2. Bulk Excavation: Excavation more than 10 feet in width and more than 30 feet in length.

3. Unauthorized Excavation: Excavation below subgrade elevations or beyond indicated lines and dimensions without direction by Engineer. Unauthorized excavation, as well as remedial work directed by Architect, shall be without additional compensation.

DTMB File #751/20155.JBB

OHM PROJECT # 7136-21-0010

EARTH MOVING

31 20 00 - Page 2 of 9

Copyright © 2023 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties.

It was created by "OHM Advisors" for "Nahma Grade Multiuse Trail". A valid, current MasterSpec license is required for editing and use of this document for any other project.(15195)

G. Fill: Soil materials used to raise existing grades.

H. Leveling Course: Aggregate layer placed over the bedding course in a trench before laying pipe or setting structures.

I. Structures: Buildings, footings, bridges, box culverts, foundations, retaining walls, slabs, tanks, curbs, mechanical and electrical appurtenances, or other man-made stationary features constructed above or below the ground surface.

J. Subbase Course: Aggregate layer placed between the subgrade and base course, or aggregate layer placed between the subgrade and aggregate surface course.

K. Subgrade: Uppermost surface of an excavation or the top surface of a fill or backfill immediately below subbase, bedding course, drainage fill, drainage course, or topsoil materials.

L. Multi-Use Surface Course: Aggregate layer placed on top of base or subbase serving as the finished/top surface on trails and roads.

M. Foot Path Surface Course: Aggregate layer placed on top of base or subbase serving as the finished/top surface on foot paths and walks.

N. Utilities: On-site underground pipes, conduits, ducts, and cables as well as underground services within buildings.

1.4 ACTION SUBMITTALS

A. Product Data: For each type of the following manufactured products required:

1. Geotextiles.

2. Controlled low-strength material, including design mixture.

3. Particle size distribution (gradation) according to ASTM D6913.

1.5 INFORMATIONAL SUBMITTALS

A. Material Test Reports: For each borrow soil material proposed for fill and backfill as follows:

1. Classification according to ASTM D2487.

2. Laboratory compaction curve according to ASTM D698 or ASTM D1557.

3. Density/compaction field testing results.

1.6 FIELD CONDITIONS

A. Traffic: Minimize interference with adjoining roads, streets, walks, and other adjacent occupied or used facilities during earth-moving operations.

1. Do not close or obstruct streets, walks, or other adjacent occupied or used facilities without permission from Owner and authorities having jurisdiction.

2. Provide alternate routes around closed or obstructed traffic ways if required by Owner or authorities having jurisdiction.

B. Improvements on Adjoining Property: Authority for performing earth moving indicated on property adjoining Owner's property will be obtained by Owner before award of Contract.

1. Do not proceed with work on adjoining property until directed by Engineer.

C. Utility Locator Service: Notify Miss Dig for area where Project is located before beginning earth-moving operations.

DTMB File #751/20155.JBB

OHM PROJECT # 7136-21-0010

EARTH MOVING

31 20 00 - Page 3 of 9

Copyright © 2023 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties.

It was created by "OHM Advisors" for "Nahma Grade Multiuse Trail". A valid, current MasterSpec license is required for editing and use of this document for any other project.(15195)

D. Do not commence earth-moving operations until temporary site fencing and erosion- and sedimentation-control measures specified in 31 25 00 "Erosion and Sedimentation Controls" are in place.

PART 2 - PRODUCTS

2.1 SOIL MATERIALS

A. General: Provide borrow soil materials when sufficient satisfactory soil materials are not available from excavations.

B. Satisfactory Soils: Soil Classification Groups GW, GP, GM, SW, SP, and SM according to ASTM D2487 , or a combination of these groups; free of rock or gravel larger than 3 inches in any dimension, debris, waste, frozen materials, vegetation, and other deleterious matter.

C. Unsatisfactory Soils: Soil Classification Groups GC, SC, CL, ML, OL, CH, MH, OH, and PT according to ASTM D2487 , or a combination of these groups.

1. Unsatisfactory soils also include satisfactory soils not maintained within 2 percent of optimum moisture content at time of compaction.

D. Subbase Material: Naturally or artificially graded mixture of natural or crushed gravel, crushed stone, and natural or crushed sand; ASTM D2940/D2940M; with at least 90 percent passing a 1- 1/2-inch sieve and not more than 12 percent passing a No. 200 sieve.

E. Base Course: Naturally or artificially graded mixture of natural or crushed gravel, crushed stone, and natural or crushed sand; ASTM D2940/D2940M; with at least 95 percent passing a 1-1/2-inch sieve and not more than 8 percent passing a No. 200 sieve.

F. Engineered Fill: Naturally or artificially graded mixture of natural or crushed gravel, crushed stone, and natural or crushed sand; ASTM D2940/D2940M; with at least 90 percent passing a 1-1/2-inch sieve and not more than 12 percent passing a No. 200 sieve.

G. Leveling Course: Naturally or artificially graded mixture of natural or crushed gravel, crushed stone, and natural or crushed sand; ASTM D2940/D2940M; except with 100 percent passing a 1/2-inch sieve and not more than 3 percent passing a No. 200 sieve.

H. Bedding Course: Narrowly graded mixture of washed crushed stone, or crushed or uncrushed gravel; ASTM D448; coarse-aggregate grading Size 57; with 100 percent passing a 1-1/2-inch sieve and zero to 2 percent passing a No. 8 sieve.

I. Drainage Course: Narrowly graded mixture of washed crushed stone, or crushed or uncrushed gravel; ASTM D448; coarse-aggregate grading Size 57; with 100 percent passing a 1-1/2-inch sieve and zero to 5 percent passing a No. 8 sieve.

J. Filter Material: Narrowly graded mixture of natural or crushed gravel, or crushed stone and natural sand; ASTM D448; coarse-aggregate grading Size 67; with 100 percent passing a 1-inch sieve and zero to 5 percent passing a No. 4 sieve.

K. Sand: ASTM C33/C33M; fine aggregate.

L. Multi-Use Surface Course: Naturally or artificially graded mixture of natural or crushed gravel, crushed stone, and natural or crushed sand; ASTM D2940/D2940M; with 100 percent passing a 1-inch sieve and not more than 16 percent passing a No. 200 sieve.

DTMB File #751/20155.JBB

OHM PROJECT # 7136-21-0010

EARTH MOVING

31 20 00 - Page 4 of 9

Copyright © 2023 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties.

It was created by "OHM Advisors" for "Nahma Grade Multiuse Trail". A valid, current MasterSpec license is required for editing and use of this document for any other project.(15195)

M. Foot Path Surface Course: Meeting USFS 35A (Wigger Mix Formula) gradation:

1. Size Specifications (% passing): 3/8": 100%, No. 4: 70-75%, No. 8: 45-55%, No. 16: 30-

35%, No. 30: 20-25%, No. 50: 15-20%, No. 100: 10-15%, No. 200: 7-12%.

N. Impervious Fill: Clayey gravel and sand mixture capable of compacting to a dense state.

2.2 GEOTEXTILES

A. Subsurface Drainage Geotextile: Nonwoven needle-punched geotextile, manufactured for subsurface drainage applications, made from polyolefins or polyesters; with elongation greater than 50 percent; complying with AASHTO M 288 and the following, measured per test methods referenced:

1. Survivability: Class 2; AASHTO M 288.

2. Survivability: As follows:

a. Grab Tensile Strength: 90 lbf; ASTM D4632.

b. Sewn Seam Strength: 142 lbf; ASTM D4632.

c. Tear Strength: 45 lbf; ASTM D4533.

d. Puncture Strength: 45 lbf; ASTM D4833.

3. Apparent Opening Size: No. 70 sieve, maximum; ASTM D4751.

4. Permittivity: 0.5 per second, minimum; ASTM D4491.

5. UV Stability: 50 percent after 500 hours' exposure; ASTM D4355.

B. Separation Geotextile: Woven geotextile fabric, manufactured for separation applications, made from polyolefins or polyesters; with elongation less than 50 percent; complying with AASHTO M 288 and the following, measured per test methods referenced:

1. Survivability: Class 2; AASHTO M 288.

2. Survivability: As follows:

a. Grab Tensile Strength: 247 lbf; ASTM D4632.

b. Sewn Seam Strength: 222 lbf; ASTM D4632.

c. Tear Strength: 90 lbf; ASTM D4533.

d. Puncture Strength: 90 lbf; ASTM D4833.

3. Apparent Opening Size: No. 40 sieve, maximum; ASTM D4751.

4. Permittivity: 0.02 per second, minimum; ASTM D4491.

5. UV Stability: 50 percent after 500 hours' exposure; ASTM D4355.

2.3 CONTROLLED LOW-STRENGTH MATERIAL

A. Produce low-density, controlled low-strength material with the following physical properties:

1. Compressive Strength: 140 psi , when tested according to ASTM C495/C495M.

PART 3 - EXECUTION

3.1 PREPARATION

A. Protect structures, utilities, sidewalks, pavements, and other facilities from damage caused by settlement, lateral movement, undermining, washout, and other hazards created by earth-moving operations.

B. Protect and maintain erosion and sedimentation controls during earth-moving operations.

C. Protect subgrades and foundation soils from freezing temperatures and frost. Remove temporary protection before placing subsequent materials.

DTMB File #751/20155.JBB

OHM PROJECT # 7136-21-0010

EARTH MOVING

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Copyright © 2023 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties.

It was created by "OHM Advisors" for "Nahma Grade Multiuse Trail". A valid, current MasterSpec license is required for editing and use of this document for any other project.(15195)

3.2 DEWATERING

A. Provide dewatering system of sufficient scope, size, and capacity to control hydrostatic pressures and to lower, control, remove, and dispose of ground water and permit excavation and construction to proceed on dry, stable subgrades.

B. Prevent surface water and ground water from entering excavations, from ponding on prepared subgrades, and from flooding Project site and surrounding area.

C. Protect subgrades from softening, undermining, washout, and damage by rain or water accumulation.

1. Reroute surface water runoff away from excavated areas. Do not allow water to accumulate in excavations. Do not use excavated trenches as temporary drainage ditches.

D. Dispose of water removed by dewatering in a manner that avoids endangering public health, property, and portions of work under construction or completed. Dispose of water and sediment in a manner that avoids inconvenience to others.

3.3 EXPLOSIVES

A. Explosives: Do not use explosives.

3.4 EXCAVATION, GENERAL

A. Classified Excavation: Excavate to subgrade elevations. Material to be excavated will be classified as earth and rock. Do not excavate rock until it has been classified and cross sectioned by Engineer. The Contract Sum will be adjusted for rock excavation according to the Contract Documents. Changes in the Contract Time may be authorized for rock excavation.

1. Earth excavation includes excavating pavements and obstructions visible on surface;

underground structures, utilities, and other items indicated to be removed; and soil, boulders, and other materials not classified as rock or unauthorized excavation.

a. Intermittent drilling; blasting, if permitted; ram hammering; or ripping of material not classified as rock excavation is earth excavation.

3.5 EXCAVATION FOR STRUCTURES

A. Excavate to indicated elevations and dimensions within a tolerance of plus or minus 1 inch. If applicable, extend excavations a sufficient distance from structures for placing and removing concrete formwork, for installing services and other construction, and for inspections.

1. Excavations for Footings and Foundations: Do not disturb bottom of excavation. Excavate by hand to final grade just before placing concrete reinforcement. Trim bottoms to required lines and grades to leave solid base to receive other work.

2. Excavation for Underground Tanks, Basins, and Mechanical or Electrical Utility Structures:

Excavate to elevations and dimensions indicated within a tolerance of plus or minus 1 inch.

Do not disturb bottom of excavations intended as bearing surfaces.

3.6 EXCAVATION FOR TRAILS

A. Excavate surfaces under trails to indicated lines, cross sections, elevations, and subgrades.

DTMB File #751/20155.JBB

OHM PROJECT # 7136-21-0010

EARTH MOVING

31 20 00 - Page 6 of 9

Copyright © 2023 by the American Institute of Architects. Warning: This AIA MasterSpec-based document is protected by U.S. Copyright Law and International Treaties.

It was created by "OHM Advisors" for "Nahma Grade Multiuse Trail". A valid, current MasterSpec license is required for editing and use of this document for any other project.(15195)

3.7 UNAUTHORIZED EXCAVATION

A. Fill unauthorized excavation under foundations or wall footings by extending bottom elevation of concrete foundation or footing to excavation bottom, without altering top elevation. Lean concrete fill, with 28-day compressive strength of 2500 psi, may be used when approved by Engineer.

1. Fill unauthorized excavations under other construction, pipe, or conduit as directed by

Engineer.

3.8 STORAGE OF SOIL MATERIALS

A. Stockpile borrow soil materials and excavated satisfactory soil materials without intermixing.

Place, grade, and shape stockpiles to drain surface water. Cover to prevent windblown dust.

1. Stockpile soil materials away from edge of excavations. Do not store within drip line of remaining trees.

3.9 BACKFILL

A. Place and compact backfill in excavations promptly, but not before completing the following:

1. Construction below finish grade including, where applicable, subdrainage, dampproofing, waterproofing, and perimeter insulation.

2. Surveying locations of underground utilities for Record Documents.

3. Testing and inspecting underground utilities.

4. Removing concrete formwork.

5. Removing trash and debris.

6. Removing temporary shoring, bracing, and sheeting.

7. Installing permanent or temporary horizontal bracing on horizontally supported walls.

B. Place backfill on subgrades free of mud, frost, snow, or ice.

3.10 UTILITY TRENCH BACKFILL

A. Place backfill on subgrades free of mud, frost, snow, or ice.

B. Place and compact bedding course on trench bottoms and where indicated. Shape bedding course to provide continuous support for bells, joints, and barrels of pipes and for joints, fittings, and bodies of conduits.

C. Backfill voids with satisfactory soil while removing shoring and bracing.

D. Initial Backfill:

1. Soil Backfill: Place and compact initial backfill of subbase material , free of particles larger than 1-1/2 inches in any dimension, to a height of 12 inches over the pipe or conduit.

a. Carefully compact initial backfill under pipe haunches and compact evenly up on both sides and along the full length of piping or conduit to avoid damage or displacement of piping or conduit. Coordinate backfilling with utilities testing.

E. Final Backfill:

1. Soil Backfill: Place and compact final backfill of satisfactory soil to final subgrade elevation.

3.11 SOIL FILL

A. Plow, scarify,…