B08_Attachment_1_-_Statement_of_Work.pdf

STATEMENT OF WORK (SOW)

Katahdin Woods and Waters National Monument

PMIS 330350A Modernize Katahdin Loop Overlook, Penobscot County, Maine T-3 R-8 WELS - Construct

Parking Area and Approach

1.0 Background

Project is located in the National Park Service unit, Katahdin Woods and Waters National Monument (KAWW), located in Penobscot County of Northern Maine.

Katahdin Woods and Waters National Monument includes more than 80,000 acres and several hundred miles of aggregate-surface logging roads customary to the Maine Northern Woods. This contract will re-construct the Katahdin Loop Viewing Area for safety and accessibility. Improve traffic flow and parking so that vehicles and pedestrians can safely access the views while accommodating traffic and parking. The area is an old gravel pit that has only been roughly shaped and has no delineation for current parking area is subject to gridlock and accidents, both vehicular and pedestrian, due to the lack of organization in the parking.

2.0 Scope

This contract requires the contractor to provide all tools, labor, equipment, supervision, transportation, and materials necessary to complete all excavation, drainage, surfacing, grading, and brushing work for this project. Work is to be done in accordance with all existing Federal, State, and local codes.

The contractor is to complete all excavation, drainage, surfacing, grading and brushing work as shown in Attachment 2.

3.0 Objectives

The objective of this contract is to improve traffic flow and parking so that vehicles and pedestrians can safely access the views while accommodating traffic and parking.

4.0 Tasks

• Perform all construction work pertaining to excavation, drainage, surfacing, grading, and brushing to meet the specifications as described in Attachment 2.

• Construct/Install proposed erosion control measures as described in Attachment 2.

• Follow all testing/surveying requirements as specified in engineering design.

• Brush and ditch approach from Katahdin Loop Road Junction to a road surface width of 16’. Distance of 750’. Brush vegetation to outside catch point.

Excavate for New Vault Toilet/Remove Existing Vault Toilet: Remove existing concrete Vault Toilet. Vault toilet may be used during construction process but must be transported to the Barnard Mountain Trailhead upon Project completion – See

Attachment 1 for location map and specifications.

1. Excavate hole in same place of existing vault toilet to the size of 7’ wide X 9’ long by 6 feet deep. Excavated hole is to be left unfilled for an installation of a vault toilet the following year separate of this contract.

5.0 Delivery

All work will take place in Katahdin Woods and Waters National Monument located in Penobscot County, Maine, T3-R8 WELS. See Attachment 1 for maps and project location information.

Two Ways to Access Construction Site

• Coming from the direction of Stacyville there is access down Swift Brook Road to the Katahdin Loop Road. There is a weight limit when coming from this direction over Whetstone Bridge of 20 tons.

• There is no weight limit when coming from the town of Medway via Roberts Road and Kelloch Mountain Road.

5.1 Logistics and Process

• The Contractor shall provide all tools, labor, equipment, supervision, transportation, and materials necessary to construct parking area and approach. All work shall be completed in accordance with Federal, State, and Local codes.

• Contractor to provide a proposed construction schedule to be revised and approved by the National Park Service (NPS) prior to the commencement of work.

• Safety is the responsibility of the contractor. Contractor shall submit a safety plan to the Contracting Officer prior to performing any work under this contract.

• The contractor shall supervise and inspect the work of this project in an efficient and competent manner. Contractor shall be solely responsible for the means, methods, techniques, sequences, and procedures to complete the work.

• All vehicles and equipment shall be cleaned of any dirt or vegetation, particularly on the undercarriage, tracks, and sprockets before coming to the jobsite.

• Contractor is responsible for verifying topography and existing conditions prior to construction.

• Contractor shall be responsible for verifying pipe sizes, inverts, and locations, and shall include in submittal prior to ordering.

• Layout of the project is the responsibility of the contractor and shall be approved by NPS prior to the start of mechanized work. Contractor shall be responsible for all grade and layout control. Layout should be performed by licensed surveyor. A CAD file will be available to contractor.

5.2 Materials

• Work shall include erosion control; all organic materials must be sourced from project location using pulverized or chipped materials. No outside materials may be used in fear of invasive plant species taking hold. Disregard line items 5 and 8 under Erosion Control Notes regarding the use of outside materials in Attachment 2.

• All materials scheduled for removal shall be disposed of in a legal manner at no additional cost to NPS. NPS has the first right of refusal for demolition materials.

• Disposal of surplus soil material shall be the responsibility of the contractor; surplus materials shall not be disposed of on the construction site. Disposal shall be made only at waste areas which are licensed to accept such materials unless the material is acceptable for fill in other areas of the project. NPS has the first right of refusal for any surplus soil materials.

• NPS will delegate a site within three miles of the construction site for organic excess materials. All organic excess materials must be pulverized or chipped.

• Contractor shall follow all specifications regarding material testing and placement as specified in attachment 2. The cost of materials to execute project to completion is placed solely on contractor.

6.0 Government-Furnished Property

The Government will not be furnishing nor providing any property to the contractor for this contract.

7.0 Security

Contractor shall be responsible for securing the work site, materials, equipment, and tools during the duration of the contract. A staging area will be located at the junction of Katahdin

Loop Road and project location. NPS will close the section of the Katahdin Loop Road for the full duration of construction for public safety. NPS will take care of the detour and closure signage. The Government will take no responsibility for lost, stolen or damaged property.

8.0 Place of Performance

The contract work shall be performed on the Katahdin Loop Road at the Katahdin Overlook within Katahdin Woods and Waters National Monument (KAWW), located in Penobscot

County, Maine. Location is located on hilltop.

9.0 Period of Performance

• The on-site work can be started between the 5th of May and October 30th in any calendar year. The period of performance for this contract is 145 calendar days from notice to proceed. If contract period of performance extends past October 30th then entry into the park will be coordinated with the COR. Contractor may call for final inspection prior if completed.

• Submittals identified in Section 5.0 shall be provided to the Government within 14 days of award of this contract for review and approval. It is anticipated that the Government will require a minimum of 5 business days to review the submission.

• Once the submittals are approved by the NPS, the contractor shall commence work, completing it within the period of performance specified above.

Attachment 1

Katahdin Overlook

Overlook Site Map Zoomed Out

NPS

3/28/2024 0 5 102.5 mi

0 8 164 km

1:421,788

Katahdin Overlook

Overlook Site Map Zoomed In

NPS

3/28/2024 0 1 20.5 mi

0 2 41 km

1:105,447

Directions From Millinocket Via Roberts Road, Kelloch Mt. Road. No weight limit.

Directions From Stacyville via Swift Brook Rd. and Katahdin Loop Rd. 20 Ton Limit

Aerial Photo of Project Location

Staging Area Location. Approach Road to be Brushed Graded and Ditched

Current Onsite Conditions

Attachment 2

9'

18'

24'

PROPOSED NITTERHOUSE

CONCRETE LOG PARKING

BLOCK (SEE DETAIL, TYP.)

EXISTING PRIVY TO

REMAIN

18'

24'

9'

R50'

R74'

R32'

R92'

R76'

R4'

R4'

R5'

R5'R2 6'

R5'

R50

R58'

R55'

ROAD TO TAPER FROM 18'

WIDE TO 16' WIDE TO TIE

INTO WIDENED ROAD.

PARKING LOT STALLS

SHOWN FOR ILLUSTRATIVE

PURPOSES ONLY, NO

STRIPING PROPOSED

EXISTING SIGN TO BE

REMOVED

SF

SF

SF

SF

SF

SF

SF

SF

SF

SF

SF

SF

SF

SF

SFSFSFSF

SF

SF

SF

SF

SF

SF

SF

SF

SF

SF

SF

24'

CONTRACTOR TO GRADE

ACCORDINGLY TO

ACHIEVE ACCESS TO

EXISTING PRIVY

CONTRACTOR TO GRADE

DITCH TO TIE INTO EXISTING

ROAD DITCH AND PROMOTE

POSITIVE DRAINAGE

PROPOSED BOULDERS

EXISTING BOULDERS TO

REMAIN

TO K

ATAHDIN

LOOP R

OAD

1204.5

PROPOSED 12" HDPE

INV. IN: 1195.40

INV. OUT: 1195.00

L: 40 LF / S: 0.01

PROPOSED PLUNGE POOL/

OUTLET PROTECTION

PROPOSED INLET

PROTECTION, TYP.

1201.2

96 19

PROPOSED BOULDERS

16'

18'

CONTRACTOR TO WIDEN EXISTING 10 FOOT WIDE ROAD TO

16 FEET WIDE EXTENDING TO THE KATAHDIN LOOP ROAD.

CONTRACTOR TO CLEAR ADJACENT VEGETATION AS

NEEDED, REMOVE ROOT MASSES, AND BRING IN NECESSARY

GRAVEL TO MATCH EXISTING GRADES. IT IS ASSUMED THAT

ADEQUATE GRAVEL EXISTS BENEATH THE AREA TO BE

WIDENED. CONSTRUCTION SHALL RESULT IN AT LEAST 15"

OF GRAVEL BENEATH THE NEWLY EXPANDED AREAS.

START ROAD WIDENING TO

KATAHDIN LOOP ROAD

(APPROX. 620 LINEAR FEET)

R5 0'

LOCATION MAP:

SCALE: 1"=2000'

USGS QUADRANGLE: WHETSTONE MT

MAPTECH® USGS TOPOGRAPHIC SERIESTM,

©MAPTECH®, INC. 978-933-3000

WWW.MAPTECH.COM/TOPO

SITE

PLAN REFERENCE:

INFORMATION BASED ON CONDITIONS FOUND AND SURVEYED

BY CES INC. ON NOVEMBER 20, 2017 AND SEPTEMBER 16, 2019.

MINOR FOOT CONTOUR

LEGEND:

DESCRIPTION EXISTING

SURVEY STATION

EDGE OF GRAVEL

MAJOR FOOT CONTOUR

PROPOSED

BENCHMARK

PROPERTY LINE

SILT FENCE

GRAVEL SURFACE

SF

SIGN

( IN FEET )

GRAPHIC SCALE

020 10 20 40 60

1 inch = 20 ft.

HALEY WARD

ENGINEERING ENVIRONMENTAL SURVEYING

WWW.HALEYWARD.COM

One Merchants Plaza, Suite 701

Bangor, Maine 04401 207.989.4824

415 Lisbon Street, Suite 200Lewiston, Maine 04240207.795.600963 Dublin Street, Suite 2Machias, Maine 04654207.255.3270549 Main StreetPresque Isle, Maine 04769207.764.8412146 Main Street, Suite 300Saco, Maine 04072207.283.915144 Main StreetWaterville, Maine 04901207.680.2202

1234567

PROJECT

TITLE

DATE SCALE

DRAWN BY DESIGNED BY CHECKED BY

PROJECT No.

DRAWING No. REV.

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CERTIFICATE OF AUTHORIZATION No.

1234567

T2 R8 WELS, PENOBSCOT COUNTY, MAINE

PROPOSED SITE PLAN

2024.02.13 1" = 20'

PJM ALF ACH

12345.004

C101 C.O.A. No.

DESCRIPTION BY CHK.DATE

DRAWING ISSUE STATUS

REV.

ISSUED FOR CONSTRUCTION

TREE LINE

KATAHDIN WOODS AND WATERS

NATIONAL MONUMENT

DRAINAGE ARROW

02/13/2024

HALEY WARD

ENGINEERING ENVIRONMENTAL SURVEYING

WWW.HALEYWARD.COM

One Merchants Plaza, Suite 701

Bangor, Maine 04401 207.989.4824

415 Lisbon Street, Suite 200Lewiston, Maine 04240207.795.600963 Dublin Street, Suite 2Machias, Maine 04654207.255.3270549 Main StreetPresque Isle, Maine 04769207.764.8412146 Main Street, Suite 300Saco, Maine 04072207.283.915144 Main StreetWaterville, Maine 04901207.680.2202

1234567

PROJECT

TITLE

DATE SCALE

DRAWN BY DESIGNED BY CHECKED BY

PROJECT No.

DRAWING No. REV.

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B

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CERTIFICATE OF AUTHORIZATION No.

1234567

T2 R8 WELS, PENOBSCOT COUNTY, MAINE

SITE DETAILS

2024.02.13 NTS

PJM ALF ACH

12345.004

C501 C.O.A. No.

DESCRIPTION BY CHK.DATE

DRAWING ISSUE STATUS

REV.

ISSUED FOR CONSTRUCTION

GENERAL CONSTRUCTION NOTES

1. THIS PROJECT GENERALLY CONSISTS OF THE DEVELOPMENT OF A NEW PARKING LOT. PROVIDE ALL SURFACE RESTORATION, EROSION CONTROL, TRAFFIC CONTROL AND OTHER WORK AS SPECIFIED OR

APPURTENANT.

2. CONTRACTOR TO PROVIDE A PROPOSED CONSTRUCTION SCHEDULE TO BE REVISED AND APPROVED BY THE

OWNER AND ENGINEER PRIOR TO THE COMMENCEMENT OF WORK.

3. THE CONTRACTOR SHALL NOTIFY THE OWNER AND ENGINEER IN WRITING OF ANY CONDITION OR OCCURRENCE THAT REPRESENTS A CHANGE IN THE PROJECT SCOPE. VERBAL NOTIFICATION IS REQUIRED PRIOR TO PROCEEDING WITH THE WORK OF THE PROJECT AND WRITTEN NOTIFICATION MUST BE PROVIDED THEREAFTER.

REQUESTS FOR FEE ADJUSTMENTS WILL NOT BE CONSIDERED UNLESS PROPER NOTICE IS GIVEN.

4. THE CONTRACTOR SHALL PROVIDE ALL LABOR, EQUIPMENT, AND MATERIALS AS REQUIRED TO PERFORM THE WORK AS INDICATED ON THE DRAWINGS. ALL WORK SHALL BE COMPLETED IN ACCORDANCE WITH FEDERAL, STATE, AND LOCAL CODES.

5. CONTRACTOR IS RESPONSIBLE FOR OBTAINING ALL NECESSARY CONSTRUCTION PERMITS. PERMIT APPLICATIONS SHALL BE SUBMITTED WITH ADEQUATE TIME SO AS NOT TO DELAY CONSTRUCTION.

6. THE CONTRACTOR SHALL SUPERVISE AND INSPECT THE WORK OF THIS PROJECT IN AN EFFICIENT AND COMPETENT MANNER. THE CONTRACTOR SHALL BE SOLELY RESPONSIBLE FOR THE MEANS, METHODS, TECHNIQUES, SEQUENCES, AND PROCEDURES USED TO COMPLETE THE WORK. THE CONTRACTOR SHALL BE RESPONSIBLE FOR ENSURING THE WORK IS IN ACCORDANCE WITH THE CONTRACT DOCUMENTS. A REPRESENTATIVE OF THE GENERAL CONTRACTOR SHALL BE PRESENT DURING ALL PHASES OF THE WORK.

7. SAFETY IS THE RESPONSIBILITY OF THE CONTRACTOR. PERFORM ALL WORK IN ACCORDANCE WITH SAFETY STANDARDS OF APPLICABLE LAWS, BUILDING AND CONSTRUCTION CODES, THE "MANUAL OF ACCIDENT PREVENTION IN CONSTRUCTION" PUBLISHED BY THE ASSOCIATED GENERAL CONTRACTORS OF AMERICA, THE REQUIREMENTS OF THE OCCUPATIONAL SAFETY AND HEALTH ACT OF 1970, AND THE REQUIREMENTS OF TITLE 9 OF THE CODE OF FEDERAL REGULATIONS, PART 1926, "SAFETY AND HEALTH REGULATIONS FOR CONSTRUCTION".

8. THE CONTRACTOR IS RESPONSIBLE FOR VERIFYING TOPOGRAPHY AND EXISTING CONDITIONS PRIOR TO

CONSTRUCTION.

9. CONTRACTOR SHALL BE RESPONSIBLE FOR VERIFYING PIPE SIZES, INVERTS, AND LOCATIONS, AND SHALL

INCLUDE IN SUBMITTAL PRIOR TO ORDERING.

10. STORM DRAIN PIPING SHALL BE HDPE SMOOTH INTERIOR/CORRUGATED EXTERIOR. PIPE SHALL MEET HI-Q

SURE-LOCK AS MANUFACTURED BY HANCOR, INC., OR APPROVED EQUAL.

11. LAYOUT OF THE PROJECT IS THE RESPONSIBILITY OF THE CONTRACTOR AND SHALL BE APPROVED BY THE ENGINEER. CONTRACTOR SHALL BE RESPONSIBLE FOR ALL GRADE AND LAYOUT CONTROL. LAYOUT SHOULD BE PERFORMED WITH SURVEY EQUIPMENT AND OVERSEEN BY A LICENSED SURVEYOR. A CAD FILE WILL BE

AVAILABLE TO THE CONTRACTOR.

12. THE WORK SHALL INCORPORATE EROSION CONTROL MEASURES WHICH ARE COMPLIANT WITH THE LATEST VERSION OF "MAINE EROSION AND SEDIMENT CONTROL HANDBOOK FOR CONSTRUCTION: BEST MANAGEMENT

PRACTICES".

13. CONTRACTOR SHALL BE REQUIRED TO PROVIDE DUST CONTROL FOR PROJECT WHICH CAN INCLUDE, BUT IS

NOT LIMITED TO, WATER AND CALCIUM CHLORIDE. COST IS INCIDENTAL TO THE PROJECT.

14. RESTRICT ACCESS TO SITE THROUGH THE USE OF APPROPRIATE SIGNAGE, GATES, BARRIERS, FENCES, ETC.

SITE SHALL BE LEFT WITH APPROPRIATE SAFETY MEASURES IN PLACE DURING NON-WORKING HOURS. NO TRENCH SHALL BE LEFT OPEN DURING NON-WORKING HOURS. SITE SAFETY IS THE RESPONSIBILITY OF

CONTRACTOR, DURING BOTH WORKING AND NON-WORKING HOURS.

15. THE CONTRACTOR SHALL TAKE ALL NECESSARY PRECAUTIONS TO PREVENT EQUIPMENT FLUIDS FROM REACHING ANY WATER COURSE. ANY INADVERTENT FLUID DISCHARGES SHALL BE IMMEDIATELY CLEANED FROM

THE WATERS USING WHATEVER MEANS NECESSARY, AS DETERMINED BY THE ENGINEER.

16. ALL FINISH SURFACES SHALL BE INSTALLED TO PROMOTE POSITIVE DRAINAGE. IN NO WAY SHALL THE NEW FINISH SURFACES CREATE DRAINAGE PROBLEMS THAT DID NOT EXIST PRIOR TO CONSTRUCTION.

17. RESTORE ALL AREAS DISTURBED BY CONTRACTORS' OPERATION TO ORIGINAL CONDITIONS UNLESS OTHERWISE NOTED ON THE PLANS. SUCH RESTORATION SHALL BE INCIDENTAL TO THE PROJECT.

18. ALL MATERIALS SCHEDULED FOR REMOVAL SHALL BE DISPOSED OF IN A LEGAL MANNER BY THE CONTRACTOR AT NO ADDITIONAL COST TO THE OWNER. THE OWNER HAS THE FIRST RIGHT OF REFUSAL FOR ANY

DEMOLITION MATERIALS.

19. DISPOSAL OF SURPLUS SOIL MATERIAL SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR, SURPLUS MATERIAL SHALL NOT BE DISPOSED OF ON THE PROJECT SITE. DISPOSAL SHALL BE MADE ONLY AT WASTE AREAS WHICH ARE LICENSED TO ACCEPT SUCH MATERIALS, UNLESS THE MATERIAL IS ACCEPTABLE FOR USE AS FILL IN OTHER AREAS OF THE PROJECT. THE OWNER HAS THE FIRST RIGHT AND REFUSAL FOR ANY SURPLUS SOIL MATERIALS. THE NATIONAL PARK SERVICE WILL DELEGATE A DISPOSAL SITE WITHIN THREE MILES OF THE CONSTRUCTION SITE FOR ORGANIC EXCESS MATERIALS. MATERIALS ARE NOT ALLOWED TO BE TAKEN OUT OF

THE PARK FOR USE ELSEWHERE.

MATERIAL TESTING/PLACEMENT:

1. CONTRACTOR SHALL PLACE MATERIAL IN LAYERS OF THICKNESSES OF MAXIMUM 12 INCH BEFORE COMPACTION. COMPACT EACH LAYER WITH VIBRATORY COMPACTORS BEFORE PLACING THE NEXT LAYER.

2. CONTRACTOR SHALL EMPLOY ALL SERVICES OF A QUALIFIED FIRM TO PERFORM QUALITY CONTROL TESTING IN THE FIELD OR LABORATORY ON MOISTURE-DENSITY RELATIONSHIPS (PROCTORS) AND RELATIVE DENSITY TESTS ON FILL AND BACKFILL MATERIALS, IN-PLACE FIELD DENSITY TESTS ON EMBANKMENTS AND FILLS, AND OTHER MATERIALS AND EQUIPMENT DURING AND FATER THEIR INCORPORATION IN THE WORK. FIELD SAMPLING AND TESTING SHALL BE PERFORMED BY THE TESTING FIRM WITH MINIMUM INTERFERENCE WITH CONSTRUCTION

OPERATIONS.

3. CONTRACTOR SHALL FURNISH ALL SAMPLE MATERIALS AND COOPERATE IN THE SAMPLING AND FIELD TESTING ACTIVITIES. CONTRACTOR WILL FURNISH PERSONNEL, EQUIPMENT, AND FACILITIES TO PERFORM SAMPLING AND FIELD TESTING ACTIVITIES TO DELIVER SAMPLES AND TEST SPECIMENS TO THE TESTING

LABORATORY.

4. IF TESTS INDICATE WORK DOES NOT MEET SPECIFIED REQUIREMENTS, REMOVE WORK, REPLACE, AND

RETEST AT NO COST TO THE OWNER.

5. TEST AND ANALYSIS OF FILL MATERIAL WILL BE PERFORMED IN ACCORDANCE WITH ANSI/ASTM D1557.

6. COMPACTION TESTS WILL BE PERFORMED IN ACCORDANCD WITH ANSI/ASTM D6938.

7. SITE WORK/PARKING LOT - 1 TEST EVERY 5,000 SQUARE FEET, EACH LIFT.

MATERIAL NOTES:

1. AGGREGATE BASE GRAVEL SHALL MEET MDOT STANDARD SPECIFICATION 703.06 TYPE A.

2. AGGREGATE SUBBASE GRAVEL SHALL MEET MDOT STANDARD SPECIFICATION 703.06 TYPE D.

3. ¾-INCH CRUSHED STONE SHALL MEET MDOT STANDARD SPECIFICATION 703.13

4. BACKFILL MATERIAL SHOULD MEET THE FOLLOWING FOR COMPACTION:

FILL AND BACKFILL LOCATIONS MODIFIED PROCTOR DENSITY %

GRAVEL FOR PARKING LOT 95

PIPE BEDDING AND TRENCHING 92

EROSION CONTROL NOTES

1. ALL SEDIMENTATION AND EROSION CONTROL MEASURES SHALL BE IN ACCORDANCE WITH THE MAINE EROSION AND SEDIMENTATION CONTROL BEST MANAGEMENT PRACTICES (BMPS), PUBLISHED BY THE BUREAU OF LAND AND WATER QUALITY, MAINE DEPARTMENT OF ENVIRONMENTAL PROTECTION, LATEST EDITION.

2. SILT FENCE WILL BE INSPECTED, REPLACED AND/OR REPAIRED IMMEDIATELY FOLLOWING ANY SIGNIFICANT RAINFALL OR SNOW MELT OR LOSS OF SERVICEABILITY DUE TO SEDIMENT ACCUMULATION. AT A MINIMUM, ALL

EROSION CONTROL DEVICES WILL BE OBSERVED WEEKLY.

3. DURING THE CONSTRUCTION PHASE, INTERCEPTED SEDIMENT WILL BE RETURNED TO CONSTRUCTION SITE.

4. SEDIMENT CONTROL DEVICES SHALL REMAIN IN PLACE AND BE MAINTAINED BY THE CONTRACTOR UNTIL AREAS UPSLOPE ARE STABILIZED BY A SUITABLE GROWTH OF VEGETATION. ONCE A SUITABLE GROWTH OF VEGETATION HAS BEEN OBTAINED, ALL TEMPORARY EROSION CONTROL ITEMS SHALL BE REMOVED BY THE CONTRACTOR. ANY SEDIMENT DEPOSITS REMAINING IN PLACE AFTER THEY ARE REMOVED SHALL BE DRESSED TO

CONFORM WITH THE EXISTING GRADE, PREPARED, AND MULCHED IMMEDIATELY.

5. A SUITABLE BINDER SUCH AS CURASOL OR TERRTACK WILL BE USED ON THE STRAW MULCH FOR WIND

CONTROL.

6. INTERIOR SILT FENCES ALONG CONTOUR DIVIDING FLAT AND STEEP SLOPES, AREAS WITH DIFFERENT DISTURBANCE SCHEDULES, AROUND TEMPORARY STOCKPILES OR IN OTHER UNSPECIFIED POSSIBLE CIRCUMSTANCES SHOULD BE CONSIDERED BY THE CONTRACTOR. THE INTENT OF SUCH INTERIOR SILT FENCES IS TO LIMIT SEDIMENT TRANSPORT WITHIN THE SITE TO MINIMIZE SEDIMENT REMOVAL REQUIRED BY THE EROSION

CONTROL NOTE 9 PROTECTIONS.

7. THE CONTRACTOR SHALL PROVIDE A SEDIMENT BASIN FOR ALL WATER PUMPED FROM EXCAVATIONS. BASIN SHALL BE DESIGNED AND CONSTRUCTED IN ACCORDANCE WITH THE "MAINE EROSION AND SEDIMENT HANDBOOK

FOR CONSTRUCTION: BEST MANAGEMENT PRACTICES". THE CONTRACTOR SHALL SUBMIT FOR

REVIEW/APPROVAL PRIOR TO BEGINNING ANY PROJECT WORK.

8. ALL DISTURBED AREAS WILL BE STABILIZED WITH STRAW MULCH OR STRAW MAT IN ACCORDANCE WITH

NATIONAL PARK STANDARDS.

9. MINIMUM EROSION CONTROL MEASURES WILL NEED TO BE IMPLEMENTED AND THE CONTRACTOR WILL BE RESPONSIBLE TO MAINTAIN ALL COMPONENTS OF THE EROSION CONTROL PLAN UNTIL THE SITE IS FULLY STABILIZED. HOWEVER, BASED ON SITE AND WEATHER CONDITIONS DURING CONSTRUCTION, ADDITIONAL EROSION CONTROL MEASURES MAY NEED TO BE IMPLEMENTED. ALL AREAS OF INSTABILITY AND EROSION MUST BE REPAIRED IMMEDIATELY DURING CONSTRUCTION AND NEED TO BE MAINTAINED UNTIL THE SITE IS FULLY STABILIZED OR VEGETATION IS ESTABLISHED. A CONSTRUCTION LOG MUST BE MAINTAINED FOR THE EROSION AND SEDIMENTATION CONTROL INSPECTIONS AND MAINTENANCE. CONTRACTOR WILL BE RESPONSIBLE FOR FOLLOWING PROCEDURES FOUND IN THE "MAINE EROSION AND SEDIMENT CONTROL PRACTICES FIELD GUIDE FOR

CONTRACTORS" (PUBLISHED MARCH 2015). THE PUBLICATION CAN BE FOUND AT:

HTTP://WWW.MAINE.GOV/DEP/LAND/EROSION/ESCBMPS/INDEX.HTML

NTS

TYPICAL GRAVEL BUILDUP DETAIL

GEOTEXTILE EQUAL TO MIRAFI 600X

18" OF AGGREGATE SUB-BASE GRAVEL (MDOT 703.6 TYPE D)

6" OF AGGREGATE BASE GRAVEL (MDOT 703.6 TYPE A)

NTS

SILT FENCE DETAIL

1. KEY FABRIC IN A 6"x6" TRENCH W/BACKFILL AND

COMPACT.

2. SILT FENCE SHALL BE A 3' FENCE WITH A MINIMUM GRAB

STRENGTH OF 120 LBS.

WOODEN STAKE TYP.

FILTER FABRIC

BACKFILLED AND

COMPACTED

6"x6" TRENCH

EXISTING

GROUND

SPACING 6'-0" O.C.

NOTES:

NTS

EROSION CONTROL MIX BERM DETAIL

COARSE SOURCE - SEPARATED

WOOD AND BARK COMPOST

INSTALL BERM PERPENDICULAR

TO NATURAL FLOW

GRADE

5'-0"

MIN.

1' -0

M

IN

FLOW

2'-0"

MIN.

LI

M

IT

O

F C

O N

ST

R

U C

TI

O

N

NOTE:

THE EROSION CONTROL MIX MUST BE WELL-GRADED WITH AN ORGANIC

COMPONENT THAT IS BETWEEN 50 AND 100% OF DRY WEIGHT, AND

THAT IS COMPOSED OF FIBROUS AND ELONGATED FRAGMENTS. THE

MINERAL PORTION OF THE MIX SHOULD BE NATURALLY INCLUDED IN

THE PRODUCT WITH NO LARGER ROCKS (>4”) OR LARGE AMOUNTS OF

FINES (SILTS AND CLAYS). IN STUMP GRINDING, THE MINERAL SOIL

ORIGINATES FROM THE ROOT BALL AND SHOULD NOT BE REMOVED

BEFORE GRINDING. THE MIX SHOULD BE FREE OF REFUSE, MATERIAL

TOXIC TO PLANT GROWTH OR UNSUITABLE MATERIAL (BARK CHIPS,

GROUND CONSTRUCTION DEBRIS OR REPROCESSED WOOD

PRODUCTS).

(MAY BE USED AS AN ALTERNATE TO SILT FENCE)

3%

18' TRAVEL WAY

4" NATIVE TOPSOIL

SOURCE FROM

THIS SITE

PROPOSED MIRAFI 600X GEOTEXTILE

NATIVE MATERIAL

2' DITCH

BOTTOM WIDTH

6" OF AGGREGATE BASE GRAVEL (MDOT 703.6 TYPE A)

1' 1'MULCHED

SHOULDER, TYP.

GRASSED LINED DITCH

NOTE:

SIDESLOPE SHALL BE

2:1 UNLESS SHOWN

OTHERWISE.

EROSION CONTROL

BLANKET

1- 0"

M

IN

STRAW

MULCH

TYPICAL DITCH DETAILS

N.T.S.

1'-0"

TYPICAL SUPERELEVATED ROADWAY CROSS SECTION

N.T.S.NTS

TYPICAL STORM DRAIN TRENCH DETAIL

3/4" CRUSHED STONE

(MDOT 703.13)

VA

R

IE

S

HDPE STORM DRAIN PIPE

SEE TYPICAL ROADWAY

BUILDUP DETAIL AND

TYPICAL ASPHALT

PAVEMENT GRINDING

DETAIL (4" LOAM, SEED, &

MULCH NON PAVED AREAS)

UNDISTURBED MATERIAL

NOTE:

1. MATCH EXISTING SURFACE FINISH, EXCEPT WHERE NOTED.

IN LAWN AREAS INSTALL 4" OF LOAM AND SEED AND MULCH.

BACKFILL W/ EXCAVATED

MATERIAL OR AS DIRECTED

BY THE ENGINEER, SEE

SPECIFICATIONS FOR

COMPACTION

FOR ROADS, SHOULDERS,

PARKING LOTS, AND

DRIVEWAYS, BACKFILL

W/24" GRAVEL

MATCH

EXISTING/PROPOSED

FINISHED SURFACE

1/2 PIPE DIA.

PLUS 6" MIN.

1/2 PIPE DIA.

PLUS 6" MIN.

MARKER TAPE

2' -0

PAY LIMITS

STORM TRENCH

6'-0"

NTS

TYPICAL PLUNGE POOL DETAIL

2:12:1

2:1

2:1

72"

24"

GEOTEXTILE MIRAFI

160 N OR APPROVED

EQUAL

STORMDRAIN

FLOW 72" FLOW

TOP VIEW

FLOW

13.5" OF d50 = 6"

RIP RAP

TAILWATER SURFACE

6"

6"

BOTTOM OF

CHANNEL

NTS

TYPICAL CULVERT INLET/OUTLET PROTECTION

DETAIL

6" d50 RIPRAP

MINIMUM 14" THICK

GEOTEXTILE FABRIC

MIRAFI 160N OR

APPROVED EQUAL

HDPE CULVERT

DIAMETER D

RIPRAP EXTENDS MIN

CULVERT DIAMETER (D)

6" d50 RIPRAP

MINIMUM 14" THICK

ELEVATION

D @ INLET

2D @ OUTLET

PROFILE VIEW

D

D

KATAHDIN WOODS AND WATERS

NATIONAL MONUMENT

18" OF SUB-BASE GRAVEL (MDOT 703.6 TYPE D)

4" NATIVE TOPSOIL

SOURCE FROM

THIS SITE

02/13/2024 jroman Cross-Out jroman Cross-Out