Specifications.pdf

LAKE OTTAWA PHASE II - IMPROVEMENTS ON THE

CIVILIAN CONSERVATION CORPS STRUCTURE;

BUILDING AND SITE IMPROVEMENTS

TABLE OF CONTENTS

DIVISION 2 SITE WORK

01010 Scope of Work 02000 Mobilization 02050 Demolition 02200 Soil Erosion and Sediment Control 02230 Site Clearing 02274 Rip Rap 02300 Earthwork 02332 Aggregate Base 02335 Aggregate Shoulders 02741 HMA Surface 02782 Pavement Marking 02846 Signage 02900 Restoration 02920 Lawns and Grasses

DIVISION 3 CONCRETE

3300 Cast-In-Place Concrete

DIVISION 7 THERMAL AND MOISTURE PROTECTION

07300 Asphalt Shingles 07312 Wood Shakes

DIVISION 8 DOORS AND WINDOWS

08111 Metal Doors and Frames 08610 Windows 08710 Finish Hardware

02050-1

SECTION 01010 SCOPE OF WORK

PART ONE – GENERAL

1.01 SUMMARY

A. General

1. The work of this project consists of furnishing all submittals, materials, equipment, labor, supervision, transportation, supplies, and misc. materials necessary to perform the required work items which consists of remodeling and/or construction of improvements and required repairs needed on select buildings and facilities of the Lake Ottawa Campground located in Iron River, Michigan, as shown on the contract drawings and described in the specifications. All work required to meet all City, State and Federal Codes and regulations and historical preservation standards.

Select buildings and the grounds at the Lake Ottawa Campground are eligible for listing on the National Register of Historic Places (NRHP). The “Secretary of Interior’s Standards and Guidelines for Treatment of Historic Properties” identifies four treatment approaches for historic buildings and sites. They include preservation, rehabilitation, restoration, and reconstruction. With regard to Lake Ottawa Campground, the Forest Service has chosen preservation and restoration for this contract work items. The Contractor shall adhere to the Secretary’s guidelines.

More specific direction for various treatment applications are found in National Park Service “Preservation Briefs.” Specifically, the Contractor will adhere to specifications that are found in the following Briefs: Number 3, Conserving Energy in Historic Buildings; and, Number 4, Roofing for Historic Buildings. The Contractor will find additional Briefs that address other treatment elements that may pertain to these historic properties. To ensure that design specifications were prepared in accordance with Secretary of Interior’ Standards and Guidelines, during the design development process the Forest Service submitted these specifications and drawings to the State Historic Preservation Officer to ensure that the final design package has been approved by SHPO, meeting all applicable standards and guidelines. The Contractor assumes full responsibility for performance of the work necessary for the successful completion of the project. The work items includes but not limited to the following:

a. Maintenance / Repair of three Civilian Conservation Corp (CCC) buildings and one boat ramp / launch.

(i) Work on the Log Picnic Shelter building includes:

(i) Repairing the following by replacement:

1. Roof elements / system;

2. Concrete floor, base & sub-base;

02050-2

3. Concrete walks adjacent to the building.

(ii) It also includes repairing the concrete foundation,

(iii) Repairing the stone fireplaces & chimneys (flues, liners, spark arrestors, firebox, lintels, tuck pointing, stone work, etc), and

(iv) Log / structure repair work (Ridgepole, Purlins, Log Posts, Logs near chimney(s), Corner logs, Log walls, etc.).

(v) The construction of an accessbile path from the road to the building & nearby fountain / hydrant.

(ii) Work on the Pavilion / Day-Use Building includes:

(i) board & batten siding repair, and

(ii) lavatory (vanity / counter top, sink / basin, fixtures, etc.) repair by replacement in the restrooms.

(iii) Work on the Wastewater Treatment building includes:

(i) roof repair via replacement,

(ii) windows & window frames repair via replacement, and

(iii) door repair via replacement.

(iv) Work on the boat ramp / launch includes:

(i) working in & out of the water,

1. removing / modifying / re-installing (intact) existing elements / components of the boat ramp / launch (storing for modification & later re-installation),

2. dredging,

3. backfilling,

4. grading,

5. shaping,

6. erosion control, and

7. add'l concrete boat ramp element / component purchase & installation.

As indicated above, work on the buildings must comply with salient and applicable Historic regulations, codes, and standards.

02050-3

1.02 All construction shall comply with salient and applicable codes / regulations and / or standards; such as, but not limited to, the most current versions of the following:

A. International Code Council (ICC) codes, B. Executive Order (EO) 11593, C. Standards for Treatment of Historic Properties (STHP), D. National Historic Preservation Act (NHPA), E. Architectural Barriers Act (ABA), F. Forest Service Outdoor Recreation Accessibility Guidelines (FSORAG), G. Forest Service Outdoor Recreation Accessible Routes (FSORAR), H. National Fire Protection Association (NFPA), I. United States Green Building Council (USGBC), J. Federal Energy Management Program (FEMP), K. United States Department of Agriculture – Departmental Regulation 5500-001 (USDA

– DR 5500-001),

L. Occupational Safety & Health Administration (OSHA).

1.03 Code Compliance

1. Supply all parts, equipment, incidentals and materials so that the completed work will meet these Specifications and all applicable Local, State, and Federal Codes.

2. The Contractor and Sub-Contractors shall be State licensed for the type of work being performed.

B. Safety

1. All work shall be in strict accordance with the Department of Labor Occupational Safety and Health Standards, applicable State and local codes and ordinances.

2. Provide, erect and maintain all necessary barricades, lights, and signs and shall take all necessary precautions for the protection of the workers and the public.

C. Historic Preservation Compliance

1. SHPO inquiries should be addressed to:

Mr. Brian D. Conway – State Historic Preservation Officer Michigan State Historic Preservation Office 702 W. Kalamazoo St.

P.O. Box 30740 Lansing, Michigan 48909-8240

02050-4

Phone: 517-373-1630 Fax: 517-335-0348 E-Mail: conwaybd@michigan.gov

1.04 Job Site Conditions

A. A condition of submitting a quote / proposal by the Contractor is certifying that he/she has reviewed the site, and that he/she is familiar with the project requirements.

1.05 Protection of Existing Improvements

A. Protect all existing improvements such as roads, utilities, recreation improvements, the dam itself, trees, existing gabions, and earthen banks and all other items against damage.

B. Load Restrictions: Comply with State and Federal load restrictions as posted.

1.06 Operating Restrictions, Scheduling, Plan of Operations

1. Schedule and conduct the work in such a manner and in a sequence that will cause minimal interference with the public use of the facilities. Signing for closures is the responsibility of the contractor and will be detailed in the Contractor’s plan of operations.

2. At least 10 days prior to beginning any work provide the Forest Service detailed work schedule and plan of operations indicating each item of work and contact persons with all applicable phone/page numbers.

3. Notify the Contracting Officer’s Representative (COR) at least 48 hours prior to beginning any excavation.

4. Work hours shall be M-F, 0800-1700 hrs unless otherwise agreed to in writing by the COR. No work will be allowed on Federal Holidays.

1.07 Links to Supplemental Information:

A. United States Deparment of Agriculture – Forest Service (USDA – FS):

1. http://www.fs.fed.us/

B. Health & Safety Links:

1. National Institute for Occupational Safety & Health (NIOSH):

a. http://www.cdc.gov/niosh/

2. National Safety Council (NSC):

a. http://www.nsc.org/Pages/Home.aspx

3. Occupational Safety & Health Administration (OSHA):

a. http://www.osha.gov/index.html

02050-5

C. Historic Facilities Links:

1. Executive Order 11593:

a. http://www.nps.gov/history/history/online_books/anps/anps_7b.htm

2. Standards for Treatment of Historic Properties:

a. http://www.nps.gov/history/hps/tps/standguide/index.htm

3. Illustrated Guidelines for Rehabilitating Historic Buildings:

a. http://www.nps.gov/history/hps/tps/tax/rhb/index.htm

4. National Historic Preservation Act:

a. http://www.nps.gov/history/local-law/FHPL_HistPrsrvt.pdf

5. National Register of Historic Places:

a. http://www.nps.gov/history/nr/about.htm

6. National Park Service Technical Preservation Services for Historic Buildings:

a. http://www.nps.gov/history/hps/tps/

7. Historic Preservation site of the U.S. Army Corps of Engineers’ Center of Expertise (CX) for Preservation of Historic Structures and Buildings:

a. http://www.nws.usace.army.mil/PublicMenu/Menu.cfm?sitename=historic&pa gename=mainpage

8. USCE – CX Guide Specifications:

a. http://www.nws.usace.army.mil/PublicMenu/Doc_list.cfm?sitename=historic& pagename=guidespecs

9. General Services Administration (GSA) Technical Procedures:

a. http://w3.gsa.gov/web/p/hptp.nsf?OpenDatabase

10. Whole Building Design Guide’s section on Historic Preservation:

a. http://www.wbdg.org/design/sustainable_hp.php

11. Clem Labine’s Traditional Building:

a. http://www.traditional-building.com/

12. Ian Evan’s World of Old Houses:

a. http://www.oldhouses.com.au/

13. Old House Journal:

a. http://www.oldhousejournal.com/

14. Old House Restoration:

a. http://www.phouka.com/oldhouse/ren_main.html

02050-6

D. Accessibility Links:

1. Architectural Barriers Act:

a. http://www.access-board.gov/about/laws/ABA.htm

2. Rehabilitation Act Amendments of 1973:

a. http://www.access-board.gov/enforcement/Rehab-Act-text/intro.htm

3. 1994 USDA Regulation 7 CFR 15e:

a. http://www.access.gpo.gov/nara/cfr/waisidx_03/7cfr15e_03.html

4. 1994 USDA Regulation 7 CFR 15b:

a. http://www.access.gpo.gov/nara/cfr/waisidx_03/7cfr15b_03.html

5. ADA / ABA Accessibility Guidelines:

a. http://www.access-board.gov/ada-aba/

6. Accessibility Guidebook for Outdoor Recreation and Trails:

a. http://www.fs.fed.us/recreation/programs/accessibility/htmlpubs/htm06232801/ lib_card.htm

7. Forest Service Outdoor Recreation Accessibility Guidelines:

a. http://www.fs.fed.us/recreation/programs/accessibility/

8. ADAAG Accessibility Checklist for Buildings and Facilities:

a. http://www.access-board.gov/adaag/checklist/a16.html

9. UFAS Accessibility Checklist:

a. http://www.access-board.gov/ufas/UFASchecklist.txt

E. Other Links:

1. International Code Council (ICC):

a. http://www.iccsafe.org/Pages/default.aspx

2. National Fire Protection Association (NFPA):

a. http://www.nfpa.org/aboutthecodes/list_of_codes_and_standards.asp?cookie%5 Ftest=1

F. “Green” Links:

1. United States Green Building Council (USGBC):

a. http://www.usgbc.org/

2. Sustainable Operations:

a. http://www.greening.usda.gov/

02050-7

G. United States Environmental Protection Agency (USEPA):

1. http://www.epa.gov/lawsregs/laws/index.html#env

H. Facilities Energy and Water Conservation and Utilities Management (i.e. DR 5500- 001):

1. http://www.ocio.usda.gov/directives/doc/DR5500-001.htm

END OF SECTION

02050-1

SECTION 02050 DEMOLITION

PART ONE – GENERAL

A. This work shall include, but is not necessarily limited to, all labor, materials and equipment required for the complete and satisfactory demolition and removal of all items from the project site as indicated on the drawings and specified herein. This work shall also include the complete and satisfactory demolition of the following items:

1. Saw cutting and removing bituminous paving

2. Log Picnic Shelter floor area and piers

1.02 SUBMITTALS

1.03 RELATED SECTIONS:

A. Division Two – Earthwork

1.04 QUALITY ASSURANCE

A. The contractor shall provide suitable equipment for the demolition work. Equipment shall be in good working condition and shall be operated by individuals who are properly trained and skilled for such equipment.

B. Contractor shall be responsible for obtaining all permits and complying with all pertinent regulations of governmental agencies having jurisdiction.

C. In the event of conflict between or among specified requirements and pertinent regulations, the more stringent requirement will govern when so directed by the Contracting Officer (COR).

1.05 METHOD OF PAYMENT

A. All work under this section is included in the contract lump sum price. No separate payments will be made for this work.

PART TWO – PRODUCTS

NOT USED

PART THREE – EXECUTION

02050-2

3.01 EXAMINATION

A. The Contractor shall thoroughly inspect the premises prior to commencing work. The Contractor shall also determine the extent of work required and the need for temporary shoring and/or permanent structural changes.

B. The Contractor shall comply with Act 53, P.A. of 1974, by notifying the public utilities of the proposed demolition at least 48 hours prior to the commencement of such activities by contacting MISS DIG.

C. It shall be the responsibility of the contractor to determine the exact location of all existing utilities. For those utilities to remain in service, the Contractor shall make temporary and/or permanent relocation, as necessary, to comply with the drawings.

3.02 SALVAGED ITEMS

A. Prior to demolition work/activities, the Contractor shall meet with the Contracting Officer’s Representative to determine and list any items that are to be salvaged for the Forest Service (FS) use. Items not listed as salvage shall be removed from the site as described later in this section.

3.03 PREPARATION

A. Protect all existing structures and utilities that will remain. Any damage to these items shall be repaired at no additional expense to the owner.

B. The Contractor is responsible to place illuminate, post warning signs, and place temporary fencing around any dangerous openings and/or areas as necessary to ensure the safety of the workers, FS staff and campground visitors.

3.04 DEMOLITION

1. Demolition work shall be executed in an orderly and careful manner and shall not involve undue hazards or risks to the workers.

2. Depressions or holes due to demolition in areas to be paved shall be immediately filled with FP-03 based on MDOT 22A gravel, and compacted to 95% density.

B. Bituminous Pavement

1. Demolition and removal of all concrete surfaces, bituminous surfaces, and miscellaneous structures shall be in accordance with USDOT, FHA (FP-03) Standard Specifications, Section 203.04.

2. Contractor shall provide smooth, flat, full depth saw cut edges where cuts are shown on the plans.

3. Contractor shall completely remove all bituminous paving.

3.05 GRADING

02050-3

A. After demolition, all areas shall be brought to a uniform level with the adjoining grades.

3.06 REMOVAL OF SURPLUS MATERIAL

A. Remove all materials, debris and rubbish resulting from the demolition work from the site as soon as practicable. Excess accumulation of materials on site will not be permitted.

B. All material resulting from the demolition work shall become the property of the

Contractor and removed from the site unless otherwise specified. It will be the contractor’s responsibility to locate a suitable site for disposal of debris.

3.07 RESTORATION

A. Surface restoration of all items to remain that are damaged by the Contractor shall include, but are not limited to:

1. Concrete Walks or Slabs: Shall be cut at contraction or expansion joints and replaced with air-entrained, 3500 psi concrete, meeting FP-03 based on MDOT Grade 35S of the same thickness and finished as that which was removed.

2. Gravel Surfaces: Shall be replaced with a 6-inch layer of FP-03 based on MDOT 23-A compacted aggregate.

3. Lawn Areas: Shall be replaced with three inches of topsoil and seeded with a seed mixture which meets Ottawa National Forest specifications. It shall then be fertilized and mulched as specified in Section 02900 or as directed by the COR.

4. Other Areas (Swales, Fields, Woods, etc.): Shall be seeded as specified in the above paragraph, or as detailed on the plan for SESC or Storm water management.

02200 - 1

SECTION 02200 SOIL EROSION AND SEDIMENTATION CONTROL

PART ONE - GENERAL

1.01 DESCRIPTION

A. The contractor shall be responsible to provide soil erosion and sedimentation control measures as required in the approved Soil Erosion and Sedimentation Control (SESC) Plan and in conformance with authorities having jurisdiction (i.e.

State of Michigan, etc.)

1.02 SOIL EROSION AND SEDIMENTATION CONTROL

A. The contractor shall take all precautions necessary to prevent soil erosion in areas that are disturbed by construction. The Contractor is required to ensure that all sedimentation is contained within the construction site and shall prevent any sediment from entering sewers or water courses.

B. The Contractor shall comply with the soil erosion and sedimentation control requirements of Act No. 451 of the Public Acts of 1994, Natural Resource and Environmental Protection Act, Part 91 of the Michigan Compiled Laws.

1.03 STORMWATER DISCHARGE

1. The contractor shall responsible obtaining the stormwater discharge permit and so notifying the FS that the permit has been obtained prior to beginning any work on the project. A stormwater discharge permit is required for all projects that disturb more than 5 acres of soil or are within 500 feet of a lake or stream.

1.04 MONITORING AND ENFORCEMENT

1. Regular inspections and monitoring will be conducted by the Owner. The Contractor shall correct any deficiencies noted by the Owner, Local Enforcement Agency or the MDEQ within 24 hours of receiving written notice that corrections are necessary. If the Contractor failed to make the corrections within the allotted time, the Owner shall have the right to do the work and deduct all costs from the amounts due to the Contractor under this Contract.

1.05 SUBMITTALS

A. Prior to construction the Contractor shall submit a Final SESC Plan to the SESC program coordinator within the MDNR Office of Property Management for approval and Authorization to Proceed with Earth Change.

B. The Final SESC Plan shall include the following items:

02200 - 2

1. The SESC plan included in the contract documents or modifications to the SESC plan as required by specific construction means and methods. All modifications shall adhere to the provisions of this section. There will be no additional compensation for modifications to the plan.

2. Schedule of installation, maintenance and removal of SESC measures.

a. Contractor shall submit a detailed schedule of installation, maintenance and removal dates for all required SESC measures. A schedule form is included at the end of this section.

3. Maintenance procedures for Temporary SESC Measures.

4. Maintenance Procedures for Permanent SESC measures.

a. Contractor will be responsible to maintain these measures until they are permanently established and the soil is stabilized.

1.06 RELATED SPECIFICATIONS

A. Section 02900 ………………… RESTORATION

1.07 METHOD OF PAYMENT

B. Dust Control and sweeping as required by this specification shall be incidental to other items in this contract, and no separate payment shall be made for these items

PART TWO - MATERIALS

2.01 GENERAL

A. All materials required for the SESC measures shall be as specified by the MDMB Soil Erosion and Sedimentation Control Guidebook 2002, and by FP-03 based on Section 916, and Section 917 of the MDOT Standard Specifications for Construction, 2003 Edition.

B. Seed Mulch shall be as specified in Section 02900

PART THREE - EXECUTION

3.01 INSTALLATION AND MAINTENANCE OF CONTROLS

1. All SESC measures shown on the contractors approved plans shall be installed and maintained in accordance with the MDMB Soil Erosion and Sedimentation Control Guidebook 2002, unless otherwise specified or approved by the COR.

02200 - 3

2. All required SESC measures shall be in place as required by the approved SESC plan prior to construction.

3. Daily inspections shall be made by the contractor to determine effectiveness of erosion and sedimentation measures, and any necessary repairs shall be performed without delay.

4. Permanent soil erosion control measures over disturbed land area shall be completed within 5 working days after final grading or final earth change has been completed.

B. Dust Control

1. The SESC Inspector reserves the right to require that dust control be applied as necessary to protect adjacent property and the waters of the state. Dust shall be in accordance with the MDMB Soil Erosion and Sedimentation Control Guidebook 2002.

C. Sweeping

1. The SESC Inspector reserves the right to require sweeping as necessary to protect adjacent property and the waters of the state. Sweeping shall be in accordance with the MDMB Soil Erosion and Sedimentation Control Guidebook 2002.

D. Seeding and Mulching

1. Seeding and mulching shall be in accordance with Section 02900 – Landscaping.

E. Silt Fence

1. Install silt fence as shown in the approved SESC plan and in accordance with the MDMB Soil Erosion and Sedimentation Control Guidebook 2002, unless otherwise shown on the plans or approved by the COR.

F. Rip Rap

1. Install Rip Rap as shown in the approved SESC plan and in accordance with the MDMB Soil Erosion and Sedimentation Control Guidebook 2002, unless otherwise shown on the plans or approved by the COR.

G. Turbidity Curtain

1. Turbidity Curtain shall be in accordance with the MDMB Soil Erosion and Sedimentation Control Guidebook 2002.

3.02 COMPLETION

A. The contract, with regards to SESC, will not be considered complete until the SESC Inspector has certified the following items.

1. All disturbed soil is permanently stabilized.

2. All sewers, ditches, catch basins, and manholes and roadways are cleaned and cleared of sediment. Unless the contractor can document

02200 - 4 positively to what extent these items are silted prior to construction, no credit will be given for cleaning these items.

3. All temporary SESC measures have been removed and the areas are restored and stabilized.

SOIL EROSION AND SEDIMENTATION CONTROL MEASURES

INSTALLATION, MAINTENANCE AND REMOVAL SCHEDULE

SESC MEASURE

INSTALLATION

DATE

REMOVAL DATE MAINTENANCE

FREQUENCY

02230-1

SECTION 02230 SITE CLEARING

PART 1 - GENERAL

1.1 SUMMARY

A. This Section includes the following:

1. Protecting existing trees, shrubs, groundcovers, plants, and grass to remain.

2. Removing existing trees, shrubs, groundcovers, plants and grass.

3. Clearing and grubbing.

4. Stripping and stockpiling topsoil.

5. Removing above- and below-grade site improvements.

6. Disconnecting and capping or sealing site utilities.

1.2 QUALITY ASSURANCE

A. The contractor shall insure that only those trees that are obstructing the work area are removed. Trees beyond the work area shall be protected.

B. Tree removal shall be done using only workmen skilled in this type of work.

1.3 MATERIAL OWNERSHIP

A. Except for stripped topsoil or other materials indicated to remain FS property, cleared materials shall become Contractor's property and shall be removed from Project site.

1.4 PROJECT 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 CO and authorities having jurisdiction.

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

B. Salvageable Improvements: Carefully remove items indicated to be salvaged and store on FS premises where indicated.

C. The contractor shall protect all existing utilities indicated or made known. Call "MISS- DIG" or other service as needed to identify utility locations. Utility line shall be protected by the contractor and replaced at his expense.

02230-2

D. Do not commence site clearing operations until temporary erosion and sedimentation control measures are in place. Requirements for erosion and sedimentation control measures are specified in Division 2, Section “Soil Erosion and Sedimentation Control.”

1.5 METHOD OF PAYMENT

A. All work under this section is included in the contract lump sum price. No separate payments will be made for this work.

PART 2 - PRODUCTS

2.1 SOIL MATERIALS

A. Satisfactory Soil Materials: Requirements for satisfactory soil materials are specified in Division 2, Section “Earthwork.”

1. Obtain approved borrow soil materials off-site when satisfactory soil materials are not available on-site.

PART 3 - EXECUTION

3.1 EXAMINATION

A. The Contractor shall thoroughly inspect the premises prior to commencing work. The Contractor shall also determine the extent of work and the number and size of trees to be removed.

3.2 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

COR.

3.3 TREE PROTECTION

A. Extreme care should be taken to avoid damage to trees including seedlings and saplings. No damage is acceptable to existing trees within the project. (defined as breaking of the bark, broken tops or bending of trees from their natural position). All trees 3” diameter caliper or greater incurring bark damage during construction shall be addressed by the contractor by removing the damaged bark with a neat clean cut to a

02230-3 point on the tree trunk where the bark is undamaged. The repair shall be uniform in appearance and minimize the removal of any bark not damaged. All broken tree limbs shall be neatly trimmed at a branch joint or at the trunk of the tree. All damaged and exposed tree roots over ¼” in diameter shall be neatly trimmed prior to backfill placement. All trimmed and repaired areas are to be treated to protect the tree from disease, etc. Treatments are subject to the approval of the COR.

B. Erect and maintain temporary fencing around tree protection zones before starting site clearing. Remove fence when construction is complete.

C. Do not excavate within tree protection zones, unless otherwise indicated.

D. Repair or replace trees and vegetation indicated to remain that are damaged by construction operations, in a manner approved by Engineer.

3.4 UTILITIES

A. Locate, identify, disconnect, and seal or cap off utilities indicated to be removed.

1. Arrange with utility companies to shut off indicated utilities.

2. Notify COR not less than two days in advance of proposed utility interruptions.

3. Utility lines which have been identified on the plans or on-site and then are damaged or disturbed by the contractor shall be repaired or replaced at no expense to the FS.

3.5 CLEARING AND GRUBBING

A. The contractor shall take care when removing trees to avoid damaging existing structures, roads, utilities, other trees, and FS property. Tree removal shall be done only when all campsites within 100 feet of the work area have been vacated. The contractor shall insure that non-construction employees are kept clear of the removal area at all times.

B. Where trees indicated to be removed cannot be felled without danger to other trees, structures or property, they shall be cut down in sections.

C. Tree roots 1" in diameter and larger shall be removed to the trench depth required for the utility installation. In areas where pavement is to be constructed tree roots shall be removed to at least 12" below the existing ground surface or sub-grade of new graded surface, whichever is lower.

D. 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.

02230-4

3.6 TOPSOIL STRIPPING

A. Strip topsoil to whatever depths are encountered in a manner to prevent intermingling with underlying subsoil or other waste materials.

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

C. DISPOSAL

1. Remove surplus soil material, unsuitable topsoil, obstructions, demolished materials, and waste materials including trash and debris, and legally dispose of them off FS property.

2. All brush, tree branches, roots, and tree stumps shall be removed and disposed of off site. Non-vegetative material shall be removed and disposed of in an approved landfill. Debris will not be allowed to accumulate on the job site.

3. Burning of combustible materials will not be permitted.

END OF SECTION 02230

02274 - 1

SECTION 02274 RIPRAP

A. This work shall consist of constructing a protective covering of riprap, of the type shown on the plans, on a prepared foundation including a geotextile liner.

1.02 SUBMITTALS

A. Geotextile Liner - Submit manufacturers data on material and strength requirements.

B. Stone - Submit certification from stone supplier that Rip Rap meets requirements of FP-03 based on MDOT Standard Specifications for Construction, 2003 ed., Section 916.

1.03 MEASUREMENT AND PAYMENT

A. All work under this section is included in the contract lump sum price. No separate payments will be made for this work.

B. Payment for rip-rap on geotextile shall be paid for at the contract unit price per lump sum.

PART TWO - PRODUCTS

2.01 STONE FOR RIPRAP

A. Stone for riprap shall be sound, tough, durable and meet the FP-03 based on MDOT 2003 Standard Specifications for Construction, Section 916 for plain rip-rap. Pieces shall have a least dimension of 8", except that smaller pieces may be used for filling spaces between the riprap stone. Broken concrete or precast blocks will not be allowed.

2.02 GEOTEXTILE LINER

A. Geotextile liner shall be a non-woven; needle punched geosynthetic material and shall meet Fp-03 based on MDOT 2003 Standard Specifications for Construction, Section 910, Table 910-1 geotextile liner for plain rip-rap.

PART THREE - EXECUTION

3.01 CONSTRUCTION METHODS

02274 - 2

1. The bank on which the riprap and fabric is to be placed shall be graded to a uniform slope as shown on the plans. Rocks, sticks, and other debris which might puncture the geotextile liner shall be removed.

B. Geotextile Liner

1. The geotextile liner material shall be placed in parallel strips along the slope to conform to the sloped bed. Adjacent strips shall overlap at least 24” and according to manufacturers instructions.

2. The geotextile liner material shall be anchored at the bottom of the sloped riprap by placement of the toe stone and approved by the COR prior to the placement of the remainder of the riprap. Adequate precaution shall be taken during placement of the toe stone and the riprap to prevent damage to the geotextile liner material. All sections damaged or displaced geotextile liner material shall be removed and replaced to the satisfaction of the COR.

C. Riprap

1. The riprap shall commence in a trench below the toe of the slope, as shown on the plans, and shall progress upward, with each stone firmly bedded into the slope and preceding stone. The riprap surface shall present an even, tight surface. The thickness of the riprap shall be as shown on the plans, measured perpendicular to the slope. Individual stones shall be laid with their 8 inch minimum dimension perpendicular to the plane of the surface to be rip-rapped.

3.02 QUALITY CONTROL

A. Quality control shall be established and maintained to assure compliance with contract requirements including but not limited to the following:

1. Prepared base is true to line and grade.

2. Geotextile liner material and riprap meet requirements.

3. Geotextile liner material and riprap are installed as specified.

02300-1

SECTION 02300 EARTHWORK

PART 1 - GENERAL

1.1 SUMMARY

A. This Section includes the following:

1. Preparing subgrades for slabs-on-grade, walks, pavements, lawns and grasses.

2. Excavating and backfilling for buildings and structures.

3. Subbase course for concrete walks.

4. Excavating and backfilling for utility trenches.

1.2 DEFINITIONS

A. Backfill: Soil 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. Bedding Course: Course placed over the excavated subgrade in a trench before laying pipe.

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

D. 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 COR. Authorized additional excavation and replacement material will be paid for according to Contract provisions changes in the Work.

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

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

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

G. Subbase Course: Course placed between the subgrade and a cement concrete pavement.

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H. Subgrade: Surface or elevation remaining after completing excavation, or top surface of a fill or backfill immediately below subbase, drainage fill, or topsoil materials.

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

1.3 PROJECT CONDITIONS

1.4 Existing Utilities: Do not interrupt utilities unless permitted in writing by COR and then only after arranging to provide temporary utility services according to requirements indicated.

1.5 METHOD OF PAYMENT

A. All work under this section is included in the contract lump sum price. No separate payments will be made for this work.

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: ASTM D 2487 Soil Classification Groups GW, GP, GM, SW, SP, and SM, 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 D 2487, 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: Granular Material shall meet FP-03 based on MDOT Standard Specification (2003 Edition) Section 902.08 for Class II Material.

E. Bedding Course: Granular Material shall meet FP-03 based on MDOT Standard Specification (2003 Edition) Section 902.08 for Class II Material.

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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 earthwork operations.

B. Preparation of subgrade for earthwork operations including removal of vegetation, topsoil, debris, obstructions, and deleterious materials from ground surface is specified in Division 02 Section "Site Clearing."

C. Protect and maintain erosion and sedimentation controls, which are specified in Division 02 Section “Soil Erosion and Sediment Control” during earthwork operations.

3.2 EXCAVATION

A. Unclassified Excavation: Excavate to subgrade elevations regardless of the character of surface and subsurface conditions encountered. Unclassified excavated materials may include rock, soil materials, and obstructions. No changes in the Contract Sum or the Contract Time will be authorized for rock excavation or removal of obstructions.

1. If excavated materials intended for fill and backfill include unsatisfactory soil materials and rock, replace with satisfactory soil materials.

3.3 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.

3.4 EXCAVATION FOR WALKS AND PAVEMENTS

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

3.5 EXCAVATION FOR UTILITY TRENCHES

A. Excavate trenches to indicated gradients, lines, depths, and elevations.

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B. Excavate trenches to uniform widths to provide the following clearance on each side of pipe or conduit. Excavate trench walls vertically from trench bottom to 12 inches higher than top of pipe or conduit, unless otherwise indicated.

1. Clearance: 12 inches each side of pipe or conduit.

C. Trench Bottoms: Excavate and shape trench bottoms to provide uniform bearing and support of pipes and conduit. Shape subgrade to provide continuous support for bells, joints, and barrels of pipes and for joints, fittings, and bodies of conduits. Remove projecting stones and sharp objects along trench subgrade.

1. Excavate trenches 6 inches deeper than elevation required in rock or other unyielding bearing material, 4 inches deeper elsewhere, to allow for bedding course.

3.6 SUBGRADE INSPECTION

A. Proof-roll subgrade below the building slabs and pavements with heavy pneumatic-tired equipment to identify soft pockets and areas of excess yielding. Do not proof-roll wet or saturated subgrades. (Notify COR 48 hours in advance for inspection)

B. Reconstruct subgrades damaged by freezing temperatures, frost, rain, accumulated water, or construction activities, as directed by COR, without additional compensation.

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 COR.

1. Fill unauthorized excavations under other construction or utility pipe as directed by COR.

3.8 STORAGE OF SOIL MATERIALS

A. Stockpile the 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 UTILITY TRENCH BACKFILL

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

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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 trenches excavated under footings and within 18 inches of bottom of footings with satisfactory soil; fill with concrete to elevation of bottom of footings. Concrete is specified in Division 03 Section "Cast-in-Place Concrete."

D. Place and compact initial backfill material, free of particles larger than 1 inch in any dimension, to a height of 12 inches over the utility pipe or conduit.

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

E. Place and compact final backfill of satisfactory soil to final subgrade elevation.

3.10 SOIL FILL

A. Plow, scarify, bench, or break up sloped surfaces steeper than 1 vertical to 4 horizontal so fill material will bond with existing material.

B. Place and compact fill material in layers to required elevations as follows:

1. Under grass and planted areas, use satisfactory soil material.

2. Under walks and pavements, use satisfactory soil material.

3.11 SOIL MOISTURE CONTROL

A. Uniformly moisten or aerate subgrade and each subsequent fill or backfill soil layer before compaction to within 2 percent of optimum moisture content.

1. Do not place backfill or fill soil material on surfaces that are muddy, frozen, or contain frost or ice.

2. Remove and replace, or scarify and air dry otherwise satisfactory soil material that exceeds optimum moisture content by 2 percent and is too wet to compact to specified dry unit weight.

3.12 COMPACTION OF SOIL BACKFILLS AND FILLS

A. Place backfill and fill soil materials in layers not more than 8 inches in loose depth for material compacted by heavy compaction equipment, and not more than 4 inches in loose depth for material compacted by hand-operated tampers.

B. Place backfill and fill soil materials evenly on all sides of structures to required elevations, and uniformly along the full length of each structure.

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C. Compact soil materials to not less than the following percentages of maximum dry unit weight according to ASTM D 1557:

1. Under structures, building slabs, steps, and pavements, compact top 12 inches of existing subgrade and each layer of backfill or fill soil material at 95 percent.

2. Under walkways, compact top 6 inches below subgrade and each layer of backfill or fill soil material at 92 percent.

3. Under lawn or unpaved areas, compact top 6 inches below subgrade and compact each layer of backfill or fill soil material at 85 percent.

4. For utility trenches, compact each layer of initial and final backfill soil material at 85 percent.

3.13 GRADING

A. General: Uniformly grade areas to a smooth surface, free of irregular surface changes.

Comply with compaction requirements and grade to cross sections, lines, and elevations indicated.

B. Site Grading: Slope grades to direct water away from buildings and to prevent ponding. Finish subgrades to required elevations within the following tolerances:

1. Lawn or Unpaved Areas: Plus or minus 1 inch.

2. Walks: Plus or minus 1 inch.

3. Pavements: Plus or minus 1/2 inch.

C. Grading inside Building Lines: Finish subgrade to a tolerance of 1/2 inch when tested with a 10-foot straightedge.

3.14 SUBBASE AND COURSES

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

B. On prepared subgrade, place subbase course under pavements and walks as follows:

1. Shape subbase course to required crown elevations and cross-slope grades.

2. Compact subbase course at optimum moisture content to required grades, lines, cross sections, and thickness to not less than 95 percent of maximum dry unit weight.

3.15 FIELD QUALITY CONTROL

A. Testing Agency: Contractor will engage a qualified independent geotechnical engineering testing agency to perform field quality-control testing. (Cost is to be included in the base bid.)

B. Footing Subgrade: At footing subgrades, at least one test of each soil stratum will be performed to verify design bearing capacities. Subsequent verification and approval of

02300-7 other footing subgrades may be based on a visual comparison of subgrade with tested subgrade when approved by COR.

C. Testing agency will test compaction of soils in place according to the Nuclear Density Method ASTM D 2922, or other approved method.

D. When testing agency reports that subgrades, fills, or backfills have not achieved degree of compaction specified, scarify and moisten or aerate, or remove and replace soil to depth required; recompact and retest until specified compaction is obtained.

3.16 PROTECTION

A. Protecting Graded Areas: Protect newly graded areas from traffic, freezing, and erosion. Keep free of trash and debris.

B. Repair and reestablish grades to specified tolerances where completed or partially completed surfaces become eroded, rutted, settled, or where they lose compaction due to subsequent construction operations or weather conditions.

C. Where settling occurs before Project correction period elapses, remove finished surfacing, backfill with additional soil material, compact, and reconstruct surfacing.

1. Restore appearance, quality, and condition of finished surfacing to match adjacent work, and eliminate evidence of restoration to greatest extent possible.

3.17 DISPOSAL OF SURPLUS AND WASTE MATERIALS

A. Disposal: Remove surplus satisfactory soil and waste material, including unsatisfactory soil, trash, and debris, and legally dispose of it off FS property.

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SECTION 02332 AGGREGATE BASE COURSE

A. Work included: The work under this Section includes, but is not necessarily limited to, all labor, materials, and equipment necessary to construct an aggregate base coarse of the required depth as indicated on the drawings and specified herein.

1.02 QUALITY ASSURANCE

A. Subgrade:

1. The subgrade shall be inspected and approved by the engineer prior to placing aggregate base. The contractor remains responsible for providing all that is specified whether or not approved by the COR.

B. Materials:

1. All materials used for aggregate base shall be approved by the Architect/Engineer, prior to placement. The contractor remains responsible for providing all that is specified whether or not approved by the COR.

C. Compaction:

1. Field determination of in place density shall be by the Nuclear Density Method, ASTM D-2922, or other approved method.

1.03 MEASUREMENT AND PAYMENT

1. All work under this section is included in the contract lump sum price. No separate

PART TWO - PRODUCTS

2.01 MATERIALS

A. Aggregate Base Material:

1. Shall be FP-03 aggregate based on 22A aggregate as specified in MDOT (2003 Ed.) Standard Specifications, Section 902.

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A. Aggregate Base Coarse

Aggregate base course shall be constructed as specified in FP-03 based on MDOT (2003 Ed.) Standard Specifications, Section 302.

3.02 FIELD QUALITY CONTROL

1) Testing Agency: Contractor will engage a qualified independent geotechnical engineering testing agency to perform field quality-control testing. (Cost is to be included in the base bid.)

2) Testing agency will test compaction of soils in place according to the Nuclear Density Method ASTM D 2922, or other approved method.

3) When testing agency reports that sub-grades, fills, or backfills have not achieved degree of compaction specified, scarify and moisten or aerate, or remove and replace soil to depth required; re-compact and retest until specified compaction is obtained.

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SECTION 02335 AGGREGATE SHOULDERS

A. Work included: The work under this Section includes, but is not necessarily limited to, all labor, materials, and equipment necessary to construct two foot wide aggregate shoulders of the required depth as indicated on the drawings and specified herein.

1.02 METHOD OF PAYMENT

A. Shoulder Material:

1. Shall be FP-03 aggregate based on 22A aggregate as specified in MDOT (2003 Ed.) Standard Specifications, Section 902.

A. Aggregate shoulders shall be constructed as specified in FP-03 based on MDOT (2003 Ed.) Standard Specifications, Section 307.

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SECTION 02741 HMA SURFACE

A. This work shall include all labor materials and equipment necessary to construct a surface of hot plant-mixed bituminous material upon an aggregate base to the lines and grades shown on the drawings and specified herein.

1.02 SUBMITTALS

A. Comply with pertinent provisions of Division One.

B. Contractor shall submit to the COR a mix design for the specified bituminous mixture for approval.

C. Contractor is responsible for providing the specified materials, equipment, and / or construction, regardless of approvals; Any non-specified or un-approved methods or materials installed shall be removed and replaced unless the contractor proves that the installed product meets or exceeds that being specified.

1.03 QUALITY ASSURANCE

1. The contractor shall provide suitable equipment for the paving work. Equipment shall be in good working condition and shall be operated by individuals who are properly trained and skilled for such equipment.

1.04 MEASUREMENT AND PAYMENT

2.01 HMA MIXTURE

A. HMA Mixture No. 13A shall meet the requirements of the FP-03 Section 403 based on MDOT Standard Specification 501 (2003 edition).

B. Bituminous Mixture shall have a penetration grade of 120-150 unless otherwise shown on the plans.

A. Construction methods and equipment requirements shall be in accordance with FP-03 based on MDOT Standard Specification 502(2003 edition).

B. Application rates shall be as follows:

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1. 2” HMA

a. 220#/S.Y. on aggregate base.

2. 3 inch HMA

a. 165#/S.Y. leveling course on aggregate base

b. 165#/S.Y. surface course on HMA leveling coarse.

3. 4 inch HMA

a. 220#/S.Y. leveling course on aggregate base

b. 220#/S.Y. surface course on HMA leveling coarse.

C. Rolling Procedures…No more than 25% of roller drum shall be allowed to extend beyond the edge of bituminous surface in order to prevent feathering and cracking of bituminous edges.

D. Paving shall be done to a string line, if requested by the COR, with the Contractor required to provide the necessary string grade.

3.02 FIELD QUALITY CONTROL

A. Testing Agency: Contractor will engage a qualified independent geotechnical engineering testing agency to perform field quality-control testing. (Cost is to be included in the base bid.)

B. Testing agency will test HMA in place according to the FP-03 based on Nuclear Density Method Section H (pages H-1 through H-22) of the MDOT, Density Control Handbook, or other approved method.

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SECTION 02782 PAVEMENT MARKING

A. This work shall consist of painting four inch wide parking stall stripes, handicapped parking symbols, text and traffic arrows at the locations shown on the plans and as specified herein.

1.02 MEASUREMENT AND PAYMENT

A. PAVEMENT MARKING - All work under this section is included in the contract lump sum price. No separate payments will be made for this work.

2.01 PAINT

A. Acrylic emulsion, yellow, non-reflectorized.

B. Approved manufacturers.

1. No. 476 Zone Marking Paint by Repco Lite…