30472_0001 _ Technical Specifications.pdf

TECHNICAL SPECIFICATIONS

FOR

COLLEGE OF COASTAL GEORGIA

FINE ARTS CONNECTOR ROAD

PREPARED FOR:

COLLEGE OF COASTAL GEORGIA

J – CCGA 2430 (30472.0001)

MAY 2024

thomasandhutton.com

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TABLE OF CONTENTS

TECHNICAL PROVISIONS PAGE NUMBERS

02070 Selective Demolition 02070–1 – 02070–4

02110 Site Clearing 02110–1 – 02110–4

02111 Site Preparation 02111–1 – 02111–2

02115 Specimen Tree Protection 02115–1 – 02115–3

02204 Earthwork 02204–1 – 02204–6

02210 Soil Erosion Control 02210–1 – 02210–6

02211GA Erosion, Sedimentation, and Pollution Control (GA) 02211–1 – 02211–15

02231 Aggregate Base Course 02231–1 – 02231–7

02275 Rip–Rap 02275–1 – 02275–3

02511 Asphaltic Concrete Base Course 02511–1 – 02511–5

02512GA Asphaltic Concrete Binder/Surface Courses (Georgia) 02512GA–1 – 02512GA–6

02570 Traffic Control 02570–1 – 02570–3

02575 Surface Restoration 02575–1 – 02575–9

02577 Traffic Striping 02577–1 – 02577–4

02580 Thermoplastic Pavement Markings Extruded or Hot Spray

Application 02580–1 – 02580–6

02720 Storm Drainage 02720–1 – 02720–15

02890 Traffic Signs 02890–1 – 02890–3

02900 Landscaping 02900–1 – 02900–7

02902 Grassing 02902–1 – 02902–8

03305 Site Concrete 03305–1 – 03305–11

* All work shall be performed in compliance with the specifications of Brunswick-Glynn Joint Water and

Sewer Commission (BGJWSC). BGJWSC specifications are included in the BGJWSC Standards for Water and

Sewer Design and Construction, current edition, located on BGJWSC’s website www.BGJWSC.org.

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INDEX TO

SECTION 02070 – SELECTIVE DEMOLITION

Paragraph Title Page

PART 1 – GENERAL

1.1 Related Documents 02070–1

1.2 Description of Work 02070–1

1.3 Submittals 02070–1

1.4 Job Conditions 02070–1

1.5 Damages 02070–1

1.6 Traffic 02070–1

1.7 Explosives 02070–2

1.8 Utility Services 02070–2

1.9 Environmental Controls 02070–2

1.10 Measurement and Payment 02070–2

PART 2 – PRODUCTS

None this Section

PART 3 – EXECUTION

3.1 Preparation 02070–2

3.2 Demolition 02070–3

3.3 Salvage Materials 02070–3

3.4 Disposal of Demolished Materials 02070–3

3.5 Clean–up and Repair 02070–3

02070–1

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SECTION 02070

SELECTIVE DEMOLITION

PART 1 – GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of Contract, including General and Supplementary Conditions apply to work of this section.

1.2 DESCRIPTION OF WORK

A. Extent of selective demolition work is indicated on drawings.

1.3 SUBMITTALS

A. Schedule: Submit schedule indicating proposed methods and sequence of operations for selective demolition work to Owner's representative for review prior to commencement of work. Include coordination for shut–off, capping, and continuation of utility services as required, together with details for dust and noise control protection. Include schedule and location for return of items identified on plans to be delivered to Owner of property.

1.4 JOB CONDITIONS

A. Condition of Structures: Owner assumes no responsibility for actual condition of items to be demolished.

B. Partial Demolition and Removal: Items indicated to be removed but of value to

Contractor may be removed as work progresses. Transport salvaged items from site as they are removed.

Storage or sale of removed items on site will not be permitted.

C. Protections: Provide temporary barricades and other forms of protection as required to protect Owner's personnel and general public from injury due to selective demolition work.

Protect from damage existing finish work to remain in place and becomes exposed during demolition operations. Remove protections at completion of work.

1.5 DAMAGES

A. Promptly repair damages caused to adjacent facilities by demolition work at no cost to Owner.

1.6 TRAFFIC

A. Conduct selective demolition operations and debris removal in a manner to ensure minimum interference with roads, streets, walks, and other adjacent occupied or used facilities.

02070–2

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Do not close, block or otherwise obstruct streets, walks, or other occupied or used facilities without written permission from authorities having jurisdiction. Provide alternate routes around closed or obstructed traffic ways.

1.7 EXPLOSIVES

A. Use of explosives will not be permitted.

1.8 UTILITY SERVICES

A. Maintain existing utilities indicated to remain, keep in service, and protect against damage during demolition operations.

Do not interrupt existing utilities serving occupied or used facilities, except when authorized in writing by authorities having jurisdiction. Provide temporary services during interruptions to existing utilities, as acceptable to governing authorities.

1.9 ENVIRONMENTAL CONTROLS

A. Use water sprinkling, temporary enclosures, and other suitable methods to limit dust and dirt rising and scattering in air to lowest practical level. Comply with governing regulations pertaining to environmental protection.

Do not use water when it may create hazardous or objectionable conditions such as ice, flooding, and pollution.

1.10 MEASUREMENT AND PAYMENT

A. There will be no measurement for selective demolition. Payment will be made at the contract lump sum price. Payment will include equipment, labor, materials, protection, clean–up, disposal, and all work necessary to complete the selective demolition shown on the construction drawings.

None in this section

3.1 PREPARATION

A. Prior to commencement of selective demolition work, check areas in which work will be performed. Photograph or video existing conditions of surfaces, equipment, or surrounding properties that could be misconstrued as damage resulting from selective demolition work. File with Owner's representative prior to starting work.

B. Cover and protect equipment and fixtures to remain from soiling or damage when demolition work is performed in areas from which such items have not been removed.

02070–3

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3.2 DEMOLITION

A. Perform selective demolition work in a systematic manner. Use such methods as required to complete work indicated on drawings in accordance with demolition schedule and governing regulations.

Demolish concrete in small sections. Cut concrete at junctures with construction to remain using power–driven masonry saw or hand tools. Do not use power–driven impact tools.

Completely fill below–grade areas and voids resulting from demolition work. Provide fill consisting of approved earth, gravel and sand, free of trash and debris, stones over 2" diameter, roots or other organic matter.

If unanticipated mechanical, electrical, or structural elements, which conflict with intended function or design, are encountered, investigate and measure both nature and extent of the conflict. Submit report to Owner's representative in written, accurate detail. Pending receipt of directive from Owner's representative, rearrange selective demolition schedule as necessary to continue overall job progress without delay.

3.3 SALVAGE MATERIALS

A. All equipment and materials desired by Owner shall be delivered to a designated location, not further than 2 miles from the job site. Desired equipment may include, but not be limited to, generator, transfer switch, pumps, motors, controls, valves, electrical panels, and other items.

Any articles of historic significance will remain the property of the Owner. Notify Owner’s representative if such items are encountered and obtain acceptance regarding method of removal and salvage for Owner.

3.4 DISPOSAL OF DEMOLISHED MATERIALS

A. Remove debris, rubbish and other materials resulting from demolition operations from site. Transport and legally dispose of materials off site.

If hazardous materials are encountered during demolition operations, comply with applicable regulations, laws, and ordinances concerning removal, handling, and protection against exposure or environmental pollution.

Burning of removed materials is not permitted on project site.

3.5 CLEAN–UP AND REPAIR

A. Upon completion of demolition work, remove tools, equipment and demolished materials from site. Remove protections and leave site clean.

Repair demolition performed in excess of required work. Return structures and surfaces to remain to the condition existing prior to commencement of selective

02070–4

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Fill in all voids created by selective demolition and grade site to drain. Grass all disturbed areas for erosion control.

END OF SECTION

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SECTION 02110 – SITE CLEARING

Paragraph Title Page

1.1 Section Includes 02110–1

1.2 Related Sections 02110–1

1.3 Measurement and Payment 02110–1

1.4 Regulatory Requirements 02110–1

2.1 Materials 02110–1

3.1 Preparation 02110–1

3.2 Protection 02110–2

3.3 Clearing 02110–3

3.4 Removal 02110–3

3.5 Disposal 02110–3

3.6 Grubbing 02110–4

02110–1

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SECTION 02110

SITE CLEARING

1.1 SECTION INCLUDES

A. Removal of surface debris.

B. Removal of paving and curbs.

C. Removal of trees, shrubs, and other plant life.

D. Topsoil excavation.

1.2 RELATED SECTIONS

A. Section 02204 – Earthwork.

1.3 MEASUREMENT AND PAYMENT

A. Site Clearing: Clearing, grubbing and other items to be removed will be included in the lump sum price in the proposal for clearing work. Includes clearing site, removing stumps, loading and removing waste materials from site.

1.4 REGULATORY REQUIREMENTS

A. Conform to applicable code for environmental requirements, disposal of debris, and burning debris on site.

B. Coordinate clearing Work with utility companies.

2.1 MATERIALS

A. Provide tree protection materials as detailed on the construction drawings.

3.1 PREPARATION

A. Verify existing plant life designated to remain is tagged or identified.

B. Identify a waste area for placing removed materials.

02110–2

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3.2 PROTECTION

A. All trees on site will be saved except those marked specifically by the Owner’s representative for removal during construction. No trees, including those marked for removal on site or any other tree, may be removed prior to the preconstruction conference. All trees not to be removed will be protected from injury to their roots and to their top to a distance three feet beyond the drip–line and no grading, trenching, pruning, or storage of materials may go in this area except as provided by an Owner’s representative stakeout. Contractor will pay a penalty for any tree removed from the site that has not been marked specifically for removal. Contractor also will pay for any tree that dies due to damage during construction. This applies to all trees on site whether or not they are shown on the plans.

B. Contractor shall not be held accountable for damages to trees resulting from placement of fill or removal of soils where such action is required by the contract documents. Any tree, the trunk of which is within 10 feet of any footing or trench, shall be exempt from these penalties except Contractor shall exercise all reasonable precautions to preserve even these trees. Contractor agrees to pay fines as established below in the event he or any of his subcontractors causes loss or removal of trees designated to be saved under provisions of this contract.

The fines are as follows:

Caliper Fine

1" – 2" $ 150.00 2" – 3" 200.00 3" – 4" 250.00 4" – 5" 400.00 5” – 6" 500.00 6” – 7" 600.00 7” – 8" 750.00 8” – 11" 1,500.00

12" – 20" 2,000.00 21" & larger $ 2,500.00

C. Trees shall be graded by Owner’s representative as to variety, condition, and site importance, with above figures acting as a maximum fine. Lowest assessment amount shall be no less than one–half of the above fine figures.

D. Protect benchmarks, survey control points, and existing structures from damage or displacement.

E. Protect all remaining utilities.

F. Clearing operations shall be conducted to prevent damage by falling trees to trees left standing, to existing structures and installations, and to those under construction, and to provide for the safety of employees and others.

02110–3

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3.3 CLEARING

A. Clear areas required for access to site and execution of work. Clearing shall consist of felling and cutting trees into sections, and satisfactory disposal of trees and other vegetation designated for removal, including downed timber, snags, brush, and rubbish occurring within area to be cleared. Trees, stumps, roots, brush, and other vegetation in areas to be cleared shall be burned or removed completely from the site, except such trees and vegetation as may be indicated or directed to be left standing. Trees designated to be left standing within cleared areas shall be trimmed of dead branches 1–1/2 inch or more in diameter.

Limbs and branches to be trimmed shall be neatly cut close to the trunk of the tree or main branches. Cuts more than 1–1/2 inches in diameter shall be painted with an accepted treewound paint. Trees and vegetation to be left standing shall be protected from damage incident to clearing, grubbing, and construction operations, by the erection of timber barriers or by such other means as circumstances require. Such barriers must be placed and be checked by the OWNER before construction observations can proceed (See 3.2). Clearing shall also include removal and disposal of structures obtruding, encroaching upon, or otherwise obstructing the work.

3.4 REMOVAL

A. Where indicated or directed, trees and stumps shall be removed from areas outside those areas designated for clearing and grubbing. Work shall include felling of such trees and removal of their stumps and roots. Trees shall be disposed of as hereinafter specified.

B. Remove debris, rock, and other extracted plant life from site.

C. Partially remove paving and curbs; as indicated. Neatly saw cut edges at right angle to surface.

3.5 DISPOSAL

A. Disposal of trees, branches, snags, brush, stumps, etc., resulting from clearing and grubbing shall be the Contractor’s responsibility and shall be disposed of by burning, removal from site, or a combination of both. All costs in connection with disposing of materials will be at the Contractor’s expense. Material disposed of by burning shall be burned in a manner avoiding all hazards, such as damage to existing structures, construction in progress, trees, and vegetation. Contractor shall be responsible for compliance with all local and State laws and regulations relative to the building of fires. Disposal by burning shall be kept under constant attendance until fires have burned out or extinguished. All liability of any nature resulting from disposal of cleared and grubbed material shall become the Contractor’s responsibility. Disposal of all materials cleared and grubbed will be in accordance with rules and regulations of the State of Georgia. No material will be burned unless directed to do so by the OWNER. Contractor shall obtain a permit to burn on site from local fire department, before beginning the work.

02110–4

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3.6 GRUBBING

A. Grubbing shall consist of removal and disposal of stumps, roots larger than one inch in diameter, and matted roots from designated grubbing areas. This material, together with logs and other organic or metallic debris not suitable for building of pavement subgrade or building pads, shall be excavated and removed to a depth of not less than 18 inches below original surface level of the ground in embankment areas and not less than 2 feet below finished earth surface in excavated areas. Depressions made by grubbing shall be filled with suitable material and compacted to make the surface conform to original adjacent ground.

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SECTION 02111 – SITE PREPARATION

Paragraph Title Page

PART 1 – GENERAL

1.1 Summary 02111–1

1.2 Related Requirements 02111–1

1.3 Protections 02111–1

Not Used

3.1 Clearing or Removal of Trees and Other Vegetation 02111–2

02111–1

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SECTION 02111

SITE PREPARATION

Paragraph

1.1 SUMMARY

A. Section Includes:

1. Protection or removal of trees and other vegetation.

2. Topsoil stripping.

3. Clearing and grubbing.

4. Erosion control.

1.2 RELATED REQUIREMENTS

A. Construction Drawings

B. Section 02050 – Demolition

1.3 PROTECTIONS

A. Provide protection necessary to prevent damage to existing improvements, trees, or vegetation indicated on the Contract Documents to remain.

B. Protect improvements on adjoining properties and on Owner’s property.

C. Restore damaged improvements to original condition as acceptable to parties having jurisdiction.

D. Conduct operations to ensure minimum interference with roads, streets, walks, and other adjacent occupied or used facilities. Do not close or obstruct streets, walks, or other occupied or used facilities without permission from authorities having jurisdiction and from Owner. Streets and roadways shall be thoroughly cleaned and/or swept on a daily basis or more frequently as required by the governing authority.

E. Provide traffic control as required, in accordance with the U.S. Department of

Transportation “Manual of Uniform Traffic Control Devices” and the state highway department requirements.

F. Provide necessary erosion control measures to prevent siltation of existing pavement or storm drainage facilities to remain.

02111–2

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Not Used

3.1 CLEARING AND REMOVAL OF TREES AND OTHER VEGETATION

A. Unless otherwise indicated on the drawings, remove trees, shrubs, grass, other vegetation, improvements, or obstructions interfering with installation of new construction within the limits of work. Removal includes digging out stumps and roots. Do not remove items elsewhere on site or premises unless specifically indicated.

B. Strip topsoil to whatever depths encountered to prevent intermingling with underlying subsoil or other objectionable material. Cut heavy growths of grass from areas before stripping. Topsoil shall consist of sandy clay surficial soil found in depth of not less than 6 inches. Satisfactory topsoil is reasonably free of subsoil, clay lumps, stones, and other objects over 2 inches in diameter, weeds, roots, and other objectionable material.

C. Stockpile topsoil in storage piles in areas shown or where directed. Construct storage piles to freely drain surface water. Cover storage piles if required to prevent windblown dust. Dispose of unsuitable or excess topsoil same as specified for waste material, unless otherwise specified by Owner.

D. Completely remove stumps, roots, and other debris below proposed subgrade elevation. Fill depressions caused by clearing and grubbing operations with satisfactory soil material unless further excavation or earthwork is required. Place fill material in horizontal layers not exceeding 8–inches loose depth, and thoroughly compacted per fill requirements of this section.

E. Remove existing above grade and below grade improvements and abandoned underground piping or conduit necessary to permit construction and other work.

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SECTION 02115 – SPECIMEN TREE PROTECTION

Paragraph Title Page

PART 1 – GENERAL

1.1 Quality Assurance 02115–1

1.2 Measurement and Payment 02115–1

2.1 Materials 02115–1

3.1 Protection of Specimen Trees 02115–1

3.2 Methods of Protection 02115–1

3.3 Repair of Trees Injured During Construction 02115–2

3.4 Fines 02115–2

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02115–1

SECTION 02115

SPECIMEN TREE PROTECTION

1.1 QUALITY ASSURANCE

A. Contractor shall provide at least one person who shall be present at all times during planting and pruning, thoroughly familiar with types of plants and trees involved and direct the digging, cutting, planting and maintenance of designated plant and tree materials.

Qualifications: Repair of tree damage shall be completed or supervised by a tree surgeon who is a member of the National Arborist Association.

Pre–Work Conference – Review on site with the Owner.

Trees to be removed will be marked with green flagging. Trees to remain will be marked with red flagging. Trees designated as “SPECIMEN” will be marked with yellow flagging.

1.2 MEASUREMENT AND PAYMENT

A. Payment for protective tree fencing will be at the contract price per linear foot.

Payment shall include the cost of all materials and labor necessary to complete the work as detailed on the construction drawings.

A. Provide tree protection materials as detailed on the construction drawings.

3.1 PROTECTION OF SPECIMEN TREES

A. Any irreparable damage to roots, trunk or bark, or any unauthorized cutting or pruning of limbs to trees designated by the Owner as "specimen" will result in a fine.

This fine shall be levied through the Application for Payment as retainage and shall be used to supplement "specimen" with tree of similar value and/or to perform extensive "state of the art" tree surgery in an attempt to save the tree.

3.2 METHODS OF PROTECTION

A. Use the following method to protect specimen trees. Actual determination of extent and combination of methods shall be determined on site.

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02115–2

B. Temporary Fence Enclosures: Construct protective fencing where indicated on the construction drawings. Protective fencing shall be installed a minimum of three feet beyond the dripline. No grading, trenching, pruning, or storage of materials shall be allowed inside this area.

3.3 REPAIR OF TREES INJURED DURING CONSTRUCTION

A. Repair damaged trees promptly to prevent progressive deterioration caused by damage.

Repair to trees damaged during construction according to standard arborcultural techniques recognized by International Society of Arborculture.

Remove trees damaged beyond satisfactory repair as determined by Owner. Refer to FINES AND MITIGATION in this section for loss of specimen trees.

Temporarily cover roots exposed during construction with wet burlap to prevent roots from drying out. Cover roots with earth as soon as possible.

B. Roots Cut During Construction: Coat roots 1 1/2 inches diameter or larger with antiseptic paint.

3.4 FINES

A. Fine values for designated "SPECIMEN" vegetation shall be determined by the following:

Caliper Fine

1" – 2" $ 150.00 2" – 3" $ 200.00 3" – 4" $ 250.00 4" – 5" $ 400.00 5" – 6" $ 500.00 6" – 7" $ 600.00 7" – 8" $ 750.00 8” – 11" $ 1,500.00

12" – 20" $ 2,000.00 21" & larger $ 2,500.00

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SECTION 02204 – EARTHWORK

1.1 Section Includes 02204–1

1.2 Related Sections 02204–1

1.3 Measurement and Payment 02204–1

1.4 References 02204–2

1.5 Submittals 02204–2

1.6 Quality Assurance 02204–2

1.7 Testing 02204–2

2.1 Materials 02204–3

2.2 Source Quality Control 02204–3

3.1 Topsoil 02204–4

3.2 Excavation 02204–4

3.3 Ground Surface Preparation for Fill 02204–4

3.4 Fill 02204–5

3.5 Finished Grading 02204–5

3.6 Disposal of Waste Material 02204–5

3.7 Protection 02204–5

3.8 Drainage 02204–6

3.9 Field Quality Control 02204–6

3.10 Proof Rolling 02204–6

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02204–1

SECTION 02204

EARTHWORK

A. Grading

B. Excavation

C. Backfilling

D. Compaction

E. Remove and Replace Topsoil

F. Dressing of Shoulders and Banks

G. Stone Drainage Filter

H. Water Control

I. Testing

A. Section 01400 – Quality Control

B. Section 01410 – Testing Services

C. Section 02110 – Site Clearing

1.3 MEASUREMENT AND PAYMENT

A. Grading to subgrades, construction of ditches, dressing of disturbed areas, removing and replacing topsoil, excavating, backfilling and compacting to required elevations, testing, staking, and construction supervision shall be included in the contract lump sum price for “Grading.”

B. Unsuitable Material – Payment will be made on a contract unit price for each cubic yard removed. Payment will include excavation and disposal of unsuitable material.

C. Borrow – Payment will be made on a contract unit price for each cubic yard in place. Payment will include furnishing materials required in excess of suitable materials available on site.

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02204–2

D. Earthwork – All earthwork associated with the installation of bulkheads, headwalls, wingwalls, weir structures, drainage filters, rip–rap, etc. shall not be measured for direct payment. Payment for the earthwork shall be included in the item to which it pertains.

E. Dewatering – No direct payment shall be made for dewatering. Dewatering shall be included in the item to which it pertains.

F. Proof Rolling – Payment will be made at the contract unit price. Payment will include furnishing a loaded truck, truck driver, fuel and rolling the designated areas.

G. Lagoon Excavation – Payment will be made at the contract unit price for each cubic yard of soil excavated. Payment will include excavation, grading banks and underwater slopes to plan grade, disposal of material off site at the Contractor’s expense and all equipment and labor necessary to complete the lagoon.

1.4 REFERENCES (LATEST REVISION)

A. ASTM D 448 – Sizes of Aggregate for Road and Bridge Construction.

B. ASTM D 1557 – Laboratory Compaction Characteristics of Soil Using Modified

Effort.

C. ASTM D 2487 – Classification of Soils for Engineering Purposes (Unified Soil

Classification System).

D. ASTM D 6938 – In–Place Density and Water Content of Soil and Soil–Aggregate by

Nuclear Methods (Shallow Depth).

E. ASTM D 3740 – Minimum Requirements for Agencies Engaged in Testing and/or

Inspection of Soil and Rock as Used in Engineering Design and Construction.

F. ASTM E 329 – Agencies Engaged in Construction Inspection and/or Testing.

1.5 SUBMITTALS

A. Section 01300 – Submittals: Procedures for submittals.

B. Materials Source: Submit gradation analysis, proctor results, and soil classification for all borrow material.

1.6 QUALITY ASSURANCE

A. Perform work in accordance with Federal, State of Georgia, County of Glynn, standards.

1.7 TESTING

A. Laboratory tests for moisture density relationship for fill materials shall be in accordance with ASTM D 1557, (Modified Proctor).

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02204–3

B. In place density tests in accordance with ASTM D 6938.

C. Testing laboratory shall operate in accordance with ASTM D 3740 and E 329 and be acceptable to the Engineer.

D. The testing laboratory and Project Engineer/Project Representative shall be given a minimum of 48 hours notice prior to taking any of the tests.

E. Testing shall be Contractor’s responsibility and performed at Contractor‘s expense by a commercial testing laboratory operating in accordance with subparagraph C above.

F. Test results shall be furnished to the Engineer prior to continuing with associated or subsequent work.

A. Borrow shall consist of sand or sand–clay soils capable of being readily shaped and compacted to the required densities, and shall be reasonably free of roots, trash, rock larger than 2 inches, and other deleterious material.

B. All soils used for structural fills shall have a PI (plastic index) of less than 10, and a

LL (liquid limit) of less than 30. Fill soils shall be dried or wetted to appropriate moisture contents prior to compaction. Additionally, fill soils used for the top 2 feet of fill beneath roads and parking lots shall have no more than 15% passing the # 200 sieve. Fill soils used for house lots shall have no more than 25% passing the # 200 sieve.

C. Contractor shall furnish all borrow material.

D. Contractor shall be responsible for and bear all expenses in developing borrow sources including securing necessary permits, drying the material, haul roads, clearing, grubbing, excavating the pits, placing, compaction and restoration of pits and haul roads to a condition satisfactory to property owners and in compliance with applicable federal, state, and local laws and regulations.

2.2 SOURCE QUALITY CONTROL

A. If tests indicate materials do not meet specified requirements, change material and retest.

B. Provide materials of each type from same source throughout the Work.

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02204–4

3.1 TOPSOIL

A. Contractor shall strip topsoil and stockpile on site at a location determined by the Owner at the Contractor's expense.

B. Topsoil shall be placed to a depth of 4 inches over all disturbed or proposed landscaped areas.

C. Topsoil shall be provided at Contractor’s expense if it is not available from site.

D. Any remaining topsoil will be hauled off site at the Contractors expense.

E. Any remaining topsoil determined by the Owner or Engineer to be useful will be stored on site at a location determined by the Owner at the Contractor’s expense.

F. Do not excavate wet topsoil.

3.2 EXCAVATION

A. Suitable excavation material shall be transported to and placed in fill areas within limits of the work.

B. Unsuitable material encountered in areas to be paved and under building pads, shall be excavated 2 feet below final grade and replaced with suitable material from site or borrow excavations. Contractor shall notify Engineer if more than 2 feet of excavation is needed to replace unsuitable material.

C. Unsuitable and surplus excavation material not required for fill shall be disposed of off site.

D. Proper drainage, including sediment and erosion control, shall be maintained at all times. Methods shall be in accordance with the National Pollutant Discharge Elimination System standards and other local, state, and federal regulations.

E. Unsuitable materials as stated herein are defined as highly plastic clay soils, of the

CH and MH designation, border line soils of the SC–CH description, and organic soils of the OL and OH description based on the Unified Soils Classification System.

Further, any soils for the top two feet of pavement subbase shall have no more than 15% passing the # 200 sieve.

3.3 GROUND SURFACE PREPARATION FOR FILL

A. All vegetation, roots, brush, heavy sods, heavy growth of grass, decayed vegetable matter, rubbish, and other unsuitable material within the areas to be filled shall be stripped and removed prior to beginning the fill operation.

B. Sloped ground surfaces steeper than 1 vertical to 4 horizontal, on which fill is to be placed shall be plowed, stepped, or benched, or broken up as directed, in such a manner where fill material will bond with the existing surface.

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C. Surfaces on which fill is to be placed and compacted shall be wetted or dried as may be required to obtain the specified compaction.

3.4 FILL

A. Shall be placed in successive horizontal layers 8 inches to 12 inches in loose depth for the full width of the cross–section and compacted as required.

3.5 FINISHED GRADING

A. All areas covered by the project including excavated and filled sections and adjacent transition areas shall be smooth graded and free from irregular surface changes.

B. Degree of finish shall be that ordinarily obtainable from either blade–grader or scraper operations, supplemented with hand raking and finishing, except as otherwise specified.

C. Unpaved areas to within 0.1 feet of elevations shown on the drawings provided such deviation does not create low spots that do not drain.

D. Paved Areas – Subgrade to within 0.05 feet of the drawing elevations less the compacted thickness of the base and paving.

E. Building Pads – Subgrade to within 0.05 feet of the drawing elevations less the thickness of the concrete slab.

F. Ditches and lagoon banks shall be finished graded, dressed, and seeded within 14 calendar days of work to reduce erosion and permit adequate drainage.

3.6 DISPOSAL OF WASTE MATERIAL

A. All vegetation, roots, brush, sod, broken pavements, curb and gutter, rubbish, and other unsuitable or surplus material stripped or removed from limits of construction shall be disposed of by the Contractor.

3.7 PROTECTION

A. Graded areas shall be protected from traffic, erosion, settlement, or any washing away occurring from any cause prior to acceptance.

B. Contractor shall be responsible for protection of below grade utilities shown on the drawings or indicated by the Owner at all times during earthwork operations.

C. Repair or re–establishment of graded areas prior to final acceptance shall be at the Contractors expense.

D. Site drainage shall be provided and maintained by Contractor during construction until final acceptance of the project. Drainage may be by supplemental ditching, or pumping if necessary, prior to completion of permanent site drainage.

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3.8 DRAINAGE

A. Contractor shall be responsible for providing surface drainage away from all construction areas. This shall include maintenance of any existing ditches or those constructed in the immediate vicinity of the work. Contractor shall provide proper and effective measures to prevent siltation of wetlands, streams, and ditches on both the Owner’s property, and those properties downstream.

3.9 FIELD QUALITY CONTROL

A. Compaction testing shall be performed in accordance with ASTM D 6938. Where tests indicate the backfill does not meet specified requirements, the backfill shall be reworked or removed and replaced, and then retested at the Contractor’s expense.

B. Unpaved areas – at least 90% of maximum laboratory density within 2% optimum moisture content unless otherwise approved by the Engineer.

C. Paved Areas and Under Structures – top 6 inch layer of subbase to at least 98% of maximum laboratory density within 2% optimum moisture content. Layers below top 6 inches shall be compacted to 95% of maximum laboratory density within 2% optimum moisture content.

D. Rolling and compaction equipment and methods shall be subject to acceptance by the Engineer. Acceptance in no way relieves Contractor of the responsibility to perform in correct and timely means.

E. Number of Tests – Under paved areas, no less than one density test per horizontal layer per 5,000 square feet of subbase shall be made. In unpaved areas, no less than one density test per horizontal layer per 10,000 square feet of fill area shall be made. Under curb and gutter, no less than one density test per every 300 linear feet.

3.10 PROOF ROLLING

A. Shall be required on the subbase of all curb and gutter and paved areas and on the base of all paved areas where designated by the Engineer. Proof rolling shall take place after all underground utilities are installed and backfilled. The operation shall consist of rolling the subbase or base with a fully loaded 10 wheeled dump truck. A full load shall consist of 10 to 12 cubic yards of soil or rock. The dump truck shall be capable of traveling at a speed of two to five miles per hour and be in sound mechanical shape with no exhaust leaks or smoking from burning oil. The Engineer shall determine number of passes and areas rolled.

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SECTION 02210 – SOIL EROSION CONTROL

1.1 Related Documents 02210–1

1.2 Description of Work 02210–1

1.3 Purposes 02210–1

1.4 Quality Assurance 02210–1

1.5 Submittals 02210–2

1.6 Measurement and Payment 02210–2

2.1 Grassing Materials 02210–3

2.2 Hay Bales 02210–3

2.3 Silt Fence 02210–3

2.4 Chemicals for Dust Control 02210–4

2.5 Rip–Rap 02210–4

2.6 Product Review 02210–4

3.1 General 02210–4

3.2 Grassing 02210–4

3.3 Sediment Barriers 02210–4

3.4 Silt Fence 02210–5

3.5 Dust Control 02210–5

3.6 Sediment Basin 02210–5

3.7 Rip–Rap 02210–5

3.8 Construction Exit 02210–5

3.9 Inlet Protection 02210–6

02210–1

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SECTION 02210

SOIL EROSION CONTROL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Special Conditions apply to this section.

1.2 DESCRIPTION OF WORK

A. Extent of soil erosion control work includes all measures necessary to meet the requirements of this section.

Erosion and sediment control measures shall be installed prior to any construction activity.

Soil erosion and sediment control measures shall include all temporary and permanent means of protection and trapping soils of the construction site during land disturbing activity. Activity covered in this contract shall meet standards of NPDES General Permit for the state where work is performed.

1.3 PURPOSES

A. Contractor is to achieve the following goals:

1. Minimize soil exposure by proper timing of grading and construction.

2. Retain existing vegetation whenever feasible.

3. Vegetate and mulch denuded areas as soon as possible.

4. Divert runoff away from denuded areas.

5. Minimize length and steepness of slopes when it is practical.

6. Reduce runoff velocities with sediment barriers or by increasing roughness with stone.

7. Trap sediment on site.

8. Inspect and maintain erosion control measures.

1.4 QUALITY ASSURANCE

A. Manufacturer's Qualifications: Firms regularly engaged in the manufacture of soil erosion control systems products of types and sizes required, whose materials have been in satisfactory use for not less than 5 years.

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B. Codes and Standards: Comply with all applicable Local, State and Federal Standards pertaining to soil erosion control.

Georgia Projects

C. The 24–hour contact for erosion and sedimentation control measures is:

Name: Farmer & Associates – Tom Farmer

Address: 153 Greenville Street Aiken, SC 29801

Email: farmerandassociates@yahoo.com

Phone: 803–645–2112

A. Product Data: Submit manufacturer's technical product data and installation instruction for soil erosion control materials and products.

1.6 MEASUREMENT AND PAYMENT

A. No unit measurements will be made for soil erosion control. Payment will be made at the lump sum price as shown on the bid proposal. The cost of soil erosion control shall include all equipment, labor and materials necessary to comply with the State of Georgia Erosion and Sediment Control Program.

For Georgia EPD Projects

A. Grassing – Payment for permanent or temporary grassing will be made at the contract unit price. Payment shall include all equipment, labor, materials, and maintenance necessary to establish a stand of grass.

B. Silt Fence – Payment will be made at the contract unit price. Payment shall include all equipment, labor, materials, and maintenance necessary to install and keep silt fence functioning properly.

C. Ditch Check – Payment will be made at the contract unit price. Payment shall keep ditch check functioning properly.

D. Rip–Rap – Payment will be made at the contract unit price. Payment shall include all equipment, labor, materials, and maintenance necessary to install rip– rap per the construction drawings.

E. Construction Exit – Payment will be made at the contract unit price. Payment shall include all equipment, labor, materials, and maintenance necessary to install and keep construction exit functioning properly.

mailto:farmerandassociates@yahoo.com

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F. Inlet Protection – Payment will be made at the contract unit price. Payment shall keep inlet protection functioning properly.

G. Dust Control – There will be no separate payment for dust control. Any costs connected thereto shall be a subsidiary responsibility of the Contractor.

2.1 GRASSING MATERIALS

A. Refer to Section 02902 – Grassing.

1. General: All grass seed shall be free from noxious weeds, grade A recent crop, recleaned and treated with appropriate fungicide at time of mixture. Deliver to site in original sealed containers with dealer's guarantee as to year grown, percentage of purity, percentage of germination and date of the test by which percentages of purity and germination were determined. All seed sown shall have a date of test within six months of the date of sowing.

2. Type of Seed: Either Annual Rye or Common Bermuda Grass seed will be used depending on time of year in which seeding is to occur.

3. Mulch: Straw.

4. Fertilizer: Commercial balanced 4–12–12 fertilizer.

2.2 HAY BALES

A. Standard size, densely baled straw or hay, wrapped with synthetic or wire bands (two minimum per bale).

2.3 SILT FENCE

A. Silt fence shall be a woven geotextile fabric sheet. Fabric shall be a synthetic polymer composed of at least 85% by weight propylene, ethylene, amide, ester, or vinylidene chloride, and shall contain stabilizer and/or inhibitors added to the base plastic to make filaments resistant to deterioration due to ultra–violet and/or heat exposure. Fabric should be finished so the filaments will retain their relative position with respect to each other. Fabric shall be free of defects, rips, holes, or flaws.

Fabric shall meet the following requirements:

Woven Fabrics Grab Strength 90 lbs.

Burst Strength 175 PSI UV Resistance 80%

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2.4 CHEMICALS FOR DUST CONTROL

A. Calcium Chloride, Anionic Asphalt Emulsion, latex Emulsion or Resin–in–Water Emulsion may be used for dust control.

2.5 RIP–RAP

A. Shall be hard quarry or field stone of such quality the pieces will not disintegrate on exposure to water, sunlight, or weather. Stone shall range in weight from a minimum of 25 pounds to a maximum of 125 pounds. At least 50 percent of the stone shall weigh more than 60 pounds. The stone shall have a minimum dimension of 12 inches.

2.6 PRODUCT REVIEW

A. Contractor shall provide the Engineer with a complete description of all products before ordering. Engineer will review all products before they are ordered.

3.1 GENERAL

A. All disturbed soil areas except those to support paving shall be graded and protected from erosion by grassing. Disturbed areas must be grassed within 14 days of work ending unless work is to begin again before 21 days. Storm water conveyance systems shall have sediment barriers installed at all entrances, intersections, change in direction and discharge points.

3.2 GRASSING

A. Refer to Section 02902 – Grassing.

3.3 SEDIMENT BARRIERS

A. Hay Bales for Sheet Flow Applications:

1. Excavate a 4 inch deep trench the width of a bale and length of proposed barrier. Barrier should be parallel to the slope. Place barrier 5 to 6 feet away from toe of slope, unless otherwise instructed.

2. Place bales in the trench with their ends tightly abutting. Corner abutment is not acceptable. A tight fit is important to prevent sediment from escaping through spaces between the bales.

3. Backfill the trench with previously excavated soil and compact it. Backfill soil should conform to ground level on downhill side of barrier and should be built up to 4 inches above ground on uphill side of bales.

4. Inspect and repair or replace damaged bales promptly. Remove hay bales when uphill sloped areas have been permanently stabilized.

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B. Hay Bales for Ditch Check Applications:

1. Install hay bales as described for sheet flow with the following exceptions:

a. Place bales in a single row, lengthwise, oriented perpendicular to the flow, and with ends of adjacent bales tightly abutting one another.

b. Extend barrier to such a length so the bottoms of end bales are at a higher elevation than the top of lowest middle bale to assure sediment–laden runoff will flow either through or over barrier but not around it.

3.4 SILT FENCE

A. Silt fence shall be placed at approximate location shown and installed in accordance with the detail on the construction drawings. Contractor shall maintain silt fence as required by state regulations.

3.5 DUST CONTROL

A. Dust raised from vehicular traffic will be controlled by wetting down access road with water or by the use of a deliquescent chemical, such as calcium chloride, if relative humidity is over 30%. Chemicals shall be applied in accordance with manufacturer's recommendations.

B. Contractor shall use all means necessary to control dust on and near the work, or off–site borrow areas when dust is caused by operations during performance of work or if resulting from the condition in which any subcontractor leaves the site.

Contractor shall thoroughly treat all surfaces required to prevent dust from being a nuisance to the public, neighbors, and concurrent performance of work on site.

3.6 SEDIMENT BASIN

A. A sediment basin equal in volume to 3,600 cubic feet per disturbed acre is required. The sediment basin/lagoon adjacent to the outfall for the site shall be constructed and stabilized prior to any additional land disturbed activity.

3.7 RIP–RAP

A. Rip–Rap shall be placed at the locations shown and installed in accordance with the detail on the construction drawings.

3.8 CONSTRUCTION EXIT

A. Construct exit at the location shown per detail on the construction drawings.

Contractor shall maintain construction exit as required by state regulations.

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3.9 INLET PROTECTION

A. Install inlet protection per detail on the construction drawings. Contractor shall maintain inlet protection as required by state regulations until all disturbed surfaces are stabilized.

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SECTION 02211 – EROSION, SEDIMENTATION, AND POLLUTION CONTROL (GA)

1.1 Section Includes 02211–1

1.2 Related Sections 02211–1

1.3 Purposes 02211–1

1.4 Quality Assurance 02211–2

1.5 Submittals 02211–2

1.6 Measurement and Payment 02211–2

2.1 Vegetative Materials 02211–2

2.2 Structural Materials 02211–3

2.3 Chemical Materials 02211–4

3.1 General 02211–4

3.2 On–Site Observation 02211–5

3.3 Vegetative Practices 02211–5

3.4 Structural Measures 02211–6

3.5 Chemical Measures 02211–10

3.6 Monitoring and Reporting 02211–11

3.7 Sampling and Analysis 02211–12

Appendix “A” – Notice of Intent

Appendix “B” – Notice of Termination

Appendix “C” – General Permit No. GAR100001 – Stand Alone

Appendix “D” – Suggested Monitoring and Report Forms

02211GA–1

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SECTION 02211

EROSION, SEDIMENTATION, AND POLLUTION CONTROL (GA)

A. Soil erosion, sediment and pollution control measures shall include all temporary and permanent means of soil protection, trapping soils and containment of pollutants on the construction site during land disturbing activities. Activities covered in this section are regulated by the Manual for Erosion and Sediment Control in Georgia (latest revision) and Georgia’s National Pollutant Discharge Elimination System Permit (NPDES), General Permit No. GAR100001.

B. Reporting

C. Sampling

A. Section 02110 – Site Clearing

B. Section 02204 – Earthwork

C. Section 02667 – Water Distribution System

D. Section 02720 – Storm Drainage

E. Section 02731 – Wastewater Collection System

1.3 PURPOSES

A. The purpose of this section is to achieve the following goals:

1. Minimize soil exposure by proper timing of clearing grading and construction.

2. Retain existing vegetation whenever feasible.

3. Vegetate and mulch disturbed areas as soon as possible.

4. Divert runoff away from disturbed areas.

5. Minimize length and steepness of slopes when it is practical.

6. Reduce runoff velocities with check dams or surface roughing.

7. Trap sediment on site.

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8. Inspect and maintain erosion, sedimentation and pollution control measures.

9. Report on condition of Best Management Practices (BMPs).

10. Sample site run off per Georgia’s NPDES Permit.

1.4 QUALITY ASSURANCE

A. Manufacturer's Qualifications: Firms regularly engaged in manufacture of soil erosion, sedimentation and pollution control systems products of types, materials, and sizes required, whose products have been in satisfactory use in similar service for not less than 5 years.

Codes and Standards: Comply with all applicable Local, State and Federal Standards pertaining to soil erosion, sedimentation and pollution control.

A. Product Data: Submit manufacturer's technical product data and installation instruction for soil erosion, sedimentation and pollution control materials and products.

1.6…