Appendix C_Technical Specifications.pdf

SECTION 01200

PRICE AND PAYMENT PROCEDURES

PART 1-GENERAL

1.01 SECTION INCLUDES

A. Procedures for preparation and submittal of applications for progress payments.

B. Documentation of changes in Contract Sum and Contract Time.

C. Change procedures.

D. Correlation of Contractor submittals based on changes.

E. Procedures for preparation and submittal of application for final payment.

1.02 SCHEDULE OF VALUES

A. Submit a printed schedule on AIA Form G703 - Application and Certificate for Payment Continuation Sheet. Contractor's standard form or electronic media printout will be considered.

B. The schedule of values shall be the exact same as the schedule of items in this project manual. Section summary totals shall be omitted.

C. Revise schedule to list approved Change Orders, with each Application for Payment.

1.03 APPLICATIONS FOR PROGRESS PAYMENTS

A. Submit no more than one progress payment a month.

B. Present required information in typewritten form or electronic media printout.

C. Utilize the AIA G702 Application and Certificate for Payment and AIA G703 -

Continuation Sheet(s). Approval from the City shall be obtained prior to the submission of any other form utilized besides what is specified herein.

1.04 APPLICATION FOR PROGRESS PAYMENTS-LUMP SUM CONTRACT

A. For each item, provide a column listing each of the following:

1. Item Number.

2. Description of work and authorized change orders.

3. Scheduled Values.

4. Work completed and accepted by the City from previous applications.

5. Work completed and accepted by the City for current period.

6. Materials presently stored (if applicable).

7. Total completed and stored to date of application.

8. Percent of completion.

9. Balance to finish.

10. Retainage.

B. Execute certification by signature of authorized officer.

C. Use data from Schedule of Values. Provide dollar value in each column for each line item for portion of work performed and for stored Products.

D. List each authorized Change Order as a separate line item, listing Change Order number and dollar amount as for an original item of Work.

E. Submit one copy of each Application for Payment.

F. Include the following with the application:

1. Transmittal letter.

2. Construction progress schedule, revised and current.

3. Partial release of liens from major Subcontractors and vendors.

4. Other documents as required.

1.05 APPLICATION FOR PROGRESS PAYMENT-LUMP SUM CONTRACT WITH UNIT

PRICE ITEMS

A. For each item, provide a column listing each of the following:

1. Item Number.

2. Description of work and authorized change orders.

3. Unit of measure.

4. Bid quantity.

5. Unit price.

6. Bid total.

7. Work completed from previous applications.

a. Percentages for Lump Sum items installed and accepted by the City.

b. Quantities for Unit Price items installed and accepted by the City.

8. Work completed for current period.

a. Percentage for Lump Sum items installed and accepted by the City.

9. Total work completed to date.

a. Percentage for Lump Sum items installed and accepted by the City.

10. Total due this month.

11. Total due to date.

B. Execute certification by signature of authorized officer.

C. Use data from Schedule of Values. Provide percentages and/or actual quantities in each column for each line item for portion of work performed.

D. List each authorized Change Order as a separate line item, listing Change Order number and dollar amount as for an original item of Work.

E. Submit one copy of each Application for Payment.

F. Include the following with the application:

1. Transmittal letter.

2. Construction progress schedule, revised and current.

3. Partial release of liens from major Subcontractors and vendors.

4. Other documents as required.

1.06 CONTRACT MODIFICATION PROCEDURES

A. Construction Change Directive.

1. The City Representative may issue a document instructing Contractor to proceed with a change in the Work, for subsequent inclusion in a Change Order.

2. The document will describe changes in the Work, and will designate method of determining any change in Contract Sum or Contract Time.

3. Contractor shall promptly execute the change in Work.

B. Proposal Request.

1. The City Representative may issue a document which includes a detailed description of a proposed change.

2. Document may be accompanied with supplementary or revised Drawings and specifications, a change in Contract Time for executing the change with a stipulation of any overtime work required and the period of time during which the requested price will be considered valid.

3. Contractor shall prepare and submit a fixed price quotation within 10 days.

C. Contractor Request for Change.

1. Contractor may propose a change by submitting a request for change to the City Representative.

2. Request for change shall describe the proposed change and its full effect on the

Work, with a statement describing the reason for the change, and the effect on the Contract Sum and Contract Time with full documentation and a statement describing the effect on Work by separate or other contractors.

3. The Contractor shall not stop work while waiting on approval of the submitted

Request for Change unless written consent is provided by the City Representative.

D. Computation of Change in Contract Amount.

1. For changes requested by the City Representative for work falling under a contract with Unit Price items, the amount will be based on the Contractor’s bid prices.

E. Substantiation of Costs.

1. Contractor shall provide full information required for evaluation.

2. The following data shall be provided:

a. Quantities of materials, labor, and equipment.

b. Taxes, insurance, and bonds.

c. Overhead and profit.

d. Justification for any change in Contract Time.

e. Credit for deletions from Contract, similarly documented.

3. Contractor shall support each claim for additional costs with additional information. The minimum following information shall be included:

a. Origin and date of claim.

b. Dates and times work was performed, and by whom.

c. Time records and wage rates paid.

d. Invoices and receipts for products, equipment, and subcontracts, similarly documented.

F. After execution of Change Order, promptly revise Schedule of Values and Application for Payment forms to record each authorized Change Order as a separate line item and adjust the Contract Sum.

G. Promptly enter changes in Project Record Documents.

1.07 APPLICATION FOR FINAL PAYMENT

A. Prepare Application for Final Payment as specified for progress payments, identifying total adjusted Contract Sum, previous payments and sum remaining due.

B. A separate application for payment shall be submitted for retainage release accompanied by all required close out documents specified in Section 01780.

END OF SECTION 01200

SECTION 01330

SUBMITTAL PROCEDURES

PART 1 – GENERAL

1.01 DEFINITIONS

A. Data: Submittals that provide calculations, descriptions, or documentation regarding the work.

B. Drawings: Submittals which graphically show relationship of various components of the work, schematic diagrams of systems, details of fabrication, layouts of particular elements, connections, and other relational aspects of the work.

C. Instructions: Preprinted material describing installation of a product, system or material, including special notices and material safety data sheets, if any, concerning impedances, hazards, and safety precautions.

D. Schedules: Tabular lists showing location, features, or other pertinent information regarding products, materials, equipment, or components to be used in the work.

E. Statements: A document, required of the Contractor, or through the Contractor, from a supplier, installer, manufacturer, or other lower tier Contractor, the purpose of which is to confirm the quality or orderly progression of a portion of the work by documenting procedures, acceptability of methods or personnel, qualifications, or other verifications of quality.

F. Reports: Reports of inspections or tests, including analysis and interpretation of test results.

G. Certificates: Statement signed by an official authorized to certify on behalf of the manufacturer of a product, system or material, attesting that the product, system or material meets specified requirements. The statement must be dated after the award of the contract, must state the Contractor's name and address, must name the project and location, and must list the specific requirements which are being certified.

H. Samples: Samples, including both fabricated and unfabricated physical examples of materials, products, and units of work as complete units or as portions of units of work.

I. Records: Documentation to record compliance with technical or administrative requirements.

J. Operation and Maintenance Manuals: Data which forms a part of an operation and maintenance manual.

1.02 SUBMITTAL CLASSIFICATION

A. City approval is required for extensions of design, critical materials, deviations, equipment whose compatibility with the entire system must be checked, and other items as designated by the Department of Public Works.

1.03 APPROVED SUBMITTALS

A. The Department of Public Works approval of submittals shall not be construed as a complete check, but will indicate only that the general method of construction, materials, detailing and other information are satisfactory.

B. Approval will not relieve the Contractor of the responsibility for any error that may exist. The Contractor is responsible for dimensions, the design of adequate connections and details, and the satisfactory construction of all work.

C. After submittals have been approved by the Department of Public Works, no resubmittal for the purpose of substituting materials or equipment will be considered unless accompanied by an explanation of why a substitution is necessary.

1.04 DISAPPROVED SUBMITTALS

A. The Contractor shall make all corrections required by the Department of Public Works and promptly furnish a corrected submittal in the form and number of copies specified for the initial submittal.

B. If the Contractor considers any correction indicated on the submittals to constitute a change to the contract, a notice in accordance with the Contract Clause "Changes" shall be given promptly to the Department of Public Works.

1.05 WITHHOLDING OF PAYMENT

A. Payment for materials incorporated in the work will not be made if required approvals have not been obtained.

PART 2 - EXECUTION

2.01 GENERAL

A. The Contractor shall make submittals as required by the specifications or as required by The Department of Public Works in addition to those specified when deemed necessary to adequately describe the work covered in the respective sections.

B. Units of weights and measures used on all submittals shall be the same as those used in the contract drawings. Each submittal shall be complete and in sufficient detail to allow ready determination of compliance with contract requirements.

C. Prior to submittal, all items shall be checked and approved by the Contractor and each item shall be stamped, signed, and dated by the Contractor indicating the action taken.

D. Proposed deviations from the contract requirements shall be clearly identified.

E. Submittals shall include items such as: Contractor's, manufacturer's, or fabricator's drawings; descriptive literature including (but not limited to) catalog cuts, diagrams, operating charts or curves; test reports; test cylinders; samples; O&M manuals (including parts list); certifications; warranties; and other such required submittals.

F. Submittals shall be scheduled and made prior to the acquisition of the material or equipment covered thereby. Samples remaining upon completion of the work shall be picked up and disposed of in accordance with manufacturer's Material Safety Data Sheets (MSDS) and in compliance with existing laws and regulations.

2.02 SCHEDULING

A. Submittals covering component items forming a system or items that are interrelated, shall be scheduled to be coordinated and submitted concurrently. Certifications to be submitted with the pertinent drawings shall be included.

B. A minimum of seven (7) calendar days (exclusive of mailing time) shall be allowed for review and approval. No delay damages or time extensions will be allowed for time lost in late submittals.

2.03 SUBMITTAL PROCEDURE

A. Contractor shall send a minimum of three (3) copies of submittals to the Department of Public Works located at, 1790 Hembree Road, Alpharetta, Georgia 30009. Two (2) copies shall be kept by the Department of Public Works and the remaining copies submitted shall be returned to the Contractor.

B. The Contractor shall set forth in writing the reason for any deviations and annotate such deviations on the submittal. The City reserves the right to rescind inadvertent approval of submittals containing unnoted deviations.

2.04 CONTROL OF SUBMITTALS

A. The Contractor shall carefully control his procurement operations to ensure that each individual submittal is made before the Contractor scheduled date of installing items requiring approval by the City.

2.05 CITY APPROVED SUBMITTALS

A. Upon completion of City review of submittals, the submittals will be identified as having “No Exceptions Taken”, “Make Corrections Noted” or “Reject/Resubmit” by being so stamped and dated. Two (2) copies of the submittal will be retained by the Department of Public Works and the remaining copies of the submittal will be returned to the Contractor.

B. The City reserves the right to require the Contractor to resubmit any item found not to comply with the contract. This does not relieve the Contractor from the obligation to furnish material conforming to the plans and specifications; will not prevent the Department of Public Works from requiring removal and replacement of nonconforming material incorporated in the work; and does not relieve the Contractor of the requirement to furnish samples for testing by the City or for check testing by the City in those instances where the technical specifications so prescribe.

2.06 STAMPS

A. Stamps used by the Contractor on the submittal data to certify that the submittal meets contract requirements shall include the following minimum information:

1. Name of Contractor

2. Approved

3. Approved with corrections as noted on submittal data and/or attached sheets

4. Signature

5. Title of signee

6. Date

END OF SECTION 01330

SECTION 01400

QUALITY CONTROL

1.01 SERVICES

A. Quality control services include inspections, tests, and related actions, including reports performed by the Contractor, independent agencies and by governing authorities. They do not include contract enforcement activities performed by the City.

B Contractor shall be responsible for arranging and obtaining and shall pay all costs in connection with any inspections, test, or approvals required by the Standard Specifications or the Owner's acceptance of materials or equipment to be incorporated in the Work; or acceptance of materials, mix designs, or equipment submitted for approval prior to the Contractor's purchase thereof for incorporation in the Work. Such inspections, tests, or approvals shall be performed by organizations acceptable to the City.

1.02 INSPECTIONS AND TESTING

A. Contractor shall provide inspections and tests specified and required by authorities having jurisdiction. Costs for these services are included in the Contract Sum.

B. The Contractor shall employ and pay a qualified independent testing agency to perform these services. Costs for these services are included in the Contract Sum.

C. The Contractor is responsible for retesting where results of inspections and tests prove unsatisfactory and indicate noncompliance with requirements. The cost of retesting is the Contractor's responsibility where tests performed indicated noncompliance with requirements.

1.03 AUXILIARY SERVICES

A. The Contractor shall cooperate with agencies performing inspections and tests and provide auxiliary services as requested. The Contractor shall notify the agency in advance of operations to permit assignment of personnel. Auxiliary services include the following:

1. Providing access to the Work.

2. Furnishing incidental labor and facilities to assist inspections and tests.

3. Taking adequate quantities of representative samples of materials that require testing or assisting the agency in taking samples.

4. Providing facilities for storage and curing of test samples.

5. Delivering samples to testing laboratories.

6. Providing preliminary design mix proposed for use for materials mixes that require control by the testing agency.

7. Providing security and protection of samples and test equipment.

1.04 TESTING AGENCY RESPONSIBILITIES

A. The testing agency shall cooperate with the City Representative and the Contractor in performing its duties. The agency shall provide qualified personnel to perform inspections and tests.

B. The agency shall notify the City Representative and the Contractor of irregularities or deficiencies observed in the Work during performance of its services.

C. The agency shall communicate the results of their tests to the City Representative and the Contractor either orally or in writing immediately after performance of services prior to leaving the site.

D. The agency shall not release, revoke, alter, or enlarge requirements or approve or accept any portion of the Work.

E. The agency shall not perform duties of the Contractor.

1.05 COORDINATION

A. Coordinate activities to accommodate services with a minimum of delay. Avoid removing and replacing construction to accommodate inspections and tests.

B. The Contractor is responsible for scheduling inspections, tests, taking samples and similar activities.

1.06 SUBMITTALS

A. The testing agency shall submit a certified written report, in duplicate, of each inspection and test to the City Representative.

B. Submit additional copies of each report to the governing authority, when the authority so directs.

C. Reports of each inspection, test, or similar service shall include, but are not limited to, the following:

1. Date of issue.

2. Project title and number.

3. Name, address, and telephone number of testing agency.

4. Dates and locations of samples and tests or inspections.

5. Names of individuals making the inspection or test.

6. Designation of the Work and test method.

7. Identification of product and Specification Section.

8. Complete inspection or test data.

9. Test results and an interpretation of test results.

10. Ambient conditions at the time of sample taking and testing.

11. Comments or professional opinion on whether inspected or tested Work complies with requirements.

12. Name and signature of laboratory inspector.

13. Recommendations on retesting.

1.07 QUALIFICATIONS

A. Engage inspection and testing service agencies that are prequalified as complying with the American Council of Independent Laboratories' "Recommended Requirements for Independent Laboratory Qualification" and that specialize in the types of inspections and tests to be performed.

B. Each agency shall be authorized by authorities having jurisdiction to operate in the state where the Project is located.

PART 2 – EXECUTION

2.01 REPAIR AND PROTECTION

A. Upon completion of inspection, testing, and sample taking, repair damaged construction.

B. Protect construction exposed by or for quality control service activities, and protect repaired construction.

C. Repair and protection are Contractor's responsibility, regardless of the assignment of responsibility for inspection and testing.

END OF SECTION 01400

SECTION 01780

CLOSEOUT DOCUMENTS

1.01 SECTION INCLUDES

A. Project Record Documents.

B. Operation and Maintenance Data.

C. Warranties and bonds.

1.02 SUBMITTALS

A. Project Record Documents

1. Submit documents to City Representative with Retainage Release Application for Payment.

B. Operation and Maintenance Data (Where Applicable)

1. For equipment, or component parts of equipment put into service during construction and operated by the City, submit completed documents within ten days after acceptance.

2. Submit 1 copy of completed documents 15 days prior to final inspection. This copy will be reviewed and returned after final inspection, with City Representative comments. Revise content of all document sets as required prior to final submission.

3. Submit two sets of revised final documents in final form within 10 days after final inspection.

C. Warranties and Bonds

1. For equipment or component parts of equipment put into service during construction with City Representative’s permission, submit documents within ten days after acceptance.

2. Make other submittals within ten days after Date of Substantial Completion, prior to final Application for Payment.

3. For items of Work for which acceptance is delayed beyond Date of Substantial

Completion, submit within ten days after acceptance, listing the date of acceptance as the beginning of the warranty period.

PART 2 PRODUCTS - NOT USED

PART 3 EXECUTION

3.01 PROJECT RECORD DOCUMENTS

A. Maintain on site one set of the following record documents; record actual revisions to the Work:

1. Drawings.

2. Specifications.

3. Addenda.

4. Change Orders and other modifications to the Contract.

5. Reviewed shop drawings, product data, and samples.

6. Manufacturer's instruction for assembly, installation, and adjusting.

B. Ensure entries are complete and accurate, enabling future reference by City

C. Store record documents separate from documents used for construction.

D. Record information concurrent with construction progress.

E. Specifications: Legibly mark and record at each product section description of actual products installed, including the following:

1. Manufacturer's name and product model and number.

2. Product substitutions or alternates utilized.

3. Changes made by Addenda and modifications.

F. Record Drawings and Shop Drawings: Legibly mark each item to record actual construction including:

1. Measured depths of foundations in relation to finish first floor datum.

2. Measured horizontal and vertical locations of underground utilities and appurtenances, referenced to permanent surface improvements.

3. Measured locations of internal utilities and appurtenances concealed in construction, referenced to visible and accessible features of the Work.

4. Field changes of dimension and detail.

5. Details not on original Contract drawings.

3.02 OPERATION AND MAINTENANCE DATA

A. For Each Product or System: List names, addresses and telephone numbers of Subcontractors and suppliers, including local source of supplies and replacement parts.

B. Product Data: Mark each sheet to clearly identify specific products and component parts, and data applicable to installation. Delete inapplicable information.

C. Drawings: Supplement product data to illustrate relations of component parts of equipment and systems, to show control and flow diagrams. Do not use Project Record Documents as maintenance drawings.

D. Typed Text: As required to supplement product data. Provide logical sequence of instructions for each procedure, incorporating manufacturer's instructions.

3.03 OPERATION AND MAINTENANCE DATA FOR MATERIALS AND FINISHES

A. For Each Product, Applied Material, and Finish:

1. Product data, with catalog number, size, composition, and color and texture designations.

B. Instructions for Care and Maintenance: Manufacturer's recommendations for cleaning agents and methods, precautions against detrimental cleaning agents and methods, and recommended schedule for cleaning and maintenance.

C. Moisture protection and weather-exposed products: Include product data listing applicable reference standards, chemical composition, and details of installation.

Provide recommendations for inspections, maintenance, and repair.

D. Provide a listing in Table of Contents for design data, with tabbed fly sheet and space for insertion of data.

3.04 OPERATION AND MAINTENANCE MANUALS

A. Prepare instructions and data by personnel experienced in maintenance and operation of described products.

B. Prepare data in the form of an instructional manual.

C. Binders: Commercial quality, 8-1/2 x 11 inch (216 x 280 mm) three D side ring binders with durable plastic covers; 2 inch (50 mm) maximum ring size. When multiple binders are used, correlate data into related consistent groupings.

D. Cover: Identify each binder with typed or printed title OPERATION AND

MAINTENANCE INSTRUCTIONS; identify title of Project; identify subject matter of contents.

E. Provide tabbed dividers for each separate product and system, with typed description of product and major component parts of equipment.

F. Text: Manufacturer's printed data, or typewritten data on 24 pound paper.

G. Drawings: Provide with reinforced punched binder tab. Bind in with text; fold larger drawings to size of text pages.

H. Arrange content by systems under section numbers and sequence of Table of Contents of this Project Manual.

I. Contents: Prepare a Table of Contents for each volume, with each product or system description identified, in three parts as follows:

1. Part 1: Directory, listing names, addresses, and telephone numbers of City Representative, Contractor, Subcontractors, and major suppliers.

2. Part 2: Operation and maintenance instructions, arranged by system and subdivided by specification section. For each category, identify names, addresses, and telephone numbers of Subcontractors and suppliers. Identify the following:

a. Significant design criteria.

b. List of equipment.

c. Parts list for each component.

d. Operating instructions.

e. Maintenance instructions for equipment and systems.

f. Maintenance instructions for special finishes, including recommended cleaning methods and materials, and special precautions identifying detrimental agents.

3. Part 3: Project documents and certificates, including the following:

a. Shop drawings and product data.

3.05 WARRANTIES AND BONDS

A. Obtain warranties and bonds, executed in duplicate by responsible Subcontractors, suppliers, and manufacturers, within ten days after completion of the applicable item of work. Except for items put into use with City Representative’s permission, leave date of beginning of time of warranty until the Date of Substantial completion is determined.

B. Verify that documents are in proper form, contain full information, and are notarized.

C. Co-execute submittals when required.

D. Retain warranties and bonds until time specified for submittal.

E. Manual: Bind in commercial quality 8-1/2 x 11 inch (216 x 279 mm) three D side ring binders with durable plastic covers.

F. Cover: Identify each binder with typed or printed title WARRANTIES AND BONDS, with title of Project; name, address and telephone number of Contractor and equipment supplier; and name of responsible company principal.

G. Table of Contents: Neatly typed, in the sequence of the Table of Contents of the Project Manual, with each item identified with the number and title of the specification section in which specified, and the name of product or work item.

H. Separate each warranty or bond with index tab sheets keyed to the Table of Contents listing. Provide full information, using separate typed sheets as necessary. List Subcontractor, supplier, and manufacturer, with name, address, and telephone number of responsible principal.

END OF SECTION 01780

SECTION 02220

DEMOLITION

PART 1 - GENERAL

1.01 SCOPE OF WORK

A. This section covers demolition and removal of existing items on site which interfere with proposed construction and protection of existing items to remain. This includes removal of existing structures, foundations, pavements, broken & dumped concrete and construction debris. The Contractor shall coordinate with the City phasing the work to accommodate existing site users.

1.02 TRAFFIC CONTROL

A. The Contractor shall be fully responsible for traffic control on the project.

B. Traffic control shall comply with the Manual for Uniform Traffic Control Devices

(MUTCD), Latest Addition.

C. The Contractor shall submit a traffic control plan to the City of Alpharetta Traffic

Department for approval. The traffic control plan shall detail all lane shifts, lane closures, detours, barrel spacing etc. and shall comply with the Manual for Uniform Traffic Control Devices (MUTCD), Latest Addition.

D. Contractor shall not impact traffic before 9:00 AM and after 4:00 PM.

2.01 UTILITY PROTECTION

A. The Contractor shall comply with the Georgia Utilities Protection Law. Notice must be given to the Utilities Protection Center at 800-811-7411, three (3) working days prior to starting any work.

B. The Contractor shall protect all existing utilities that are not slated for demolition at all times throughout the project. Contractor shall make such explorations and probes as necessary to ascertain any wet sewer lines, water supply lines, live electrical conduits, live phone lines, etc. and shall make sure these utilities can be broken or changed without danger or disruption to any necessary service. De-activate and disconnect all existing utilities before proceeding with the work, except as specified above or otherwise shown on plans.

C. Follow rules and regulations of authorities having jurisdiction for the respective utilities in executing work under this section.

D. Inactive and Abandoned Utilities: Remove, plug or cap. In absence of specified requirements, plug or cap such utility lines as required by local regulations.

2.02 DEMOLITION AND REMOVAL

A. Demolish and remove from site existing structures, foundations, curb & gutter, slabs, walks, paving, steps, and any other item above or below ground that interferes with construction of the project as shown on plans.

B. Materials demolished and items removed shall become the property of the Contractor and shall be removed promptly from the site, except for salvageable items as specified by the City Representative. All demolished material shall be legally disposed of off the Owner’s property. Any cost incurred by the City in cleaning up such materials and debris left behind shall be deducted from funds due the Contractor under this contract.

C. The Contractor shall be responsible for removing any demolition debris or mud from any street, alley or right-of-way resulting from the execution of the demolition work.

Any cost incurred by the City in cleaning up any debris or mud shall be charged to the Contractor and be deducted from funds due to the Contractor.

E. Littering of the site shall not be permitted.

F. All construction equipment used in conjunction with this project shall be in good repair and adequately muffled. The Contractor shall comply with the City’s noise ordinance.

G. The Contractor shall comply with all applicable air pollution control requirements. The

Contractor shall take appropriate actions to minimize atmospheric pollution. The City shall have the authority to require that reasonable precautions be taken to prevent particulate matter from becoming airborne.

H. No fires of any kind will be permitted on site.

I. No material obstructions or debris shall be placed or allowed to accumulate within fifteen feet of any fire hydrant. All fire hydrants shall be accessible at all times.

J. Hazardous Materials: It is not expected that hazardous materials will be encountered in the work. If materials suspected of containing hazardous characteristics are encountered, do not disturb; immediately notify City Representative.

2.03 UTILITY ADJUSTMENTS

A. All existing utilities shown within the construction area shall be removed, adjusted or relocated as needed at the Contractor's expense including valves, meter boxes, pull boxes, etc. Contractor shall be responsible for coordinating (with the appropriate utility provider) the removal, relocation, abandonment, adjustment or modification of all utilities that interfere with construction of the project as shown on plans. The Contractor shall pay for temporary relocation of utilities, which are relocated at the Contractor’s request for his convenience.

2.04 PUBLIC SAFETY

A. The Contractor shall provide all barricades, guards, lights and other installations required to protect persons and property during the work period. This shall be in addition to such protection required elsewhere in this specification.

END OF SECTION 02220

SECTION 02230

CLEARING AND GRUBBING

A. This section covers clearing of vegetation, grubbing of stumps, roots, and debris, stripping of topsoil, disposal of unutilized materials and other incidental work related to preparing the site for later use.

1.02 DEFINITIONS

A. Clearing: Clearing shall consist of the felling, trimming, and cutting of obstructions such as trees into sections and the satisfactory disposal of the trees and other surface vegetation designated for removal, including down timber, snags, brush, and rubbish occurring in the areas to be cleared.

B. Grubbing: Grubbing shall consist of the removal and disposal of below-surface stumps, roots larger than 3 inches in diameter, and matted roots from the designated grubbing areas.

C. Hazardous Material: Substance likely to cause death or injury by reason of being explosive, flammable, poisonous, corrosive, oxidizing, irritating, or otherwise harmful;

and includes, but is not limited to flammable dust, flammable fiber, combustible liquid, dangerous chemical, flammable gas, liquefied flammable gas, and flammable liquid.

D. Topsoil: Natural or cultivated surface-soil layer containing organic matter and sand, silt and clay particles; friable, pervious, and black or a darker shade of brown, gray, or red than underlying subsoil; reasonably free of subsoil, clay lumps, gravel, stones, and other objects more than 1 inch in diameter; and free of subsoil and weeds, roots, toxic materials, and other non-soil materials.

E. Tree Protection Zone: Area surrounding individual trees or groups of trees to be protected during construction.

1.03 PROJECT/SITE CONDITIONS

A. Work Limits: Area to be cleared and grubbed will be the limits of disturbance as shown on the plans.

B. Burning: No burning of any kind shall be permitted.

C. Landscape Preservation: Protect vegetation outside the work limits from injury.

Existing trees and shrubs shall not be disturbed or damaged. Any existing trees and or shrubs that are damaged as a result of construction activities shall be pruned by an ISA Certified Arborist.

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

E. Hazardous Materials: It is not expected that hazardous materials will be encountered in the work. If materials suspected of containing hazardous characteristics are encountered, do not disturb; immediately notify City Representative.

1.04 TRAFFIC CONTROL

(MUTCD), Latest Addition.

C. The Contractor shall submit a traffic control plan to the City of Alpharetta Traffic

Department for approval. The traffic control plan shall detail all lane shifts, lane closures, Control Devices (MUTCD), Latest Addition.

PART 2-EXECUTION

2.01 PROTECTION

A. Prior to clearing and grubbing, locate and clearly flag trees and vegetation to remain or to be relocated. Erect and maintain a temporary fence around trees and vegetation to remain as indicated on the plans. Obtain approval from City Arborist for tree save fence locations prior to installing silt fence.

B. Prior to clearing and grubbing, install erosion control measures as shown on the plans.

Obtain approval from City Representative certified in erosion control inspections that erosion control measures have been installed properly and completely.

C. Protect existing site improvements to remain from damage during construction. Any existing site improvements that are damaged during construction activities shall be restored back to their original condition as acceptable to the City Representative at no additional cost.

D. Roads and Walks: Keep roads and walks free of dirt and debris at all times.

2.02 UTILITY PROTECTION

B. The Contractor shall protect all existing utilities that are indicated to remain from damage at all times throughout the project. Contractor shall make such explorations and probes as necessary to ascertain any wet sewer lines, water supply lines, live electrical conduits, live phone lines, etc. and shall make sure these utilities can be broken or changed without danger or disruption to any necessary service. De-activate and disconnect all existing

C. Notify the City of Alpharetta Public Works Department immediately of damage to an existing utility line or of an encounter with an unknown existing utility line. The Contractor shall be responsible for the repairs of damage to existing utilities. When utility lines which are to be removed are encountered within the area of operations, the Contractor shall notify the City of Alpharetta Public Works Department 72 hours prior to interruption of the service.

D. Follow rules and regulations of authorities having jurisdiction for the respective

E. Inactive and Abandoned Utilities: Remove, plug or cap. In absence of specified

2.03 CLEARING

A. Clear trees, stumps, roots, brush, and other vegetation in areas to be graded; cut off flush with or below the original ground surface, except such trees and vegetation indicated or directed to be left standing. Trees designated to be left standing within the cleared areas shall be trimmed of dead branches 1-1/2 inches or more in diameter and be painted with an approved tree-wound paint. Limbs and branches to be trimmed shall be neatly cut close to the bole of the tree or main branches. Trees and vegetation to be left standing shall be protected from damage incident to clearing, grubbing, and construction operations by the erection of barriers or by such other means as the circumstances require. Clearing shall also include the removal of existing obstructions that are a distance of 5 feet beyond the perimeter of to-be-built structures.

2.04 GRUBBING

A. Requirements: Material to be grubbed, together with logs and other organic or metallic debris not suitable for foundation purposes, shall be removed to a depth of not less than 18 inches below the original surface level of the ground in areas indicated to be grubbed. Depressions made by grubbing shall be filled with suitable material and compacted to make the surface conform with the original adjacent surface of the ground. Debris not suitable for foundation purposes shall be removed.

2.05 STRIPPING OF TOPSOIL

A. Remove sod or grass before stripping topsoil.

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

C. Stockpile topsoil materials on site for re-use where applicable. Any extra topsoil not incorporated into the work shall be removed promptly from the site.

2.06 SALVAGE

A. Salvage and place any items requested by City Representative in a location approved by the City Representative.

2.07 DISPOSAL

A. Material that is not to be salvaged shall be removed promptly from the project site and legally disposed of.

END OF SECTION 02230

SECTION 02310

GRADING

A. This section covers stripping and stockpiling topsoil, grading, hauling, excavating, and backfilling required for site work, temporary grading, ditching and silt control to protect the site and adjoining properties from water and silt damage.

1.02 RELATED DOCUMENTS

A. Drawings and general provisions of Contract, including General and Supplementary Conditions and Division-1 Specification sections, apply to work of this section.

B. The manual for Erosion and Sediment Control in Georgia, Current Edition, as published by the Georgia Soil and Water Conservation Commission, and "Best Management Practices" apply to all land disturbing activities.

1.03 DEFINITIONS

A. Structural Fill: Fill supporting concrete walks, slabs or any other structure and extending for a distance as specified on the plans or a minimum of ten (10) feet on each side of said structure measured at finished grade, thereafter tapering away at a

1:1 slope.

B. Paving Area Fill: Fill supporting any asphalt or concrete paving for parking of cars or trucks, or driveways, and extending for a distance as specified on the plans or a minimum of ten (10) feet on each side of said area measured at the finished grade, thereafter tapering away at a 1:1 slope.

C. General Area Fill: Fill in the general grading area covering banks, hollows, drain ditches, landscaped areas, etc.

D. Rock: Material which cannot be excavated except by drilling, blasting or wedging consisting of un-decomposed stone hard enough to ring under a hammer. The amount of solid stone shall not be less than one (1) cubic yard in volume.

E. Topsoil: Natural or cultivated surface-soil layer containing organic matter, sand, silt and clay particles; friable, pervious, and black or a darker shade of brown, gray, or red than underlying subsoil; reasonably free of subsoil, clay lumps, gravel, stones, and other objects more than 1 inch in diameter; and free of subsoil, weeds, roots, toxic materials, and other non-soil materials.

F. Earth Excavation: All material found below the surface of the ground except active utilities and rock.

G. Suitable Material: Any materials classified by ASTM D 2487 as GW, GP, GM, GP-

GM, GW-GM, GC, GP-GC, GM-GC, SW, SP. Suitable materials for grading shall be comprised of stones less than 8 inches in any dimension, except for fill material for pavements and railroads which shall be comprised of stones less than 3 inches in any dimension.

H. Unsuitable Material: Materials which do not comply with the requirements for suitable materials. Unsuitable materials also include man-made fills, trash, refuse, backfills from previous construction, and material classified as suitable which contain roots and other organic matter or frozen material.

I. Hazardous Material: Substance likely to cause death or injury by reason of being explosive, flammable, poisonous, corrosive, oxidizing, irritating, or otherwise harmful and includes, but is not limited to flammable dust, flammable fiber, combustible liquid, dangerous chemical, flammable gas, liquefied flammable gas, and flammable liquid.

1.04 SUBMITTALS

A. Submit copies of Geotechnical Testing Reports to City Representative.

B. Submit (2) copies of performance and product data for earthwork devices specified on the plans or as required by the City Representative.

1.05 EXISTING SITE CONDITIONS

A. Existing conditions are shown on the drawings. The Contractor shall visit the site, familiarize himself with actual conditions and verify existing conditions in the field.

Contractor shall notify the City Representative of any field conditions that are inconsistent with the plans.

B. Items of historic or archaeological value discovered during construction operations shall remain the property of the City. Notify the City Representative immediately of any such findings for instruction.

1.06 TRAFFIC CONTROL

(MUTCD), Latest Edition.

C. The Contractor shall submit a traffic control plan to the City of Alpharetta Traffic

Department for approval. The traffic control plan shall detail all lane shifts, lane closures, Control Devices (MUTCD), Latest Edition.

2.01 LAYOUT

A. Layout shall be accomplished by a State of Georgia licensed Land Surveyor or Construction Layout Professional.

B. Establish and maintain stakes as required for drives, parking, walks, and other site improvements.

2.02 EROSION AND SEDIMENT CONTROL

A. Contractor shall strictly adhere to the "Field Manual for Erosion and Sediment Control in Georgia" for required initial erosion, sedimentation, and pollution control measures. Only upon completion of installation of these measures in full and approval is obtained by the City Representative shall the Contractor expand his grading operations to the entire site.

B. The Contractor shall construct all erosion control devices as shown on drawings.

Contractor shall provide daily maintenance to such devices and remove accumulated sediment from traps after each rain event and haul off site.

C. Protect newly graded areas from weather. Settlement or washing that occurs prior to acceptance of work shall be repaired, and grades established to required elevations shall be maintained by the Contractor until the date of substantial completion.

D. Contractor shall be fully responsible for any damage occurring to property above or below the site which is a result of drainage or silt from the site. Contractor shall fully inspect erosion control devices prior to commencing any work and take any precautions in addition to these hereinafter specified which he deems necessary to protect the adjacent property.

E. All areas in which earthwork shall be suspended for more than two (2) weeks shall be grassed with temporary grass.

F. Contractor shall install storm drainage as grading progresses and make additional storm drainage installation possible. Direct swales to drainage structure locations as shown on drawings. Install required temporary sediment traps the same day as storm structures are installed.

2.03 UTILITY PROTECTION

necessary to ascertain any wet sewer lines, water supply lines, live electrical conduits, live phone lines, etc. and shall make sure these utilities can be broken or changed without danger or disruption to any necessary service. De-activate and disconnect all existing

C. Follow rules and regulations of authorities having jurisdiction for the respective

2.04 HAZARDOUS MATERIALS

A. It is not expected that hazardous materials will be encountered in the work. If materials suspected of containing hazardous characteristics are encountered, do not disturb;

immediately notify City Representative.

B. No soil found on site or transported to the site which is contaminated with material containing asbestos, PCB's, radon, gasoline, fuel oil, or other fossil fuels, shall be used for fill, backfill or landscape topsoil.

C. Notify City Representative of any contaminated soil found on site. Any contaminated soil found on site shall be removed and disposed of in a manner approved by the appropriate regulatory agencies.

2.05 SITE PROTECTION

A. The Contractor shall limit his grading and filling operations to within the work areas and shall not disturb the existing terrain or trees outside these lines. Locate storage sheds, temporary office and storage space as approved by the City Representative.

B. The Contractor shall maintain carefully all benchmarks, monuments, property pins and other reference points. If disturbed or destroyed, replace as directed at no additional cost to the Owner. If found at variance with the drawings, notify the City Representative.

Replacement of benchmarks, monuments, property pins and other reference points shall be accomplished by a State of Georgia licensed Land Surveyor.

C. Fill material placed against drainage structures or back-filled around utility pipes shall be placed and compacted by methods which will not cause any damage. Any damage, which does occur shall be repaired or replaced by the Contractor at no additional cost to the Owner.

D. All existing curbs, sidewalks, buildings, utilities, and paving damaged in performance of this work shall be restored at no additional cost to the Owner.

E. Any settlement or washing that occurs to graded areas prior to acceptance of the work shall be repaired and grades re-established to the required elevations and slopes. Fill to required subgrade levels any areas where settlement occurs.

F. All work shall be performed in accordance with applicable codes and ordinances and requirements of the local issuing authority.

G. The Contractor shall provide effective drainage for the entire site at all times.

Watersheds shall be diverted by ditching or embankment to prevent encroachment of surface water into excavations. No impoundment of water will be permitted except as provided; pools, puddles, or inundated excavations shall be drained immediately. The Contractor shall be fully responsible for all water damage to the site and to the installed work.

2.06 DEWATERING

A. All excavations shall be kept free of water at all times. All mud caused by standing water must be completely removed from any excavation before the placing of any permanent material. Where necessary, the water table shall be maintained during construction by the use of pumps and ditches at a level two (2) feet below the deepest excavation. No excavation shall be made to full depth when freezing temperature may be expected.

Protect excavation bottom from frost if placing of concrete or gravel is delayed.

B. Contractor shall prevent surface water and subsurface or groundwater from flowing into excavations and from flooding project site and surrounding area.

C. Contractor shall not allow water to accumulate in excavations. Remove water to prevent softening of foundation bottoms, undercutting footings, and soil changes detrimental to stability of subgrades and foundations. Provide and maintain pumps, well points, sumps, suction and discharge lines, and other dewatering system components necessary to convey water away from excavations.

D. Contractor shall protect structures, utilities, sidewalks, pavements and other facilities from damage caused by settlement, lateral movement, undermining, washout and other hazards created by dewatering operations.

E. Contractor shall provide temporary erosion and sedimentation controls during dewatering operations.

F. Contractor shall establish and maintain temporary drainage ditches and other diversions outside excavation limits upon the City Representative’s approval to convey rainwater and water removed from excavations to collecting or run-off areas. Do not use trench excavations as temporary drainage ditches.

2.07 TOPSOIL

A. After all demolition, clearing and disposal is completed, the Contractor shall strip from the top of the existing ground all topsoil in all areas to be graded. Stockpile topsoil in designated or approved locations with proper drainage where it will not interfere with the work.

B. At completion of job, topsoil shall be distributed with a minimum depth of four (4) inches to all disturbed or re-graded areas except pavement areas, parking lots, drives and walks at the direction of the City Representative. Ground shall be scarified before placing topsoil.

2.08 GRADING

A. The Contractor shall be responsible for their own earthwork calculations and quantity take-offs.