Arlington County Construction Standards and Specifications - 2020.pdf

SEPTEMBER 2020

Arlington County Construction Standards and Specifications

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Arlington County Department of Environmental Services

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Construction Standards and Specifications

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TOC TABLE OF CONTENTS

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ARLINGTON COUNTY CONSTRUCTION STANDARDS AND SPECIFICATIONS

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SECTION SPECIFICATION NAME

GENERAL REQUIREMENTS

00001 Title Page 00010 Table of Contents 01000 General Provisions and Requirements 01310 Project Management and Coordination 01320 Construction Progress Documentation 01330 Submittal Procedures 01400 Quality Requirements 01500 Erosion and Sediment Control and Pollution Prevention 01550 Mobilization 01720 Project As-Built Drawings

SITE WORK

02100 Clearing and Grubbing 02200 Earthwork 02202 Rock Excavation 02210 Riprap 02400 Protection of Excavation 02500 Gravity Sewers and Appurtenances 02505 Storm Sewers and Appurtenances 02510 Sanitary Sewers and Appurtenances 02515 Televised Inspection of Sewers 02550 Water Mains and Appurtenances 02580 Electrical Underground Ducts 02581 Communication Underground Ducts 02600 Bituminous Roadway Pavements 02601 Bituminous Hiking Biking and Jogging Trails 02611 Concrete Walks and Concrete Driveway Entrance 02612 Interlocking Concrete and Brick Pavers 02613 Paver Crosswalk 02619 Permanent Signs 02650 Restoration of Roadway 02750 Curb and Gutters 02780 Permeable Unit Pavers 02795 Pervious Concrete Pavement 02840 Vehicle Delineators 02870 Bicycle Racks 02900 Pavement Markings

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SECTION SPECIFICATION NAME

02952 Trenchless Crossing

CONCRETE

03100 Concrete Formwork Reinforcement and Materials 03400 Precast Concrete

MASONRY

04100 Mortar and Grout 04200 Masonry Units 04300 Stone and Mortared Rubble Masonry

METALS

05500 Structural Steel and Miscellaneous Metal

WOODS AND PLASTICS

06100 Structural Timber and Lumber

THERMAL AND MOISTURE PROTECTON

07100 Waterproofing 07150 Dampproofing

FINISHING

09800 Wood Preservatives 09900 Protective Coating

SPECIAL CONSTRUCTION

13130 Bus Shelters

EXTERIOR IMPROVEMENTS

311300 Tree Protection and Root Pruning 329100 Planting Preparation 329200 Seeding and Sodding 329300 Exterior Plants

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SECTION 01000 GENERAL PROVISIONS AND REQUIREMENTS

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SECTION 01000 - GENERAL PROVISIONS AND REQUIREMENTS

PART 1 - GENERAL

1.1 Purpose of Section

This section outlines the general provisions and requirements common to these standard specifications and details. This section includes conditions, definitions and abbreviations applicable throughout the specifications and details. All references in this section shall apply to the entirety of these Specifications unless, and except as, explicitly modified in specific sections.

1.2 Definitions(GC-A)

Wherever used in these Standards and Specifications, the following terms have the meanings indicated which are applicable to both the singular and plural thereof:

1. The term "Agreement" means the completed and signed Form of Contract Agreement.

2. The term “Award Date” means the date of execution of the Agreement by the Purchasing

Agent.

3. The term “Business Day” shall refer to any day that the County is open for general business.

4. The term “Calendar Day” means any day of twenty‐four hours measured from midnight to the next midnight. Included are weekends and holidays. When the term “Day” is used it shall be assumed to refer to a Calendar Day unless otherwise specified.

5. The term “Change Order” means a written order to the Contractor, signed by the Project Officer and the Contractor, which authorizes a change in the Work, and/or adjustment to the Contract Amount and/or an adjustment to the Time for Completion. A Change Order once signed by all the parties is incorporated into and becomes part of the Contract.

6. The term "Commencement Date" means the date on which the Time for Completion will commence for the Contractor to begin to perform his obligations under the Contract Documents as provided in the Notice to Proceed.

7. The term “Construction Change Directive” means a written order issued by the County directing a change in the Work prior to agreement on adjustment, if any, in the Contract Amount or Contract Time, or both.

8. The term "Contract Documents" means the Agreement and all the documents and Exhibits and/or Attachments identified therein which shall include the Drawings and the Specifications, and all modifications including amendments and subsequent Change Orders thereto properly incorporated in the Contract.

9. The terms "County" and "Contractor" shall mean the respective parties to the Contract.

They shall be treated throughout the Contract Documents as though each were of the singular number and masculine gender. Only one Contractor is recognized as a party to this Contract.

10. The term “Critical Path Method or CPM” means a step‐by‐step project management technique for process planning that defines critical and non‐ critical tasks with the goal of preventing time‐frame problems and process bottlenecks. An activity on the critical path

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cannot be started until its predecessor activity has been completed.is delayed then the entire project is delayed.

11. The term “Delay” means an event or condition that results in a work activity starting or being completed later than originally planned.

12. The term "Drawings" means all drawings pertaining to the Contract, including the Contract Drawings and Construction Notes which show and describe the locations, character, dimensions, and details of the Work to be performed under the contract.

13. The term “Field Order” is a written order to the Contractor, authorized by the Project Officer, which acknowledges a change in the Work that does not adjust the Contract Amount and does not adjust the Time for Completion.

14. The term “Final Acceptance” shall mean the date on which the County issues the final payment for the Work.

15. The term “Final Completion” shall mean the condition when the County agrees that all the Work has been fully completed in accordance with the Contract Documents and is acceptable. The date of the Final Completion of the Work under the Contract is the date on which Final Completion is accomplished.

16. The term “Float” shall represent the amount of time that a task in a project network or sequence can be delayed without causing a delay to: subsequent tasks ("free float") or project completion date ("total float"). Float shall belong to the County and shall be used for the successful completion of the Project within the Time for Completion.

17. The term “Limits of Disturbance (LOD)" shall represent the area within which land disturbing activities take place. Land disturbing activities include all actions that expose bare soil during construction.

18. The term “Limits of Work (LOW)" shall represent the area within which construction activities take place, including but not limited to the Limits of Disturbance area.

19. The term “Notice to Proceed” shall mean a written notice issued by the County to the Contractor stating the Commencement Date. The Notice to Proceed will specify the Time for Completion of the Contract.

20. The term “Project” means the entire proposed construction to be executed as stipulated in the Contract Documents

21. The term "Project Officer" means the County Project Officer assigned by the Director of the County Department responsible for the project, or the Director’s designee. When a designee to act on behalf of the Project Officer is used by the County, the name of the designee and the duties and authority of such designee will be identified in the Contract Documents or in a written notice to the Contractor from the Project Officer responsible for the project. The designee may be a professional architect or engineer or other person employed by the County to perform construction services administration, design services, or project oversight.

22. The term “Punch List” means unfinished items of the construction of the Project, which unfinished items of construction are minor or insubstantial details of construction, mechanical adjustment or decoration remaining to be performed, the non‐completion of which would not materially affect use of the Project, and which are capable of being completed within the time specified for Final Completion after Substantial Completion has been achieved.

23. The term “Request for Information” (RFI) means a request originated by the Contractor requesting clarification or additional information from the Project Officer and/or Architect/Engineer concerning information in the construction documents where the Contractor believes there is insufficient information or a conflict in the documents. RFI’s shall be submitted by the Contractor sufficiently in advance of the Work to provide time for assessment and response without delay of the Work. Reponses to RFI’s shall not be construed as authorization for a Change Order.

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24. The term “Schedule of Values” means a listing of the Contractor’s total contract value by Construction Specifications Institute (CSI) divisions, including Division 1, Contractor’s General Conditions.

25. The term “Site” refers to that portion of the property on which the Work is to be performed or which has otherwise been set aside for use by the Contractor.

26. The terms "Special Conditions" mean the written statements modifying or supplementing the Technical Specifications or General Conditions for requirements or conditions peculiar to the Contract.

27. The term "Specifications" means and shall include the Technical Specifications, the Special Conditions and all written agreements and instructions pertaining to the performance of the Work.

28. When used, the term “Stipulated Price Item” means and includes an item of Work, unanticipated or of unknown quantity at the time of issuance of the solicitation for a Bid and determined to be executed, based on the actual field conditions during the progress of Work under the Contract. The Unit Price for the “Stipulated Price Item”, as identified in the “Stipulated Price Items” section of the Bid Form, is predetermined by the County as the current reasonably workable rate for the Item inclusive of all necessary labor, equipment, materials, overheads (provision and installation), and the contractor’s profit.

29. The term "Subcontractor", shall include only those having a direct contract with the Contractor, and it shall include those who furnish material worked to a special design according to the plans and specifications for this Work but shall not include those who merely furnish material not so worked.

30. The term “Substantial Completion” shall mean the condition when the County agrees that the Work, or a specific portion thereof, is sufficiently complete, in accordance with the Contract Documents, so that it can be utilized by the County for the purposes for which it was intended. The date of Substantial Completion of the Work under the Contract is the milestone date on which Substantial Completion condition is accomplished.

31. The term "Technical Specifications" means that part of the Contract Documents that describe the quality of materials, method of installation, standard of workmanship, and the administrative and procedural requirements for the performance of the Work under the contract.

32. The term “Time for Completion” shall mean the time period set forth in the Agreement.

33. The term "Work" shall mean the services performed under this Contract including, but not limited to, furnishing labor, and furnishing and installing materials and equipment required to complete the Project specified in the Contract Documents.

1.3 Abbreviations

The following is a list of abbreviations used within the technical specifications. The appropriate designation shall refer to the latest edition or update published by that organization:

AASHTO American Association of State Highway and Transportation Officials

ACI American Concrete Institute

AISC American Institute of Steel Construction

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ANSI American National Standard Institute

ASTM American Society for Testing and Materials

AWPA American Wood Preservers Association

AWS American Welding Society

AWWA American Water Works Association

NFPA National Fire Protection Association

NFPA National Forest Products Association

OSHA Occupational Safety and Health Administration

SSPC Steel Structures Painting Council

VDOT Virginia Department of Transportation

WRI Wire Reinforcement Institute

1.4 Technical Terms

Materials or work described in words which, so applied, have a well-known technical or trade meaning shall be construed to refer to the technical or trade meaning.

1.5 Standards, Substitutions (GC-B.12)

A. Any material specified by reference to the number, symbol or title of a specific standard, such as a Commercial Standard, a Federal Specification, a Trade Association Standard, or other similar standard, shall comply with the requirements in the latest revision of the standards or specification and any amendment or supplement, except as limited to type, class or grade, or as modified in such reference. The standard referred to, except as modified in the Specifications, shall have full force and effect as though printed in the Specifications.

B. Reference in the Specifications or on the Drawings to any article, device, product, material, fixture, form or type of construction by name, make or catalog number shall be interpreted as establishing a standard of quality and shall not be construed as eliminating from competition other products of equal or better quality by other approved manufacturers. Otherwise, applications for acceptance of substitutions for the specified items will be considered only upon request of the Contractor, not of individuals, trades or suppliers, and only for a specific purpose;

no blanket acceptance will be granted. No acceptance of a substitution shall be valid unless it is in written form and signed by the Project Officer or designee.

C. If any proposed substitution will affect a correlated function, adjacent construction or the work of other contractors, then the necessary changes and modifications to the affected work shall be

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considered as an essential part of the proposed substitution, to be accomplished by the Contractor without additional expense to the County or an extension of the contract time, if and when accepted. Detail drawings and other information necessary to show and explain the proposed modifications shall be submitted with the request for acceptance of the substitution.

1.6 Applicable Specifications

The following specifications are incorporated into these standards and specifications by reference. Where the provisions of the referenced specifications conflict with this document, this document shall govern.

A. Arlington County Traffic Signal & Streetlight Specifications

B. “Manual on Uniform Traffic Control Devices for Streets and Highways” U.S. Department of Transportation, Federal Highway Administration.

C. The Arlington County Code

D. VDOT Road and Bridge Specifications

1.7 Use of Virginia Department of Transportation Specifications

Virginia Department of Transportation, Road and Bridge Specifications, latest edition, technical specifications only, shall apply and become a part of these specifications whenever these specifications do not adequately cover the work to be done. When VDOT Specifications are applied, the Measurement and Payment sections of those Specifications shall not apply, and Measurement and Payment shall be performed in accordance with the Arlington County Contract. In the event there is a conflict between these specifications and VDOT Specifications these specifications shall govern.

1.8 Infeasibility of Specifications

In the event that the Contractor determines that any aspects of the Specifications are infeasible, the Contractor is obligated to immediately notify the Project Officer of such infeasibility. If the Project Officer agrees that any aspect of the Specifications is in fact rendered infeasible, such determination shall in no way invalidate or otherwise revoke the remainder of the Specifications.

1.9 Inspection of the Work(GC-C.4)

The Project Officer or designee and representatives of any public authority having jurisdiction shall, at all times, have access to the Work while in progress. The Contractor shall provide suitable facilities for such access and for proper observation of the Work and shall conduct all special tests required by the Specifications, the Project Officer or designee's instructions, and any laws, ordinances or the regulations of any public authority applicable to the work. Nothing in this section shall abrogate or otherwise limits or relieves the Contractor’s independent duty to inspect the Work.

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1.10 Site Investigation and Conditions Affecting the Work(GC-E.1)

A. The Contractor acknowledges that it has taken steps reasonably necessary to ascertain the nature and locations of the work of the Contract, and that it has investigated and satisfied itself as to the general and local conditions and factors which can affect the Work or its cost, including but not limited to:

1. conditions bearing upon transportation, disposal, handling, and storage of materials;

2. the availability of labor, water, electric power, and roads;

3. uncertainties of weather, river stages, tides, or similar physical conditions at the site;

4. the information and conditions of the ground; and

5. the character of equipment and facilities needed before and during work performance.

B. The Contractor, by executing the Contract, represents that it has reviewed and understands the Contract Documents and has notified the County of and obtained clarification of any discrepancies which have become apparent during the bidding period. During the Contract, the Contractor must promptly notify the County in writing of any apparent errors, inconsistencies, omissions, ambiguities, construction impracticalities or code violations discovered as a result of the Contractor’s review of the Contract Documents including any differences between actual and indicated dimensions, locations and descriptions, and must give the County timely notice in writing of same and of any corrections, clarifications, additional Drawings or Specifications, or other information required to define the Work in greater detail or to permit the proper progress of the Work. The Contractor must provide similar notice with respect to any variance between its review of the Site and physical data and Site conditions observed. If the Contractor performs any Work involving an apparent error, inconsistency, ambiguity, construction impracticality, omission or code violation in the Contract Documents of which the Contractor is aware, or which could reasonably have been discovered, without prompt written notice to the County and request for correction, clarification or additional information, as appropriate, the Contractor does so at its own risk and expense and all related claims are specifically waived.

C. The Contractor also acknowledges that it has satisfied itself as to the character, quality, and quantity of surface and subsurface materials or obstacles to be encountered insofar as this information is reasonably ascertainable from an inspection of the site, including all exploratory work done by the County, as well as from the Drawings and Specifications made a part of this Contract. Unless otherwise specified, all existing structures, materials and obstructions that interfere with the new construction shall be removed and disposed of as part of this Contract.

Any failure of the Contractor to take the actions described and acknowledged in this paragraph will not relieve the Contractor from responsibility for estimating properly the difficulty and cost of successfully performing the Work without additional expense to the County.

D. The locations of existing utilities, including underground utilities, which may affect the Work, are indicated on the Drawings or in the Specifications insofar as their existence and location were known at the time of preparation of the drawings. However, nothing in these Drawings or Specifications shall be construed as a guarantee that such utilities are in the location indicated or that they actually exist, or that other utilities are not within the area of the operations. The Contractor shall make all necessary investigations to determine the existence and locations of such utilities. Should uncharted or incorrectly charted utilities be encountered during performance of the Work, notify the Project Officer or designee immediately for instructions.

The Contractor will be held responsible for any damage to and maintenance and protection of existing utilities and structures, of both public and private ownership. However, if it is determined that such existing utility lines or structures require relocation or reconstruction or any other work beyond normal protection, then such additional work will be ordered under the

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terms of the clause entitled “Changes in Work.” At all times, cooperate with the County and utility companies to keep utility services and facilities in operation.

E. The County assumes no responsibility for any conclusions or interpretations made by the Contractor based on the information made available by the County. The County assumes no responsibility for any understanding reached or representation made concerning conditions which can affect the Work by any of its officers or agents before the execution of this Contract, unless that understanding or representation is expressly stated in this Contract.

1.11 Work Site Conditions(GC-E.10)

A. The Contractor shall frequently remove and properly dispose of all refuse, rubbish, scrap materials, and debris from the site resulting from the Contractor's operations during the performance of this contract. The Contractor shall ensure the work site presents a neat and orderly appearance at all times. The Contractor shall isolate any and all dumpsters, trash cans and recycling bins provided for the Project from public use until Final Acceptance.

B. Unless otherwise stated, the Contract Amount and any unit prices shall include all costs and fees for removal and disposal of all waste and debris, whether disposed of at a County site or at any other location.

C. The Contractor shall remove all surplus material, false work, temporary structures including foundations thereof, and debris resulting from the Contractor's operations at work completion and before Final Acceptance. The County shall reserve the right to remove the surplus material, false work, temporary structures including foundations and debris. The County will restore the site to a neat, orderly condition if the Contractor fails to do so. The County shall be entitled to offset such cost against any sums owed by the County to the Contractor under this Contract.

1.12 Public Convenience(GC-E.2)

A. The Contractor shall at all times so conduct its Work as to ensure the least possible obstruction to traffic (vehicular, bicycle and pedestrian) and inconvenience to the general public, County employees, and the residents in the vicinity of the Work. Traffic shall be maintained in accordance with the approved MOT plan. No road, street or sidewalk shall be closed to the public except with the permission of the Project Officer or designee and or proper governmental authority. Fire hydrants on or adjacent to the Work shall be kept accessible to firefighting equipment at all times. Temporary provisions shall be made by the Contractor and included in the cost of the Work to ensure the use of sidewalks, trails, and transit facilities compliant with all applicable ADA and other regulations, as well as the proper functioning of all gutters, drainage inlets, drainage ditches, and irrigation ditches, which shall not be obstructed except as approved by the Project Officer or designee.

1.13 Maintenance and Control of Traffic

A. This work shall consist of maintaining and protecting workers, vehicular and pedestrian traffic through areas of construction within the limits of the project and over the approved traffic detours. All work shall be in accordance with the latest Arlington County Construction Standards and Specifications, Virginia Department of Transportation (VDOT) Road and Bridge

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Specifications, the Manual on Uniform Traffic Control Devices (MUTCD), and the Virginia Work Area Protection Manual (WAPM), the standard drawings, and the Contract, as directed by the Project Officer.

B. Work Zone Traffic Control Certification

1. The Contractor shall have at least one (1) employee who is certified by VDOT in Basic

Work Zone Traffic Control; and who shall be responsible for the placement, maintenance and removal of work zone traffic control devices within the project limits in compliance with the permit requirements and conditions, the approved plan, specifications, the Virginia Work Protection Manual and the Manual of Uniform Traffic Control Devices.

An Employee certified by VDOT in the Intermediate Work Zone Traffic control shall be on-site to provide supervision during work zone adjustments or changes to traffic control due to field conditions. This employee shall provide evidence of this certification upon request from Arlington County personnel.

C. Material shall conform to the requirements of the applicable VDOT specification.

1. Signalization, barricades, channelizing devices, safety devices, and pavement markings shall conform to the requirements of Division VII of the latest VDOT specifications and the MUTCD.

2. Temporary pavement markers shall conform to the requirements of VDOT Section 235, Retroreflectors.

3. Construction pavement markings shall conform to the requirements of VDOT Section 231 (Paint), and Section 246 (Pavement Marking)

4. Signs for traffic control during construction, maintenance, permits, utility, and incident management activities shall conform to the requirements of VDOT Section 512.02.

Rollup Work Zone signs shall have standard MUTCD legends orange/black complete with 5/16” vertical rib and 3/16” horizontal rib. Fastened together with two-piece tubular rivet per attached specification or equal.

a. Shall be supported with two 3/8” thick fiberglass ribs for secure attachment, and avoid sign deflection when used with compact stands. Each of the 5 pockets per sign should be tacked and double-stitched directly to the back of the sign for durability.

b. Sign legends shall be printed on outer edge for ready identification when sign has been rolled for storage and transport

5. Portable changeable message signs shall meet the requirements of Section 512.03 subsection q of the VDOT Road and Bridge Specifications.

1.14 Protection of Work and Property

A. The Contractor shall continuously maintain and protect all of its Work from damage and shall protect the County's property from damage or loss arising in connection with this Contract until Substantial Completion. After Substantial Completion, the maintenance or protection of any incomplete or remedial Work identified on the punch list that requires maintenance or protection in order to allow for the final completion and acceptance of such Work shall be the responsibility of the Contractor until Final Completion. The Contractor shall make good any such damage or loss, except such as may be caused by agents or employees of the County.

Failure to adequately protect the Work shall not be grounds for additional compensation for any maintenance and/or repairs to such Work.

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B. The Contractor shall not place upon the Work, or any part thereof, any loads which are not consistent with the design strength of that portion of the Work.

C. The Contractor shall be responsible for the preservation of all public and private property, trees, monuments, etc., along and adjacent to the street and/or right‐of‐way, and shall use every precaution to prevent damage to pipes, conduits and other underground structures, curbs, pavements, etc., except those to be removed or abandoned in place and shall protect carefully from disturbance or damage all monuments and property marks until an authorized agent has witnessed or otherwise referenced their location and shall not remove them until directed. Any damage which occurs by reason of the operations under this Contract, whether shown or not on the approved construction plans, shall be completely repaired or replaced to the County’s satisfaction by the Contractor at the Contractor's expense.

D. Prior to commencing construction activity at the Site, the Contractor shall videotape the Site and an additional fifty (50) feet outside the perimeter of the Site. Contractor shall submit a copy of high resolution digital recording on a DVD or flash drive to the County. The recording shall be stable, continuous, and contain all items within the limits of Work. Submission of the DVD to the County shall be a condition precedent to any obligation of the County to consider an Application for Payment. The DVD shall be the property of the County, and the County shall be permitted to reproduce such DVD’s and use the same for any purpose without limitation or claim of ownership or compensation from any party. Contractor shall incorporate the cost of the preconstruction survey in the bid amount or the unit prices of the bid items, as applicable. No additional payment will be made by the County.

E. The Contractor shall shore, brace, underpin, secure, and protect, as may be necessary, all foundations and other parts of existing structures adjacent to, adjoining, and in the vicinity of the site that may be affected in any way by excavations or other operations connected with the work required under this Contract. The Contractor shall be responsible for giving any and all required notices to owners or occupants of any adjoining or adjacent property or other relevant parties before commencement of any work. Contractor shall provide all engineering (signed and sealed) for items listed in this section per the Specifications. The Contractor shall indemnify and hold the County harmless from any damages on account of settlements or loss of all damages for which the County may become liable in consequence of such injury or damage to adjoining and adjacent structures and their premises.

F. In an emergency affecting the safety of life or of the Work, or of adjoining property, the Contractor, without special instruction or authorization from the Project Officer or designee, or the County, is hereby permitted to act, at the Contractor's discretion, to prevent such threatened loss or injury, and the Contractor shall so act without appeal, if so instructed or authorized.

G. The Contractor shall have a qualified and experienced person who can clearly communicate technical matters regarding the subject project. This person shall be available via phone to respond to emergency situations on the project 24 hours a day.

1.15 Safety and Accident Prevention(GC-E.3)

A. The Contractor shall comply with, and ensure that the Contractor's employees and subcontractors comply with, all current applicable local, state and federal policies, regulations and standards relating to safety and health, including, by way of illustration and not limitation, the U.S. Department of Labor’s Occupational Safety and Hazard Administration (OSHA)

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Construction Industry Regulations, the standards of the Virginia Occupational Safety and Health program of the Department of Labor and Industry for General Industry and for the Construction Industry, the Federal Environmental Protection Agency Standards and the applicable standards of the Virginia Department of Environmental Quality.

B. The Contractor shall provide, or cause to be provided, all technical expertise, qualified personnel, equipment, tools and material to safely accomplish the Work specified to be performed by the Contractor and subcontractor(s).

C. The Contractor shall identify to the County Project Officer at least one on‐site person who is the Contractor's competent, qualified, and authorized safety officer on the worksite and who is, by training or experience, familiar with and trained in policies, regulations and standards applicable to the work being performed. The competent, qualified and authorized person must be capable of identifying existing and predictable hazards in the surroundings or working conditions which are unsanitary, hazardous or dangerous to employees, shall be capable of ensuring that applicable safety regulations are complied with, and shall have the authority and responsibility to take prompt corrective measures, which may include removal of the Contractor's personnel from the work site.

D. The Contractor shall provide to the County, within 7 days of issuance of the Notice to Proceed, a copy of the Contractor's written safety policies and safety procedures applicable to the scope of work. Failure to provide this information within may result in cancellation of the Contract.

E. The Contractor shall exercise proper precaution at all times for the protection of persons and property and shall be responsible for all injury to persons and damage to property either on or off the site, which occur as a result of the Contractor's prosecution of the Work.

F. The Contractor shall take or cause to be taken such additional safety and health measures as the County may determine to be reasonably necessary. Machinery, equipment, and all hazards shall be guarded in accordance with the safety provisions of the current version of "Manual of Accident Prevention" published by the Associated General Contractors of America, Inc., to the extent that such provisions are not in conflict with applicable local laws. The Contractor is directed to the "Rules and Regulations Governing Construction, Demolition and All Excavation" and adopted by the Safety Codes Commission of Virginia, 1966, or latest edition, covering requirements for shoring, bracing, and sheet piling of trench excavations.

1.16 Permission to Work on Highways and Across Utilities(GC-E.7)

A. When construction crosses highways, railroads, streets, waterways, or utilities under the jurisdiction of State, County, City, or other public agency, public utility, or private entity, the Contractor shall secure written permission where necessary from the proper authority before executing such new construction. A copy of such written permission must be filed with the County before any work is started. The Contractor shall be required to furnish a release from the proper authority before Final Acceptance of the Work.

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1.17 Adjacent Work(GC-C.14)

A. In case of a dispute arising between two or more separate contractors engaged on adjacent work as to the respective rights of each under their respective contracts, the Project Officer shall determine the rights of the parties

1.18 Connecting Work(GC-D.9)

A. The Contractor shall do all cutting, patching, or digging of the Contractor's work that may be required to make its several parts come together properly and fit it to receive or be received by work of other contractors as shown upon or reasonably implied by the Drawings and Specifications for the completed Project and shall make good after them as the Project Officer or designee may direct. This work will be performed in a workmanlike manner utilizing proper care and equipment to achieve proper line and grade. The Contractor shall not endanger any work by cutting, patching, or digging, or otherwise, and shall not cut or alter the work of any other contract except with the prior written consent of the Project Officer or designee.

1.19 Environmental Protection

A. The Contractor shall implement measures to prevent releases of pollution to the environment and unauthorized discharges to the County’s storm drain system or surface waters. The Contractor shall ensure the pollution prevention measures outlined in Section 01500 Temporary Sediment and Erosion Control are implemented throughout the duration of the work.

B. When the Project includes an approved SWPPP, the Contractor shall strictly abide by this plan which includes: a Pollution Prevention (P2) Plan, an Erosion and Sediment Control (E&S) Plan, and a Stormwater Management Plan. If the Contractor proposes to deviate from this approved plan, it shall be the Contractor’s responsibility to coordinate and obtain approval from the County Project Officer prior to implementing any changes.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION (Not Used)

PART 4 - MEASUREMENT AND PAYMENT

4.1 SWPPP

A. No separate payment shall be made by the County for SWPPP implementation, with the exception of E&S items as specified on the E&S plans or listed as pay items. The Contractor shall not be entitled to any additional payment for changes to the SWPPP which are the result of the Contractor’s work schedule or resource allocation, weather delays, or other factors not controlled by the County.

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4.2 Maintenance and Control Of Traffic

A. Payment for MOT shall be based on the bid form. Payment for maintenance of traffic is full compensation for providing the proper pedestrian, bike lanes, and vehicular traffic controls during all stages of construction and includes furnishing, preparing, fabricating, installing, maintaining, removing, relocating, repairing, or replacing pedestrian, bike lanes, and vehicular traffic control devices and signs as necessary, and all other materials, labor, hardware, equipment, tools, supplies, and incidentals. Contractor shall be responsible for acquiring VDOT permit for any revision during construction and/or as required by the project contract to the approved traffic control plan.

B. Payment for maintenance of traffic for each site shall be made as partial payments. The first installment of 50 per cent of the total cost for maintenance of traffic shall be made on the first progress estimate following partial mobilization and initiation of construction work for the particular site. The remaining 50% of the cost shall be paid on each subsequent estimate based on the percent of work completed at the site all the way through Final Acceptance of work. The Project Officer shall have the authority to decide on the appropriate payment for each subsequent estimate.

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SECTION 01310 PROJECT MANAGEMENT AND COORDINATION

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SECTION 01310 - PROJECT MANAGEMENT AND COORDINATION

PART 1 - GENERAL

1.1 Related Documents

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

1.2 Summary

A. Section includes administrative provisions for coordinating construction operations on Project including, but not limited to, the following:

1. General coordination procedures.

2. Coordination drawings.

3. RFIs.

4. Digital project management procedures.

5. Project meetings.

1.3 Related Work Specified Elsewhere:

A. Section 01320- Construction Progress Documentation

B. Section 01330- Submittal Procedures

C. Section 01400- Quality Requirements

D. Section 01720- Project As-Built Drawings

1.4 Informational Submittals

A. Subcontract List: Within 15 calendar days after execution of the contract by the County the Contractor shall provide to the Project Officer a written summary identifying all individuals or other entities proposed for each portion of the Work, including those who are to furnish products or equipment fabricated to a special design. Include the following information in tabular form:

1. Name, address, telephone number, and email address of entity performing subcontract or supplying products.

2. Number and title of related Specification Section(s) covered by subcontract.

3. Drawing number and detail references, as appropriate, covered by subcontract.

B. Key Personnel Names: Within 15 calendar days after execution of the contract by the County the Contractor shall provide to the Project Officer a list of key personnel assignments, including superintendent and other personnel in attendance at Project site. Identify individuals and their

SECTION 01310 - 2

duties and responsibilities; list addresses and cellular telephone numbers and e-mail addresses.

Provide names, addresses, and telephone numbers of individuals assigned as alternates in the absence of individuals assigned to Project.

1. Post copies of list where required by the Project Officer in web-based Project software directory. Keep list current at all times.

1.5 General Coordination Procedures

A. Coordination: Coordinate construction operations included in different Sections of the Specifications to ensure efficient and orderly installation of each part of the Work. Coordinate construction operations included in different Sections that depend on each other for proper installation, connection, and operation.

1. Schedule construction operations in sequence required to obtain the best results where installation of one part of the Work depends on installation of other components, before or after its own installation.

2. Coordinate installation of different components to ensure maximum performance and accessibility for required maintenance, service, and repair.

3. Make adequate provisions to accommodate items scheduled for later installation.

4. The Contractor shall cooperate with and coordinate work required to be performed by the

County’s independent subcontractors.

B. Administrative Procedures: Coordinate scheduling and timing of required administrative procedures with other construction activities to avoid conflicts and to ensure orderly progress of the Work. Such administrative activities include, but are not limited to, the following:

1. Preparation of Contractor's construction schedule.

2. Preparation of the schedule of values.

3. Installation and removal of temporary facilities and controls.

4. Delivery and processing of submittals.

5. Progress meetings.

6. Project closeout activities.

7. Startup and adjustment of systems.

1.6 Request For Information (RFI)

A. General: Immediately on discovery of the need for additional information, clarification, or interpretation of the Contract Documents, Contractor shall prepare and submit an RFI in the form specified.

1. The Project Officer will return without response those RFIs submitted to Project Officer by other entities controlled by Contractor.

2. Coordinate and submit RFIs in a prompt manner so as to avoid delays in Contractor's work or work of subcontractors.

B. Content of the RFI: Include a detailed, legible description of item needing information or interpretation and the following:

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1. Project name.

2. Project number.

3. Date.

4. Name of Contractor.

5. RFI number, numbered sequentially.

6. RFI subject.

7. Specification Section number and title and related paragraphs, as appropriate.

8. Drawing number and detail references, as appropriate.

9. Field dimensions and conditions, as appropriate.

10. Contractor's suggested resolution. If Contractor's suggested resolution impacts the Contract

Time or the Contract Sum, Contractor shall state impact in the RFI.

11. Contractor's signature.

12. Attachments: Include sketches, descriptions, measurements, photos, Product Data, Shop

Drawings, coordination drawings, and other information necessary to fully describe items needing interpretation.

a. Include dimensions, thicknesses, structural grid references, and details of affected materials, assemblies, and attachments on attached sketches.

C. RFI Forms: RFIs shall be generated using a form with the content as indicated above that is acceptable to the Project Officer.

1. Attachments shall be electronic files in PDF format.

D. Project Officer's Action: Project Officer shall review each RFI, determine action required, and respond. Allow seven working days for Project Officer's response for each RFI. RFIs received by Project Officer after 1:00 p.m. will be considered as received the following working day.

1. The following Contractor-generated RFIs will be returned without action:

a. Requests for approval of submittals.

b. Requests for approval of substitutions.

c. Requests for approval of Contractor's means and methods.

d. Requests for coordination information already indicated in the Contract Documents.

e. Requests for adjustments in the Contract Time or the Contract Sum.

f. Requests for interpretation of project Officer's actions on submittals.

g. Incomplete RFIs or inaccurately prepared RFIs.

2. Project Officer's action may include a request for additional information, in which case Project Officer's time for response will date from time of receipt by Project Officer of additional information.

3. Project Officer 's action on RFIs that may result in a change to the Contract Time or the Contract Sum may be eligible for Contractor to submit Change Proposal according to the Contract General Conditions.

a. In accordance with the Contract conditions, if the Contractor believes the RFI response warrants change in the Contract Time or the Contract Sum he shall notify the Project Officer in writing within 3 days of receipt of the RFI response. The Contractor thereafter must provide to the Project Officer a full cost proposal within 14 days detailing the amount of additional compensation claimed, together with the basis therefore and documentation supporting the claimed amount.

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E. RFI Log: Prepare, maintain, and submit a tabular log of RFIs organized by the RFI number.

Submit log submitted at each coordination bi-weekly coordination meeting. Use software log that is part of web-based Project software log with not less than the following:

1. Project name.

2. Name and address of Contractor.

3. RFI number including RFIs that were returned without action or withdrawn.

4. RFI description.

5. Date the RFI was submitted.

6. Date Project Officer's response was received.

7. Identification of related Minor Change in the Work, Construction Change Directive, and

Proposal Request, as appropriate.

F. On receipt of Project Officer's action, update the RFI log and immediately distribute the RFI response to affected parties. Review response and notify Project Officer within seven days if Contractor disagrees with response.

1.7 Digital Project Management Procedures

A. Use of County's Digital Data Files: Digital data files of County's limited CAD drawings will be provided by Project Officer for Contractor's use during construction.

1. Digital data files may be used by Contractor in preparing coordination drawings, Shop Drawings, and Project record Drawings.

2. County makes no representations as to the accuracy or completeness of digital data files as they relate to Contract Drawings.

3. Digital Drawing Software Program: Contract Drawings are available in AutoCAD format.

4. A Web-based Project software selected by the County shall be utilized at the discretion of the Project Officer.

B. PDF Document Preparation: Where PDFs are required to be submitted to Project Officer,.

prepare as follows:

1. Assemble complete submittal package into a single indexed file incorporating submittal requirements of a single Specification Section and transmittal form with links enabling navigation to each item.

2. Name file with submittal number or other unique identifier, including revision identifier.

3. Certifications: Where digitally submitted certificates and certifications are required, provide a digital signature with digital certificate on where indicated.

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PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION (Not Used)

PART 4 - MEASUREMENT AND PAYMENT

4.1 Project management and coordination required by the contract documents is incidental to the work and therefore no separate payment will be made.

END OF SECTION 01310

SECTION 01320 CONSTRUCTION PROGRESS DOCUMENTATION

SECTION 01320 - 1

SECTION 01320 - CONSTRUCTION PROGRESS DOCUMENTATION

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

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

1.2 SUMMARY

A. Section includes administrative and procedural requirements for documenting the progress of construction during performance of the Work, including the following:

1. Contractor's Construction Schedule.

2. Construction schedule updating reports.

3. Daily construction reports.

4. Material location reports.

5. Site condition reports.

6. Unusual event reports.

1.3 DEFINITIONS

A. Activity: A discrete part of a project that can be identified for planning, scheduling, monitoring, and controlling the construction Project. Activities included in a construction schedule consume time and resources.

1. Critical Activity: An activity on the critical path that must start and finish on the planned early start and finish times.

2. Predecessor Activity: An activity that precedes another activity in the network.

3. Successor Activity: An activity that follows another activity in the network.

B. CPM: Critical path method, which is a method of planning and scheduling a construction project where activities are arranged based on activity relationships. Network calculations determine when activities can be performed and the critical path of Project.

C. Critical Path: The longest connected chain of interdependent activities through the network schedule that establishes the minimum overall Project duration and contains no float.

D. Event: The starting or ending point of an activity.

E. Float: The measure of leeway in…