Green Village Sitework Specs.pdf

PROJECT NO.: 1282111

PROJECT TITLE: GREEN VILLAGE SITE INFRASTRUCTURE

FACILITY: SMITHSONIAN ENVIRONMENTAL RESEARCH

CENTER (SERC)

DATE: March 5, 2021 Final Submission

This project is approved as being in conformance with applicable provisions of the Smithsonian Directive

(SD) 410.

Michael J. Carrancho, P.E., Deputy Director Date

Smithsonian Institution

3/12/2021

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G-1-1 Cover Sheet

C-1-1 Existing Conditions and Demolition Plan

C-1-2 Site Plan

C-1-3 Interim Grading Plan

C-1-4 Utility Plan

C-1-5 Erosion and Sediment Control Plan

C-2-1 Utility Profiles

C-5-1 Erosion and Sediment Control Details

C-5-2 Erosion and Sediment Control Details

C-5-3 Erosion and Sediment Control Details

C-5-4 Site Details

C-5-5 Utility Details

C-5-6 Utility Details

E-0-1 Electrical Symbols, Notes, Details and Abbreviations

E-1-1 Electrical Site Plan – Existing and New Work

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T-1-1 Telecommunication Site Plan – Existing and New Work

E-5-1 Electrical Details

E-6-1 Single Line Diagram

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010000 Supplementary Conditions for Construction

PROJECT SUMMARY AND INFORMATION

1. Project Information

2. Summary of Work

3. Contract Time for Completion

4. Schedule of Options for Bid

5. Schedule of Unit Prices

6. Bidder Examination of Site

7. Availability of Documents

SPECIAL PROJECT REQUIREMENTS

8. Units of Measure

9. Non-Public, Tenant and Secured Spaces

10. Museum Artifacts and Scientific Research Materials

11. Protection of Historic Properties (NOT USED)

12. Commitment to Sustainability

13. Commissioning

CONTRACTOR USE OF PREMISES

14. Hours of Work, Workdays and Government Holidays

15. Conditions Affecting Contractor’s Work

16. Contractor Deliveries, Hauling and Access

17. Dress and Deportment

18. Contractor Parking

19. Eating, Drinking, Smoking and Illegal Substance Abuse

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PROJECT COORDINATION

20. Coordination of Trades

21. Quality Control

22. Permits, Licenses and Fees

23. Utility Service Interruptions and New Connections

24. Smithsonian-Furnished Items Installed by the Contractor

25. Salvage

26. Cutting, Patching and Matching Existing Work

PROTECTION OF THE SITE DURING CONSTRUCTION

27. Protection of the Site

28. Protection of Flora and Fauna

29. Debris Control and Daily Cleanup

30. Dust and Air Quality Control

31. Noise Control

32. Vermin, Pest and Rodent Control

33. Drilling, Welding and Torch Cutting

TEMPORARY CONSTRUCTION FACILITIES

34. Contractor Field Offices, Trailers and Sheds

35. Staging, Storage and Work Areas

36. Sanitary Facilities

37. Temporary Utility Services and Extensions

38. Scaffolding and Platforms (NOT USED)

39. Project Signs

MEETINGS

40. Preconstruction Meeting

41. Pre-Condition Survey of the Site

42. Project Meetings

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SUBMISSIONS

43. Submittal Definitions

44. Submittals and Reviews

45. Criteria for Product Selection

46. Progress Photographs

47. Contractor Correspondence and Daily Reports

SAFETY, HEALTH AND FIRE PROTECTION

48. Jobsite Safety

49. Toxic and Hazardous Substances

50. Personal Protective Equipment

51. Barriers, Barricades and Walkways

52. Existing Fire Protection Systems

SECURITY REQUIREMENTS

53. General Security Requirements

54. Identification Badges

55. Access and Property Control at the Museum Support Center

56. Security of Temporary Openings

57. Existing Building Alarm Systems

58. Security Guard Duty Charges

SCHEDULES AND PAYMENTS

59. Schedule of Values

60. Scheduling & Payments / Bar Chart

61. Scheduling & Payments / Critical Path Method

62. Assignment of Claims

PROJECT CLOSEOUT REQUIREMENTS

63. Project Closeout

64. Substantial Completion

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65. Final Completion and Acceptance

012100 Allowances

017419 Construction Waste Management and Disposal

024119 Selective Structure Demolition

211116 Facility Fire Hydrants

211119 Fire Department Connections

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221113 Facility Water Distribution Piping

221313 Facility Sanitary Sewers

221423 Storm Drainage Piping Specialties

260500 Common Materials and Methods for Electrical

260519 Low-Voltage Electrical Power Conductors and Cables

250526 Grounding and Bonding for Electrical Systems

260533 Raceway and Boxes for Electrical Systems

260543 Underground Ducts and Structures for Electrical Systems

260553 Identification for Electrical Systems

262200 Low-Voltage Transformers

262816 Enclosed Switches and Circuit Breakers

311000 Site Clearing

312000 Earth Moving

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312319 Dewatering

315000 Excavation Support and Protection

321216 Asphalt Paving

329113 Soil Preparation

329200 Grasses

329300 Plants

334100 Utility & Drainage Piping

A Preliminary Geotechnical Engineering Report SERC Green Village Prepared by GeoConcepts Engineering, Inc. dated June 6, 2017

B Submittal Log

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SUPPLEMENTARY CONDITIONS FOR CONSTRUCTION 01000 - 1

1.1. SF Project No. 1282111

Green Village Infrastructure Smithsonian Environmental Research Center (SERC) 647 Contees Wharf Road Edgewater, Maryland 21037

1.2. Smithsonian Institution Contacts:

Contracting Officer (CO), address for Fed Ex and UPS delivery:

Smithsonian Institution – Office of Contracting 2011 Crystal Drive, Suite 350 Arlington, VA 20022-3709

Contracting Officer (CO), address for USPS delivery:

Smithsonian Institution - Office of Contracting

MRC 1200

PO Box 37012 Washington, DC 20013-7012

Contracting Officer's Technical Representative (COTR), address for Fed Ex, UPS, and USPS delivery:

Smithsonian Institution – Smithsonian Environmental Research Center Attn: Mr. Raymond Jones

Edgewater, MD 21037

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2.1. The Contractor shall furnish all supervision, labor, materials and equipment needed to complete the Green Village Infrastructure project at the Smithsonian Institution's Environmental Research Center (SERC) located at 647 Contees Wharf Road, Edgewater, Maryland 21037, as set forth on the Drawings for SF Project No. 1282111, sheets l through 19 and in these specifications, both dated May 15, 2020.

2.2. The Work includes, but is not limited to:

Demolition of existing site elements within the construction limits to allow for construction of infrastructure improvements in accordance with the provisions of the Demolition and Erosion and Sediment Control Plans included in the drawing set. The demolition work shall include, but is not limited to removal of asphalt pavement, light poles, existing underground electrical conduits, electrical manholes, tree and/or brush clearing, and haul off of all excavated material.

Beyond the base bid work, removal and salvage of existing building trailers along with clearing, grubbing and grading of the future lodge site may be added as an alternate.

Construction of the proposed Green Village Infrastructure shall include, but is not limited to asphalt paving, pavement markings, street lights, storm drain, trench drains, electrical conduit with associated handholes & manholes, communications conduits with associated handholes, domestic water piping, reclaimed water piping, dry fire department connection piping, and sewer piping and manholes.

Construction shall also include export of all required spoil for interim site grading and stabilization, and other improvements.

For the duration of the project, maintenance of traffic is required such that access to the dorimitory building, the Schmidt Center & the water towers north of the site is viable for normal traffic which includes pedestrians, SERC maintenance vehicles, emergency vehicles, personal vehicles, and Smithsonian security vehicles.

2.3. Critical Elements of the Work: The successful Contractor shall be fully qualified to install critical elements of the Work. Upon request of the Contracting Officer, bidders shall submit a statement of qualifications to address the following critical elements of the Work:

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Paving and pavement repairs

Wet utility- storm drain, trench drain, water and sewer- contstruction

Duct Bank for electrical distribution, telecommunication, security and fiber optics

Erosion and Sediment Control in accordance with MDE criteria

Maintenance of Traffic

Building/trailer removal and salvage

Stormwater Management Facility Construction/ Retrofit per MDE criteria

3.1. Work under this contract shall begin by the Contractor within ten (10) calendar days after the Notice to Proceed and shall be completed within the total contract time of 300 calendar days. All work, including project closeout activities, shall be completed in every respect within the contract time.

3.2 The start date, interim contract milestones, and completion date shall be as stated in the Notice to Proceed issued by the Contracting Officer.

4.1. The following is a brief statement of the Work identified for bid options. The complete description of the Work is identified elsewhere in the drawings and specifications.

BASE BID:

Perform select demolition, clearing and grading for site limits as defined in contract drawings. Provide and install hot mix asphalt paving, pavement markings, street lights, storm drain piping and manholes, trench drains, electrical conduit with associated handholes & manholes, communications conduit with associated handholes, domestic water piping, reclaimed water piping, dry fire department connection piping, and sewer

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piping and manholes. Import all required fill for interim site grading and stabilization, per base bid contract documents. No days added for this work.

5.1. The unit prices in the following schedule shall be submitted as part of the bid.

The Smithsonian reserves the right to accept or reject any or all unit prices.

5.2. The Contractor agrees that, in the event that the Contractor is directed by the Smithsonian to increase or decrease the quantities of work required by the contract documents on items listed below, the contract amount shall be adjusted based on the following unit prices. The base contract includes no value or cost for the unit price(s).

5.3. Unit prices shall include the furnishing of all materials, labor, equipment and services necessary for or incidental to the execution of the work specified. Unit prices shall include all direct and indirect costs, overhead, taxes, insurance and profit.

5.4. These unit prices shall be binding upon the Contractor for the duration of the project. No escalation or other variation shall be allowed.

5.5. If requested by the Smithsonian, the Contractor shall provide material, equipment and personnel to verify or determine changes in quantities. Contractor measurements and calculations shall be subject to verification by the COTR.

5.6. Schedule of Required Unit Prices:

ITEM Price ($) Per Unit Concrete Duct Bank Removal (Haul off) of Unsuitable Material

LF

CY

Structural Fill (Import) CY Electric Cabling LF

6.1. Every effort has been made to indicate all work necessary to complete the project as identified. All bidders shall carefully examine the premises during the bid period and satisfy themselves as to the extent, nature and location of the work, general and local conditions, particularly those bearing on transportation, disposal, handling and storage of

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materials, availability of labor, water, electric power, access routes, uncertainties of the weather, type of equipment and facilities needed for the successful execution of the Work.

6.2. Before the bid opening date, bidders may view the project site on an appointment basis. Any comments, information or discussion during the site visit shall not modify the contract documents. Bidders shall make an appointment to view the site by contacting:

COTR

Mr. Raymond Jones Telephone No. (202) 345-2293 Smithsonian Environmental Research Center

Edgewater, Maryland 21037

6.3. Pre-Bid Conference and Site Visit. Before the bid opening date, a scheduled pre-bid conference and site visit will be announced by the Contracting Officer. The purpose of the scheduled meeting is to provide an opportunity for all bidders to review the project site. Any comments, information or discussion during the site visit shall not modify the contract documents.

6.4. This project requires special arrangements for access to a non-public area. Access to the site may be restricted at times other than during the scheduled visit.

7.1. The bidder may obtain a compact disc with electronic versions of the drawings and specifications from:

Smithsonian Institution Office of Engineering Design and Construction 600 Maryland Avenue, SW Suite 5001 Washington, DC 20024

7.2. The solicitation documents are available digitally, at no cost to the bidder, from the Contracting Officer.

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8.1. All fabrication and installation shall be performed in accordance with the units of measure given in the Contract Documents.

8.2. All Contractor and subcontractor personnel working on the site shall possess and use English measuring equipment for all work shown in English units. Conversion of dimensions shown on contract drawings to metric units for use of non-English measuring equipment is prohibited.

9.1. Certain tenant spaces, non-public spaces, utility and equipment rooms including those in the Schmidt Building and existing dorm, and other areas related to or used for purposes of storage, conservation, research, curation of museum collection and artifacts or for scientific research may have restricted access.

9.2. The Contractor shall identify to the COTR as soon as possible, but no less than two (2) working days in advance, any occupied areas that the Contractor must access that are located outside the limits of the project site. The Contractor shall identify in writing:

9.2.1. Restricted areas to be accessed.

9.2.2. Specific reason for needing access.

9.2.3. Nature of the work to be performed.

9.2.4. Date(s) and hours needed to complete construction work activity.

10.1. The handling of scientific research experiments by the Contractor is strictly prohibited without written consent of the Smithsonian. The existing research related materials may be moved only by authorized Smithsonian museum curatorial personnel.

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An offender of this clause may be subject to arrest or removal from the premises and project by Smithsonian security officers.

10.2 If temporary relocation of research experiments is necessary, the Contractor shall give notice to the COTR at least five working days in advance of the time relocation is needed. SERC will endeavor to remove all research experiments and related equipment from the Limits of Disturbance associated with the project in advance and/or in a timely manner upon notification of discovery by the contractor.

12.1. The Smithsonian Institution is a trust instrumentality of the United States (recognized as a tax-exempt organization under Section 501(c)(3) of the Internal Revenue Code) and although not an Executive Branch of the U.S. Government, is committed to planning, designing, constructing, maintaining and operating its owned and leased buildings and facilities consistent with Federal environmental and energy management requirements, as listed in the Smithsonian Codes, Standards and Guidelines document, dated (Revised) February 15, 2012, to the maximum extent practical.

12.2 This project is not seeking LEED Certification; however, the contractor is referred to Section 017419 “Construction Waste Management and Disposal” for required best management practices and project documentation.

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14.1. Work shall be performed, under this contract, during the normal workdays of Monday through Friday, except Smithsonian holidays as specified herein and the normal work hours of 7:00 AM to 3:30 PM.

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14.2. The adjacent premises will be continually occupied, requiring the work under this contract to be closely coordinated with the COTR to minimize disruptions to the normal work day activities and residential dorm activities.

14.2. For each occasion the Contractor intends to work on Saturdays, Sundays or Smithsonian holidays or during hours other than those indicated above, the Contractor shall obtain written permission from the COTR, at least three (3) working days in advance.

14.3. The Contractor shall reimburse the Smithsonian Institution for inspection services provided by the Smithsonian when the Contractor chooses to work outside the normal workdays and hours, as identified herein. However, the Contractor will not be charged for SI overtime inspection services, if in the opinion of the COTR, the work cannot be done during the normal workdays and hours due to requirements of the Smithsonian.

14.4. Smithsonian Holidays: For holidays that fall on Saturday, the Smithsonian Holiday is observed on the previous Friday. For holidays that fall on Sunday, the Smithsonian holiday is observed on the following Monday. The Smithsonian Holidays are listed below.

New Year's Day January 1 Martin Luther King Jr.'s Birthday January, third Monday George Washington's Birthday February, third Monday Memorial Day May, last Monday Independence Day July 4 Labor Day September, first Monday Columbus Day October, second Monday Veterans' Day November 11 Thanksgiving Day November, fourth Thursday Christmas Day December 25

15.1. Existing Occupied Spaces: The premises will be occupied during the performance of the Work. The Contractor shall schedule work activities to minimize interruption of

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occupants and occupied spaces. Efforts will be made to temporarily move employees and contents out of specific areas under construction, as needed, during the times requested by the Contractor. However, the needs of the Smithsonian Institution take precedence and free access for the Contractor cannot always be guaranteed. Areas that will remain occupied include SERC buildings, Schmidt Center including the adjacent utility yard, dormitory building, and trailers. The gravel access to the elevated water storage tanks shall remain accessible throughout construction.

15.2. Relocation of Existing Occupants: Contractor's requests for the Smithsonian to temporarily relocate existing occupants or for Contractor's access to secured areas shall be made to the COTR as far in advance as possible, but no less than three working days in advance of the need for relocation.

15.3. Space for Contractor Use: The space available for Contractor's use is limited to areas indicated on the Contract Drawings as the project site. Space allocation and availability are subject to change, at the discretion of the Smithsonian, to meet the needs of all parties requiring access and space within the site and the surrounding areas.

16.1. The Contractor's materials and equipment shall be delivered, received and handled by the Contractor's personnel. Materials and equipment shall be staged and stored at the locations delineated for such use on the plans. Should alternate or additional space be required, the Contractor must make a request to the COTR as far in advance as possible, but not less than three (3) working days prior to the need for space.

16.2. Access to SERC buildings for on- and off-loading of all material, structures and equipment shall be prohibited.

16.3. The transportation of hazardous materials or hazardous waste into or out of SERC buildings is prohibited.

17.1. Contractors' personnel shall be fully and appropriately clothed at all times and shall conduct themselves in a manner appropriate to a public place. The COTR may require removal of any individual from the premises and project for unacceptable dress, � � � �3�������������

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demeanor or disruptive conduct, if the Contractor superintendent fails to correct conditions in violation of this paragraph.

18.1. Only company vehicles are permitted on the SERC facility. A limited number of parking spaces will be made available to the Contractor as close to the project as possible, generally in the staging and storage areas delineated on the plans or in the nearby Woodland Parking as may be arranged with the COTR. Arrangements for Contractor's parking are the sole responsibility of the Contractor. The Contractor should contact the COTR to make parking arrangements at least three (3) working days prior to the start of any work on site.

19.1. Eating and drinking in SERC buildings will not be allowed. Offenders may be subject to removal from the premises and project should the Contractor's Superintendent fail to correct conditions, which, in the opinion of the COTR, violate this clause.

19.2. The consumption of alcoholic beverages by the Contractor's personnel is prohibited on all SERC property.

19.3. Smoking or carrying lighted tobacco products is prohibited in all SERC buildings or leased space, in exhibition and public spaces, in areas where hazardous materials are stored or handled and in areas undergoing construction, renovation or repair.

Acceptable areas for smoking are to be approved by the COTR.

19.4. The possession, sale and/or use of narcotics or other illegal substances or firearms by Contractor employees are strictly prohibited on all SERC property. Contractor employees are strictly prohibited from working on the project under the influence of alcohol and/or illegal substances. Contractor employees in violation of any of the above prohibitions will be removed from the project.

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20.1. The Contractor shall coordinate work of different trades so that interference to traffic and existing utility services shall be avoided.

20.2 Where work by separate entities requires off-site fabrication of products and accurate interfacing of materials to produce the required results, the Contractor shall prepare coordination drawings to indicate how work shown on separate shop drawings will be interfaced, intermeshed and sequenced for installation. Coordination drawings shall be submitted in accordance with the requirements of the "Submissions" section.

20.2.1. Work installed prior to approval of coordination drawings shall be at the Contractor's risk. Subsequent relocations required to avoid interferences shall be made without additional expense to the Smithsonian. If an interference develops, the COTR will decide which work shall be relocated, regardless of which was installed first.

20.3. Installation of equipment and systems shall allow the maximum practical space for operation, repair, removal and testing, within the limits indicated on the Contract Documents.

21.1. The Contractor shall provide for quality control, inspections, testing and re-testing as necessary for all work, including that of Subcontractors, to assure compliance with the contract documents. All third party independent testing shall be paid for by the Contractor, including soils testing and geotechnical services.

21.2. Contractor Quality Control (CQC) System: The Contractor shall provide a quality control organization and system to perform quality control, inspections, testing and re-testing as necessary for any item of work, including that of Subcontractors, to assure compliance with the contract documents.

21.3. CQC Representative Designation and Authority:The Contractor shall provide a CQC Representative, supplemented as necessary by additional personnel, who shall be on the jobsite at all times during progress, with complete authority to take any action necessary to ensure compliance with the contract documents. The CQC Representative shall be appointed by a letter addressed to him/her and signed by an officer of the firm

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and shall not be the same individual as, or be subordinate to, the job superintendent or project manager.

21.4. CQC Plan Requirements:The Contractor shall submit for review/approval a CQC Plan within thirty (30) calendar days after Contract Award to the COTR for approval.

The Plan shall detail the procedures, instruction and reports to be used to assure compliance with the contract documents. The CQC Plan shall be approved prior to any work commencing. As a minimum, the Plan shall include the following:

21.4.1. Designation of the CQC Representative: Identify the person and list duties, responsibilities and authority.

21.4.2. Organization Chart:Show CQC staff and its relationship with other staff members and Subcontractors.

21.4.3. Personnel Matrix:For each specification section, identify who is the authorized submittal reviewer, who will inspect the work, what testing laboratory or person will perform on-site testing, who will perform factory inspections and testing and who will certify the documentation.

21.4.4. Responsibility and Authority:State the responsibility and authority for each individual in the CQC system.

21.4.5. Personnel Qualifications: Provide resumes and descriptions of prior experience on similar work.

21.4.6. Inspection Procedures and Schedule:Identify the inspection and testing procedures and scheduled dates as reflected on the CPM project schedule, organized by technical specification section.

21.4.7. Submittal Review Procedures and Schedule: Provide submittal log in accordance with the Submissions section. For each specification section, identify the name(s) of person(s) authorized to review and sign submittals for compliance.

21.4.8. CQC Documentation: Identify the procedures for documenting quality control operations, inspection and testing. Provide samples of each type of required documentation - all forms, logs, reports, etc. Include a testing log listing

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all tests and inspections required by the contract documents and stating the action to be taken by the Contractor and/or the Smithsonian.

21.5. CQC Staffing Requirements:The following listing of minimum staff requirements in no way relieves the Contractor of meeting the basic requirements of the Contractor Quality Control System for this project. The Contractor shall ensure an adequate staff to meet the CQC requirements at all times during construction. When necessary for a proper CQC organization, the Contractor shall provide additional staff at no cost to the Smithsonian.

21.5.1. CQC Representative:The CQC Representative shall have seven (7) years of construction experience on projects similar to this one, including three (3) years experience in Quality Control. Provide a list of relevant project experience.

21.5.2. Alternate CQC Representative:The Contractor shall designate an alternate person to act for the CQC Representative in case the CQC Representative is absent from the construction site. The alternate may not act for the CQC Representative for a period longer than fourteen (14)consecutive calendar days without written approval by the COTR.

21.5.3. CQC Submittals Assistant:The Contractor shall assign an assistant, to work until submittals are 95% complete, whose sole duty shall be to assist the CQC Representative in maintaining files and logs for submittals.

21.5.4. CQC Specialized Supplemental Personnel:The Contractor shall provide, as a minimum, a different person in each of the areas listed below to assist and report to the CQC Representative. Supplemental personnel shall be responsible for ensuring that the construction complies with the contract documents in their areas of responsibility. They shall be on the jobsite during all installation and testing in their areas of responsibility and shall be responsible for performing inspections and witnessing testing as required by the contract documents.

Geotechnical or materials testing for compaction and subgrade verification

Maintenance of traffic specialist to ensure road passability and safety

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Erosion and sediment control- responsible land disturber or Maryland “Green Card” certification

21.6. CQC Inspection Requirements:As a minimum, the inspection procedures shall include the following:

21.6.1. Preparatory Inspection: Preparatory inspection shall be performed before beginning work and before beginning each segment of work. Preparatory inspection shall include a review of the contract requirements, complete review of shop drawings and other submittals for conformance with contract documents, confirmation that all required testing will be provided, physical examination of all materials and equipment for conformance with approved shop drawings and submittals and verification that all required preliminary work has been completed.

21.6.2. Initial Inspection:Initial inspection shall be performed as soon as a representative segment of the particular item of work has been accomplished.

Initial inspection shall include checking of all dimensions, careful inspection of workmanship, performance of required testing, performance of corrective actions as necessary and approval or rejection of the initial segment of the work.

21.6.3. Follow-up Inspections:Follow-up inspections shall be performed daily or more frequently, as necessary, and shall include continued testing and examinations to assure continued compliance with the contract requirements.

21.6.4. Special Inspection and Documentation:In addition to the above inspection requirements, certain Special Inspection and Documentation requirements may be contained within the technical specification sections. Each Special Inspection shall be performed and documented as required and documentation shall be submitted as soon as possible after performance unless otherwise indicated.

21.6.5. Factory Inspection by the Contractor:The Contractor shall arrange and perform all factory inspections specifically required in the technical specifications sections.

21.6.6. Non-Compliance Check-Off List: The CQC Representative shall maintain a check-off list of work that does not comply with the contract, stating

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specifically what is non-complying, the date the faulty work was originally discovered and the date the work was corrected. The CQC Representative shall not allow the Contractor to add to or build upon non-complying work unless, in the opinion of the COTR, correction can be made without disturbing the continuing work. The CQC Representative shall submit a copy of the check-off list to the COTR on a monthly basis. Items corrected on the day they are discovered do not need to be included on the submitted list.

21.6.7. Completion and Inspection of Work:The CQC Representative shall sign the written request for Substantial Completion Inspection (discussed in the Project Closeout Requirements section).

21.7. Testing Requirements:Except as specifically stated otherwise, the Contractor shall be responsible for all field sampling and in-place testing required by the contract documents.

21.7.1. Independent Testing Laboratory: The Contractor shall provide an independent, commercial testing laboratory to perform all sampling and testing services required, unless otherwise specified. The testing services shall be on- or off-site as required. Submit complete documentation of all tests performed in connection with the construction contract.

21.7.2. Smithsonian Acceptance of Laboratories: Except for factory tests, all field sampling and testing normally performed by commercial laboratories shall be performed by an independent commercial laboratory employed by the Contractor and accepted by the COTR. The Contractor shall submit the following information to the COTR for approval:

21.7.2.1. Name, registration number and engineering discipline of the Registered Professional Engineer in charge of the laboratory.

21.7.2.2. Affidavit of compliance and certification that the laboratory performs work in accordance with requirements as stated in the contract documents.

21.7.2.3. A list of testing equipment proposed for each test procedure including latest calibration data.

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21.7.2.4. A copy of the latest Laboratory Inspection Report by an independent agency with laboratory certification that deficiencies (if any) have been corrected.

21.7.2.5. Names and qualifications of persons actually performing testing and sampling. Changes in personnel shall be approved by the COTR prior to performance of work under this contract.

21.7.3. Factory Tests:Unless otherwise specified, the Contractor shall arrange for factory tests when they are required under the Contract. Certified copies of test reports showing that the materials to be incorporated into the work conform to the contract documents will be acceptable, provided they are performed by the manufacturer or by agencies or laboratories acceptable to the COTR.

21.7.4. Test Results:Test results shall cite the contract requirements, the test or analytical procedures used, the actual results and include a statement that the item tested or analyzed conforms or fails to conform to specification requirements.

The cover sheet for each report shall be conspicuously stamped in large red letters "CONFORMS" or "DOES NOT CONFORM" to the specification requirements, as the case may be. All test reports shall be signed by a testing laboratory representative authorized to sign certified test reports. The Contractor shall arrange for immediate and direct delivery of the signed reports, certifications and other documentation to the COTR.

21.8. Documentation: The CQC shall prepare or assist with the preparation of the following documents:

21.8.1. Daily Reports: The Contractor's Daily Report, as discussed in the section Contractor Correspondence and Daily Reports, shall be signed by the CQC Representative as well as the Superintendent. The CQC Representative's signature certifies that, to the best of his or her knowledge, the report is complete and correct and that all materials, equipment and work described on the report are in compliance with the contract plans and specifications, except as noted otherwise.

21.8.2. Special Inspection and Documentation: Reports of Special Inspections shall be signed by both the CQC Representative and the CQC Specialized

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Supplemental Person who witnessed the test or inspection certifying compliance with the specific contract requirement.

21.8.3. As-Builts: The CQC Representative shall ensure that all requirements for as-built record drawings and specifications are met. The CQC Representative or Specialized Supplemental Personnel assigned to inspect that particular portion of work shall initial each as-built drawing or technical specification section to certify its accuracy prior to submission in accordance with the Project Close-Out Requirements section.

22.1. The Contractor shall obtain and pay for all applicable permits and licenses required by regulating agencies, including but not limited to those required to provide utility company connections, waste containers, etc.

22.2. The Contractor shall pay all duties, fees, taxes and other charges and give all notices necessary and incidental to the due and lawful execution of the work.

22.3. The Contractor shall keep the Smithsonian indemnified against all penalties and liability for breach of provisions of any national, provincial, district or city statute, ordinance or law and the regulations and by-laws of any local or other duly constituted authority, which may be applicable to the Work and with such rules and regulations of public bodies and companies.

22.4. Accessibility for Physically-Disabled Persons: The Contractor's shall provide temporary constructions at the site as necessary to maintain access for physically disabled persons to the dormitory and Schmidt Center. All provisions for temporary access shall be subject to the approval of the COTR.

23.1. Any planned interruption in utility service must be approved by and coordinated through the COTR. The Contractor shall submit a written request as far in advance of scheduled interruption as possible, but no less than two (2) full working days in advance.

The Contractor shall make the necessary temporary provisions to supply continuous

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electrical power, telephone service, and security as required during periods when service is interrupted.

23.2. The Contractor's work efforts to restore service shall be continuous until the interrupted utility is back in service.

23.3. A fire watch shall be provided for the time periods when fire suppression and detection systems are out of service.

24.1. The following items shall be furnished by the Smithsonian for installation by the Contractor as part of this contract:

ITEM DELIVERY LOCATION

Light Poles (2) TBD

24.2. Required delivery dates for all Smithsonian furnished items shall be included in the Contractor's Project Schedule, as discussed in the Schedules and Payments section.

Any items requiring delivery within the first sixty (60) days of the project or prior to submission of the Project Schedule shall be identified at the Preconstruction Meeting.

24.3. The COTR will notify the Contractor of scheduled delivery dates no less than two

(2) full working days in advance of delivery. The Contractor shall accept delivery of the items on scheduled dates or be responsible for any damage and/or expenses resulting from his failure to take delivery. Promptly upon delivery, the Contractor shall contact the COTR and they shall jointly inspect the material or equipment for possible shortage or damage. If a shortage or damage is found, the Contractor and the COTR shall submit a report to the Contracting Officer.

24.4. The Contractor shall be responsible for proper storage and protection of items delivered, including all expenses incidental thereto.

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24.5. For each item, the Contractor shall receive, sign for receipt, provide additional transportation as necessary, uncrate, assemble, locate in place and provide complete installation including all connections necessary for operation or use. Installation and connection shall be in accordance with manufacturer's specifications as well as contract documents, including all labor and material required.

25.1. The Smithsonian Institution assumes no responsibility for salvage value or any loss or damage to materials or structures on the site for which the Contractor may have reflected a salvage value in his or her bid.

25.2. Except as specifically stated in the contract documents, construction materials, equipment or other items that are to be removed and neither re-used under this contract nor reserved as property of the Smithsonian Institution shall become the property of the Contractor and shall be removed from the premises by the Contractor.

25.3. The following items shall remain the property of the Smithsonian and the Contractor shall deliver the items to the locations specified or as otherwise directed by the COTR, at no additional cost to the Smithsonian.

ITEM DELIVERY LOCATION

Bird Boxes or other Research Equipment if encountered

On property, TBD by SERC/COTR

SERC Identification and Directional Signage (Brown Panel Signs) Handicap Parking Signs

On property, TBD by SERC/COTR

On property, TBD by SERC

26.1. Existing work shall be cut, trenched, graded or temporarily graded, removed or temporarily removed and replaced as necessary for performance of work under the contract. Work that is replaced shall match similar existing work. Structural members shall not be cut or altered, except where noted on drawings, without authorization of the COTR. Work to remain in place, which is damaged or defaced during this contract shall

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be restored to match the conditions existing at the time of award of the contract, at no additional cost to the Smithsonian.

26.2. Conditions exposed by removal of existing work that do not match new finishes or align with new work shall be called to the COTR's immediate attention. Necessary corrective work directed by the COTR will be subject to adjustment provisions as stated in the General Conditions of the contract.

27.1. Plan for Protection of the Site:The Contractor shall submit a plan for protection of the site to the COTR for approval. As a minimum, the Plan shall describe:

27.1.1. Proposed method, location and construction of temporary access roads, staging, and traffic control.

27.1.2. Routes of access and egress, including those for emergency vehicles.

27.1.3. Location and maintenance of staging areas.

27.1.4. Methods of protection of existing surfaces and occupants.

27.1.5. Means of connection of temporary enclosures/surfaces to existing materials.

27.2. Erosion and Sedimentation Control (ESC) Plan: Contractor shall adhere to the approved ESC Plan included in the contract documents.

28.1. Flora Protection: The Contractor is expressly prohibited from collecting plant materials on Smithsonian property.

28.2. The Contractor shall not store materials inside the drip-line of trees or shrubs. Prior to the start of the work on site, the Contractor shall surround trees within the project site and adjacent areas with a protective fence ("snow fence"), 4.5 feet high (minimum), 1 foot outside the drip line (minimum). The protective fencing shall be

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constructed of heavy-duty metal posts or pressure-treated 4” X 4” wooden posts, 3 feet on center, with a top and bottom stringer of 2” X 4” members. The fencing fabric shall consist of 1.5” X 0.5” slats, pressure-treated.

28.3. Vehicular traffic inside the drip-line of trees, on turf areas or on flowerbeds is not permitted without prior approval of the SERC Horticulturalist through the COTR. If flowerbeds or the roots within the drip-lines of trees greater than 12” caliper must be crossed by vehicles, bridging is required. Bridging shall be 2 layers of ¾ inch exterior grade plywood or 2” x 10” or 1” protective plastic decking such as Bravo mat or equal to help prevent soil compaction of the soil in the lawn areas and flowerbeds. No parking on turf will be permitted at any time.

28.4. Where aerial work is being performed above flower/shrub beds, the Contractor shall protect them with an approved protective framework installed at least 1 foot above the tops of the plant materials. The Contractor shall submit the proposed method of protection to the COTR for approval. Trees and shrubs shall only be tied back with the approval of the COTR.

28.5. The Contractor shall bear all costs for replacement of damaged plant materials. Replacement plant materials shall meet the criteria established by the project Landscape Architect.

28.5.1 Contractor shall follow practices established in Specification Section Plants 329300. In the event that plants to be protected are damaged or destroyed by construction activity, full damage assessment will be determined at periodic job inspections by Landscape Architect, with the final assessment occurring at time of Substantial Completion.

28.5.2 Measures for correcting damage include the following per direction of the

COTR:

28.5.2.1. Trees and tree-like shrubs: In the event of non-life-threatening damage, Contractor shall contract licensed landscape contractor to prune, treat, or otherwise repair damage within 14 days of Landscape Architect’s identification of damage.

In the event of damage that will result in the tree’s death within an estimated one year, Contractor shall replace the tree according to the following:

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1) 1:1 Replacement: For trees 4” caliper or less, replace with like species, form, and size (or approved equal by Landscape Architect) OR

2) Total Caliper Replacement: For trees larger than 4” caliper, replace with like species and form (or approved equal by Landscape Architect) with the number of 3” caliper trees needed to equal the total caliper of tree that was destroyed. No trees smaller than 3” caliper accepted unless approved by Landscape Architect.

28.5.2.2. Medium and small shrubs, groundcover, and herbaceous plants:

Any non-tree plants destroyed and/or damaged by the Contractor during construction shall be replaced with like genus and species of the same size or as otherwise directed by the project Landscape Architect, at no additional cost to the Smithsonian. The damaged plant materials must be replaced prior to final payment.

28.5.2.3. Seeded Areas: Regrade, reseed with exact seed mix specified in Erosion and Sediment Control Plan, and establish grasses to match surrounding.

28.5.3 Contractor shall repair damage within 14 days of COTR’s identification of need or upon a mutually agreed upon schedule.

28.6. Plant material removed by the Contractor for reuse shall be balled, bagged and protected in accordance with instructions prepared by the project Landscape Architect.

28.7. Turf areas damaged during construction shall be repaired by the Contractor by rototilling a minimum depth of 6 inches, backfilled with sandy-loam topsoil. Sod shall be certified sod, none netted and a minimum of one year old. Sod shall be 90:10, consisting of a minimum of three varieties tall fescues and one Kentucky Bluegrass. Smithsonian Gardens, through the COTR, must approve the source of the sod. The Contractor shall bear all costs for these repairs. Suggested sources are:

Oakwood Sod Farm, Inc.

29307 Waller Road Delmar, MD 21875 Phone: (410) 896-4009 Toll-Free: (800)379-8488

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Collins Wharf Sod

25361 Collins Wharf Rd Eden, MD 21822

Phone: 410-334-6676 Fax: 410-749-3815 cwsod@collinswharfsod.com

Summit Hall Sod Farm

21300 River Road Poolesville, MD 20837-9114 Phone: 301-948-2900 Fax: 301-349-2668

28.8. The Contractor shall be responsible for the daily removal of trash and construction debris from turf and flower/shrub beds within the limits of construction.

28.9. Any construction scaffolding on turf and planted beds must be coordinated with the SERC Horticulturist through the COTR to ensure that its installation will not damage or destroy existing plant materials or turf area or interfere with daily maintenance of the grounds. Trees may be tied back to permit scaffolding erection, no more than 4 feet if possible. The tying back must be performed by a certified Arborist with the approval of SERC Horticulturalist and the COTR. Where scaffolding is necessary to facilitate construction, SERC requires a three (3) workday notice for said work.

28.10. Fauna Protection: The Contractor is prohibited from hunting, collecting or feeding animals on Smithsonian property. All food and food wrapping brought on the premises must be properly disposed of in approved containers, which are secured from animals.

28.11. If a generator is placed on the turf, SERC must have approval of its placement.

Generator shall be placed on anti-compactor boards. The generator must be placed in a drip containment basin.

28.12. Topsoil: ASTM D 5268, fertile, naturally sandy loam as defined by USDA Handbook no. 18, Figure 38. It shall be natural, surface soil in a friable condition and contain less than 3% subsoil. The topsoil shall be free of hardpan material, stones and

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clods larger than ½ inch in diameter, sticks, tree or shrub roots, debris, toxic substances (e.g. Residual herbicides) and other material detrimental to plant growth. The area and the topsoil shall be free of plant or plant parts of undesirable plants such as, but not limited to, Bermuda grass, nut sedge, mugwort, Johnsongrass, Quackgrass, Canada Thistle or noxious weeds as set forth in the Federal Seed Act. It shall be certified free of Southern Blight.

28.12.1 Contractor shall notify COTR of location of all sources of the topsoil and furnish the COTR a certified report from the agricultural experiment station or approved agricultural laboratory of an analysis performed not more than 60 days prior to the date of submission. The topsoil shall be certified to meet the following requirements:

a.� Shall be a natural, original surface soil of a sandy loam texture with a mechanical analysis of 60-65% sand, 15-25% silt and 10-15% clay.

b.� Shall have at least 2%, but not more than 5%, organic matter.

c.� Soil pH shall be 5.5 to pH 6.5 inclusive unless otherwise specified.

d.� Soil salinity by electrical conductivity measurement shall not exceed 600 parts per million (ppm) as determined by Black, Editor “Method of Soil Analysis,” Part 2, published by the American Society of Agronomy, 1965.

e.� The soil nutrient level shall be greater than 100 lbs./acre of magnesium, 150 lbs./acre of phosphorous and 120 lbs./acre of potassium.

28.12.2. Agricultural limestone at not more than 5 pounds per cubic yard of top soil may be used to adjust an acidic condition provided it is well mixed in a manner, which does not destroy the structure of the soil.

28.12.3. Topsoil that has been synthesized by blending materials which individually do not meet the requirements of this specification will not be accepted even though the resulting blend meets the organic matter, mechanical analysis, pH and soluble salts requirements.

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28.12.4. The COTR reserves the right to inspect and sample all topsoil at the source and at the time of delivery. These inspections will be made without cost to the Contractor.

28.12.5. Topsoil must not be delivered or handled in a frozen or muddy condition.

28.12.6. Shipment and Delivery - All soil must be approved by the COTR before delivery to the site.