Attachment 1 - MAHG211009 Statement of Work.pdf

STATEMENT OF WORK

FOR

REPLACE AHUs and VAVAs in NPS Dorms PH1

AT

KEESLER AIR FORCE BASE, BILOXI

PROJECT NO.: MAHG 21-1009

23 MAY 2024

Attachment 1

FA301024R0008

Project No.: MAHG 21-1009

I. PROPOSAL

A. The contractor’s cost proposal shall be broken down into two major elements: (1) Design Effort and (2) Construction Effort. The costs associated with each type of work will be added to that element. Contractors shall review their costs carefully to ensure they are correctly split between the two elements: Provide all labor, materials, and equipment as generally outlined below and as specifically described and reasonably inferred in accompanying documents:

II. CONTRACT AWARD

Upon award of the contract award, the contractor shall be expected to:

A. Submit Payment and Performance Bonds and the Quality Control Plan specific to the contract award within 10 days.

B. After acceptance of the Payment and Performance Bonds and the Quality Control Plan, the

Design Kick-Off Meeting can be requested.

C. Within five (5) days prior to the Design Kick-Off meeting, the contractor shall provide a draft Project Schedule. A Notice to Proceed (NTP) will not be provided unless received.

Following the issuance of the NTP, the contractor shall provide an updated schedule that illustrates the project in real time within three (3) days. If a schedule has not been approved by the Government, all Progress Reports (PRs) and subsequent payments will be withheld until a schedule is approved. Following any and all modifications the contractor shall provide the Contacting Officer (CO) with an updated schedule three (3) days from the date of all executed modifications. Following an executed modification, if an updated Progress Schedule reflecting the new schedule has not been received, all PRs and payment will be withheld until a schedule is received.

D. The NTP shall be issued by 81 CONS after the Design Kick-Off Meeting has been completed.

III. PROJECT PERFORMANCE PERIOD

The period of performance is broken down into three phases: Phase I, Phase II, and Phase III described herein. A separate Notice to Proceed (NTP) will be issued for Phases I and II. The performance period consists of 360 calendar days.

A. PHASE I

Phase I is the Design Phase of the project and requires completion of the following:

1. The Period of Performance for Phase I is 90 calendar days.

2. Approval of required submittals as identified on the MSS.

3. Receipt and approval of all required permits.

B. PHASE II

Phase II is the Construction Phase of the project.

1. The total Period of Performance for Phase II is 270 calendar days.

2. The contractor shall request a Pre-Final Inspection Meeting not less than 14 calendar days prior to the intended date of the Pre-Final Meeting. The date of the Pre-Final Meeting must allow adequate time to correct all deficiencies and conduct the Final Inspection prior to the construction completion date. Coordinate with Section VIII.D, GANTT CHART SUBMITTAL. A contractor-provided punch list, including the status and projected completion date for all open items, shall accompany this Pre-Final Meeting request.

3. The contractor shall prepare the Interim DD Form 1354 in accordance with APPENDIX C, MSS, and Section VIII.E, DD FORM 1354 SUBMITTAL.

C. PHASE III

Phase III is the Closeout Phase of the project.

1. Phase III is 30 calendar days.

2. Phase III is not part of the period of performance and will be considered complete once all closeout documents and submittals have been received and approved by the Government.

3. As-Built drawings are required and shall be submitted in AutoCAD (2017 or later), as well as in PDF in accordance with Section VIII.C, DRAWING SUBMITTALS (Minimum Requirements).

IV. PHASE REQUIREMENTS

A. PHASE I (Design Phase)

1. After award, the contractor shall develop the accepted proposal into the completed design, as described herein.

2. Contractor shall request a Design Kick-Off Meeting prior to commencing design.

a. After Contract award, conduct the Design Kick-Off Meeting, and provide a record of the meeting. All Engineers/Designers of Record (EoR/DoR) must participate in the conference. The Contractor can request electronic files if not provided already.

b. The purpose of this meeting conference is to discuss and develop a mutual understanding of the design and administrative requirements of the Contract including but not limited to: the overall design, introductions of the contractor’s design team, engineers/architects of record, daily reporting, invoicing, safety, base-access, outage requests, hot work permits, schedule requirements, quality control, schedule of prices or earned value report, shop drawings, submittals, cybersecurity, prosecution of the work, government acceptance, final inspections and contract close-out.

c. Contractor must present and discuss their basic approach to scheduling the design and construction work and any required phasing.

3. Contractor shall provide the development of the intermediate design submittals to 100% Final Design documents. The stages of design submittals described below define requirements with respect to process and content. Determine how to best plan and execute the design and review process for the project, within the parameters listed below. Coordinate with Section VIII.D, GANTT CHART SUBMITTAL.

4. Contractor shall provide formal 65%, 95%, and 100% design submittals to include the material submittals process. Contractor shall include comments from any previous design conference to be incorporated into the documents.

5. The Contractor must coordinate with the Government in arranging a 65% and 95% design review meeting.

6. The Contractor’s design firm with representation from each discipline shall attend all design meetings.

7. The EoR/DoR shall be responsible for conducting the meeting and presenting all aspects of the design.

8. The contractor shall submit minutes of the review meeting within five (5) working days that details the discussion points and the contractor’s action plan for these discussion points as coordinated with Section VII.B, PROJECT DESIGN COORDINATION.

9. Contractor shall submit a Contract Progress Schedule, AF Form 3064, within 10 days of the issuance of Phase I NTP. The schedule shall include line-item breakdowns for design submittals and construction work elements as well as environmental permitting milestones, if applicable, pre-final inspection / punch list and close-out documents. This includes the 10% retention for closeout submittals.

10. All submittals shall be submitted electronically. A hard copy of the signed and sealed final drawings and permits shall be submitted as well.

B. PHASE II (Construction Phase) NTP to Phase II shall be issued upon:

1. The approval of all Phase I submittals, required permits, and 100% Final Design submittal.

2. Contractor shall request a Construction Kick-Off Meeting through 81 CONS.

a. Before starting any construction activities, conduct a Construction Kick-Off

Meeting with the Government to discuss any outstanding requirements and to review local installation requirements. Provide minutes of the meeting(s) to all participants

b. Participation by the Contractor and major subcontractor representatives is mandatory. All designers need not attend this meeting.

c. As a minimum, the following will be addressed during the conference:

determination and introduction of contact person and their authorities; contract administration requirements; discussion of expected project progress processes;

and coordination of subsequent meeting.

C. PHASE III (Closeout Phase)

1. Contractor shall provide all necessary approved close-out documents not limited to payrolls, progress reports, submittals, release of claims, and final AF Form 1354.

2. Refer to APPENDIX C, MSS and the document herein for additional close-out requirements.

V. LOCATION OF WORK

The place of performance shall be at Buildings 6950(Conner Manor) and 7404(Winters Manor) located at 6950 parade lane and 200 Ploesti Drive respectfully [This can be found on the CAD Drawing G-1.0] at Keesler Air Force Base (KAFB), Biloxi, Mississippi (MS) 39530 and/or as directed by the Contracting Officer.

VI. SCOPE

This Statement of Work (SOW) defines the scope for this contract. The work includes replacing air handler units (AHUs), make up air units (MAUs), and variable air volume (VAVs) in buildings 6950 and 7404. All work shall be phased to allow the facility to remain occupied during construction. Dorm rooms will be released a wing (floors 1st, 2nd, and 3rd) at a time. The Construction Manager will coordinate with Facility Manager on the number of Military Training Leader (MTL) offices released in each phase. Contractor to ensure occupied rooms are not to be disturbed during construction in adjacent spaces. All offerors are cautioned that the construction team is expected to spend an adequate amount of time at the facility prior to proposal submittal to fully assess the existing conditions to ensure that appropriate construction methods can be used to replicate the existing features in the proposed work.

Upon completion of Work, the Contractor must ensure all systems affected by the Work must be fully functional and operational for intended purpose.

If there is conflict between codes, requirements, and/or instructions, the most stringent governs and takes precedence.

The following scope is a summary of the project and is provided solely for the purpose of revealing the general nature of the work involved. The Contractor shall provide all design efforts, labor, materials, and equipment as generally outlined below and as specifically described and reasonably inferred in accompanying documents:A. MECHANICAL

1. DEMOLITION: Before beginning any removal, salvage, or demolition work, survey the site and examine the drawings and specifications to determine the extent of the work.

Take necessary precautions to avoid damage to existing historic items that are to remain in place, to be reused, or to remain the property of the Government. The contractor shall remove and dispose of all, but not limited to, the following to accommodate new construction:

a. AHUs, MAUs, and VAVs to be removed.

b. Existing chilled water supply and return piping and hot water supply and return piping back to the nearest isolation valve.

c. Add ball valves to the vertical risers (HWS and HWR) from the mains that extend in the attic to the rooms of that wing.

2. NEW WORK:

Contractor must be responsible for the professional quality and technical accuracy of the services furnished by the Contractor under this contract. All requirements are minimum. Contractor shall reference the mechanical drawings for supplementary information.

Provide a project design that meets the criteria and requirements identified in UFC 3-401-01. Consider mechanical compatibility with the local environment, functional requirements, economy of construction, energy conservation, and life cycle costs. Optimize special functionality, material quality, and maintainability of operations to meet intended functional requirements in the final design.

Contractor must verify dimensions and design, construct, and install items in adherence to the design intent presented herein and in the drawings. The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

a. UFC 1-200-01, DoD Building Code (General Building Requirements)

b. UFC 1-200-05, High Performance and Sustainable Building Requirements.

c. UFC 3-401-01, Mechanical Engineering

d. UFC 3-410-01, Heating, Ventilating, and Air Conditioning Systems.

e. UFC 3-410-02, Direct Digital Control for HVAC and Other Building Control

Systems

f. UFC 3-410-04, Industrial Ventilation

g. UFC 3-420-01, Plumbing Systems

h. UFC 3-430-01, FA Heating and Cooling Distribution Systems

i. UFC 3-470-01, Utility Monitoring and Control System (UMCS) Front end and

Integration.

j. UFC 3-600-01, Fire Protection Engineering for Facilities.

k. UFC 3-601-02, Fire Protection Systems Inspection Testing, and Maintenance.

l. UFC 3-530-01, Interior and Exterior Lighting Systems

m. NFPA, National Fire Protection Association.

n. UL, Underwriters Laboratories.

o. Compliance of all applicable codes.

p. UFC 1-200-02, High Performance and Sustainable Building Requirements

Work Areas are denoted on the Mechanical Drawings and shall be referenced herein.

3. GENERAL

a. The Contractor shall coordinate with inspector and user to locate lay-down area and review the existing conditions prior to mobilization.

b. Contractor shall set-up laydown area. Secure area with 6-foot chain link fencing with brown vinyl fabric.

c. Construct all barricades and egress protection covers.

d. The Contractor shall provide bathroom facilities for each site.

e. The Contractor shall plan to properly remove and store all equipment to be re-installed following the roof installation and shall be identified during design.

f. If removing the existing roofing or other existing components for the addition, remove only as much as can be recovered by the end of the workday, unless approved otherwise by the Contracting Officer. Do not attempt to expose the interior in threatening weather. Reseal all openings prior to suspension of work the same day.

g. Existing abandoned mechanical and communication lines.

h. Location of the dumpster container must be reviewed with building’s User to ensure the activities in the facility are not disrupted. See APPENDIX D, Design Requirements, for drawing submission location.

i. Weather Limitations Proceed with installation preparation only when existing and forecasted weather conditions permit Work to proceed without water entering into wall system or building.

j. Protection of Dissimilar Metals Where an aluminum component is in contact with, fastened to, or contacted by drainage from dissimilar metals other than stainless steel, give such dissimilar metals one of the following treatments:

i. A heavy brush coat of primer followed by two coats of aluminum metal and masonry paint.

ii. A heavy coat of alkali-resistant bituminous paint.

iii. Separate contact surfaces with non-absorptive tape or gasket.

k. Contact with Masonry Where aluminum is in contact with masonry, concrete, or plaster, apply a heavy coat of alkali-resistant bituminous paint.

l. Contact with Wood Where aluminum is in contact with wood or other absorptive material subject to wetting, or with wood treated with a preservative not compatible with aluminum, seal joints with sealing compound and apply one heavy brush coat of aluminum pigmented bituminous paint.

a. Provide surfaces suitable for painting.

b. Provide new, proposed coatings that are compatible with existing coatings.

c. Existing coated surfaces with minor defects

d. Sand, spackle, and treat minor defects to render them smooth. Minor defects are defined as scratches, nicks, cracks, gouges, spalls, alligatoring, chalking, and irregularities due to partial peeling of previous coatings.

B. PLUMBING

Not Used.

C. MECHANICAL: The contractor is responsible for constructing and installing all required equipment and materials in accordance with the following codes and standards:

1. Architectural Barriers Act (ABA)

2. ASHRAE Handbook of Fundamentals

3. ASHRAE Standard 62.1 “Ventilation for acceptable Indoor Air Quality”

4. ASHRAE 90.1 Energy Standard for Buildings except Low-Rise Residential

Buildings

5. ASHRAE 55 Thermal Comfort

6. SMACNA HVAC Duct Construction Standards, latest ed.

7. SMACNA HVAC Systems Commissioning Manual, latest ed.

8. SMACNA HVAC Air Duct Leakage Test Manual, latest ed.

9. EISA 2007, Energy Independence and Security Act of 2007

10. EPACT 2005, Energy Policy Act of 2005

11. Executive Order (EO) 13423 “Strengthening Federal Environmental, Energy, and

Transportation Management”

12. International Building Code (IBC)

13. International Mechanical Code

14. International Plumbing Code

15. National Fire Protection Association Standard 90A (NFPA 90A), Standard for the

Installation of Heating and Air Conditioning Systems

16. National Fire Protection Agency (NFPA) 1

17. Unified Facilities Criteria (UFC) 1-200-01, General Building Requirements

18. UFC 1-200-02, High Performance and Sustainable Building Requirements

19. UFC 3-410-01, Heating Ventilating and Air Conditioning Systems

20. UFC 3-420-01 Plumbing Systems

21. UFC 3-600-01, Design: Fire Protection Engineering for Facilities

22. UFC 4-010-01, DoD Minimum Antiterrorism Standards for Buildings

23. USACE Mobile District Design Manual, March 2007

24. Keesler AFB General Design Guidelines for Facility Construction and Renovation

(Latest Edition)

25. OSHA Regulations 29 CFR 1910 AND 29 CFR 1926

26. FEMP Federal Energy Management Program

27. Executive Order (EO) 13514 Federal Leadership in Environmental, Energy and

Economic Performance (Oct 2009)

28. Executive Order (EO) 13514 Federal Leadership in Environmental, Energy and

Economic Performance (Oct 2009)

29. FLHPSB - Federal Leadership in High Performance and Sustainable Buildings

MOU (HPSB) (issued 2006)

30. ASME Code for Pressure Piping

31. ASME Boiler and Pressure Vessel Code

32. National Environmental Balancing Bureau (NEBB) Standards for testing and balancing of HVAC.

33. Associated Air Balance Council (AABC) Standards for testing and balancing of

HVAC.

34. UFC 3-570-01, 28 November 2016, Cathodic Protection AGRAM 17-01 Change to AF New Construction and Major Renovation Certification Requirements (February 2017) changes guidance for 3rd Party Validation and use of Leadership in Energy and Environmental Design (LEED) from:

a. Air Force Sustainable Design and Development (SDD) Implementation

Guidance, memorandum dated 2 June 2011

b. Air Force Sustainable Design and Development (SDD) Policy letter (31 July 2007) ETL 08-13 Sustainable Design & Development and Facility Energy Attributes in AF Construction

All specifications stated below are in addition to all the above-mentioned design criteria.

When ambiguities or inconsistencies arise between Department of Defense (DOD), U.S.

Air Force Regulations, and Civilian Codes/Standards, IBC, ASHRAE, etc. the U.S. Air Force Regulations shall govern. If certain areas of design are not specifically addressed by the U.S. Air Force Regulations, the most conservative design requirements as defined by applicable codes or association standards and as determined by Government representative shall be used. Visit the existing facility and carefully examine those portions of the building affected by this work before submitting proposals, to become familiar with the existing conditions and difficulties that will affect the execution of the work. Submission of a proposal will be construed as evidence that such examination has been made. Contractor shall reference the mechanical drawings for supplementary information.

The Contractor shall be responsible for the professional quality and technical accuracy of all HVAC design documents and shall ensure construction meets all requirements of the approved design. Drawings, specifications, and other design documents upon which construction is based shall be coordinated with other disciplines to ensure compatibility of all building systems.

It shall be the contractors’ responsibility to verify occupancy and heat loads for all equipment prior to commencing work. The contractor shall submit, for review and approval, building HVAC load calculations and shall demonstrate sustainable design and energy use reduction. Heat gain and loss calculations shall be, as a minimum, in accordance with the ASHRAE Handbook of Fundamentals. Computer load calculations shall be provided and include complete input and output summaries. Cooling equipment shall be selected to meet the calculated load operating at 95 deg F ambient.

The design of the facility systems shall make use of the latest technology to provide equipment with the highest efficiency possible to achieve compliance with EPACT 2005 without compromising maintainability. Avoid placement of HVAC equipment on top of roofs.

1. GENERAL DESIGN PARAMETERS

a. Standard Design Conditions:

Outside:

Summer 92 Degrees FDB; 81 Degrees FWB Winter 31 Degrees FDB

b. Inside-General (Occupied):

Cooling 75 Degrees FDB Heating 68 Degrees FDB

50-60% RH

c. Inside-General (Un-occupied):

Cooling 85 Degrees FDB Heating 55 Degrees FDB

50-60% RH

d. Filtration Rates:

MERV 13 filters per ASHRAE 52-76 with MERV-8 pre-filters Maximum 350 feet per minute face velocity Construction filters shall be provided per High Performance Sustainable Building (HPSB) requirements.

e. Exhaust Rates:

Restrooms Minimum 75 cfm per fixture.

Janitor's Closets Minimum 1 CFM/Sq. Ft.

Maintain positive pressurization of building to overcome infiltration. Rate of 8% greater than exhaust volume.

f. Miscellaneous Loads:

Equipment Heat Load for Office Spaces and Other Areas: Include 1.0 watts per square foot (approx.) for miscellaneous office equipment loads and 1.0 watt per square foot (approx.) lighting load.

g. Outside Air Criteria:

Design facilities to comply with ASHRAE Standard 62.1 2010. The Contractor shall provide documentation describing the calculations and methodology for ventilation in accordance with ASHRAE 62.1 2010.

GENERAL NOTES:

a. These drawings (Appendix A) are diagrammatic, intended to show general locations of piping, and not necessarily showing in detail or to scale all the equipment, sizes, or exact locations.

b. Provide a one-year warranty on all mechanical, electrical, and controls labor and parts.

2. NEW WORK: Provide and install a complete mechanical system as seen on the construction documents.

a. Provide a complete testing, adjusting, and balancing (TAB) of the air distribution systems and water systems. A final NEBB or AABC Certified Report shall be submitted for review and approval 10 business days prior to substantial completion.

The test and balance work shall take place when the daytime high temperature is below 70 degrees F (winter season) and when the daytime high temperature is above 92 degrees F (summer season). Develop a commissioning plan to test all new controls.

i. Notify the project inspector prior to the start of TAB.

ii. Commissioning of the HVAC control system will consist of a commissioning narrative reviewed at the 65% design review meeting, followed by a commissioning plan and test performed by the commissioning authority, see MSS. The commissioning narrative ensures that the EOR, the commissioning agent and the Base are all on the same page as far as HVAC controls commissioning. The commissioning agent should review the commissioning narrative during the commissioning plan development.

iii. Develop a commissioning narrative prior to the 65% design review meeting and include on the DDC (Direct Digital Control) control plans to be reviewed at the 65% design review meeting. See Appendix B for a commissioning narrative example.

iv. Develop a commissioning plan to test all new controls. Use Associated Air Balance Council (AABC) ACG Commissioning Guideline as a guide and UFGS 01 91 00.15 as an aid for developing the commissioning plan. Submit the commissioning plan to be reviewed. The commissioning plan needs to include all functional performance testing (FPT) checklists and provide sufficient detail to clearly convey the commissioning intent. The commissioning agent needs to be certified in commissioning by one of the following: the AABC Commissioning Group (ACG); the National Environmental Balancing Bureau (NEBB); the International Certification Board/Testing, Adjusting, and Balancing Bureau (ICB/TABB), the Building Commissioning Association (BCA); the Association of Energy Engineers (AEE). The Commissioning Firm may employ a commissioning professional certified by the University of Wisconsin-Madison or the American Society of Heating, Refrigeration, and Air Conditioning Engineers (ASHRAE).

v. The commissioning agent must be independent of the DDC controls contractor.

vi. Notify the project inspector prior to the start of controls commissioning.

vii. Provide a new DDC controls system in accordance with the Keesler Design Guide. New controls work will utilize the Desigo or Metasys platforms.

viii. All DDC controls are to be non-proprietary per the Keesler Design Guide.

ix. The mechanical engineer of record (EOR) is required to personally conduct a site inspection. Submit signed site visit field inspection notes as a submittal.

See MSS.

D. FIRE SUPPRESSION

The contractor is responsible for constructing and installing all required equipment and materials in accordance and listed within the latest version of the codes, UFCs and Engineering Technical Letters (ETL) previously listed in the scope. The qualified fire protection engineer (QFPE) of record shall provide a complete Fire Protection Design Analysis, Shop Drawing Submittal and Components Submittal based on the latest UFC 3- 600-01 Fire Protection Engineering for Facilities and Applicable NFPA Standards. All specifications stated below are in addition to all the above-mentioned design criteria. When ambiguities or inconsistencies arise between Department of Defense (DOD), U.S. Air Force Regulations, and NFPA Codes/Standards, the U.S. Air Force Regulations shall govern. If certain areas of design are not specifically addressed by the U.S. Air Force Regulations, the most conservative design requirements as defined by applicable codes or association standards and as determined by government representative shall be used. Visit the existing facility and carefully examine those portions of the building affected by this work before submitting proposals, to become familiar with the existing conditions and difficulties that will affect the execution of the work. Submission of a proposal will be construed as evidence that such examination has been made. During the times that the fire alarm system or fire suppression system will be rendered non-functional in any manner, an approved/certified fire watch will be provided coordinated with the user and the inspector prior to shut down in accordance with any requirements of the Fire Marshal. The watch will be maintained during the times any part of the building is unoccupied. Contractor shall reference the fire protection drawings for supplementary information.

1. DEMOLITION: The contractor shall remove and dispose of all, but not limited to, the following to accommodate new construction:

Coordinate any fire system shutdown with the project inspector at least 10 working days prior to any commencement of work. The contractor shall submit a work request to the project inspector for the shutdown of the fire suppression system. A “Fire Watch” shall be required any time that the fire suppression system is not operational. Some work may be required to be performed after hours or on weekends to minimize interruptions. Coordinate any fire watch requirements with the project inspector.

2. NEW WORK:

a. All sprinkler heads that are exposed to ambient conditions shall have factory coatings with no impact to the sprinkler head temperature rating.

E. ELECTRICAL

The contractor is responsible for constructing and installing all required equipment and materials in accordance with the latest version of the National Fire Protection Agency (NFPA) 70E, 2011 National Electrical Code (NEC), NFPA 101, Unified Facilities Criteria (UFC) 3-501-01, UFC 3-530-01. All specifications stated below are in addition to all the above-mentioned design criteria. When ambiguities or inconsistencies arise between Department of Defense (DOD), U.S. Air Force Regulations, and Civilian Codes/Standards, the U.S. Air Force Regulations shall govern. If certain areas of design are not specifically addressed by the U.S. Air Force Regulations, the most conservative design requirements as defined by applicable codes or association standards and as determined by government representative shall be used. Visit the existing facility and carefully examine those portions of the building affected by this work before submitting proposals, to become familiar with the existing conditions and difficulties that will affect the execution of the work.

Submission of a proposal will be construed as evidence that such examination has been made. During the times that the fire alarm system will be rendered non-functional in any manner, an approved/certified fire watch will be provided coordinated with the user and the inspector prior to shut down in accordance with any requirements of the Fire Marshal.

The watch will be maintained during the times any part of the building is occupied.

VII. PROJECT COORDINATION

A. GENERAL COORDINATION

1. All construction shall be properly coordinated to minimize disruptions.

2. No work shall take place on site until the AF Form 103 Work Clearance Permit and other applicable submittals are approved.

3. For construction requiring permits, work shall not commence until all permits are secured and provided to BOS/CEV. For projects involving the installation of drinking water and sanitary sewer utilities and their associated facility lines/fixtures, use of the newly constructed system shall be prohibited until approved by the regulatory agency.

The only exception is for testing purposes.

4. In accordance with FAR 52.236-3, the Contractor acknowledges that it has taken steps reasonably necessary to ascertain the nature and location of the work, and that it has investigated and satisfied itself as to the general and local conditions 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 conformation and conditions of the ground;

and (5) the character of equipment and facilities needed preliminary to and during work performance. 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 Government, as well as from the drawings and specifications made a 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, or for proceeding to successfully perform the work without additional expense to the Government. The Government assumes no responsibility for any conclusions or interpretations made by the Contractor based on the information made available by the Government. Nor does the Government assume 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.

5. REFERENCE DRAWINGS

APPENDIX A As-Builts (35% Drawings) are intended only to show the original construction. Drawings are the property of the Government and shall not be used for any purpose other than that intended by the contract.

6. CONTRACT DRAWINGS AND SPECIFICATIONS

The project is pursuant to contract clause "DFARS 252.236-7001, Contract Drawings and Specifications” as provided. Omissions from the drawings or specifications or the misdescription of details of work that are manifestly necessary to carry out the intent of the drawings and specifications, or that are customarily performed, shall not relieve the Contractor from performing such omitted or misdescribed details of the work. The Contractor shall perform such details as if fully and correctly set forth and described in the SOW, drawings, and specifications.

7. UFC 1-200-01 DoD BUILDING CODE IMPLEMENTATION, ADMINISTRATION, AND ENFORCEMENT

a. In accordance with UFC 1-200-01 Section 1-3.1, and their referenced codes and

Criteria are effective upon issuance for projects as follows:

i. Design-Bid-Build projects that have not proceeded beyond 35% design completion.

ii. Design-Build projects that have not proceeded beyond date of Request for

Proposal (RFP) issuance. When an RFP is issued in multiple phases or steps use the date of the last phase of the RFP issuance.

iii. Projects that have a delay, either planned or unintentional, of more than 18 months between design completion and the solicitation of offers for construction must be re-evaluated to determine if any design revision is necessary due to changes in criteria (including codes and standards) or site infrastructure (for example, water supply for fixed fire suppression systems, water for hose stream allowances, or fire department vehicle access). Note: The evaluation must also include retroactive requirements that have been included in the new editions of the criteria.

B. PROJECT DESIGN COORDINATION

1. The Contractor shall schedule the remaining Design Phase Submissions with the following considerations and applicable design deliverables noted in Table 1:

a. 65% Design Submission

i. Contractor shall provide a 65% design in accordance with Design Requirements (APPENDIX D). Allow 14 calendar days for Government review of the 65% design submittal. Upon completion of Government review of the 65% design, the Government will provide copies of their preliminary comments to the contractor.

ii. Upon Government receipt of the 65% design, Contractor shall coordinate with 81CONS to schedule a 65% Design Review Meeting (DRM) at Keesler AFB.

Contractor shall be responsible for providing meeting minutes within five calendar days.

iii. The Contractor shall revise the design package to incorporate the comments generated and resolved, perform, and document a back-check review and submit the next design package.

b. 95% Design Submission

i. Upon Government approval of the 65% Design, Contractor shall provide the 95% Design Submittal in accordance with Design Requirements (APPENDIX D). Allow 14 calendar days for Government review of the 95% design submittal. Upon completion of Government review of the 95% design, the Government will provide copies of their preliminary comments to the contractor.

ii. Upon Government receipt of the 95% design, Contractor shall coordinate with 81 CONS to schedule a 95% DRM at Keesler AFB. Contractor shall be responsible for providing meeting minutes.

iii. The Contractor shall revise the design package to incorporate the comments generated and resolved, perform, and document a back-check review and submit the next design package. Annotate and resolve all comments prior to the next submittal. 100% Design Phase

c. 100% Design Submission

i. Upon Government approval of the 95% Design, Contractor shall provide the

100% Design Submittal in accordance with Design Requirements (APPENDIX D). Allow 14 calendar days for Government review of the 95% design submittal. Upon completion of Government review of the 95% design, the Government will provide copies of their preliminary comments to the contractor.

ii. The 100% final design must be signed and sealed by a Mississippi registered Professional Engineer/Architect of the discipline in which they are signing and sealing. If required, the Contractor shall revise the design package to incorporate the comments generated and resolved, perform, and document a back-check review and submit the next design package.

d. The Government reserves the right to disapprove design document submittals if comments are deemed significant, the design is incomplete and/or found to be deficient. The submittal will be disapproved and shall be re-submitted by the contractor without additional time.

2. REVIEW COMMENTS

Annotate and resolve all comments prior to the next submittal. Include the comments and responses in the design analysis for record in the next design submittal for the package.

a. Upon review of comments prior to the DRM, the EoR/DoR(s) evaluate the comments. Include exactly what action will be taken or why action is not required.

b. After the DRM, the EoR/DoR(s) formally respond to each applicable comment in a second time, prior to the next submittal, clearly indicating what action was taken and what drawing/spec/analysis changed. With the next design submittal, reviewers shall back-check answers to the comments against the new submittal, in addition to reviewing additional design work.

3. GOVERNMENT CONFORMANCE REVIEW OF DESIGNS

The Government shall review all intermediate and final design submittals for conformance with the contract requirements. The Contractor is responsible for the final, fully-functioning, code-compliant design.

4. VARIATIONS FROM THE ACCEPTED DESIGN

a. EoR/DoR approval and the Government's concurrence are required for any proposed variation from the accepted design that still complies with the contract before the Contractor is authorized to proceed with material acquisition or installation. If necessary to facilitate the project schedule, before official submission to the Government, the Contractor and the EoR/DoR may discuss with the Contracting Officer a submittal proposing a variation. However, the Government reserves the right to review the submittal before providing an opinion.

In any case, the Government will not formally agree to or provide a preliminary opinion on any variation without the DOR's approval or recommended approval.

The Government reserves the right to reject any design, variation that may affect furniture, furnishings, equipment selections, or operational decisions that were made, based on the reviewed and concurred design.

b. Warranting that Variations are Compatible.

When delivering a variation for approval, the Contractor warrants that this contract has been reviewed to establish that the variation, if incorporated, will be compatible with other elements of work.

5. ENGINEER/DESIGNER OF RECORD (EOR/DOR)

a. Defined by the professional Registered members of the Contractor’s Design-Build

(D-B) team that check, approve, sign, date, and certify, prior to submitting the deliverables to the Government, that the D-B design submittals comply with the contract requirements.

b. The EOR/DOR's stamp, sign, and date each design drawing and other design deliverables under their responsible discipline at each design submittal stage. The EOR/DOR(s) are responsible for maintaining the integrity of the design and for compliance with the contract requirements through construction and documentation of the as-built condition by coordination, review and approval of extensions of design, material, equipment and other construction submittals, review and approval or disapproval of requested deviations to the accepted design or to the contract, coordination with the Government of the above activities, and by performing other typical professional design responsibilities.

c. In accordance with FAR 52.236-23, the Contractor shall be responsible for the professional quality, technical accuracy, and the coordination of all designs, drawings, specifications, and other services furnished by the Contractor under this contract. The Contractor shall, without additional compensation, correct or revise any errors or deficiencies in its designs, drawings, specifications, and other services.

6. DESIGN QUALITY CONTROL

Design And Code Checklists: Develop and utilize appropriate discipline-specific checklists during the design and quality control of each submittal.

C. PROJECT CONSTUCTION COORDINATION

1. Items To Remain in Place

Take necessary precautions to avoid damage to existing items to remain in place, to be reused, or to remain the property of the Government. Repair or replace damaged items as approved by the Contracting Officer. Coordinate the work of this section with all other work indicated. Construct and maintain shoring, bracing, and supports as required.

Ensure that structural elements are not overloaded. Increase structural supports or add new supports as may be required because of any cutting, removal, deconstruction, or demolition work performed under this contract. Do not overload structural elements or pavements to remain. Provide new supports and reinforcement for existing construction weakened by demolition, deconstruction, or removal work. Repairs, reinforcement, or structural replacement require approval by the Contracting Officer prior to performing such work.

2. Existing Construction Limits and Protection Do not disturb existing construction beyond the extent indicated or necessary for installation of new construction. Provide temporary shoring and bracing for support of building components to prevent settlement or other movement. Provide protective measures to control accumulation and migration of dust and dirt in all work areas.

Remove dust, dirt, and debris from work areas daily.

3. Weather Protection For portions of the building to remain, always protect building interior and materials and equipment from the weather. Where removal of existing roofing is necessary to accomplish work, have materials and workmen ready to provide adequate and temporary covering of exposed areas.

4. Utility Service Maintain existing utilities indicated to stay in service and protect against damage during demolition and deconstruction operations. Prior to start of work, Contractor shall coordinate with the Government shutdowns or outages.

5. Facilities Protect electrical and mechanical services and utilities. Where removal of existing utilities and pavement is specified or indicated, provide approved barricades, temporary covering of exposed areas, and temporary services or connections for electrical and mechanical utilities. Floors, roofs, walls, columns, pilasters, and other structural components that are designed and constructed to stand without lateral support or shoring, and are determined to be in stable condition, must remain standing without additional bracing, shoring, or lateral support until demolished or deconstructed, unless directed otherwise by the Contracting Officer. Ensure that no elements determined to be unstable are left unsupported and place and secure bracing, shoring, or lateral supports as may be required as a result of any cutting, removal, deconstruction, or demolition work performed under this contract.

6. Dust and Debris Control Prevent the spread of dust and debris to occupied portions of the building and avoid the creation of a nuisance or hazard in the surrounding area. Do not use water if it results in hazardous or objectionable conditions such as, but not limited to, ice, flooding, or pollution. Vacuum and dust the work area daily or as approved by the Contracting Officer.

7. Protection of Personnel Before, during and after the demolition work continuously evaluate the condition of the structure being demolished and take immediate action to protect all personnel working in and around the project site. No area, section, or component of floors, roofs, walls, columns, pilasters, or other structural element will be allowed to be left standing without sufficient bracing, shoring, or lateral support to prevent collapse or failure while workmen remove debris or perform other work in the immediate area.

8. Relocations Perform the removal and reinstallation of relocated items as indicated with workpeople skilled in the trades involved. Repair or replace items to be relocated which are damaged by the Contractor with new undamaged items as approved by the Contracting Officer.

9. Existing Conditions Before beginning any demolition or deconstruction work, survey the site and examine the drawings and specifications to determine the extent of the work. Record existing conditions in the presence of the Contracting Officer showing the condition of structures and other facilities adjacent to areas of alteration or removal. Photographs sized 4 inch will be acceptable as a record of existing conditions. Include in the record the elevation of the top of foundation walls, finish floor elevations, possible conflicting electrical conduits, plumbing lines, alarms systems, the location and extent of existing cracks and other damage and description of surface conditions that exist prior to before starting work. It is the Contractor's responsibility to verify and document all required outages which will be required during work, and to note these outages on the record document.

Submit survey results.

10. Masonry Sawcut and remove masonry to prevent damage to surfaces to remain and to facilitate the installation of new work. Where new masonry adjoins existing, the new work shall abut or tie into the existing construction as specified for the new work. Provide square, straight edges and corners where existing masonry adjoins new work and other locations.

11. Patching Where removals leave holes and damaged surfaces exposed in the finished work, patch and repair these holes and damaged surfaces to match adjacent finished surfaces, using on-site materials when available. Where new work is to be applied to existing surfaces, perform removals and patching in a manner to produce surfaces suitable for receiving new work. Finished surfaces of patched area shall be flush with the adjacent existing surface and shall match the existing adjacent surface as closely as possible as to texture and finish. Patching shall be as specified and indicated, and shall include:

a. Concrete and Masonry: Completely fill holes and depressions, caused by previous physical damage, or left as a result of removals in existing masonry walls to remain, with an approved masonry patching material, applied in accordance with the manufacturer's printed instructions.

b. Patch acoustic lay-in ceiling where partitions have been removed. The transition between the different ceiling heights shall be affected by continuing the higher ceiling level over to the first runner on the lower ceiling and closing the vertical opening with a painted sheet metal strip.

12. Existing Work In addition to FAR 52.236-9 Protection of Existing Vegetation, Structures, Equipment, Utilities, and Improvements:

a. Remove or alter existing work in such a manner as to prevent injury or damage to any portions of the existing work which remain.

b. Repair or replace portions of existing work which have been altered during construction operations to match existing or adjoining work, as approved by the Contracting Officer. At the completion of operations, existing work must be in a condition equal to or better than that which existed before new work started.

D. PROJECT PHASING

1. One AHU will be demoed and the replacement AHU installed and started at a time.

2. The Contractor shall coordinate with the inspector and the Government to ensure the construction or demolition does not affect user events.

3. INTERFERENCE

a. The Contractor shall always follow all base security procedures.

b. Sections of the building not under construction shall remain open and functioning during the entire period of performance.

c. The Contractor shall be responsible for maintaining natural gas, electricity, sewer, and water to the area always during construction.

4. OCCUPANCY OF PREMISES

a. The Contractor shall be working in an existing building which is occupied.

b. Before work is started, arrange with the Contracting Officer a sequence of procedure, means of access, space for storage of materials and equipment, and use of approaches, corridors, and stairways.

c. Follow plan phasing requirements to ensure that there are adequate operational facilities at all times to area users.

d. Existing area emergency exits cannot be locked, blocked, or obstructed at any time during construction.

e. The existing buildings and their contents must be always kept secure. Provide temporary closures as required to maintain security as directed by the Contracting Officer.

f. Provide dust covers or protective enclosures to protect existing work that remains during the construction period.

g. Relocate movable furniture approximately six (6) feet away from the Contractor's working area as required to perform the work, protect the furniture, and replace the furniture in their original locations upon completion of the work.

E. AVAILABILITY OF WORK AREAS

1. Project work area(s) will be available for contract work between 7:00 A.M. (0700) and

5:00 P.M. (1700) on Monday through Friday (excluding Federal holidays).

2. After hours and weekend/holiday work may be required. Work outside regular working hours requires Contracting Officer approval. Make application seven (7) calendar days prior to such work to allow arrangements to be made by the Government for inspecting the work in progress, giving the specific dates, hours, location, type of work to be performed, contract number and project title. Based on the justification provided, the Contracting Officer may approve work outside regular hours. During periods of darkness, the different parts of the work must be lighted in a manner approved by the Contracting Officer.

3. The Contractor shall coordinate the schedule, movement, and inspection of all truck convoys through Base gates with Keesler Security Forces Squadron (SFS) and Civil Engineer Squadron (CES). The Contractor is forewarned that convoy access during peak hours of gate operations may be limited. Peak hours typically occur between 0630 and 0830 hours, and between 1530 and 1730 hours.

4. CONTRACTOR ACCESS AND USE OF PREMISES

Ensure that Contractor personnel employed on the Activity become familiar with and obey Activity regulations including safety, fire, traffic, and security regulations. Keep within the limits of the work and avenues of ingress and egress. Wear appropriate personal protective equipment (PPE) in designated areas. Do not enter any restricted areas unless required to do so and until cleared for such entry. Ensure all Contractor equipment, include delivery vehicles, are clearly identified with their company name.

F. SURVEY MONUMENTS

Any survey monuments damaged or removed as a part of this construction shall be replaced by the Contractor at no additional expense to the Government.