AJXF 20-1547 Repair HVAC Boiler-Bldg 3500 SOW (Revised).docx

Repair HVAC / Boiler: Building 3500 Statement of Work for

JOINT BASE ANDREWS

Design Build Project

Project AJXF 20-1547 Repair HVAC/Boiler-Bldg 3500

April 06, 2020

Base Civil Engineering

11 CES/CEPM

3710 Fetchet Avenue Joint Base Andrews MD 20762-4803

STATEMENT OF WORK

Repair HVAC/Boiler-Bldg 3500 Project Location: Joint Base Andrews, Maryland Base Project Number: AJXF 20-1547

1.0 introduction The work is to be performed under the Statement of Work (SOW) contained herein.

2.0 SCOPE OF WORK

The scope of work covered by these specifications consists of providing all engineering, labor, materials, equipment, supervision and effort necessary to repair HVAC system in building 3500 at Joint Base Andrews, Maryland, in accordance with the current Unified Facilities Criteria (UFC) and the following applicable Codes:

0. UFC Index https://www.afcec.af.mil https://www.wbdg.org/ffc/dod/unified-facilities-criteria-ufc https://www.wbdg.org

0. The UFC includes:

1. Fire protection and life safety requirements: UFC 3-600-01 Design: Fire Protection Engineering for Facilities.

1. Air Force Anti-Terrorism: UFC 4-010-01 DoD Minimum Antiterrorism Standards for Buildings.

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

0. Joint Base Andrews Architectural Compatibility Plan, dated Dec 04 and Joint Base Andrews Special Conditions Section 01012.

0. Accessibility: Uniform Federal Accessibility Standards (UFAS) and the Americans with Disabilities Act Accessibility Guidelines for Buildings and Facilities (ADAAG) https://www.access-board.gov/guidelines-and-standards

0. Structure: Existing structures: UFC 3-600-01 and ASCE 11-99, Guidelines for Structural Condition Assessment of Existing Buildings http://www.asce.org; Design loads and Roof Systems Management: ASCE 7-98, AF132-1051- Minimum Design Loads for Buildings and Other Structures http://www.asce.org

0. Electrical: NFPA 70, National Electrical Code, current edition www.nfpa.org

0. Mechanical: International Mechanical and Plumbing Codes, ASHREA, National Fuel Gas Code NFPA 54.

0. Communications and Information System Criteria: ETL 02-12, UFC 4-010-01, CITS- ITSl_bpd-30Jan03.doc and Andrews Communications Site Specific Standard 1 July 06. Insure all contracts shall include the installation of all communications required by all new and renovation construction projects in accordance with authorities noted.

0. Sound transmission: ASTM E336-97, ASTM E1007-97, ASTM E90-99 and ASTM E492-90 www.astm.org

0. Roofing: Roofing and Waterproofing Manual 1008C, current edition http://www.nrca.net/.

0. Executive Order 13101: Greening the Government through Waste Prevention, Recycling and Federal Acquisition

0. U.S. Environmental Protection Agency - Comprehensive Procurement Guidelines (CPG) https://www.epa.gov

0. Design Criteria for prevention of mold: ETL 04-3 (Ref site in #1), Interim Policy and Guidance for the Prevention, Surveillance and Remediation of Water Damage and Associated Mold Contamination in Air Force (AF) Facilities

0. Security: Information Security Program DoD 5200.1-R

0. Facility Requirements: AFMAN 32-1084 Facility Requirements.

0. Federal Energy Management Program https://www.eere.energy. /femp/about/legislation.cfm

0. The Maryland Occupational Safety and Health Program https://www.dllr.state.md.us/labor/mosh/

· National fire protection Association, NFPA 33.

· Occupational safety and health Act (OSHA).

2.1 General Description of Scope of Work

The following sections provide a general description and information about the HVAC and boiler repair and replacement in building 3500. The contractor shall provide all engineering, labor, materials, equipment, and effort necessary to provide an operational system(s) in accordance with this scope of work.

2.1.1 General Scope of Work for HVAC:

· This is a “Replace in Kind” project. The Contractor shall submit shop drawings and materials/equipment submittals for government review and approval prior to demolition and installation.

· The Contractor shall carry out a detailed survey and analysis of the existing HVAC system in the building and come up with an effective approach to carry out the scope of work. The Contractor shall provide necessary assessment actions and data collection necessary prior to providing the intended demolition and new work. The Contractor shall provide work plan submittals, cut sheets, shop drawings and specifications to the Government for review and approval prior to initiating any intended demolition, equipment purchase, installation, construction, and/or repair actions.

· HVAC

· Remove and replace five 66 MBH pulse boilers with new high-efficiency boilers. Contractor shall verify if existing concrete pads are compatible with new boilers, if not, contractor shall install new concrete pads to accommodate the size and the weight of new boilers.

· Contractor shall verify if existing pumps to remain are compatible with new selected boilers.

· Replace and reconfigure existing piping, flues, dampers and controls to accommodate the proper function of the new high-efficiency boilers.

· Contractor shall design and properly size necessary system components for life cycle replacement of the existing boilers.

· Install new 320 Ton Trane air-cooled chiller with new concrete pad adjacent to existing chiller to remain, and connect new chilled water pipes to existing chiller piping system refrigerant relief piping, and valves as referred in attached drawing, reinsulate all existing and new chilled water piping and fittings in mechanical room.

· The contractor shall coordinate phasing sequence for chiller with the building staff/facility manager to minimize chiller downtime, refer to attached drawing for sequence of operation.

· Construct concrete/brick partition between added chiller unit and existing unit. Refer to attached drawing.

· Construct and install chain link steel service maintenance gate for access in HVAC chiller yard. The gate sufficiently sized to allow repair and when needed an install and removal of the chiller unit.

· Remove and replace existing 20 Ton Trane rooftop DX cooling unit serving the Crisis Action Team (CAT) along with associated piping, valves and fittings as required.

· Remove and replace existing 30 Ton rooftop DX /Air handler unit serving the large amphitheater room that can hold up to 400 people along with associated piping, valves, and fittings as required.

· Reinsulate all new pipes, valves, and fittings for all the DX units replaced in this project.

· The contactor shall verify if roof curbs/pads are adequate for new selected units and shall replace if required.

· The contractor shall properly size necessary system components for life cycle replacement of the existing DX units and new chiller.

· Install new energy management control system to all new components and connect to Joint base Andrews EMC system.

· The contractor shall provide the power and disconnecting means required for the new selected mechanical equipment in compliance with the NEC.

· Contractor shall verify if the existing power system can handle new equipment.

· Contractor shall provide required power for mechanical equipment panel if required to accommodate new electrical loads.

· The contractor shall submit manufacturer’s or technical drawings/schematics for fabrication and assembly of structural elements, form fit and attachment details for installation of materials/equipment

· The Contactor shall submit design calculations to substantiate proposed layout and sizing of utilities and structural elements (i.e., HVAC loads, electrical loads, Platform supports, etc.)

· Upon completion of installation of HVAC system, the contractor shall test and balance the system flows and submit the test and balance report to the Government for review.

· The Contractor shall complete all inspection and commissioning requirements prior to final inspection. Following final inspection, the Contractor shall deliver to the Government the O & M manual, warranty and verified as-built drawings in both hard copy and reproducible format.

· The Contractor shall provide O & M training to HVAC shop personnel no later than 15 days after final inspection.

· The Contractor shall provide all required installation equipment such as forklift, crane and other lifting equipment.

· The Contractor shall protect building, roads, streets, sidewalks, driveways, curbs, trees, shrubs, lawns and all landscape work from damage. Any damaged property shall be repaired and replaced at the Contractor’s expense.

· The Contractor shall protect all furniture, carpeting, flooring, doors, door facings, ceilings, windows, and interior walls from damage. Any damaged item(s) shall be repaired or replaced at the Contractor’s expense.

· The Contractor shall protect all existing equipment, ductwork, wiring, and cabling and shall make all necessary repairs or replacement in case of damage at the Contractor’s expense.

The contractor shall ensure that only qualified, competent personnel carry out the tasks outlined in this SOW. Competent is defined as registered professional or, where registration is not applicable, trained and / or certified in their respective field.

3.2 United States Air Force Property

All materials gathered and / or developed in the performance of these tasks listed shall be returned to and become property of the Air Force; and shall not be used and / or distributed by the contractor without specific written permission of the Contracting Officer’s Representative (COR).

3.3 Construction Requirement

The project shall conform to all applicable Federal, State and local laws, regulations and base-specific standards and applicable Unified Facilities Criteria (UFC). Where there is a conflict between the referenced standards, the most stringent shall take precedence. All work accomplished by the contractor shall comply with these criteria unless a waiver is obtained from the United States Air Force when conditions warrant such consideration.

The Kickoff meeting shall be held at Joint Base Andrews, MD within seven (7) calendar days of notice to proceed (NTP). The contractor shall also avail themselves for a short “charrette” on the day of, or the day after, the Kickoff Meeting. The “charrette” shall allow the Government and/or Contractor to discuss any specific concerns not previously addressed. This meeting will include a complete overview of the project and implications and will be presented to the relevant base staff and POCs. The charrette shall not be concluded until the Contractor generates a complete, workable concept. The Government will be represented by the 11CES/CENM Project Manager, and the Facility Manager.

4.1.2 Verification of Existing Conditions and Site Survey

Use of existing condition data provided by the United States Air Force conveys acceptance and as such does not relieve the Contractor of liability associated with performance as the Engineer of Record. The Contractor shall be solely responsible for verification and validation of existing conditions, coordination of existing conditions in parallel with proposed requirements, and above and below-grade condition assessments. The Contractor shall visit the premises and take into consideration all conditions which might affect the work. No consideration will be given to any claims based on lack of knowledge of existing conditions.

4.1.3 Implementation Work Plan (IWP)

Within 45 calendar days of the “kick off” meeting, the Contractor shall provide the IWP for signature and acceptance by the Government. All necessary documents shall include shop drawings, specifications, cut sheets, and equipment information, along with final construction schedule and methodology (phasing plan for construction work).

4.1.3.1 Phasing Plan for Construction Work

The phasing plan for construction shall include:

a). The project does not require the incorporation of a phasing plan for construction work into most of the project area. However b). The Contractor shall phase their work, in coordination with the installation, to minimize disruption to existing meeting room area. A phasing plan shall be submitted to the COR for review and approval. A written notice must be provided to the COR not less than 10 days prior to making tie-ins to the new DX/Air handling unit. The Amphitheatre may only be taken out of service once for 7 continuous days including weekend. The Contractor can work weekends and work extended hours provided coordination and approval has been obtained with Government onsite

4.1.4 Base Specific Requirements

The replacement of parts of the HVAC system shall be compatible with all United States Air Force and Joint Base Andrews Guidelines. The Contractor shall also comply with specific Joint Base Andrews documents listed below, which shall be provided to the Contractor by the Government upon request.

a) Joint Base Andrews Architectural Compatibility Plan

b) Joint Base Andrews Special Conditions

c) Joint Base Andrews Environmental Specifications

4.1.5 Hazardous Materials Surveys

The proposed work area is not known to have hazardous materials. However, hazardous materials survey is required, the Contractor shall meet with the Base Environmental Shop to go over proposed construction actions and ascertain that no Environmental Sites will be affected, and so state.

4.2 Construction Phase

Upon the approval of the Contracting Officer and written notice to proceed (NTP), the Contractor may commence on-site construction activities. The Contractor shall complete the work as described below:

4.2.1 On-Site Field Oversight

The Contractor shall provide the manpower, equipment, material, services, and transportation necessary to ensure oversight services throughout accomplishment of this contract. It is the responsibility of the Contractor to establish and maintain open communications between salient authorities associated with accomplishment of this contract.

4.2.2 Contractor Operational Hours

The Contractor shall establish a work schedule, which requires work to be performed from 7:00AM to 4:00PM, Monday through Friday. The Contractor shall provide to the Contracting Officer in writing any request to work additional hours (overtime), within 48 hours prior to the requested time interval.

5.0 GOVERNMENT FURNISHED ITEMS

The following is a list of specific items of support that the 11 CES / CENMP will provide:

5.1 Staging Area

The base CE will identify space on the jobsite or in a base contractor staging area where the contractor may deliver and store nonhazardous materials within the installation.

5.2 Existing Plans

The Base CE will provide the contractor access to any available existing engineering plans, as-built drawings, diagrams, aerial photographs, digitized map files, etc., to facilitate evaluation of the site/building, as needed. Use of any such available existing engineering plans, as-built drawings, diagrams and other data provided by the Air Force does not relieve the contractor of his/her responsibility for field measurement, verification and validation of existing conditions in the effort of developing their own necessary design/construction drawings for this project.

5.3 Base Requirements

The Base CE will advise the contractor of the location and processes to obtain the following as needed:

a). Personnel identification badges, vehicle passes, and / or entry permits.

b). Information on base fire prevention / security practices and procedures.

c). Access to utilities (electrical, water, sewer, phone, etc.)

d). Security escorts for work in restricted areas.

5.4 Contracting Officer Representative (COR)

The Base CE will provide a COR who will expeditiously review and certify the Contractor’s progress by signing AF Form(s) 3064 and 3065 and monthly Status Reports for the Contractor. (Note: If the COR does not agree that the progress is as represented by the Contractor they shall return the documents to the Contractor for correction.)

6.0 CONTRACT PROGRESS SCHEDULE (AF 3064)

The contractor shall submit a signed AF 3064, Contract Progress Schedule, depicting an overall contract progress schedule (solid line) for the main work elements for the period of performance as described in the Table of Deliverables below. The progress schedule shall be signed by either the COR or the Contract Construction Inspector (CCI) recommending approval and then approved by the Contracting Officer. If the contractor requires reimbursement of a high dollar value item, the item shall be identified on the AF 3064, an appropriate percentage will be bilaterally approved, applied, and the item must be received and stored on site before it’s paid for. The Contractor shall submit an updated AF 3064, when applicable (i.e., additional work, time extension) for approval.

6.1 Contract Progress Report (AF 3065)

The Contractor shall submit AF 3065 as described in the Table of deliverables below. This report shall be signed by the Contractor’s on-site representative. The work elements and percentages of the total job identified on the AF 3065 shall be identical to the work elements and percentages on the AF 3064. The Contractor shall obtain either the COR or the CCI’s acceptance by signature of the actual reported progress prior to submission to the Contracting Officer. The report shall also include the following:

a). Current project status.

b). Expected work activities for the following month.

c). Problems and/or concerns.

d). Updated submittal register (AF Form 66) Each invoice shall be accompanied by an AF 3065 signed by the COR or the CCI. The AF 3065 and invoice shall all cover the same time period.

6.2 Monthly Reports

A Monthly Status Report (MSR) shall be submitted to the COR/CCI, on the 15th day of each month. These progress reports shall communicate activities accomplished during the previous period including:

a). Provide photographic documentation.

b). Documentation discussions/meetings.

c). Identification of problems and proposed solutions.

d). Corrective actions taken.

e). Outstanding issues.

f). Planned actions for the next few weeks.

g). Record of issues and concerns.

6.3 Format for Deliverables

An electronic copy of all deliverables shall be provided, formatted for use on the latest version and compatible with the Government’s version of Microsoft Word, Excel, Adobe Acrobat and AutoCAD. All deliverables shall also be dated. The Contractor will be provided samples of the deliverables, upon request.

6.3.1 Permits

The contractor shall develop, coordinate, and, apply for and obtain all applicable permits, access (including off-base easements and leases), agreements, licenses, and certificates required to perform and complete effort as specified under each TO.

The contractor shall maintain a library of these documents at the contractor’s site office as well as the corporate facility handling each TO. The contractor shall comply with all applicable permit conditions, and shall keep all permits “current” until construction is 100% complete. The contractor may be required to provide the permits to the Government as required.

6.3.2 Work Plan Submittal Requirements

In addition to the requirements of applicable UFC’s, the IWP package shall include the following:

a). Executive summary.

b). Table of Contents.

c). Minutes and sign-in sheets of all meetings pertaining to the development of the requirements.

d). Previous Government review comments and Contractor responses.

e). All appropriate engineering calculations.

f). Shop drawings and specifications.

g). Cut sheet / equipment information.

h). Construction methodology and approach.

6.3.3 Pre-Final Inspection

The Contractor shall conduct a pre-final walk through inspection with Base personnel and publish the Pre-Final Inspection findings in a Pre-Final inspection (Punch List) Report. The Contractor shall include a Draft DD Form 1354, Transfer and Acceptance of Real Property to the COR for review.

6.4 Final Inspection

The Contractor shall conduct a Final Inspection with Base personnel and publish the findings in a Final Inspection Report. The inspection shall concentrate on the items identified at the Pre-Final Inspection and recorded in the Pre-Final Inspection (Punch List) Report. A Final Inspection shall not be performed until all Pre-Final Inspection (Punch List) Report issues have been resolved. At the Final Inspection, the Contractor shall present a completed DD Form 1354, Transfer and Acceptance of Real Property to the ANGRC Base Civil Engineer (BCE) for signature and acceptance.

7.0 CONTRACT ADMINISTRATION / POINTS OF CONTACT

Notwithstanding any of the provisions of this contract, the CO shall be the only individual authorized to amend or modify the terms of this contract in any manner.

8.0 DELIVERABLES

Project deliverables shall be as shown in the table below. A description of each deliverable follows:

TABLE OF DELIVERABLES

Document Title

Kick-Off Meeting

7 calendar days after NTP

9.0 WARRANTY:

1. The Contractor shall provide a one (1) year warranty on labor and materials in addition to manufacturer warranties. The warranty shall be issued in accordance with FAR 52.246-21.

2. Provide copies of any manufactures warranties.

10.0 CLOSE-OUT OF PROJECT:

The Contractor shall turn over as-built drawings, building information checklist (UFC 1-300-08), system pre-commission check list/commission checklist, system leak test report, air and water balancing report, and system operational test report.

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