Statement of Work V4_Redacted.pdf

Statement of Work EMI Chamber B HVAC Replacement

Building 456

28APR25

1.0 Introduction: The U.S. Army Aberdeen Test Center, Electromagnetic Interference

(EMI) Facility requires that the existing HVAC system servicing Chamber B to be replaced. This procurement is for hardware, controls, project management, integration of new systems/controls and professional installation services.

2.0 Background: The HVAC unit for Chamber B at the EMI Facility needs to be replaced. The unit is +20 years old and no longer provides adequate dehumidification, is partially operational, and does not provide sustained/reliable heating or cooling.

2.1 Objective: The objective of the requirement is for the contractor to provide, install, and make operational a new HVAC system with propane heat. To maintain conditioned air in Chamber B at the EMI Facility, the system is to be controlled such that temperature & humidity levels are maintained throughout the year, during multiple modes of HVAC venting operations.

2.2 Description of Requirement: To provide and install a new 40-ton HVAC unit that is to be operational, integrated into existing duct work/wiring. The new unit is to utilize a propane gas-fired heater. A new control system with an operator interface panel shall be included and programmed to match the existing system’s modes of operation. The existing system is to be decommissioned and removed.

3.0 Site Survey: THERE WILL BE A SITE VISIT (SEE DESCRIPTION ON SOLICITATION FOR DETAILS. The Contractor shall provide an appropriate level of project management to ensure the efficient and timely acquisition, installation, integration, and testing of the HVAC system. The Contractor shall propose and estimated timeframe of completion of the project.

4.0 Equipment Technical Requirements: It is the responsibility of Contractor to provide the correct equipment for a fully operational system that meets the intended requirements set forth in this Statement of Work. The final design will be submitted, reviewed and approved by the government post award.

4.1 Scope of Work:

4.1.1 Provide and install a 40-ton HVAC unit with at least 8,000 cubic feet per minute (cfm) air flow. Contractor MUST decommission and remove the existing HVAC system. Contractors must cut the existing pipes outside the building that goes to the hydronic boiler system and remove the pipes entirely. (Abandon the hydronic system in place).

4.1.2 Provide dedicated project supervision, trade coordination, and project management services for the entire project. Provide a detailed project schedule.

4.1.3 All equipment, labor, and materials will carry a one-year warranty from project completion, alongside additional manufacturer warranties.

4.1.4 Provide all necessary closeout documents in accordance with performance specifications to include O&M manuals. Two sets required.

4.1.5 Start up the system and verify operations.

4.1.6 Provide a timeline identifying how long Chamber B will be without HVAC. No temporary heating/cooling is required.

4.1.7 Heating & cooling operations shall be controlled so that the heating & cooling modes do not short cycle and alternate/battle each other to satisfy the set points.

4.1.8 A 1,000-gallon propane tank will be furnished and set by the Government. The contractor is to install steel piping from propane tank supply line to the HVAC unit. The contractor is to provide and install the Second Stage regulator. (Must comply with NFPA 58 Reg.) AmeriGas will perform a Leak Test on the newly installed structure.

4.1.9 As built mechanical drawings are not available. The current HVAC unit provides

4~8,000cfm of conditioned air.

4.1.10 The HVAC system will be locally controlled, not remotely.

4.1.11 A FAA Obstruction Evaluation (due to airport proximity) is not required.

4.1.12 The existing fuel oil tank will remain in place. It will be removed at a later date, not included in this contract.

4.1.13 MegaPress pipe fittings are acceptable.

4.1.14 The conduit and electrical wires from the HVAC unit to the electric panel is approximately 76 feet.

4.1.15 The contractor is to identify what they are providing, from the statement of work in their proposal.

4.2 Technical Requirements:

4.2.1 Install a Package Unitary Propane Gas/Electric unit with BACnet capability.

4.2.2 System controls will be mounted into the existing building automation system cabinet.

4.2.3 Install all necessary piping, ductwork, insulation, connecting to approximately 6 feet inside the Quonset hut building.

4.2.4 Install all power wire required to complete the installation.

4.2.5 The existing TAC INET controls are to be replaced with new open-source software, including necessary hardware and software installations.

4.2.6 Install and program EBO IO controllers to match existing control points.

4.2.7 Install a cabinet-mounted workstation with a graphic interface touch screen to select programmed modes of operations. Existing control cabinet has 5.5” clearance inside door to control boards. The existing TAC is mounted on the exterior surface of the control cabinet door.

4.2.8 Program sequence of operations to create six modes of operations; Off, Normal, Purge, Test1, Test2 and Tank mode. See notes at end.

4.2.9 Integrate new factory supplied BACnet communications cards onto the new system.

4.2.10 RTU unit is to maintain an adjustable temperature and humidity settings (70°F +/-

10°F & 50%RH +/-10%) year-round. Supplemental humidification is excluded. In addition to seasonal heating/cooling, the chamber will need heated in the summer and cooled in the winter; depending on what climate the test item in the chamber is creating…all the time maintaining the humidity set point.

4.2.11 Offeror must provide past experience in industrial HVAC industry.

4.3 Warranty

4.3.1 Equipment Warranty: The Contractor shall provide the manufacturer’s standard warranty for all equipment provided.

4.3.2 Contractor Workmanship: The Contractor shall provide a free 12-month workmanship warranty. The workmanship warranty shall cover any issues encountered with the equipment. The Contractor shall work with the Government to identify the cause and address the issue.

4.3.3 Provide two (2) year warranty on new hardware controls.

5.0 Performance Requirements:

5.1 Create project schedule.

5.2 Technical discussion of the equipment list and actual integration requirement with technical POC to ensure that the list provided, and solution designed meets the needs of the Customer.

5.3 Installation and integration of equipment.

5.4 Program, commission, and test HVAC to ensure it meets project requirements.

5.5 Provide one (1) knowledge transfer and training session of up to two (2) hours for the new system. To include how to create/modify modes of operations via human control interface panel.

6.0 Installation Address:

U.S. ARMY ABERDEEN TEST CENTER

BUILDING 456, EMI Facility

ABERDEEN PROVING GROUND, MD 21005-5059

7.0 Contract Requirements:

7.1 Coordinate power interruptions two (2) weeks in advance with ATC Facilities.

8.0 Implementation Schedule:

8.1 Installation shall take place during the following hours of 7:00A.M. – 4:30P.M.

Eastern Time, Monday through Friday. The contractor shall have uninterrupted access to the workspace during the agreed upon field work schedule.

8.2 Recognized Holidays: The contractor is not required to perform installation services on the following holidays:

New Years

President’s Day Juneteenth Labor Day

Veteran’s Day M.L King Memorial

Memorial Day Independence Day

Columbus Day Thanksgiving

Christmas

9.0 Initial Project Meeting: The Contractor shall establish an initial project meeting within fifteen (15) calendar days of contract award. The Contractor shall notify participants of scheduled dates, times, and required communication for participation in the requested meeting. Charts and documents to be discussed shall be distributed to all requested participants prior to the meeting.

10.0 Project Plan: A Project Plan shall be developed by the Contractor and presented at the initial Project Meeting. The Project Plan shall include but not be limited to the following:

10.1 Equipment Delivery: The Contractor shall notify the Government of any acquisition delays which may impact implementation schedule of the HVAC System.

10.2 Installation Timelines and Actions: Days to complete HVAC installation from initiation to installation complete.

10.3 Proposed Schedule: The Contractor shall present a separate display showing proposed calendar days for HVAC installation. The Government POC will have ten (10) calendar days from the meeting date to review and accept or recommend changes to the proposed schedule. All calendar schedule changes shall be reviewed and agreed upon by both the Contractor lead representative and the Government lead representative. A final agreed upon schedule displaying the calendar days for the HVAC System installation shall be finalized and provided to the Government by the Contractor no later than thirty (30) calendar days after contract award.

11.0 Test & Acceptance: The Contractor shall develop a Test and Acceptance Plan to validate the system operates in all modes before formally turning over the system. Prior to the commencement of work, the Contractor shall provide the Government with a copy of the Test and Acceptance Plan to be used for evaluation of the HVAC System. After the Government’s review and acceptance of the Test and Acceptance Plan, the Contractor shall complete duties and perform the prescribed acceptance testing. A Contractor technician shall work with a Government representative thru the acceptance test to ensure full functionality of the system and to formally run over the system to the Government.

11.1 Final Test and Acceptance: Any action required for 100% operation that was not previously completed shall be scheduled and completed during the Final Test and Acceptance. The Government POC will ensure all required actions are completed and available prior to the scheduled Final Test and Acceptance.

11.2 Documentation: Upon final Test and Acceptance of the HVAC System and completion of the project the Contractor shall provide the following:

11.2.1 As-Built Documentation: Product Manuals and any other documentation deemed necessary by the Contractor to be provided to the Government for continued operation.

11.2.2 Software Code: All software code developed during the term of the project to provide functionality of the HVAC System shall be provided to the Government along with logon credentials required for operation and update. Information to include current version of operating system and software.

11.2.3 Hardware Credentials: The Contractor shall provide all hardware logon and passwords used for Installation of the HVAC equipment including make and model numbers.

11.3 Acceptance Grace Period: The Government will be provided with an Acceptance Grace Period. The Grace Period will begin on the day training is completed.

During the Grace Period, any Contractor provided hardware, system, software, or other failure that occurs shall be reviewed and corrected by the Contractor. This may include replacing material, equipment, programming, or any other activity required to be performed by the Contractor that is required to establish a 100% operational system as originally designed and implemented. During the Grace Period, any expense, if any, will be on the Contractor’s behalf to ensure that the system meets the original performance of work reflected during Acceptance Testing.

12.0 Campus & Site Access: The work site is located in the Restricted Area (RA) at Aberdeen Test Center. Contractors will need an Escort Required Badge (from Visitor Control B324) to access the RA. Contractors will need to submit a roster with personnel names, organization, purpose of visit, location of work, ATC point of contact and social security number one week in advance to arrival. Visitor Control will issue the Escort badges. Visitor badges must be seen/displayed while in the RA. No photographs are permitted.

13.0 POC: The main POCs for this acquisition are:

13.1

13.2

Note: Modes of Operations. During all modes of operation, the heating/cooling shall modulate to satisfy the set points. Airflows of 4, 8, 10,000cfm are representative and should only indicate the percentages of desired air flow from the new HVAC unit.

1. Off: All HVAC equipment is off. MOD1, MOD2, MOD3 are closed.

2. Normal: RTU is operating continuously providing conditioned air w/ 10% fresh air, recirculating 90%. MOD1 is closed, MOD2 is opened 10%, MOD3 is open.

Supply air flow rate is manually adjustable from 50~100%CFM (4,000 to

8,000CFM).

3. Purge: RTU is operating continuously providing 100% conditioned outside air, recirculating 0%. MOD1 is closed, MOD2 is opened 10%, MOD3 is opened.

Supply air flow rate is 100% CFM.

4. Test1: RTU is operating continuously providing 100% conditioned outside air, recirculating 0%. MOD1 is opened, MOD2 is 20%, MOD3 is closed. No air is recirculating. Supply air flow rate is 100%. Exhaust Fan1 & Vehicle Exhaust Fan1 are operating. Exhaust Fan1 VFD is to be similar to its current setting (~20%).

5. Test2: RTU is operating continuously providing 100% conditioned outside air, recirculating 0%. MOD1 is opened, MOD2 is 20%, MOD3 is closed. No air is recirculating. Supply air flow rate is 100%. Exhaust Fan1, Vehicle Exhaust Fan1 and Vehicle Exhaust Fan2 are operating. Exhaust Fan1 VFD is to be similar to its current setting (~30%).

6. Tank Mode: RTU is operating continuously providing 100% conditioned outside air, recirculating 0%. MOD1 is open, MOD2 is open 100%, MOD3 is closed. No air is recirculating. Exhaust Fan1 is operating at 100%.

Estimated flow values for each mode of operation

Mode RTU Ambient

Make Up EF1 Vehicle

EF2

Vehicle

EF3 Tank MOD1 MOD2 MOD3 CFM OA Recirc

Off 0 0 0 0 0 0 0 0 0% 0% 0% Normal s-10 ooo 10% 90% 0 0 0 0 0 0% 10% 100% Purae 10,000 100% 0% 0 0 0 0 0 0% 10% 100% Test #1 10,000 100% 0% 4 000 3.000 1 000 0 0 100% 20% 0% Test#2 10,000 100% 0% 7 000 5.000 1 000 1 000 0 100% 20% 0% Tank 10,000 100% 0% 17 000 10,000 0 0 10,000 100% 100% 0%

Glossary

BAC Building Automation and Control Network

BAS Building Automated Systems

CO Carbon Monoxide

EBO EcoStruxure Building Operations

EF Exhaust Fan

EMI Electromagnetic Interference

HVAC Heating Ventilation & Air Conditioning

I/NET TAC Existing control interface by Control Systems International

IO Input and Output

MOD Motor Operated Damper

RH Relative Humidity

RTU R/A Rooftop Unit Return/Air

UPS Uninterruptable Power Supply

VFD Variable Frequency Drive