Attach A-SOW R2.pdf

STATEMENT OF WORK

Replace Coil MAU #3 and #38

Project # 618-24-115

1. Introduction:

A. The MVAHCS has two failing steam coils that require replacement. These coils are located in the Energy Center (Building 69) & the penthouse of the main hospital (Building 70). The coils in these locations will need to be removed and replaced with freeze-proof models. The steam trap serving the Makeup Air Unit (MAU #3) in the Energy Center will be removed and replaced with (2) steam traps ran in parallel for continuous service during maintenance operations.

2. Bid Items:

A. Bid Item #1 – Provide lump sum (LS) pricing to remove existing MAU #3 & #38 steam coils and MAU #3 steam trap and furnish & install freeze proof coils, MAU #3 steam traps and associated piping, valves, insulation, hangers, etc. as necessary per contract documents, applicable codes and industry & VA standards.

3. Statement of Work:

A. Remove and replace Makeup Air Unit (MAU #3) steam coil located in Building

69 (Energy Center).

1. Replace with freeze proof steam coil that meets or exceeds coil specifications below (Brand Name or equivalent):

• ARMSTRONG CENTIFEED DURAMIX (Brand Name or Equivalent) – Qty.

(1), FACE & BYPASS COIL HORIZONTAL

• CBH2-4L-A11-W08-BE-hand Centifeed Horizontal Duramix

• To heat 8,700 scfm from -30 to 70 F using 982 pph of 5 psig steam at coil

• Total heat load : 940 MBH, APD : 0.55'' w.g.

• Stainless Steel construction

2. Replace existing steam trap with (2) traps installed in a parallel configuration for continuous operations of MAU #3 when servicing the traps.

• ARMSTRONG AIC SERIES FLOAT & THERMOSTATIC STEAM TRAP

(Brand Name or Equivalent) – Qty. (2)

• 1-1/2” 100 PSI flanged connection horizontal flow steam trap (100-AICF-H- 6)

• Ductile iron body & cap

• Graphite gasket

• Stainless steel seat, internals & valve

• Hastelloy wafer thermostatic air vent

• Maximum allowable pressure – 580 PSIG

• Maximum operating pressure – 465 PSIG

• Maximum allowable temperature – 572 deg F

• Trap sizing – 2:1 SF @ 1/2 DIFF (14” MIN), 982#/HR*2=1964 #/HR

B. Remove and replace Makeup Air Unit. (MAU #38) steam coil located in the

Penthouse of Bldg 70 (Main Hospital)

1. Replace with freeze proof steam coil that meets or exceeds coil specifications below (Brand name or Equivalent):

• ARMSTRONG - CBV2-8F-A9/10-W08-BEF-LH-1-110923-4-3,

VERTICAL CENTIFEED DURAMIX (Brand Name or Equivalent) - 1

EA

• DURAMIX IFB STM COIL (2) 4'' inlets and (1) 3'' 150 lbs RFSO SS 304 L flanged Connections.

• To heat 45,000 scfm of air from -20 F to 50.8 F using 3,685 pph of 25 psig at coil.

• Total heat load : 3,440,880 ( 1 MW ), APD : 0.64" w.g.

• Retromix option - 1 ea, split coil - trap separately

Additional Steam Coil Notes:

1) 5/8’’ SS 304 L inner tube for low pressure operation.

2) 150 lbs SS 304 L RFSO flange included.

3) Belimo electric actuator in the face included.

4) VA med. Application : coil cleaned prior to shipment.

5) Epressure design included.

6) Same end connection at the bottom since this is a Duramix coil.

C. Contractor shall furnish all supervision, labor, materials, equipment, transportation and testing necessary to perform construction work for the “Replace Steam Coils” Project – VAMC Minneapolis Project Number 618-24- 115 per specifications and scope of work.

D. This includes:

a. Determining the proper size and quantity of all repair materials required for this project.

b. Providing all tools, materials and equipment associated with replacing the Steam Coils and any necessary rigging, personnel lifts and scaffolding needed to safely complete the project.

c. Performing Lock out/Tag out at all sources of stored energy on affected equipment – Elec, Gas, Steam Water, etc. Refer to 013526 – Safety Requirements regarding procedures.

d. Isolating steam/condensate piping and disconnecting from MAU.

Remove piping to allow for removal of coil section.

e. Installing new steam coils that meet the specifications above. Provide necessary caulking and bolting per manufacturer’s requirements.

f. Installing new piping, insulation, equipment, specialties and accessories serving the replaced steam coils as required according to latest industry standards, ensuring proper air venting and vacuum relief for new coil operation.

g. Pressure testing newly installed piping between the coils and isolation point, prior to installing insulation. A hydrostatic test will be performed at 1.5 times the system design pressure. Contractor to send test reports to COR in closeout documentation.

h. Installing mineral fiber insulation on all new steam and condensate pipes. Insulation thickness to match existing.

i. Startup and confirmation the new coils are operating in conjunction with the Building Automation System (BAS). Interface all input/output signals to Metasys (Johnson Controls, Inc.).

j. Field verifying all existing conditions prior to construction start.

Contractor shall notify COR of any discrepancies between specifications and existing conditions. It is highly encouraged the contractor and any subcontractors field verify existing conditions prior to submitting bids.

k. Protecting any items not to be removed from damage. Any damage shall be corrected by the contractor with no additional time and/or money.

4. Period of Performance (PoP): Contract PoP will be from Notice to Proceed (NTP) date plus 150 days.

a. Schedule:

i. Contract Award – D-Day

ii. Kick-Off Meeting – D+5 Calendar Days

iii. Construction Notice to Proceed (NTP) – D+5 Calendar Days

iv. Begin Personnel Badging – D+5 Calendar Days

v. Submittals Due – D+15 Calendar Days

vi. Construction Start – D+100 Calendar Days

vii. Substantial Completion – D+130 Calendar Days

viii. Closeout Documentation Received – D+140 Calendar Days

ix. Contract Completion – D+150 Calendar Days

5. Working hours:

a. Anticipated hours of work will be Monday through Friday from 7:00am – 5:00 pm. Additional hours must be coordinated through the COR. Work will not be performed on weekends or federal holidays.

Observed Federal Holidays:

Columbus Day Veteran’s Day Thanksgiving Day Christmas Day New Year’s Day Martin Luther King Birthday Washington’s Birthday Memorial Day Independence Day Juneteenth Labor Day Columbus Day Veteran’s Day Thanksgiving Day Christmas Day

6. Submittals:

a. The contractor shall submit the following items via email to the VA COR:

i. Daily logs.

ii. Product data for items to be installed.

b. Refer to 013323 – Shop Drawings, Product Data and Samples for further information.

7. Safety:

a. Contractor is responsible for maintaining a safe working environment for their employees as well as the MVAHACS Staff. Work areas will be kept cleanly at all times, ensuring all trash and demolished materials are properly disposed of daily. Contractor shall provide their own containers.

b. Contractor is responsible for submitting Daily Burn Permit requests to the

COR for approval prior to commencing any hot-work.

c. Infection Control Risk Assessments (ICRA) and Interim Life Safety assessments (ILSM) will be provided by the MVAHCS and posted at the construction site prior to commencement of work onsite. Temporary construction items such as dust walls, safety barriers, HEPA filtration, etc.

shall be the responsibility of the contractor and must adhere to VA safety standards and ICRA/ILSM.

d. Contractor is responsible for the removal of all excess construction material associated with this scope of work and ensure its proper disposal.

e. Contractor must coordinate with the VA COR prior to performing shutdowns of any utility including, but not limited to, electrical power systems, HVAC equipment, steam distribution, etc.

8. Security:

a. Contract personnel must obtain a vendor’s badge form VA Security located at the outpatient entrance security desk. A valid government issued form of identification will be required to receive a badge. A charge of $50 will be assessed for any badges that are not returned at the completion of the project.

b. Contractor’s Technicians are required to check in with the COR or Energy

Center Supervisor upon arrival at facility to obtain access and any additional instructions, task explanations and project location information.

Performance log sheets are required to be submitted to the CO and COR daily. The logs will describe the progress of each trade at all work locations, planning for upcoming coordination efforts, and any issues or items of concern.

9. Parking/Storage:

a. Parking is available in the vicinity of Bldg 69. Otherwise, parking lots 11, 43A and 43B for vehicles (automobiles and Pickup trucks). Larger vehicles, equipment, job site trailers or storage containers must utilize parking lot 43A only. Contractor’s contact information (name and phone number) is required to be displayed on all vehicles, equipment, trailers or containers that are stored overnight at the MVAHCS. Dropping off tools and materials at the loading dock is permitted, but no parking is allowed in the loading dock area.

Unattended vehicles in unauthorized parking areas will be ticketed by MVAHCS Police.

END