Amendment 05 - PWS - CHP Control Mod and Sub-Station Repair update.docx

PERFORMANCE WORK STATEMENT (PWS)

CHP Controls for Islanding and Sub-Station Repair – Salt Lake City

SCOPE

Contractor shall provide services, materials, labor, and other associated tasks described in Contract Line Item Numbers (CLINs). All work is located at the VA Medical Center, 500 Foothill Blvd., Salt Lake City, Utah 84148. This PWS covers all scope required to modify the existing CHP system to allow operation with primary electric utility, secondary electric utility, and in an Islanding mode when no electric utility is available; and, to repair discrepancies at campus electric sub-station. The work may need to be phased. In the case that VA does not approve a shutdown as pointed out in CLIN 02, work from CLIN 01 will need to be completed first, to allow sub-station primary feed to be re-energized. Once the campus power has been switched from the Spare to the Primary feed, work from CLINs 02 and 03 can proceed.

CLIN 01 – Substation discrepancy repairs and lighting upgrade: Several discrepancies were identified by the power utility that are required repairs.

· Upgrade grounding wire to 1/0 copper

· From branded strap on switch to steel structure

· Test all switch insulators

· Test all overhead wire

· Megger test as needed

· Lightning protection

· Provide design

· Demolish existing lightning rods (too small for sub-station)

· Provide and install four (4) new rods (approx. 10-feet tall)

· Welding detail part of design for attachment

· Replacement of three (3) insulators on Fuse switch

· Test insulators

· Substation transformer:

· Design of cooling fans and controls

· Addition of six (6) fans

· Control panel and wiring interconnection for new fans

· Replace four (4) exterior lights with LED and lumen sensors

CLIN 02 – CHP Modification for Islanding Mode Capability: Add for CHP to have Island Mode Capabilities. Requires a fiber line to be installed through parking lot from Building 41 to CHP. Includes SEL-350 and programming relays. Wheeler Power Systems (CAT) will be modifying the PLC and HMI to incorporate base load and island mode functionality while connected to the temporary utility source.

· Modify PLC and HMI to incorporate base load and island mode functionality

· Provide a single mode fiber connection from CHP to building 41 MV switchgear

· Provide relay to control Fort Douglas main

· Provide protective device on Fort Douglas main in building 41 and Sunnyside feed main in metal clad switchgear to inhibit closure of breaker while CHP is running in Island mode. This includes reprogramming both relays

· Provide and install 3 PTs on B.41 MV switchgear main bus.

· Provide and install 3 CTs on B.41 MV switchgear Main #2 breaker.

· All PT and CT installation work is to be completed with B.41 switchgear de-energized. Coordinate Shutdown with VA 21 days prior to beginning work.

CLIN 03 – CHP Modification for Parallel Operation with Secondary Utility: Add for Fort Douglas Paralleling MSLC 2 Upgrade in Building 41 Switchgear.

· Everything that is included in CHP island mode plus the following:

· Paralleling controls at the building 41 MV switchgear, Fort Douglas main

· Media converters

· Selector switch between Sunnyside main and Fort Douglas main

· Reprogramming Sunnyside main relay, Fort Douglas main relay and CHP relay

PROPOSAL

The Contractor shall provide a Proposal in response to this PWS. This effort shall be proposed as a lump sum by CLIN. Only upon Contracting Officer authorization and funding of a Contract Line item (CLIN) shall the Contractor proceed with any effort. The Contractor shall provide firm labor and material rates and amounts.

PERIOD OF PERFORMANCE

This contract will have a period of performance of 120 days.

GOVERNMENT FURNISHED EQUIPMENT/MATERIAL/FACILITIES

The Government shall provide necessary facility power for repair equipment, if necessary.

HOURS OF OPERATION

Normal hours of operation are Monday through Friday, 0800 to 1700, except federal holidays. The Contractor shall have the flexibility to schedule work outside the normal hours, with prior approval of the Contracting Officer.

The Contractor may work on the following U.S. Federal holidays:

New Year’s Day Independence Day Veterans’ Day Martin Luther King Day Labor Day Thanksgiving Day Presidents’ Day Columbus Day Christmas Day Memorial Day

QUALITY CONTROL

The contractor shall provide the products described above. The Contractor shall provide an on-site foreman to ensure the products are installed properly according to manufacturer’s instructions.

The COR or designee shall inspect the Contractor’s work and inform the Contractor of unacceptable material or installation and will request corrective action if necessary.

SAFETY REQUIREMENTS

The Contractor is solely responsible for compliance with all federal, state and local laws, the Occupational, Safety and Health Act (OSHA) (Public Law 91-596) and the resulting standards, OSHA Standards 29 CFR 1910 and 1926, as applicable, and the protection of their employees. Additionally, the Contractor is responsible for the safety and health of all subcontractor employees.

Due to current Covid-19 restrictions, all contracted employees must wear OSHA-approved masks or nose/mouth coverings while walking through or working in all Salt Lake City VA campus facilities. Exterior work locations do not require masks or nose/mouth coverings to be worn.