Commissioning Agent SOW- rev1.docx

Dayton VA Medical Center July 26, 2023 Commissioning Agent (CxA) qualifications and process following VAMC specification 01 91 00 General Commissioning Requirements 10-2015 RFP Recommendations:

This document will detail the commissioning services required for this project and establish outline for the proposal contract agreement between the Dayton, Ohio Veterans Affairs Medical Center (Dayton VAMC) and the third-party independent commissioning service provider. Commissioning provides additional assurance that the project safety, performance, constructability, and operational requirements in the owner project requirements as well as best industry practices are followed throughout the construction and turnover. Commissioning agent will work alongside the owner, contractor, and engineer of record to assist in the execution of the project requirements.

Project Background by Client Owner:

The project includes replacement of four (4) 25,000 lb/hr, watertube Boilers (Nat Gas and No.2 Fuel Oil), associated auxiliary equipment including Condensate Tanks, PRV’s, Steam Traps, Water Treatment and HVAC within existing steam plant building on medical center campus.

Project Schedule Phasing by Owner or Contractors:

Existing boilers will be demolished removed one a time to maintain campus steam distribution. New boilers will be installed, tested, started, and functionally commissioned before demolishing the next existing boiler. Balance of plant systems will be fully commissioned at the final phase.

Trip Summary:

CxA shall estimate time on site and number of trips for progress planning meetings and construction observation. These are defined and included as follows:

· One (1), 1-day trip to conduct the Commissioning Kick-Off Meeting.

· Eight (8), 1-day trips to conduct Cx Meetings, Perform Site Observations during construction and Witness select equipment Start-Ups/QC test in each boiler phase. (Other meetings will be held via teleconference.)

· Functional Testing includes four (4) weeks of on-site testing; one (1) week per Phase.

Commissioning Systems Scope:

CxA shall review the following systems are to be fully commissioned as defined construction documents and submittals:

· Steam Generation System

· Condensate Return System

· Feedwater System

· Natural Gas Fuel System

· Fuel Oil System

· Plant Water Treatment

· New Plant HVAC

· Plant SCADA/Direct Digital Control System

· Low Voltage Power Utility and Emergency Distribution System -confirm field device breaker settings match coordination study (by others)

· Grounding & Bonding System

· Power Monitoring System

· Lighting and Lighting Controls Systems

Commissioning Services:

CxA will detail applicable deliverables and services within each phase of the project.

Construction Phase:

· Provide commissioning submittals including Cx qualifications and Cx forms

· Review Contract Documents

· Review Product Data submittals and shop drawings (provided by subcontractors)

· Review construction for conformance to design documents and approved submittals

· Review construction:

· to ensure no cast iron fittings or valve bodies,

· bottom blowdown valves clear of any obstructions (access) must be located outside of the vertical plan of the boiler, constructed with all welds schedule 80 pipe, long radius 90’s and sanitary tees.

· No brass or bronze valves

· Fuel oil pipe location and proper containment and construction welded fitting, no other type joints are permitted

· Spring hangers in place and have tension to compensate for any thermal expansion of the piping systems

· Combustion air to the plant and any alarms or running interlocks

· Review test reports submitted by contractor

· including weld x-ray reports,

· burner tuning reports and combustion efficiency throughout the firing curve on both fuels,

· boiler efficiency with and without economizer

· emissions at all firing rates for each boiler and on each type of fuel

· burner turndown on all fuels

· Develop Construction Phase Commissioning Plan

· Host a Commissioning Kick-Off Meeting to review the Cx Plan and distribute Minutes

· Coordinate commissioning milestones with contractor project schedules

· Develop equipment installation (Pre-Functional) checklists (PFC’s) for completion by contractors via Commissioning Online Software

· Develop Functional Test Forms for testing as performed by the contractors

· Coordinate with contractor and operators to organize full load steam testing/venting steam as required

· Host Commissioning Meetings through the Construction and Acceptance Phases

· Join Contractor/Owner progress meetings monthly via teleconference for project awareness.

· Observe site construction progress once per Phase and provide reports

· Witness select equipment start-ups and QC tests correspond to each phase site visit

· Verify completion of the installation checklists (PFC’s) by the installing contractors

· Field verify installation is complete and conforms to completed PFC’s

· Maintain CxA Issues Log and backcheck contractor corrections to close items

Acceptance Testing Phase:

· Coordinate with Boiler Safety Device settings and validation agency

· Witness execution of the Functional Testing and Integrated Systems Tests as performed by the subcontractors

· Maintain CxA Issues Log and backchecks to close items

· Review Contractor’s Training Plan and verify Owner’s Training requirements are met

· Report completion and acceptance of commissioned equipment and systems

· Review O&M’s for completeness and accuracy

· Prepare Final Cx Report

· Review a Systems Manual by Contractors (Alternate for CxA to develop)

Turnover and Operations:

· Opposite Season HVAC Verification

· Perform warranty site visit at near the end of the Warranty phase

The following services are not included:

· Witness execution of Retesting following initial Test Failures

Project Schedule:

CxA understands that the project is in Construction Phase currently. CxA estimates four boiler replacement construction and acceptance testing phases, then construction warranty phase. The estimated completion date to be within 12 months by December 31, 2025.

Project Fees:

CxA shall provide lump sum fee including expenses with breakdown for project phases as well as any add-alternates options.

Communication:

Performance of this contract should be closely coordinated with the Project COR and SME:

(Contact TBD)

References:

Performance of this Contract shall also conform with the following VA Standards that are attached to this RFP as well as the standards referenced within them.

· VA Standard Specification 01 32 16.13 – Critical Path Method (CPM) Schedule

· VA Standard Specification 01 33 23 – Shop Drawings, Product Data and Samples

· VA Standard Specification 01 35 26 – Safety Requirements

· VA Standard Specification 01 45 00 – Quality Control

· VA Standard Specification 01 91 00 – General Commissioning Requirements

· VA Whole Building Commissioning (Cx) Manual

· VA Commissioning Guide – Appendix B Summary Tables.