Attachment 1 Scope of Work HVAC Upgrades Addendeum 04-30-21.pdf

Performance Scope of Work

Replacement of the HVAC Building Automation Control System

Addendum

General:

Replacement and upgrade of the HVAC building automation system with supporting hardware installation and startup to increase the efficiency air exchange rates of the HVAC filtration to mitigate COVID19 airborne hazards.

Location:

Fort Duchesne IHS Indian Health Clinic 6932 E. 1400 S.

Fort Duchesne, UT 84026 Lat. 40.2822417 Long. -109.8712278

Background:

Fort Duchesne IHS Clinic is in need of the replacement of the building automation system for its Heating, Ventilation, and Air Conditioning (HVAC) system. The HVAC control system software and the variable air volume (VAV) controls are no longer supported due to its age. The HVAC control system hardware cannot communicated with supported HVAC software systems. HVAC air exchange rates are not at optimum due to manual control of VAVs throughout the clinic.

Description of services to be provided:

A) Contractor to provide engineering, installation, calibration, terminations, software programming, and start up for complete operational building automation system.

B) Contractor to provide install new control system.

C) Contractor shall provide and installed web-enabled software system.

D) Contractor to provide software maintenance agreement.

E) Contractor shall provide and install the following item:

1. Outside Air Temperature Sensor

2. Specified control and monitoring of mechanical equipment below:

Existing Boiler System: Start and Stop Control Existing Boiler System: Status.

Existing Boiler System: Supply Temp. Sensor Existing Boiler System: Pump Control Existing Boiler System: Emergency Kill Switch Trip.

Existing Air Cooling System: Start and Stop Control Existing Air Cooling System: Status

Existing Air Handling Unit (AHU): VFD Fan Control – Start and Stop and Status.

Existing Air Handling Unit (AHU): Damper Control.

Existing Air Handling Unit (AHU): Heating Coil Control.

Existing Air Handling Unit (AHU): Colling Coil Control

Existing Air Handling Unit (AHU): Pre- and Final-Filter Differential Pressure Readings.

Existing Air Handling Unit (AHU): Air Temperature: Read Entering, Mixing, and Leaving.

Existing Air Handling Unit (AHU): Freezer-stat: Identifies freezing of coils Existing Air Handling Unit (AHU): High Duct Static Sensor: Status.

Existing Air Handling Unit (AHU): Duct Pressure Sensor Reading Existing Air Handling Unit (AHU): Replacement of Damper Actuator.

Existing Exhaust Fan Units 6, 7, 8, 9, 10, 12: Status.

Existing Exhaust Fan Units 6, 7, 8, 9, 10, 12: Start and Stop.

Twenty- Six (26) VAV with reheat Coil Control: Replace existing DDC Controllers and Damper Actuator.

Twenty- Six (26) VAV with reheat Coil Control: Reuse existing reheat control valve/actuator.

Twenty- Six (26) VAV with reheat Coil Control: Discharge Air Temperature and Room Temp Sensors.

Fire and Smoke Sensors: Connection to existing smoke sensors.

F) Contractor shall provide third-party test and balance for quality control and measurement of new HVAC system.

G) Performance is estimated to occur between: To be determined upon agreement.

To be furnished with bid:

1. The following deliverables shall be provided with bid:

a) Propose work to provide cost schedule detailing breakdown of services delivered.

b) Estimated dates and times for work to be completed.

2.0 To be furnished after award:

1. The following deliverables shall be provided after award.

a. Installation of proposed upgrades and replacements.

b. Operation and Maintenance Manuals.

c. Startup and Troubleshooting of HVAC system.

3.0 Attachments

1. Mechanical and Power Drawings of existing HVAC control system layout.