J041--HVAC Duct Cleaning Building 500

Contract Title - Building 500 HVAC and ductwork cleaning

Background/Dates of Service (Period of Performance). The Central Virginia VA Health Care System (CVHCS) is requesting air handler duct cleaning.

Scope.

The Contractor shall provide all labor, personnel, equipment, tools, materials, supervision and other items and services necessary to clean duct work for all 59 air handling units in CVHCS building #500.

Specific Tasks.

The Vendor will provide the following services:

Duct cleaning for 59 air handling units

Clean internal ventilation duct systems

Clean all supply and return air ductwork

Clean all VAV (Variable Air Volume)

Clean all outside air intakes (including grills)

Clean all registers grilles and diffusers

De-energize and lock out all HVAC units before work starts.

Work with VA to disable all fire and smoke sensors, including duct smoke detectors.

Perform internal cleaning to all 59 HVAC units.

Including coil cleaning using NADCA ACR Type 1 and Type 2 Coil cleaning methods

Condensate drain pain, drain lines, access door panels and interior cavities of all AHUs

For Ductwork cleaning

Install sheet metal access panels into supply and return duct work

All access panels should be as large as feasible

All access panels installed should be stainless steel

All access points (both installed and existing) will be marked and updated on drawings

Provide negative air pressure during all cleaning procedures

Install all HEPA filter air scrubbers in the work areas

Clean all Ductwork to NADCA standards

Supply and Register Ductwork

Removed

Cleaned

Detailed

Disinfected

All work is to occur during nights or weekends.

Inpatient areas:

Cleaning should occur on weekends between 8a 8p

Unit should only be taken down when outside air temperatures are below 75 degrees

Unit cannot be down for longer than 12 hours at one time

Outpatient Areas

Cleanings can occur on nights or weekends

Nights: 5:00a 5:00p

Weekends: No time restrictions

Administrative Areas

Cleanings can occur on nights or weekends

Nights: 5:00a 5:00p

Weekends: No time restrictions