DXC AMS RE&F-CE - Freeze Protection - Checklist

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Preparations:

Key personnel have been trained to perform freeze protection inspections and trained in shutdown procedures
Staffing prepared for extended stays and cold weather operations (proper clothing and equipment)
A working Contingency Plan with contractors and suppliers is in effect for each location
Is there adequate supply of fuel on site just prior to and during cold weather? Ensure fuel levels for the emergency generators are at 80% Capacity
Perform inventory of equipment and de-icing chemicals/materials
Exterior doors seals are in good condition and any ice formation will not cause leaks
Ensure roof and storm water drains are open and free of debris
Pre-Emergency planning for fire, water damage and ice/snow removal have been established
Is there a process for building closure of non essential personnel?
Review process and recommend medications/corrections

Check emergency generator coolant systems for antifreeze and jacket heater for proper function. Coolant temperature should be between 106 and 122 degree Fahrenheit, which would indicate a functioning block heater
Ensure chillers low ambient set point temperature is at 0 degrees Fahrenheit. Ensure the insulation and heat trace to the DP sensors are operational
Ensure the main chilled water supply and return lines insulation, heat trace, and air sprigging valves are fully operational
HVAC for Data Center and admin areas reviewed for proper functionality. Closely monitor BMS for issues and alarming
Run all Central Plant and building equipment in normal operating modes for severe weather. Do not circulate cooling tower water through off-line chillers which could damage heat exchangers
Increase rounds for both the Engineering Team and Security personnel. Pay particular attention to the building(s) envelope

Prepare for sanding of roads and parking lots
Walk site for any trees that could cause issues with accumulating snow or ice
Treat roads and other designated areas with de-icing chemical/sand. Report dangerous areas to security
Are stairs, ramps and handrails in good shape
Cover any cold sensitive plants with plastic or burlap

Verify water tanks have no leaks and pressure should be checked
Ensure pipes that are prone to freezing are insulated and/or wrapped with UL approved heat tape
Water temperature should remain at 42°F or above
Fire hydrants checked for proper drainage by outside contractor or water department
Site of buried sprinkler control valves and valve pits should be marked and accessible
Fire pump rooms should not drop below 65°F
Post indicator valve, OS&Y valve, test header to pump inspected by outside qualified contractor (IFM or IFM third party contractor)
Ensure all outside water spigots are freeze protected. If not shut-off water to outside spigot and open spigot. Ensure all water hoses are detached, drained and coiled neatly

All areas of buildings with sprinkler systems should maintain temperature of 60° F or above
Cold-weather valves should be closed, all others should remain open
Windows, skylights and doors should be in good condition and seal tightly
Check and record minimum temperatures with EMS or handheld thermometer

Dry lines should be checked for proper drainage, trapped water can freeze and cause breakage
Dry-valve clapper should be in good repair, properly set, heating arrangement maintained at 40°F or above
Check drains located in cold places for freezing frequently during cold weather
Low air pressure alarms should be provided, calibrated and connected to constantly attended location
Low air pressure alarms should be provided, calibrated and connected to constantly attended location
Low pressure switches should be set at 5 psi, above trip point of dry pipe valve
Air pressure checked regularly with records maintained to indicate normal pressure
Air drying equipment available to supply air to system as designed