E-Techincal_Specifications_-_Chillers_and_Boilers_(1).docx

TECHNICAL SPECIFICATIONS

DETAILED DESCRIPTION OF THE WORK

There are four typical “styles” of unit: air-cooled chiller, water-cooled chiller, cooling tower, and natural gas boiler. The following outlines the industry standard routine preventative maintenance for each of these types of unit at the following locations:

City Hall, 200 E University Avenue, Gainesville, FL 32601 Old Library Building, 222 University Avenue, Gainesville, FL 32601 Thomas Center A & B, 302 NE 6th Avenue, Gainesville, FL 32601

· Typical Air-cooled Chiller:

Total of five (5) units: Two (2) at City Hall, One (1) at Old Library, One (1) at Thomas Center A, and One (1) at Thomas Center B

· Typical Air-cooled Chiller:

Total of five (5) units: Two (2) at City Hall, One (1) at Old Library, One (1) at Thomas Center A, and One (1) at Thomas Center B

· Monthly Tasks:

i. Visual Inspection of all equipment, piping, and devices for operation and evidence of corrosion or wear.

ii. Visually check for water or refrigerant leaks and confirm that unit is operational with no excessive noise or vibration.

· Quarterly Tasks:

i. Perform all monthly tasks listed above.

ii. Inspect crankcase heater for operation.

iii. Check refrigerant charge.

iv. Check compressor oil level.

v. Visually inspect for air, refrigerant, or oil leaks.

vi. Remove any debris from condenser coils and brush out fins.

· Annual Tasks:

i. Perform all monthly and quarterly tasks listed above.

ii. Completely drain water from evaporator and associated piping systems. Inspect all piping for leaks, damage, and corrosion. Clean all in-line strainers.

iii. Check oil sump level.

iv. Analyze compressor oil.

v. Clean all condenser coils.

vi. Inspect all electrical disconnects, starters, VFDs, wiring, etc. for good contact and ensure no corrosion or defects.

vii. Clean and provide touch-up painting on any oxidized surfaces.

Location:

Gainesville Police Department, 545 NW 8th Avenue, Gainesville, FL 32605

· Typical Water-cooled Chiller:

Total of two (2) units, both at the GPD Headquarters

· Monthly Tasks:

i. Visual Inspection of all equipment, piping, and devices for operation and evidence of corrosion or wear.

ii. Visually check for water or refrigerant leaks and confirm that unit is operational with no excessive noise or vibration.

iii. Verify and record compressor oil level, oil pressure, compressor superheat and refrigerant temperature/pressures.

iv. Inspect system superheat and subcooling.

· Quarterly Tasks:

i. Perform all monthly tasks listed above.

ii. Check refrigerant charge.

iii. Visually inspect for air, refrigerant, or oil leaks.

iv. Clean all strainers.

· Annual Tasks:

i. Perform all monthly and quarterly tasks listed above.

ii. Completely drain water from evaporator and associated piping systems. Inspect all piping for leaks, damage, and corrosion. Clean all in-line strainers.

iii. Drain, analyze, and replace compressor oil.

iv. Replace oil filer.

v. Inspect all electrical disconnects, starters, VFDs, wiring, etc. for good contact and ensure no corrosion or defects.

vi. Clean and provide touch-up painting on any oxidized surfaces.

· Typical Cooling Tower Total of two (2) units, both at the GPD Headquarters.

· Monthly Tasks:

i. Visual Inspection of all equipment, piping, and devices for operation and evidence of corrosion or wear.

ii. Clean pan strainer. Check operating level in pan and adjust float valve as necessary.

iii. Check fan belt tension and adjust.

iv. Check fan screens, inlet louvers, and fans. Remove any dirt or debris.

v. Check water distribution system and spray pattern. Adjust as necessary.

· Quarterly Tasks:

i. Perform all monthly tasks listed above.

ii. Clean and flush pan.

iii. Check drift eliminators.

iv. Check fan blades for cracks or vibrations.

v. Lubricate fan shaft bearings.

· Annual Tasks:

i. Perform all monthly and quarterly tasks listed above.

ii. Check fan sheaves and bushings for corrosion.

iii. Inspect all electrical disconnects, starters, VFDs, wiring, etc. for good contact and ensure no corrosion or defects.

iv. Clean and provide touch-up painting on any oxidized surfaces.

Location:

City Hall, 200 E University Avenue, Gainesville, FL 32601 Old Library Building, 222 University Avenue, Gainesville, FL 32601

· Natural Gas Boiler Total of two (2) units: One (1) at City Hall and One (1) at the Old Library

· Monthly Tasks:

i. Visual Inspection of all equipment, piping, and devices for operation and evidence of leaks, corrosion, or wear.

ii. Inspect combustion air duct/opening and vent duct/opening for indications of leakage, deterioration, or blockage. Clean of any debris.

iii. Inspect relief valve for signs of leakage.

· Quarterly Tasks:

i. Perform all monthly tasks listed above.

ii. Inspect burner and flame for proper operation.

iii. Confirm low-water cutoff setting and operation.

· Annual Tasks:

i. Perform all monthly and quarterly tasks listed above.

ii. Inspect and clean the boiler heat exchanger.

iii. Examine and clean flame sensors, ignitor, and burner assembly

iv. Inspect the venting system for deterioration, corrosion, or blockage.

v. Confirm all vent piping is unobstructed.

vi. Test safety controls and confirm controls set points/operation.

vii. Inspect all electrical disconnects, wiring, etc. for good contact and ensure no corrosion or defects.

A written report of the total system condition shall be submitted after the inspection to include repair/upgrade recommendations and costs for repairs, to be submitted by email to the Project Manager

CHILLER BOILERS EQUIPMENT & LOCATIONS WITH BRANDS AND MODELS

Chiller

Boiler

Chiller

Chiller

Chiller

Chiller

Tower