Technical Exhibit 05 Examples of Maintenance Frequencies Information.pdf

1. Maintenance Requirement of 4 Chillers W M Q SA A

Check unit for proper operation. x x x x x

Check oil level; add oil as necessary x x x x x

Check oil temperature. x x x x x

Check dehydrator or purge system; remove water if observed in sight glass x x x x x

Run system control tests. x x x x

Check refrigerant charge/level, add as necessary. x x x x

Check compressor for excessive noise/vibration. x x x x

Check sensor and mechanical safety limits; replace as necessary x x Perform spectrochemical analysis of compressor oil; replace oil as necessary x

Replace oil filters and add oil as necessary x

Inspect cooler and condenser tubes for leaks; clean screens as necessary. x

Inspect utility vessel vent piping and safety relief valve; replace as necessaary x

Inspect/clean the economizer (vane), gas line damper valve and actuator arm x

Run an insulation test on the centrifugal motor. x

Clean area around equipment. x x x x x

Document all maintenance and cleaning procedures x x x x x

Visual inspection of ground shock absorber x x x x

Note; W: Weekly, M: Monthly, Q: Quarterly, SA: Semi-annually, A: Annually

TECHNICAL EXHIBIT 5, EXAMPLES OF MAINTENANCE FREQUENCIES INFORMATION

2. Maintenance Requirement of 7 Cooling Towers W M Q SA A

Check with operating or area personnel for deficiencies. x x x x

Check operation of unit for water leaks, noise or vibration. x x x x

Clean and inspect hot water basin. x x x x

Remove access panel. x x

Check electrical wiring and connections; make appropriate adjustments. x x x x

Lubricate all motor and fan bearings. x x x x

Check fan blades or blowers for imbalance and tip clearance. x x x x

Check belt for wear, tension and alignment; adjust as required. x x

Drain and flush cold water sump and clean strainer. x x x x

Clean inside of water tower using water hose; scrape, brush and wipe as required; heavy deposits of scale should be removed with scale removing compound.

x x x x

Refill with water, check make-up water for leakage, adjust float if necessary.

x x

Replace access panel. x x Remove, clean and reinstall conductivity and ph electrodes in chemical water treatment system.

x x

Inspect and clean around cooling tower. x x x x

Fill out maintenance checklist and report deficiencies. x x x x

Visual inspection of ground shock absorber x x x x

3. Maintenance Requirement of 80 Power Distribution Units (PDUs) W M Q SA A

Exterior Inspection

1. Confim that the exterior of unit is undamaged. x x x x

2. Confirm that service and ventilation clearances are adeqate. x x x x x

Interior Inspection

1. Inspect all wire and conductor insulation for damage. x x x x

2. Check all breaker connections for tightness. Retorque if necessary. x x x x

3. Check trip setting of adjustable breakers. x x x x

4. Check all terminal block connections for tightness. Retorque if necessary. x x x x

5. Check and Clean any foreign objects from the components or the interior are of the unit. x x x x

6. Check that the intake and exhaust air screens are clean and free of obstructions. x x x x

7. Check and clean ventilation openings and grilles x x x x x

8. Close the accent panel, leaving access to circuit breakers for the following startup procedure. x

Startup, if necessary

1. Make certain that all circuit breakers are in the Off position and that power to the unit is locked out. x

2. Turn on the building power to the unit. Check the phase rotation at the pane board main breaker or panel boart input lugs if no panel board main breaker is supplied. Phase roation should be A, B, C, as indicated.

x

3. Check and record the input voltages at the panel board main breaker or panel board input lugs if no panel board main breaker is supplied; x

4. Turn Off and lock out the building power to the unit. x

5. Replace the junction box cover. x

6. Verify proper input power connections to unit, including equipment grounding conductor. x

7. Turn on the building input power to the unit. x

8. Check the phase rotation at the panel board main breaker. Phase rotation should be A, B, C, left to the right.

x

9. Check and record the input voltage at the panel board main breaker.

Measured voltages should correspond to the unit's nameplate input voltage.

x

10. Turn on the panel board main breaker. x

Monitoring System of LCD Panel display

Ensure that the LCD is On. The Monitor Panel displays output and neutral current for the panel board (load must be applied to get an accurate reading.)

x x x x

4. Maintenance Requirement of 4 Boilers W M Q SA A

Check for proper operational response of burner to thermostat controls. x x x

Inspect gas and water lines, valves, connections for leaks or damage; repair as necessary.

x x x x

Check feedwater system and feedwater makeup control and pump. x x x x

Check and lubricate burner, blowers and motors as required. x x x

Check operation and condition of safety pressure relief valve. x x x x Check combustion controls, combustion blower and damper modulation control.

x

Check all indicator lamps and water/steam pressure gauges. x x x x Check electrical panels and wiring to burner, blowers and other components.

x x x

Clean blower air-intake dampers, if required. x x x

Check condition of flue pipe, damper and exhaust stack. x x x x

Check boiler operation through complete cycle, up to 30 minutes. x x x

Check water column sight glass and water level system; clean or replace sight glass, if required.

x x x x

Clean firebox (sweep and vacuum). x x x Inspect and clean burner and ignition assembly where applicable. x x x Clean area around boiler. x x x x

Fill out maintenance checklist and report deficiencies. x x x x

5. Maintenance Requirement of 21 Air Handlers W M Q SA A

Check with operating or area personnel for deficiencies. x x x

Check controls and unit for proper operation x x x

Check for unusual noise or vibration x x x Clean coils, evaporator drain pan, blower, motor and condensate drain piping, as required x

Lubricate shaft and motor bearings. x x x

Check belts for wear, proper tension, and alignment; adjust as necessary x x x

Inspect exterior piping and valves for leaks; tighten connections as required x x x Check operation and clean dampers, louvers and shutters; lubricate all pivot points and linkages. x

Replace air filters. x x x

Clean area around equipment. x x x

Fill out maintenance checklist and report deficiencies x x x

6. Maintenance Requirement of 9 Elevators (1 of 3) W M Q SA A

Ride car, check for any unusual noise or operation. x x x x

Inspect machine room equipment. x x x x

Motor room:

A) visually inspect controllers and starters. x x x x

B) visually inspect selector. x x x x

C) lubricate and adjust tension of selector. x x x x

D) inspect sleeve bearings of hoist motor. x x x x

E) inspect brushes and commutator of hoist motor. x x x x

F) inspect sleeve bearings of motor generator. x x x x

G) inspect brushes and commutator of motor generator. x x x x

H) inspect sleeve bearings of exciter. x x x x

I) inspect brushes and commutator of exciter. x x x x

J) inspect sleeve bearings of regulator dampening motors and tach generators. x x x x K) inspect brushes and commutator of regulator dampening motors and tach generators. x x x x

L) inspect and grease sleeve bearings of geared machines. x x x x M) inspect oil level in worm and gear of geared machines. x x x x N) visually inspect the brakes. x x x x O) inspect and grease, if necessary, sleeve bearings of drive deflectors and secondary sheaves. x x x x

P) visually inspect and adjust contacts of controllers and starters. x x x Q) inspect and adjust main operating contactor and switches of controllers and starters. x x x

R) inspect selector, adjusting contacts, brushes and cams if needed. x x x

S) inspect selsyn and advancer, motor brushes and commutators of selector. x x x

T) clean hoist motor brush rigging and commutator. x x x

U) clean motor generator and tighten brush rigging and clean commutator. x x x

V) clean exciter brush rigging and commutator. x x x W) clean brush rigging and commutator of regulator dampening motors and tach generators. x x x

X) inspect machine worm and gear thrust and backlash and spider bolts; replace oil. x x x

Y) clean and lubricate brakes, pins and linkage. x x x Z) inspect governors; lubricate sleeve bearings. x x x Aa) inspect controllers and starters; adjust setting of overloads. x

Ab) tighten connections on controllers and starters; clean fuses and holders. x

Ac) set controllers and starter timers. x Ad) clean controllers and starters. x Ae) clean and inspect selector components. x Af) inspect group operation controllers; clean and lubricate contacts, timers, steppers of operation controller. x

6. Maintenance Requirement of 9 Elevators (2 of 3) W M Q SA A Ag) change oil and/or grease roller bearings of the hoist motor. x Ah) vacuum and blowout the hoist motor. x Ai) tighten all connections on the hoist motor. x Aj) change oil and/or grease generator's roller bearings. x

Ak) vacuum and blowout motor generator. x

Al) inspect all connections on the motor generator and tighten if necessary. x

Am) inspect roller bearings of the exciter and change oil and/or grease. x An) vacuum and blowout exciter. x Ao) change oil and/or grease roller bearings of regulator dampening motors and tach generators. x

Ap) vacuum/blowout regulator dampening motors and tach generators. x Aq) inspect all regulator dampening motors and tach generator connections. x

Ar) change oil and/or grease roller bearings of the geared machines. x As) clean and lubricate brake cores. x At) inspect drive deflectors and secondary sheaves; change oil and grease roller bearings if necessary. x

Au) inspect drive deflectors and secondary sheaves' cable grooves for cracks. x

Av) inspect governors; change oil and grease roller bearing, if necessary. x Hatch:

A) lubricate rails of hoistway. x x x x B) inspect car top and grease sleeve bearings if needed. x x x x

C) inspect counterweight and grease sleeve bearings if needed. x x x x D) visually inspect cables, chains, hoist, compensating governor for wear and equalization. x x x x

E) lubricate cables, chain hoist and compensating governor if necessary. x x x x F) inspect door operator; clean and lubricate chain and belt tension x x x G) inspect door, clean and adjust safety edge, light ray and cables. x x x H) clean and adjust proximity devices on door. x x x I) inspect and lubricate governor tape and compensating sheave in pit. x x x

J) clean and lubricate compensating tie down in pit. x x x K) inspect pit's run-by on counter weight. x x x

L) inspect governor and compensating sheaves or chains for clearance to pit floor. x x x

M) inspect/lubricate overhead hatch switches and cams x N) clean and lubricate rollers, cables, sight guards, chains, motors, closures, limit and zone switches. x

O) inspect door gibs and fastening. x Inspect car top; change oil and grease roller bearings, if necessary. x Check safety switches, indicators, leveling devices, selector tape, switches and hatches. x

Check and lubricate fan motor. x Inspect counterweight; change oil and grease roller bearings, if necessary. x

6. Maintenance Requirement of 9 Elevators (3 of 3) W M Q SA A

Check safety linkage safety and cwt guides. x Inspect compensation hatch. x Inspect chains, hoist and compensating governor. x Inspect traveling cables for tracking and wear. x Inspect door operator commutator and brushes. x Inspect/clean/lubricate door operator clutch, retiring cam, door gib, rollers, tracks, upthrusts and relating cables. x

Under car:

A) inspect/clean/lubricate safety devices, linkages, car guides, selector tape, switches and hitches. x

B) inspect cable hitch and loops; load weighing devices. x

Inspect/lubricate pit hatch switches, cams and pit oil buffer. x

In car:

A) inspect and clean fixtures and signal in operating panel and car position and direction indicator. x x x x

B) check operation of emergency lights and bells. x x x x C) check handrails, ceiling panels and hang on panels for tightness. x x x x

D) check for tripping hazards. x x x x Hallway corridor:

A) inspect hall buttons, signal lamps, lanterns and hall position indicator. x x x x B) inspect starter station, key operation and lamps. x x x x Clean equipment and surrounding area. x x x x Fill out maintenance checklist. x x x x

7. Maintenance Requirement for Detectors of CPS W M Q SA A

Three (3) Master Modules (MM)

Clean with water and soap if needed x x x

Replace Filters x x x

Eighteen (18) Chemical Warfare Agent (CWA) Detectors

Clean Detectors with water and soap if needed x x x

Test Sensors x x x x

Replace Filters x x x x

Replace Test tube x

Replace 2SCCell Unit x

Replace Battery x

Four (4) Biological Warfare Agent (BWA) Detectors

Clean Detectors with water and soap if needed x x x

Replace Filter Cassette and collection filter at least after every alarm x x x x

Clean the inlet Prefilter x x x

Clean the Impactor x x x

Replace Air pump filters x

Repalce Air pumps x

Replace Sample pump x

One (1) Radiological Detector

Clean with water and soap if needed x x x

Replace Filters x x x

8. Maintenance Requirements of Various Pumps W M Q SA A Check exterior for leaks x x x x Check for excessive vibration or unusual noises x x x x Check for oil discolouration or foaming x x x Check the temperature of bearings x x x Inspect gasket for oil leaks x x x Inspect self flush pumps x x x Check heat tracing x x x Clean bearing covers x x x Inspect water cooling x x x Top up oil – if applicable x x x Clean oil bulbs x x x Inspect and replace guards x x x Clean dirt and debris from bearings x x x Grease the motor bearings x x x Inspect hydraulic governors oil levels x x x Check for leaks x x x Clean external debris from pump x x x Inspect pump and motor for excessive vibration damage x x x Grease bearings x x x Change the oil x x x Check suction and discharge x x x Check head pressure x x x Check hold down bolts for tightness x x x Inspect shaft pump alignment x x x Pump flow meter rate x x Motor amps x x Head pressure and pump discharge pressure x x Check exterior for corrosion, cracks, debris and scale. x x Clean chase threads x x Check for blockages in lubrication passages x x Grease lubricated bearings x x Replace worn housings x x Check stuffing box cover x x Analyse power consumption x x Grease motor bearings x x Check oil level x x Check flow rate x x Inspect casing for corrosion – replace if excessive wear x x Inspect gasket for deformities and mechanical seals x x Check impeller for erosion – replace is excessive wear or bent vanes x x Check shaft for excessive wear and corrosion, and shaft runout for water x x Inspect seal chamber for pitting x x Inspect for scoring on the chamber face x x

9. Maintenance Requirement of 2 Backflow Preventers W M Q SA A

Remove dust on backflow preventor x x x x

Visally check leaking part and install portable drain as required x x x x

Test Backflow Prevention Assemblies with manufacturer's guide x

Check pressure gauges x x

Check for corrosion & perform corrosion control x x x

Tighten backflow flanges x x x

Check unit for proper operation after maintenace x

Maintenance Requirement