Attachment C.pdf
PDF 982 KB Posted
- Attached to
- ASCO MAINTENANCE SERVICE AND PARTS
- Solicitation number
- 5400029928
- Issued by
- Richland County, South Carolina
About this file
This document is an ASCO Automatic Transfer Switch Scheduled Maintenance Checklist applicable to South Carolina's ASCO Maintenance Service and Parts contract opportunity. The checklist provides standardized procedures for the preventive maintenance and inspection of ASCO 962, 434, and 7000 series bypass model transfer switches. The maintenance procedures encompass 21 distinct tasks that address switchgear de-energization, safety lockout procedures, component inspection, cleaning, lubrication, contact testing, and operational verification. The checklist accommodates both de-energized and energized transfer switch statuses, with specific procedures tailored to each operational state. Key maintenance activities include vacuum cleaning of accumulated dust, solvent cleaning of dirt and grime, inspection of insulating parts for damage, contact resistance testing, millivolt drop readings across main contacts, and event log downloads for Group 5 Controller equipped units. Upon completion of all maintenance procedures, a computer-generated inspection report must be prepared and submitted to the customer.
The checklist serves as a quality assurance and documentation tool for ASCO Power Services, Inc., located at 160 Park Avenue, Florham Park, New Jersey, with Tax ID 22-2243534 and DUNS 79-016-2481. The document indicates that sample computer-generated reports are available upon request, and emergency service is provided through a dedicated hotline at (800) 800-ASCO (2726). This maintenance checklist appears to establish the performance standards and inspection protocols required for contracted maintenance services under South Carolina's ASCO maintenance agreement.
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Other files
| File | Type | Posted |
|---|---|---|
| Notice of Award Extension.doc | DOC document | |
| Amendment 1.docx | DOCX document | |
| Solicitation 5400029928.docx | DOCX document | |
| Attachment B.pdf | ||
| Attachment A.pdf |
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Text version
ASCO AUTOMATIC TRANSFER SWITCH SCHEDULED MAINTENANCE CHECKLIST
ASCO 962, 434 AND 7000 SERIES BYPASS MODELS DO NOT NEED TO BE DE-ENERGIZED
Transfer Switch Status
Procedure De-energized Energized
1. De-energize the switchgear and engine start signals. Yes No
2. Secure and lockout normal and emergency disconnects. Yes No
3. Remove the arc chutes and pole covers. Yes No
4. Verify and record all sensing and time delay functions in the switchgear. Yes Yes
5. Vacuum clean the accumulated dust from the switchgear and accessory panels. Yes Yes
6. Inspect for moisture or signs of previous wetness or dripping. Yes Yes
7. Remove dirt and grime with an approved solvent. Yes Yes
8. Clean and lubricate TS coil and operator linkage. Yes Yes
9. Inspect all insulating parts for cracks or discoloration due to excessive heat. Yes As Allowed
10. Inspect all main arcing contacts for excessive erosion. Yes Meter
11. Inspect all main current carrying contacts for pitting and discoloration due to excessive heat. Yes No
12. Perform contact resistance test on normal and emergency main contacts. Yes Meter
13. Inspect and clean all add-on panels and accessories. Yes Yes
14. Re-install arc chutes and pole covers. Yes N/A
15. Manually operate the main transfer movement to check proper contact alignment, deflection gap and wiping action and control contact operation.
Yes No
16. Check all cable and control wire connections to the transfer switch control and sensing panel and other system components and tighten if necessary.
Yes Controls Only
17. Reconnect Engine Start. Yes N/A
18. Re-energize the switchgear and conduct a test by simulating a normal source failure. Yes As Allowed
19. Perform millivolt drop readings across normal and emergency main contacts during transfer test.
Yes Yes
20. Download event log and ATS Settings (Group 5 Controller only) Yes No
21. Prepare Computer Generated Report* of inspection for each piece of equipment and submit to customer.
Yes Yes
*A sample of this report is available upon request.
ASCO Power Services, Inc. • 160 Park Avenue, Florham Park, NJ 07932 • Tax ID 22-2243534 • Duns 79-016-2481
EMERGENCY SERVICE (800) 800-ASCO (2726)
5400029928 -Attachment C
MISSION CRITICAL CARE
sesa484621 Sticky Note QR Code
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