WORK ITEM 1: Ship Service Diesel Generator, Load testing, perform

1.  SCOPE

1.1 Intent. This work item describes the requirements for the Contractor to perform load testing of designated Ship Service Diesel Generator (i.e., SSDG) listed in Table 1.

TABLE 1 – LIST OF SHIP SERVICE GENERATOR

CATERPILLAR mODEL NO.

DESCRIPTION

location

3512B

No.2 Ship Service Diesel Generator,1360 KW, 450 Volt AC, 3 Phase, 60 Hz

Forward Main Machinery Room (5-44-01-E)

1.2 Government-furnished property.

None.

2.  REFERENCES

Coast Guard Drawings

Coast Guard Drawing 750-WMSL-501-002, Rev E, Machinery Arrangements (ASC501001)

Coast Guard Drawing 418A-WMSL-801-001, Rev A, Booklet of General Plans

Coast Guard Publications

Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2022, General Requirements

Coast Guard Technical Publication (TP) 7119, Ship Service Diesel Generator - Model 3512B

Coast Guard Technical Publication (TP) 7165B, Ship Service Switchboards 1S, 2S, 3S & 1SP Shore Power – Operation, Maintenance & Installation – Volume 1

Coast Guard Technical Publication (TP) 7166B, Ship Service Switchboards 1S, 2S, 3S & 1SP Shore Power – Operation, Maintenance & Installation – Volume 2 & 4

Coast Guard Technical Publication (TP) 7167, Ship Service Switchboards 1S, 2S, 3S & 1SP Shore Power – Operation, Maintenance & Installation – Volume 3

Other References

COMDTINST 9077.1 (series) Equipment Lockout-Tags-Plus Instruction

MIL-STD-1310, Sep 2009, Shipboard Bonding, Grounding, and Other Techniques for Electromagnetic Compatibility and Safety

3.  REQUIREMENTS

3.1 General. contractor to provide load bank and OEM technical representative services to oversee overall break-in and run-up procedures for reassembled Caterpillar 3512B engine, to include all steps required from initial startup to satisfactory completion of 100% load operation for OEM prescribe timeframe.

3.1.1 CIR.

None.

3.1.2 Tech Rep. 

None.

3.1.3 Protective measures.  The Contractor must furnish and install all protective measures in accordance with SFLC Std Spec 0000, paragraph 3.3.3 (Vessel component, space, and equipment protection).

3.1.4 Interferences.  The Contractor must handle all interferences in accordance with SFLC Std Spec 0000, paragraph 3.3.5 (Interferences). Known interferences include, but are not limited to the following:

• Piping
• Electrical Cables
• Switchboard Enclosure
• Vent Ducting
• Motor Operated Valves

3.1.5 Background information.  SSDG listed in Table 1 will be modified by the Coast Guard for the following task:

• Generator Bearing Replacement
• Shaft Alignment
• Pinning and Machine Work
• Diesel Engine Top-end Overhaul

3.1.5.1 After completion of above listed tasks, this Work Item is to be used for the Contractor to perform load testing of designated SSDG listed in Table 1.

3.2 Work location. The concerned work area is listed in Table 1. See the applicable drawings in References in Paragraph 2 for guidance, locations, and details.

3.2.1 Proposed temporary cable routing must be developed using USCG Dwg 418A-WMSL-801-001. Submit a CFR.

3.2.1.1 Temporary load bank cables must be routed from the switchboard to the load bank via a single route, and must not be routed separately by any method which would lead to unbalanced phase cables to transit through hull or bulkhead openings.

3.3 Grounding.  The Contractor must ensure conductive surfaces of the load bank enclosure are appropriately bonded and grounded for protection of personnel.

3.4 Contractor Furnished Materials (CFM).  The Contractor must furnish materials listed in the Table 2 for load testing of the SSDG listed in Table 1.

TABLE 2 – CONTRACTOR furnish MATERIALS

MATERIALS

description

SOURCE OF SUPPLY

Load Bank

1500 KW, 450 Volt AC, 3 Phase, 60 Hz, Resistive

Electrical Equipment’s Rental Company

Load Bank Cables

Approximate length of 300 Feet Cables with ring tongue compression lugs, 6 Paralleled #4/0 copper (single conductor) per phase (18 Total x 300 Feet) and one additional length for the equipment grounding conductor or Six