Attachment 5 - Electrical Load Analysis AC Distribution.pdf

PDF 73 KB Posted

Attached to
60' Dive Support Boat Federal contract opportunity
Solicitation number
N6426725Q5016
Issued by
Department of the Navy Naval Sea Systems Command

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Written by GovTribe AI ·

This is an electrical load analysis spreadsheet showing AC power distribution requirements for a 60' dive support boat. The document details electrical loads across three voltage categories: 240VAC (for HVAC systems, water pumps, and various receptacles), 120VAC (for lighting, appliances, battery chargers, and general receptacles), and 480VAC (for dive compressors, hydraulic power units, and heavy equipment receptacles). The analysis breaks down usage factors and adjusted loads for different operational conditions including shore power, transit, and dive operations, in both summer and winter conditions.

The spreadsheet includes specific equipment loads such as multiple HVAC units for the main cabin, pilothouse and galley, water heaters, exhaust fans, battery chargers, and dive support equipment. Each line item specifies the quantity, phase, voltage, and usage factors. The document appears to be part of the technical specifications for procurement of a dive support vessel, providing detailed electrical system requirements that bidders must meet in their vessel design and construction.

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Description Supplier OEM P/N Qty Phase Volts Amps PF Attached Load (kW)

Usage Factor

Adjusted Load (kW)

Usage Factor

Adjusted Load (kW)

Usage Factor

Adjusted Load (kW)

Usage Factor

Adjusted Load (kW)

Usage Factor

Adjusted Load (kW)

Usage Factor

Adjusted Load (kW)

240VAC Loads Stbd #4 Main Cabin HVAC * 1 1 240 1.0 1.0 1.0 1.0 1.0 1.0 Pilothouse HVAC ** 1 1 240 1.0 1.0 1.0 1.0 1.0 1.0 D.E.R. 240VAC Receptacle 1 1 240 0.1 0.1 0.1 0.1 0.3 0.3 Water Heater 1 1 240 0.3 0.1 0.3 0.3 0.1 0.3 Port #1 Main Cabin HVAC * 1 1 240 1.0 1.0 1.0 1.0 1.0 1.0 Stbd #3 Main Cabin HVAC * 1 1 240 1.0 1.0 1.0 1.0 1.0 1.0 Aft Deck 240VAC Receptacle #1 1 1 240 0.1 0.1 0.1 0.1 0.3 0.3 Aft Deck 240VAC Receptacle #2 1 1 240 0.1 0.1 0.1 0.1 0.3 0.3 Aft Deck 240VAC Receptacle #3 1 1 240 0.1 0.1 0.1 0.1 0.3 0.3 Main Cabin 240VAC Receptacle 1 1 240 0.1 0.1 0.1 0.1 0.3 0.3 Engine Ventilation Exhaust Fan 1 1 240 0.1 1.0 1.0 0.1 1.0 1.0 Port #2 Main Cabin HVAC * 1 1 240 1.0 1.0 1.0 1.0 1.0 1.0 Port #1 Main Cabin HVAC Heat Module 1 1 240 0.0 0.0 0.0 1.0 1.0 1.0 Port #2 Main Cabin HVAC Heat Module 1 1 240 0.0 0.0 0.0 1.0 1.0 1.0 Stbd #3 Main Cabin HVAC Heat Module 1 1 240 0.0 0.0 0.0 1.0 1.0 1.0 Stbd #4 Main Cabin HVAC Heat Module 1 1 240 0.0 0.0 0.0 1.0 1.0 1.0 Pilothouse HVAC Heat Module 1 1 240 0.0 0.0 0.0 1.0 1.0 1.0 Galley HVAC *** 1 1 240 1.0 1.0 1.0 1.0 1.0 1.0 Galley HVAC Heat Module 1 1 240 0.0 0.0 0.0 1.0 1.0 1.0 Dive Room Exhaust Fan 1 1 240 1.0 1.0 1.0 1.0 1.0 1.0 Dive Room Intake Fan 1 1 240 1.0 1.0 1.0 1.0 1.0 1.0 Fresh Water Pump 1 1 240 0.1 0.2 0.5 0.1 0.2 0.5 HVAC Sea Water Pump 1 1 240 0.9 0.9 0.9 0.9 0.9 0.9 LP Compressor 1 1 240 0.1 0.2 0.5 0.1 0.2 0.5 Black Water Discharge Pump 1 1 240 0.1 0.0 0.0 0.1 0.0 0.0 120VAC Loads Port Engine Block Heater 1 1 120 0.1 0.0 0.0 0.6 0.0 0.0 Stbd Engine Block Heater 1 1 120 0.1 0.0 0.0 0.6 0.0 0.0 Port Generator Block Heater 1 1 120 0.1 0.0 0.0 0.6 0.0 0.0 Stbd Generator Block Heater 1 1 120 0.1 0.0 0.0 0.6 0.0 0.0 Engine Room Heater 1 1 120 0.0 0.0 0.0 1.0 1.0 1.0 Engine Room Receptacles 2 1 120 0.1 0.1 0.1 0.1 0.1 0.1 Lazarette Receptacles 1 1 120 0.1 0.0 0.0 0.1 0.0 0.0 Lazarette Fan 1 1 120 0.1 0.5 0.5 0.1 0.5 0.5 Window Defogger / Head Recpt 5 1 120 0.0 0.1 0.1 0.0 0.5 0.2 Fwd Ventilation Fan 1 1 120 0.1 0.5 0.5 0.1 0.5 0.5 Galley Receptacles 4 1 120 0.1 0.5 0.5 0.1 0.5 0.5 Exterior Deck Lighting 14 1 120 0.1 0.5 0.5 0.1 0.5 0.5 Exterior Upper Deck Lighting 3 1 120 0.1 0.1 0.5 0.1 0.1 0.5 Bowthruster Battery Charger 1 1 120 0.5 0.0 0.0 0.5 0.0 0.0 Dive Room Receptacles 4 1 120 0.1 0.1 0.2 0.1 0.1 0.3 Dive Equip Rm Heater 1 1 120 0.0 0.0 0.0 1.0 1.0 1.0 Lazarette Heater 1 1 120 0.0 0.0 0.0 1.0 1.0 1.0 Aft Deck Receptacles #1 2 1 120 0.1 0.1 0.2 0.1 0.1 0.3 Aft Deck Receptacles #2 2 1 120 0.1 0.1 0.2 0.1 0.1 0.3 Main Engine / Gen Battery Charger 1 1 120 0.5 0.0 0.0 0.5 0.0 0.0 House Battery Charger 1 1 120 0.5 0.0 0.0 0.5 0.0 0.0 Galley Heater 1 1 120 0.0 0.0 0.0 1.0 1.0 1.0 Monkey Heater 1 1 120 0.0 0.0 0.5 0.0 0.0 1.0 Refrigerator 1 1 120 0.3 0.3 0.3 0.3 0.3 0.3 Fire Alarm System 1 1 120 0.1 0.1 0.1 0.1 0.1 0.1 Coffee Maker 1 1 120 0.3 0.3 0.3 0.3 0.3 0.3 Microwave Oven 1 1 120 0.1 0.1 0.1 0.1 0.1 0.1 Main Cabin Receptacles 7 1 120 0.1 0.5 0.5 0.1 0.5 0.5 Pilothouse Receptacles 2 1 120 0.1 0.1 0.1 0.1 0.1 0.1 Pilothouse Lighting 1 1 120 0.3 1.0 1.0 0.3 1.0 1.0 TOTAL 120 and 240 VAC LOADS (kW) Available Power (1 Generator) Load as a Percentage of Available Power (%)

Summer Conditions Winter Conditions ShoreShore Transit Dive Operations Dive OperationsTransit

Description Supplier OEM P/N Qty Phase Volts Amps PF Attached Load (kW)

Usage Factor

Adjusted Load (kW)

Usage Factor

Adjusted Load (kW)

Usage Factor

Adjusted Load (kW)

Usage Factor

Adjusted Load (kW)

Usage Factor

Adjusted Load (kW)

Usage Factor

Adjusted Load (kW)

480 VAC Loads DER 480VAC Receptacle 1 3 480 0.1 0.0 0.1 0.1 0.0 0.1 Main Cabin 480VAC Receptacle 1 3 480 0.1 0.0 0.1 0.1 0.0 0.1 Dive Compressor 1 3 480 0.9 0.0 0.9 0.9 0.0 0.9 Seawater Pump / Cofferdam Eductor 1 3 480 0.0 0.0 0.3 0.0 0.0 0.3 Hydraulic Power Unit, 15HP 1 3 480 0.0 0.0 0.3 0.0 0.0 0.3 Aft Work Deck Receptacle 480VAC 1 3 480 0.1 0.0 0.1 0.1 0.0 0.1 TOTAL 480 VAC LOADS (kW) Available Power (1 Generator) Load as a Percentage of Available Power (%)

Total Loads (480VAC & 240/120VAC) (kW) Available Power w/ Paralleled Generators, XXkW each (kW) Load as Percentage of Available Power w/2 generators (%)

Winter ConditionsSummer Conditions Dive Operations TransitShore Dive OperationsTransitShore

File details come from the government source that posted it. Updated .