Instructions to Offerors.pdf

PDF 147 KB Posted

Attached to
Purchase Aircraft Ground Power Unit (GPU) Federal contract opportunity
Solicitation number
70Z03823QE0000082
Issued by
Department of Homeland Security US Coast Guard

About this file

This document provides instructions to offerors responding to solicitation number 70Z03823QE0000082 for the purchase of an aircraft ground power unit by the United States Coast Guard. The solicitation requires one 2400 60 kVA compact vertical ground power unit manufactured by ITW GSE, Inc with a CAGE code of 0SMN2. The unit must have a 28VDC output and be delivered within 60 days of order receipt. The evaluation criteria are technical acceptability assessed on a pass/fail basis, speed of delivery, and price. Technical acceptability will be determined by the offeror's ability to provide a new, commercially manufactured item meeting all requirements.

View the file

Other files for this federal contract opportunity

Other files attached to Purchase Aircraft Ground Power Unit (GPU), newest first.
File Type Posted
Terms and Conditions.pdf PDF

On GovTribe

Work with this file on GovTribe

  • Download the original file
  • Contacts named in this file
  • Similar government files
  • Ask GovTribe AI about this file

Text version

COMBINED SYNOPSIS/SOLICITATION 70Z03823QE0000082

INSTRUCTIONS TO OFFERORS

52.212-1 Instructions to Offerors - Commercial Items Mar 2023

Evaluation Criteria

Factor 1 – Technical Acceptability/Performance

Factor 2 – Speed of Delivery

Factor 3 – Price

Evaluation Method

52.212.2 Evaluation-Commercial Items Oct 2014

(a) The Government will award a contract resulting from this Request for Quote (RFQ) to the responsible offeror whose quotation conforming to the RFQ is the most advantageous to the Government, price and non-price factors considered. The following factors shall be used to evaluate the quotations and are listed in relative order of importance:

Factor 1 – Technical Acceptability

Factor 2 – Speed of Delivery

Factor 1 – Technical Acceptability

The Government will assess the information submitted with the offeror’s quotation to determine how well the product meets the salient characteristics of this solicitation. Technical acceptability will be evaluated to determine an overall pass/fail rating according to the ability of the offeror to provide new manufactured commercial items that meet all of the requirements of this solicitation.

Schedule of Supplies and Salient Characteristics

The United States Coast Guard (USCG) requires the items listed in the Schedule of Supplies on a brand name or equal basis. The brand name and Original Equipment Manufacturer (OEM) of the aircraft ground power unit is

ITW GSE, Inc. (CAGE Code: 0SMN2).

Line Item 1

Nomenclature/Description: 2400 60 kVA Compact Vertical Ground Power Unit (GPU) with 28VDC Output

Part/Model Number: AP-578673

Quantity: one (1) each

Manufacturer CAGE Code: 0SMN2

Required Delivery Date: sixty (60) days after receipt of order (ARO)

The following information describes the essential characteristics and functions of the required equipment to meet the minimum needs of the Government.

Input Power

• Voltage: 480VAC +/- 10%

• Hertz: 60Hz

• Amps (@0.8): 63 A

• Amps (@1.0): 78 A

• Rectification: Magnetic wave-shaping

• Line current distortion: 60 kVA < 9%

• Power factor: 60 kVA: 0,99: 1 @ nominal load

• Inrush current: None

Output Power

➢ 400Hz AC Specifications

• Rated Power: 60 kVA = Power Factor 0.8 - 1

• Voltage: 3 x 115/200 V

• Frequency: 400 Hz 0,1%

• Power factor: 0,7 lagging to 0,95 leading

• Voltage regulation: <0,5% for balanced load and up to 30% unbalanced load

• Voltage recovery: ΔU <8% and recovery time <10 ms at 100% load change

• Total harm. content: <2% at linear load (typ. 1,5%) <2% at non-linear load according to ISO 1540

• Crest factor: 1,414 3%

• Voltage modulation: <1,0%

• Phase angle symmetry: 120° 1° for balanced load / 120° 2° for 30% unbalanced load

➢ 28VDC Specifications

• 28 VDC, 600 A output (ARU)

• Output Voltage: 28 VDC (Max. output power for complete unit is limited to the nominal rating of the 400Hz part of the unit)

• Current: 600 A (400 A) continuously

• Voltage regulation: < 0,5%

• Voltage ripple: < 2%

• Voltage transient recovery Complies with ISO 6858 / MIL-704F

Protection

➢ 400Hz

• Protection class: IP55

• No break power transfer

• Over/under voltage at output

• Overload

• Internal high temperature

• Control voltage error

• Short circuit at output

• GPU enable

• 90% switch interlock

• Neutral voltage supervision

• Broken neutral supervision

• Leakage current supervision

➢ 28VDC ARU

• Rectifier temperature too high

• Short circuit at output

• Over and under voltage at output

• U < 20 VDC for more than 4 seconds

• U > 32 VDC for more than 4 seconds

• U > 40 VDC for more than 150 ms

Efficiency (400Hz)

• Overall efficiency: 0,94 at 35-90 kVA load Power Factor 0.8 0.90

• Stand by losses: 65 W

• No load losses: 2,2 kW

Overload Ratings

➢ 400Hz

• 125% for 600 seconds

• 150% for 60 seconds

• 200% for 30 seconds

• 300% for 10 seconds

• 400% for 1 second

➢ 28VDC

• Overload capability: 600 A (400 A)

• 1200 A (800 A) for 30 seconds

• 1800 A (1200 A) for 10 seconds

• 2100 A (1400 A) for 5 seconds

• 2400 A (1600 A) for 2 seconds

• Protection, output voltage is decreased by 2 V per 600 A (400 A) in the overload range 600-2400 A (400-

1600 A) Complies with ISO 6858

28VDC Setup

• Output voltage: 19-33 V

• Voltage compensation: 0-3 V (600/400 A)

• Current limit: 300-2400 A in steps (600 A units)

Environmental

• Operating temperature: -40°F to +132°F (+60°C (+140°F) at Aircraft Load)

• Relative humidity 10-100%

• Noise level <65 dB(A) @1m - typically 60 dB(A)

Miscellaneous

• Combined (400Hz & 28VDC)

• 60 inches tall maximum

• 24 inches square maximum

Compliant with the Following Standards

• DFS400 Specification for 400 Hz aircraft power

• ISO 6858 Aircraft ground support electric supplies

• BS 2G 219 General requirements for ground support equipment

• MIL-STD-704F Aircraft electric power characteristics

• SAE ARP 5015 Ground equipment 400 Hz ground power performance requirement

• EN2282 Aerospace series characteristics of aircraft electrical supplies

• EN62040-1-1 General & safety requirement

• EN61558-2-6 General & safety requirement

• EN61000-6-4 Electromagnetic compatibility Generic emission standard

• EN61000-6-2 Generic immunity standard

• EN1915-1&2 Machinery; general safety requirements

• EN12312-20 Machinery; specific safety requirements

• Listed per UL1012 (Valid for 480/600V v

If offering the products of the listed OEM, all parts must have clear traceability to the OEM including the OEM’s

Certificate of Conformance (COC) IAW FAR 52.246-15. Traceability is defined as a clear, complete, documented, and auditable paper trail which traces each step from an OEM or distributor to its current location.

Contractors providing “equal to” items shall clearly indicate so in their offer and include the OEM of each item.

“Equal to” offers shall include a product description along with detailed specifications, product characteristics, processing/handling guidance, illustrations, pictures, and other information sufficient to enable the Contracting

Officer to determine that the quoted product is “equal to” the brand-name product. Specific website addresses containing this information may be provided in lieu of product literature. The offeror must clearly demonstrate that the quoted product is “equal to”; the offeror’s assertion is insufficient. The Contracting Officer is not responsible for locating or obtaining any information not identified in the offer.

Factor 2 – Delivery

Under this factor, the Government will evaluate the offeror’s delivery schedule to determine which offeror is able to meet or exceed the required delivery timeframe.

The offeror shall provide pricing as requested in the Schedule. Any quantity price discounts and discounts for prompt payment should be included in this section. The offeror’s quotation will be evaluated using one or more of the techniques defined in FAR 13.106-3, in order to determine if pricing is fair and reasonable.

Submission of Quotes and Additional Instructions:

Quotes and supporting documentation for “equal to” items shall be emailed directly to Mrs. Geneva James, Purchasing

Agent, at Geneva.K.James@uscg.mil no later than the closing date of this solicitation. Offerors shall quote on an “all or none” basis.

Items shall be shipped to the following address:

USCG Aviation Logistics Center

Receiving Section, Bldg. 63

1664 Weeksville Road

Elizabeth City, NC 27909-5001

Purchase Order Number: (to be determined at time of issuance)

Quotes shall include the following information:

A. Part numbers and manufacturer of items being offered

B. If offering “or equal” items, include any supporting documentation necessary to demonstrate its compliance with all of the listed salient characteristics

C. Unit price

D. Lead/delivery time

E. Delivery terms and estimated shipping costs if FOB Origin. ALL QUOTES WILL BE CONSIDERED

F.O.B. DESTINATION UNLESS F.O.B. ORIGIN IS CLEARLY STATED AND SHIPPING

COSTS ARE INCLUDED.

mailto:Geneva.K.James@uscg.mil

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