Att_1_-_SOW_for_RFP_W9128A-19-R-0016_Am0003.pdf

Solicitation No. W9128A-19-R-0016 Install Relays at Castner, Menoher, and Wheeler Army Airfield (WAAF) substations, Schofield Barracks, Oahu, Hawaii

SCOPE OF WORK

05 Aug 9 Sept 2019

Electrical Scope of Work:

1. Replace 36 38 existing electromechanical relays with Government furnished/Contractor installed (GFCI) 125VDC SEL 751 relays at Schofield Barracks Castner & Menoher Wheeler Army Airfield (WAAF) Substations (see Attachment 6 for relay product data and Attachment 7 for Instruction Manual).

2. Replace 15 13 existing electromechanical relays with GFCI 48VDC SEL 751 relays at Wheeler Army Airfield (WAAF) Menoher Substation (see Attachment 6 for relay product data and Attachment 7 for Instruction Manual).

3. Replace 1 ea. additional existing electromechanical relay with GFCI relay in spare or tie compartment at Castner, Menoher, and WAAF Substations. Location of additional protective device and relay settings to be determined by DPW.

4. Contractor will modify all wiring and enclosures as required, install relays, set relays to the settings provided and perform testing.

5. Contractor shall adjust new relays to settings indicated in attached Relay setting Update tables for Castner/Menoher and WAAF substations (see attachment 1 for relay setting table, attachments 2, 3 & 4 for base 1-line diagrams).

All work shall conform to the most current editions of NFPA 70, IEEE C2, UFC 3-560-01, NEMA ICS 1, NEMA ICS 2, AND NEMA ICS 3 requirements for installation of control and protective devices.

The contractor shall verify existing conditions and dimensions at the jobsite prior to the commencement of work and shall immediately notify the contracting officer of any discrepancies. There are no As-Built hard copy, digital, or CADD files for the existing switchgear enclosures.

The contractor shall become familiar with the existing switchgear, relays, and associated GFCI equipment prior to the commencement of work to minimize any delays during installation

Relays and associated GFCI equipment may be obtained by contacting DPW. POC Mr Keith Yamanaka, Energy Branch Chief, Ph # (808) 656-1036

The contractor shall make arrangements to perform installation of relays in spare compartments (Item 3 in scope of work) prior to installation of relays in active substation compartments to determine if any complications arise. Coordination POC shall be Mr. K Yamanaka.

Prior to any disruption of the existing Schofield Barracks or WAAF primary electrical systems, the contractor shall be responsible for obtaining an approved US Army Garrison, Directorate of Public Works Electrical Outage Permit (see attachment 5).

The Contractor shall coordinate with DPW (POC Mr. K. Yamanaka) once the outage requests have been approved for any work requiring DPW’s assistance.

To minimize number/duration of utility outages, the contractor shall schedule work to combine relay installations where possible.

Amendment 0003

Solicitation No. W9128A-19-R-0016 Install Relays at Castner, Menoher, and Wheeler Army Airfield (WAAF) substations, Schofield Barracks, Oahu, Hawaii

SCOPE OF WORK

05 Aug 9 Sept 2019

The Contracting Officer shall be given 5 working days' advance notice of the dates and times for checks, settings, and tests.

All exterior electrical enclosures shall be rated NEMA 4X. Touch up paint shall be provided for all exposed metals of the enclosures after installation to match existing enclosure.

Preconstructions submittals. Government approval is required for the following submittal. Submit the following in accordance with Section 01 33 00 Submittal Procedures:

Shop Drawings. Shop drawings shall include wiring diagrams and installation details of equipment indicating proposed location, layout and arrangement, control devices, accessories, conduit/wiring runs, and other items that must be shown to ensure a coordinated installation.

Wiring diagrams shall be done by a registered engineer and shall identify circuit terminals and indicate the internal wiring for each item of equipment and the interconnection between each item of equipment. Shop drawings do not have to be provided in CADD format.

Relays shall be installed, visually and mechanically inspected, adjusted, tested, and calibrated in accordance with the manufacturer's published instructions. Tests shall include pick-up, timing, contact action, restraint, and other aspects necessary to ensure proper calibration and operation. Relay settings shall be implemented in accordance with attached relay setting tables. Relay contacts shall be manually or electrically operated to verify that the proper breakers and alarms initiate. Relaying current transformers shall be field tested in accordance with IEEE C57.13. Tests shall be performed in the presence of the contracting officer or an authorized representative. The contractor shall furnish all instruments and personnel required for the tests, and the government shall furnish the necessary electric power.

Pre-Energization Services. The following services shall be performed subsequent to testing but prior to the initial energization. The equipment shall be inspected to ensure that installation is in compliance with the recommendations of the manufacturer. Terminations of conductors at major equipment shall be inspected to ensure the adequacy of connections. Bare and insulated conductors between such terminations shall be inspected to detect possible damage during installation. Components shall be inspected for damage caused during installation or shipment to ensure packaging materials have been removed. Components capable of being both manually and electrically operated shall be operated manually prior to the first electrical operation.

Submit record drawings, within 30 days after completion of equipment installation and acceptance testing. Update electrical system drawings to reflect final record as-built conditions after all related work is completed. Record As-Built drawings shall be in CADD format per specification section 01 78 00 paragraph 1.2 Project Record Documents and subsequent paragraphs.

Amendment 0003