Change page style: 

Gemini Photo-Voltaic Array Power System Installation RFB

December 3rd, 2014

As part of Gemini’s comprehensive energy savings initiative, Gemini North Telescope Facility (GN) seeks to install a 98.1 kW, net-energy metered photo-voltaic power system on the GN support building located on the summit of Mauna Kea, Hawaii, at an elevation of 13,775 ft.

The proposed PV Array shall consist of 306 PV modules with a nominal rated capacity of 100 kW plus six 24 kW 480 3-phase decentralized Inverters. The PV panels would be located on the roof of the Gemini North Observatory support building at an elevation of 13,775 ft above sea-level. The decentralized inverters would be located inside the support building in the plant room exhaust tunnel.

Gemini plans to have work begin on the installation of the PV array in February 2015 (weather permitting) and anticipates it will be completed in 2-3 weeks (weather permitting). See Section II for detailed scope of work, technical specifications, and minimum qualifications required for contractors.

RFB Schedule:
RFB Issued: 3 December 2014
Bidders Conference: 11 December 2014
Bids Due: 23 December 2014 at 23:00 Pacific Standard Time

Request for Bid Documents:

PV Array RFB Selection EventsDate
Release RFB 3 December 2014
Notice of Intent to Attend Pre-Bid 10 December 2014
Mandatory Contractor’s Pre-Bid Site Visit 11 December 2014
Intent to Bid 17 December 2014
Bid Deadline 23 December 2014
Award Issued 15 January 2015
Execute Contract/Commence Work 15 February 2015

Mandatory Contractor’s Pre-Bid Meeting Information
On December 11, 2014, Gemini will host a bidders meeting/site visit scheduled for 8:00 o’clock A.M. (HST). All Contractors interested in bidding on the Gemini North Observatory: Installation of a 98.1 KW PV Array System must attend the scheduled pre-bid/site visit meeting. Attendees will participate in a meeting to discuss the scope of work and technical specifications, view the site of the work, and discuss the services needed.

Contractors must notify the AURA Contracts Office via email at no later than 4:00 PM HST on Wednesday, December 10 to confirm their attendance, submit mandatory Safety Release form, and to obtain directions, if necessary.

Attendees of the Mandatory Contractor’s Pre-Bid Site Visit shall meet first at the Onizuka Center for International Astronomy Visitor Information Station (VIS) at 8:00 am to acclimate, then shall proceed in a caravan to the summit at 8:45 am. The Contractor’s Visitor Information Guide includes a map to the designated parking lot and meeting area. Contractors need to provide their own transportation; 4WD highly recommended due to unpredictable weather conditions.

RFB Questions and Answers and Amendments
All questions must be emailed to Please do not contact a Gemini employee directly with questions. All questions and answers will be posted on the website. Please be sure to check back regularly for updates.

GN PVA Pre-Bid Meeting Attendees

RFB GN PVA Installation Questions/Answers 17 December 2014

All amendments to the Request for Bid documents are posted below in order of the date released. Please review prior to submitting your bid.

RFB- N0545030 Gemini North Observatory: Installation of a 98.1 kW PV Array System, Amendment #2, Amendment #1.

Gemini Observatory Participants