Large Binocular Telescope Project

Bidding Documents

This page contains the Requests for Proposals for the fabrication of various components of the Large Binocular Telescope. Vendors throughout North America and Europe are invited to participate.

General Information

Work Packages Released for Bidding

Hardpoint Components
RFP released on 19 May 2009
Proposals accepted until 08 June 2009

Mask Manufacturing Unit
RFP released on 08 May 2009
Proposals accepted until 15 June 2009



Work Packages with Offers Received

Dynamic Balancing System Piping Installation
RFP released on 21 May 2007
Proposals accepted until 04 June 2007

Revised RFP released on 13 June 2007
Proposals accepted until 29 June 2007

Mask Manufacturing Unit
RFP released on 01 May 2007
Proposals accepted until 01 June 2007

Tertiary Flat Mirror Polishing
RFP released on 09 August 2006.
Proposals accepted until 15 September 2006.

Proposal deadline has been extended to 29 September 2006.

Thin Secondary Shell
RFP released on 28 February, 2006
Proposals accepted until 5 April, 2006
Telescope Cooling System
RFP released on August 26, 2004
Proposals accepted until September 16, 2004
Telescope M1 Mirror Covers
RFP released on April 23, 2004
Proposals accepted until May 27, 2004
The proposal deadline has been extended until June 7, 2004
Telescope Packing & Transportation
RFP released on January 23, 2001
Proposals accepted until February 28, 2001
The proposal deadline has been extended until March 20, 2001

Best and final offers due on May 29, 2001

Enclosure Cable Chain & Support
RFP released on Nov 29, 1999
Proposals accepted until January 12, 2000

The proposal deadline has been extended until January 19, 2000.
Bell Jar Carriage
RFP released on September 15, 1999
Proposals accepted until October 14, 1999
Telescope Swing Arm Spiders
RFP released on June 2, 1999;
Proposals accepted until July 7, 1999.
Telescope Instrument Rotator Bearings
RFP released on March 22, 1999;
Proposals accepted until April 21, 1999.

The proposal deadline has been extended until April 28, 1999.

Telescope Driving Systems
RFP released on January 11, 1999;
Proposals accepted until February 11, 1999.
Telescope Azimuth Radial Bearing
RFP released on October 13, 1998;
Proposals accepted until November 19, 1998.
Pier - Upper Ring Steel Structure
RFP released on July 2, 1998;
Proposals accepted until August 20, 1998.
Central Derotators' Structure
RFP was not released for public bid.
Rotating Enclosure Gears and Motors
Released on November 12, 1997;
Proposals accepted until November 25, 1997.

The proposal deadline has been extended until December 1, 1997.

Elevation Platform and Windbracing
RFP released on September 1, 1997;
Proposals accepted until October 29, 1997.
Azimuth Frame Structure
RFP released on September 1, 1997;
Proposals accepted until October 29, 1997.
Azimuth Ring and C-Ring Structures
RFP released on September 1, 1997;
Proposals accepted until October 29, 1997.
M1 Cells, Bell Jar and Dummy Cell
RFP released on September 1, 1997;
Proposals accepted until October 29, 1997.
Telescope Factory Pre-Erection
RFP released on September 1, 1997;
Proposals accepted until October 29, 1997.
Telescope Pre-Bidding Announcement
Distributed on August 8, 1997.
See packages below.
Hydrostatic Bearing System
RFP released on July 30, 1997;
Proposals accepted until October 3, 1997.

The proposal deadline has been extended
until October 17, 1997.
Enclosure Cranes
RFP released on July 9, 1997;
Proposals accepted until August 22, 1997.

The proposal deadline has been extended
until August 26, 1997.
Enclosure Rotation Bogies and Drives
RFP released on June 16, 1997;
Proposals accepted until July 23, 1997.

The proposal deadline has been extended
until July 30, 1997.

Embedded Beam and Circular Rail
RFP released on June 2, 1997;
Proposals accepted until July 2, 1997.

LBT Project home page

Written and authored by: S. Clapp, J. M. Hill, A.R. Lampis, J. Rigoli and Y.Y. Shlemenzon

Coordinated by:
J. M. Hill: jhill@as.arizona.edu

Last modified: Tue May 26 11:13:25 2009