Download REPORT NUMBER DO-30571 TE/CRG TITLE Supply and

REPORT NUMBER DO-30571 TE/CRG
TITLE Supply and installation of two vacuum insulated transfer lines for cold
nitrogen
CERN Abstract
This technical specification concerns the design, manufacturing, supply and installation of a liquid
nitrogen vacuum
insulated supply line, and a gaseous nitrogen vacuum insulated exhaust line for a new cryogenic
test facility currently
under construction in building 180 at CERN.
Deliveries are foreseen over four months from notification of the contract.
To be considered for this Price Enquiry, the bidder shall have proven experience of at least five
years in the design and
manufacture of vacuum insulated transfer lines, both flexible and rigid, covered by multilayer
insulation, and their
installation on the client’s premises.
To prove the experience, the bidder shall provide at least three references of project which are
similar in scope and
complexity during the last five years.
Start Time 18-May-17
End Time 08-Jun-17
Cost Range ILO - <200K
ACTIVITY CODE 06020205
Main Category Vacuum and low temperature
Sub Category Low-temperature
Category Storage and transport of cryogens
Section Vacuum insulated transfer line
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REPORT NUMBER DO-30645 TE/LHC
TITLE Supply of enamelled vacuum flanges
CERN Abstract
The purpose of this price enquiry is the award of a contract for the supply of enamelled vacuum
flanges (hereinafter referred to, in whole or in part, as the “supply”) in accordance with the price
enquiry documents.
-- Material
Raw material (stainless steel 304L) is not supplied by CERN.
-- Manufacturing
The contractor shall be responsible for the production of its own manufacturing drawings, applicable
to its organization and production methods, in order to produce parts in compliance with CERN
technical drawings.
The main steps for the manufacture:
1. Rough machining;
2. Stress relieve by heat treatment according to the Annex 1;
3. Finishing of external diameters;
4. Enamelling;
5. Finishing of internal diameters.
Start Time 18-May-17
End Time 07-Jun-17
Cost Range ILO - <200K
ACTIVITY CODE 06010501
Main Category Vacuum and low temperature
Sub Category Vacuum
Category Vacuum flanges
Section High Vacuum (HV) flange
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REPORT NUMBER DO-30532 TE/HL/LHC
TITLE Supply of universal expansion joint assemblies for the bypass cryostats
CERN Abstract
This technical specification concerns the supply of 54 universal expansion joints of internal
diameters between 50 mm and 80mm and about 2m length for the series of the bypass cryostats of
the High Luminosity LHC project at CERN.
Deliveries are foreseen over six months from placement of the contract.
The firm shall have a proven experience in the design, production and testing of universal
expansion joints assemblies and shall give at least three references of projects which are similar
in scope, complexity and volume during the last three years.
Start Time 18-May-17
End Time 13-Jun-17
Cost Range ILO - <200K
ACTIVITY CODE 06010102
Main Category Vacuum and low temperature
Sub Category Vacuum
Category Vacuum bellows
Section Formed - circular
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