| August 2003 |
- 15km of old cables have been removed from the false floor on the
cleared half of the machine room. ST upgrade work starts.
- Start of the civil engineering work for the new substation.
|
| July 2003 |
- All computing equipment from the right hand side of the machine room
has been migrated to the vault.
|
| June 2003 |
- Tony Cass gives presentation (ppt,
pdf) at post-C5. The
division accepts the proposal for the future machine room layout.
|
| November 2002 |
- The vault is handed over for the installation and migration of IT
equipment.
|
| October 2002 |
- Tony Cass gives presentation (ppt,
pdf) at post-C5. The
division accepts proposals to limit UPS lifetime for critical equipment
to 5 minutes and to create a bunker to house the new substation under
the main B513 carpark.
- An external review of the upgrade is
organised with the final report
being delivered in December.
|
| September 2002 |
- Vault conversion in final stages. False floor installed and PDUs and
air conditioning units in place. Final finishing (cleaning, painting)
underway before acceptance tests.
|
| June 2002 |
- Vault floor is painted and installation of equipment below the
false floor starts.
|
| April 2002 |
- Major civil engineering work in the vault is complete. Installation
work starts at ceiling level (e.g. lights).
|
| February 2002 |
- 19th: Demolition work starts in the vault
- 14th: Preliminary approval from the Site Committee for
the bunker under the main car park to house equipment for the new
substation.
|
| December 2001 |
- All active equipment has been removed from the vault. Partitions and
false flooring are removed and the dismantling of obsolete electrical
and air conditioning equipment starts.
|
| November 2001 |
- Plans for a bunker to house the new substation take shape. Initial
size and cost estimates seem reasonable, but there will be an impact
on the main car park.
|
| August 2001 |
- Work to empty the vault of tape robots, archived tapes and other
equipment starts in earnest. See the picture record of the
IT equipment move and the
general cleanup.
|
| 29th June 2001 |
- Tony Cass gives presentation (ppt,
pdf) at post-C5.
The division accepts the proposals to convert the vault to a machine
room area and to ensure a strict separation between machine room and
non-machine room activities.
|
| May-June 2001 |
- It becomes evident that it will be difficult to house a substation
(required for B513 to be in the 18kV ring), associated high and low
voltage switchgear and UPS system(s) within the existing B513. Various
alternatives are considered for providing extra space, including
constructing a new building, radically revamping parts of the basement
and placing transformers on the roof. The most attractive option
appears to be through the addition of a "bunker" under the
main car park on the Tortella's side of the building.
|
| March 2001 |
- Jukka Lindroos concludes that duct-free room air conditioning units
are an adequate solution for the vault---thus increasing the clearance
available for equipment. Moreover, the
estimated
cost (350KCHF) is less than that for the "classical"
solution.
|
| February 2001 |
|
| 22nd January 2001 |
- Tony Cass & Anne Funken visit Intel colocation centre in Reading
as part of a general visit. Intel also use duct free air-conditioning
units.
|
| 18th/19th December 2000 |
- A review of B513 construction and options is carried out by
Bellwater, a Computer Centre construction and consultancy company.
Their report favours building a mezzanine over either the barn or part
of the existing computer room. Although there is some cost advantage,
their main reason for favouring this option is the limited clearance
in the basement.
|
| 15th December 2000 |
|
| 20th October 2000 |
- Tony Cass & Dave Underhill visit the Reuters Computer
Centre in Geneva. Visit
notes also available in Word
format. The pictures
are in powerpoint format. One interesting point is the
rotary
UPS system---a cross between a UPS and a diesel generator.
|
| 29th September 2000 |
- Tony Cass, Anne Funken & Dave Underhill visit Crédit Suisse Computer
Centre in Zurich. Visit
notes also available in
Word
format.
|
| July 2000 |
- Funding allocated for removal of redundant pipework in the vault
(for sprinkler system and Cray cooling) and to clearout the MG room.
|
| 9th June 2000 |
- Anne Funken & Tony Cass visit CERN stores and conclude that
expanding vertically in the machine room is not advantageous. (Visit notes
available in html and
word
format.)
|
| 19th May 2000 |
- Tony Cass gives presentation (ppt,
pdf) at post-C5.
It is pointed out that the need for extra space means using the vault or the
barn---and that work to recuperate this space should start in 2001. TC favours using the vault as
this offers greater long term flexibility.
|
| 29th March 2000 |
- Tony Cass, Anne Funken & Dave Underhill visit Swisscom Computer
Centre in Berne. Visit
notes also available in Word
format. The pictures
are in powerpoint format.
|
| January-April 2000 |
- Further general discussions between IT and ST. Key points are
a) extra chilled water will be required to support 2MW cooling
load,
b) 2MW cooling load can be accommodated in machine room and barn with
adjustments to cooling parameters, and
c) 500kW cooling load can be supported in vault with equipment located
in old MG room.
- Initial plans are developed to recuperate the space around the MG
room.
- Electrical distribution issues are investigated briefly; it is clear
that some work will be needed especially as the main transformers will
reach the end of their rated lifetime just after LHC startup.
- UPS battery replacement is strongly indicated.
|
| November 1999 |
- Discussions between IT and ST initiated by Les Robertson. Anne
Funken appointed as ST project leader.
|
