Presentacion QWG

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CNGS Electrical Services (PBS 5.5)
S. AKHTAR - ST/EL
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AGENDA
1. ITEMS WHICH MAKE UP GENERAL SERVICES
(UNDERGROUND)
2. CABLE TRAYS AND SUPPORTS
3. LV SWITCHGEAR
4. GENERAL SERVICES BUDGET (UNDERGROUND)
5. POWERING OF COOLING AND VENTILATION
6. BB4 ANNEX ELECTRICAL SERVICES (HORN
REFLECTOR)
7. TEMPORARY LIGHTING DURING INSTALLATION PHASE
8. SAFETY ASPECTS
9. CURRENT STATUS
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1. GENERAL SERVICES UNDERGROUND
NORMAL LIGHTING
SECURE (SAFETY) LIGHTING
EXIT LIGHTING
THREE PHASE AND SINGLE PHASE SOCKETS (NORMAL
SECURE)
SUPPLY FOR POWER RAIL
EMERGENCY STOP
SUPPLY FOR EVACUATION SYSTEM
LV SUPPLY FOR VARIOUS MACHINE PUMPS AND CONTROL
UNITS
LV SUPPLY FOR GSM REPEATERS
EARTHING
CABLE TRAY WORK
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GENERAL SERVICES
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5. POWERING OF COOLING AND VENTILATION
SURFACE
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POWERING OF COOLING AND VENTILATION
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BB4 ANNEXE
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7. TEMPORARY LIGHTING
Estimate for the temporary lighting and the
powering of temporary ventilation fans. TT41 -
No temporary lighting required. Although some
mobile lighting will be required to fix the
permanent lights. Cost 2KCHF
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TEMPORARY LIGHTING
TAG41 TAG42 - Total length of the two tunnels
is 891 m long. If we install a light every 10 m,
we will require 90 lights. Cabling and cost of
light fittings and fixing 22.5KCHF Ventilation
chamber, junction chamber, service gallery,
target chamber and 7 cross passages amount to 425
m in length. We require 43 lights. Cost of
cabling, light fittings and fixing 9.2KCHF
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Decay tunnel (TND4) - Special lighting, must be
easily removable, for the 1km Decay tunnel. We
require 100 lights. Cost of cabling
connectors, light fittings and fixing
23KCHF From the TI8 side - TZ80, TZ81, TZ82,
TNM41 and TNM42 all amount to 330m. Here we will
require 33 lights. Assuming the general
services power point at UJ87 will
exist Cabling and cost of light fittings and
fixing 11.7KCHF Total cost for the lights
including dismanteling is 72KCHF Powering of
ventilation fans The two fans in SUI8
2.5KCHF The two fans in TI8 connecting galleries
6KCHF The small fan in the service gallery
1.5KCHF Assuming the general services power
point at UJ87 will exist Total for
ventilation 10KCHF.
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8. SAFETY ASPECTS
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SAFETY ASPECTS
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9. CURRENT STATUS
INITIAL STUDY WORK IS COMPLETED
EQUIPMENT WHICH CAN BE RECUPERATED IS
IDENTIFIED, MAINLY LV SWITCHBOARDS AND CABLE TRAYS
SOME AREAS CABLE TRAY WORK IS IN PROGRESS -
COMMITTED
NOTHING ELSE COMMITED BUT THE HV/LV
INSTALLATIONS ARE FORESEEN FOR TI8 IN MARCH 2003
AREAS WHERE A COMMON METAL SUPPORT CAN BE
USED HAVE BEEN IDENTIFIED, MAINLY TA41
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Access tunnel TAG41 (COMMON SUPPORT)