CNGS: Le faisceau de neutrinos du CERN vers le Gran Sasso.

Table of Contents

		Page
1.	The scientific basis of the CNGS project	5
1.1	CERN and neutrino physics	7
1.2	The underground laboratory at Gran Sasso (Italy)	8
1.3	CNGS - a long baseline neutrino beam	9

2.	Description of the CNGS project	13
2.1	The objectives of the CNGS project	13
2.2	The main elements of the CNGS project	13
2.3	Cost and planning schedule	17

3.	Underground structures	19
3.1	The temporary access shaft	19
3.2	The access tunnel	19
3.3	The proton beam tunnel	19
3.4	The target chamber and the adjoining tunnels	22
3.5	The decay tunnel	22
3.6	The hadron stop and the connecting tunnel to the LEP/LHC	23
3.7	The second muon detector chamber	23

4.	Civil engineering	25
4.1	General	25
4.2	Safety coordination	25
4.3	Working hours	25
4.4	Geological constraints	25
4.5	Use of explosives	26
4.6	Construction techniques	26
4.7	The work-site installations	27

5.	CNGS and the environment	29
5.1	Spoil	29
5.2	Waste disposal	29
5.3	Effect on water resources	30
5.4	Noise and vibration from the work-sites	30
5.5	Transport, traffic and roads	31
5.6	Land ownership aspects	31
5.7	Radiation safety aspects	31
5.8	Safety	32
5.9	Socio-economic aspects	32

6	List of figures	33