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List of references
Total records:  357 
Year  Country  Client   Project  

Length
[m]
 

Bore-
hole [mm]
 

2012  Italy  Client: Snam Rete Gas - Piazza S. Barbara, 7 - 20097 S. DONATO MILANESE (MI), Italy
Main Contractor: SAIPEM - Via Toniolo, 1 - 61032 FANO (PU), Italy
 

3 of 3 crossings
2 x DN 250 (10"") cable ducts 

480 

444 

2012  Italy  Client: Snam Rete Gas - Piazza S. Barbara, 7 - 20097 S. DONATO MILANESE (MI), Italy
Main Contractor: SAIPEM - Via Toniolo, 1 - 61032 FANO (PU), Italy 

3 of 3 crossings
2 x DN 1200 (48"") gas pipes 

470 

1450 

2012  Italy  SNAM Rete Gas
Piazza Santa Barbara, 7
20097 San Donato Milanese (MI)
Italy 

Scope of the project was to lay a new gas pipeline tract under a landslide, that in 2011 damaged the existing gas pipeline. The HDD crossed stiff clays and claystones and was 1071 m long, up to 30 m depth. 

1071 

445 

2011  Germany  Friedrich Duensing GmbH
Kleeblattstraße 2
31535 Neustadt Ortsteil Eilvese 

Protection pipe Da 500 SDR 11 for cable protection bundle, 2 x Da 125; 2 x Da 110; 3 x Da 63 SDR 11 

718 

660 

2011  Germany  Friedrich Duensing GmbH
Kleeblattstraße 2
31535 Neustadt Ortsteil Eilvese 

Cable protection bundle, 2 x Da 125; 2 x Da 110; 3 x Da 63 SDR 11 

130 

450 

2011  United Kingdom  Southern Gas Networks plc
St. Lawrence House
Station Approach
Horley
Surrey RH6 9HJ 

The drilling of 2 no. 4,000m long x 20” diameter pilot holes, each drilled with a rig at either end of the crossing and requiring an intercept approx. 50m below the seabed.  Scope of work included the preparation of the strings of 324 x 12.7mm steel gas pipes.  Each pullback required stops for 2 no. intermediate welds.  Ground conditions were very stiff clays and very dense sands. 

3926 

508 

2011  Germany  TenneT Offshore GmbH
Bernecker Straße 70
95448 Bayreuth 

Connection of windpark SylWin I to German national grid (NOK, Nord-Ostsee-Kanal), 2 crossings
 

620 

550 

2011  Germany  TenneT Offshore GmbH
Bernecker Straße 70
95448 Bayreuth 

Connection of windpark HelWin I to German national grid (NOK, Nord-Ostsee-Kanal), 2 crossings
 

620 

550 

2011  Germany  TenneT Offshore GmbH
Bernecker Straße 70
95448 Bayreuth 

Connection of windpark HelWin II to German national grid (NOK, Nord-Ostsee-Kanal), 2 crossings 

620 

550 

2011  Italy  Client: Snam Rete Gas - Piazza S. Barbara, 7 - 20097 S. DONATO MILANESE (MI), Italy
Main Contractor: SAIPEM - Via Toniolo, 1 - 61032 FANO (PU), Italy 

1 of 3 crossings
1 x DN 1200 (48") gas pipes
1 x DN 250 (10") cable ducts 

440 

1200 

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