Construction unit |
Communication Department of SYJQ |
Location |
The southern sea area of the Liaodong Peninsula |
Time |
2009.5-2009.12 |
Construction design content |
1、Construction route design. Select the optimal submarine cable route from the survey plan, design suitable turning points, organize route review, and submit for approval on behalf of the construction unit. |
| 2、Design of submarine optical cables. Including capacity, length, model, spare parts, etc. |
| 3、Construction process design. Including burial depth, burial process, protection requirements for special sections, etc. |
Main parameters |
Cable model：SOFC-ASK400b/30B1.3R |
Outside Diameter：36mm |
Number of cores：30 cores with double armor |
Weight per meter：309kg/m |
Seabed sediments： Muddy sand, sand, silt |
Laying depth：1.5-3.0m |
Total length of cables：160km Manufacturer: ZTT, TGC |
Water depth：60m |
Situation |
(1) Submarine cable loading and transportation. (2) Eight submarine optical cables were laid and buried, respectively from Sanshan Island to Dagushan on land (routing length of 8.7km), Guanglu Island to Dachangshan Island (routing length of 23.4km), Dachangshan to Xiaochangshan Island (routing length of 2.3km), Xiaochangshan Island to Zhangzi Island (routing length of 19.7km), Zhangzi Island to Haiyang Island (routing length of 35.7km), Haiyang Island - Shicheng Island (routing length of 49km), Shicheng Island - Zhuanghe on land (routing length of 10km), and Dalu Island to Huatuozi on land (routing length of 7.6km); The total length of submarine optical cable routing is 156.6km. (3) Procurement and installation of 5km ductile iron joint sleeve. |
