Notice of Construction Area and Navigation Restriction as Part of Port ofTokyo Bay Port Road Nanboku Line Submerged Caisson Construction
January 10, 2020 to April 30, 2020
● Offshore construction will be carried out in the Chubo North Fairway as noted below.
● Submerged caissons are installed. Please exercise sufficient caution for vessels which will benavigating the water in the area.
● Vessels of 500 gross tons or more using the Odaiba Liner Wharf and 10 Go Chi (2)Wharf west side shall enter and exit port using the Tokyo West Passage.

Figure 1 Guide Diagram
Nanboku Line SafeNavigation Information
Figure 2ManagementOffice品
川 Go Chi Signal Station)(10ふShinagawa
頭Wharf
１０号地その２
10 Go Chi (2)Details
1 Overview

No.6

品
川区

No.5

13 １３号地
Go chi路
航東京東(1) Construction details (Refer to Figures 1 and 2)

１５号地
15 Go Chi

中央防波堤

CentralBreakwater内側埋立地
Inner Reclaimed Land

 Backfilling work
Rock muck, etc. will be injected on the submerged caisson side and peak aftersubmersion.
Rock muck, etc. injection will be carried out by self-propelled grab barges andtremie ships.
However, because the tremie ships cannot be used in areas near revetments,
direct injection will be carried out by self-propelled grab barges.
The injected backfilling material will be evened out by divers in some of theareas where the required water depth passage and anchorage cannot bemaintained.

No.4

中央防波堤
CentralBreakwater No.3
Outer外側埋立地
Reclaimed
Land

１
頭そのOi Wharf
No1
大井ふ
No.7

路
航西
京
東

京浜２区

No.2

No.1

No.8

New
Sea 場
Level
新海面処分
建設工事区域 Site
Processing
Construction Area
No.6

No.5

京浜島Keihinjima

No.4

 Revetment restoration

No.3In order to construct the end of the submerged tunnel section, part of theremoved revetments will be restored.
Foundation riprap injection will be carried out by self-propelled grab barges
under instruction by divers, and after injection of foundation riprap, preliminary
and final evening out will be carried out by divers.

Figure 2東京国際空港
Construction Areas

6389

161

Revetment
restoration
護岸復旧工(Foundationconstruction)
(基礎工)

195

321024

3 Safety Measuresフェ)(西頭ふ地号
100m)(-1January 10, 2020 to April 30, 2020

フェリー
回頭 ふ頭V
操船 AC岸水域 壁入出(2L=38 港船舶2m)

浮島
148頭
ふーナイ
ラ
場
台
おThe Central Breakwater side construction area will have navigation restrictions inplace during the following periods.
Note that the periods may change depending on construction conditions and status.

リーふ頭

多摩
10 Go Chi (2)10号地
川(その2)市
舶川 崎

船出港 .8m)
壁入 =333
岸L
VK (2地西 水域
10号 操船頭回m00=21L2 Navigation restriction period00m
1L=2m
22路
水北 m)
防中 (-12ロB

Backfilling
埋戻工 work(Caissons
1, 2, and 3(1,2,3号函)232Cハ749(1) The work ship group will be moored within the construction work area
during the night.
When stopped during the night, in addition to displaying the lamps
required by law, flashing indicators (1 yellow light flash per 4 seconds)
will be installed on the 4 corners of the work ship group.
(2) Patrol boats
In principle, 2 boats each will be assigned to the 10 Go Chi side andCentral Breakwater side construction work areas during work hours(during the day).
In addition, for the Central Breakwater construction work area(navigation restricted), 2 patrol boats (Marine VHF radio signalingcapable) will also be assigned after work is completed (nighttime) topatrol the area around the work area providing information and caution.
(Refer to Figures 2 and 4)* Patrol boats can be reached using Marine VHF radio (ch. 16).
(Contact name: Nanboku Line Patrol Boats)(3) Construction Vessel Markers
Construction vessels will display the lights, beacons, symbols andmarker flags required by law. (Refer to Figure 5)(4) A "Nanboku Line Safe Navigation Information Management Office" willbe established and carry out the following. (Refer to Figure 1)• Provision of information, etc. to standard vessels, etc.
• Collection of information on vessel traffic around construction area
• Provision of information on construction ship and patrol boat
movement, caution, etc.

.5)(-7(2) Installation of signs and markings for clear indication of construction area
(Refer to Figures 2 and 3)
Light beacons and lighted buoys will be setup to clearly indicate the construction
area.

No.2
No.1

7121
1935
Construction
area (navigation restriction)
工事区域（航泊禁止）
13号地(その2)
mConstruction
工事区域 area

440

13 Go(2)Deployed 24h)
PatrolBoats(SChiType
警戒船（S型24h配備）

置ｸ仮ﾛｯﾌﾞ
波消置仮石捨 イA

PatrolBoats (N Type Deployed 24h)
警戒船（N型24h配備）
PatrolBoats (S Type Deployed 8h)
警戒船（S型8h配備）
港船舶壁入出 8m)
側X5岸
中防内 水域(2L=333.
船
回頭操

中央防波堤内側埋立地
Central Breakwater - Inner

67E
ホD
ニ

Reclaimed Land
0200100◆ Construction area (navigation restriction) (Refer to Figure 2)
Ocean surface area enclosed by shore and line connecting each point fromcoordinate A to coordinate EPoint地点AイBロCハDニE
ホStarting起点pointDirection
方位

From 10 Go Chi
Signal Station

140度00分
326度20分
263263度21分
degrees 21 minutes
140140度18分
degrees 18 minutes
120 degrees 30 minutes
120度30分

10号地信号所から
From point A
イ地点から
From point B
ロ地点から
From point C
ハ地点から
From point D
ニ地点から

140 degrees 00 minutes
326 degrees 20 minutes

Distance
距離Latitude緯度Longitude
経度

946m
497m
322m
404m
67m

35 degrees 36 minutes
29.0 seconds
35 degrees 36 minutes
42.3 seconds
35 degrees 36 minutes
36.4 seconds
35 degrees 36 minutes
26.4 seconds
35 degrees 36 minutes
24.5 seconds

139 degrees 48 minutes
03.9 seconds
139 degrees 47 minutes
52.8 seconds
139 degrees 47 minutes
42.2 seconds
139 degrees 47 minutes
52.6 seconds
139 degrees 47 minutes
56.2 seconds

35度36分29.0秒
35度36分42.3秒
35度36分36.4秒
35度36分26.4秒
35度36分24.5秒

139度48分03.9秒
139度47分52.8秒
139度47分42.2秒
139度47分52.6秒
139度47分56.2秒

灯標（陸上部）Light
beacons (On-land)Light Signal
灯質 ：Characteristics:

1 flash４秒１閃光per
4 seconds

Beacon Height:灯高 ：Approximately
6.9約6.9ｍm

Light Signal
灯
質 ：Characteristics:

1 flash４秒１閃光per
4 seconds

BeaconHeight:灯
高 ：Approximately
2.2約２．２ｍ
m

Light Signal
灯質 ：Characteristics:

1 flash４秒１閃光per
4 seconds

BeaconHeight:灯
高 ：Approximately
2.1約２．1ｍ
m

Light
灯 Color:色：

Yellow
黄色

Painted Color: ：標体塗色

Yellow
黄色

Light
灯 Color:色：

Yellow
黄色

PaintedColor: ：標体塗色

Yellow
黄色

Light
灯 Color:色：

Yellow
黄色

PaintedColor: ：標体塗色

Yellow
黄色

Effective
実効光度
Brightness:
Visible光達距離Distance:：

Approximately
14 約１４ｃｄ
cd
Approximately
約５．５ｋｍ
5.5km

Top Mark:標 ：頭X type
Ｘ型

Effective
実効光度
Brightness:
Visible光達距離Distance:

：

14 cd
１４ｃｄ

Top
頭 Mark:標X type
X：

14 cd
１４ｃｄ

Top
頭 Mark:標：Approximately
約５．５ｋｍ
5.5km

Effective
実効光度
Brightness:
Visible光達距離Distance:：

Approximately
約５．５ｋｍ5.5km

灯ろう
Hanging
Lantern
TopMark
灯ろう頭標ﾚｰﾀﾞｰﾚﾌﾚｸﾀ
Radar Reflector
ﾚｰﾀﾞｰﾚﾌﾚｸﾀ

型

SynchronizedFlashing Type同期点滅方式：

Figure 4 Patrol Boat Indications―

SynchronizedFlashing Type同期点滅方式

頭標
Blue Blinking Lamp
TopMark
頭標

Hanging
灯ろうLantern
Radar Reflector
ﾚｰﾀﾞｰﾚﾌﾚｸﾀ

Hanging Lantern

φ0.9m

Approximately 2.1m

約2.1m

約2.2m約6.9m

φ1.6m：

約7m

SynchronizedFlashing Type同期点滅方式Approximately 2.2m：

Approximately 6.9m

灯ろうﾚｰﾀﾞｰﾚﾌﾚｸﾀ

灯浮標 buoys
ALightedA

φ1.6m

Figure 5 Marker Flags

臨港道路南北線(60X90cm, 90X120cm)

Inquiries

400m* All vessels should travel outside of the yellow buoy marked areas.

Figure 3 Signs and markings for clear indication of construction area (navigation restriction) [Light beacons and lighted buoys]
LightC
灯 標beacons
C300

Ｘ５PatrolBoats (N Type Deployed 8h)
警戒船（N型8h配備）
Light beacon C for indication of
可航水域明示用灯標CnavigableareaLight
beacons for clear indication of
工事作業区域明示用灯標(陸上部)
construction
area (on-land section)
Lightedbuoys A for clear indication of
工事作業区域明示用灯浮標A
construction area
アンカーブイ
Anchorbuoy
Vessel
通航帯traffic zone

Ministry of Land, Infrastructure, Transport and Tourism,
Kanto Development Bureau
Port of Tokyo OfficeTel.: 03-5534-1367
https://www.pa.ktr.mlit.go.jp/tokyo/index.htm

Inquiries related to this leaflet
Nanboku Line Safe Navigation Information Management OfficeTel.: 03-5579-6638
namboku-jokan@soleil.ocn.ne.jp