Index

CHAPTER 7

LAUNCH SITE

This chapter describes general information on the facilities and services provided by Jiuquan Satellite Launch Center (JSLC).

JSLC is subordinated to China Satellite Launch and Tracking Control General (CLTC). JSLC is mainly used for conducting LEO and SSO missions. JSLC is located in Jiuquan region, Gansu Province, Northwestern China. Figure 7-0 shows the location of Jiuquan, as well as the layout of JSLC.

Jiuquan is of typical inland climate. The annual average temperature is 8.7ļC. There is little rainfall and thunder in this region.

Dingxin Airport is 75 km southwest to JSLC. The runway of Dingxin Airport is capable of accommodating large aircraft. The Gansu-Xinjiang Railway and the Gansu-Xinjiang Highway pass by JSLC. There are a dedicated railway branch and a highway branch leading to the Technical Centers and the Launch Centers of JSLC.

By using of cable network and communications network, JSLC provides domestic and international telephone and facsimile services for the user.

JSLC consists of headquarter, South Launch Site, North Launch Site, Communication Center, Mission Center for Command and Control (MCCC), Tracking System and other logistic support systems. The North Launch Site is composed of North Technical Center and North Launch Center, which is dedicated for launching Two-stage LM-2C, LM-2C/CTS and LM-2D. The South Launch Site is composed of South Technical Center and South Launch Center, which is mainly used for launching Two-stage LM-2E and LM-2E/ETS, as well as LM-2C.

Figure 7-0 JSLC Map

Part A: North Launch Site

A7.1 North Technical Center

The North Technical Center includes LV&SC Processing Building (BLS), Solid Rocket Motor (SRM) Checkout and Processing Building (BM) etc. The LV and the SC will be processed, tested, checked, assembled and stored in North Technical Center. Refer to Figure A7-1.

A7.1.1 LV&SC Processing Building (BLS)

BL1 is mainly used for transiting the LV, the SC and relevant ground equipment, as well as LV processing, SC processing & fueling, etc. It mainly includes processing hall (BL & BS2), SC fueling hall (BS3), unit testing rooms, and power-supply, gas-supply, air-conditioning and firing alarm & protection systems, etc. The BLS is 140 meters long with total area of 4587 m2. See Figure A7-2 for BLS layout.

The processing hall is 90 meters long, 8 meters wide. The processing hall is the common place for LV and SC testing, the east side is the LV processing hall (BL), and the west is the SC processing hall (BS2). The processing hall is equipped with following facilities:

The corresponding environment parameters are:

The SC fueling hall (BS3) is 24 meters long, 8 meters wide. It is equipped with following facilities:

The corresponding environment parameters are:

There are 25 unit-testing rooms along the processing hall. They are mainly used for performing LV and SC unit-testing and also used for storage of the test equipment.

A clean room is provided only to the user for SC testing. The temperature inside the room is 20± 5° C, relative humidity 35%~55%, and cleanness 100,000 class.

BLS also provides following support systems:

A7.1.2 Solid Rocket Motor (SRM) Checkout and Processing Building (BM)

BM is mainly used for SRM assembly, testing and short-time storage. The BM includes SRM processing hall, SRM storage room, testing rooms, and air-conditioning, power-supply, fire protection & alarm, telecommunication systems. See Figure A7-3 for BM layout.

The SRM processing hall is 24 meters long, 12 meters wide. It is equipped with following facilities:

The corresponding environment parameters are:

The total area of the SRM storage room is 36 m2, the temperature is 20± 5° C, and the relative humidity is 35%~55%.

There are 3 testing rooms inside the BM.

 

 

A7.2 North Launch Center

A7.2.1 General

Coordinates of the Launch Tower for LM-2C:

Longitude: 100° 17.4'E,

Latitude: 40° 57.4'N

Elevation: 1073m

Facilities in the north launch center are umbilical tower, moveable service tower, launch pad, launch control center (LCC), fuelling system, power-supply system, gas-supply system, fire protection and alarm system, communication system, etc. Refer to Figure A7-4.

A7.2.2 Moveable Service Tower

The moveable service tower provides operating platform and environment dedicated for LV erection, LV and SC integration. It is composed of tower body, gantry crane, elevator, operating platform, SC working room, etc. Refer to Figure A7-5.

The tower body is an 11-floor fixed steel structure with height of 55.23 m, length of 30.52 m, and width of 20.9 m. The lifting capability of the gantry crane is 15 ton (main hook)/5 ton (subsidiary hook), and the lifting height is 44.5m. There are two elevators with load capability of 500 kg at two sides of the tower body. There are totally 6 floors of operating platform on the tower body. The SC working room is located at height of 29 m to 42 m inside the tower body, and the cleanness of the room is 100,000 class.

Figure A7-5 Moveable Service Tower

A7.2.3 Umbilical Tower

The umbilical tower provides operating platform and environment dedicated for LV fueling, LV and SC checkouts. It is mainly composed of tower body, operating platform, umbilical silo, swinging arm for umbilical, fueling system, gas-supply system, fire protection & alarm system, and elevator etc.

The umbilical tower is 45 m in height, 7.8 m in length and 7.8 m in width. It is equipped with an elevator with load capability of 1000 kg, 5 floors of rotating platforms and 2 floors of roll-over platforms. See Figure A7-6.

Figure A7-6 Umbilical Tower

A7.2.4 Launch Control Console (LCC)

Launch Control Console (LCC) is an underground rounded fortress. The LCC mainly consists of control room, SC testing rooms, LV testing rooms, power-supply system, air-conditioning system, and communication system. Refer to Figure A7-7. LCC is of following main functions:

Figure A7-7 Launch Control Center

A7.2.5 Mission Command & Control Center (MCCC)

MCCC includes command and control hall, computer room, internal communication room and offices, etc. Figure A7-8 shows the layout of MCCC.

MCCC is of following main functions:

The Configuration of MCCC is as follows:

A7.3 Tracking, Telemetry and Control System (TT&C)

The TT&C system of JSLC and TT&C system of Xiían SC Control Center (XSCC) form a TT&C net for the mission.

The TT&C system of JSLC mainly consists of:

The TT&C system of XSCC mainly includes:

Main Functions of TT&C are described as follows:

Part B: South Launch Site

B7.1 South Technical Center

South Technical Center includes LV Vertical Processing Building (BLS), LV Horizontal Transit Building (BL1), SC Non-hazardous Operation Building (BS2), SC Hazardous Operation Building (BS3), Solid Rocket Motor (SRM) Checkout and Processing Building (BM) and Pyrotechnic Storage and Processing Building (BP1, BP2). The LV and the SC will be processed, tested, checked, assembled and stored in South Technical Center. Refer to Figure B7-1.

B7.1.1 LV Horizontal Transit Building (BL1)

BL1 is mainly used for transiting the LV and relevant ground equipment. It mainly includes LV horizontal processing hall, transit room and unit testing rooms.

LV horizontal processing hall is 78 meters long, 24 meters wide. It is mainly used for LV horizontal processing. There are three steel tracks and a moveable overhead crane inside the hall.

The transit room, which is 42 meters long, 30 meters wide, is equipped with a moveable overhead crane with the maximum height of 12 meters. The gate of the transit room is 8 meters wide, 8 meters high.

B7.1.2 LV Vertical Processing Building (BLS)

BLS is mainly used for LV integration, LV & SC integration, LV vertical checkouts, LV & SC combined checkouts. BLS includes two high-bays and two vertical-processing halls.

Each vertical-processing hall is 26.8 meters wide, 28 meters long, 81.6 meters high, and it is equipped with following facilities:

The corresponding environment parameters inside BLS are:

See Figure B7-2.

B7.1.3 SC Non-hazardous Operation Building (BS2)

The SC Non-hazardous Operation Building (BS2) is a clean area for SC testing and integration. BS2 consists of the following parts:

Refer to Figure B7-3 and Table B7-1.

Table B7-1 Room Area and Environment in BS2

Room

Usage

Dimension

Environment

L´ W

(m´ m)

Area

(m2)

T (° C)

Humidity

(%)

Cleanness (Class)

01

BS2 Transit Hall

30´ 24

720

     

02

SC Testing Room

72´ 24

1728

23± 5

35~55

100,000

03

Locker Room for Men

12´ 6.5

78

     

04

Locker Room for Women

9´ 6.5

58.5

     

05

Air-drench Room

12´ 6.5

78

     

06

Air-drench Room

6´ 6.5

39

     

07

System Test Equipment Room

18´ 6.5

117

15~25

35~55

100,000

08

Unit-level Test Room

12´ 6.5

78

15~25

35~55

100,000

09

Unit-level Test Room

18´ 6.5

117

15~25

35~55

100,000

10

Unit-level Test Room

12´ 6.5

78

15~25

35~55

100,000

11

Control Room

18´ 6.5

117

20~25

35~55

100,000

12

Equipment Storage Room

6´ 6.5

39

20~25

35~55

100,000

14

RF Room

18´ 6.5

117

20~25

35~55

100,000

15

Equipment Storage Room

6´ 6.5

39

20~25

35~55

100,000

In addition, BS2 is equipped with gas-supply, grounding, air-conditioning, fire alarm & protection and cable TV systems. It also provides 380V/220V/50Hz and 110V/60Hz power-supplies.

B7.1.4 SC Hazardous Operation Building (BS3)

The SC hazardous operation building (BS3) is a clean area for SCís hazardous assembly, mono-propellant or bi-propellant fueling, the integration of the SC and the Fairing, spinning balance and weighing. BS3 mainly consists of the following parts:

Refer to Figure B7-4 and Table B7-2.

Table B7-2 Room Area and Environment in BS3

Room

Usage

Dimension

Environment

L´ W

(m´ m)

Area

(m2)

T (° C)

Humidity

(%)

Cleanness (Class)

01

BS3 Transit Hall

24´ 15

360

     

02

SC Fueling Hall

12´ 18

216

15~25

35~55

100,000

03

Testing Room

7.5´ 6

45

15~25

35~55

100,000

04

Testing Room

6´ 6

36

15~25

35~55

100,000

05

Locker Room

6´ 6

36

     

06

Testing Room

6´ 6

36

15~25

35~55

100,000

07

SC Assembly Hall

36´ 18

648

15~25

35~55

100,000

08

Fuel-filling Room

6´ 6

36

15~25

35~55

100,000

09

Fuel-filling Room

7.3´ 6

43.8

15~25

35~55

100,000

10

Office

4.3´ 6

25.8

     

11

Air-drench Room

3´ 6

18

     

12

Oxidizer-filling room

6´ 6

36

20~25

35~55

100,000

13

Room of Air-conditioning Unit

         

14

Power Distribution Room

         

In addition, BS3 is equipped with electronic weighing, gas-supply, air-conditioning, grounding, fire alarm & protection and cable TV systems. It also provides 380V/220V/50Hz and 110V/60Hz power-supplies.

 

B7.1.5 SRM Checkout and Processing Building (BM)

The SRM Checkout and Processing Building (BM) is used for the storage of the SRM, SRM assembly, pyrotechnics checkout, X-ray checkout of SRM, etc.

BM mainly consists of following parts:

Refer to Figure B7-5. The area and environment are listed in Table B7-3.

Table B7-3 Room Area and Environment in BM

 

Room

Usage

Measurement

Environment

L´ W

(m´ m)

Area

(m2)

T (° C)

Humidity

(%)

Cleanness (Class)

01

SRM Processing Hall

24´ 15

360

18~28

35~55

100,000

02

SRM Storage Room

6´ 6

36

18~28

35~55

100,000

03

Locker Room

3.3´ 5

16.5

     

04

Power Distribution Room

3.3´ 5

16.5

     

05

Meeting Room

3.3´ 5.1

16.83

     

06

Testing Room

3.3´ 5.1

16.83

18~28

40~60

100,000

07

Data-processing Room

6.6´ 5.1

33.66

     

08

Testing Room

   

18~28

40~60

100,000

A series of anti-thunder, anti-static measures have been adopted in BM. BM is equipped with air-conditioning and fire alarm & protection systems. It also provides 380V/220V/50Hz and 110V/60Hz power-supply.

 

B7.1.6 Launch Control Console (LCC)

Launch Control Console (LCC) is located beside BLS. LCC is electrically connected with Launch Tower and BS2 via cables and radio frequency. LCC is of following main functions:

The LCC mainly consists of following parts:

Refer to Figure B7-6 and Table B7-4.

Table B7-4 Room Area and Environment in LCC

 

Room

Usage

Dimension

Environment

L´ W

(m´ m)

Area

(m2)

T (° C)

Humidity

(%)

Cleanness (Class)

01

SC Control Room

13.2´ 19

237.6

18~26

40~70

 

02

Checkout & Launch Command Room

13.2´ 19

237.6

18~26

40~70

 

03

LV Control Room

 

118.8

18~26

40~70

 

04

Locker Room

         

05

Meeting Room

8´ 6

48

     

06

Anteroom

3.3´ 5.1

16.83

     

07

Testing Room

6 ´ 5

30

18~26

40~70

 

08

Testing Room

8´ 6

48

18~26

40~70

 

09

Testing Room

4´ 6

24

18~26

40~70

 

 

 

B7.1.7 Pyrotechnics Storage & Testing Rooms (BP1 & BP2)

BP1 and BP2 are used for the storage & testing of LV and SC pyrotechnics. BP1 and BP2 are equipped with power-supply, anti-lightning & grounding and fire-extinguish systems.

B7.1.8 Power Supply, Grounding, Lightning Protection, Fire Alarm & Protection Systems in the South Technical Center

Two sets of 380V/220, 50Hz power supplies are provided in the south technical center, which spare each other. The power supply for illumination is separate to that. In addition, all of the sockets inside BS2 and BS3 are explosion-proof.

In technical areas, there are three kinds of grounding, namely technological grounding, protection grounding and lightning grounding. Some advanced lightning protection and grounding measures are adopted in all the main buildings and a common grounding base is established for each building. All grounding resistance is lower than 1W . Grounding copper bar is installed to eliminate static in the processing areas.

All the main buildings are equipped with fire alarm & protection system. The fire alarm system includes ultraviolet flame sensors, infrared smoke sensors, photoelectric smoke sensors, manual alarm device and controller, etc. The fire protection system includes fire hydrant, powder fire-extinguisher etc.

B7.2 South Launch Center

B7.2.1 General

Coordinates of the Launch Tower:

Longitude: 100° 17.4'E,

Latitude: 40° 57.4'N

Elevation: 1073m

The launch site is 1.5 km away from the South Technical Center. Facilities in the launch area are umbilical tower, moveable launch pad, underground equipment room, fuel storehouse, oxidizer storehouse, fuelling system, power-supply system, gas-supply system, communication system, etc. Refer to Figure B7-7.

B7.2.2 Umbilical Tower

The umbilical tower is an 11-floor fixed steel structure with height of 75m. The tower is to support electrical connections, gas pipelines, liquid pipelines, as well as their connectors for both SC and LV. The umbilical tower has a rotating-platform system, whose load-bearing capability is 15kN for each single platform. There is also a rotary crane on the top of the umbilical tower. See Figure B7-8.

The umbilical tower provides an air-conditioned SC operation area, in which the temperature, humidity and air cleanliness can be guaranteed. The area is well grounded, the grounding resistance is less than 1W .

The umbilical tower is equipped with hydrant system and powder fire extinguishers.

A common elevator and explosion-proof elevator are available in the umbilical tower, of which carrying speeds are 1.75m/s and 1.0m/s respectively. The maximum load-bearing capability of the elevators is 1000kg.

The umbilical tower has a sealed cable tunnel, in which the umbilical cables connect the LV, SC and underground equipment room. The resistance of each cable is less than 1W .

B7.2.3 Moveable Launch Pad

The moveable launch pad is mainly used for performing LV vertical integration and checkouts in BLS, transferring the LV from BLS to the launch area vertically, and locating and locking itself beside the umbilical tower. The moveable launch pad can also vertically adjust the position of the launch vehicle to make the preliminary aiming. The ignition flame can be exhausted through the moveable launch pad.

The moveable launch pad is 24.4m long, 21.7m wide, 8.34m high, and weighs 750t. It can continuously change its moving speed in 0~28m/min., and the moving acceleration is less than 0.2m/s. It takes the moveable launch pad, carrying the LV, about 40 minutes to move from BLS to umbilical tower (1.5km).

 

Figure B7-8 Umbilical Tower

B7.2.4 Underground Equipment Room

The underground equipment room is located under the umbilical tower, whose construction area is 800m2. It mainly includes power-supply room, equipment rooms, power distribution room, optic cable terminal room, room of air-conditioning unit, etc.

The underground equipment room is air-conditioned, the internal temperature is 20± 5° C and relative humidity is not greater than 65%. The equipment room is well grounded with resistance less than 1W. A 3-ton crane is equipped inside the equipment room.

 

B7.2.5 Mission Command & Control Center (MCCC)

MCCC includes command and control hall, computer room, internal communication room and offices, etc. Figure B7-9 shows the layout of MCCC.

MCCC is of following main functions:

The Configuration of MCCC is as follows:

B7.3 Tracking, Telemetry and Control System (TT&C)

The TT&C system of JSLC and TT&C system of Xiían SC Control Center (XSCC) form a TT&C net for the mission.

The TT&C system of JSLC mainly consists of:

The TT&C system of XSCC mainly includes:

Main Functions of TT&C are described as follows: