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SPECIFIC FACILITIES DATA FOR OPGW

(OPGW cable construction shall comply with IEEE-1138-2009 and IEC Publication 1396)

Sr. No. Information Required Data to be supplied by the Manufacturer

1 Optic Fiber Ground Wire (OPGW)

a) Maker’s Name & Address ZTT & China Nantong

 b) Origin of OPGW China

c) Nominal cross sectional area (mm2) 71.2

d) Center stainless steel tube (No./Dia.) 1(Aluminum tube)/7.5mm

e) Aluminum clad steel wires (No./Dia.) 13/2.25mm

f) Lay direction–outer layer Right

g) Overall diameter (mm) 12.0

h) Calculated breaking load (kgf) 7408

i) Approximate total mass (kg/km) 425

 j) Electrical resistance at 20℃  0.773Ω/km

k) Modulus of elasticity (N/mm2) 132900

l) Coefficient of linear expansion 14.2×10-6

/℃ 

m) Short circuit current capacity at 20℃  39.9kA2S

n) Everyday tension at 32℃, no wind 1482 kgf （for reference） 

o) Max. tension at 32℃, wind pressure 135kg/m2  2963 kgf （for reference） 

 p) Sag at 0℃  and no wind (span=400m) 2872 mm（for reference） 

2 Optical Fiber

a) Optical fiber type Single mode confirming to G. 652

 b) Number of fibers≥24 24

c) Core diameter 8.5 ± 0.7 um

d) Cladding diameter 125 ± 0.7μm

e) Wavelength 1310nm/1550nm

f) Mode field diameter 9.2 ± 0.4μm (1310nm)

10.4 ± 0. 8μm (1550nm)

g) Cut-off wavelength ≤ 1260 nm

h) Method of jointing fiber in field The method of jointing fiber is Fusion Method.Theory of fusion method is to use high-voltage

to discharge, produce arc, so that the partial

end of fiber be melted, then achieve the goal.  

i) Maximum loss at joint ≤ 0.1

 j) Maximum end connector loss ≤ 0.5

k) Maximum attenuation (db/km)

- at 1310nm ≤0.36

- at 1550nm ≤0.22

l) Maximum dispersion at 1310nm ≤3.5 ps/nm·km

m) Maximum dispersion at 1550nm ≤18 ps/nm·km

7/18/2019 Specific Facilities Data for Opgw Updated

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  n) Mode field dia. at 1310nm & 1550nm 9.2 ± 0.4μm (1310nm)

10.4 ± 0. 8μm (1550nm)

o) Zero dispersion wavelength (nm)  1300~1324

 p) Zero dispersion slope (ps/nm2.km) ≤ 0.092

q) Attenuation coefficient 1310nm ≤ 0.36dB/kmr) Attenuation coefficient 1550nm ≤ 0.22 dB/km

s) Cladding Non-circularity (%) ≤ 1.0

t) Coating diameter 243 ± 5μm

u) Coating-cladding concentricity ≤ 6μm

v) Temperature dependence -60℃  to +85℃  (The temperature range which

optical fiber can bear.)

3 Packing

a) Maximum reel length (≥5000m) Maximum reel length: 5000m

 Nominal length: 3200m

 b) Reel marking

- Identification Yes

- Length & Segment Yes

- Destination address Yes

- Inspection stamp & date Yes

4 Test Report 

Bidder is instructed to provide a recent type/routine

test report for the above mentioned OPGW cable 

We can provide the type test report which is the

same type as the constructure.