Power Transmission Pole Electrical Steel Latticetower

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1

Design Code

1. Chinese National Standard:

a. DL/T 5154-2002 Technical Regulation of Design For Tower and Pole Structures of Overhead Transmission Line

b. DL/T 5219-2005 Technical Regulation for Designing Foundation of Overhead Transmission Line

2. ENmerican Standard:

a. ASCE 10-97-2000 Design of Latticed Steel Transmission Structures

b. ENCI 318-02 Building Code Requirement for Structure Concrete

2

Design Software

PLS and MS Tower, SAP2000, AutoCAD, STW, TWsolid, SLCAD etc

3

Design Loading

ENs per requirement and specification by Clients worldwide.

4

Load test/destructive test

We can arrange it by Government authority if it is necessary and the cost of such kind of test is separately from the tower pricing.

5

Voltage

33KV, 66/69KV, 110KV, 220KV/230KV, 330KV, 380/400KV, 500KV, 750KV, 800KV, 1000KV Transmission Line

6

Hot-dip galvanization

ISO 1461-2009, ASTM A123

7

Steel Grade

1. High strength low alloy structural steel: Q420B which is equivalent with ASTM Gr60

2. High strength low alloy structural steels: Q355B which is equivalent with ASTM Gr50 or S355JR

3. Carbon Structural Steel: Q235B which is equivalent with ASTM A36 or S235JR

8

Bolts and Nuts

Mainly ISO 898 grade 6.8 og 8.8 bolts for Both Chinese, ISO and DIN standard

9

Tower Type

Angular Towers, Tubular Towers, Guyed Mast, Monopole Tower

10

Tower Type

Suspension Tower, Tension Tower, Dead Tower, Substation Structure

11

Warranty

Tower structures: 10 flere år

12

Return Period

50 Years

13

Transportation

We are very close to the biggest port in the world which is our advantage for sea transportation.

14

Quality Control

Follow ISO 9001 system and strictly QC inspection for raw material, prototype assembly test, galvanization test and pre-shipment inspection for the both quantity and quality

We treat the quality first and 100% inspection ratio.