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D escription

D etailed Specification and Major design Parameters

1

D esign Code

1. Chinese National Standard:

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

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

2. A merican St andard:

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

b. A CI 318-02 Building Code Requirement for Structure Concrete

2

D esign Software

P LS and MS Tower , SAP2000 , AutoCAD, STW, TWsolid, SLCAD etc

3

De sign Loading

A s per requirement and specification by Clients worldwide.

4

L oad test/destructive test

W e 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

V oltage

3 3KV, 66/69KV, 11 0KV, 220KV/230KV, 330KV, 380/400KV, 500KV, 750KV, 800KV, 1000KV Transmission Line

6

Hot-dip galvanization

I SO 1461-2009, ASTM A123

7

S teel 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

B olts and Nuts

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

9

T ower Type

Angular Towers , Tubular Towers , G uyed Mast , M onopole Tower

1 0

T ower Type

S uspension Tower , T ension Tower , D ead Tower , S ubstation Structure

1 1

W arranty

T ower structures: 10 years

1 2

R eturn Period

5 0 Years

1 3

Tr ansportation

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

1 4

Q uality Control

F ollow 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.