Communication mast
MEGATROprovide every type of lattice steel tower & mast forcommunication.These masts are, typically, tall structures designed to support telecom accessories with antennas (also known as aerials) for telecommunications and broadcasting, including television, antenna and other supports, which also can accommodate a variety of disc with network parts. MEGATRO also offers a wide variety of accessories and mounts.
Our communication mast is fabricated by solid steel pipe with angle or bracing members, which provides great strength, low weight and wind resistance, and economy in the use of materials. Lattices of triangular cross-section are most common, and square lattices are also widely used. After fabrication all towers are delivered to the galvanizing facility to be Hot Dip Galvanized. Towers are processed through the facility by Caustic Cleaning, Pickling, and then Fluxing. These strict procedures insure years of maintenance free towers.
Communication mastsclassification is based on a number of considerations, including structural action, which denotes how the tower is erected; cross section, which indicates the shape of the towers (either square, hexagonal, polygonal or triangular); type of material sections, which refers to a tower's angular or tubular bracings; and type of surface it is placed on. It has some type of cell phones tower, cellular tower, wireless tower, microwave towers,
General Design Criteria
Mast will be designed based on GB, BS 8100, TIA/EIA-222-G-2006, IS 802 & IS875 or equivalent international standards.
MEGATRO submit the complete data showing the drag factor from various angles of wind on the antenna offered.
Shape: lattice three-legs or four-legs towers or guyed three-legs or square towers or monopoles or Tapered slip-sleeve construction
Steel grades
Tower body: Chinese steel Q345B, which same to ASTM A572 GR50
Other webs, bracing and not stress plate and angle steel: Chinese Q235B, which same to ASTM A36
Plates: Chinese steel Q345B, which same to ASTM A572 GR50
Bolts: Chinese grade 6.8 and 8.8, which similar to ASTM A394
A) Dimension and tolerance for angle are according to GB/T1591-1994, similar to EN 10056-1/2
B) Hot DIP galvanization in accordance with GB/T 13912-2002, which similar to ASTM A 123
C) The welding will be performance in accordance with AWS D1.1 or CWB standard
Other information:
Heights up to 250'
Basic wind speed: The wind loading on the tower and antennas mounted on it will withstand a ground level wind velocity of 140 Km/h and survival speed of 180 Km/h including with height in accordance with latest BSI CP3: Chapter V: Part 2: British Standard (BS)
or according to client requirements
Twist and sway: tower should be designed for a maximum combined twist & sway or as client requirements
Topographic category: according to client requirements
Importance factor: 1.5 for structure classification
Aviation painting: painting of the tower is required in areas/vicinity near an airport. The tower is to be painted it in accordance with the following:
Steel work is thoroughly cleaned of oil and dirt before applying the primer
Paint is applied in 3 layers, 1 primer coat and 2 top coats
Paint is all-weather lead free industrial type-approved by globe
Sectional antenna: 3 to 12 pcs antenna according to client requirements
Microwave antenna: 3 to 6 pcs antenna according to client requirements
Antenna combinations: tower has been designed for the worst case of both access and microwave antenna applied at the same time.
Antenna that will be considered when it calculates wind areas will be Six GSM antennas, Two each 600 mm diameter microwave dishes & one 1.2m Ø Microwave plus all the feeders for GSM and MW antennas.
Allowance will be given to the effective windage area of the following:
Feeder runway
Feeders
Platforms and guard rails
Ladder and ladder guards
Besides, we also provide lightning rod, aviation light, tower earthing kits, cable tray and others accessories.
If any special requirement, we can design and discuss with client.
Port of Loading: Qingdao Port
Lead Time: one month or based on the customer needs
Performance Standard
Besides conform to the drawing and design, the materials and fabrication of tower components shall conform to Chinese Standard or other international standard.
Payment: TT, LC
Origin: Shandong, china
Minimum Order: 1 TON
Packaging: export standard package
Inspection: In house or their party inspection
Samples: Charge
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