Self-propelled barges may be used as such when traveling downstream or upstream in placid waters; they are operated as an unpowered Barge, with the assistance of a tugboat, when traveling upstream in faster waters. Canal barges are usually made for the particular canal in which they will operate.Self-propelled barges are useful for inland waterways transport in placid waters. They can also be used with a tug where needed and are useful for lighterage, ferrying, and transport of cargo and construction materials. Our vessel charter team are happy to advise on the right vessel for your needs.
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What is the specifications of our propelled barge Self Propelled Barge Sand Transport Barge,Tug And Barge,Jack Up Barge,Self Propelled Barge Unisite Group Ltd. , https://www.unisitemarine.com
(1) Set up lightning protection belts around the roof to prevent direct lightning strikes. Use 12 galvanized round steel as a lightning protection tape around the roof of the roof and on the ridge line, and set 60cm high Φ20 galvanized round steel in appropriate locations to avoid lightning. Needle; surface mounted lightning protection belt (net) should be straight, the bend must not be less than 900, the bending radius must not be less than 10 times the diameter of the garden steel.
(2) Lightning Protection Strip with Brackets Hot-Dip Galvanized Flat Steel - 40x4
The height of the stent is 15cm when the surface is applied, and the distance between each stent is 1m.
(3) The grid spacing of the lightning protection zone shall not exceed 10×10m or 12×8m.
(3) When the lightning protection strip is laid out, the support distance should be set evenly. The spacing between each straight section is 1 meter and the deviation is 20mm; the response at right angles and corners is called 500mm.
(4) Metal doors and windows are connected to lightning protection devices. When processing the metal doors and windows for ordering, two 30-cm flat steels should be thrown as required. If more than 3m, three connections are required for crimping or welding.
(5) The lightning protection strips can be laid in the plastering layer on the surface of the building, or they can be directly used as structural reinforcements, and they should be welded with the lightning protection nets of the dark deposits or the reinforcements of the floor slabs.
(6) The main ribs or waist ties in the structural ring beam are welded together with the pre-prepared connecting reinforcement head of about 20 cm, and welded together with the lower strands of the column bars.
(7) Each point in the ring beam leads to a rebar head. After the welding, the round steel (or flat steel) is laid around, and the ring beam is welded well, and is connected to the surrounding lead wires to form a ring. At the same time, 30cm long φ16mm galvanized round steel is thrown out along the metal doors, windows and metal railings outside the building.
(8) All metal objects above the lightning protection zone of the roof must be connected to the lightning protection zone for reliable protection.
How to properly install the lightning rod? ? Zhengzhou Leidi Electronic Engineering Co., Ltd. is a high-tech enterprise specializing in smart integration of lightning protection systems. The company is committed to the development, promotion and application of lightning protection technology and lightning protection projects. Leidi was established in 2009 with a registered capital of RMB 3 million and obtained the "Classification Certificate for Professional Design of Lightning Protection Engineering Grade B" issued by the State Meteorological Administration and "Professional Construction Grade B Qualification Certificate for Lightning Protection Engineering". There are dozens of technologies. The backbone obtained the provincial mine protection engineering and technology qualification certificate from the Lightning Protection Center of Henan Province. Provide customers with lightning protection engineering consulting, lightning protection system design, lightning protection engineering construction, technical training, lightning risk assessment analysis, system engineering maintenance of comprehensive information and lightning protection system intelligent integrated solutions and services.
After years of wind and rain, customers in Zhengzhou mines spread throughout the government, telecommunications, electric power, transportation, education, petrochemicals, railways, and meteorology. The company has extensive experience in the design and construction of internal and external lightning protection projects such as direct lightning strike protection, various system grounding, low-voltage power system protection, and various types of communication system line protection, and all completed projects have undergone a number of thunderstorms. And has been highly recognized by the lightning detection department and users. 
A. General
High accuracy and fully welded, sealed, painted construction can be used for marine engineering of submerged and floating lines in pontoon or dock area or working platform.
B. Construction
The construction is to be built according to the drawing with rules of good workmanship and to be built the longitudinal frame system.
All penetrations of longitudinal through transverse bulkhead are closed with slot plate or stiffeners are interrupted at bulkhead and continuity is realized with brackets, to ensure to avoid any abrupt changes in strength structures.
Subdivided into some watertight compartments, and tanks are pressure tested after completion of all welding but before painting, testing pressure normally 2.35 mwg or 0.2 Bar.
C. Materials
All fabricated steelwork used in the construction of the pontoon will be to manufacturing standard of UniSite or other classification society.
All steel used to be blasted and shop primed both sides.
All materials proposed will be selected to comply with the latest Health and Safety Rules.
Paint systems for hull protection will be of the highest quality (Hempel, Inter, Sigma, Jotun)
D. Welding
All welding will be performed in accordance with drawing and order and UniSite experience and all welding will be continuous.
E. Workmanship
The workmanship on the hull and fittings throughout have good marine practice. Care are taken to ensure fair lines, smooth surfaces and neat welding. All materials and equipment installed in, or delivered with the pontoon will be new and of good marine quality.
How to correctly install the lightning rod
How to properly install the lightning rod? The experts of Zhengzhou Leidi Electronic Engineering Co., Ltd. will give you details about the installation of the arrester and the lightning arrester (lightening rod).