DIVING TASK UNDERWATER SERVICES LIMITED

Diving Task Underwater Services Ltd. is an underwater & marine service provider. We are a Hong Kong-based company operated by an international diving team that is professionally trained in underwater construction by IMCA recognized training center according to HSE Uk Gvt standard. We work closely with environmental specialists, laboratory, and local diving assistants.

​Led by Mr. Tanveer Ahmed (Tan), a Saturation diver with over 20 years of onshore/offshore commercial diving experience. He worked with multinational companies in the Middle East, and West Africa, Southeast Asia as Saturation Diver, Mix Gas Diver, Air/Mix Gas Supervisor & Project co-ordinator. Mr. Tanveer Ahmed (Tan) and the team, their professional qualification are recognized by:

· (IMCA) International Marine Contractor Association
· HSE (UK) Diving at work regulation 1997
· (ADAS) Australian Diver Accreditation Scheme
· (DCBC ) Diver Certification Board of Canada
· INPP (France) Institut National De Plongee Professionnelle
· KB Associates (Singapore)
· (ADCI) United States Association of Diving Contractors International

Our approach
​In Diving Task, we take a hands-on approach to any given project. Planning and collaborating with our clients throughout the entire process is the key to our success. Therefore, we ensure that all the given task is well studied, understood, and planned prior implementation.

What makes us different?
In Diving Task Underwater services, we place utmost emphasis on the safety of human life and the protection of the natural environment. A professionally trained diving personnel is equipped to carry out the underwater task in a safe manner. An ethical and safe diving practice is essential for outstanding performance.
With over decades of onshore and offshore extensive commercial diving work experience, we provide an innovative and cost-effective solution for underwater & marine services.

Commercial diving is a highly complex industry and there are many unique hazards associated with working in a subsurface environment. Our company’s experience within the diving industry, combined with a strong commitment and desire to support our customers.

We will provide motivated, qualified, and competent subject matter experts with excellent geographical knowledge of diving legislation and the international guidance notes that apply to the diving industry. Our handpicked and highly experienced ‘reps’ will act as your eyes and ears with regards to safety, planning, system and procedural assurance, and day to day contractual requirements.

Worksite Representatives will support your project management activities such as planning, scheduling, coordinating, and motivating. They will take on the responsibility of monitoring and where required will positively influence quality and safety management once a project is underway.

UNDERWATER MAINTENANCE
Maintenance service includes underwater hull cleaning, underwater propeller polishing, underwater fitting anode, underwater replacement anodes, u/w search & recovery anchor chain (cable), underwater sea chests & gratings cleaning, temporary underwater plugging sea chests (waterproofing), and bow thrusters maintenance.

UNDERWATER INSPECTION
The in-water survey includes of video taking, periodic inspection of channel buoy for anchor/DMA/chain, pre and post-installation survey for cable and pipelines, ship inspection for propeller clearing, underwater photography and underwater measurements, underwater clearance measurements of rudder pintles and tail-end shaft wear down measurements, a survey of coastal structures and underwater survey of underwater constructions.

UNDERWATER REPAIRS
Underwater repairs include underwater cutting & welding, underwater waterproofing, propeller repair, propeller cutting (cropping), underwater propeller polishing, underwater rudders repair, replacement rope cutter, underwater repair bow thrusters.

SPECIALISED UNDERWATER MAINTENANCE
Maintenance includes submarine and coastal structures, installation of underwater pipelines, installation of underwater cables, underwater pipe inspection. Construction and maintenance of ports. Shipwreck salvage (refloating), shipwreck cutting, shipwreck removal.
Underwater pile visual inspection – Visual examination of the damage and stress of the pile structure​ in HK, a visual inspection of pile carried out periodically, it is essential for pile maintenance. In the visual survey, we look for signs of damage and stress on the pile structure.​​

Underwater pile protection Wrap – Install protection wrap on the pile to prevent deterioration. After a period of time, underwater structures like piles start to deteriorate, to protect against the decay in the pile structure, a protection wrap should be installed.

Underwater pile thickness measurement – Use the ultrasonic thickness gauge to measure the pile’s thickness against the original reading. The measure of the pile’s thickness is part of the pile inspection procedure. After a period of time, the unprotected pile starts to deteriorate, in order to find out the deterioration level, an ultrasonic thickness gauge can be used to compare the pile’s thickness with the original reading.

Underwater seawall & seawall toe condition survey – Seawall is the first line of defense to protect the shoreline, high sea wave continuously hit the seawall and result cavity between block displace and the concrete blocks, to check the seawall condition, we carry out seawall and seawall toe condition survey.​ A condition survey is essential, a guideline for further maintenance work.