NIREEKSHAN ENGINEERING SERVICES PVT LTD SINCE - 2000

Our Services

Subsea Engineering

NIREEKSHAN ENGINEERING SERVICES specializes in underwater inspections, maintenance, and repairs, including welding and hull repairs. We ensure the highest standards of quality and safety.

  • Under Water LIVE CCTV Videography of Ships for classification purpose
  • Underwater Still Photograph and Videos of Ships and Submerged objects
  • Vessel/Ship Rudder Pintle clearance and Propeller Shaft Wear down Clearances.
  • Vessel/Ship Sea Chest and Overboard Valve Blanking and Unblanking
  • Underwater Cold Repair for Hull cracks, holes and dents etc.
  • Removal of Fishing Net / Ropes / Tyre Fender from the Propellers
  • Underwater Thickness Gauging Measurement ( UW UTG / NDT )
  • Underwater Welding and Cutting
  • Hull Cleaning & Propeller Polishing using Hydraulic Brush Kart machine
  • Hull Cleaning using Caviblaster water Jetting machine
  • Permanent hull insert Repair in Floating Condition without Dry Docking Using “COFFERDAM” Technology
  • Diving Support for Docking and Undocking for Small Crafts/Tugs and Vessels.
Harbor Services

Our comprehensive Harbor Services include diving support, pile cutting, wharf inspections, and buoy maintenance. We strive for efficient and smooth harbor operations.

  • Pile Cutting using Diamond Chain Saw Method at the Sea Bed Level
  • Underwater Core Drilling / Cutting
  • Wharf, Pile inspection by ‘NDT’
  • Rejuvenation of damaged Wharf, piles by “Pressure Grouting”
  • Bathymetry / Depth Measurement Survey.
  • Dredging Abreast Wharf area
  • Underwater CP Test for the Concrete Structures
  • Annual Maintenance of Channel Buoys, Marker Buoys & Fairway Buoys
  • Retrieval and Deployment of Buoys
  • Hooking and Unhooking of Sinkers
  • Buoy Navigation Light Maintenance
  • Leading Light Maintenance
  • Breakwater & Jetty Light Maintenance
  • Floating Booms, Skimmers, Suction Pumps Pontoons – Design and Supply
  • Repair and maintenance of equipments
  • Arranging Special Boat equipped with OSR Equipments for Quick Response in Port Areas
Diving services for Industries

We provide specialized services for Plants, including diving support for pipeline work, inspections, and underwater repairs. Our expertise ensures reliable and efficient power plant operations.

  • Diving Support for Pipe laying, Diffuser Installation
  • Sea Water Intake Well Inspection and Cleaning
  • Sea Water Intake Fore bay Area Cleaning and D-Silting
  • Sea Water Pipeline Inspection and Cleaning
  • Sea Water Intake Filter Screen and Gratings Cleaning and Maintenance
  • Sea Water Storage Sump Inspection and Cleaning
  • Sludge / Slurry Removal
  • Repairs & Cleaning of Gate Grooves, Stop Log Gate, etc
  • Underwater Still Photographs and Videos
  • Underwater corrosion resistant Epoxy Coating, Grouting, Reinforcing & Concreting
  • Annual & Periodic Survey, Maintenance & Repairs
Anchor chain Retrieval

During tsunami four ships were collided after casting off from the berth. As safety measure all ship’s dropped anchor, which got twisted. Hence the chains were cut & anchor with chain let go down into the sea.

The 300 mtrs length of chain with 8.5 tons of anchor was traced, retrieved & re fixed on to the ship ( DON FRANE BULICK)without the assistance of external crane at Chennai port.

Cofferdam technology for avoiding dry docking

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  • Replacing Ship’s Shell plate (1 X 1 Mtr Permanent Insert) at a depth of 5mtr, using COFFERDAM TECHNOLOGY by avoiding the Dry Docking with IRS Class Approval.
TYCO – VSNL Underwater Fiber Optic Cable Laying

The cable laying vessel “CS TYCO DURABLE” was anchored about 1500mtrs away from shore. The optic fiber cable was towed, floated, sunk and buried 1mtr underneath the sea bed.The job involves allignment of cable before sinking using live tracking DGPS System with mapping.

“ The TATA INDICOM INDIA & SINGAPORE CABLE SYSTEM” were tied up for laying optic fiber cable. The system called “TIISCS FIBER OPTIC SUBMARINE CABLE SYSTEM”

Underwater pile cutting

Using “DIAMOND CHAIN SAWING TECHNOLOGY “a damaged pile under the wharf, 1300mm dia with steel liner of 10mm thick around 7mtr length of weight 22MT, at a depth of 12 mtr was sliced at the sea bed level and removed as a single piece.

Nemmeli Desalination Plant

Alignment of Intake & Outfall Pipeline Laying Using DGPS Live Tracking – Nemmeli Desalination Plant

Underwater Mud Lifting

Underwater Mud Lifting / De-silting at Thermal Power plants ,Sea Water Intake forebay, filterscreen and tank areas.

Underwater Diffuser Installation

Underwater Diffuser Installation at Sea Water Intake Well Thermal Power plant - Tuticorin.

Dawn kanchipuram underwater blanking

Dawn kanchipuram underwater blanking.

  • Diving Support for Pipe laying, Diffuser Installation
Rapid Port Recovery After Cyclone Vardha

Resumed port operations within 24hrs by maintained the channel buoys for vessel movements after the vardha cyclone hits kamarajar port., ennore.

Efficient Underwater Videography Inspections

More than 300 under water videography inspection carried out in lieu of dry docking / ship sales, etc. Under various classification of society.

Brave Rescue: Saving Trapped Man

Rescue operation at decommissioned submarine ins vagli at chennai port: our team successfully entered into confined space filled with poisonous gas and saved a trapped man alive.

CREDENTIAL

• ISO 9001 : 2015 Certified

• Approved by Indian Register of Shipping

• Approved by DNVGL

• Approved by Bureau Veritas

• Approved by American Bureau of Shipping

• Approved by Lloyds Register of Shipping

• Approved by Class NK

• Registered with NSIC & MSME

• Qualified Team of Professional Divers

• Divers are Medically Certified & Insured

• Approved vendors Chennai Port Trust, Kamarjar Port, VOC Port

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