ROV WEEK 1

1. Introduction

a. Semi-subs

b. Drill ships

c. Pipe laying barges

d. Cable laying barges

e. Fixed platforms

f. Vessels of opportunity

g. ROV/ Dive support vessels

h. Heavy lift barges

i. Jack-up Rigs

j. ROV work (small scale)

k. Diver support

l. Trenching/ pipe laying

m. Examples of launch & recovery systems LARS

n. Pipeline inspection

o. Example work-class tooling packages 

2. ROV Overview

a. Why use ROVs

b. Classes of ROVs 

3. Main ROV components

a. Transformers (step-up/ down and isolation)

b. Surface control unit (SCU)

c. Hand controller/ console

d. Manipulator controllers

e. Master/ slave manipulation controllers

f. Main ROV components (overview) 

4. Safety

a. Overview of offshore/ ROV hazards

b. Electrocution

c. Working at sea

d. Lifting (manual/ mechanical)

e. Explosive atmospheres/ hazardous areas

f. Working with divers

g. Nature of the Sea

h. Hydraulics

i. Passive & Active protection systems

j. Isolation

k. Double Insulation

l. Line Insulation Monitors 

5. Electrical installation in adverse/ hazardous areas

a. Adverse/ Hazardous environments

b. Risks & Injury

c. Classification of Hazardous Areas

d. Zoning

e. Safe Areas

f. Zone 0

g. Zone 1

h. Zone 2

i. Explosion protection methods for different Zones (with examples)

j. ROV shack Zone protection systems

k. Temperature classes

l. Gas Groups 

6. Buoyancy and drag

a. Definitions

b. Vehicle buoyancy/ design requirements

c. Reasons for Positive buoyancy

d. Reasons for Negative buoyancy

e. Reasons for Neutral buoyancy

f. Umbilical/ tether buoyancy

g. Drag effects

h. Deep water deployment

i. Combinational/ mixed buoyancy techniques

7. Launch Techniques

a. Live boating

b. TMS deployment

c. Top-hat TMS

d. Garage TMS

e. Umbilical winch

f. Latch-lock systems

g. Launch considerations 

8. Pressure vessels, seals & connectors

a. Pressure

b. Pressure vessels

c. ‘O’ ring seals

d. Care of ‘o’ rings

e. Oil filled vessels

f. Compensators

g. Filling oil filled vessels

h. Underwater connectors

i. Care of connectors

9. Electric Thrusters(1)

a. Types of motors

b. Controls

c. 3-phase AC induction motor

d. DC permanent magnet motors

e. Brush-less DC

f. Thruster layouts

g. Thruster maintenance & faults

h. Shaft seals

i. Crane seals

j. Spring seals

k. ‘V’ seals

l. Thruster drive/ control boards 

10. Video & lighting

a. Video picture

b. Video signal (line signal)

c. Camera types (CCD, SIT, SDA)

d. Video transmission

e. Balanced line drivers/ receivers

f. Pan & Tilt

g. Lights (care & maintenance, positioning) 

11. Sensors

a. Compass

b. Pressure/ depth

c. Altimeter

d. Water ingress

e. CP probes (contact/ proximity) 

12. Sonar systems

a. Navigational sonar

b. Main controls

c. Interpreting image

d. Profile scanning sonar

e. Side scan sonar

f. Forward looking fixed head sonar 

13. Tracking Systems (HPR)

a. Long baseline

b. Short baseline

c. Ultra Short Baseline (USBL)

d. ROV beacons

e. Hydra-phones

f. Typical systems/ displays.

Practical exercises/ assessments