COURSES
Dive Balham, Dive Wimbledon, Dive Kingston and Dive Putney offer a range of TDI courses including Advanced Nitrox, Decompression Procedures and an introduction to Twinset Fundamentals.
TDI – Advanced Nitrox Diver Course
This course examines the use of EAN-21 through 100% oxygen for optimal mixes to a depth of 40 metres. The objective of this course is to train divers in the benefits, hazards and proper procedures for utilizing EAN-21 through 100% oxygen for dives not requiring staged decompression. Decompression techniques or other courses may be combined with this course at the discretion of the instructor.
Qualifications of Graduates
Upon successful completion of this course, graduates may engage in diving activities utilizing EAN-21 through 100% oxygen without direct supervision so long as:
1. The diving activities approximate those of training.
2. The areas of activities approximate those of training.
3. Environmental conditions approximate those of training.
Upon successful completion of this course, graduates are qualified to enroll in:
1. TDI Decompression Procedures Course.
2. TDI Extended Range Course.
Student Pre-Requisites
The student must:
1. Be a minimum age of 15 (Note: We do not offer this course for students under 18)
2. Have a minimum certification of TDI Nitrox Diver (or equivalent).
3. Show proof of 25 logged open water dives.
Course Structure and Duration
Open Water Execution:
1. 4 dives are required with a minimum accumulated bottom time of 100 minutes.
2. If Advanced Nitrox is taught in conjunction with Decompression Procedures only a total of 6 dives are required.
3. Only 2 dives from Advanced Wreck course may be credited towards the total dives required.
Course Structure:
Required Minimum Equipment
The following are required for this course:
1. TDI Advanced Nitrox Student Manual.
2. TDI EAD I P02 Tables.
The following equipment is required for each student:
1. Alternative second stage octopus attached to a primary regulator or a redundant scuba unit (three hundred and seventy (370) litre.
2. A submersible pressure gauge.
3. Depth gauge and automatic bottom timer and/or dive computer.
4. Buoyancy Compensator with power inflator.
5. Exposure suit adequate for the open water environment.
6. Cylinder and Regulator properly labelled and cleaned as required for EAN mixtures.
7. Access to oxygen analyser (Instructor may supply).
Required Skill Performance and Graduation Requirements
Maximum training depths shall not exceed 40 msw. The following open water skills must be completed by the student during all open water dives:
1. Properly analyse gas mixtures.
2. Demonstrate adequate pre-dive planning
A. Limits based on personal gas consumption.
B. Limits based on oxygen exposures at planned depth with actual mix.
C. Limits based on nitrogen absorption at planned depth with actual mix.
3. Properly execute the planned dive within all pre-determined limits.
In order to complete this course, students must:
1. Satisfactorily complete the TDI Advanced Nitrox Course written examination.
2. Complete all open water requirements safely and efficiently.
3. Demonstrate mature, sound judgment concerning dive planning and execution.
TDI – Decompression Procedures Course
This course examines the theory, methods and procedures of planned stage decompression diving. This program is designed as a stand-alone course or it may be taught in conjunction with TDI Advanced Nitrox Course. The objective of this course is to train divers how to plan and conduct a standard staged decompression dive not exceeding a maximum depth of 45 metres. The most common equipment requirements, gear set-up, and decompression techniques are presented. Students are permitted to utilize Enriched Air Nitrox mixes or oxygen for decompression provided the gas mix is within their current certification level.
Qualifications of Graduates
Upon successful completion of this course, graduates may engage in decompression diving activities without direct supervision so long as:
1. The diving activities approximate those of training.
2. The areas of activities approximate those of training.
3. Environmental conditions approximate those of training.
Upon successful completion of this course, graduates are qualified to enroll in:
1. TDI Advanced Nitrox Course.
2. TDI Extended Range Course.
3. TDI Advanced Wreck Course.
4. TDI Entry Level Trimix.
Student Pre-Requisites
The student must:
1. Be a minimum age of 18.
2. Have a minimum certification of Open Water Diver.
3. Show proof of 25 logged open water dives.
Course Structure and Duration
Open Water Execution:
1. 4 dives are required.
2. If Advanced Nitrox is taught in conjunction with Decompression Procedures only a total of 6 dives are required.
3. Only 2 dives from Advanced Wreck course may be credited towards the total dives required.
Course Structure:
Required Minimum Equipment
The following equipment is required for each student:
[TDI Decompression Procedures Student Manual]
1. Primary Cylinder(s). Cylinder volume appropriate for planned dive and student gas consumption.
2. Decompression Mix Cylinder(s)
A. Cylinder volume appropriate for the planned dive and student gas consumption with submersible pressure gauge.
B. Labelled in accordance with TDI Standards.
3. Depth gauge and automatic bottom timer and or dive computer.
4. Regulator(s)
A. Primary and alternate 2nd stage required on all primary cylinders.
B. Submersible pressure gauges are required on all primary cylinders.
5. Buoyancy Compensator(s) adequate for equipment configuration.
6. Jon-line and other rigging lines as dictated by site conditions.
7. Ascent Reel with Lift Bag /Surface Marker Buoy.
A. Adequate for maximum planned depth.
B. Minimum of 11Kg lift bag.
8. Oxygen Analyser (may be supplied by the Instructor).
9. Exposure Suit adequate for the open water environment.
10. Underwater Slate.
Twinset Fundementals
Duration 3-4 Hours
Cost £60.00
Minimum Age 15 Years
Prerequisites Open Water diver
Course Dates Please ring
This 3-4 Hour programme is designed to develop on a divers fundamental buoyancy, finning and streamlining skills thereby making him/her more comfortable, competent and confident underwater while introducing the diver to new and different kit configurations.
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