The National Diving & Activity Centre

Diving Times

Full opening times ›

National Diving & Activity Centre
Tidenham
Chepstow
Gloucestershire
NP16 7LH
 
Tel: 01291 630 046
 
email

Please be advised that the NDAC is closed Monday to Wednesday, so emails and phone calls may not be responded to during this time. Depending on when you make your enquiry it may take a few days before we can get back in touch with you.


NDAC Emergency Procedure Information

Contact Details

The National Diving & Activity Centre
Tidenham Quarry
Tidenham
Gloucestershire
NP16 7LH
England
 
Tel 01291 630046
Fax 0129 1630850
 
Website www.ndac.co.uk
Email NDAC Contact Form

Nearest Telephone and Communications Locations at site

Main Building Servicing Centre and Shop.

Waterside our staff have a radio link to the main building at all times.

The Emergency push button alarm system on the floating pontoons is linked into main site intruder alarm system.

Push button radio link to all centre staff is situated in a yellow box outside wooden shed on the floating pontoons.

During opening hours we have an attendant on the pontoons should you need to raise the alarm.

CCTV is in constant use at NDAC 24/7 and is recording constantly.

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Emergency Services 

Dial 999 or 911

HM Coastguard Channel 16 or 999

Maritime Coastguard Agency  (Beachley) 01291 626814

If the incident is a diving related incident and on advice from DDRC an aircraft is dispatched to NDAC at the same time and ambulance is automatically sent to NDAC.

If there is a single casualty then the air ambulance will deal with the incident.  If there is a multi casualty situation then the RAF will be scrambled to deal with the incident.

If the incident is during the evening past dusk then again the RAF search and rescue Sea King will be dispatched. However Gloucestershire Police Air Support Unit do have night lift capability 

If weather conditions are not suitable then the casualty can be taken all or part of the way to DDRC

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NDAC Site Description

Dayhouse Quarry NDAC OS Map2 Miles East of Chepstow on the A48. NDAC Location Map and Directions>

Map Reference Sheet 162 Grid 552955. NDAC OS Map>

GPS 55238 / 95854

Quarry runs North – South / East – West

Car Park at southern end of site

Hazards Telegraph pole 30 meters south of landing zone

NDAC Site Plans and underwater maps>

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Nearest Recompression Chambers

The nearest Chambers to the National Diving & Activity Centre are as follows:

Plymouth (DDRC): The Hyperbaric Medical Centre
Tamar Science Park
Research Way, Derriford
Plymouth, Devon
PL6 8BU

Principal Medical Director: Dr. Phil Bryson
Daytime Telephone No: 01752 209999
Emergency Telephone No: 08702 385001
24 Hour Cover: Yes
Chamber Proximity to Supporting Hospital: Adjacent to Derriford Hospital
Name and Address of Supporting Hospital:

Derriford Hospital
Derriford Road
Plymouth
PL6 8DH
0845 155 8155

Chamber Proximity to Helicopter Winch Point: On Site
Time to Mobilise Chamber: 40 Minutes
Category of Chamber: Category 1 and 4
Responsible Health Authority or Trust: Plymouth NHS Trust 

Wirral: North West Emergency Recompression Unit
Murrayfield Hospital, Holmwood Drive
Thingwall, Wirral
CH61 1AU
Principal Medical Director: Dr. John Harrison
Daytime Telephone No: 0151 648 8000
Emergency Telephone No: 0151 648 8000
Chamber Proximity to Supporting Hospital: On Site (not a BUPA chamber)
Name and Address of Supporting Hospital:

Murrayfield Hospital
Holmwood Drive
Thingwall
Wirral
CH61 1AU
0151 648 7000

Chamber Proximity to Helicopter Winch Point: On Site
Time to Mobilise Chamber: Less than 30 mins
Category of Chamber: Category 1
Responsible Health Authority or Trust: Not Applicable

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Specialist Hyperbaric Advice

DDRC, Plymouth
Tel 01752 209999

The Diving Diseases Research Centre (DDRC), is a charity which aims to promote and take part in the medical treatment, training and research associated with the use of hyperbaric oxygen in the treatment of diving diseases and other medical problems.

Capital Hyperbarics, London
Tel - 07623 937666

The Diver Clinic
Tel 07770 423 637

Hyperbaric Chamber and Recompression Services in Poole and Reading. The Diver Clinic provide a recompression service for divers with decompression illness (the bends). If you wish to contact us concerning symptoms, our hyperbaric chamber or the medical treatment of diving injuries, please call our emergency number shown above.

London Diving Chamber, London
Tel 07940 353 816

The London Diving Chamber, a Hyperbaric decompression chamber offering NHS funded recompression to divers with Decompression Sickness (DCS) together with other Hyperbaric Oxygen Therapy (HBOT) treatments.

London Diving Chamber specialises in Diving Medicine and provides a 24 hour clinic with everything a diver could need from a medical facility.

British Hyperbaric Association
The aims and objectives of the BHA are as follows:
To promote the understanding and safe practice of hyperbaric medicine
To provide a forum for discussion of hyperbaric therapy in the British Isles, with particular consideration of:

  • Clinical indications
  • Therapeutic standards
  • Audit and research
  • Funding
  • Management

To self regulate member chambers, so that hyperbaric oxygen therapy is delivered in an appropriate and safe manner to patients, and that member chambers work within accepted clinical and technical standards and legislation.
To encourage the exchange of information on treatment problems, a common database, the best use of resources available, and methods of closer unification.
To encourage a method by which peer group review is acceptable and current medical advances are disseminated.
To discuss methods of achieving long term financial support.

 

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DAN: Divers Alert Network

DAN helps divers in need, 24/7, anywhere in the world, with medical emergency assistance, and promotes diving safety through Research, Education, Products and Services

Emergency 0870 871 9999
Support 0870 872 8888
Website - www.daneurope.org

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Nearest Accident and Emergency (A&E) Hospitals

Lydney & District Hospital (Minor Injuries)
22 Grove Road
Lydney
Gloucester
GL15 5JF

01594 598 244

Royal Gwent Hospital (Major / Minor Injuries)
Cardiff Road, Town Centre
Newport ,Gwent
NP20 2UB

01633 234 234 

Southmead Hospital (Emergency Department (ED) and Minor Injuries Unit (MIU))
Southmead Road,
Westbury-on-Trym,
Bristol, Avon.
BS10 5NB

01179 505 050

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Oxygen Therapy Units

Inside Servicing Centre inside the main building.
Inside the Floating Pontoon Shed (Waterside).

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First Aid /Kits

Inside Servicing Centres (main building).

Inside the NDAC shop (main building).

Inside the Floating Pontoon Shed (Waterside).

Inside all vehicles.

A Defibulator is located inside the Floating Pontoon Shed (waterside) with a Spine Board Stretcher and blankets.

We have a Safety Support Boat (waterside) for use at ALL times should further assistance be required from any diver in the water.

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NDAC Environmental Impact Features

Water Type
Fresh water, non-tidal, spring fed

Temperature
Minimum TBC
Maximum TBC
Average TBC
Current temperature>

Visibility
Minimum < 1m
Maximum > 22m+
Current visibility >

Visibility Effectors
Time of Year
Kicking up Silt
Heavy Rainfall

Depth Range
Minimum 1m
Maximum 82m
Average 10m - 30m
Dependant on the time of year, depth can vary by around 1.0- 1.5 meters

NDAC Underwater Site Map>

Bottom Composition
Large Limestone Rocks (please refer to shop map of quarry before it flooded)

Underwater Obstructions
Swim through (Plastic tube tunnels)
Aircraft wreckage (various)
Vehicle wreckage (various)
Steel Training platforms (various)
Diving bell
Large drop off from 30 shelf to 50m
Large drop off from 50 shelf to 80m

NDAC Dive Area Map>

Entry & Exit Points
Various - most giant stride with a number of spine ladder exits (please refer to site map for locations)
A concrete slipway is under construction

NDAC Overall Site Map>

Environmental Impact Study           
A detailed Environmental Impact Study has been completed   

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Useful Site Numbers

Site Office
Tel: 01291 630 046

Mr C Gleadow
07507 896 854

Mr D Bryce MBE
07811 430 137


 

 

     

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