hydronas™ - w3g marine · 2019. 2. 27. · phone: + 44 (0)1224 329020 | fax: + 44 (0)1224 310037...

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phone: + 44 (0)1224 329020 | fax: + 44 (0)1224 310037 | 23 Rubislaw Den North, Aberdeen, AB15 4AL www.w3gmarine.co.uk Registered office: 23 Rubislaw Den North, Aberdeen, AB15 4AL Registration number: SC380197 HIGH PERFORMING UNDERWATER NOISE MITIGATION 12m Trial Prototype Deated Inated 1/2 Inated How It Works System CharacterisƟcs Proven 25dB SEL and 35dB peak pressure noise reducƟon across the barrier No installaƟon vessel downƟme – can be ocriƟcal path Minimal deck space or payload requirement Adaptable to variable water depth and pile diameter Congured to suit project specics Safe and inexpensive Compact and lightweight can be air freighted Can be incorporated into piling template or gripper arm Deployable in harsh oshore marine condiƟons Patented HYDRONAS™

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Page 1: HYDRONAS™ - W3G Marine · 2019. 2. 27. · phone: + 44 (0)1224 329020 | fax: + 44 (0)1224 310037 | 23 Rubislaw Den North, Aberdeen, AB15 4AL Registered office: 23 Rubislaw Den North,

 

 phone: + 44 (0)1224 329020 | fax: + 44 (0)1224 310037 | 23 Rubislaw Den North, Aberdeen, AB15 4AL

www.w3gmarine.co.uk

Registered office: 23 Rubislaw Den North, Aberdeen, AB15 4AL Registration number: SC380197

HIGH PERFORMING UNDERWATER NOISE MITIGATION 

 

12m Trial Prototype 

 

Deflated 

Inflated 

  1/2 Inflated 

How It Works 

System Characteris cs 

Proven  25dB  SEL  and  35dB  peak  pressure  noise  reduc on 

across the barrier 

No installa on vessel down me – can be off cri cal path 

Minimal deck space or payload requirement 

Adaptable to variable water depth and pile diameter 

Configured to suit project specifics 

Safe and inexpensive 

Compact and lightweight ‐ can be air freighted  

Can be incorporated into piling template or gripper arm 

Deployable in harsh offshore marine condi ons 

Patented 

HYDRONAS™ 

Page 2: HYDRONAS™ - W3G Marine · 2019. 2. 27. · phone: + 44 (0)1224 329020 | fax: + 44 (0)1224 310037 | 23 Rubislaw Den North, Aberdeen, AB15 4AL Registered office: 23 Rubislaw Den North,

 

 phone: + 44 (0)1224 329020 | fax: + 44 (0)1224 310037 | 23 Rubislaw Den North, Aberdeen, AB15 4AL

www.w3gmarine.co.uk

Registered office: 23 Rubislaw Den North, Aberdeen, AB15 4AL Registration number: SC380197

HIGH PERFORMING UNDERWATER NOISE MITIGATION 

 

Bellows Within Pile Gripper Arm 

System Open 

System Closed 

Deployed Under  

Gripper Arm 

 

Water Ballast System 

Acous c Sleeve 

Indexing Arm 

Pile Guide Template 

Mud Mats 

Piling Template 

One Li  Pre‐Installed on Monopile 

HYDRONAS™