MMC Diving Services

"Since 1964"

24 hour Emergency Line: 01983 864 330
Email: enquiries@mmcdivingservices.co.uk

  • We strive at all times to maintain our excellent safety record and our goal for all projects is to have no incidents or accidents to our personnel, co-workers or the public at large, protecting not just ourselves but the reputation of our clients.

  • We would welcome clients to visit our facilities to reassure themselves of our capabilities and to appreciate our total commitment to their requirements.

  • Our equipment is maintained to a very high standard in our own workshops and is subject to our stringent in-house, planned maintenance procedures carried out by our skilled technicians.

    All maintenance, logs, inventories and certificates are networked, uploaded and viewable on every site.

  • We operate as both main contractors and as specialist sub-contractors and would be pleased to discuss or tender for any marine civil engineering related projects that you are involved with.

  • Drilling, cutting, burning, welding and breaking equipment, inspection, testing and surveying equipment, Cardox rock, concrete material breaking and blasting system, maintenance, construction and demolition, support vessels, boats and barges, grouting and concreting, breakout and replacement, thickness NDT, tanks and ships, interpretive report writing on any survey or inspection.

  • We have a 55 foot barge, accommodation for a full dive team and welfare facilities on board which include a galley, office, shower and heads with a purpose built drying room. One hull is a workshop with storage space.

    Self sufficient with a 52 kva 3 phase generator and available to rent. Please contact us for further information.

  • Although we provide services to most marine industries our core activities and specialist skills are concentrated in six key sectors:

    • Renewable energy
    • Submarine cables
    • Marine civil engineering
    • Water and waste water
    • Defence, construction and demolition
  • CONFINED SPACE RESCUE & ROPE ACCESS

    MMC are specialist providers of access engineering solutions including rescue, rope access and confined space works. The combination of these services allows MMC to offer innovative solutions to various challenging tasks, often in hazardous and difficult working conditions.

    We believe that it is our commitment to safety and innovation, as well as our multi-skilled personnel.

  • We aim to provide the very best service available. We love what we do and this is transparent in our work and your results.

    MMC has a range of hydraulic, pneumatic tools and burning, welding equipment available. Please contact us to discuss your requirements.

  • We develop lasting relationships by exceeding expectations. We operate as both main contractors and as specialist sub-contractors and would be pleased to discuss or tender for any marine civil engineering related projects that you are involved with.

CASE STUDIES > DIVING

Project: Boskalis cable extraction in Portsmouth harbour channel

Client: Kings Harbour Master

Project: Boskalis cable extraction in Portsmouth harbour channel

Principle Contractor: Boskalis

Contractor: MMC Diving Services

Duration: 10 days

Date posted: 17-10-2023

MMC Divers assist Boskalis to remove x3 cables stretching across Portsmouth harbour, these works were vital to the deepening and dredging of the main channel leading into the very busy international ferry port.

[Read full case study]

Project: Underwater welding International Ferry Port in Portsmouth.

Client: Portsmouth International Ferry Port

Contractor: MMC Diving Services

Duration: 4 weeks

Date posted: 11-03-2022

MMC Diving Services were awarded the tender to complete the installation of 69 anodes weighing approximately 80 kilos each.

[Read full case study]

Project: MMC Underwater Sheet Pile Welding Wightlink Ferry Terminal

Client: Wightlink

Contractor: MMC Diving Services

Date posted: 11-03-2022

MMC Diving Services win the tender to undertake the underwater welding works on the Wightlink freshwater ferry berth in Lymington New Forest, the project involved repairing holes within the sheet piles retaining wall and cleaning up all 88 tie rod bolts for a conditional survey...

[Read full case study]

Project: Chalk lake 1000 tonne concrete plug Kent

Client: Brett

Contractor: MMC Diving Services

Duration: 6 weeks

Date posted: 11-03-2022

Brett Aggregates needed to drain the quarry so it could be backfilled & the land reclaimed using materials excavated and removed from the London's HS2 project.

[Read full case study]

Project: Underwater Welding and Rope Access Work in HMNB Portsmouth

Client: Defence Infrastructure Organisation (DIO)

Principle Contractor: Volker Stevin

Contractor: MMC Diving Services

Duration: 10 months

Contract Value: £516,000

Date posted: 02-07-2019

MMC undertook 458 dives, with 49,000 minutes of Sub surface underwater welding, to install and weld 996 anodes over a period of 10 months within HMNB Portsmouth as part of the upgrade to the infrastructure supporting the arrival of the new 65,000 tonne aircraft carrier HMS Prince of Wales.

[Read full case study]

Project: HV Cable Installation

Client: DIO - HMNB Portsmouth

Contractor: Volker Stevin

Duration: 6 days

Date posted: 10-05-2019

MMC's 24 man team, including barges, crane, divers, cable pullers, and a multicat complete the subsea cable installation of x14 HV cables, testing and surveying in Portsmouth Harbour.

[Read full case study]

Project: Wall Stabilisation works to protect the historic Nelson's Quay

Client: DIO - HMNB Portsmouth

Contractor: Volker Stevin

Duration: 5 days

Date posted: 04-05-2019

MMC fabricated and installed protective measures for the new piling works using our cross-trained rope access team and divers to protect Nelsons historic wall within HMNB Portsmouth Dockyard.

[Read full case study]

Project: Underwater diamond wire cutting and concrete chain sawing

Client: APA Concrete repairs

Contractor: MMC Diving Services

Duration: 14 days

Date posted: 11-03-2019

With HMNB Portsmouth awaiting for the arrival of the new £3bn, 65,000-tonne aircraft carrier HMS Prince of Wales, extensive preparations are underway at the naval base.

[Read full case study]

Project: MPI Leak Detection and coded welding of water tank.

Client: Cambridge Hok

Contractor: MMC Diving Services

Duration: 3 days

Date posted: 07-01-2019

MMC Diving Services under took MPI inspection and dye testing of leaking water tank in Arreton on the Isle of Wight, once the leak was found the area was cleaned and welded by our underwater coded welders.

[Read full case study]

Project: MMC Divers support VBMS offshore IFA2 project

Client: VBMS

Principle Contractor: Prysmian Group

Contractor: MMC Diving Services

Duration: 8 weeks

Contract Value: £110,000

Date posted: 13-12-2018

Solent Based divers MMC Diving Services complete the offshore works with Boskalis on the IFA2 project x2 weeks ahead of schedule saving time and money for our client.

[Read full case study]

Project: Underwater Chain Sawing

Client: Yarmouth Harbour Commission

Principle Contractor: Mackley Construction

Contractor:

Duration: 2 weeks

Date posted: 26-07-2018

Island divers, MMC Diving services undertake underwater cutting and burning works as part of the refurbishment works to Yarmouth Pier on the Isle of Wight.

[Read full case study]

Project: Underwater Hydro Demolition

Client: Volker Fitzpatrick Ltd for the Port of Felixstowe

Principle Contractor: Volker Stevin Ltd

Contractor:

Duration: 6 weeks

Contract Value: £130,000

Date posted: 04-05-2018

MMC supplied an 8-man surface supplied dive team and containerised dive spread to undertake hydro demolition works within Felixstowe dock working night shifts in black water.

The team undertook the underwater Hydro demolition of x2 concrete slabs on the seabed in approximately 10-14 meters of water. The works were part of the quay extension to the container port where the new extension ties into the old Landguard Quay wall up against the existing sheet pile wall.

[Read full case study]

Project: MMC Divers complete survey works in HMNB Portsmouth

Client: DIO - HMNB Portsmouth

Contractor: Volker Stevin

Duration: 7 weeks

Contract Value: £200,000

Date posted: 25-10-2017

Survey works to upgrade the facilities in HMNB Portsmouth so it can accommodate Britain's second aircraft warship is under way.

The Base-Port Infrastructure Project on Victory and Sheer Jetties started with a condition and topographical survey consisting of a visual inspection of the tubular and raker piles.

[Read full case study]

Project: MMC Divers work with Volker Stevin in Multi-million-pound jetty project

Client: HMNB Portsmouth - DIO

Project: MMC Divers work with Volker Stevin in Multi-million-pound jetty project

Contractor: Volker Stevin Ltd

Duration: 12 months

Contract Value: £600,000

Date posted: 15-05-2017

The design and build contract to revamp the facilities in Portsmouth Naval Base so it can accommodate Britain's biggest warships took 18 months and £34.4m. The 90-year old structure at Middle Slip Jetty was turned into 21st Century moorings to meet all the needs of Britain's future flagship, "The Queen Elizabeth". MMC undertook the installation and welding of 408 anodes and 364 pile wraps as part of the care and maintenance program. MMC also supplied safety vessels for the tidal works, along with barges, work boats and rope access teams for works on the 150 feet navigation aids.

[Read full case study]

Project: Poole High Pressure Water Jetting

Client: Poole Borough Council

Project: Poole High Pressure Water Jetting

Contractor: MMC Diving Services

Duration: 5 days

Date posted: 11-04-2016

Poole Borough Council required a full detailed routine structural inspection and dimensional survey of bridge barrel and sluice gate to be undertaken by MMC Diving Services site diving engineers.

[Read full case study]

Project: MMC Diving Services Diving on the River Thames

Client: Berkeley Homes

Project: MMC Diving Services Diving on the River Thames

Principle Contractor: P&D Environmental Ltd

Contractor: MMC Diving Services

Duration: 6 days

Date posted: 15-02-2016

MMC Diving Services install three temporary steel pre-fabricated blanking plates across the front of the intakes to allow for dewatering of the sluices and new concrete to be pored and formed behind for Berkeley Homes.

[Read full case study]

Project: Scour Protection on Coppins Bridge

Client: Isle of Wight Council

Principle Contractor: Ringway Island Roads Ltd

Contractor: MMC Diving Services

Duration: 6 days

Date posted: 27-10-2015

An underwater survey conducted by the island divers MMC Diving Services on the Isle of Wight on behalf of Ringway Island Roads identified a scour hole had developed below one of the wing wall abutments requiring underwater emergency scour works or underpinning to be addressed. MMC divers undertook these works and completed them on time and within budget.

[Read full case study]

Project: Bridge scour protection works

Client: Bournemouth Borough Council

Project: Bridge scour protection works

Principle Contractor: Dyer and Butler

Contractor: MMC Diving Services

Duration: 17 Weeks

Date posted: 26-08-2015

In 2014 MMC Diver secured the contract to remove all the old bag work and concrete repairs which were installed previously as attempts to prevent under scour from the listed bridge in Bournemouth and replace this with a more sustainable solution by using four large concrete mattresses upstream and four large concrete mattresses downstream.

[Read full case study]

Project: Totland Pier Restoration Work

Client: Private Owner

Project: Totland Pier Restoration Work

Principle Contractor: MMC Diving Services

Contractor:

Duration: 6 days

Date posted: 25-08-2015

IOW Divers MMC undertake the first stage of the restoration work on Totland Pier starting from the sea bed up. Airlifting, hydraulic breakers, hydraulic wrenches and Air tools were used to install pile claps which were then filled with underwater grout to reinforce the old cast iron screw legs.

[Read full case study]

Project: I.O.W Divers Re-Grout Waterside Swimming Pool

Client: Waterside Community Trust

Project: Ryde Waterside Pool

Contractor: MMC Diving Services

Duration: 6 weeks (Phase 1)

Contract Value: £100,000

Date posted: 15-07-2015

Island divers MMC have been lurking beneath the waters of Ryde's Waterside Pool undertaking essential re-grouting maintenance. Divers from MMC are working through the night to re-grout the pool.

[Read full case study]

Project: Emergency Call Out for I.O.W Divers

Client: MV Leander

Contractor: MMC Diving Services

Duration: 2 days

Date posted: 15-07-2015

MMC Diving Services receive the emergency call out to attend MV Leander. The vessel had got her port prop entangled around the steel special mark.

[Read full case study]

Project: Sustainable Wave Energy Project

Client: Sustainable Marine Energy Ltd

Principle Contractor: Orcades Marine Management Consultants Ltd

Contractor: MMC Diving Services

Date posted: 11-03-2015

Island Divers MMC Diving Services brave the ice cold conditions, deep waters, strong currents and zero visibility to assist new wave energy program.

MMC has always desired being part of a project creating economical environmentally sound sustainable energy.

The waters around the Isle of Wight are famous for their incredible tidal strengths, so when the opportunity to work with Sustainable Marine Energy Ltd on a tidal project came up MMC were delighted to be able to get involved.

[Read full case study]

Project: Channel Island Anode Welding Works

Client: States of Guernsey Harbour Commission

Contractor: Concrete Repairs Ltd

Duration: 17 weeks

Date posted: 19-01-2015

MMC divers carry out welding works in Channel Islands.

Island based dive team MMC returned to Guernsey for the 2nd phase of the underwater welding works for CRL. After burning off old bolts, cleats and excess metal with underwater Brocco, the team welded thirty 120 kilo anodes in to place.

To ensure the quality of the welds MMC Diving Services has developed a weld procedure through weld trials undertaken in a controlled tank by our divers. Quality procedures including recorded Inspection and test plan have been developed and implemented.

[Read full case study]

Project: Ringway Island Roads Underwater Surveys Work

Client: Isle of Wight Council

Contractor: Ringway Island Roads

Duration: 3 Weeks

Date posted: 21-11-2014

MMC's dive team where employed to carry out underwater surveys across 5 locations on the Isle of Wight to identify the current status of the bridges and the maintenance works needed.

[Read full case study]

Project: Scour protection of old listed bridge in Bournemouth

Client: Bournemouth Borough Council

Contractor: Dyer & Butler

Duration: 12 Weeks

Date posted: 06-11-2014

Old listed bridge scour protection in Bournemouth.

Many attempts had been made to stop the erosion around the old Iford Bridge, with four previously appointed dive companies assigned the task to make repairs.

However due to the extreme flow rates it became evident that a more permanent sustainable solution was needed.

[Read full case study]

Project: The Moorings Lock Gate

Client: Private Association

Contractor: MMC Diving Services

Duration: 4 days

Date posted: 27-10-2014

MMC Dive teams use venturi dredging pump to clear build-up of debris then replace new panels underwater in private lock gate. MMC's hydraulic drills and underwater tool packages enabled a prompt turn around.

[Read full case study]

Project: MMC divers work with leading tidal energy

Client: Perpetuus Tidal Energy Centre Ltd

Contractor: IT Power

Duration: June 2014

Date posted: 12-08-2014

MMC Divers undertook the survey on an old pipe in Ventnor, on the South of the Isle of Wight.

[Read full case study]

Project: MMC Divers Work With Boskalis Westminster

Client: Cowes Harbour Commission

Contractor: Boskalis Westminster

Duration: 10 days

Date posted: 11-08-2014

MMC Divers worked with the team from Boskalis Westminster on the Cowes breakwater construction programme.

[Read full case study]

Project: Island Divers Work On Victorian Pier Sandown

Client: Sandown Pier

Contractor: Andark Diving

Duration: July 2014

Date posted: 11-08-2014

Island divers MMC carry out repairs at Sandown Pier on the Isle of Wight.

[Read full case study]

Project: IOW Divers on Lifeboat Station

Client: RNLI

Contractor: MMC Diving Services

Duration: 3 days

Date posted: 09-04-2014

Island divers MMC have just completed emergency works on the Isle of Wight RNLI lifeboat station in Bembridge.

[Read full case study]

Project: Underwater Hydro-tightening on Trinity

Client: Cowes Harbour Commission

Contractor: Mackley Construction

Duration: 6+ years ongoing

Date posted: 03-12-2013

MMC Divers use hydraulic torque equipment to tighten underwater joints on Trinity landing. A 100 meter long commercial pontoon in the hart of Cowes on the Isle of Wight.

[Read full case study]

Project: Underwater welding in Guernsey

Client: Guernsey Harbour Authority

Contractor: Concrete repairs Ltd

Duration: 3 months

Date posted: 11-11-2013

Guernsey harbour authority have started the concrete repairs to the commercial dock 4.

[Read full case study]

Project: Glasgow Commonwealth games

Client: Glasgow City council

Contractor: Aquatic Engineering

Duration: 3 weeks

Date posted: 11-11-2013

Strathclyde Loch in Glasgow will host the 1,500 metre swimming for the commonwealth games triathlon in July 2014. Tests of the water have shown high levels of algae and other contamination and there is an urgent need to improve the water quality.

[Read full case study]

Project: Scour protection in a SSSI and RAMSAR area

Client: Network Rail

Contractor: Dyer and Butler

Duration: 2 months

Date posted: 11-11-2013

MMC Diving Services were contracted to design and fabricate a deflecting barrier from steel to divert up to 2500 tonnes of water away from the bridge abutment.

[Read full case study]

Project: Stena Perros 100mm Seacock Replacement

Client: M/V Stena Perros

Contractor: Shipping agent

Duration: 24 hrs

Date posted: 30-08-2013

Within 24 hours mmc divers were mobilised on board the 36,168 gt motor tanker "Stena Perros"

[Read full case study]

Project: Survey works on Bournemouth bridges

Client: Bournemouth Borough Council

Contractor:

Duration: June 24th - June 28th

Date posted: 01-07-2013

MMC Diving Services won the tender to survey the two Iford bridges and Tuckton bridge in the Bournemouth area for the Bournemouth Borough Council

[Read full case study]

Project: Sir Ben Smashes Record

Client: Ben Ainslie Racing

Contractor: JP Morgan Asset Management

Duration: June 2013

Date posted: 26-06-2013

Sir Ben Ainslie and his crew onboard J.P.Morgan BAR AC45 smashed the Round the Island Race multihull record off the Isle of Wight.

[Read full case study]

Project: Poole Harbour Excavation

Client: Poole Harbour Commision

Contractor: Raymond Brown Construction Ltd

Duration: 3 days

Date posted: 03-04-2013

MMC Diving Services were called in to survey the deteriorating sheet pile wall just north of the chain ferry in Poole Harbour

[Read full case study]

Project: Anglian Water

Client: Anglian Water

Principle Contractor: GTM Galliford Try & Imtech

Contractor: Ward and Burke & Aquatic Engineering

Duration: 6 days

Date posted: 21-01-2013

Anglian water have taken serious actions to help boost the supplies to the city of Lincoln, one of which is the construction of a water treatment plant capable of pumping 20 million litres of clean water to it each day.

[Read full case study]

Project: Cowes Yacht Haven sea wall repairs

Client: Cowes Yacht Haven

Contractor: Cowes Yacht Haven

Duration: 2-3 days all season

Date posted: 16-10-2012

MMC Diving Services were contracted to re-install a number of blocks weighing 2.5 tonnes each which have fallen off over the years.

[Read full case study]

Project: Royal Fisheries Scour protection

Client: Network Rail

Contractor: Dyer and Butler

Duration: September 2012 / 14 Weeks

Date posted: 01-09-2012

Aquatic Engineering and MMC designed a deflector plate to divert 2,500 tonnes a second away from the working area, to enable the works to be undertaken.

[Read full case study]

Project: Medina Leisure Centre Tile Repairs

Client: Isle of Wight County Council

Contractor: Medina Pool

Duration: On going contract

Date posted: 14-08-2012

During the summer of 2012, 60 wall tiles brokeoff, and we were called in to restore them just weeks before The Island Games were due to start.

[Read full case study]

Project: Stour Bridge Scour protection

Client: Network Rail

Contractor: Dyer and Butler

Duration: July 2012 / 10 Weeks

Date posted: 10-07-2012

Due to the fast flowing river, Network Rail required some scour protection around the piers.

[Read full case study]

Project: Aberdeen Torry Quay Redevelopment

Client: Aberdeen Harbour Board

Principle Contractor: McLaughlin & Harvey

Contractor: Aquatic Engineering

Duration: 10 days

Date posted: 10-04-2012

Underwater and topside welding and burning, installing a staple onto the sheet piles, fabricate some weights and install a containment curtain.

[Read full case study]

Project: Filtration system

Client: Thames Water Farmoor

Contractor: Aquatic Engineering

Duration: March 2012 / 4 weeks

Date posted: 09-03-2012

Aquatic Engineering designed and fabricated a natural filtration system to be built, installed and tested at Farmoor Reservoir.

[Read full case study]

Project: Cowes Inshore Life Boat Station Refurbishment

Client: RNLI

Contractor: Raymond Brown Construction

Duration: December 2011 / 14 Weeks

Date posted: 04-12-2011

The refurbishment of the lifeboat station and slipway build has been partly funded by a £1M public appeal for RNLI funds.

[Read full case study]

About Us

Small classic boat salvage

Anode installation Portsmouth harbour

Denso Seashield 2000 Pile wrapping in Portsmouth harbour

Poole High Pressure Water Jetting

Saint Christophe 1 Salvage

Cowes Harbour Repairs

Mv Malbuhay Salvage

Iford Bridge Scour

Waterside Pool Ryde

MV KAHU SALVAGE

MMC PROMO

UNDERWATER WELDING

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