CASE STUDIES

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Levens Viaduct Restoration – Ulverston

GPS MACS, working on behalf of Story Contracting and Network Rail, required marine support with the Grade II listed* Levens Viaduct in Ulverston. The viaduct, originally built in 1857, comprises 49 similar spans, with the piers constructed on a concrete apron which required extensive restoration

Suspended Pile Access – Africa

Our client in Africa needed a safe and efficient way to access and work on a long series of newly installed piles stretching from the shoreline to a jetty. The project required workers to have 360-degree access to each pile for maintenance, and the solution had to be easily repositioned to over 100 different locations.

Barge Conveyor Demolition – Lincolnshire

AR Demolition required water access to demolish an old set of piles and dolphins on the upper River Trent. The structure provided moorings for visiting barges to moor to, along with support for a conveyor that ran from the quarry.

Scour Protection – Camarthen, Wales

Northern Divers required a self-propelled pontoon with a Hiab crane to support the installation of 14 x 700kg rock bags to provide scour protection to an exposed pipeline in the River Towy near Carmarthen.  

Drainage Access – Tottenham, London

GPS MACS required floating access on a narrow concrete-lined drainage channel in Tottenham, London. ScaffFloat mobilised 6no 8 x 4.2m pontoons, which were moored in the channel.

HMS Iron Duke & St Albans – Inclination Test – Falmouth

 APCL A&P Falmouth Docks needed a stable platform for surveyors to conduct inclination tests on two Naval Frigates. This required good access to the load line markings on the hull to the waterline.

HMS Prince of Wales & Queen Elizabeth – Hull Painting – Portsmouth

A project providing painters with access under the Navy’s two flagship aircraft carriers, as their bow’s overhangs prevent the use of other access systems.

Ironbridge – Bridge Access

We provided an 8mx6.4m powered pontoon for drilling work on a bridge at Ironbridge on the River Severnover the fast flowing River Severn.

Geotechnical Drilling Pontoon

Fugro approached us to provide a pontoon with spud legs that would be suitable for drilling work in Dover harbour. 

River Lea

GPS MACS required a floating platform with lifting capabilities that could dry out on the steep mud banks of Thames to install ladders and fendering.

Sub-sea Mattress Installation

Our sinking pontoon allowed ARC Marine® and Structural Evolution Ltd to install four 8t marine mattresses to cover a new seawater inlet pipe.

Barmouth Viaduct Demolition

We were approached by Pennys group to produce a complex floating solution to help their team cut up and demolish the historic Barmouth viaduct.

Suspended Platform – Barmouth Viaduct

While we were working on the removal and restoration of the Barmouth viaduct we were asked if we could offer access to the underside of the new bridge spans.

Cleveland Bridge – Bath

Contractors needed access to the underside of the famous Cleveland Bridge with its very busy trunk road to carry out inspection and subsequent repairs.

Ferry Ramp Repairs – Southampton

GA Marine required assistance to undertake welding and replating of a roll on/roll off ferry ramp in Southampton docks that had been identified as requiring immediate repair

Fixed Walkway – St Mawes, Cornwall

 A private resident in St Mawes, Falmouth, needed a temporary, high-quality fixed walkway built for the summer season. The walkway needed to provide easy access from their waterside property to the water, even at low tide, for their holiday guests.

Bridge Maintenance – March Town

Volker Laser required floating access to support a 10-week program of bridge maintenance work on the March Town Bridge. 

Demolition Support, Birmingham

AR Demolition was demolishing an industrial building next to a busy canal in Birmingham. They required a pontoon to provide catchment for any stray material that would otherwise fall into the busy waterway, as well as access to the water facing elevation of the building.

Underside Jetty Access – East Coast, UK

We are currently working for a client on the East Coast of England who is undertaking repairs and maintenance to the underside of a jetty.

Pier Maintenance – Teeside

We were asked to offer long term floating access to facilitate shot blasting of jetty piles in Tyneside.

Campaign Pontoon – Thames, London

A client we provided a protest pontoon for at the COP26 summit a few years ago came to us a few weeks ago and asked us to help with a campaign on the Thames. 

Workboat duties – APCL A&P Falmouth

We were requested by APCL A&P Falmouth to provide a workboat to support duties including access, moving fenders, push towing pontoons and barges, and assisting with other towing and ship positioning duties.

Dive survey – Bewl Water, Kent

GPS MACS, our long-standing marine civils partner, contracted by CMDP JV for a Southern Water dive survey at Bewl Water, Kent, needed a pontoon to support their operations.

Bridge Scaffolding Installation – River Lee

MR Scaffolding needed a reliable platform to support the mobilisation and subsequent demobilisation of fixed scaffolding beneath the River Lee Bridge in North London.

Equipment Transport – Cornwall

As part of a planned redevelopment of the southern shore of the lake (which is only accessible by water) the CST needed to transport approx. 50 tonnes of plant, machinery, and building materials across the lake.

Jetty Maintenance – River Tees

Sub Aqua Diving Service required a pontoon to access the underside of a jetty, on the River Tees, for inspection and routine maintenance.

Scaffolding Installation Support – Doncaster

Attridge Scaffolding, our long-standing scaffolding partner, needed a reliable floating platform to install a hanging scaffold beneath the Doncaster Rail Bridge. 

Scaffold Tower Installation – Reading

Attridge Scaffolding, our long-standing partner, wanted to erect a scaffold tower on a ScaffFloat to install anti-climb measures on Gasworks Road Bridge, which spans the River Kennet in Reading.

Floating LED Screen – LIV Golf Tour UK

Arena Group approached us to provide a pontoon for a mid-lake LED screen at the prestigious JCB Golf Course in Uttoxeter, which was hosting the LIV Golf Tour for the first time.

Safety Support Boat – Padstow

Edwards Diving Services required safety boat support for an underwater survey at Padstow Lifeboat Station located 3.5 miles west of the Padstow harbour entrance. This was to be performed by a small unmanned surface vessel (USV) controlled by a team onshore.

Ferry Ramp Replacement – Falmouth

A&P Falmouth requested our assistance to replace the rear ramps on the Irish Ferries vessel “Isles of Innisfree” while it was alongside their dock in Falmouth.

Bridge Inspection – Alfriston

A good example of “build-your-own” floating access. Scaffolding Ltd needed access for one of their clients to carry out an inspection and repairs on the remote and tidal Frog Firle Bridge, Alfriston.

Geophysical Surveying – Scotland

Fugro needed to carry out a geophysical survey on a remote reservoir in North West Scotland with no vehicle access. They asked us for a self-propelled ScaffFloat that would be highly manoeuvrable and hold station accurately.

Riverside Scaffold Installation – Bath

TR Scaffolding requested a pontoon to assist with the installation and then subsequent dismantling of scaffolding on the riverside facade of the Buro Happold Building, Bath.

Transportable ScaffFloat – Southampton

Vision Scaffolding approached to provide access under a jetty with a tight pile pattern, at short notice. It was a great opportunity to show how the smaller ScaffFloats can be transported to site fully made.

Bridge Wall Survey – River Medway

The client, Soil Engineering, required a secure platform to carry out a series of dynamic probes using a terrier rig, under a bridge over the River Medway.

Floating Bridge Lift – Penwhapple

Beaver Bridges asked us to assist with the replacement of a footbridge at Penwhapple Reservoir in Scotland, and to install a temporary pontoon walkway for access.

Scaff Barge – Guildford

We mobilised 8m x 4m pontoon with over 3.5t payload capacity to carry materials and give access to a remote bridge on the River Tillingbourne.

50m pipe pontoon – River Thames

Working for GPS MACS we mobilised 50m of pontoon with a central gutter to hold a 200mm concrete pipe running from the shore to a jack-up barge.

Barking Power Station Decommissioning

GPS MACS requested floating access to assist with the decommissioning of the outfall pipe structure at Barking Power Station.

Windsor Pipe Bridge Demolition

Pennys Group required a safe and stable work platform in Bath to cut up the Windsor pipe bridge structure from the underside and then be remove it completely.  

HMNB Devonport – Thanckes Oil Fuel Jetty

Volker Stevin were asked to build a new fuel jetty in Plymouth, and demolish the old one. This brought unique floating access requirements and challenges.

Denton Wharf

A 16 x 6.4m ScaffFloat carrying a full diving spread was mobilised for a diving project, providing cathodic protection for the Port of London Authority.

Bridge Repairs – River Lee

We mobbed an 8x4m self-propelled ScaffFloat pontoon with 60hp high thrust outboard engine, loaded 2t of scaffolding on the pontoon.

Blackwall Yard River Wall Repair

GPS MACS approached us to provide a pontoon with a monkey tower for some river wall repairs on the River Thames in London.

Eel Screen Lifting – River Severn

The contracting water authority needed to fit a new eel screen solution at their water treatment plant on the upper River Severn.

Dredging Pontoon

Lutra Marine Limited requested a pontoon suitable for a 9t WM long reach excavator for dredging on the canal in Bude with their innovative new cutter head.

Falmouth Boat Yard – Boat Hoist

Falmouth Boat yard boat hoist was taken out of service at one of their busiest times of year but another local yard offered them the use of their hoist.

Self Propelled Moon pool

The client requested a self-propelled ScaffFloat for a special project in the UK so we provided a 14m x 6.4m pontoon with moon pool and 5t gantry

Hamms Hall Bridge Demolition

AR Demolition requested a suitable and safe pontoon for heavy equipment to operate on over water to help with the demolition of a bridge over the River Tame.

Attridge Scaffolding – Chetwynd 5

We worked with Attridge Scaffolding for the fifth time on Chetwynd Bridge and this time we also provided our own rescue cover at the start and end of the job.

Tree Removal – Bath

Edwards Diving contacted us about building a crane pontoon in Bath to act as a base for a team of divers and assist with the removal of trees from the water.

Diving pontoon

Northern Divers approached us to assist with UXO works in Great Yarmouth so we supplied a self-propelled 16 x 6.4m pontoon with skipper.

Half Penny Bridge

For the replacement of the rail on top of the bridge and to add a walkway, Attridge scaffolding needed our assistance to catch any falling debris.

Bedford Lock

We mobilised a 6.0 x 2.9m pontoon which was designed specifically to fit just inside the lock for repair works on the Great Ouse river.

Torpoint Electrical Works

Volker Stevin was contacted to arrange access to change a defective light under the jetty head in Torpoint. We mobilised a pontoon with inset handrails and foam sides.

Northern Scotland – Bridge Inspection

i-Scaff Access solutions required a safe and stable platform for a team of workers to carry out a bridge inspection in the north of Scotland.

Loddon Crossing

Attridge Scaffolding required access to a pipe situated underneath a utility bridge which needed cladding removed from it.

Access – Cutters Bridge, Ely

Attridge Scaffolding, working in partnership with Balfour Beatty, needed to gain access to a bridge and remain manoeuvrable in a navigable and busy water course.

Felixstowe Dolphins

KML were contracted to remove an old dolphin, so we were asked to provide pontoon to fit in around the tight pile pattern and give 360° acces to the pile.

Thrapston Bridge

Goldhawk needed non-permanent, water-level access to carry out bridge strengthening works on Thrapston Bridge while the waterway could be kept open.

Chetwynd Bridge

The local authority needed to inspect a busy road bridge for excessive movement over the fast flowing and very shallow River Tame.

Utility Bridge Demolition

To remove a utility bridge across the river Tame, we assisted scaffolding contractor with erecting scaffolding to the underside of the bridge.

EA – Hilgay

We mobilised a 24m long ScaffFloat pontoon for a project in Hilgay involving the Environment Agency and SRT Scaffolding.

Neath Swing Bridge

An 8x4m ScaffFloat pontoon attached to the shore was provided for access to scaffold and carry out repairs on the Neath Swing Bridge in Wales.

UXO – Liverpool

We supported two UXO dive companies to survey and remove potential unexploded ordnance from Liverpool’s Bramley Moore Docks.

Millennium Stadium

This simple solution allowed the entire job, including removing all old cabling to shore and the fitting of new cabling to be completed considerably ahead of schedule.

Tamworth

An 8m x 4m ScaffFloat was mobilised to provide access to Tamworth Scaffolding Company to install scaffolding over a gas pipe that was running above a river.

TV/Film Floating Access – 6 x 4m pontoon

Focus Marine approached us about using ScaffFloat’s pontoons as a floating access solution for the tv/film industry on various projects that they are involved in. 

River Cam – Cambridge

Attridge Scaffolding were asked to build a crash deck under a bridge in Cambridge. This was needed for repair works by Balfour Betty for Network Rail.

DVD – UTAC Milbrook – Military Event

We mobilised a pontoon for a vehicle manufacturer who were exhibiting one of their vehicles at a defence tradeshow.

Railway bridge – Camden

The client needed to access the underside of a steel rail bridge, and the abutment wall. The bridge ran over a canal and a bank had built up on the abutment.

Canvey Island

A ScaffFloat was used to carry out a concrete survey under pier heads with a very tight pier pattern, wash from passing vessels and a rising and falling tide.

Hideaway Spaces

Mark Sorrill from Hideaway approached us to create the perfect base for a photoshoot in Cawsand bay, Plymouth to launch their NEW Burt

Sauna Pontoon

A local sauna manufacturer wanted to hire a pontoon to put a sauna on for a photo shoot so we provided an 8m x 4m Scaffloat that could be towed anywhere.

Brownhill lock

We designed a 16×3.7m ScaffFloat Barge to transport 15t of scaffolding to a remote lock site so a civil engineering firm could carry out maintenance works.

Little Ouse River

Attridge Scaffolding, one of our Approved ScaffFloat Partners, were asked to install a suspended scaffold under a remote rail bridge over the Little Ouse river.

Floating Canal Welfare

Martin Childs LTD has been using ScaffFloats since late 2021. While working on canals there is a need for a welfare unit where normally access would be a problem.

Dog in a Doublet Lock

We supplied an 8m x 4m pontoon for XL Scaffolding who required a pontoon specifically to fit inside the lock near the Dog in a Doublet restaurant, Peterborough.

Canal Gate Repair

This 8.0 x 3.7m pontoon is specifically designed to get through common lock gate widths and was used here to transport equipment from the locks to the marinas.

Concrete repairs – Perth

Elite Concrete Protection and Repairs in Perth, Western Australia, needed a very stable platform to carry out concrete repairs from under a pier.

ScaffFloat Drydock

Using the ScaffFloat system to develop a dry dock to lift vessels and other heavy items up from the seabed and/or out of the water.

Tree removal

A large oak tree had fallen into the river next to a busy ferry landing and was blocking navigation. The tree surgeon worked from an 8m x 4m ScaffFloat pontoon.

Beggars Bridge

Access was required underneath a railway bridge for a simple and brief job to touch up some of the exposed steelwork with fresh paint.

UXO – Stolthaven Terminal

Conducting UXO investigations prior to works on the Stolthaven Marine terminal; this pontoon is the third diving pontoon provided to Dagger Diving during 2021.

Crossways & Network Rail

Network Rail needed to effect repairs to a mainline bridge over the River so we provided an 8m x 4m Scafffloat with a 50Hp engine and 3 tonne payload.

Oil Spill

An oil tanker went over a cliff onto a beach and as the oil clean up was on an exposed beach, the client needed a pontoon to float in plant and equipment.

Floating Christmas Tree

For the holiday season in Falmouth, Cornwall, we built and deployed a ScaffFloat pontoon in the middle of the river to display a lit up Christmas tree.

Floating Sea Shanties

We provided a ScaffFloat pontoon to the Oggymen, a local sea shanty group who sang from various locations around the Falmouth waterfront during the G7.

COP 26 Demonstration

This bespoke pontoon was designed specifically to float ‘slightly under the water’ for the COP26 protesters, to have an ankle-deep stage to demonstrate upon.

G7 Demonstration

This pontoon was designed to transport the two bespoke inflatable ‘blimp’ style demonstrations during the G7 talks held in Cornwall. 

Aquaculture pontoon

We provided an 8m x 4m ScaffFloat platform to fit and store shellfish cages that would be easily retreivable, for an aquaculture company.

Bridge inspection

A small, 6m x 3m pontoon with a platform for a bridge inspection. Video Play Gallery