Middlesbrough,   Teesside,  Cleveland,  UK

Modified the crane jib sheave and hook layout on the offshore crane vessel ITM Mariner, the existing lifting sheaves being 6 meters apart the project was to be reduced to 2 meters improving the cranes handling in the wind.

I preparing the fabrication and installation drawings for approval by Lloyds being involved through the entire conversion and subsequent inclining tests .

Mariner Crane Jib & hook Installed 

I later returned to ITM to work within the project management team on the design of the ITM Flexiport, for installation at Port Stanley in the Falkland Islands following the war the previous year. 

I continued with the supervision of fabrication at Harland & Wolff in Belfast and load out onto a Heavy Lift vessel for delivery to the South Atlantic.

ITM Flexi-Port with the ITM Mariner  at Port Stanley

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Other Relevant Experience

Originally from a shipbuilding background, I have considerable and varied experience in Marine & Offshore Design, and possess a disciplined approach including the motivation to work without supervision or as a member of a project team dedicated to the ultimate goal.

I have been very fortunate to have been given the opportunity to gain in depth experience in a variety of other disciplines one of which has been Civil Structural detailing.

In 1983, ITM presented a concept to modify the crane jib & hook sheave arrangement on their crane barge MARINER, the present layout with the sheaves 5m apart handled badly on the wind and proposed to build a new hook yoke for a 2m wide fall.

Utilising the original sheaves, I prepared the fabrication and installation drawings of a replacement sheave block to be installed in the existing jib, along with a new hook yoke for approval by Lloyds.

Although the boom was rated at 400 t installed on the barge the maximum rating was 200 t and required the inclusion of a load cell modified boom and final load testing.

I have of course a vast knowledge of ship structures, but in 1987 having previously worked briefly in structural detailing offices, and at ITM Offshore where I prepared the drawings of the portal frame warehouses for erection on the barges of the Flexiport, intended for Port Stanley harbour in the Falkland Islands,. I was engaged by Clarence Erection Co. in Hartlepool to assist them with a detail draughting project.

When I arrived with a fellow detailer we were lead into an unused office buried in a thick coat of dust and presented with the Design Consultants package for the erection of a six storey Sodium Sulphate Process plant, from which to prepare the fabrication details for the workshops.

Once the office was clean, stationary and equipment purchased with the scope of work assessed, I ordered the steel and sub-contracted the design of the Moment Connections, and hired a Consulting Engineer to design the sheer connections, standardised by beam depth to give a minimum variation in cleat angles.

With the aid of two more detailers, we completed the columns and cross bracing, followed by the floor beams with infill structure and equipment foundations. After the delivery of our bolt order, 450 tonne of steel work was erected with only two paired diagonal floor beams failing to fit first time.

We continued wall & roof layouts for the cladding and flashing details for the process plant, before completing the grating panel layouts for fabrication, galvanising & installation, while liasing with the client, workshops and erection team on site.

This was an enjoyable project during which I gained valuable experience and confidence in personnel & project management, continuing on through negotiations on variations to the scope of work to the presentation of the final account.

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