David Griffiths

Position:	Director
Location:	Wakefield
Date of Birth:	28th May 1960
Education:	Technician Certificate in Mechanical Engineering
Recent Training and CPD:	I.C.E. Conditions of Contract. 3 Day course at Contracts Advisory Service. Commercial Practice and Contracting. 5 Day course at Dunchurch College of Management. Export Financing of Capital Goods and Projects. 3 Day course at Dunchurch College of Management. CAD Training. In house CAD training at Kvaerner Boving on "Source 36" software and Hewlett Packard workstations. Quality Assurance. In house procedure training and auditing of systems to ISO 9001. Member of Internal Audit team. Health & Safety. CCNSG Safety Passport (Supervisor Status), with NLT Training Services, July 2006. Confined Space Entry (2 day course), with CSTS, June 2006. CE Marking-PUWER-LOLER awareness training by Laidler Associates, August 2006. Confined Space Awareness (1 day) at BLNG-Brunei site, December 2006. Fire Awareness in the Workplace, internal training, October 2007 Construction Site Managers Safety Certificate. Attended Site Management Safety Training Scheme (SMSTS) at National Construction College, Bircham Newton, December 2007. The Role of Co-ordinator in Construction (Design and Management) Regulations, 2 day training course with Construction Skills, March 2008 IOSH Managing Safely, 4 day course with NLT Training Services, April 2008 NEC3 - Engineering and Construction Contract - 2 day course run by ICE (Thomas Telford), February 2008
Career History:	Trained as a Mechanical Engineer via a full EITB apprenticeship with Newton Chambers Engineering Ltd. Attended Technical College one day a week studying for Mechanical Engineering Technicians Certificate. Took up a position as Project Engineer in Technical Sales Department, Water Control Division. Responsibilities included Conceptual Design, Estimating, Tender preparation and submission (technical & commercial), contract negotiation. Products include Gates for Flood Defence, River Control, Harbours, Marinas, Hydropower and Irrigation. Seconded to Outside Erection Department at Dinorwic Pumped Storage Power Station as Site Engineer. Assisted Site Manager with forward planning of site activities provided technical support and supervision during installation of Headworks, Tailworks and Reservoir Control Gates. Returned to Tender Design Department. Responsibilities now focused on Conceptual Design and Technical Proposals. Moved to Don Sharpe Engineering. General engineering company involved in Fabrication and Site Installation of Capital Equipment, predominantly for the Iron & Steel, Cement and Power Industries. Joined as Engineering Sales Manager, progressed to General Manager and Engineering Director, responsible for Technical & Commercial performance on all contracts, including "hands on" Site Management of critical path installation contracts. Recruited by Qualter, Hall & Co. Ltd., as Engineering Sales Manager (Mechanical Handling). Responsible for generating new business opportunities through existing and new clients/business sectors. Using previous experience, helped establish the company as a leading supplier of Maritime/Water Control Equipment including Ro-Ro Linkspans, Moving Bridges and Gates. Role expanded to include Mining and Hoisting Divisions. Joined Kenneth Grubb Associates in April 2006 to concentrate on Consulting Engineering work in the Maritime, Water Control and Moving Bridge sectors.
Relevant Project Experience - Kenneth Grubb Associates Ltd

River Hull Tidal Surge Barrier
Site Inspection and Survey of 30 m span Gate Leaf Structure, Main Rollers, Aux. and Lateral Guide Rollers, Integral Sluice Gates and Lift Chain Suspension points, using rope access support.

Portora Barrage - Enniskillen
Site inspection and survey of 4 Lift and Turn Barrage Gates. Preparation & submission of Site Installation Procedure for sequential replacement of all 4 gates.

Hull Marina Lock Gates
Site Inspection and Survey of 2 pairs of Sector Lock Gates, embedded sealing frames and Rope winch operating system. Input to work scope specification document.

River Hull Tidal Surge Barrier
Nominated as ECC Site Supervisor for removal and replacement of Gate Hoisting equipment, braking system and controls. Responsibilities include pre-tender programme issues, input to site methodology and contractor evaluation.

Flatford Mill Tilting Gate
Site Supervisor for removal, refurbishment and re-installation of hydraulically operated bascule type, tilting gate.

H.R Wallingford-Foster Wheeler-Brunei Liquid Natural Gas
Site inspection of 81 existing sluice gates on cooling water system, specification of replacement gates, replacement methodology, assistance with tender evaluation and supervision of site works in Brunei.

Aberthaw Power Station
Site inspection of Bulkhead gates, preparation & submission of condition report. Recommendations for replacement gates.

Relevant Project Experience - Qualter Hall & Co Ltd

Whitby Harbour Swing Bridge
Full Mechanical Site Survey and Proposal for Refurbishment of Double Leaf Swing Bridge.

Spondon Sluice, River Derwent
Full Structural & Mechanical survey of 5, existing, "Stoney" Roller sluice gates, and proposal for replacement with Cantilever Wheel gates. Including installation of stoplogs and dewatering of gate sluice ways on site.

Ffestiniog Hydro Power Station
Management of proposals and negotiation of contracts for; Design & Supply of new Forebay Bulkhead Gate, Refurbishment of Numerous other Forebay Bulkhead Gates, removal from site, refurbishment and reinstallation of 2 Intake Guard Gates.

Stena Holyhead - Berth 3 Ro-Ro Linkspan
Management of proposals and negotiation of contracts for replacement of main upper and lower deck hydraulic lifting cylinders, removal and reinstallation of cylinders on site (including craneage), refurbishment of 1 existing cylinder and provision of 3 new cylinders.

Altmouth Pumping Station - Sluice Gates
Worked with Client (E.A. North West Region) and Engineering Consultant (Halcrow) to identify scope of work and formulate contract to refurbish 4 existing, vertical lift, wheeled, sluice gates and associated lift screw operating mechanisms. Contract completed against critical path programme.

Relevant Project Experience - Don Sharpe Engineering

Shoreham Port - Marina Lock
Manufacture and installation of Stoplogs and guides for new marina lock. Work carried out as subcontractor to GEC Neyrpic (Lock gate and M&E main contractor).

Victoria Dock - Hull
Design, manufacture and installation of Stoplogs to suit existing civil grooves. The stoplogs were designed with a lateral locating device to centralise each subsequent stoplog unit on top of the one installed immediately below.

Teesside Slag - Ship loader
Prepare tender, negotiate and manage contract to replace Internal Shuttle Conveyor to telescopic, traversing, ship loader, including supervision of site installation.

Blue Circle, Dunbar - New Clinker Cooler
Prepare tender, negotiate and manage contract to replace complete Cement Clinker Cooler, including site management during works shutdown period. Work carried out as subcontractor to BMH - Claudius Peters.

Avesta Stainless Steel - Furnace Exhaust Duct
Replace arc furnace exhaust gas ducting from furnace to filter plant at 50m above ground level. Responsible for preparation of tender, negotiation of contract, project management and site supervision. Scope included design, fabrication, and removal of existing duct and installation of new duct including provision of cranage.

Relevant Project Experience - Newton Chambers Engineering and Kvaerner Boving

Burnham-on-Sea
Conceptual design, tender preparation and contract negotiation for side hinged vehicular access flood defence gate.

River Wreake - Control Structure
Conceptual design, tender preparation and contract negotiation for fishbelly flap gate and associated electro-hydraulic control system.

River Fane Control Structure - Dundalk, Ireland
Completed tender design and cost estimate for 2 fishbelly flap gates for incorporation into overall control structure proposal.

National Water Sports Centre - Holme Pierpoint, Nottingham
Proposed alternative gate design for overshot regulating gate on international standard canoe slalom course. The original tender specification suggested a fishbelly type gate but this posed inherent risks for the canoeists passing over the gate adjacent to the exposed operating cylinder. The successful proposal was for a bascule type gate, with all operating equipment in a sealed chamber outside the water course.
Also completed tender design for 1 piece wheeled stopgate, used to isolate the control gate and slalom course under full flow conditions.

Maentwrog Dam - Power Station Intake
Completed tender design for complete intake gate system comprising; Intake Control Wheel Gate with Hydraulic Cylinder operation. Bulkhead "Guard" Gate and Removable Trashracks with Automatic Lifting beam. Also Bottom Outlet Penstock Liner with flange mounting and access platform to suit Discharge Regulating Valve.

Gillingham Marina - New Lock
Completed tender design and prepared cost estimate for 1 pair of Outer Sector Lock gates, 1 pair of Inner Mitre Lock gates c/w integral sluice gates and 1 set of Stoplogs c/w sealing frames.

Ramsgate Inner Harbour - Entrance Gate
Completed conceptual design for new Bottom Hinged, Torsionally Rigid, harbour entrance gate to replace existing Mitre Caisson gates. New gate operated with 2 Hydraulic cylinders but designed to operate on either cylinder with the other removed, to give system redundancy. Seals designed to operate against civil faces across cill and up vertical sides of entrance. The new civil works and gate were installed without dewatering the dock.

Padstow Inner Harbour - Entrance Gate
Completed tender design, prepared cost estimate and tender submission for Bottom Hinged, Torsionally Rigid, harbour entrance gate c/w public access footbridge across top.

Victoria Dock, Hull - Half Tide Basin, Impounding Gate
Working with Engineering Consultant, Alan Wood & Partners, completed conceptual design for Dock Impounding gate, on behalf of site developer, Bellway Homes and Hull City Council. Prepared full cost estimate for gate and operating equipment and negotiated contract with Client.

Salford Quays - Manchester
Completed tender design and cost estimate for 2 pairs of Mitre Lock Gates and associated operating system. The gates incorporated conventional captive hinges and central locking bolt arrangements to withstand a limited off seating head.

Castle Mills Sluice - River Foss, York
Conducted full condition survey of existing vertical lift sluice gate and prepared submission of recommendations for improvement c/w indicative costs.

Dinorwic Power Station - Llanberis, North Wales
6 months secondment as Site Engineer, during power station construction.
Scope of supply included;
o    3 tailrace wheel gates c/w hydraulic operating system
o    2 sets of tailrace stoplogs
o    1 set of removable tailrace screens
o    3 bascule type level control structure gates c/w hydraulic operating system
o    1 set of level control structure stoplogs
o    1 Intake closure wheel gate c/w wire rope hoist operating system
o    1 Intake maintenance bulkhead gate c/w wire rope hoist operating system
o    1 set of fixed intake screens