Awarded
Replacement of Marine Turbochargers.
Descriptions
On 18th Feb 2013, MAN Diesel & Turbo Issued a safety warning Alert Service Bulletin to customers who have type NR or NA turbocharges installed. The warning advised that that gray cast iron material of the turbocharger casing was safety critical and that the older the part, the higher the probability of failure.Having established that the issue affects vessels with type NA34/TM736 turbochargers, certain prohibition actions were implemented where crew were restricted ingress to the Machinery Rooms whilst engines were in operation. Following a risk assessment, the following initial technical solutions were proposed to the engine manufacturer:1. Agree a reduced or de rated power level for the engines below which the turbo chargers will be safe to operate due to reduced rpm and centrifugal forces.2. Design and manufacture a containment shield to fit around the gas casings.3. Change out the gas casing for a new safer type.4. Deliver, replace, test and commission turbo chargers complete with a new safe type (NA34/S)The first three proposals were rejected as unsafe by the engine and turbocharger manufacturer and CalMac Ferries Ltd (CFL) has no reason to doubt the validity of the conclusions reached/this has been independently verified, leaving direct replacement as the only safe option.
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Tender Regions
CPV Codes
50241200 - Ferry repair services
31158300 - Turbocharger
Keywords
exhaust-driven turbo
turbo boost system
turbocharged engine compressor
turbine-driven charger
intercooler turbo
wastegate-equipped turbo
high-efficiency turbocharger
automotive turbo unit
diesel turbo system
performance turbo kit
ferry ramp maintenance
passenger deck refurbishing
loading gate alignment
onboard safety check
marine seating repair
ferry drive system service
emergency exit servicing
hull integrity test
propulsion upgrade
onboard equipment calibration
Tender Lot Details
2 Tender Lots
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Possible Competitors
1 Possible Competitors
