ProposalforBasicDesignPackageforDeepwaterPipeLayCraneVessel

1、8758 engineering proposalproposal for basic design package for deepwater pipe lay crane vessel12 july 2005current and future market situation focuses on water depth (2,000m) operational conditions distance and lay-speed wide range of pipe diameters (up to 60”) autonomy and pipe storage requirements

2、dp2 compliant system as a minimum, dp3 in futureflexibilitythe (future) pipe lay marketdpv7500 - principal dimensions and performanceprincipal dimensions and performancelength pp185.0 minstalled power8x5,120 kwlength oa204.2 mdp thrusters2x5,000 kw, azibreadth m39.2 m (dp3 compliant)4x4,500 kw, azid

3、epth m14.0 m2x3,000 kw, tunneldraft pipe laying7.0-8.0 mtransit speed12 knotsdraft lifting8.0-9.0 mwater depthup to 2,500 maccommodation330 pobpipe lay systems-lay doublecrane capacity up topipe diameter4-60fixed4,000 mttensioners2x275 mtslewing3,000 mta&r winch675 mtfiring line5 double joint we

4、lding stationspayload20,000 mt1 ndt& repair and 2 coating stationspipe storage9,000 mt2 double joint preparation factoriesdpv7500 general arrangementcooec main requirements water depth1,500 m pipe diameter4”- 60” (including coating) pipe lay speed60” 3km/day in single joint configuration, provis

5、ions for double jointing pipe lay spread7 single joint welding station, 1 ndt and repair, 2 coating station tension3 sets stingerfixed pipe storage1,300 m2 easy conversion to r-lay and j-lay transit speed12 knots accommodation 300 pob dp systemdp2-compliant crane capacity2,000 mt in fixed modedpv500

6、0 general arrangementdpv5000 principal dimensions and performanceprincipal dimensions and performancelength pp172.6 minstalled power6x5,200 kwlength oa189.3 mdp thrusters2x4,500 kw, azibreadth m36.0 m4x3,500 kw, azidepth m13.0 m2x1,500 kw, tunneldraft design7.0-10.0 mtransit speed12 knotswater depth

7、up to 1,500 maccommodation300 pobpipe lay systems-lay doublepipe diameter4-60crane capacity up totensioners3x125 mtfixed2,000 mta&r winch425 mtslewing1,600 mtfiring line7 single joint welding stations(3 to 4 double joint welding stations)payloadappr 15,000 mt 1 ndt& repair and 2 coating stat

8、ionspipe storageappr 5,000 mt1 or 2 double joint preparation factoriesdpv7500 - dpv5000 performance comparisondpv7500 dpv5000 water depth2,500 m1,500 m pipe lay speed5 dj welding stations3 (4) dj welding stations (or 7 single) 9,000 mt pipe storage5,000 mt pipe storage tension capacity 2x275mt = 550

9、mt3x125mt = 375mt a&r winch675mt425mt accommodation 330 pob300 pob dp systemdp3 compliantdp2 compliant propulsion/dp32.0 mw26.0 mw installed power41.0 mw31.2 mw max crane load4,000 mt fixed2,000 mt fixed3,000 mt slewing1,600 mt slewingdpv7500 - dpv5000 project schedule1. delivery of existing app

10、roved basic design package dpv7500 4 weeks document renumbering to cooec project requirements conversion to word, autocad and excel format submittal to ccs2. delivery of customized concept and basic design package (dpv5000) 22 weeks concept design 4 weeks cooec concept approval 1 week delivery of sh

11、ipyard tender package 12 weeks after concept approval finalizing complete basic design package 5 weeks after shipyard tender packagerecommendation to cooec deepwater pipe lay projectadvantages of the dpv 7500 traject: large capacity and most flexible pipe-lay vessel, suitable for almost all kind of pipe-lay projects worldwide existing class a