{"id":518,"date":"2011-07-02T20:48:07","date_gmt":"2011-07-02T12:48:07","guid":{"rendered":"http:\/\/alfanso10.esy.es\/?p=518"},"modified":"2017-05-25T20:15:45","modified_gmt":"2017-05-25T12:15:45","slug":"sko-pipeline-replacement","status":"publish","type":"post","link":"http:\/\/alfanso10.com\/?p=518","title":{"rendered":"SKO Pipeline Replacement"},"content":{"rendered":" <\/p>\n
COMPANY: Target Energy Cooperation (TECO)<\/strong><\/span><\/p>\nPROJECT TITLE: SKO Pipeline Replacement\u00a0<\/strong><\/span><\/p>\nCLIENT:\u00a0PETRONAS SKO<\/strong><\/span><\/p>\nLOCATION: Malaysia<\/strong><\/span><\/p>\nYEAR: 2011<\/strong><\/span><\/p>\nVESSEL: Derrick Lay Barge (DLB) Mas Mulia<\/strong><\/span><\/p>\nSCOPE OF WORK:\u00a0<\/strong><\/span><\/p>\nMY INVOLVEMENT:<\/strong><\/span><\/p>\nInstall BAP-AA 12″ Riser (Stalk-on Method)<\/span><\/p>\n\n- Reposition and Set-up at BAP-AA location<\/span><\/li>\n
- Connect Davits, Lift Pipeline to surface, Sidewalk & Lower down P\/L<\/span><\/li>\n
- Diver Metrology (Riser)<\/span><\/li>\n
- Cleaning & Install 4 Nos of Riser Clamps<\/span><\/li>\n
- Fabricate riser (meanwhile)<\/span><\/li>\n
- Lift Pipeline to Surface, Secure and Erect Scaffolding<\/span><\/li>\n
- Stalk-on Riser<\/span><\/li>\n
- Weld\/NDT\/Wrap<\/span><\/li>\n
- Remove Scaffolding @ BAP-AA<\/span><\/li>\n
- Lowerdown Riser to Position<\/span><\/li>\n
- Close 4 nos. of clamps by Bolt Tensioning (at 4hours\/clamp)<\/span><\/li>\n
- Flood Riser & Pipeline (meanwhile)<\/span><\/li>\n
- Reinstate Riser Guard<\/span><\/li>\n
- Final survey and derig<\/span><\/li>\n
- Pick-up anchors (deck anchor)<\/span><\/li>\n
- Sail to BADP-G<\/span><\/li>\n<\/ul>\n
Install BADP-G 12″ Riser<\/span><\/p>\n\n- Reposition and Set-up at BADP-G location<\/span><\/li>\n
- Remove Riser Guard<\/span><\/li>\n
- Diver Metrology<\/span><\/li>\n
- Cleaning & Install 2 nos of Riser Clamps<\/span><\/li>\n
- Fabricate Riser (meanwhile)<\/span><\/li>\n
- Preinstalled Riser<\/span><\/li>\n
- Remove Scaffolding @ BADP-G<\/span><\/li>\n
- Diver Metrology (Subsea Spool)<\/span><\/li>\n
- Fabricate Subsea Spool (meanwhile)\u00a0Close 2 nos. of clamps by Bolt Tensioning (at 4hours\/clamp)<\/span><\/li>\n
- Reinstate Riser Guard 8 hrs 21 Sep ’11 22 Sep ’11<\/span><\/li>\n
- Final survey and derig 9 hrs 21 Sep ’11 22 Sep ’11<\/span><\/li>\n
- Pick-up anchors (deck anchor)<\/span><\/li>\n<\/ul>\n
Subsea Spool (Flange Tie-in) – BADP-G<\/span><\/p>\n\n- Reposition and Set-up at BADP-G location<\/span><\/li>\n
- Spool tie-in & Install flange Protector<\/span><\/li>\n
- Final survey and derig<\/span><\/li>\n
- Pick-up anchors (deck anchor)<\/span><\/li>\n
- Sail to BNP-A location<\/span><\/li>\n<\/ul>\n
Lay PL369 12″dia. BAP-B – BNP-A – 15.1km<\/span><\/p>\n\n- Lay PL369 12″dia. BAP-B – BNP-A Pipeline (15.1km)<\/span><\/li>\n
- Lay PL BAP-B towards I\/P Location<\/span><\/li>\n
- Reposition & Set-up at BAP-B<\/span><\/li>\n
- Bow string start-up<\/span><\/li>\n
- Commence lay pipe towards CP 2 [bend location up to KP13.6 – 1.5km<\/span><\/li>\n
- Continue pipeline installation towards TP 1 [KP2.6 – 11.0km]<\/span><\/li>\n
- Continue pipeline installation towards spool location(SP) [bend location up to KP0.0 – 2.6km (80 jts\/day)]<\/span><\/li>\n
- Laydown at location<\/span><\/li>\n
- Remove ILC , X-ray Crawler, Buckle Detector<\/span><\/li>\n
- Install Laydown Head<\/span><\/li>\n
- Connect A & R Winch<\/span><\/li>\n
- Laydown head on bottom<\/span><\/li>\n
- De-rig A & R Cable, etc<\/span><\/li>\n
- Remove stinger<\/span><\/li>\n
- Pick-up anchors (deck anchor)<\/span><\/li>\n
- Sail to BAP-B location<\/span><\/li>\n<\/ul>\n
12″ X 1.23KM BAP-AA TO BADP-G RISER INSTALLATION<\/strong><\/span><\/h3>\nINTRODUCTION<\/strong><\/span><\/p>\n1.1 \u00a0GENERAL<\/strong><\/span><\/p>\nThis procedure is produced to\u00a0 serve as a reference and guideline for the execution of the project that SUBCONTRACTOR undertake under the TRANSPORTATION AND INSTALLATION OF OFFSHORE FACILITIES FOR SKO PIPELINE REPLACEMENT PROJECT, CONTRACT<\/span><\/p>\nNo.CH0\/2009\/DFIN\/743, CONTRACT No.TLO\/SK0\/2010\/055. This contract involves three parties, PETRONAS CARIGALI (COMPANY), TL Offshore (CONTRACTOR), and Target Energy Company (SUBCONTRACTOR).<\/span><\/p>\nThis procedure details out the installation of 12″ diameter riser pipeline (PL365) from BAP\u00ad-AA to BADP-G platform.<\/span><\/p>\nTarget Energy Company has strict regulation in Health, Safety and Environment Management and committed to continuous safety improvement in the work place. The barge will be working under a permit to work (PTW) system to ensure the activities performed in a safe, effective and efficient manner in terms of safety. All barge crew will have mandatory training as stipulated by COMPANY.
\n<\/span>
\n Site conditions may warrant changes to offshore installation procedures and planning for the work to\u00a0 be taken in a safe expedient manner. In such event, CONTRACTOR ‘s Superintendent\/Field Engineer shall consult with COMPANY Site Representative (CSR), the marine warranty surveyor (if available) and with its onshore management. Following agreement between all parties, this procedure may be revised to suit the prevailing installation conditions.<\/span><\/p>\nSCOPE OF WORK<\/strong><\/span><\/p>\nThe following riser installation scope of work shall be carried out by Diving\/ Lay Barge Mas\u00a0Mulia as described under this particular document.<\/span><\/p>\nRISER STALK<\/strong>–<\/strong>ON<\/strong><\/span><\/p>\n\n\n\n| Scope<\/span><\/td>\n | Riser stalk-on KP<\/span><\/td>\n | Pipe OD (inch)<\/span><\/td>\n | Wall THK (mm)<\/span><\/td>\n | Corrosion \/THK\u00a0(mm)<\/span><\/td>\n | Concrete\u00a0THK\u00a0(mm )<\/span><\/td>\n | Location<\/span><\/td>\n<\/tr>\n\n| 1<\/span><\/td>\n | 1.31<\/span><\/td>\n | 12″<\/span><\/td>\n | 13.1<\/span><\/td>\n | 5.5<\/span><\/td>\n | 40<\/span><\/td>\n | BAP-AA<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n RISER INSTALLATION<\/strong><\/span><\/p>\n\n\n\n| Scope<\/span><\/td>\n | Riser KP<\/span><\/td>\n | Pipe OD (inch)<\/span><\/td>\n | Wall THK (mm)<\/span><\/td>\n | Corr.\/TH K<\/span><\/p>\n (mm)<\/span><\/td>\n | Con’c<\/span><\/p>\n TH K<\/span><\/p>\n(mm)<\/span><\/td>\n | Location<\/span><\/td>\n<\/tr>\n\n| 1<\/span><\/td>\n | 0.00<\/span><\/td>\n | 12″<\/span><\/td>\n | 13.1<\/span><\/td>\n | 5.5<\/span><\/td>\n | 40<\/span><\/td>\n | BADP-G<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n The procedure contains the installation procedures required for offshore installation of riser sta lk-on by Mas Mulia and the installation methodology shall contain the followings as minimum :<\/span><\/p>\n– Riser fabrication plan
\n– Riser lifting analysis
\n– Installation aids
\n-Barge mooring plan\/anchor pattern<\/span><\/p>\nThe following part of the works will be subcontracted. The detailed scope of work and procedures will be submitted separately:<\/span><\/p>\n-Pigging and Hydrotest Procedure
\n-Pre installation survey Procedure
\n-Post installation survey procedure
\n-Pipeline NDT procedure
\n-Field joint coating & foam infilling procedure<\/span><\/p>\nMARINE EQUIPMENT<\/strong><\/span><\/p>\nGENERAL<\/strong><\/span><\/p>\nThis section describes the Mas Mulia spread and support vessel to be utilized by CONTRACTOR for installation. Riser and spool pipe w ill be fabricated , loadout and transported from the fabrication \u00a0yard facility in Kuantan, Malaysia to the site.<\/span><\/p>\nBARGE SPREAD<\/strong><\/span><\/p>\nThe Mas Mulia is a starboard side pipelay barge with a derrick crane maximum capacity of\u00a0190MT. The principal dimensions of 98.6m Length x 30.5m Beam x 6m Depth.<\/span><\/p>\nThe pipelay equipment of Mas Mulia are consist of 4 welding station (manual fo r repair and\u00a0automatic welding), 1NDT station, corrosion coating and infill form.<\/span><\/p>\nAll diving supports and equipment are located to barge deck consist of diving control room,\u00a0diving chamber and including 4 of 25 tonne and 2 of 50 tonne lifting davits.<\/span><\/p>\nA 150MT crawler crane operate on the port side open deck for general purpose lift including\u00a0bringing pipe and materials onto the barge from vessel moored alongside.<\/span><\/p>\nThe table gives data for the key equipment. The following elevation and plan drawing illustrate the Mas Mulia.<\/span><\/p>\n\n\n\n| Feature<\/span><\/td>\n | Mas Mulia<\/span><\/td>\n<\/tr>\n\n| Barge Length<\/span><\/td>\n | 98.6m<\/span><\/td>\n<\/tr>\n\n| Barge Breadth<\/span><\/td>\n | 30.5m<\/span><\/td>\n<\/tr>\n\n| Accommodation<\/span><\/td>\n | 250 pax<\/span><\/td>\n<\/tr>\n\n| Anchors<\/span><\/td>\n | 8 x 7 tonnes Delta flipper<\/span><\/td>\n<\/tr>\n\n| Anchor cables<\/span><\/td>\n | 38mm x lOOOm<\/span><\/td>\n<\/tr>\n\n| Pipelay capacity<\/span><\/td>\n | 60-inches dia meter<\/span><\/td>\n<\/tr>\n\n| Tensioner +A\/R winch<\/span><\/td>\n | 120tonne<\/span><\/td>\n<\/tr>\n\n| Davits lifting<\/span><\/td>\n | 25 tonne (4 nos) I <\/em>50 tonne (2 nos)<\/span><\/td>\n<\/tr>\n\n| Main Cranes (fixed)<\/span><\/td>\n | 190 tonne<\/span><\/td>\n<\/tr>\n\n| Deck Crane (Crawler Crane)<\/span><\/td>\n | 150 tonne<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n BARGE LAYOUT<\/strong><\/span><\/p>\nThe Mas Mulia pipe ramp and location of diving equipment, we lding station, field joint application station, NDT station etc. is shown in drawing no.PL365\/0P\/008<\/span><\/p>\n | | | | | | | | | | | | | | |