Stability-comparison of Various Codes Etc Rev 0

Sheet1No.SOURCEINTACTDAMAGEDEXTENT OF DAMAGECRITERIA TO BE METLIFE SAVING APPLIANCESREMARKSArea to 30Area to 40Max GZ atMin angleMin GMHLER damagedVWindMax HeelMin GMMin GZMin range1Boats for 100%P on each sideOSV Code. Adopted 19.11.81. Applicable to vessels between 24m and 100m in Length. Vessels over 100m--stability to the satisfaction of the Administration.0.0550.090.20m25/300.15m760Anywhere between WT Bhds.YesUnderside of cargo deck for full depthN/A15/17100mm20degs after equilib pointLiferafts for 100% P on each sideOSV Alternative criteria0.07 to 15degs if Max GZ at 15 / 0.055 to 30 if Max GZ at 30If less than 85m-Liferafts for 100% P on each side(No mention of restricting the Alt Criteria to less than 100m.0.20m15/300.15m(provided can transfer from side to side-if not 150% each side)SOLAS 2008 IS Code0.0550.090.20m25/300.15m(for OSVs)Alternative for OSVs of not more than 100m ONLY0.07 to 15degs if Max GZ at 15 / 0.055 to 30 if Max GZ at 302MODU Code.Adopted 1989 and amended 1991 and 1994After construction of righting moment / angle of heel curves, ratio of areas under same, as defined, to be 1.4 or 1.3. Righting moment curve to be positive over entire range from upright to second intercept. Administration may consider alternative criteria if equivalent level of safety.1500Between WT Bhds. but not less than 3m apartYesBase upwards without limit50knots from any directionFinal WL below any downflooding openingsBoats for 100%P on each sideSOLAS 2008 IS CodeAreas under righting moment curve defined in relation to wind heeling moment.Liferafts for 100% P --not necessary on each side(for MODUs)Normal service Wind--70knots ; severe storm 100knots(provided can transfer from side to side-if not 100% each side)One Rescue Boat3SPS Code (old). Adopted on 17.11.83.More than 50P---Boats for 50% P on each side.Intact-Applicable to less than 100m length. (Intact-above 100m--states "to the satisfaction of the Administration")0.0550.090.20m25/300.15mMore than 50P---Liferafts for 25%P (not required each side)Applicable to less than 100m of similar design to OSVs0.07 to 15degs or 0.055 to 30degs0.20m150.15mUp to 50 P----Boats for 100%P on each sideup to 50 special personnel0.07 to 15degs or 0.055 to 30degs0.20m150.15mB/5Anywhere between WT Bhds.NoFrom mlded. Line at centre upwards without limitN/A7degs0.05m100mm20degs after equilib pointUp to 50 P----Liferafts for 100% P on each side50 to 200 spec personnel0.07 to 15degs or 0.055 to 30degs0.20m150.15mB/5Anywhere between WT Bhds.YesFrom mlded. Line at centre upwards without limitN/A7degs0.05m100mm20degs after equilib pointIf less than 85m-Liferafts for 100% P on each side50 to 200 spec personnel but 100m or over0.0550.090.20m25/300.15mB/5Anywhere between WT Bhds.Damage to Collision Bhd.YesFrom mlded. Line at centre upwards without limitN/A7degs0.05m100mm20degs after equilib point(provided can transfer from side to side-if not 150% each side)over 200 spec personnelTo the satisfaction of the AdministrationEXISTING SOLAS--Passenger Ship Requirements (Criterion of Service Numeral--Factor of Subdivision--Floodable Length--Permissible Length)B/53m+3%of Length7degs / 12 degs0.05m2009 SOLAS---Passenger Ship Requirements --Probabalistic method36P-H=0.05B-L=0.015L (1 Compt.) ; 400P-H=0.1B-L=0.03L (2 compt.) [BLN not clear re. Criteria?]4SPS Code (new)2009 SOLAS---Passenger Ship Requirements --Probabalistic method (Reg. 7)More than 60P---Boats for 50% P on each side.2008Per SOLAS 2009--36P-H=0.05B---L=0.015L (1 Compt.) ; 400P or more---H=0.1B-L=0.03L (2 compt.)More than 60P---Liferafts for 25%P (not required each side)SOLAS 2008 IS Code0.0550.090.20m25/300.15mPer SPS Code---up to 60P---R=0.8R ; 240P or more--R=R ; 61P to 239P--interpolationAltern. For more than 60P----Liferafts for 100% each side (provided can transfer from side to side-if not-- 150% each side)(for SPSs)Also must comply with 2009 SOLAS--Passenger Ship Requirements--"Deterministic" method (Reg.8)--which specifies variation in damage extent dependant upon number of persons carried (assumed means "on board")Altern. For more than 60P----two rescue boatsAlternative for SPSs of not more than 100m ONLYMay be used if SPS is of similar design and characteristics to OSVsNot entirely clear on how to judge compliance as there are both Probabalistic and Deterministic type criteria to be satisfied. However for the Probabalistic Method--the max intermediate heel angle is 15 degs and the final angle 7degs. For the Deterministic type calculation, the "survival index" Si, must be not less that 0.9 for all three loading conditions.Up to 60 P----Boats for 100%P on each sideUp to 60 P----Liferafts for 100% P on each sideIf less than 85m-Liferafts for 100% P on each side(provided can transfer from side to side-if not- 150% each side)5SOLAS Cargo Ship0.0550.090.20m25/300.15m2009 SOLAS---Cargo Ship Requirements --Probabalistic methodBoats for 100%P on each sideApplies on or after 1st Jan. 2009Applies to Cargo Ships of 80m and above. What about less than 80m?Liferafts for 100% P on each side-to all cargo ships 80m orAlso to comply with Severe Wind and Rolling CriterionRequires compliance with "only" the Probabalistic method (unlike Pass Ships)--max intermediate heel angle 30 degs and the final angle 25 degs.If less than 85m-Liferafts for 100% P on each sideStill contains footnote exempting shipsmore in Length(provided can transfer from side to side-if not- 150% each side)which comply with MODU / OSV / SPS etc(??less than 80m??)(No mention of numbers of persons of course)Codes6SOLAS Passenger Ship0.0550.090.20m25/300.15m2009 SOLAS---Passenger Ship Requirements --Probabalistic method--applies irrespective of LengthBoats for 50% P on each side-but minumum of 37.5% on each side plus additional liferaftsApplies on or after 1st Jan. 200936P-H=0.05B-L=0.015L (1 Compt.) ; 400P or more---H=0.1B-L=0.03L (2 compt.)Liferafts for 25%P (not required each side)-to all Passenger ShipsAlso to comply with Severe Wind and Rolling CriterionBetween 36 and 400--by interpolation of longit extent and penetration damage.regardless of Length.Not entirely clear on how to judge compliance as there are both Probabalistic and Deterministic type criteria to be satisfied. However for the Probabalistic Method--the max intermediate heel angle is 15 degs and the final angle 7degs. For the Deterministic type calculation, the "survival index" Si, must be not less that 0.9 for all three loading conditions.Still contains footnote exempting shipswhich comply with MODU / OSV / SPS etcCodes7SOLAS 2008 IS Code0.0550.090.20m25/300.15m"Mandatory" compliance criteriaCode to be effective 1st July 2010Also to comply with Severe Wind and Rolling Criterion

&C&"Arial,Bold"&12STABILITY--COMPARISON OF VARIOUS REGULATIONS / CODES&L&8Latest printout date :&D&R&8&F

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