STABILITY--COMPARISON OF VARIOUS REGULATIONS / CODES Latest printout date :07/19/2022 document.xls No. SOURCE INTACT DAMAGED EXTENT OF DAMAGE CRITERIA TO BE MET LIFE SAVING APPLIANCES REMARKS Area to 3Area to 4Max GZ atMin angleMin GM H L ER damaged V Wind Max Heel Min GM Min GZ Min range 1 Boats for 100%P on each side 0.055 0.09 0.20m 25/30 0.15m 760 Yes N/A 15/17 100mm Liferafts for 100% P on each side OSV Alternative criteria If less than 85m-Liferafts for 100% P on each side 0.20m 15/30 0.15m (provided can transfer from side to side-if not 150% each side) SOLAS 2008 IS Code 0.055 0.09 0.20m 25/30 0.15m (for OSVs) 2 1500 Yes Boats for 100%P on each side SOLAS 2008 IS Code Liferafts for 100% P --not necessary on each side (for MODUs) Normal service Wind--70knots ; severe storm 10 (provided can transfer from side to side-if not 100% each side) One Rescue Boat 3 More than 50P---Boats for 50% P on each side. 0.055 0.09 0.20m 25/30 0.15m More than 50P---Liferafts for 25%P (not required each side) 0.20m 15 0.15m Up to 50 P----Boats for 100%P on each side up to 50 special personn 0.20m 15 0.15m B/5 No N/A 7degs 0.05m 100mm Up to 50 P----Liferafts for 100% P on each side 50 to 200 spec personnel 0.20m 15 0.15m B/5 Yes N/A 7degs 0.05m 100mm If less than 85m-Liferafts for 100% P on each side 0.055 0.09 0.20m 25/30 0.15m B/5 Yes N/A 7degs 0.05m 100mm (provided can transfer from side to side-if not 150% each side) over 200 spec personnel To the satisfaction of the Administration EXISTING SOLAS--Passenger Ship Requirements (Criterion of Service Numeral--Factor of Subdivisi B/5 0.05m 2009 SOLAS---Passenger Ship Requirements --Probabalistic method 36P-H=0.05B-L=0.015L (1 Compt.) ; 400P-H=0.1B-L=0.03L (2 compt.) [BLN not clear re. Criteria?] 4 SPS Code (new) 2009 SOLAS---Passenger Ship Requirements --Probabalistic method (Reg. 7) More than 60P---Boats for 50% P on each side. 2008 More than 60P---Liferafts for 25%P (not required each side) SOLAS 2008 IS Code 0.055 0.09 0.20m 25/30 0.15m (for SPSs) Altern. For more than 60P----two rescue boats Up to 60 P----Boats for 100%P on each side Up to 60 P----Liferafts for 100% P on each side If less than 85m-Liferafts for 100% P on each side (provided can transfer from side to side-if not- 150% each side) 5 SOLAS Cargo Ship 0.055 0.09 0.20m 25/30 0.15m 2009 SOLAS---Cargo Ship Requirements --Probabalistic method Boats for 100%P on each side Liferafts for 100% P on each side -to all cargo ships 80m or Also to comply with Severe Wind and Rolling Cr If less than 85m-Liferafts for 100% P on each side Still contains footnote exempting ships more in Length (provided can transfer from side to side-if not- 150% which comply with MODU / OSV / SPS etc (??less than 80m??) (No mention of numbers of persons of course) Codes 6 SOLAS Passenger Ship 0.055 0.09 0.20m 25/30 0.15m 2009 SOLAS---Passenger Ship Requirements --Probabalistic method--applies irrespective 36P-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 Ships Also to comply with Severe Wind and Rolling Cr Between 36 and 400--by interpolation of longit extent and penetration damage. regardless of Length. Still contains footnote exempting ships which comply with MODU / OSV / SPS etc Codes 7 SOLAS 2008 IS Code 0.055 0.09 0.20m 25/30 0.15m Also to comply with Severe Wind and Rolling Criterion OSV Code. Adopted 19.11.81. Applicable to vessels between 24m and 100m in Length. Vessels over 100m--stability to the satisfaction of the Administration. Anywhere between WT Bhds. Underside of cargo deck for full depth 20degs after equilib point 0.07 to 15degs if Max GZ at 15 / 0.055 to 30 if Max GZ at 30 (No mention of restricting the Alt Criteria to less than Alternative for OSVs of not more than 100m ONLY 0.07 to 15degs if Max GZ at 15 / 0.055 to 30 if Max GZ at 30 MODU Code.Adopted 1989 and amended 1991 and 1994 After 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 Between WT Bhds. but not less than 3m apart Base upwards without limit 50knots from any directio n Final WL below any downfloo ding openings Areas under righting moment curve defined in relation to wind heeling moment. SPS Code (old). Adopted on 17.11.83. Intact-Applicable to less than 100m length. (Intact-above 100m-- states "to the satisfaction of the Administration") Applicable to less than 100m of similar design to OSVs 0.07 to 15degs or 0.055 to 0.07 to 15degs or 0.055 to Anywhere between WT Bhds. From mlded. Line at centre upwards without limit 20degs after equilib point 0.07 to 15degs or 0.055 to Anywhere between WT Bhds. From mlded. Line at centre upwards without limit 20degs after equilib point 50 to 200 spec personnel but 100m or over Anywhere between WT Bhds.Damage to Collision From mlded. Line at centre upwards without limit 20degs after equilib point 3m+3%of Length 7degs / 12 degs Per SOLAS 2009--36P-H=0.05B---L=0.015L (1 Compt.) ; 400P or more---H=0.1B-L=0.03L (2 compt.) Per SPS Code---up to 60P---R=0.8R ; 240P or more--R=R ; 61P to 239P--interpolation Altern. For more than 60P----Liferafts for 100% each side (provided can transfer from side to side- if not-- 150% each side) 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") Alternative for SPSs of not more than 100m ONLY May be used if SPS is of similar design and characteristics to OSVs 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. Applies on or after 1st Jan. 2009 Applies to Cargo Ships of 80m and above. What about less than 80m? Requires compliance with "only" the Probabalistic method (unlike Pass Ships)--max intermediate heel angle 30 degs and the final angle 25 degs. Boats for 50% P on each side-but minumum of 37.5% on each side plus additional liferafts Applies on or after 1st Jan. 2009 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. "Mandatory" compliance criteria Code to be effective 1st July 2010
References of comparison: SOLAS 2008 ,SPS Code (New and Old), OSC Code
Citation preview
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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