INTERPRETATIONS OF SECTION 7.8.6 AND PARAGRAPH 7.8.6.1 OF THE 1994 HSC CODE
Section7.8.6
Sizingofpumpinganddrainagearrangements
(1) Pumpinganddrainagearrangementsshouldbesuchastopreventtheaccumulationofwater onanyofsuchdecks.
(2) Inrespectofscuppersanddrainagepumps,thefollowingshouldbecompliedwith:
.1 whencalculatingtheamountofwaterthecapacityofboththewatersprayingsystem pumpsandrequirednumberoffirehosenozzlesshouldbetakenintoaccount;
.2 thedrainagesystemshouldhaveacapacityofnotlessthan125%ofthecapacity specifiedin.1;
.3 bilgewellsshouldbeofsufficientholdingcapacityandshouldbearrangedattheside shell of the ship at a distance from each other of not more than 40 m in each watertightcompartment.
Paragraph7.8.6.1
Sizingofscuppersanddrainagepumps
Forthesizingofscuppersanddrainagepumpsthecapacityofboththewatersprayingsystempumps and the water discharge from the required number of fire hose nozzles specified in 7.7.8.4 as applicable,shouldbetakenintoaccount.