92- Which work will require confined space entry certificate?If entry into Vessels, Tanks, Cellars, & Deep pit more than 1.5 meter 93- How long the period of the Authorization of Convened space certificate? All certificate period will be 28 days 94- Who and how many persons sign confined space certificate? 1). Applicant 2). Responsible Supervisor or Area Authority 3). PH 4). Authorization Gas Tester 95- What is the important gas in confined space The most important gas is Oxygen 96- What is Confined Space Entry Procedure? After reached the site 1) Conduct toolbox talk. 2) Conduct gas test and continuously monitoring and mentioned on gas testing sheets 3) Check the area with long stick for reptiles before entrance. 4) All members should have His monitor. 5) Use buddy system. 6) Record in and out time of each person 97- What are the precautions to betaken before entering the confined space? 1) Class A permit 2) Confined Space Entry certificate 3) Log sheet 4) Continues gas monitoring 5) Buddy System 98- If you are in greenfield and you have pit more than m, do you need confined space certificate Yes, we need it, because confined space certificate use everywhere and we need it also because checking the level of oxygen which the most important 99- How do you will do Gas Test if you have confined space?In confined space like tank, deep excavation then • I will st switch on gas tester check Oxygen level in normal air it is 20.8% that mean gas detector is working properly
18 • Then I will tie gas detector with rope and check at all levels of space bottom, middle and top) because toxic and flammable gases maybe present anywhere. Some gases are lighter some are heavier.