22:
117:
commonly referred to as a
Butterworth cover. Butterworth hatches are not the main access hatches, but are the servicing hatches, and are generally closed with a metal cover plate with a gasket that is fastened to the deck by a number of bolts which stick up from the deck. Holes on the edges of the plate fit over these bolts and the cover is fastened down with nuts or dogs.
116:
and other marine vessels used for transporting fluid products, there are small service openings though the deck into each tank to allow access for miscellaneous reasons such as sampling, inspection, gauging and cleaning. When the service opening is not in use, it is sealed by a removable cover plate,
46:
120:
Vapor accidents can occur when pressure builds up in the tank below and the
Butterworth cover is carelessly removed. Butterworth hatches have been responsible for a number of marine losses. In the
71:
78:
279:
200:
167:
36:
228:
Wang, Y. F.; et al. (2011). "Investigations of Human and
Organizational Factors in hazardous vapor accidents".
327:
322:
264:
192:
184:
8:
185:
51:
245:
196:
163:
141:
296:
237:
32:
303:
241:
216:
316:
121:
297:"Cargo tank hatches, ullage holes, and Butterworth plates, 46 CFR §35.30-10"
70:
249:
106:
124:, regulations prescribe requirements for Butterworth hatches and covers.
102:
113:
109:
that is used to seal a small opening that admits to the space below.
77:
41:
162:. Xlibris for Southern Marine Technical Services, LLC. p. 79.
98:
21:
215:
Jones Jr., John P "Cover plate having adjustable latch means"
304:"Trunks, domes, and openings of cargo tanks, 46 CFR 153.256"
191:. Burlington, Massachusetts: Butterworth-Heinemann. p.
314:
262:
182:
157:
217:http://www.freepatentsonline.com/4059202.html
227:
272:Proceedings of the Merchant Marine Council
160:Southern Marine Engineering Desk Reference
139:
76:
69:
315:
81:Cleaning nozzle in Butterworth hatch
15:
13:
285:from the original on 14 July 2014.
14:
339:
20:
289:
256:
230:Journal of Hazardous Materials
221:
209:
176:
151:
133:
1:
242:10.1016/j.jhazmat.2011.04.040
127:
142:"Ship Terms and Definitions"
7:
10:
344:
263:Wikborg, Thorolf (1962).
183:Eyres, David J. (2006).
158:Ekenes, Rolf N. (2009).
35:, as no other articles
82:
74:
80:
73:
328:Naval architecture
323:Marine engineering
83:
75:
54:for suggestions.
44:to this page from
265:"Fire Down Below"
202:978-0-08-046823-5
187:Ship Construction
169:978-1-4415-2022-7
95:Butterworth plate
91:Butterworth hatch
87:Butterworth cover
68:
67:
335:
308:
307:
300:
293:
287:
286:
284:
269:
260:
254:
253:
225:
219:
213:
207:
206:
190:
180:
174:
173:
155:
149:
148:
146:
137:
63:
60:
49:
47:related articles
24:
16:
343:
342:
338:
337:
336:
334:
333:
332:
313:
312:
311:
302:
295:
294:
290:
282:
278:(10): 155–158.
267:
261:
257:
226:
222:
214:
210:
203:
181:
177:
170:
156:
152:
144:
138:
134:
130:
64:
58:
55:
45:
42:introduce links
25:
12:
11:
5:
341:
331:
330:
325:
310:
309:
288:
255:
236:(1/3): 69–82.
220:
208:
201:
175:
168:
150:
131:
129:
126:
66:
65:
52:Find link tool
28:
26:
19:
9:
6:
4:
3:
2:
340:
329:
326:
324:
321:
320:
318:
305:
298:
292:
281:
277:
273:
266:
259:
251:
247:
243:
239:
235:
231:
224:
218:
212:
204:
198:
194:
189:
188:
179:
171:
165:
161:
154:
143:
140:Daley, C. G.
136:
132:
125:
123:
122:United States
118:
115:
110:
108:
104:
100:
96:
92:
88:
79:
72:
62:
53:
48:
43:
39:
38:
34:
29:This article
27:
23:
18:
17:
291:
275:
271:
258:
233:
229:
223:
211:
186:
178:
159:
153:
147:. p. 5.
135:
119:
111:
107:cargo vessel
94:
90:
86:
84:
59:October 2016
56:
30:
301:, see also
114:oil tankers
317:Categories
128:References
50:; try the
37:link to it
40:. Please
280:Archived
250:21571433
101:on the
97:) is a
248:
199:
166:
89:(also
33:orphan
31:is an
283:(PDF)
268:(PDF)
145:(PDF)
105:of a
99:hatch
246:PMID
197:ISBN
164:ISBN
103:deck
93:and
238:doi
234:191
193:258
112:In
319::
276:19
274:.
270:.
244:.
232:.
195:.
85:A
306:.
299:.
252:.
240::
205:.
172:.
61:)
57:(
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
