BS ISO 1751:2012 pdf download

BS ISO 1751:2012 pdf download.Ships and marine technology-Ships’ side scuttles.
5.3 Glass retaining frame
For fixing the glass pane, a glass retaining frame shall be pi’ovided
Threaded glass retaining frames for screwing in or flanged glass retaining frames with holes for screwing on with screws are acceptable.
5.3.1 Threaded glass retaining frame (RFA)
The main dimensions of a threaded glass retaining frame are given in Figure 2 and Table 6.
A Type RFA glass retaining frame shall not be used for non-opening, welded side scuttles (model NW).
5.3.2 Flanged glass retaining frame (RFB and RFC)
The main dimensions of a flanged glass retaining frame are given in Figures 3 and 4, and Table 6.
A Type RFB glass retaining frame may be used for all types and models of side scuttles.
Type RFC may only be used for side scuttles without deadlight.
5.3.3 Screws for flanged glass r.talnlng frames
To fasten glass retaining frames of Types RFB and RFC. slotted or cross recessed screws In accordance with ISO 1207, ISO 1580, ISO 2009, ISO 2010, ISO 7045, ISO 7046-2 or ISO 7047 shall be used, at the window manufacturer’s discretion. Such screws shall have the following characteristics:
— thread: M 6:
— length: minimum 16 mm:
— material: marine corrosion-resistant stainless steel A50, copperalloy and aluminium, strength corresponding to the maximum allowable pressure, see Annex A.
7.4 Fire-resistance test
Side scuttles for fire-resistant constructions (series P) shall have been subjected to prototype testing for fire-
resistance, see ISO 5797.
8 Marking
Side scuttles confomiing to this International Standard shall be marked according to 8.1 to 8.2.2.
8.1 Re9ular side scuttles (series N)
8.1.1 Marking of body
a) The main frame or some other metallic main component part shall be marked with the letter for the Type (A, B or C).
b) Further marking indications are opoonal, for example:
— nominal size;
— material class:
— manufacturer’s name or trade-mark;
— number of this International Standardil,
8.1.2 Marking of glass pan.
The glass pane shall be marked according to ISO 614,
8.2 Side scuttles for fire-resistant constructions (series P)
8.2.1 Marking of body
The indications given in 8.1.1 apply. In addition. fire.reststant side scuttles shall be marked on the inside of the glassholder with the following indications:
— fire-resistance class (e.g. B-O or B-15; see 5.4.2);
— number of the test report.
8.2.2 Marking of glass pan.
The fire-resistant glass pane shall be marked in accordance with ISO 5797.
9 Designation
For ordering and reference purposes. side scuttles conforming to this International Standard shall be designated Mi accordance with 9.1 to 9.2.2.
9.1 Elements for designation
The following basic elements and additional elements for lhe different series of side scuttles (depending on the type of side scuttle glass pane) shall be used, in the order given:
a) basic elements:
1) denomination (abbreviated): side scuttle;
2) number of This International Standard: ISO 1751;
3) series (code letter), as specified in 4.1;
4) type (code letter). as specified in 4.2:
5) nominal size, as specified In Table 2:
6) height of spigot, as specified in 5.2.2;
7) model (code), as specified in Table 1;
8) material class of side scuttle (code number), as specified in table 10:
b) additional elements for designation of regular side scuttles with safety glass panes (series N):
— finish of glass pane (code), as specified in 5.4.1;
c) additional elements for designation of side scuttles for fire-resistant constructions (series P):
— fire-resistance dass of side scuttle, as specified in 5.4.2.
9.2 Examples
9.2.1 Example for regular side scuttles (N)
A side scuttle in accordance with this International Standard of regular series (N). heavy type A, nominal size = 400 mm, height of spigot = 16 mm. right-hand opening bolted model (RB). material class 112, with glass
pane of plate glass and glass finish clear (VI) is designated as follows:
Side scuttle ISO 1751-N-A400 16-RB-112-Y1
92.2 Example for side scuttles for firei-esistant constructions (P)
A side scuttle in accordance with this International Standard of fire-resistance series (PJ. heavy type A. nominal size c/1 = 400 mm, height of spigot = 16 mm, right-hand opening bolted model (RB), material class 112. for fire-resistance class 8-15 Is designated as follows:
Side scuttle ISO 1751-P-MOO * 16-RB-112-B15
10 Positioning
Side scuttles shall be positioned in accordance with ISO 5780.
11 Installation
For instalLation the relevant national rules and regulations apply, if any.
The diameter of the pre-cut hole in the shell plate should be as given in Table 15.