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Offshore Pad Eyes

This document provides design specifications for offshore pad eyes and summarizes: 1) Dimensions and ratings for shackle and pad eye combinations for sling angles of 45 and 30 degrees under DNV certification. 2) General design data for standard Tata pad eyes including codes, design temperature, number of slings, material, and load contingency. 3) Dimensions for shackles and pad eyes based on working load limits for configurations with 4 slings at 45 degrees and 2 slings at 45 degrees. 4) Notes that the pad eyes may be too thin for the applicable shackles but this is considered acceptable for non-repetitive hoisting.

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6K views8 pages

Offshore Pad Eyes

This document provides design specifications for offshore pad eyes and summarizes: 1) Dimensions and ratings for shackle and pad eye combinations for sling angles of 45 and 30 degrees under DNV certification. 2) General design data for standard Tata pad eyes including codes, design temperature, number of slings, material, and load contingency. 3) Dimensions for shackles and pad eyes based on working load limits for configurations with 4 slings at 45 degrees and 2 slings at 45 degrees. 4) Notes that the pad eyes may be too thin for the applicable shackles but this is considered acceptable for non-repetitive hoisting.

Uploaded by

Nhut
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as XLSX, PDF, TXT or read online on Scribd
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Offshore Pad Eyes

General design data


Codes : DNV Certification Notes 2.7-1: April 2006
EN 12079: June 2006

Design Temperature : -20 °C


Number of slings : 4
Top angle slings : 45° and 30°
Shackle type : Green-pin, polar
Material pad eyes: S355J2
Load contingency : 0.1

Shackle and pad eye dimensions


Choose shackle size and applicable pad eye dimensions based on rating and sling angle.

Rating[mtons]
Sling Sling
angle angle
45° 30° Shackle Dh H F E L
from to from to [mtons] [mm] [mm] [mm] [mm] [mm]
- 3.1 3.25 20 35 25 55 115
- 5.1 3.1 6.5 4.75 23 35 30 55 110
5.1 7.8 6.5 10.8 6.5 26 45 35 55 130
7.8 12.0 10.8 16.9 8.5 29 52 35 68 160
12.0 14.5 16.9 19.8 9.5 33 60 40 75 180
14.5 20.5 19.8 25.0 12 36 60 40 90 190
20.5 23.5 13.5 39 65 50 100 200
23.5 25.0 17 43 75 70 120 230

* Note: for Rating > 25000 kg apply DNV Cert.notes 2.7-3


Tp Tc Dch
[mm] [mm] [mm]
15 5 45
15 5 55
20 5 60
25 5 70
25 8 80
35 5 80
35 8 90
40 8 100
Standard Tata Pad Eyes

General design data


Codes : ATVH 2007
Top angle slings : 45° and 30°
Shackle type : Green-pin, polar
Material pad eyes S355J2
Load contingency : +10%

Shackle and pad eye dimensions


Choose shackle size and applicable pad eye dimensions based on number of slings and Working Load Limit (WLL)

WLL [mtons] Shackle Dh H F E

4-slings 2-slings
at 45° at 45°
from to from to [mtons] [mm] [mm] [mm] [mm]
- 1.4 - 0.7 0.5 9 15 10 25
1.4 2.1 0.7 1 0.75 11 20 10 30
2.1 2.8 1 1.4 1 12 25 10 35
2.8 4.2 1.4 2.1 1.5 14 25 10 35
4.2 5.6 2.1 2.8 2 17 30 15 45
5.6 9.1 2.8 4.5 3.25 20 35 15 50
9.1 13.4 4.5 6.7 4.75 23 40 20 55
13.4 18.3 6.7 9.1 6.5 26 45 20 60
18.3 24 9.1 12 8.5 29 52 20 68
24 26.8 12 13.4 9.5 33 60 20 75
26.8 33.9 13.4 16.9 12 36 60 30 80
33.9 38.1 16.9 19 13.5 39 65 30 85
38.1 48 19 24 17 43 75 30 95

Note: These pad eyes are generally too thin for the applicable shackles with regard to the filling grade,
but this is considered to be acceptable for non-repetitive hoisting.
Working Load Limit (WLL)

L Tp aweld

cat. 1
[mm] [mm] [mm]
50 8 4
65 8 4
80 10 4
80 12 4
100 15 4
110 20 4
125 25 5
130 30 6
160 30 6
180 30 6
190 40 8
200 40 8
230 45 8

he filling grade,

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