Standard Specification for Oil Spill Response Boom Connection: Z-Connector

ABSTRACT
This specification covers design criteria requirements, design geometry, material characteristics, and desirable features for oil spill response boom connections. These criteria are intended to define minimum mating characteristics and are not intended to be restrictive to a specific configuration. Any material is acceptable for construction of the boom connector provided consideration is given to such factors as weight, mechanical strength, chemical resistance, flexibility, and conditions of the environment in which it is to be used. End connector and cross pin materials shall be corrosion resistant in sea water and such other environments as the intended service may require. If dissimilar metals are used, care shall be used in design to avoid galvanic corrosion. The minimum tensile strength of a boom-to-boom connection shall equal or exceed the minimum fabric tensile strength specified. When the connector is designed as an integral part of the boom, it shall ensure distribution or transfer of the tension member loads from one boom section to the next through or around the end connector in such a manner that the integrity of the joint is not broken. The connector shall be of the hook engagement design. The geometry of single hook engagement end connectors shall be compatible with the requirements specified. Desirable features of the connector design include the following: speed and ease of connection, light weight, connectable in the water, readily cleaned of sand and debris, inherently safe to personnel, and easy to install or replace.
SIGNIFICANCE AND USE
The general design geometry herein defined applies to both a separate adaptor accessory mating two booms of different geometry as well as boom end connectors (see Terminology F818).  
Interconnectibility is intended to facilitate mating of oil spill response booms of various sizes, strengths, design, and manufacture.  
The use of this general design geometry in no way guarantees the effective performance of the linked boom sections, since each boom's design and the environmental conditions at each incident govern overall performance.
SCOPE
1.1 This specification covers design criteria requirements, design geometry, material characteristics, and desirable features for oil spill response boom connections. These criteria are intended to define minimum mating characteristics and are not intended to be restrictive to a specific configuration.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

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ASTM F962-04(2010) - Standard Specification for Oil Spill Response Boom Connection: Z-Connector
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:F962 −04 (Reapproved 2010)
Standard Specification for
Oil Spill Response Boom Connection: Z-Connector
ThisstandardisissuedunderthefixeddesignationF962;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginal
adoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope member loads from one boom section to the next through or
around the end connector in such a manner that the integrity of
1.1 This specification covers design criteria requirements,
the joint is not broken.
design geometry, material characteristics, and desirable fea-
turesforoilspillresponseboomconnections.Thesecriteriaare
4.3 The connector or adapter shall not take more than 0.04
intended to define minimum mating characteristics and are not
in. permanent set when a 250-lb load, distributed over 3 in., is
intended to be restrictive to a specific configuration.
applied.The load shall be applied at the location that results in
maximumdeflectionandshallberesistedbysupportsplaced ⁄2
1.2 The values stated in inch-pound units are to be regarded
in. from each end as shown in Fig. 1.
as standard. The values given in parentheses are mathematical
conversions to SI units that are provided for information only
4.4 In addition to the dimensional requirements shown in
and are not considered standard.
Fig. 2, the self-locking cross-pin/lanyard assembly shall have
the following characteristics:
2. Referenced Documents
4.4.1 Itsassembledstrengthshallresistatensileloadof180
2.1 ASTM Standards:
lbs placed upon the closed toggle by the test fixture to which
F818Terminology Relating to Spill Response Barriers
the cross pin’s lanyard is attached without deformation as
F1523Guide for Selection of Booms in Accordance With
shown in Fig. 3.
Water Body Classifications
4.4.2 It shall have a ring or lanyard loop of a minimum
diameterof1- ⁄2in.fortheconvenienceofpullingthepinfrom
3. Material Characteristics
the boom connectors.
3.1 Endconnectorandcrosspinmaterialsshallbecorrosion
4.4.3 The toggle shall turn freely and shall latch in either
resistant in sea water and such other environments as the
direction.
intended service may require. If dissimilar metals are used,
4.4.4 The cross-pin’s spring shall be captured or locked to
care shall be used in design to avoid galvanic corrosion.
the assembly and shall exert a force on the toggle of between
3.2 Any material is acceptable for construction of the boom
16 and 22 lbs when connectors are assembled.
connector provided consideration is given to such factors as
4.4.5 When the cross-pin’s spring is compressed fully, there
weight, mechanical strength, chemical resistance, flexibility,
shallbeaclearanceof ⁄8in.betweentheshortendofthetoggle
and conditions of the environment in which it is to be used.
and the mated connector as shown in Fig. 2.
4. Design Requirements
4.4.6 The cross-pin’s overall length shall be minimized and
its ends rounded or chamfered so as to minimize wear and tear
4.1 The minimum tensile strength of a boom-to-boom
on adjacent stored booms or injury to boom handlers.
connection shall equal or exceed the minimum fabric tensile
strength specified in Table 1 of Guide F1523.
4.5 Pinholes, designed to accommodate the ⁄8 in. diameter
4.2 Whentheconnectorisdesignedasanintegralpartofthe self-locking pin, shall be incorporated at the design water line
boom, it shall ensure distribution or transfer of the tension (DWL) and, if required, a location as determined in 4.5.1 or
4.5.2 and shown in Fig. 4.
4.5.1 For any connector with 7.0 to 12.9 in. of connector
This specification is under the jurisdiction of ASTM Committee F20 on
Hazardous Substances and Oil Spill Response and is the direct responsibility of
material below the DWL pinhole, a second pinhole shall be
Subcommittee F20.11 on Control.
located 6.000 6 0.0015 in. below the DWL pinhole as shown
Current edition approved April 1, 2010. Published April 2010. Originally
in Fig. 4(a).
approved in 1986. Last previous edition approved in 2004 as F962–04. DOI:
10.1520/F0962-04R10.
4.5.2 For any connector with 13.0 in. or more of connector
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
materialbelowtheDWLpinhole,asecondcross-pinholeshall
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
be located 12.000 6 0.0015 in. below the DWL pinhole as
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. shown in Fig. 4(b).
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
F962−04 (2010)
NOTE 1—All items shown are generic and not intended to depict any manufacturer’s specific product.
FIG. 1Connector/Adapter
FIG. 2Self Locking Cross Pin / Lanyard Assembly
4.6 Whereonehalfofaconnectorsetmateswithonehaving 4.6.3 Be sexless (neither male/female).
the
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