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MIL-C-52477D(ME)
3.18.3 Welding.  The surfaces of parts to be welded shall be free from rust,
scale, paint, grease, and other foreign matter other than mill scale that can be
removed by chipping and wire brushing.  Welds shall transmit stress without
permanent deformation or failure when the parts connected by the welds are
subjected to proof and service loading.  Unless otherwise specified, the welding
process used in fabrication of the compressor shall be at the option of the
contractor.
3.18.3.1 Welders.  Before assigning any welder to manual welding work covered
by this specification, the contractor shall provide the contracting officer with
certification that the welder has passed qualification tests as prescribed by
either of the following listed codes for the type of weld operations to be
performed and that such qualification is effective as defined by the particular
code:
Welding Qualification of the ASME.
AWS, Structural Welding Code, Section 5, Qualification, D1-1.
Contractors who only make horizontal welds need not qualify welders for "all
position welding".  Subject to approval by the Government, contractor's standard
welder qualification may be substituted in lieu of the above codes provided that
the contractor's procedure is equivalent to the above codes.  The contractor
shall be responsible for determining that automatic welder equipment operators
are capable of producing quality welds.
3.18.4 Bolted connections.  Boltholes shall be accurately formed and shall
have the burrs removed.  Washers or lockwashers shall be provided where
necessary.  Matching thread areas securing bolts or capscrews shall be of
sufficient strength to withstand the tensile strength of the bolt.  All fasteners
shall be correctly torqued and shall have full thread engagement.
3.18.5 Riveted connections.  Rivets shall fill the holes completely.  The
upset rivet heads shall be full, neatly made, concentric with the rivet holes,
and in full contact with the surface of the member.
QUALITY ASSURANCE PROVISIONS
4.
4.1 Responsibility for inspection.  Unless otherwise specified in the
contract, the contractor is responsible for the performance of all inspection
requirements as specified herein.  Except as otherwise specified in the contract,
the contrator may use his own or any other facilities suitable for the
performance of the inspection requirements specified herein, unless disapproved
by the Government.  The Government reserves the right to perform any of the
inspections set forth in the specifications where such inspections are deemed
necessary to assure supplies and services conform to prescribed requirements.
4.1.1 Component and material inspection.  The contractor is responsible for
insuring that components and materials used are manufactured, examined, and
tested in accordance with referenced specifications and standards.
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