retesting will be deducted from payments due the Contractor at a rate of
$[_____] per sample.
2.2.1.2
Non-Metallic Waterstops
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NOTE: Testing of Non-Metallic Waterstops shall be
performed by the Corps of Engineers Waterways
Experiment Station.
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Samples of materials and splices as required in paragraph WATERSTOPS shall
be visually inspected and tested by and at the expense of the Government
for compliance with COE CRD-C 513 or COE CRD-C 572 as applicable. If a
sample fails to meet the specification requirements, new samples shall be
provided and the cost of retesting will be deducted from payments due the
Contractor at the rate of $[_____] per material sample retested and
$[_____] per spliced sample retested.
2.2.2
Splicing Waterstops
2.2.2.1
Procedure and Performance Qualifications
Procedure and performance qualifications for splicing waterstops shall be
demonstrated in the presence of the Contracting Officer.
2.2.2.2
Non-Metallic Waterstops
Procedure and performance qualifications for splicing non-metallic
waterstops shall be demonstrated by the manufacturer at the factory and the
Contractor at the job site by each making three spliced samples of each
size and type of finished waterstop.
2.2.2.3
Metal Waterstops
Procedure and performance qualifications for splicing metal waterstops
shall be demonstrated at the job site by the Contractor. The brazing
procedure, brazers and brazing operators for splicing copper waterstops
shall be qualified in accordance with Part QB (Brazing), Article XI
(Brazing, General Requirements), paragraph QB-170 (Peel Tests) and other
applicable requirements of Articles XI, XII, and XIII of ASME BPVC SEC IX.
The welding procedure and welders for splicing stainless steel waterstops
shall be qualified in accordance with the manufacturer's recommendations.
PART 3
EXECUTION
3.1
INSTALLATION
Joint locations and details, including materials and methods of
installation of joint fillers and waterstops, shall be as specified, as
shown, and as directed. In no case shall any fixed metal be continuous
through an expansion or contraction joint.
3.1.1
Expansion Joints
Premolded filler strips shall have oiled wood strips secured to the top
thereof and shall be accurately positioned and secured against displacement
to clean, smooth concrete surfaces. The wood strips shall be slightly
tapered, dressed and of the size required to install filler strips at the
SECTION 03151A
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