provide electrical continuity. Conform to the safety precautions of
paragraph [_____] when welding around fuel facilities. Check and verify
adherence of the bond to the substrate for mechanical integrity by striking
the weld with a 908 gram 2 pound hammer.
3.1.9
Casings, Insulation, and Seals
Where the pipeline is installed in a casing under a roadway or railway,
insulate the pipeline from the casing, and seal the annular space against
intrusion of water.
3.1.10
Reconditioning of Surfaces
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NOTE: On projects having site work provided by
DIVISION 2, coordinate the requirements for
reconditioning of surfaces with the appropriate
section(s).
**************************************************************************
3.1.10.1
Restoration of Sod
Restore unpaved surfaces disturbed during the installation of anodes and
wires to their original elevation and condition. Preserve sod and topsoil
carefully and replace after the backfilling is completed. Where the
surface is disturbed in a newly seeded area, re-seed the area with the same
quality and formula of seed as that used in the original seeding.
3.1.10.2
Restoration of Pavement
Patch pavement, sidewalks, curbs and gutters where existing surfaces are
removed for construction. Saw cut pavement edges. Graded aggregate base
course shall have a maximum aggregate size of 35 mm 1 1/2 inches. Prime
base course with [liquid asphalt, ASTM D 2028, Grade RC-70] [_____] prior
to paving. Match base course thickness to existing but shall not be less
than 150 mm 6 inches. Asphalt aggregate size shall be 12.7 mm 1/2 inch,
asphalt cement shall [conform to ASTM D 3381, Grade AR-2000] [_____].
Match asphalt concrete thickness to existing but shall not be less than 50
mm 2 inches. Repair portland cement concrete pavement, sidewalks, curbs,
and gutters using 20.67 MPa 3,000 psi concrete conforming to [ASTM C 94]
[Section 03300N CAST-IN-PLACE CONCRETE]. Match existing pavement,
sidewalk, curb, and gutter thicknesses.
3.2
FIELD QUALITY CONTROL
Field tests shall be witnessed by the Contracting Officer or his designated
representative. Advise the Contracting Officer [5] [_____] days prior to
performing each field test. Quality control for the cathodic protection
system shall consist of the following:
a.
Initial field testing by the contractor upon construction
b.
Government Field Testing after Contractor initial field test
report submission.
c.
Warranty period field testing by the Contractor.
d.
Final field testing by the contractor after one year of service.
SECTION 13111N
Page 28
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