Item 4C Audio1
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at the project site. A report summarizing theday's visit.following eachby project specifications. A report summarizing the results of our testing will be mailed to the Client advance
of when services are needed. CTL will perform fireproofing thickness and density tests as required hours in -basis for Fireproofing testing. We will rely on the Client or Contractor
to notify us at least 24time -A representative of CTL will be available on a partApplied Fireproofing:-Observation & Testing of Spravresults of our inspections will be mailed to the
Client following each day's visit.
Observation and Density Testing of Fill and Backfill:A representative of CTL will be available on a part-time
basis during placement of fill and backfill to observe progress and methods and to perform moisture density
tests as required. We will rely upon the Client or Contractor to notify CTL at least 24-hours in advance of
when services are required. Testing methods used will be conducted in general accordance with project
specifications and ASTM standard test methods. Other laboratory testing will be conducted as deemed
necessary, or as requested by the Client, to evaluate conformance of fill materials with project
specifications. Reports, reviewed and signed by a licensed professional engineer, will be mailed to the Client
following each site visit.
Drilled Pier Observation:A representative of CTL will be available on a full-time basis to observe drilled pier
installation. We will rely on the Client or Contractor to notify CTL at least 24 hours in advance of when
services are required. While on site CTL will observe piers for depth, bearing stratum, penetration,
plumbness, and reinforcement. Reports, reviewed and signed by a licensed professional engineer, will be
mailed to the Client following each site visit.
Reinforcing Steel Observation:A representative of CTL will be available on a part-time basis to observe
placement of reinforcing steel in cast-in-place concrete members. We will rely upon the Client or Contractor
to notify CTL at least 24-hours in advance of when services
are required. Reinforcing steel placement will be inspected for compliance with approved structural and
shop drawings, including bar size, spacing, clearance and splice lengths. Post tension strand tensioning will
be inspected for proper jacking force and strand
elongation. Reports reviewed and signed by a licensed professional engineer, will be mailed to the Client
following each site visit.
Concrete Testing: A representative of CTL will be available on a part-time basis to perform concrete testing
as required by project specifications. We will rely on the Client or Contractor to notify us at least 24-hours in
advance of when services are needed. A copy of
Information regarding each test will be given to the Contractor at the job site the day the concrete is
sampled. Four (4) cylinders will be cast in the field for each test. Cylinders will be cured initially in the field
for the first 24-hours in a water tank, or other storage container suitable to maintain a reasonable curing
temperature. Cylinders will be picked up by a
representative of CTL the following day and returned to our laboratory for curing and testing. A report,
reviewed and signed by a licensed professional engineer, summarizing the results of our tests will be mailed
to the Client following strength testing at 7 and 28-
days.
Masonrv Testinq:A representative of CTL will be available on a full-time basis, during grouting of structural
masonry, to perform masonry observation and testing as required. We will rely on the Client or Contractor to
notify us at least 24-hours in advance of when services are needed. CTL will observe placement of
reinforcement, verify clean-outs, and observe grouting operations. Six (6) mortar cubes, 4 grout prisms, and
8 masonry prisms (4 hollow block and 4 grouted block) will be cast in the field for each 5,000 square feet of
structural masonry, and will be stored on the site for the required field curing time.
Samples will be picked up by a representative of CTL the following day and returned to our laboratory for
curing and testing. A report, reviewed and signed by a licensed professional engineer, summarizing the
results of our observations and tests will be mailed to the Client
following strength testing at 7 and 28-days.
Visual Weld Observation: A representative of CTL will be available on a part-time basis for Visual Weld
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observation. CTL will visually observe and test bolted and welded connections and metal decking for
compliance with project drawings and specifications. A list of outstanding discrepancies will be maintained
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