Mixing or Curing Concrete
COE CRD-C 521
(1981) Standard Test Method for Frequency
and Amplitude of Vibrators for Concrete
COE CRD-C 55
(1992) Test Method for Within-Batch
Uniformity of Freshly Mixed Concrete
COE CRD-C 94
(1966) Specification for Surface Retarders
1.2
UNIT PRICES
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NOTE: If Section 01270A MEASUREMENT AND PAYMENT is
included in the project specifications, this
paragraph title (UNIT PRICES) should be deleted from
this section and the remaining appropriately edited
subparagraphs below should be inserted into Section
01270A.
Consult the concrete materials design memorandum to
choose the appropriate cementitious materials and
admixtures for measurement and payment.
When silica fume is used in the project, the
Specifier should include both bid items, "Silica
Fume, Dry" and "Silica Fume, Slurry", to give the
Contractor the option of supplying the material in
dry form or in slurry form.
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1.2.1
Concrete for [_____]
**************************************************************************
NOTE: Repeat this bid item and its respective
subparagraphs for each bid item of concrete,
renumbering the bid items appropriately.
**************************************************************************
1.2.1.1
Payment
Payment will be made for costs associated with completing the concrete work
for concrete placed in the [_____]. However, these costs will not include
the cost of the cement, pozzolan, [slag,] reinforcement, [water-reducing
admixture,] [high range water reducer,] [silica fume,] and embedded parts
that are specified to be paid for separately. No payment will be made for
concrete, as such, that is placed in structures of which payment is made as
a lump sum.
1.2.1.2
Measurement
Concrete will be measurement for payment based upon the actual volume of
concrete within the pay lines of the structures as indicated on the
drawings. Measurement of concrete placed against the sides of any
excavation without the use of intervening forms shall be made only within
the pay lines of the structure. No deductions shall be made for rounded or
beveled edges, space occupied by metal work, electrical conduits or
reinforcing steel, nor for voids or embedded items that are either less
than 0.14 cubic meters 5 cubic feet in volume or 0.09 square meter 1 square
SECTION 03700
Page 9
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