category. Usually it is necessary to base judgments upon laboratory
t e s t s . Such tests. in order to be accepted as authoritative. should
be made by approved laboratories.
3 . 3 . 2 Mixes: Describe proportions or procedures in mixing
materials. Mixing is considered a process preparing the materials
for use. Examples of paragraph titles are: Asphalt Mix, Concrete
Mix, Mortar Mix, Plaster Mix, or Terrazzo Mix.
3.3.3 Fabrication and Manufacture: Describe products which must
b e fabricated "off site" b e f o r e they are ready for installation. as
in the case of TS-03420, "Precast Prestressed Concrete."
3.3.4 Source Quality Control:
3 . 3 . 4 . 1 Tests. Inspections: Tests and inspections of products
r e q u i r e d at the plant, mill, factory, or shop should be Specified
3 . 3 . 4 . 2 Performance Verification: State procedures and methods
required for verifying performance or compliance with specified
3 . 4 Part 3 - Execution: This part describes the manner in which
the products specified in Part 2 are to be incorporated into the
p r o j e c t . The provisions included in this part are the "on site" or
" f i e l d " functions and requirements. The groupings are arranged, in a
chronological sequence as might occur in the orderly progression of
the work. Included in Execution would be Inspection. Preparation,
Installation/Application/ Performance/Erection, Field Quality
Control. Adjustment and Cleaning, Protection, Instructions for
Operating Personnel and Schedules.
3 . 4 . 1 Inspection: Acceptable workmanship in many sections of a
construction project is dependent upon previous work of other trades
a c c o m p l i s h e d under the provisions of other specification sections.
U n d e r this: condition, it is essential that the Contractor insure
that no defects-or errors are present in completed phases of the
w o r k which would result in poor application or installation. or
cause latent defects in the subsequent work to be accomplished.
3 . 4 . 2 Preparation: Describe those preliminary actions necessary
to prepare for the accomplishment of the principal work of the
s e c t i o n . The requirements can range from simple cleaning to
e l a b o r a t e technical efforts, such as grading, etching, or
e s t a b l i s h i n g grades and levels. Examples of some provisions which
may be included are: field measurements. preparation of surfaces,
and fine grading.
3 . 4 . 3 Installation/Application/Performance/Erection:
I n s t a l l a t i o n concerns requirements such as placing concrete, laying
b r i c k , or framing floors. Application concerns requirements such as