R4-15-96
POWER TOOL CLEANING OF STRUCTURAL STEEL
619-B-124
The Standard Specifications are revised as follows:
SECTION 619, LINE 45, INSERT AS FOLLOWS:
requirement will not apply to shop painting. This requirement
will also not apply if the work consists only of cleaning and
painting bearings at end bents, or small sections of beams at end
bents or at piers with open joints.
SECTION 619, LINE 92, INSERT AS FOLLOWS:
Near-white blast cleaning shall otherwise be in accordance with
SSPC SP 10. The blasting compressed air shall pass through an
oil and water extractor before entering another apparatus.
SECTION 619, LINE 101, INSERT AS FOLLOWS:
Commercial blast cleaning shall otherwise be in accordance with
SSPC SP6. The blasting compressed air shall pass through an
oil and water extractor before entering another apparatus.
SECTION 619, BEGIN LINE 104, DELETE AND INSERT AS FOLLOWS:
that dust or other contaminants do not fall on wet, newly-painted
surfaces. The steel surfaces shall be cleaned in accordance
with 619.05(a) and 619.05(b) before hand tool cleaning. All
loose, non-adherent paint, rust or rust mill
scale shall be removed in accordance with SSPS SP2, Specification
for Hand Tool Cleaning before the steel is washed.
Peeling or flaking paint
SECTION 619, LINE 109, DELETE AND INSERT AS FOLLOWS:
wire brushed. After hand tool cleaning, dirt, dust, or similar
contaminants shall be removed by means of acceptable methods
which include brushing, blowing off surfaces with clean dry air,
or vacuum cleaning.
SECTION 619, BEGIN LINE 117, DELETE AND INSERT AS FOLLOWS:
SECTION 619, BEGIN LINE 144, INSERT AS FOLLOWS:
removed. The Contractor shall use steel grit blasting
abrasives and shall recycle the blasting material when
blasting lead primed bridges.
SECTION 619, BEGIN LINE 150, DELETE AND INSERT AS FOLLOWS:
Such container shall be labeled and maintained to prevent rain
water from entering. The material shall be disposed of at an
approved sanitary special waste landfill
or hazardous waste landfill in the State of Indiana. All
hazardous waste generated will be disposed of as required by the
SECTION 619, BEGIN LINE 180, DELETE AND INSERT AS FOLLOWS:
909.02(a)1b, 909.02(a)1c, 909.02(b), 909.02(a)2 and 909.02(c).It
shall consist of an inorganic zinc primer with a minimum dry film
thickness of 65 :m (2.5 mils) 75 :m (3.0
mils) and a maximum dry film thickness of 125 :m (5 mils) with an
average dry film thickness of 90 :m (3.5 mils), and a
waterborne or vinyl finish coat with a minimum dry film thickness
of 75 :m (3.0 mils) having volatile organic compounds which are
in accordance with IDEM requirements. The inorganic zinc
primer shall be cured to a minimum resistance rating of 4 when
tested in accordance with ASTM D 4752 prior to the application of
the finish coat.
SECTION 619, BEGIN LINE 193, DELETE AND INSERT AS FOLLOWS:
zinc primed bridges. A cleaning method which is in accordance
with 619.05(a), 619.05(b), 619.05(d), or 619.05(g) shall be used
for spot painting. This system shall be in accordance with
909.02(a)3 and 909.02(c). It shall consist of one coat of organic
zinc primer with a minimum dry film thickness of 65 :m
(2.5 mils) 75 :m (3.0 mils), an average dry film
thickness of 90 :m (3.5 mils), and a waterborne finish coat
with a dry film thickness of 75 :m (3.0 mils).
SECTION 619, BEGIN LINE 199, DELETE AND INSERT AS FOLLOWS:
lead primed bridges. A cleaning method which is in accordance
with 619.05(a), 619.05(b), 619.05(e), or 619.05(f)
shall be 200 used for encapsulation. This system shall be in
accordance with 909.03. It shall consist of a rust penetrating
sealer, a prime coat of corrosion inhibited primer with a minimum
dry film thickness of 75 :m (3 mils), an average dry film
thickness of 90 :m (3.5 mils), and a wet film thickness of
125 :m (5 mils) on areas where the paint has been removed, and a
topcoat with a dry film thickness of 125 to 175 :m (5 to 7 mils)
and a wet film thickness of 200 to 255 :m (8 to 10 mils). A
SECTION 619, AFTER LINE 233, INSERT AS FOLLOWS:
The compressed air used for painting shall pass through an oil
and water extractor before entering the paint pot.
SECTION 619, BEGIN LINE 364, INSERT AS FOLLOWS:
shall be painted after erection with the waterborne finish coat.
If the specifications do not permit the material to receive an
inorganic zinc primer in the shop before incorporation into the
structure, the surfaces which are exposed shall be cleaned in
accordance with 619.05(a), 619.05(b), and 619.05(c) before
paint is applied thereto. Such surfaces shall receive the
inorganic zinc primer after erection.
SECTION 619, BEGIN LINE 399, DELETE AND INSERT AS FOLLOWS:
SECTION 619, BEGIN LINE 413, DELETE AND INSERT AS FOLLOWS:
SECTION 619, BEGIN LINE 424, INSERT AS FOLLOWS:
SECTION 619, BEGIN LINE 317, DELETE AND INSERT AS FOLLOWS: