Painting Works
Painting work should be performed in accordance with the specifications, the approved designs, sketches and samples vykrasok. Acceptance shall be permitted only after the complete drying of water stains and Hardening oil, enamel and varnish films. When checking the correctness of execution and the number of operations for the preparation and processing of surfaces for painting is a partial removal of paint coatings to base; check should be carried out in areas where subsequent trimming does not violate Tone on tone color. Quality Paint work must meet the following requirements: 1. surfaces, painted water compositions should be self-colored, spots, stripes, drips, splashes, otmelivanie surface and local corrections stand out, are not permitted; brush marks shall be allowed only with a simple color, if they are not visible on 3 m from the painted surface 2. surfaces, painted with oil, synthetic enamel and lacquer formulations, should be monophonic texture, translucence of the underlying layers of paint and stains, tack, wrinkles, streaks, missing, pieces of film, visible pellet of paint, uneven due to poor sanding and brush marks are not allowed 3. local curvature of the lines and fill in the mating surfaces, painted in different colors, with high-quality color are not allowed, with improved – should not exceed 2, while easy – 5 mm, 4. borders, friezes and panels must be of equal width throughout and with no visible joints 5.
surface-treated sponge or roller, homogeneous pattern; omissions and distortions spot lines, as well as the shift pattern at the junction with its rolling rollers are not allowed. Measurement performed painting work done on the area in fact, the machined surface because of its topography and net rough places. Conversion factors for molded products (measurement made on the base area), height of relief, up to 30 mm coefficient of more than 30 Figure: a rare 1,5 3 thick March 5 Surfaces coloring 1 m of steel and cast iron pipes, including protrusions from the fittings, sockets and hooks are provided in Table. table. Surface of steel and cast iron Pipes Diameter mm inch surface pipe of 1 m Steel 15 1 / 2 0.11 20 3 / 4 0.13 25 1 0.16 32 1 1 / 4 0.18 40 1 1 / 2 0.21 50 2 0.26 Cast Iron 50 2 0.28 75 3 0 , 37 100 4 0.48 125 5 0.59 150 6 0.72 size color devices, central heating on all sides accepted equal heated surface
Tags: construction and repair