Specifications

105
NLUO PMC CONTRACTOR
SIGNATURE AND SEAL SIGNATURE AND SEAL SIGNATURE AND SEAL
is necessary in case of ready mixed paint, the brand of thinner recommended by the manufacturer or as instructed by the
Consultants/ Employer shall be used.
The painting shall be laid on evenly and smoothly by means of crossing and smoothly by means of crossing and laying
off , the latter in the direction of the grain of wood. The crossing & laying of consists of covering the area over with
paint, brushing the surface hard for the first time over and ten brushing alternately in opposite direction, two or three times
and then finally brushing lightly in a direction at right angles to the same. In this process, no brush marks shall be left after
laying off is finished. The full process of crossing and laying off will constitute one coat. Where so stipulated the painting
shall be done by spraying. Spray machine used may be (a) high pressure (small air aperture) type (b) a low pressure (large
air aperture) type, depending on the nature and location of work to be carried out. Skilled and experienced workmen shall be
employed for this class of work. Paints used shall be brought to the requisite consistency by adding a suitable thinner.
Spraying should be done only when dry condition prevails. Each coat shall be allowed to dry thoroughly and rubbed smooth before the
next coat is applied. This should be facilitated by through ventilation. Each coat except the last coat, shall be lightly rubbed with sand
paper or with pumice stone and cleaned off dust before the next coat is laid.
No left over paint shall be put back into the stock tins. When not in use the container shall be kept properly closed.
No hair marks from the brush or clogging of paint puddles in the corners of panes, angles of moldings etc., shall be left on the work.
In painting doors and windows, the putty round, the glass panes must also be painted, but care must be taken to see that no paint stains
etc. are left on the glass top of shutters and surfaces in similar hidden location shall not be left out in paint.
In painting steel work, special care shall be taken while painting over bolts, nuts, rivets, overlaps etc.
The additional specifications for primer & other coats of paints shall be as according to the detailed specifications under the respective
headings.
BRUSHES AND CONTAINERS :
After work, the brushes shall be completely of paint and linseed oil rinsing with turpentine. A brush in which paint has dried up is
ruined and shall on no account be used for painting work. The containers when not in use, shall be kept closed and free from air so that
paint does thicken and also shall be kept safe from dust , When the paint has been used, the containers shall be washed with turpentine
and wiped dry with soft clean cloth, so that they are clean, and can be used again.