Painting of station piping, equipment and structures at NRPL Karnal

Amount

Painting Work

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade :

Two or more coats on new work

Lettering with black Japan paint of approved brand and manufacture. [Note: Unit "EA" shall mean "PER LETTER PER CM HEIGHT"].

Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete.

Providing and fixing double scaffolding system (cup lock type) on the exterior side, up to seven story height made with 40 mm dia M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and approval of the Engineer-in-Charge. The elevational area of the scaffolding shall be measured for payment purpose. The payment will be made once irrespective of duration of scaffolding. [Note: This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done]

Applying priming coat with ready mixed primer of approved brand and manufacturer at all heights over steel surfaces like structures, columns, pipes, vessels, tanks etc. as per manufacturers specifications and directions of the Engineering-in-Charge; all complete including cleaning the surface using emery papers/ Power tool cleaning such as ST-2 or ST-3 as per requirement, including all material, consumables, tools, tackles, labour etc but excluding Scaffolding. Note- No. of coats mentioned in the SOR items are only indicative and contractor has to achieve rquired DFT by applying more coats (if required) within the relevant SOR item rates. Self priming HB coating primer to achive a minimum DFT of 100- 125 microns (1 or more coat of 100-125 ?)

Supplying & Applying various PU and other protective intermediate / finish paints of approved brand and manufacturer at all heights over prepared/primed surface for steel structures, pipelines, tanks, equipments, concrete floors etc. as per manufacturers specification & directions of Engineer-in-charge and; all complete including all materials, labours, tools-tackles and consumables etc but excluding Scaffolding. Note- No. of coats mentioned in the SOR items are only indicative and contractor has to achieve required DFT by applying more coats (if required) within the relevant SOR item rates. Two pack Acrylic Poly-urethane (PU) to achive a minimum DFT of 40-50 microns (one or more coat of 40-50 ?).

PU Flooring with UV Resistant top Coat Surface Preparation: Grinding of surface ? Concrete substrate must be fully cured? Dry sound and clean and free from other contaminants like curing compound, grease, oil, salts etc. ?Weak concrete must be removed. Consumption of Primer varies according to floor porosity. Making the surface suitable for further coating is completely under the scope of contractor which includes concrete patch work also inclusive of material as well as labour complete in all respect. Scratch Coat Application: : Application of cementitious based PU top coat to make the surface ready for top coat. Thickness – 1mm (minimum) subject to achievement of desired layer & thickness Top Coat Application: Application of cementitious based PU top coat. By adding the contents of hardener to the base with slow speed stirrer to stir uniformly to get a homogeneous mix and applied using serrated trowel and spike roller. Thickness – 3mm (minimum) or more having load carrying capacity of 10 tonns Polyurethane UV Resistant final Coating of appropriate thickness having stain resistance and UV rays resistance properties to prevent dullness due to sun exposure.

VINOD KUMAR

Arora And Company

Deswal Engineering Construction

ADR HIND ENTERPRISES