pulichintala Project Circle Vissannapeta

Removal of Hoist equipment and bridge with Hand railing to facilitate for removal of damaged regulator gate and providing new regulator gate into the vent (including cost of all consumables, labour, machinery etc.) complete.

Removal of damaged gate from the vent for providing new regulator gate in the groove including cost of all consumables, machinery, labour etc. complete.

Cleaning of grooves i.e. removing debris, plants, plant branches, grinding of seal roller & guide track system, replace new GM parts wherever necessary and providing SS flats on seal roller and sill tracks including cost of all materials, labour, machinery etc. complete.

Design, fabrication, supply, erection, testing and commissioning of fixed wheel type vertical lift gate consisting of skin plate, vertical and horizontal girders, channels, stiffeners, lifting brackets, guide rollers, neoprene cladded rubber seals, etc., with all accessories for river sluice canal block vent including cost of all materials, labour, welding, grinding, finishing, painting etc., as per specification and drawings (SSR.IRR. GAW-2-6/2025-26)

Repairs & replacements of bevel gear, bevel pinion, bearings, electric cable/switch/control panel, manual operation system, and fabrication, greasing for hoist equipment including cost of all materials, machinery, labour complete.

Re-erection of hoist bridges piers and equipment on piers after lowering new gate into the vent including cost of all materials, machinery, labour complete.

Cleaning gates, hoist & em parts etc. to expose fresh metal surface for painting by sand blasting method as per specifications including cost of all material, labour, machinery, scaffolding etc complete (SSR: IRR-GDW-3-1/2025-26) i) EM parts @ 8 sqm/6 units 48 sqm ii) Gate @ 52 sqm/gate for 6 vents 312 sqm iii) Hoist Brakes Equipments etc.@49/sqm/6 Vents 294 iv) Ladders 1.NO 15 sqm

Painting of embedded metal parts and all types of gates, stoplogs,etc, on sand blasted surfaces with one coat of inorganic zinc silicate (airless spray preferred)70+/- 5 and two super coats with a total thickness of 300 microns (each 150+/- 5) of solventless coaltar epoxy paint each coat 150 microns ( total 300 microns) cost of all materials, labour, scaffolding etc., complete (SSR: IRR-GDW-3-2/2025-26) i) EM parts @ 8 sqm each for 6 vent 48 Sqm ii) Gate @ 52 sqm gate for 6 vent 312 sqm

HOISTS:STRUCTURAL COMPONENTS--painting structurals on sand blasted surfaces with two coats of zinc phosphate primer (airless spray preferred) 40microns/coat and one coat 65+/-5 of alkyd based micaccous iron oxide paint followed by two coats of synthetic enamel paint 25 microns/coat cost of all materials, labour, scaffolding etc., complete (ssr -irr-gaw-3-4) i) Hoist @ 49 sqm vent for 6 NOS 294 sqm ii) Ladder @ 100 @ 17/- 17 sqm