State Plan_2025_2026_ Replacing and servicing of media of carbon filter assembly_3 sets_ GDS _STP at

Amount

Replacing and servicing of media of carbon filter assembly-3 sets

OD93864/2025-2026:Charges for opening the Man hole of pressure sand filter chamber, loosening or cutting & removing the bolt & nuts, packing etc from the MH cover on the top of the filter casing after closing the inlet, outlet valves, then checking the oxygen level inside the chamber etc complete as per the direction of deptl officers. Including all labour charges only.

OD93867/2025-2026:Removing the chocked filter media from the chamber without making any damages to the existing structures and back manifolds, after descending into the chamber, it is stirred with the help of spade, shovel etc, then scooped into a bucket, and hoisted to the top by means of a pulley and a rope etc manually, then being dropped to the floor from the bucket and loaded to a trolley & transported and deposited in a convenient place within a distance of 50m. Including providing lighting & air circulation to the chamber, safety equipment such as Gum boots, mask, gloves, antiseptic lotions etc as per the direction of deptl officers. Including all labour charges, charges for all arrangements required for the work and charges for all tools & accessories and all safety equipments etc complete.

OD93866/2025-2026:Cleaning, drying and seiving the removed filter media and stacking the serviceable pebbles for reuse in a convenient place etc as per specifications and as per directions of the department officers.

100.55.3:Supplying of 20 to 40 mm pebble (pebbles shall be hard, clean, free from clay, dust and other impurities), stacking in standard heaps for measurement including cost, conveyance up to 5 km and labour charges for stacking, spreading, testing and as per directions of the department officers etc. complete and as per CPHEEO specification.

100.55.2:Supplying of 12 to 20mm size pebble (pebbles shall be hard, clean, free from clay, dust and other impurities), stacking in standard heaps for measurement including cost, conveyance up to 5km and labour charges for stacking, spreading, testing and as per the directions of the department officers etc complete and as per CPHEEO specification.

OD93896/2025-2026:Supplying of Activated carbon - IV 850 stacking in standard heaps for measurement including cost, conveyance up to 5 km and labour charges for stacking, spreading, testing and as per the directions of the department officers etc. complete as per CPHEEO specifications.

OD93865/2025-2026:Additional labour for Filling the pebbles inside the pressure filter as per the direction of deptl officers.

13.53.1:Painting on G.S. sheet with synthetic enamel paint of approved brand and manufacture of required colour to given an even shade:New work (two or more coats) including coat of approved steel primer but excluding a coat of mordant solution.

13.64.1:Painting with acid proof paint of approved brand and manufacture of required colour to give an even shade:Two or more coats on new work

OD93868/2025-2026:Charges for providing opening on the side wall at bottom of the pressure sand filter for the ease of replacing filter media. Cutting MS Sheet of size 450 dia and welding with 15 cm long 450 mm dia MS pipe for opening, then welding with 450 mm flange at the free end. Fabricating 470 mm dia MS cover plate to suit the 450 mm flange and jointing with rubber packing nut, bolts etc as per the direction of departmental officers.

TRICHUR HEAVY ELECTRICALS (BID ID -2285551)

JOSE MERLIN (BID ID -2288177)

Bidder Name

JOSE MERLIN

TRICHUR HEAVY ELECTRICALS

SAHAD N