Repair and Maintenance of Fish Belly Gates at Power House A B C D at WYC HE Project Bhudkalan

Amount

Dismantling the chain sprocket shaft assembly with bearings and then holding the fish belly gate with hydraulic crane at site then send the complete shaft assembly to the workshop of contractor for replacement/refitting of Plummer block, bearings, single and triplex sprocket fitting by hydraulic press and dispatch the same at power house. Installation of the shaft sprocket assembly , single chain and triplex chains with side links and balancing of counter weight with respect to alignment of fish belly gate to operate automatically by chain sprocket shaft complete in all respect.

Dismantling of SS pin of triplex chain/single chain by holding the gate with hydraulic movable cranes and holding the gate with girders and chain block fixtures and removing the triplex chain/Single chain with links and supply & installation of new SS pin by repairing and welding of gate structure etc.

Supply of S.S pin having Dia 50 mm length 280 mm or as per existing size

Repair of fish belly gate along with overhauling of chain (cleaning, greashing of chain & sprocket and aligment of chain & sprocket and rollers to work and operate smoothly.

Supply, Dismantling, Replacement of Rubber seal wedge bottom type as per existing size including galvanized nuts & Bolts complete in all respect

Supply, Dismantling, Replacement of Rubber seal bulb type as per existing size including galvanized nuts &Bolts complete in all respect

Overhauling of gate valve to make it operate smoothly and replacement of spindle of gate valve etc.

Dismantling, supply, replacement, installation and alignment of hinge brackets-8 No. and SS pin as per existingsizes confirming IS:2062 and SS-304 material

Forged steel EN-9 Triplex sprocket confirming 2004 CL OD 446, Face width 264 mm, PCD 388.33 pitch 121*10 teeth

Forged steel EN-9 Single sprocket confirming 2004 CL OD 446, Face width 78 mm, pitch 121*10 teeth

Cleaning, scraping & painting of gate with Epoxy black CA-50 paint having two coats complete in all respect

Supply, fabrication and installation of MS fabricated link for chain as per sizes

Supply, fabrication and installation with proper alignment of MS bottom cylinder pipe OD 208*8200 mm long

Dismantling of damaged holding/lifting bracket, fastener and etc. complete

Fabrication of damaged holding brackets as per sample

Providing of new fasterners of holding bracket

Dismantling providing and fixing of 40 mm 03 nos. pin of chain by cutting of pin and provide of new pin by proper fitting and testing at site. Material:- carbon alloy EN8

Dismantling providing and fixing of 25 mm 02 nos. pin of chain by cutting of pin and provide of new pin by proper fitting and testing at site. Material alloy EN8

Dismantling/Replacement/Fabrication of damaged lifting arm as per sample

Dismantling of chain remove all the rust area by diesel and then greasing, oiling so that chain work smoothly after that re- assemblling by proper fitting testing at site.

Holding of fish belly gate by chain block/sling of proper fitting of chain and its parts.

Re-assembling of all the damage parts like nut, bolts, holding bracket, fasterner by welding, grouting etc.

MAHADEV ASSOCIATES

S.K SALES COMPANY