MID/J/2024-25/61

Replacement of old damaged summer regulatory gate of old bay no.3 at MRC Head works Akhnoor.

Replacement of old damaged summer regulatory gate by way of fabrication, installation & erection of new summer regulatory gate of old bay no.3 of MRC Head works Akhnoor. Job involves extraction of stop log gates of old bay no.3 of size 2.3 m X 2.0 m – 01 no. & 2.3 m X 4.0 m – 01 no. from the respective suspension hanger of bay no.3 by way of lifting of gates from its two ends with the help of electrically/mechanically operated hoist by means of operating EOT at Head works powered by DG set installed at site and shifting of gates from places of stacking to lowering position with help of manual labour and EOT. Lowering of stop log gates of old bay no.3 in grooves by skilled work force through operation of mechanical/electrical hoist mechanism. Job involves lowering by proper alignment so that the gates (02 nos. each) are not tilted, no damages occur to side seals & each leaf is to be hoisted on each other precisely to arrest all leakages. Further complete dismantling of old existing double winch arrangement including supports from its installed position and then extraction of summer gate from 3rd bay by means of removal of silt around the gates inside the bay by engaging skilled/semi-skilled labour manually and with the help of hydraulic crane. Stacking of the old extracted worn out gates at a safer place near to the site by using the hydra crane. Replacement of old worn out damaged summer regulatory gate and fabrication of new gate as per sample i.e.7.5 x7.5ft (approx) by way of fabrication of new gate leaf frame of ISMC100 with horizontal and vertical members for suitable strengthening. Welding of new M.S skin plate 10mm thickness on the supports of gate leaf frame fabricated from the new ISMC 100 in both horizontal and vertical positions to form a complete gate leaf frame at work shop. Providing and fitting of gate wheels, wheel pins and wheel bushes on either side of the gate for smooth movement inside the channels. Extraction of old damaged/bent stem rod complete assembly (50ft approx) from its installed position and repairs to it by way of remetalling, threading and finishing etc. as per desired pitch and nominal dia. in concurrence with the gear of the worm wheel in place of old damaged one as per the sample. Assembling of stem rod with gate by means of providing and fitting of new set of nuts and bolts for hoisting the gate with the stem rod end mechanism. Shifting of the fabricated gate and other allied accessories from workshop to the nearest unloading site at MRC Akhnoor by using skilled/unskilled labour along with hydraulic crane. Further shifting of the unloaded material from roadside to the site of installation by engaging skilled/unskilled labour along with hydraulic crane. Job includes providing & fixing of new round rubber seals of 12mm thickness covering the three sides of the regulatory gate, greasing of all the moving parts, painting of the gate by application of 02 coats of red oxide primer and then application of two coats of anti corrosive enamel paint on gate leaf and ISMC channels. Also provision for the dewatering pump to be kept during execution of the job to overcome leakages of the water if any. Lowering/installation of the newly fabricated summer regulatory gate in bay by using skilled/semiskilled labour along with hydraulic crane and other special tools & tackles as per the site conditions. Safety belts/full body harness, along with fibre ropes anchored with suitable safety mechanism on ground to be used to hold the worker/arrest free fall of worker in case of any unfortunate incident during installation of the gate in the bay. The worker should wear a personal floating device which may consist of a vest, jacket or full length suit. The floating device should also include one or two under-straps to be worn between the legs of the workers and also a headrest flap, to prevent slipping out of the vest. Any modifications/alterations of the job if required at the time of execution may be done as per actual site conditions in consultation with the site incharge. Job includes cost of material, tools and tackles charges, hire charges of hydraulic crane and welding equipment, transportation charges of material from workshop to the site of installation including head load, cost of consumables, cost of painting/ greasing of all requisite components, skilled/semi-skilled and unskilled labour charges and outstation charges and rebate on old parts . Complete job. Note:- The tenderers are requested to visit the site and quote the rate as per site conditions.

Rebate on Old Parts

R K Electrical and Engineering Works

Chargotra Trading Co.