Installation, Testing and Commissioning of Over Head Manual Gantry with allied works at tubewell cum Pumping station Sunjwan Procurement

Amount

Modification of existing shed and fabrication, erection, testing and commissioning of 3 ton capacity over head crane at Sunjwan Procurement. Job includes dismantling of old existing shed for increasing the height upto 14 feet and width by 4 feet and cement flooring of extended part of the shed by dismantling of sheds roof sheet and purlins of the shed with technical skilled labour. Old material shall be stacked in proper way and shed pillars shall strengthened by using steel as per requirement for existing shed to take load of new increased height and weight of roof of shed. Pillars shall be extended as per design up to the level of installation of crane strengthened purlins shall be installed on the pillars and sheets shall be fixed on purlins with superior quality of screws with washers for leak proof sheet fixing. Fabrication of door for shed entrance as per proper size for loading and un loading of electro mechanical machinery. Re-fabrication of shed as per size required for smooth operation of overhead gantry. Design, Fabrication , installation and commissioning of mechanical single girder overhead gantry crane for lifting pumps and motor at newly modified shed of size 16’ x 20 ‘. The Job includes laying of foundation blocks of size 2’.6” x 2’.6” x 2.6’ depth 6 nos. and each side 03 nos. and disposing of excavated material at proper place. Fabrication of iron mesh of 6” x 6” interspacing from TMT bar of 10 mm and placing them in the pits of foundation blocks . Filling of foundation blocks with concrete cement mixture of ratio (1:3:6) after placing foundation bolts with foundation plates at proper level and opposite alignment .Proper curing shall be done to foundation block so that the cement concrete mixture attains the maximum strength. The crane consists of a manual monorail trolley of 3 ton capacity with 3 ton capacity heavy duty chain block to be provided for the operations of cross travel movement and lifting of heavy duty electrical and mechanical equipment’s. The crane span should be longitudinal and cross travels by means of travel through single girder monorail trolley fixed on main girder which is to be travel on fabricated beams of proper specifications, design, attachments to be fixed on which wheels of monorail trolley move. This monorail trolley with chain block has to be fixed on main girder of crane. The mechanical crane shall comprises of an monorail trolley and chain block confirming to IS 3938 cross travel and longitudinal movement of loads with following specifications. The manual monorail trolley shall be installed on the main transverse Indian standard steel beam of ISMB series suitable to take load of trolley with chain block and lifting of electrical and mechanical equipment’s. M S structure shall be fabricated at site inside the shed area for installation of OHT single girder crane .Fabrication of piers as per capacity of crane by designing of accurate span of pier to pier and with foundations for piers , fixing main transverse girder is to be mounted on LT travel ISMB beam should be fixed on fabricated piers top plates in accurate alignment. The ISMB of 250mm of 2 Nos and ISMB of 300mm of 01 Nos should be used for girder. The job comprises of following fabrications for interconnecting crane structure, Trackers should be fabricated of proper size and specification according to design. Trackers mounted on ISMB girder on which square is to be welded for trackers to run in proper alignment. Crane shall travel longitudinal with shaft of with bearings and couplings and gears with chain. All components are to be designed for strength and adequacy for the operation as per defined load of machinery. Hoisting capacity: 3 ton capacity manual mode by chain block 3 ton capacity, Span (transverse travel ) : 16’, Lift :3 mtrs, Longitudinal travel: 20’.The Job includes electrification of extended shed, cost of material, labour , and to and fro carriage charges also shifting of material to Site. The job includes Paneling of wall and roof of room size 10’ x 12’ at CPS Narwal and Providing of 2 nos. Almirah in the office of Central Pumping station Narwal. Job includes Providing, Installation, Testing and Commissioning of Submersible pump set 10000 GPH X 100 mtr head of reputed make Grundfos / Kirlosker/ KSB along with Flat 3 core copper submersible cable- 16 mm sq. of reputed make Finolex/ Anchor/Havels/Polycab approximately 180 mtrs. The pump bowl should be of close grained cast iron with renewable wearing rings of bronze material. The pump shaft shall be of stainless steel guided with stainless steel distance sleeves /shaft protection sleeves provided with each bowl above and below the stainless steel impeller. The coupling shall be of mesh type rigid sleeve of stainless steel ,non slipping type with matching groove and cotter arrangement to suite keyway provided .The suction case shall be of close grained cast iron material .The motor should be three phase AC supply having nominal speed of 2900 RPM, 380 Volts + 15% of frequency 50 Hz + 3% and power rating of the motor shall be above the power consumed by the pump at duty point with next higher rating available as per standard size. The motor should be totally enclosed squirrel cage induction type, water cooled and sealed against outside water being pumped. The windings shall be wet type water lubricated and provided with metal tilting thrust pad designed to take up all untoward load to most unfavorable running conditions. Complete job includes cost of material, labour charges and any other miscellaneous items / parts required during execution of the job. The complete job should be completed in all respect.

M.S J K HYDRAULIC ENGGG AND FABRICATOR WORKS

M/S K S ENGG WORKS

BEE AAR ENTERPRISES