Mormugao Port Trust Tender

Servicing of blowers , servicing of sand and carbon filter ,providing additional blowers as follows:- Part A Servicing of blowers a) Replacement of existing blower pulley and suction filter of KPT Make with new blower pulley -1 no KPT make , part no 1202A32 ( SR 044) , HSN code 84835010 and suction filter-2 nos .......as decribed on BOQ view only cover 1 Part B Servicing of Sand and carbon filters tanks,replacement of filter medias of tanks ( Existing tanks of sand and carbon filter of 3218 lit capacity each) a) Supply and replacement pebbles ( 1” -0.5” Size – 600 kgs ,Quartz ( 6-12 MM ) -600 kgs , Quartz( 4-16 mm ) -600 kgs and course sand ( 8 -16 mesh ) 1200 kgs – Total 3000 kgs including removing the existing media . b) Supply and replacement of activated carbon IV 900 -1600 kgs including removal of existing media. c) Supply and replacement of Guddi make or equivalent Vacuum breaker 1.5 “ -6 nos. d) Supply and replacement of Guddi make or equivalent Top Hub lateral distribution set 63 “ -2 no’s . e) Supply and replacement of Guddi make or equivalent bottom Hub lateral distribution set 63 “ -2 no's. f) Supplying and Fixing of UPVC make specials of prince /Astral/ Finolex brand 63 mm dia , Class heavy, unions-10 nos and ball valve -2 nos , including pipes for joining and other specials required for cutting and re fixing of existing line , necessary solution . Scope of work :- as described in BOQ view only cover 1 Method or procedure to be followed : as described in BOQ view only cover 1 Part C Providing additional blowers and mortar at STP at Headland Sada - a) Providing, fixing and commissioning of twin lobe blower and motor of following specification -1 number blower and i number mortar. KPT blower with number SR 069 with volume of Air flow 450 M3 /hour, pressure 700 mbar , blower speed 1640 RPM , 13.6 Bkw , Temperature rise 87 degrees and noise level at 1m distance 95 without acoustic ,equivalent motor 15 kw /4p , 3 phase, L.T. Induction motor,of Crompton/Hindustan/ ABB with accessories like inlet silencer cum filter, outlet silencer , V belts , belt guard , blower pulley, motor pulley , motor slide rails , base frame , safety valve, pressure Gauge, Flexible connection , Foundation bolts , non-return valves , oil level indicator , ANT vibration rubber pads , blower lubricant oil , suction silencer, Discharge silencer , suction Air filter etc. or others brands blowers with motor like Everest/ A1 /usha/Beta/Kay/TMVT or equivalent and motor Hindustan/ABB/CGL or equivalent . ( prior approval of competent authority to be taken with all specification before installation ). The cost to include necessary electrical cable 1.1.kv 4c x 25 sq.mm aluminium XLPE armoured cable - 100 m length and star delta starter panel with all accessories of current and voltage rating suitable for newly provided motor, necessary GI pipes and specials class C such as bends , elbows , specials bends , GI pipes app 10 m length , for connection to existing pipe line , necessary welding machine , welding at site , providing necessary butter fly valve of 80 mm , of SIR make or equivalent , of CI body , DI disk Seat of EPDM, Stem SS 410 , Tem 120 degrees centigrade, but excluding the cost of foundation concrete which will be done departmentally, however the contractor has to depute his personal for placing foundation bolts during concreting. All labour, materials , tools and plants etc. complete. NOTE: . The work involves connection of outlet of blower to existing system, and the new blower and motor should achieve the necessary results of aeration in the tank of capacity 504 m3 and 220 m3 simultaneously. Hence the contractor should visit the site and quote accordingly.