bids are invited for job work for repair and servicing of desert cooler job work for repair maint and replacement of spares of desert cooler installed at various locations , taking down of desert cooler for repairs servicing 3000 or 4000 cfm air flow capacity single phase 230 volts , supply only fan motor for desert cooler 3000 or 4000 cfm air flow cap single phase 230 volts all as specified and directed , supply only fan blade pvc iron body with nuts n bolts washer for desert cooler 3000 or 4000 cfm air flow , supply only flexible core pvc insulated with stranded copper conductor one point sqmm 3 core , supply and fix in repair submersible vertical pump with suitable head for desert cooler , supply and fix in repair desert cooler fan regulator or selector switch , supply and fix in repairs switch piono 5 amp 230 volts , supply and fix in repairs plug top for desert cooler 3 pin 5 amps 230 volts , supply and fix in repair iron flame clamp as per existing one with required no of nuts and bolts , supply and fix in repair front grill air divertor of iron with selector switch for desert cooler , supply and fix wooden shelving pad for desert cooler each set of three , supply and fix in repairs pvc flexible pipe from vertical pump to distributer 15 mm dia 3 ways total quantity : 320