REPLACEMENT OF CRANE AGAINST BER EM EQUIPMENT (EOT CRANE) AT AFS CHAKERI KANPUR

Amount

Design, supply, erecting, testing & commissioning of electrically operated overhead travelling end supported crane 3.0 Ton capacity single girder span 11.5 mtr clear hook height 7mtr type clash to with necessary steel structure track rails for LT & CT electric motors and gear driven long cross travel /hoisting mechanism VVVF control drivers for normal and micro speed control (micro motion only for hoist) operated from floor with pendent push button controls. movable independent DSL shrouded conductor system 415 volts. 3 phase 4 wire of appropriate capacity including current collector supporting brackets. insulators and other standard fixtures and fittings carriage with single fianged cylindrical wheels. standard hook block steel wire rope. service platform ladder suitable brakes for all mottons fielxible trailing cable system for complete length with all standard fittings and fixtures, buffers including all safety devices and interlocking etc to meet the following requirement confroming to IS-807, IS-21

(a) Capacity :-

(i) 3 Ton with long travel approx not less than 20 meter

(ii) Cross travel not less than 12 meter

(iii) Hook height 7 meter from finished floor level

(b) Speed :-

(i) Hoisting - 3MPM

(ii) Creep-1/10 of main speed in all motions

(iii) LT-15MPM through VFD

(iv) CT -15 MPM through VFD

(c) Bridge :- The crane to be installed on existing bridge all as specified & directed by Engineer-in-Charge.

(d) End Carriages :- Box type construction and fabricated from rolled section

(e) LT Wheels :-Two No LT wheels/CT wheels single flanged for CT and double flanged for LT.

(f) Pinion/Axels :- Made from EN-9 and EN-24 (hard end ground )

(g) Gears :- As per IS-4460. made form EN-8 and supported on ball bearing.

(h) Bearings :- Two Nos heavy duty sealed ball bearings to be provided in each wheel for smooth functioning.

(j) Hooks :- Confirm to IS-3815 made from forged steel single sank swiveling type in construction.

(k) Hoist :- Chainpully block shall confirm to IS-3832 with triple spun gear and friction disc break (self activating type construction) load chain wheel made out of heavy duty SGI casting with accurately cast chain. Pockets load chain wheel mounted on two ball bearings. Bottom block made out of heavy duty malleable casting each block tested to 50% overload.

(l) Load Chain :- Grade 80 alloy steel as per IS-6216 (Note :- (i) The work under this item shall be got executed through any one of the following specialized firms) :-

(aa) V.S Industries (ab) Cranex (ac) Electromac (ad) Kone (ae) Rock well (af) JSO

(ii) Actual dimension for span/side clearance/head room clearance to be obtained on ground before commencement of fabrication works.

(iii) Quoted unit rate is demed to include provision of suitable ladder form FFL to crane level for case asses to crane.

(iv) Lifting hook of the crane should comprise of a safety locking mechanism

(v) Contractor's are advised to visit the site to ascertain the details before quoting rate.

(vi) Testing shall be carried out for all motions LT CT hoist at 25% overload as per ISI-3177 by the contractor and report shall be submitted to Engr-in-charge.

(vii) Crane to be installed on existing bridge and other structural members.

(NOTE:- CONTRACTOR HAS TO PROVIDE DETAILED PLAN OF DISMANTLING AND INSTLLING NEW CRANE ON EXISTING BEAM AND STRUCTRAL MEMBERS COMPLETE WITH DISMENSIONAL . DRAWING & LAYOUT PLAN DETAILS THE DETAILED LAYOUT/DRAWING SHALL BE APPROVED BY GE BEFORE COMMENCEMENT OF WORK.

Design, supply, erecting, testing & commissioning of electrically operated overhead travelling end supported crane 1.0 Ton capacity single girder span 11 mtr clear hook height 4 mtr type clash to with necessary steel structure track rails for LT & CT electric motors and gear driven long cross travel /hoisting mechanism VVVF control drivers for normal and micro speed control (micro motion only for hoist) operated from floor with pendent push button controls. movable independent DSL shrouded conductor system 415 volts. 3 phase 4 wire of appropriate capacity including current collector supporting brackets. insulators and other standard fixtures and fittings carriage with single fianged cylindrical wheels. standard hook block steel wire rope. service platform ladder suitable brakes for all mottons fielxible trailing cable system for complete length with all standard fittings and fixtures, buffers including all safety devices and interlocking etc to meet the following requirement confroming to IS-807, IS-21

(a) Capacity :-

(i) 1 Ton with long travel approx not less than 20 meter

(ii) Cross travel not less than 12 meter

(iii) Hook height 7 meter from finished floor level

(b) Speed :-

(i) Hoisting - 3MPM

(ii) Creep-1/10 of main speed in all motions

(iii) LT-15MPM through VFD

(iv) CT -12 MPM through VFD

(c) Bridge :- The crane to be installed on existing bridge all as specified & directed by Engineer-in-Charge.

(d) End Carriages :- Box type construction and fabricated from rolled section

(e) LT Wheels :-Two No LT wheels/CT wheels single flanged for CT and double flanged for LT.

(f) Pinion/Axels :- Made from EN-9 and EN-24 (hard end ground )

(g) Gears :- As per IS-4460. made form EN-8 and supported on ball bearing.

(h) Bearings :- Two Nos heavy duty sealed ball bearings to be provided in each wheel for smooth functioning.

(j) Hooks :- Confirm to IS-3815 made from forged steel single sank swiveling type in construction.

(k) Hoist :- Chainpully block shall confirm to IS-3832 with triple spun gear and friction disc break (self activating type construction) load chain wheel made out of heavy duty SGI casting with accurately cast chain. Pockets load chain wheel mounted on two ball bearings. Bottom block made out of heavy duty malleable casting each block tested to 50% overload.

(l) Load Chain :- Grade 80 alloy steel as per IS-6216 (Note :- (i) The work under this item shall be got executed through any one of the following specialized firms) :-

(aa) V.S Industries (ab) Cranex (ac) Electromac (ad) Kone (ae) Rock well (af) JSO

(ii) Actual dimension for span/side clearance/head room clearance to be obtained on ground before commencement of fabrication works.

(iii) Quoted unit rate is demed to include provision of suitable ladder form FFL to crane level for case asses to crane.

(iv) Lifting hook of the crane should comprise of a safety locking mechanism

(v) Contractor's are advised to visit the site to ascertain the details before quoting rate.

(vi) Testing shall be carried out for all motions LT CT hoist at 25% overload as per ISI-3177 by the contractor and report shall be submitted to Engr-in-charge.

(vii) Crane to be installed on existing bridge and other structural members.

(NOTE:- CONTRACTOR HAS TO PROVIDE DETAILED PLAN OF DISMANTLING AND INSTLLING NEW CRANE ON EXISTING BEAM AND STRUCTRAL MEMBERS COMPLETE WITH DISMENSIONAL . DRAWING & LAYOUT PLAN DETAILS THE DETAILED LAYOUT/DRAWING SHALL BE APPROVED BY GE BEFORE COMMENCEMENT OF WORK.

Disconnecting all electric connections from the existing BER crane and Dismounting the crane with motor, rope, hook, drum, & all accessories from the bridge carefully by using hydraulically operated/mechanical operated lift/machnical and deposting the crane with accessories to MES Storeyard complete all as specifie & directed.

M/s. Tojym Steel Products

BRIGHT TRADRES

Preetpowercontrol

CRANEX LIMITED

Dinesh Engineering Enterprises