REPAIRS AND MAINT OF OH CRANES AND ALLIED WORKS AT ARMY AREA UNDER GE AVADI

Amount

Revised BOQ UPLOADED ON 20 Mar 2024

SCH "A" Part-I

Comprehensive repair / service / maintenance of electrically operated over head travelling (EOT) cranes comprising of hoist motor, long travel motor, cross travel motor, micro hoist, gear boxes, electrical control panel and other connected accessories installed at various workshops at Ordnance Depot, EME Workshops, loading / unloading bays at Ordnance Depot ,EME Workshops & Air force station including keeping the cranes operational round the clock of the following capacity complete all as specified and as directed by Engineer-in-Charge.

(a) EOT crane of 2.0 Ton capacity at CVD EME Workshop ("B" Vehicle repair), SM No-11057

(b) EOT crane of 2.0 Ton capacity at CVD EME Workshop ("B" Vehicle repair), SM No-11058

(c) EOT crane of 5.0 Ton capacity at CVD EME Workshop ("B" Vehicle repair), SM No-11060

(d) EOT crane of 10.0 Ton capacity at CVD EME Workshop ("B" Vehicle repair), SM No-11056

(e) EOT crane of 50.0 Ton capacity at Vehicle Depot shop at P-29 OD Avadi, SM No-214048

Note for BOQ Items No.1.01 to 1.05:-

(a) The scope of comprehensive maintenance comprises the following shall be read in conjunction with particular specifications here-in-after and rate quoted shall be deemed to include for the same :-

(i) The repairs / servicing / maintenance works for EOT cranes including hoist hook universal type and shall be carried out by trained / skilled technicians and shall conform to standard engineering practice / code and as per the standard code / norms of Government and minor repairs.

(ii) Attending to any breakdown within 24 hours and restoring the service.

(iii) Insurance coverage for all technicians, workers involved in the works

(iv) Record / maintain register of all maintence carried out.

(v) Adherence to safety rules and regulations in respect of EOT cranes.

(vi) Adherence to security rules and regulations of the Ordnance Depot.

(vii) A list of makes / brands of spares / materials to be incorporated in the works shall be got approved immediately after receiving the work order.

(viii) All tools, instruments and plants required for carrying out the above works shall be provided by the contractor.

(ix) All consumables like cotton waste, grease (but excluding wire rope compound, gear box oil, hydraulic gear oil, transformer oil which shall be measured and paid for separately) required for the maintenance of the EOT cranes shall be provided by the contractor.

(x) Replacement of unserviceable major parts as detailed here-in-after shall be measured separately.

Note :- The maintenance Schedule as per APPX enclosed.

Inspection of EOT cranes by any Central /State Govt Approved Safety authorities and testing on load for proper function and safety all as per standard testing procedure laid down and submission of test certificate in triplicate of the following capacity complete all as specified and as directed by Engineer-in-Charge.

(a) EOT crane of 2.0 Ton capacity at CVD EME Workshop ("B" Vehicle repair), SM No-11057

(b) EOT crane of 2.0 Ton capacity at CVD EME Workshop ("B" Vehicle repair), SM No-11058

(c) EOT crane of 5.0 Ton capacity at CVD EME Workshop ("B" Vehicle repair), SM No-11060

(d) EOT crane of 10.0 Ton capacity at CVD EME Workshop ("B" Vehicle repair), SM No-11056

(e) EOT crane of 50.0 Ton capacity at Vehicle Depot Workshop at P-29 OD Avadi, SM No-214048

S&F 3 pole power contactor type MNX 70 Amps including taking down the old one complete all as specified and as directed.

S&F 3 pole power contactor type MNX 45 Amps including taking down the old one complete all as specified and as directed.

S&F 3 pole power contactor type MNX 9 Amps including taking down the old one complete all as specified and as directed.

S&F 3 pole power contactor type ML 3 - 40 Amps including taking down the old one complete all as specified and as directed.

S&F 3 pole auxillary contactor type ML 1.5 - 25 Amps including taking down the old one complete all as specified and as directed.

S&F Thermal over load relay 20 to 32 Amps including taking down the old one complete all as specified and as directed.

S&F Electronic timer 12-20 seconds including taking down the old one complete all as specified and as directed.

S&F Electromagnetic brake size 100 mm dia-set of 02 Nos including taking down the old one complete all as specified and as directed.

S&F Electromagnetic brake size 150 mm dia-set of 02 Nos including taking down the old one complete all as specified and as directed.

S&F Electromagnetic brake size 200 mm dia-set of 02 Nos including taking down the old one complete all as specified and as directed.

S&F hoist rotary type limit switch including taking down the old one complete all as specified and as directed.

S&F LT, CT limit switch including taking down the old one complete all as specified and as directed.

S&F Thrustor brake 18 kg torque for hoist, LT, CT of 2 Tom, 5 Tom, 10 Ton, 50 Ton on cranes including taking down the old one complete all as specified and as directed.

S&F Thrustor brake 34 kg torque for hoist, LT, CT of 2 Tom, 5 Tom, 10 Ton, 50 Ton on cranes including taking down the old one complete all as specified and as directed.

S&F break liner metalic type 10 mm thick of 250 mm dia (set of 2) including taking down the old one complete all as specified and as directed.

S&F DSL indication LED lamp red, yellow, blue (3 Phase), 440V, CMK/DIL3P including taking down the old one complete all as specified and as directed.

S&F Pendant box for 12 way button station including taking down the old one complete all as specified and as directed.

S&F Rail type timer 10 to 30 sec including taking down the old one complete all as specified and as directed.

S&F Kit kat fuse holders & fuse bases suitable for cylindrical/din fuse links 6 to 32 Amps including taking down the old one complete all as specified and as directed.

S&F Steel wire rope 22 mm thick structure 6/37 inner fibre strands including taking down the old wire rope complete all as specified and as directed.

S&F Steel wire rope 12 mm thick structure 6/19 inner fibre strands including taking down the old wire rope complete all as specified and as directed.

S&F Steel wire rope 10 mm thick structure 6/19 inner fibre strands including taking down the old wire rope complete all as specified and as directed.

Taking down the existing unserviceable PVC insulated and sheathed flexible cable, copper conductor of size 4 core, 10 sqmm and taken on credit and replacing with new PVC insulated and PVC sheathed cable, copper conductor of size 4 core, 10 sqmm, multistranded 1100 volts grade complete all as specified and as directed.

Taking down the existing unserviceable PVC insulated and sheathed flexible cable, copper conductor of size 4 core, 6 sqmm and taken on credit and replacing with new PVC insulated and PVC sheathed cable, copper conductor of size 4 core, 6 sqmm, multistranded 1100 volts grade complete all as specified and as directed.

Taking down the existing unserviceable PVC insulated and sheathed flexible cable, copper conductor of size 4 core, 4 sqmm and taken on credit and replacing with new PVC insulated and PVC sheathed cable, copper conductor of size 4 core, 4 sqmm, multistranded 1100 volts grade complete all as specified and as directed.

Taking down the existing unserviceable PVC insulated and sheathed flexible cable, copper conductor of size 4 core, 2.5 sqmm and taken on credit and replacing with new PVC insulated and PVC sheathed cable, copper conductor of size 4 core, 2.5 sqmm, multistranded 1100 volts grade complete all as specified and as directed.

Taking down the existing unserviceable PVC insulated and sheathed flexible cable, copper conductor of size 16 core, 1.5 sqmm and taken on credit and replacing with new PVC insulated and PVC sheathed cable, copper conductor of size 16 core, 1.5 sqmm, multistranded 1100 volts grade complete all as specified and as directed.

Material and Labour for taking down the following unsv 3 phase squirrel gauge/slipring induction motor AC 415 Volts, from its original position dismantling carefully and servicing the motor and replacing the worn out ball bearing, applying the grease lubricant testing and, re-assembling including refixing the same in its original position all as directed by Engineer-in-Charge.

Renewal / Repair works to Hoist hook universal type including renewal of worn-out bearing for 5.0 Ton capacity EOT crane complete all as specified and as directed.

Renewal / Repair works to Hoist hook universal type including renewal of worn-out bearing for 10.0 Ton capacity EOT crane complete all as specified and as directed.

Renewal / replacement of DSL bus bar type carbon brush - Set of 04 Nos for EOT crane complete all as specified and as directed.

Renewal / replacement of connectors from 6 Amps to 100 Amps complete all as specified and as directed.

Renewal / replacement of hoist pendulum switch complete all as specified and as directed.

Renewal / replacement of safety buzzer 250 W complete all as specified and as directed.

Repairs to gear box assembly of hoist Long Travel of 2.0 Ton capacity EOT crane by disconnecting / dismantling from its position, draining out old unserviceable oil, dismantling the gear box completely, inspecting, removing and renewal of worn out bearing, oil seals, gasket kits and carry out machine work at machine shop as required, assembling back, refilling with new lubricating oil of grade C320 up to required level (Approx 30 Litres), shifting back to work site, refixing in original in position by connecting all accessories, testing and operating for satisfactory functioning complete all as specified and as directed by Engineer-in-Charge.

Repairs to gear box assembly of hoist Long Travel of 10.0 Ton capacity EOT crane by disconnecting / dismantling from its position, draining out old unserviceable oil, dismantling the gear box completely, inspecting, removing and renewal of worn out bearing, oil seals, gasket kits and carry out machine work at machine shop as required, assembling back, refilling with new lubricating oil of grade C320 up to required level (Approx 30 Litres), shifting back to work site, refixing in original in position by connecting all accessories, testing and operating for satisfactory functioning complete all as specified and as directed by Engineer-in-Charge.

Repairs and maintenance to longitudinal motion DSL (Down shop lead) system by dismantling the clamps at 15m height, cleaning the bus bars with Carbon Tetra Chloride solution, refixing clamps and renewing the damaged clamps (Approx 100 Nos) of same size and material, removing and renewing the unserviceable current collector shoe of 4 Nos in the bus bar DSL systems and testing for satisfactory operation of EOT crane complete all as specified and as directed by Engineer-in-Charge.

Renewal / replacement of festoon system for cable trolly of 50.0 Ton capacity EOT crane complete all as specified and as directed by Engineer-in-Charge.

Supply only Wire rope compound for EOT crane.

Supply only gear oil 90 / 140 W suitable for EOT crane.

Supply only Transformer oil 48KV dielectric strength suitable for EOT crane.

M&L for replacement of existing Unsv Electrical Earthing complete with GI plate Electrode of size 60 Cm X 60 Cm X 6 mm thick buried directly in ground vertically at a depth not less than 2.25 mtr. Below normal ground level, with top edge of earth plate at a depth not less than 1.5 mtr. below normal ground level , connected to galvanised earth lead with 4.0 mm thick GI wire by means of bolts, nuts and washers of galvanised iron , earth lead wire protected by means of 15 mm bore dia light grade GI pipe up to switch board / panel board , all as specified and shown in MES schedule Electrical Plate No:-5 of SSR Part I, including excavation and earth work in any type of soil , PCC 1 : 2 : 4 type C1 in chamber , RCC 1:2:4 type C1 40 mmthick cover slab with 6 mm dia MS bars at 100 mm centre to centre both ways, with 6 mm dia MS hook, Charcoal dust, salt , funnel for watering complete all as specified and as directed by Engr-in-Charge.

RASI AND COMPANY