Section,Specification field,Buyer question,How to specify it,Vendor response required,Priority,Buyer input,Vendor response,Deviation / notes
Capacity,Rated capacity / SWL,What is the maximum safe working load in tonnes?,State SWL in metric tonnes. Include future load growth only if it is a real requirement.,Vendor to confirm rated capacity and design basis.,Required,,,
Capacity,Typical load handled,What load is handled most often?,"Record usual operating load, not only maximum load.",Vendor to use for duty and fatigue assumptions.,Recommended,,,
Capacity,Load description,What is being lifted?,"Describe coils, dies, machinery, containers, molten metal, molds, bundles, etc.",Vendor to check hook/block/attachment suitability.,Required,,,
Capacity,Below-hook attachment,"Is a hook enough or is a C-hook, magnet, grab, tong or spreader needed?",List attachment weight and dimensions if known.,Vendor to include attachment interface and added dead load.,If applicable,,,
Span,Crane span,What is the rail-center to rail-center span?,Measure runway rail centers or required building bay span.,Vendor to use for bridge girder design.,Required,,,
Span,Runway availability,Is there an existing runway beam/rail?,"Mention new runway, existing runway, or vendor to inspect.",Vendor to state runway assumptions and exclusions.,Required,,,
Span,Hook approaches,How close must the hook reach to each side?,Record left/right hook approach limits if machines/walls matter.,Vendor to state end approach and side approach.,Recommended,,,
Lift,Lift height,What vertical hook travel is required?,Distance from lowest hook position to highest required hook position.,"Vendor to size hoist, rope drum and reeving.",Required,,,
Lift,Headroom constraints,"Are there roof, beam or equipment obstructions?","Provide clear height, lowest roof member and required top hook position.",Vendor to propose standard or low-headroom arrangement.,Recommended,,,
Lift,Pit or below-floor lift,Does hook need to go below floor level?,Mention pit depth or below-floor pickup point.,Vendor to check rope/drum turns and lower limit.,If applicable,,,
Duty,Operating hours,How many hours per day will the crane operate?,State shifts/day and approximate active crane-use hours.,Vendor to state selected duty class.,Required,,,
Duty,Lifts per hour or shift,How frequent are lifting cycles?,Estimate average and peak cycles.,Vendor to check FEM/ISO/IS duty selection.,Required,,,
Duty,Production criticality,What happens if the crane stops?,"Low, medium or high criticality; mention line stoppage risk.",Vendor to recommend redundancy/spares/service plan.,Recommended,,,
Duty,Expected duty class,Do you know required M-class/FEM/IS class?,"If unknown, describe use pattern instead of guessing.",Vendor to declare class and basis.,Required,,,
Speeds,Hoisting speed,How fast should the load lift/lower?,Mention normal and creep speed if positioning is delicate.,Vendor to quote hoist speed and control method.,Required,,,
Speeds,Cross travel speed,How fast should trolley travel?,Include slow speed need near machines or assembly fixtures.,Vendor to quote speed and VFD/two-speed basis.,Recommended,,,
Speeds,Long travel speed,How fast should bridge travel?,Include bay length and operator visibility.,Vendor to quote speed and acceleration approach.,Recommended,,,
Structural scope,Crane type,Which crane type is expected?,"Single girder, double girder, underslung, gantry, semi-gantry, jib, or vendor to recommend.",Vendor to confirm crane type suitability.,Required,,,
Structural scope,Bridge girder scope,Who supplies bridge girder and end carriages?,State complete crane supply or hoist-only supply.,Vendor to include/exclude structure clearly.,Required,,,
Structural scope,Runway beam and rail scope,"Are runway beams, rails, clips and end stops included?",Separate civil/building scope from crane vendor scope.,"Vendor to state supply, installation and alignment scope.",Required,,,
Structural scope,Walkway/platform requirement,Is maintenance access walkway needed?,Mention statutory/site preference and access restrictions.,"Vendor to include walkway, handrails and access ladders if needed.",If applicable,,,
Hoist,Hoist type,"Wire rope hoist, open winch crab or chain hoist?",Use wire rope/open winch for most EOT crane applications; chain for smaller workshop needs.,Vendor to state hoist type and make.,Required,,,
Hoist,Reeving and falls,What rope reeving arrangement is proposed?,Buyer may leave blank if unsure.,"Vendor to state reeving, rope diameter and fall arrangement.",Vendor response,,,
Hoist,Hook block,What hook/block details are required?,"Ask for hook grade, latch, swivel, sheaves and markings.",Vendor to submit hook block details.,Required,,,
Hoist,Wire rope,What rope construction and safety factor are proposed?,"Ask vendor to state rope construction, grade, MBF and standard basis.",Vendor to provide rope datasheet.,Required,,,
Motors,Hoist motor,"What motor make, rating and duty are proposed?","Ask for kW, RPM, insulation class, enclosure, starts/hour and brake details.",Vendor to provide motor datasheet.,Required,,,
Motors,Travel motors,What CT/LT motors are proposed?,Ask for geared motor or motor+gearbox arrangement.,"Vendor to state make, kW, duty and enclosure.",Required,,,
Motors,Ambient conditions,"Any high temperature, dust or outdoor exposure?",State ambient temperature and contaminants.,Vendor to adjust motor enclosure/insulation.,Recommended,,,
Brakes,Hoist brake,What brake type and torque margin are included?,"Ask for fail-safe brake, brake make and torque rating.",Vendor to state brake type and torque.,Required,,,
Brakes,Travel brakes,Are CT/LT brakes included?,"For VFD drives, clarify braking approach and holding requirement.",Vendor to include/exclude clearly.,Recommended,,,
Brakes,Manual release/access,Can brake be inspected and released safely?,Ask for maintenance access and manual release provision if needed.,Vendor to state access arrangement.,Recommended,,,
VFDs,Hoist VFD,Is smooth hoisting control required?,"Use when positioning, load swing control or process sensitivity matters.","Vendor to state VFD make, braking method and protections.",If required,,,
VFDs,Travel VFDs,Are CT/LT VFDs required?,"Useful for jerk reduction, long travel and operator control.",Vendor to state VFD make and speed range.,Recommended,,,
VFDs,Dynamic braking resistor,Is DBR included where needed?,Ask vendor to state DBR rating for hoist/travel drives.,Vendor to provide DBR sizing basis.,If applicable,,,
Controls,Control method,"Pendant, radio remote, cabin, or multiple?",State preferred operator interface and fallback mode.,Vendor to include complete control system.,Required,,,
Controls,Control voltage,What control voltage is required?,Common options include 24V/48V/110V AC/DC depending on design.,Vendor to state control voltage.,Required,,,
Controls,Panel scope,What should be inside the electrical panel?,"Ask for MCCB/MCB, contactors/VFD, overloads, terminal marking, panel enclosure.",Vendor to provide panel BOM and drawings.,Required,,,
Radio remote,Radio remote requirement,Is radio remote required?,"Mention number of transmitters, emergency stop, spare battery/charger and operating range.",Vendor to quote make/model and approvals.,Recommended,,,
Radio remote,Pendant backup,Is pendant backup needed with radio remote?,Useful for maintenance or remote failure.,Vendor to include pendant backup if requested.,Recommended,,,
Radio remote,Frequency/interference risk,Any nearby radio systems or multiple cranes?,Mention multiple cranes in same bay or plant.,Vendor to address pairing and interference.,If applicable,,,
Power supply,Incoming power,"What voltage, phase and frequency are available?","Example: 415V, 3-phase, 50Hz. Include voltage fluctuation if known.",Vendor to design electricals accordingly.,Required,,,
Power supply,Feeding point,Where will power be fed from?,"Mention panel location, bay end/center feed and cable route.",Vendor to state power interface and exclusions.,Required,,,
Power supply,Earthing and protection,What earthing/protection is available?,Ask for earthing requirement and protective device coordination.,Vendor to state requirements.,Recommended,,,
DSL,DSL/busbar type,What conductor system is required?,"Shrouded busbar, DSL, festoon or cable reel depending on crane and bay.","Vendor to state type, make and current rating.",Required,,,
DSL,DSL length and feed points,What is bay length and feed location?,"For long bays/multiple cranes, mention all cranes sharing the line.",Vendor to calculate voltage drop and feed points.,Required,,,
DSL,Collectors,What collector arrangement is included?,"Ask for collector rating, quantity and spare collector shoes.",Vendor to itemize collectors and spares.,Recommended,,,
Safety devices,Upper/lower limit switches,Are hoist limits included?,Ask for geared/rotary/backup limits for hoist where needed.,Vendor to itemize limits.,Required,,,
Safety devices,Travel limit switches,Are CT/LT travel limits included?,Needed to prevent end impacts and overtravel.,Vendor to itemize limit switches.,Required,,,
Safety devices,Overload limiter,Is overload protection included?,"Ask for load cell/mechanical overload device, display and cutoff logic.",Vendor to specify type and set point.,Required,,,
Safety devices,Anti-collision / zone protection,Are multiple cranes in one bay?,"Mention same runway, tandem operation or restricted zones.",Vendor to propose anti-collision/zone system.,If applicable,,,
Safety devices,Warning devices,"Are hooter, flasher and siren included?",State plant safety requirements.,Vendor to include audible/visual warnings.,Recommended,,,
Painting,Surface preparation,What surface prep is required?,Ask for cleaning/blasting standard or vendor standard.,Vendor to state surface prep method.,Required,,,
Painting,Paint system,What primer/topcoat and DFT are required?,Mention indoor/outdoor/corrosive environment and color preference.,Vendor to state paint system and DFT.,Required,,,
Painting,Color and marking,Any color coding or safety marking?,"Include hook block, moving parts, SWL marking and danger zones.",Vendor to include marking scope.,Recommended,,,
Documentation,GA drawing,Is general arrangement drawing required before manufacturing?,"Should show span, lift, approaches, wheelbase, clearances and loads.",Vendor to submit for approval.,Required,,,
Documentation,Design basis / calculations,What calculations must be submitted?,"Ask for design basis, wheel loads, motor/brake sizing, rope selection and DSL voltage drop.",Vendor to submit calculation summary.,Recommended,,,
Documentation,Electrical drawings,Are wiring/control drawings required?,"Include panel layout, power circuit, control circuit, terminal plan.",Vendor to submit drawings.,Required,,,
Documentation,Manuals and certificates,What handover documents are needed?,"O&M manual, test certificates, material certificates where applicable, warranty, spare list.",Vendor to list handover documents.,Required,,,
Testing,FAT,Is factory acceptance testing required?,"Define what is checked before dispatch: no-load test, function test, documents.",Vendor to submit FAT plan and report.,Recommended,,,
Testing,SAT / commissioning test,What site acceptance tests are required?,"No-load, load test, overload test if applicable, limits, brakes, controls and safety devices.",Vendor to submit SAT plan and report.,Required,,,
Testing,Load test weights,Who arranges test weights?,"Clarify test load, weights, slings and responsibility.",Vendor to include/exclude test weights.,Required,,,
Installation,Erection scope,Who installs the crane?,"Separate unloading, lifting equipment, erection, rail alignment, electrical termination and commissioning.",Vendor to state scope and exclusions.,Required,,,
Installation,Site readiness,What must buyer provide?,"Power, access, shutdown, crane/forklift support, civil readiness, permits.",Vendor to list buyer obligations.,Required,,,
Installation,Working permits and safety,What site safety rules apply?,"Mention height work, hot work, PPE, induction and work timing restrictions.",Vendor to include compliance plan.,Recommended,,,
Warranty,Warranty period,What warranty is required?,Common basis: 12 months from commissioning or 18 months from dispatch.,Vendor to state period and start point.,Required,,,
Warranty,Service response,What response time is needed?,Mention criticality and acceptable attendance time.,Vendor to commit response time.,Recommended,,,
Warranty,Spares support,What spares should be quoted?,"Ask for commissioning spares, two-year spares and critical spares.",Vendor to quote itemized spares.,Recommended,,,
Commercial exclusions,Exclusion list,What is excluded from the offer?,"Require explicit exclusions for civil work, runway, power cable, test weights, taxes, freight, unloading, permits.",Vendor to submit signed exclusion list.,Required,,,
Commercial exclusions,Deviation statement,Does the vendor deviate from RFQ?,Require technical and commercial deviations in one schedule.,Vendor to state all deviations; silent deviations not accepted.,Required,,,
Commercial exclusions,Payment milestones,What payment terms are proposed?,"Tie payment to drawing approval, dispatch, installation, SAT and document handover.",Vendor to submit milestones.,Required,,,
Commercial exclusions,Delivery timeline,What is delivery time from drawing approval?,"Separate manufacturing, dispatch, erection and commissioning duration.",Vendor to state timeline and dependencies.,Required,,,