Category,Comparison line item,What to compare,Normalization method,Why it matters,Priority,Supplier A,Supplier B,Supplier C,Adjustment / notes
Scope,Supply boundary,"List exactly what each bidder includes: crane, hoist, runway, DSL, panel, erection, commissioning, load test.",Mark Included / Excluded / Optional for each supplier. Add estimated cost for missing items.,Scope gap cost,Required,,,,
Scope,Crane configuration,"Single girder, double girder, underslung, gantry, semi-gantry, open winch or standard hoist arrangement.",Do not compare different crane types as equal. Record configuration and why proposed.,Technical equivalence,Required,,,,
Scope,Quantity and bay coverage,"Number of cranes, bays covered, travel length, crane-to-crane interaction.",Normalize per crane and per bay. Separate extra bay electrification or rail work.,Total project cost,Required,,,,
Crane duty,Duty class declared,FEM/ISO/IS class or vendor-defined duty selection.,Require each bidder to state duty class and calculation basis. Penalize vague 'standard duty'.,Lifecycle risk,Required,,,,
Crane duty,Operating pattern,"Lifts per hour, shifts per day, load spectrum and production criticality.",Check whether vendor design matches the same use pattern from RFQ.,Premature wear risk,Required,,,,
Crane duty,Future load allowance,Any growth margin or occasional overload expectation.,Only compare added margin if all bidders include it. Do not pay for hidden oversizing unless useful.,Over/under specification,Recommended,,,,
Component brands,Hoist make and model,"Hoist or crab make, model/series, capacity, reeving and duty.","Compare brand, model, duty, service support and spare availability, not brand name alone.",Serviceability,Required,,,,
Component brands,Motor makes,"Hoist, CT and LT motor make, kW, RPM, insulation, enclosure and duty.",Record exact make and rating. Flag unbranded motors or missing datasheets.,Reliability,Required,,,,
Component brands,Brake makes,"Hoist and travel brake make, type, torque rating and fail-safe action.","Normalize on brake torque margin, access, spare availability and datasheet quality.",Safety and downtime,Required,,,,
Component brands,Gearbox and wheel assemblies,"Gearbox make, ratio, service factor, wheel material/hardness, bearings.",Ask for makes and ratings. Missing gearbox/wheel details are a comparison risk.,Maintenance cost,Recommended,,,,
Structural weights,Bridge dead weight,Approximate bridge/crane dead weight and wheel load basis.,Compare weight only with context: heavier is not automatically better; check design basis and runway impact.,Runway/civil impact,Required,,,,
Structural weights,Girder design basis,"Deflection limit, camber, plate thickness, box/beam construction and stiffener approach.",Record stated deflection basis and whether walkway/platform is included.,Structural suitability,Recommended,,,,
Structural weights,Wheel loads,Maximum and minimum wheel loads for existing/new runway design.,Require wheel load table. Normalize if runway is buyer scope vs vendor scope.,Civil interface risk,Required,,,,
Speeds,Hoist speed,"Main and creep hoist speeds, VFD/two-speed/single-speed control.",Compare productivity and positioning needs. A cheaper single-speed offer may not be equivalent.,Productivity,Required,,,,
Speeds,Cross travel speed,"Trolley speed, acceleration and speed control method.",Normalize speed and control method for positioning-sensitive applications.,Operator control,Recommended,,,,
Speeds,Long travel speed,"Bridge travel speed, acceleration, soft start and braking method.",Check long bay productivity and load swing control.,Throughput and safety,Recommended,,,,
Controls,Control method,"Pendant, radio remote, cabin, dual control or pendant backup.","Treat radio remote, spare transmitter, batteries and pendant backup as separate comparison lines.",Operator ergonomics,Required,,,,
Controls,Control panel quality,"Panel enclosure, wiring, labels, PLC/VFD/contactors, protection and terminal plan.",Require panel BOM and drawings. Normalize branded vs generic controls.,Troubleshooting speed,Recommended,,,,
Controls,Interlocks and operating logic,"Emergency stop, limit bypass rules, anti-collision, tandem or zone control.","Compare functional safety scope, not just hardware names.",Safety function gap,If applicable,,,,
Installation,Unloading and erection,"Who arranges unloading, lifting equipment, scaffolding, manpower and erection tools?",Convert exclusions into cost and schedule impact before comparing price.,Hidden site cost,Required,,,,
Installation,Commissioning,"Electrical termination, limit setting, trial runs, operator training and handover.",Separate mechanical erection from commissioning. Many quotes include one but not the other.,Startup risk,Required,,,,
Installation,Site readiness assumptions,"Power, access, shutdown window, foundation/runway readiness and permits.",List buyer responsibilities and vendor dependencies clearly.,Schedule delay risk,Recommended,,,,
Transport,Freight basis,"Ex-works, FOR site, FOB, CIF, DAP or other delivery basis.","Normalize to landed cost at site, including insurance and special transport if needed.",Landed cost,Required,,,,
Transport,Route and handling constraints,"Long girder transport, road permits, entry timing, gate size and unloading space.","Add cost for route survey, escorts, permits, unloading cranes or night movement where required.",Delivery risk,Recommended,,,,
Runway scope,Runway beam included,"Runway beams, brackets, columns, rails, clips, buffers and end stops.",Do not compare a crane-only offer with a crane-plus-runway offer without adding missing scope.,Major scope gap,Required,,,,
Runway scope,Rail alignment and survey,"Existing rail survey, alignment correction, grout, clips and rail replacement.","For existing bays, add inspection/alignment scope as a separate comparison line.",Derailment/wear risk,Recommended,,,,
Electrical scope,Power feeding point,"Incoming isolator, cable route, panel location and buyer/vendor termination boundary.","Normalize who supplies power cable, cable tray, glands, earthing and terminations.",Electrical site cost,Required,,,,
Electrical scope,DSL/busbar/festoon,"Conductor type, current rating, bay length, feed points, collectors and voltage drop.","For multiple cranes or long bays, require voltage-drop calculation and feed-point basis.",Reliability and voltage drop,Required,,,,
Electrical scope,Lighting/hooter/safety wiring,"Warning lights, hooter, E-stop wiring, anti-collision wiring and safety circuits.",Add missing safety wiring to comparison cost.,Safety completion,Recommended,,,,
Testing,FAT,"Factory acceptance test scope, witness option, no-load checks and document release.",Compare whether FAT is included and what evidence is delivered before dispatch.,Pre-dispatch risk,Recommended,,,,
Testing,SAT and load test,"Site acceptance, no-load test, load test, overload test if applicable, brake and limit checks.","Normalize load test responsibility, test weights and report format.",Acceptance risk,Required,,,,
Testing,Third-party inspection,"Inspection agency, load test certification or statutory requirements.","If needed, add agency fee, coordination and document scope.",Compliance cost,If applicable,,,,
Documentation,Drawings,"GA drawing, wheel loads, electrical drawings, panel layout and as-built drawings.",Score quotes higher when drawing submission stages are clear and tied to approvals.,Approval control,Required,,,,
Documentation,Design/calculation records,"Design basis, motor/brake sizing, rope selection, wheel loads, DSL voltage drop.","Treat calculation summary as a quality signal, especially for non-standard cranes.",Engineering confidence,Recommended,,,,
Documentation,O&M and handover,"Manuals, certificates, spare list, warranty certificate, test reports and maintenance schedule.",Hold final payment against document completion if possible.,Handover closure,Required,,,,
Warranty,Warranty period,"Months from dispatch, installation or SAT; parts/labor/travel coverage.",Normalize warranty start point and what costs are covered.,After-sales risk,Required,,,,
Warranty,Service response,"Call attendance time, local technician availability, remote support and spare lead time.",A longer warranty is weak if response time is undefined.,Downtime risk,Recommended,,,,
Warranty,Excluded warranty items,"Wear parts, misuse, electrical supply issues, third-party modifications.",Record exclusions so warranty promises are comparable.,Claim rejection risk,Recommended,,,,
Taxes,Tax basis,GST/VAT/sales tax/import duty and whether taxes are included or extra.,Compare tax-exclusive and tax-inclusive prices on one landed-cost basis.,Commercial comparability,Required,,,,
Taxes,Currency and exchange,"Currency, exchange rate validity and import cost exposure.","For imported offers, normalize currency risk and duties.",Price movement risk,If applicable,,,,
Taxes,Payment milestone tax impact,"Advance, dispatch, installation and retention milestones.",Check tax invoicing and cash-flow impact by milestone.,Cash flow,Recommended,,,,
Exclusions,Explicit exclusion schedule,"Civil works, runway, power cable, unloading, test weights, statutory approvals, permits, taxes, travel.",Every bidder must provide an exclusion list. Blank exclusion list should not be assumed complete.,Hidden cost,Required,,,,
Exclusions,Deviation list,Technical and commercial deviations from RFQ.,Reject silent deviations. Require signed deviation schedule before PO.,Wrong PO scope,Required,,,,
Exclusions,Assumptions and dependencies,"Site readiness, buyer-provided materials, working hours, shutdown availability.","Convert assumptions into obligations, costs or schedule risks.",Execution risk,Required,,,,