Complete steel-frame hardwood-platform road goods semi-trailer manufacturing

1. Scope and Applicability

Manufacture of complete new non-self-loading/non-self-unloading straight steel-frame hardwood-platform road goods semi-trailers: site frame fabrication, declared finishing, hardwood deck fitting, purchased running gear/coupling/support and braking/lighting integration, factory acceptance. Declare one exact model/VIN and released configuration. This narrower boundary within CPC49229 does not cover every trailer type.

Exclude full trailers, agricultural self-loading/unloading trailers, box/curtainsider, refrigerated, tank, tipping, skeletal-only, extendible and powered loading configurations; tractor, independently sold parts, remanufacture and repair. Cargo, transport service/tonne-km, tractor use and fuel, loading operations, distribution, maintenance and end-of-life are outside the reference boundary. Factory acceptance/rework are manufacturing. No payload, service life or fuel-saving equivalence is assumed.

2. Product Category Identity

Field	Value
canonical_pcr_id	pcr.metal-products-machinery-and-equipment.transport-equipment.road-goods-semi-trailer
classification_refs	CPC:3.0:49229; narrower
covered_products	Manufacture of complete new non-self-loading/non-self-unloading straight steel-frame hardwood-platform road goods semi-trailers: site frame fabrication, declared finishing, hardwood deck fitting, purchased running gear/coupling/support and braking/lighting integration, factory acceptance. Declare one exact model/VIN and released configuration. This narrower boundary within CPC49229 does not cover every trailer type.
excluded_products	Exclude full trailers, agricultural self-loading/unloading trailers, box/curtainsider, refrigerated, tank, tipping, skeletal-only, extendible and powered loading configurations; tractor, independently sold parts, remanufacture and repair. Cargo, transport service/tonne-km, tractor use and fuel, loading operations, distribution, maintenance and end-of-life are outside the reference boundary. Factory acceptance/rework are manufacturing. No payload, service life or fuel-saving equivalence is assumed.
representative_product	One new accepted empty straight steel-frame hardwood-platform semi-trailer, with exact fitted headboard/posts, support, coupling and running/brake/electrical configuration. No universal axle count, hardwood species or payload assumed.
production_route	Steel stock/preformed parts; frame fabrication; actual finish; hardwood deck fitting; purchased equipment integration; factory test/weigh/release; actual protection.
market_state	Complete quality-released empty trailer, with declared fitted accessories/retained grease and air state; no tractor/cargo/persons, packing and detached spares excluded.

3. Reference Flow

Field	Value
What	Manufacture and factory acceptance of one declared complete hardwood-platform goods semi-trailer.
How much	1 kg accepted net complete trailer, normalized from one unit by measured M; not payload or tonne-km.
How well	Meet actual released drawing/BOM and model-specific frame/deck, coupling/support, running gear/brake and electrical acceptance plan. Preserve actual test/approval records where held; no brochure geometry, headboard rating or universal legal standard inherited.
How long or cycle	One manufacturing/acceptance cycle; no service life or transport performance denominator.
reference_flow_link	finished_machine

Field	Value
Reference amount	1
Reference product flow	Other trailers and semi-trailers (including trailers and semi-trailers for the transport of goods), except self-loading or self-unloading trailers or semi-trailers for agricultural purposes f5728d65-de1b-4498-9f66-bb8ffdacdc8f
Reference flow property	Mass 93a60a56-a3c8-11da-a746-0800200b9a66
Reference unit group	Units of mass 93a60a57-a4c8-11da-a746-0800200c9a66
Reference unit	kg
Required qualifiers	model/VIN/BOM revision; straight frame geometry/main-beam and crossmember grades/thickness/sections; stock versus bought-in modules; deck species/moisture/dimensions/treatment; surface formulation/route/make-or-buy; axle/suspension/brake/wheel/tyre part numbers and supplier-contained scope; coupling kingpin/interface and landing support; ABS versus other control; lighting/harness; exact fitted headboard/posts/hooks/accessories; empty delivery state and retained grease/air; measured M; accepted count/sites/period; current release plan/approval identifiers if held; utility/provider/transport/treatment coverage; detached spares and shipment protection excluded

All required qualifiers must be declared in the actual dataset. Category identity is restricted to this complete configured manufacturing output and provides no numerical production average. Missing qualifiers make the reference incomplete.

4. Measurement and Unit Rules

rule_id	Applies to	Required property	Required unit	Rule
reference_mass	reference product	Mass 93a60a56-a3c8-11da-a746-0800200b9a66	kg	M = accepted net mass of one complete unit of the same configuration in kg; collect using cp_mass.
electricity_units	frame_electricity; finish_electricity; deck_electricity; assembly_electricity; release_electricity	Net calorific value 93a60a56-a3c8-11da-a746-0800200c9a66	MJ	Meter actual below1kV grid-user energy; convert kWh to MJ using3.6MJ/kWh. Preserve actual provider/voltage; no mass or heat-carrier substitution.
tyre_count	pneumatic_tyre	Number of items 01846770-4cfe-4a25-8ad9-919d8d378345	Item(s)	Collect actual installed tyre count per accepted unit; retain items as numerator divided by M, resulting in items/kg. Measure tyre net mass separately for complete trailer mass balance; never relabel public count property Mass.

Bind weighing to empty complete VIN/model/BOM: no tractor, crew, cargo, temporary test ballast, shipment protection or detached spare. Record fitted headboard/posts/toolbox/spare-wheel status and retained grease/air delivery state separately. Accessories delivered detached are separate supply, outside M, with removal/attachment treatment disclosed. Catalogue tare, gross permissible mass and rated payload cannot replace measured M. Count-to-mass or volume-to-mass conversions for other supplies require actual same-part weight or measured density/moisture/temperature, never default density or part mass.

5. System Boundary

Boundary Abstraction

Field	Value
declared_starting_condition	Manufacturer receives steel stock/preformed parts, hardwood boards and released purchased running gear/coupling/brake/electrical parts. Steel rolling, sawmilling/drying and component manufacture are upstream unless explicit additional site modules are documented.
starting_condition_role	Declared trailer manufacturing foreground starting point.
product_classification_scope	Manufacture of complete new non-self-loading/non-self-unloading straight steel-frame hardwood-platform road goods semi-trailers: site frame fabrication, declared finishing, hardwood deck fitting, purchased running gear/coupling/support and braking/lighting integration, factory acceptance. Declare one exact model/VIN and released configuration. This narrower boundary within CPC49229 does not cover every trailer type.
recursive_input_rule	Purchased complete trailer cannot substitute for a component. Complete frame/deck/axle/brake modules replace contained site stocks/work/parts. Internal transfers do not become new external exchanges. Supplier-contained versus additionally fitted items must be reconciled.
upstream_dataset_requirement	Expanded assessment requires compatible supplier LCI for actual steel, timber, chemicals and components, utilities, outsourcing, inbound/intersite transport and treatment. UUID establishes identity, not amount/provider. This site foreground alone is not complete cradle-to-gate.
disclosure	model/VIN/BOM revision; straight frame geometry/main-beam and crossmember grades/thickness/sections; stock versus bought-in modules; deck species/moisture/dimensions/treatment; surface formulation/route/make-or-buy; axle/suspension/brake/wheel/tyre part numbers and supplier-contained scope; coupling kingpin/interface and landing support; ABS versus other control; lighting/harness; exact fitted headboard/posts/hooks/accessories; empty delivery state and retained grease/air; measured M; accepted count/sites/period; current release plan/approval identifiers if held; utility/provider/transport/treatment coverage; detached spares and shipment protection excluded

rule_id	applies_to	rule	source_ids
boundary_frame	frame	Dennison manufacture describes multiple steel grades and purchased running gear, not a universal alloy or fabrication recipe. Use actual drawing-defined cut/form/join route and component supply boundaries.	dennison-manufacture
boundary_deck	deck	Dennison standard-platform and independent Montracon standard-flat cases support hardwood-platform architecture. Record actual species/dimensions/moisture; no published board thickness or headboard rating becomes a default.	dennison-platform; montracon-flat
boundary_routes	inventory	Each card is one physical exchange and a route-specific candidate, not a mandatory universal bill of materials. For actual alternative coating, suspension, joining or outsourced route, add every specific supplied material, carrier, waste and evidenced release; record supported absence separately from missing data. Site utility production belongs once to actual measured utility modules.
boundary_service	release	Factory functional tests are manufacturing. Transport service and tractor operation outside those actual bounded tests are excluded; do not treat an unpowered semi-trailer as having mandatory engine exhaust.

6. Process Inventory Structure

Process Map

process_id	process_name	inclusion	inclusion_condition	role	quantitative_reference
frame	Steel frame fabrication	required	Receive steel stock and declared preformed parts; cut/drill/form/join main beams, crossmembers, side members and coupling/support interfaces according to released drawings. Purchased complete frame replaces its contained site material/work.	foreground	internal transfer; complete accepted trailer reference
finish	Frame surface preparation and finish	conditional	Include actual site operations only. Washing/epoxy/polyurethane/electric curing are specific conditional examples, not inferred universal requirements; supplied prefinished frame or outsourced treatment replaces contained operations.	foreground	internal transfer; complete accepted trailer reference
deck	Hardwood platform fitting	required	Fit actual declared hardwood boards and fastenings to frame. Manufacturer Keruing case does not prescribe species, board thickness or moisture for every trailer. Site machining versus purchased complete fitted deck explicitly separated.	foreground	internal transfer; complete accepted trailer reference
assembly	Running gear, coupling and equipment integration	required	Install exact released running gear, kingpin/landing support, brake and electrical equipment; declare suspension/control variants and installed load-securing accessories. Avoid duplicating supplier-contained components.	foreground	internal transfer; complete accepted trailer reference
release	Factory tests, acceptance and weighing	required	Perform actual drawing/model-specific dimensional, coupling/support, brake/leak, tyre/wheel, lighting/control and release inspections. Record rework, accepted counts and calibrated empty complete trailer M. No universal test pressure, braking threshold or headboard rating inferred.	foreground	finished_machine
packing	Shipment protection	conditional	Only actual individually measured protective supply, outside trailer M; record detached spares separately.	foreground	internal transfer; complete accepted trailer reference

Process: Steel frame fabrication (frame)

Receive steel stock and declared preformed parts; cut/drill/form/join main beams, crossmembers, side members and coupling/support interfaces according to released drawings. Purchased complete frame replaces its contained site material/work.

Inputs

Product flows

Steel Plate (frame_plate)

Conditional actual hot-rolled low-alloy high-strength thick plate for fabricated main-beam flanges/webs or coupling plate, with drawing grade/thickness and net issues. Other grades and purchased completed beams are separate exchanges, replacing contained plate/work.

• Selected flow: Steel Plate 421db3a5-394d-410b-8ebf-af23a37fc878
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_frame.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_frame

Finished steel crossmember channel (crossmember_channel)

Actual one purchased formed-channel crossmember specification, grade/section and net mass; local forming from plate replaces this purchase with exact stock and forming demand.

• Selected flow: Finished steel crossmember channel
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_frame.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_frame

Hot-rolled steel side-rave angle (siderave_angle)

Actual one angle section/grade/length and mass for side rave; brochure section dimensions are not a default. Distinct hooks, sockets and headboard members have their own BOM rows when not contained.

• Selected flow: Hot-rolled steel side-rave angle
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_frame.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_frame

Solid low-alloy steel MIG welding wire (solid_wire)

Conditional actual solid MIG wire grade/diameter and net issue for drawing-defined joins. Flux-cored or other weld routes require their own exact cards.

• Selected flow: Solid low-alloy steel MIG welding wire
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_frame.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_frame

Argon shielding gas (argon)

Conditional actual pure argon supply by measured net cylinder mass, only when released procedure uses this gas. Mixed shielding gas is a separate formulated exchange.

• Selected flow: Argon shielding gas
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_frame.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_frame

Alternating current (frame_electricity)

Actual below1kV grid-user cut/drill/form/join and extraction demand including rejects/rework; net meter energy. No generic steel-production electricity inserted in this site foreground.

• Selected flow: Alternating current 50657322-939c-4829-a87b-47c093bfa6a7
• Flow property / unit: Net calorific value 93a60a56-a3c8-11da-a746-0800200c9a66 / MJ
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_frame.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_frame

Outputs

Waste flows

Post-industrial steel scrap (steel_scrap)

Dry untreated segregated frame steel offcuts/swarf actually leaving site; reusable internal offcuts remain transfers with no avoided-steel credit.

• Selected flow: Post-industrial steel scrap c143745d-be4f-4d8f-b403-2dcbfe685349
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_frame.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_frame

Elementary flows

Particulate matter, particle size unspecified (weld_pm)

Only evidenced post-control cut/weld particulate to immediate outdoor unspecified air with unspecified size fraction. Captured metal dust is a separately identified waste; no assumed release factor.

• Selected flow: Particulate matter, particle size unspecified 0ce3dedb-caca-407b-a856-a90470eb8ec0
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_frame.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_frame

Process: Frame surface preparation and finish (finish)

Include actual site operations only. Washing/epoxy/polyurethane/electric curing are specific conditional examples, not inferred universal requirements; supplied prefinished frame or outsourced treatment replaces contained operations.

Inputs

Product flows

Tap water (wash_water)

Conditional externally supplied municipal washing/rinse make-up; internal recirculation is not repeated purchased supply.

• Selected flow: Tap water d1e0e36c-07f0-4a75-bdcb-efb5d9e2ac36
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_finish.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_finish

Sodium hydroxide solution, 50% (sodium_hydroxide)

Only actual50% supplied NaOH solution ingredient if present; supplied solution mass, not active NaOH or operating bath concentration. Alternative cleaners individually named.

• Selected flow: Sodium hydroxide solution, 50% 0a3e69c3-32c9-4cb8-b26c-21059c919d80
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_finish.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_finish

Formulated epoxy anticorrosion primer (epoxy_primer)

Conditional one actual supplied primer formulation/solids and net issue; separately supplied hardener/solvent are separate cards. Outsourced finish replaces contained site chemical/energy exchanges.

• Selected flow: Formulated epoxy anticorrosion primer
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_finish.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_finish

Formulated polyurethane chassis topcoat (pu_topcoat)

Conditional one actual supplied mixed polyurethane topcoat with SDS/resin/solvent/solids. Do not infer this route from a painted product photograph. Other finish chemistry separately represented.

• Selected flow: Formulated polyurethane chassis topcoat
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_finish.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_finish

Alternating current (finish_electricity)

Actual below1kV preparation/coating pumps/fans and electric curing. A non-electric heat route adds its own measured specific carrier and any evidenced releases.

• Selected flow: Alternating current 50657322-939c-4829-a87b-47c093bfa6a7
• Flow property / unit: Net calorific value 93a60a56-a3c8-11da-a746-0800200c9a66 / MJ
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_finish.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_finish

Outputs

Waste flows

Spent alkaline frame-washing solution for treatment (wash_effluent)

Conditional one actual wet alkaline purge with measured chemistry and treatment destination; not a water resource or assumed elementary water release.

• Selected flow: Spent alkaline frame-washing solution for treatment
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_finish.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_finish

Waste paint (paint_waste)

Conditional single formulated polyurethane topcoat overspray residue, actual wet collected mass to handler; primer residue, filters and sludge remain different streams.

• Selected flow: Waste paint 877e5a04-76c8-4c5b-ac4c-062f5beeb2bd
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_finish.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_finish

Elementary flows

xylene (all isomers) (xylene_air)

Only actual measured post-control xylene isomers CAS1330-20-7 to immediate outdoor unspecified air, established by SDS/speciation. Total VOC, pure m-xylene and water/soil/long-term identities differ.

• Selected flow: xylene (all isomers) fe0acd60-3ddc-11dd-ad91-0050c2490048
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_finish.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_finish

Process: Hardwood platform fitting (deck)

Fit actual declared hardwood boards and fastenings to frame. Manufacturer Keruing case does not prescribe species, board thickness or moisture for every trailer. Site machining versus purchased complete fitted deck explicitly separated.

Inputs

Product flows

Solid Keruing hardwood deck board (keruing_board)

Actual one purchased solid Keruing board supply with species, moisture, dimensions, machining/preservative state and received mass. Other hardwood species are separate identified rows, not assumed Keruing.

• Selected flow: Solid Keruing hardwood deck board
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_deck.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_deck

Steel screw (deck_screw)

Actual one deck-fixing screw released specification/grade/coating/dimensions and net mass. Different nuts, washers and bolt specifications get separate rows.

• Selected flow: Steel screw aa43b425-20e7-49c0-9ea9-ecf7b1004951
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_deck.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_deck

Alternating current (deck_electricity)

Actual below1kV board cut/drill/fit demand and extraction, including rejects. Purchased fully fitted deck replaces contained board/fastening/site-work inputs.

• Selected flow: Alternating current 50657322-939c-4829-a87b-47c093bfa6a7
• Flow property / unit: Net calorific value 93a60a56-a3c8-11da-a746-0800200c9a66 / MJ
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_deck.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_deck

Outputs

Waste flows

Untreated solid Keruing wood offcut for treatment (wood_offcut)

Actual segregated untreated solid board offcut at recorded moisture; exclude sawdust and treated/painted wood, which each require separate cards. Internal retained stock is not external waste.

• Selected flow: Untreated solid Keruing wood offcut for treatment
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_deck.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_deck

Process: Running gear, coupling and equipment integration (assembly)

Install exact released running gear, kingpin/landing support, brake and electrical equipment; declare suspension/control variants and installed load-securing accessories. Avoid duplicating supplier-contained components.

Inputs

Product flows

Finished steel semi-trailer coupling kingpin (kingpin)

Actual one released kingpin part number, coupling interface, grade/attachment and net mass. Tractor-side fifth-wheel saddle is outside trailer boundary.

• Selected flow: Finished steel semi-trailer coupling kingpin
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_assembly.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_assembly

Semi-trailer landing gear (landing_gear)

Actual one purchased complete landing-gear subassembly with declared included legs, cross-shaft, crank and supplier state; measure net mass. The identity narrative1% estimate is not an amount rule.

• Selected flow: Semi-trailer landing gear a3052c30-5951-4e1f-b8e7-321e582f7ae0
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_assembly.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_assembly

Axle assembly (axle_assembly)

Actual one released trailer axle assembly part number and received net mass; declare hubs/brakes/suspension included or excluded. Each different axle design separate, no universal axle count or rating.

• Selected flow: Axle assembly 7c212dac-58e0-4610-87e8-aa7b4cbdc437
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_assembly.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_assembly

Finished elastomer air suspension spring (air_spring)

Conditional actual separately supplied trailer air spring part number and net mass; omit if axle/suspension module contains it. Other spring architecture gets its own precise card.

• Selected flow: Finished elastomer air suspension spring
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_assembly.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_assembly

Finished spring air-brake chamber (brake_chamber)

Conditional separately supplied actual chamber part number and net dry mass, only when not contained in axle/brake module. Service-only chambers distinct.

• Selected flow: Finished spring air-brake chamber
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_assembly.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_assembly

Finished steel compressed-air brake reservoir (brake_reservoir)

Actual one released reservoir part number/capacity and net mass, excluding valves unless supplier explicitly contains them.

• Selected flow: Finished steel compressed-air brake reservoir
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_assembly.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_assembly

Finished pneumatic brake relay valve (brake_relay)

Actual one released relay valve part number and supplied mass; omit contained module valves, separately identify different valve functions.

• Selected flow: Finished pneumatic brake relay valve
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_assembly.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_assembly

Finished trailer ABS electronic controller (abs_controller)

Conditional actual released standalone ABS controller part number/version and net mass; EBS and combined valve/controller modules have distinct supply scopes. No universal ABS technology assumed.

• Selected flow: Finished trailer ABS electronic controller
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_assembly.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_assembly

Polyamide pneumatic brake tube (brake_tube)

Actual one polyamide tube grade/pressure/diameter/length and net mass. Separately purchased connectors or flexible rubber hoses receive separate rows.

• Selected flow: Polyamide pneumatic brake tube
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_assembly.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_assembly

Steel wheel rim for trailer (steel_wheel)

Actual one released trailer steel rim diameter/offset/load specification and supplied dry mass; exclude tyre and wheel already contained in a module.

• Selected flow: Steel wheel rim for trailer c111cb85-8ade-41b4-a334-393b24019136
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_assembly.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_assembly

Tire (pneumatic_tyre)

Actual one new rubber pneumatic trailer tyre specification, size/load and measured supplied item count. Preserve public Number of items; normalized quantity is items per kg trailer. Record actual tyre net mass separately for vehicle M reconciliation, no default tyre mass.

• Selected flow: Tire 11c2e97a-624f-41de-957d-543cddb777ef
• Flow property / unit: Number of items 01846770-4cfe-4a25-8ad9-919d8d378345 / Item(s)
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_assembly.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_assembly

Finished trailer LED rear combination lamp (tail_lamp)

Actual one complete released lamp part number/net mass with declared optical/electrical functions; separately supplied side markers are distinct products.

• Selected flow: Finished trailer LED rear combination lamp
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_assembly.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_assembly

Finished insulated copper trailer wiring harness (wiring_harness)

Actual one released end-tested harness part number, connectors/insulation/length and net mass. Intermediate formed harness not equivalent to complete tested supply.

• Selected flow: Finished insulated copper trailer wiring harness
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_assembly.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_assembly

Formulated mineral lithium lubricating grease (mineral_grease)

Conditional one actual supplier grease formulation/grade and net fill for factory lubrication; supplied-component retained grease already contained is not additional purchase.

• Selected flow: Formulated mineral lithium lubricating grease
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_assembly.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_assembly

Alternating current (assembly_electricity)

Actual below1kV lifting/assembly and tyre installation demand, including rework; compressed-air generation belongs to measured utilities and is not an added unspecified energy exchange.

• Selected flow: Alternating current 50657322-939c-4829-a87b-47c093bfa6a7
• Flow property / unit: Net calorific value 93a60a56-a3c8-11da-a746-0800200c9a66 / MJ
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_assembly.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_assembly

Process: Factory tests, acceptance and weighing (release)

Perform actual drawing/model-specific dimensional, coupling/support, brake/leak, tyre/wheel, lighting/control and release inspections. Record rework, accepted counts and calibrated empty complete trailer M. No universal test pressure, braking threshold or headboard rating inferred.

Inputs

Product flows

Alternating current (release_electricity)

Actual below1kV inspection/brake bench, leak/lighting checks and site air compressor load attributable to this trailer. Purchased compressed air requires its own explicit physical exchange and pressure/basis.

• Selected flow: Alternating current 50657322-939c-4829-a87b-47c093bfa6a7
• Flow property / unit: Net calorific value 93a60a56-a3c8-11da-a746-0800200c9a66 / MJ
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_release.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_release

Outputs

Product flows

Other trailers and semi-trailers (including trailers and semi-trailers for the transport of goods), except self-loading or self-unloading trailers or semi-trailers for agricultural purposes (finished_machine)

1kg normalized share of one complete new accepted empty straight steel-frame hardwood-platform road goods semi-trailer with exact fitted running gear, coupling, support, brakes/lights and declared delivery state. Category identity constrained by qualifiers; no transport service or generic trailer mix.

• Selected flow: Other trailers and semi-trailers (including trailers and semi-trailers for the transport of goods), except self-loading or self-unloading trailers or semi-trailers for agricultural purposes f5728d65-de1b-4498-9f66-bb8ffdacdc8f
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: 1 kg
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_mass

Process: Shipment protection (packing)

Only actual individually measured protective supply, outside trailer M; record detached spares separately.

Inputs

Product flows

Polyethylene film (pe_film)

Conditional actual PE protective film formulation/thickness/net mass outside trailer M; no mandatory whole-platform wrap.

• Selected flow: Polyethylene film e64eb06c-6dc9-45f1-b003-3dc6c44b27e2
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_packing.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_packing

Corrugated cardboard (corrugated_board)

Conditional one actual C/E/F-flute fiber≥80% recycled-containing board specification and net mass, outside M; other board specifications individually identified.

• Selected flow: Corrugated cardboard 8bde297e-98df-463f-bcb4-0db52bf6e0b5
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Apply normalize_mass to q_item; reference_mass; cp_packing.
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg reference flow; collected per one accepted finished unit
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_packing

7. Allocation and Co-product Handling

rule_id	applies_to	rule	source_ids
allocation_causal	shared_operations	Subdivide by model/site/work order first. Shared cut/weld, finish, board machining, lifting and testing use exchange-specific measured causal load/time or attributable demand from cp_allocation, reconciled to total supplied demand and excluded work. No default payload, axle count, trailer mass or deck-area allocation.
allocation_variants	variants	Separate frame geometry/grade, deck species/state, running/brake/control and finish variants; each normalized with its own measured M. Residual physical/economic fallback requires actual records, sensitivity and review, not a fabricated percentage. Rework/reject burdens remain with accepted production.
allocation_recovery	outputs	Internal steel, timber, paint and water recovery are transfers, not automatic avoided-production or recycling credits. External waste and treatment remain explicit. Marketable coproduct claims require measured quality/quantity and independently reviewed handling; no biogenic storage or future recycling credit from wood mass alone.

8. Foreground Data Collection, Calculation, and Quality Rules

Data Collection Protocols

protocol_id	process_id	flow_role	record_type	raw_fields	collection_method	unit	frequency	temporal_coverage	site_scope	aggregation_rule	quality_evidence
cp_mass	release	finished_machine	measurement	model; configuration; serial number; accepted net mass M	Weigh the accepted complete unit on a calibrated scale, excluding transport packaging; reconcile the same configuration and acceptance record.	kg	each VIN or traceable same-configuration batch	same declared manufacturing period	same empty accepted delivery configuration	accepted net mass per unit	vehicle scale calibration; empty/no-tractor state; fitted accessory and grease/air declaration; signed acceptance
cp_frame	frame	each atomic process row	measurement	drawing/steel grade/thickness; exact sections and make-or-buy; net issues/returns; weld procedure/wire/gas; kWh; rejected/reworked jobs; offcuts/captured dust; post-control particle concentration/flow/time/size	Weigh exact steel/consumables and outgoing segregated scrap; reconcile nesting and reusable stock. Meter actual job demand and sample outlet particulate with receiving-air/size conditions. Captured dust is separately named waste, not release.	kg; MJ	each work order/batch/VIN; monthly stock closure	complete declared year or justified shorter complete batch; matched accepted count	same configuration/sites; outsourcing disclosed	attributable exchange amount / accepted units	calibration; supplier/BOM release; stock/count closure; missing data log
cp_finish	finish	each atomic process row	measurement	supplier SDS/formulation/solids/concentration; net chemical/paint supply and recovery; retained film; purge/residue composition; kWh; outsourced scope; xylene speciation/air flow/time	Measure each actual supplied ingredient and separate wet waste stream; reconcile bath/paint stock, retained film and recovery. Sample post-control xylene species, never infer all VOC as xylene. Record actual alternative preparation/coating supplies individually.	kg; MJ	each work order/batch/VIN; monthly stock closure	complete declared year or justified shorter complete batch; matched accepted count	same configuration/sites; outsourcing disclosed	attributable exchange amount / accepted units	calibration; supplier/BOM release; stock/count closure; missing data log
cp_deck	deck	each atomic process row	measurement	wood species/supplier/machining/treatment; actual moisture and received mass; dimensions; screw specification/net mass; offcuts/sawdust/recovery; kWh	Weigh received boards and outgoing offcuts separately at recorded moisture. Reconcile fitted-board geometry/measurement and issues/returns with work orders; separately identify sawdust, captured dust and any evidenced outdoor wood particulate. No default timber density, yield or biogenic-carbon storage credit.	kg; MJ	each work order/batch/VIN; monthly stock closure	complete declared year or justified shorter complete batch; matched accepted count	same configuration/sites; outsourcing disclosed	attributable exchange amount / accepted units	calibration; supplier/BOM release; stock/count closure; missing data log
cp_assembly	assembly	each atomic process row	measurement	supplier scope/part numbers and released dry masses; axle/brake/suspension containment; wheel/tyre specifications/counts; tyre weighing; kingpin/support interfaces; air/electrical diagram; grease net fill; installed accessories; kWh	Reconcile each part and supplier-contained scope to VIN-bound released BOM and actual component weights. Count the exact new pneumatic tyre specification; retain Number of items for exchange and separate measured tyre mass for complete M balance. Record installation torque/alignment and actual lubricant fill.	kg; MJ; Item(s)	each work order/batch/VIN; monthly stock closure	complete declared year or justified shorter complete batch; matched accepted count	same configuration/sites; outsourcing disclosed	attributable exchange amount / accepted units	calibration; supplier/BOM release; stock/count closure; missing data log
cp_release	release	each atomic process row	measurement	VIN/configuration/test plan; coupling/support/brake/leak/light/control inspection and acceptance results; rework; accepted count; meter kWh/compressor attributable load; empty complete M; retained grease/air state	Record actual released test outcomes and utilities including rework. Weigh the empty complete delivered trailer; remove tractor, crew/cargo, temporary test ballast and packing. Report any factory road-test tractor/transport demand as separately measured explicitly bounded support, never trailer propulsion or assumed service fuel.	kg; MJ	each work order/batch/VIN; monthly stock closure	complete declared year or justified shorter complete batch; matched accepted count	same configuration/sites; outsourcing disclosed	attributable exchange amount / accepted units	calibration; supplier/BOM release; stock/count closure; missing data log
cp_packing	packing	each atomic process row	measurement	PE formulation/thickness/net mass; board flute/fiber/recycled content/mass; returns; detached spare list	Weigh each protective component separately outside M; retain spare and fitted-versus-detached accessory declarations.	kg	each work order/batch/VIN; monthly stock closure	complete declared year or justified shorter complete batch; matched accepted count	same configuration/sites; outsourcing disclosed	attributable exchange amount / accepted units	calibration; supplier/BOM release; stock/count closure; missing data log
cp_allocation	manufacturing	shared_load	measurement	total supplied demand; submeter load/time; served variants; excluded work	Measure exchange-specific causal demand/time and served work orders; justify driver and reconcile all shares to meter total.	MJ; h	each shared batch; monthly reconciliation	same production period	all served sites/variants	partition measured causal demand; attributable amount / accepted units	meter closure; sensitivity; uncertainty

Calculation Rules

rule_id	Applies to	Formula or rule	Inputs	Output	source_ids
normalize_mass	frame_plate; crossmember_channel; siderave_angle; solid_wire; argon; frame_electricity; steel_scrap; weld_pm; wash_water; sodium_hydroxide; epoxy_primer; pu_topcoat; finish_electricity; wash_effluent; paint_waste; xylene_air; keruing_board; deck_screw; deck_electricity; wood_offcut; kingpin; landing_gear; axle_assembly; air_spring; brake_chamber; brake_reservoir; brake_relay; abs_controller; brake_tube; steel_wheel; pneumatic_tyre; tail_lamp; wiring_harness; mineral_grease; assembly_electricity; release_electricity; pe_film; corrugated_board	q_ref = q_item / M; q_item = exchange amount per one accepted finished unit; q_ref = exchange amount per 1 kg reference flow.	q_item; M; cp_mass	q_ref

q_item is the attributable same-period/configuration net exchange divided by accepted complete units after stock, recovery, rejects and rework reconciliation. Divide by calibrated measured M while preserving kg, MJ or tyre Item(s) numerators. Counts/volumes used to obtain another row mass need actual part weighing or same-formulation measured density/moisture/temperature and explicit conversion. Mass reconciliation separately sums actual fitted materials/components and retained coating/lubricant; tyre count is not numerically added to kg. No assumed residual material or machine weight closes the balance. Compatible variants can be pooled only after separate normalization with disclosed measured weights and uncertainty.

Data Quality Requirements

requirement_id	Applies to	Requirement	Evidence
quality_identity	flows	Verify exact steel grade/form, timber species/moisture/treatment, supplied coating composition and component completeness. Preserve public properties and declared tyre count basis; do not substitute aggregate parts, transport service or tractor coupling plate for this product.	released drawings; supplier specifications/SDS; identity audit
quality_mass	finished_machine	Tie calibrated empty complete M to exact fitted headboard/posts/running gear/support/brake/lighting and retained grease/air state. Reconcile net stock/component mass and separately measured tyre mass; document residual uncertainty, not invented quantities.	VIN BOM; calibrated scale; stock closure; supplier containment
quality_acceptance	release	Retain actual frame/deck/coupling/support, axle/wheel/tyre, brake/leak, light/control and release records. Undated manufacturer quality claims, conflicting headboard ratings and historic weld-standard mentions are not current methodological acceptance limits.	signed current tests; actual approvals where held; instrument calibration
quality_coverage	dataset	Declare sites/period, supplier versions, primary coverage, uncertainty and measured/calculated/estimated/missing/excluded/not-applicable states. Each actual alternative route requires complete measured exchanges; architecture sources alone supply no plant LCI or default range.	work orders; meters; sampling conditions; route/coverage and missing-data register

9. Validation Rules

rule_id	applies_to	rule	source_ids
validation_reference	finished_machine	Require1kg complete output and cp_mass calibrated M linked to exact empty VIN/BOM and fitted delivery state. Payload, catalogue tare, permissible gross mass, axle rating, tractor mass and tonne-km cannot substitute.
validation_basis	inventory	Every applicable non-reference row uses normalize_mass and its declared protocol with matched count/period/configuration. Retain tyre Number of items and actual counted numerator; audit units and supplier mass conversion evidence separately.
validation_supply	components	Reconcile bought-in frame/deck/axle/brake modules and contained versus separately fitted parts; remove duplicate stocks/work/grease. Distinct fitted accessory and fastener designs require their own atomic rows. Necessary fabrication/assembly and conditional exchanges must be distinguishable.
validation_releases	elementary	Require actual substance, receiving medium/submedium and post-control outlet evidence for particulate and xylene; captured dust/purge remain separate wastes. Size-resolved fractions replace unspecified-size duplicates. Add other actual species individually when evidenced; do not invent trailer engine emissions or map NO to NO2/N2O.
validation_completeness	dataset	Declare unresolved identities, amounts, supplier/transport/treatment and alternative-route coverage. Complete per-product foreground records and applicable acceptance are required for use. Structural check pass neither approves methodology nor establishes complete cradle-to-gate.

10. Published Dataset Profile

Field	Value
dataset_role	foreground_manufacturing_module
downstream_use	secondary_dataset; background_dataset
allowed_use	Exact configured complete straight steel-frame hardwood-platform non-self-loading/non-self-unloading semi-trailer manufacture at declared sites/period. Expanded upstream assessment requires independent supplier/transport/treatment completeness.
excluded_use	Exclude full trailers, agricultural self-loading/unloading trailers, box/curtainsider, refrigerated, tank, tipping, skeletal-only, extendible and powered loading configurations; tractor, independently sold parts, remanufacture and repair. Cargo, transport service/tonne-km, tractor use and fuel, loading operations, distribution, maintenance and end-of-life are outside the reference boundary. Factory acceptance/rework are manufacturing. No payload, service life or fuel-saving equivalence is assumed.
required_metadata	model/VIN/BOM revision; straight frame geometry/main-beam and crossmember grades/thickness/sections; stock versus bought-in modules; deck species/moisture/dimensions/treatment; surface formulation/route/make-or-buy; axle/suspension/brake/wheel/tyre part numbers and supplier-contained scope; coupling kingpin/interface and landing support; ABS versus other control; lighting/harness; exact fitted headboard/posts/hooks/accessories; empty delivery state and retained grease/air; measured M; accepted count/sites/period; current release plan/approval identifiers if held; utility/provider/transport/treatment coverage; detached spares and shipment protection excluded
required_quality_disclosure	Current drawing/BOM and supplier containment; empty delivery configuration; actual M/counts; numerator units/count conversions; measured coverage, tests/rework/recovery/balances; allocation/uncertainty; identity and supplier/transport/treatment gaps; source limitations; review state.
update_trigger	Frame geometry/grade, hardwood species/state, finish/make-or-buy, running/brake/control/coupling/support supplier or configuration, accessories/delivery state, factory test/sites/utilities/period or resolution of evidence/identity gaps.

11. Data Sources

Source id	Type	Reference	Used for
dennison-platform	handbook	Dennison Standard Platform Trailer, undated official HTML, Standard Platform Trailer and Feature and Benefit Summary sections (no pagination). https://dennisontrailers.com/our-trailers/platforms/standard-platform-trailer/	Keruing platform, posts/sockets/headboard case architecture only. Conflicting19/17tonne headboard statements are not adopted; no thickness, dimensions, load rating, certification, weight, life or LCI factor prescribed.
montracon-flat	handbook	Montracon Versatile Flat Product Range, undated official HTML, Standard Flat Platform Trailers subsection; following Urban/PSK variants excluded, no pagination. https://montracon.com/flat-product-range/	Independent steel main-beam/side-rave and hardwood floor architecture only, not universal steel grade/geometry, hardwood species, payload/certification or numerical manufacturing inventory.
dennison-manufacture	handbook	Dennison Manufacture, undated official HTML, Manufacture paragraphs; no pagination. https://dennisontrailers.com/what-makes-a-dennison-trailer/manufacture/	Manufacturer-specific steel-grade diversity, bought-in running gear and quality/weld-inspection architecture only. Historical2012 system and EN25817 references do not establish current compliance or required standards. Actual drawings/records govern; no quantities adopted.