Irrigation and flood control waterworks delivery

Lifecycle status: Candidate
Content maturity: Authored methodology
Current version: 0.1.0Last updated2026-10-07
Readiness: Review required

Methodology and translation states come from the source record; publishing this website does not change their review status.

Content languages

zh-CN · Aligned

Status, classification and source details

Readiness

Warnings methodology_not_reviewed Authored methodology is candidate guidance and still requires methodology review.

Classification mapping

CPC 3.0:53234 · exact

Source

library/pcrs/constructions-and-construction-services/constructions/irrigation-and-flood-control-waterworks-deliverysha256:6392a3b4ab53…

1. Scope and Applicability

This PCR describes the actual construction and accepted physical delivery of irrigation and flood-control waterworks, not a construction service, annual water delivery or a basket of building materials. A dataset defines one functional, spatially bounded works: an irrigation canal/distribution/drainage system, a flood conveyance/control scheme, a polder/storage/pumping system, or a combined works whose complete delivered configuration is stated. Earth/unlined, concrete/precast/brick/asphalt/membrane-lined, flexible/vegetated and actual underground routes are conditional options. No one structure, material or technology is universal. The intended function and commissioning interfaces determine the entity, not a classification leaf. Sources: unsd-cpc-3-2025; fao-irrigation-system; hk-dsd-stormwater-2018.

Exclude independently delivered supply-only aqueducts/conduits, navigation harbours/waterways, standalone dams and water-retaining structures, coastal/waterside embankments, standalone pipelines, crop production, treatment plants and separately sold equipment/materials. Integral banks/protection, hydraulic crossings, headworks, control/pump chambers and delivered access are retained where they physically belong to the declared irrigation/flood system. A multipurpose or independently classified dam/embankment/component is declared with a non-overlapping interface and separate applicability decision; this PCR must not erase it, automatically absorb it, or double count it. Actual rehabilitation is allowed only with retained/prior assets and all new/removal work explicitly stated.

The main boundary is construction-to-accepted-handover. Manufacture of bought materials/equipment, delivery transport, site work, later operation/maintenance/renewal and final demolition remain separately identifiable. No complete cradle-to-gate or whole-life claim follows from the foreground alone. Real project measurements and acceptance records supply engineering quantities, configurations and criteria; historical descriptive sources supply no default lifespan, mix, mass, design load, efficiency or approval.

2. Product Category Identity

Field	Value
canonical_pcr_id	pcr.constructions-and-construction-services.constructions.irrigation-and-flood-control-waterworks-delivery
classification_refs	CPC 3.0 53234; Irrigation and flood control waterworks
covered_products	Accepted physical irrigation and flood-control works with declared complete functional/spatial configuration and interfaces, including their actual integral channels, drainage, storage, control, pumping and civil components.
excluded_products	Supply-only conduits; navigation facilities; independently delivered dams/embankments/pipelines; materials, machine manufacture and construction services; crop output and operational water service.
representative_product	One configured irrigation or flood-control works accepted at its actual site, extent, function, geometry and commissioned state. No representative numeric recipe is assumed.
production_route	Actual enabling/earthworks, integral bank/filter/drainage and selected lining/structure/underground route, control/pumping installation, utilities and waste handling, reinstatement/testing and handover.
market_state	Complete accepted civil works at the defined site and interfaces; delivered components and prior retained assets explicitly listed.

3. Reference Flow

Field	Value
What	Provide the declared physical hydraulic works ready for its stated irrigation, flood-control or combined function at handover.
How much	One complete accepted works at the declared project extent; actual canal/drain length and cross-sections, protected/irrigated area, storage volume and pump/conveyance capacity are measured qualifiers, not prescribed defaults.
How well	Actual project-specific hydraulic, geotechnical, structural, water-control and commissioning requirements evidenced in cp_acceptance; retain water levels/head, leakage and operating configuration where relevant, rather than claiming universal flood protection.
How long or cycle	One actual construction/commissioning-to-handover cycle, with real start/end and test dates. No future service life is set; any operational assessment period is separately evidenced.
reference_flow_link	reference_waterworks

Field	Value
Reference amount	1
Reference product flow	Delivered irrigation and flood control waterworks
Reference flow property	Number of items `01846770-4cfe-4a25-8ad9-919d8d378345`
Reference unit group	Units of items `5beb6eed-33a9-47b8-9ede-1dfe8f679159`
Reference unit	item
Required qualifiers	project/site identity; physical delivery limits and inlet/outlet interfaces; irrigation/flood-control/combined purpose; complete delivered and prior-retained asset schedule; actual route/technology; surveyed chainage, cross-section, slope and levels; actual irrigated/protected area with definition; actual flow/head/storage/pump capacity where relevant; structural/material/water-quality conditions; test criteria, conditions and evidence; construction and handover dates; upstream/transport/site/later-phase boundary; shared asset attribution; missing identity and environmental coverage

All required qualifiers must be declared in dataset metadata, reference-flow description or equivalent records. Here item is the display alias for the public unit-group reference Item(s), not a material mass or an arbitrary count of canal sections. A contract-defined independently functioning delivery is allowed only if its complete interfaces and limits are retained; constituent gates, pumps and sections remain internal to the same reference works.

4. Measurement and Unit Rules

rule_id	Applies to	Required property	Required unit	Rule
reference_count	reference product	Number of items `01846770-4cfe-4a25-8ad9-919d8d378345`	item	Use cp_acceptance to confirm one complete accepted physical works of the same declared configuration and extent. Each input/output is per declared reference flow; measured length/area/capacity is supplemental and may not silently replace the denominator. No whole-works mass is invented.
geometry_mass	imported_earth_fill; filter_sand; riprap_rock; reinforcing_steel; power_cable	Mass `93a60a56-a3c8-11da-a746-0800200b9a66`	kg	Keep actual geometry and material state. Where quantities are collected by volume, area, length or count but this row reports mass, use actual matching measured/certified density, areal mass, unit mass or cross-section/length; retain moisture, temperature and configuration. No default density, per-project/per-kilometre mass, shrinkage or mixture.
geometry_volume	purchased_concrete; precast_lining_slab; precast_jacking_pipe; tunnel_lining_segment	Volume `93a60a56-a3c8-22da-a746-0800200c9a66`	m3	Keep the actual measured received/installed volume and matching component/material state; retain dimensions and voids. Count/length/area-to-volume needs actual geometry, and mass-to-volume needs actual matching density. Preserve a public Volume identity as Volume; no default dimensions, density, mix or per-project volume.
geometry_area	membrane_hdpe; grass_sod	Area `93a60a56-a3c8-19da-a746-0800200c9a66`	m2	Keep actual purchased and installed area with overlaps/offcuts and delivered thickness/specification. Preserve Area for an area-based identity. Any mass conversion requires the same actual lot’s measured/certified areal mass or thickness and density; no universal factor and no silent mass property replacement.
energy_identity	electricity_lv_cn; electricity_mv_cn; electricity_other	Net calorific value `93a60a56-a3c8-11da-a746-0800200c9a66`	MJ	Preserve the public Net calorific value reference property and energy unit group. Use 3.6 MJ/kWh for meter units. This does not imply a fuel heating value; fuel mass/volume-to-energy requires the actual fuel value and state.
water_state	tap_water_hk; supplied_water_other; groundwater_abstraction; river_abstraction; water_release_fresh	Volume `93a60a56-a3c8-22da-a746-0800200c9a66`	m3	Measure each actual liquid stream with its source, destination, quality and temperature/state. L to m3 uses 0.001 m3/L; kg conversion needs real density. Keep supply, natural abstraction, liquid waste and direct release separate. No tap-water screening density or boiler/normal-volume assumption.
transport_basis	road_freight	Goods transport (mass*distance) `838aaa20-0117-11db-92e3-0800200c9a66`	t*km	Use actual measured payload and route distance with 1000 kg/t, retaining load, empty-return and supplier-gate evidence under cp_transport. Different modes and included logistics require separate handling, not a default distance.

Flow-property and unit-group support relations

Flow property	Unit group	Public reference unit
Mass `93a60a56-a3c8-11da-a746-0800200b9a66`	Units of mass `93a60a57-a4c8-11da-a746-0800200c9a66`	kg
Volume `93a60a56-a3c8-22da-a746-0800200c9a66`	Units of volume `93a60a57-a3c8-12da-a746-0800200c9a66`	m3
Area `93a60a56-a3c8-19da-a746-0800200c9a66`	Units of area `93a60a57-a3c8-18da-a746-0800200c9a66`	m2
Net calorific value `93a60a56-a3c8-11da-a746-0800200c9a66`	Units of energy `93a60a57-a3c8-11da-a746-0800200c9a66`	MJ
Number of items `01846770-4cfe-4a25-8ad9-919d8d378345`	Units of items `5beb6eed-33a9-47b8-9ede-1dfe8f679159`	Item(s)
Goods transport (mass*distance) `838aaa20-0117-11db-92e3-0800200c9a66`	Units of goods transport `838aaa21-0117-11db-92e3-0800200c9a66`	t*km

5. System Boundary

Boundary Abstraction

Field	Value
declared_starting_condition	Actual site/topography, soil/groundwater and retained asset condition; incoming materials/components at explicitly stated gates; temporary diversion and access arrangements declared before construction.
starting_condition_role	foreground construction starting interface, with prior assets and upstream manufacture separate
product_classification_scope	Irrigation/flood-control physical works context, CPC 3.0 53234; component and multipurpose classifications reviewed at explicit interfaces, not automatically inherited.
recursive_input_rule	An incoming same-category works/component with prior construction burden is recorded at its real interface, with existing/new scope and a compatible upstream dataset. Do not recursively reproduce its construction or create a duplicate final output.
upstream_dataset_requirement	Actual material/component manufacture, supply water/electricity, transport and actual waste treatment need compatible geography/time/technology, properties and inclusion boundaries. Identity alone does not supply these burdens. Missing upstream data remains a named gap.
disclosure	Report actual site, complete delivery/retained configuration, route, temporary works, water/land interfaces, upstream links/gaps, shared manufacture scope, direct emission evidence and excluded later lifecycle.

rule_id	Applies to	Rule	source_ids
construction_delivery	dataset	The core foreground covers actual site preparation through construction, fitting, testing, removal of temporary works, reinstatement and accepted physical handover. Record delivered incoming products at their real interfaces. Cement/steel/aggregate/pump manufacture is upstream; only actual site batching, placement or assembly is foreground. Link compatible upstream manufacturing and delivery datasets to extend coverage, but label this foreground result as construction-to-handover, not a complete cradle-to-gate or whole-life result.	`usbr-crow-construction`
purpose_and_interfaces	reference_waterworks	Preserve the actual irrigation or flood-control purpose and independently operable extent. Identify canal/drain chainage and cross-sections, protected/irrigated area definition, inlet/outlet and water levels, documented flow/storage/pumping capacity, control and maintenance access delivered. These are project measurements/requirements, not fixed PCR numbers. Exclude standalone water-supply conduits, navigation/port facilities, dams/water-retaining structures and coastal/waterside embankments; for multipurpose or integral components, declare a non-overlapping package/interface and review classification separately rather than removing real construction.	`unsd-cpc-3-2025`; `hk-dsd-stormwater-2018`
route_completeness	all inventory rows	Required process blocks require an actual activity/completeness assessment, not all listed materials. Conditional routes remain conditional: earth or lined irrigation; rigid, flexible or vegetated flood channels; storage/polder/pumping; open-cut or underground hydraulic connections. Add each actual missing product, chemical, energy carrier, support element, packaging piece, waste and measured environmental species as a separate atomic row with properties, unit, protocol and route evidence. Significant piling, ground treatment, tunnelling, shotcrete, hydraulic transport or other real operations require their own process detail before a dataset can be complete; a sparse example route cannot represent another technology.	`fao-irrigation-system`; `usbr-crow-construction`; `hk-dsd-stormwater-2018`
temporary_and_prior_assets	dataset	Account actual cofferdams, temporary diversion/roads, dewatering/treatment, support works and their removal/recovery once. Distinguish native retained assets, imported assemblies and new work. A rehabilitation delivery must retain prior structure/interface and record actual enabling demolition and replacement; do not charge the retained old asset as a newly manufactured input or erase its history. Shared machinery/formwork manufacture, when included, follows the cumulative share ledger.	`usbr-crow-construction`
later_lifecycle	dataset	Only post-handover operational irrigation deliveries, flood events, pumping energy, leakage/seepage, operating-reservoir/soil processes, desilting, maintenance, renewal and final demolition are outside the core construction delivery. Actual pre-acceptance initial filling, commissioning, land disturbance and resulting supported inundation/land-carbon/release pathways stay inside their real construction/test site and period. Record baseline, flooded area, dates and measurements; unsupported pathways remain explicit gaps, not moved into excluded operation. Keep later actual or explicit future scenarios separate with evidenced period, activity, replacements, treatment and fate. No default service life, flood recurrence, saved crop output or avoided flood damage.	`fao-irrigation-system`; `hk-dsd-stormwater-2018`; `ipcc-flooded-land-2019`
environmental_boundary	site_utilities; construction_wastes	Distinguish supplied technosphere water, direct river/groundwater resource abstraction, contained liquid waste sent for treatment and actual elemental release to a named receiving medium. Separate recirculation from crossing flows and record storage, rainfall/river diversion and return volumes so abstraction is not equated with consumption. Record noise as site/receptor/time/frequency and sound-level evidence outside mass exchanges until a suitable metric and identity are established; do not convert dB to kg or assume a universal noise emission. Actual land clearing/occupation changes and contaminant releases require separate supported environmental exchanges or explicit gaps, not an assumed zero.	`epa-concrete-washout-2012`; `epa-construction-dust-1995`; `usbr-crow-construction`

6. Process Inventory Structure

Process Map

process_id	process_name	inclusion	inclusion_condition	role	quantitative_reference
site_earthworks	Site preparation, earthworks and temporary water control	required	Inspect actual clearing, excavation, grading, borrow and internal reuse; cofferdam/diversion/dewatering only where performed.	foreground_production	per declared reference flow
banks_drainage	Integral banks, filters, protection and subsoil drainage	conditional	Where the selected waterworks includes integral banks/flood protection, filters, revetment or drains; not a separate standalone dam/embankment output.	foreground_production	per declared reference flow
lining_structures	Lining and hydraulic civil structures	conditional	Where real lined canals, headworks, storage, walls, culverts or pumping civil structures are delivered; route/materials from actual design.	foreground_production	per declared reference flow
underground_conveyance	Integral underground hydraulic conveyance	conditional	Only actual hydraulic tunnels, jacking drives or shafts inside the works; preserve excavation, ground-support, face conditioning, lining and water-control route.	foreground_production	per declared reference flow
controls_installation	Fixed water-control and pumping installation	conditional	When the delivery configuration includes gates, flap valves, pumps, actuators, instruments or fixed electrical systems.	foreground_production	per declared reference flow
site_utilities	Construction plant, utilities, transport and direct environmental exchanges	required	All construction and acceptance stages; each exchange is conditional on actual occurrence and source/interface.	foreground_production	per declared reference flow
construction_wastes	Construction waste segregation, recovery and transfer	required	Inspect all construction, testing and in-scope replacement stages; record each real stream and destination, including non-applicability evidence.	foreground_production	per declared reference flow
handover	Verification, reinstatement and physical acceptance	required	Always confirm completeness, functional interfaces, actual geometry, defects and acceptance; testing consumption remains stage-coded under utilities/wastes.	delivery	per declared reference flow

Process blocks are accounting responsibilities, not a compulsory material recipe. A row occurs only under its stated physical conditions. Tag shared utility, plant and waste records to the originating work stage; count them once even if a subcontracted complete service supplies the same stage. Extend this map with every real significant unlisted operation and its atomic exchanges before asserting dataset completeness.

Process: Site preparation, earthworks and temporary water control (`site_earthworks`)

Inspect actual clearing, excavation, grading, borrow and internal reuse; cofferdam/diversion/dewatering only where performed.

Inputs

Product flows

Uncontaminated natural soil fill (`imported_earth_fill`)

Only imported natural soil actually received for canal banks, foundations or integral flood-protection components. Record soil classification, source, moisture, grading, compaction specification and measured received mass. Reused excavation within the same project is an internal movement, not a second purchased soil input.

Selected flow: Uncontaminated natural soil fill
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_earthworks, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_earthworks
Sources: usbr-crow-construction; hk-dsd-stormwater-2018

Waste flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Elementary flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Outputs

Product flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Waste flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Elementary flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Process: Integral banks, filters, protection and subsoil drainage (`banks_drainage`)

Where the selected waterworks includes integral banks/flood protection, filters, revetment or drains; not a separate standalone dam/embankment output.

Inputs

Product flows

Washed natural silica filter sand (`filter_sand`)

Only where this specified sand is installed in a real filter or drainage layer. Preserve grain-size distribution, mineral identity, contamination and water content; sand used in a concrete recipe is accounted separately within that recipe.

Selected flow: Washed natural silica filter sand
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_materials, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_materials
Sources: hk-dsd-stormwater-2018

gravel 2/32 (`filter_gravel`)

Use this identity only for actual undried 2/32 gravel from a wet/dry quarry production mix at plant, with measured moisture and grading meeting the project filter specification. Verify delivery to the site separately. Other size fractions, processed drainage media and mixtures require separate identities; this row does not mandate a 2/32 filter.

Selected flow: gravel 2/32 4f19a2fb-7b3b-11dd-ad8b-0800200c9a66
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_materials, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_materials
Sources: hk-dsd-stormwater-2018

rock (`riprap_rock`)

Only natural rock supplied as a production mix at plant and actually installed for riprap, rubble protection or stone masonry. Obtain rock type, piece-size grading, durability specification, placement geometry and actual accepted mass; the general rock identity supplies no armour stability, sizing or density rule. Record quarry processing and transport in compatible upstream data.

Selected flow: rock 8e0f2838-6d58-433c-975c-7d2cb5878a2d
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_materials, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_materials
Sources: usbr-crow-construction; hk-dsd-stormwater-2018

Galvanized steel gabion mesh (`gabion_mesh`)

Only when galvanized steel mesh baskets are used for flexible channel protection. Record wire/coating specification and basket dimensions; record rock separately, avoiding duplication with a purchased filled-gabion dataset.

Selected flow: Galvanized steel gabion mesh
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_materials, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_materials
Sources: hk-dsd-stormwater-2018

Live grass sod for channel stabilization (`grass_sod`)

Only actual planted sod in a grass-lined or restored channel bank. Record species, area, soil attached to the sod, establishment work and delivered survival/coverage requirements. Seed, fertilizer, irrigation for establishment and other real inputs each need their own row if used; later landscape maintenance is excluded.

Selected flow: Live grass sod for channel stabilization
Flow property / unit: Area 93a60a56-a3c8-19da-a746-0800200c9a66 / m2
Amount rule: Collect the actual attributable quantity in this row unit using cp_materials, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_materials
Sources: hk-dsd-stormwater-2018

Polypropylene nonwoven drainage geotextile (`geotextile_pp`)

Only specified polypropylene nonwoven geotextile used as filter/separator beneath protection or around drainage. Record polymer, areal mass, thickness, overlap and installed area; convert area to purchased mass only using the actual roll certificate or weighing. Polymer fabric names alone do not establish this component.

Selected flow: Polypropylene nonwoven drainage geotextile
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_materials, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_materials
Sources: usbr-crow-construction

Perforated HDPE subsoil drainage pipe (`drain_pipe_hdpe`)

Only actual perforated HDPE pipes in a subsoil drain. Record diameter, wall class, perforation geometry, length and measured mass or certified mass per actual length. The pipeline is an integral drain component; standalone water or sewer pipeline projects are a separate scope.

Selected flow: Perforated HDPE subsoil drainage pipe
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_materials, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_materials
Sources: hk-dsd-stormwater-2018

Waste flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Elementary flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Outputs

Product flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Waste flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Elementary flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Process: Lining and hydraulic civil structures (`lining_structures`)

Where real lined canals, headworks, storage, walls, culverts or pumping civil structures are delivered; route/materials from actual design.

Inputs

Product flows

Fresh ready-mixed hydraulic concrete (`purchased_concrete`)

Only concrete received fresh for in-situ channel lining, headworks, floodwalls, storage structures, pump chambers or culverts. Record approved project mix, delivery tickets, placed volume, reinforcement scope, curing, rejected/returned quantities and site additions. The confirmed Cast-In-Place Concrete record describes site pouring/mixing, not this unplaced purchased mixture. Do not duplicate its constituents when upstream concrete manufacture is linked.

Selected flow: Fresh ready-mixed hydraulic concrete
Flow property / unit: Volume 93a60a56-a3c8-22da-a746-0800200c9a66 / m3
Amount rule: Collect the actual attributable quantity in this row unit using cp_concrete, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_concrete
Sources: usbr-canal-concrete-2017

Cement, portland cement (`portland_cement`)

Only actual gray powdered Portland cement supplied as a factory production mix for site batching of concrete, mortar or grout. Check the real binder and grade; blended cements and special binders require their own identities. Record measured recipe and separately supplied sand, coarse aggregate, water and every identified admixture; do not assume a default mix or repeat cement already included in purchased concrete.

Selected flow: Cement, portland cement 3c9e98a5-0a1e-4a18-9545-1475a87fcab7
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_concrete, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_concrete
Sources: usbr-canal-concrete-2017

Hot rolled rebar steel (`reinforcing_steel`)

Use only actual hot-rolled low-alloy reinforcement with carbon content no greater than 0.2%, supplied as factory production mix, matching the public identity and the project bar certificate. Other alloy/strength/coating routes require re-selection. Measure receipts, cutting schedules, installed steel and offcuts; precast elements may already include reinforcement.

Selected flow: Hot rolled rebar steel 43050e3b-42be-465c-a021-17f606484151
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_concrete, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_concrete
Sources: usbr-crow-construction

Precast concrete canal lining slab (`precast_lining_slab`)

Only delivered precast canal slabs actually fitted into the lining. Preserve geometry, concrete type, reinforcement and upstream component boundary; count/area/volume conversion requires actual dimensions. A floor slab or generic concrete material is not automatically this canal component.

Selected flow: Precast concrete canal lining slab
Flow property / unit: Volume 93a60a56-a3c8-22da-a746-0800200c9a66 / m3
Amount rule: Collect the actual attributable quantity in this row unit using cp_concrete, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_concrete
Sources: usbr-canal-concrete-2017; hk-dsd-stormwater-2018

Fired clay canal lining brick (`brick_lining`)

Conditional brick-lined canal route, supported by the historical FAO description. Record actual brick composition, firing/state, dimensions, installed amount and separate mortar. This is one option, not a required lining for all waterworks.

Selected flow: Fired clay canal lining brick
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_concrete, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_concrete
Sources: fao-irrigation-system

Hydraulic asphalt concrete lining mixture (`asphalt_lining`)

Only the actual hydraulic asphalt-concrete canal lining route. Record binder grade, aggregate grading, mixture certificate, installed geometry, actual heating/paving activities and losses. Do not use ordinary road paving data without demonstrating waterworks formulation and interface applicability.

Selected flow: Hydraulic asphalt concrete lining mixture
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_concrete, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_concrete
Sources: fao-irrigation-system

HDPE hydraulic geomembrane (`membrane_hdpe`)

Only an actual HDPE membrane lining with known thickness, roll identity, installed/overlap area and seam testing. Do not infer density. The inspected 2 mm sheet from a South Korean soil-remediation biopile is not a confirmed hydraulic membrane identity.

Selected flow: HDPE hydraulic geomembrane
Flow property / unit: Area 93a60a56-a3c8-19da-a746-0800200c9a66 / m2
Amount rule: Collect the actual attributable quantity in this row unit using cp_concrete, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_concrete
Sources: usbr-crow-construction

Construction formwork plywood (`formwork_plywood`)

Only actual plywood formwork. Record panel specification, same-panel reuse history, manufacturing attribution, damage and removal; allocate manufacture conservatively across evidenced uses without resetting at each project. Steel forms, liners, release agents and curing materials require their own actual rows if used.

Selected flow: Construction formwork plywood
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_shared_assets, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_shared_assets
Sources: usbr-crow-construction

EPDM elastomeric joint waterstop (`waterstop_epdm`)

Only where an actual EPDM waterstop is installed at water-retaining joints. Record polymer, profile, width, length, mass and joint location. PVC waterstops, sealants and coating formulations are different exchanges and must not be merged into this row.

Selected flow: EPDM elastomeric joint waterstop
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_concrete, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_concrete
Sources: usbr-canal-concrete-2017

Waste flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Elementary flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Outputs

Product flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Waste flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Elementary flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Process: Integral underground hydraulic conveyance (`underground_conveyance`)

Only actual hydraulic tunnels, jacking drives or shafts inside the works; preserve excavation, ground-support, face conditioning, lining and water-control route.

Inputs

Product flows

Reinforced concrete hydraulic jacking pipe (`precast_jacking_pipe`)

Only an integral hydraulic crossing or flood-conveyance drive actually installed by jacking. Record internal/external diameter, wall geometry, pipe count and joints, hydraulic grade and reinforcement inclusions. The DSD route is an example, not permission to assign transport-tunnel criteria or a universal alignment tolerance.

Selected flow: Reinforced concrete hydraulic jacking pipe
Flow property / unit: Volume 93a60a56-a3c8-22da-a746-0800200c9a66 / m3
Amount rule: Collect the actual attributable quantity in this row unit using cp_underground, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_underground
Sources: hk-dsd-stormwater-2018

Precast reinforced concrete hydraulic tunnel lining segment (`tunnel_lining_segment`)

Only a segmentally lined hydraulic tunnel route within the delivered works. Record tunnel/shaft extent, excavated section, segment geometry and accepted installed volume, joint/seal details and component manufacture interface. Do not replace the complete waterworks reference with a generic tunnel length.

Selected flow: Precast reinforced concrete hydraulic tunnel lining segment
Flow property / unit: Volume 93a60a56-a3c8-22da-a746-0800200c9a66 / m3
Amount rule: Collect the actual attributable quantity in this row unit using cp_underground, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_underground
Sources: hk-dsd-stormwater-2018

Low-alloy structural steel tunnel support (`steel_support`)

Only actual steel support in shafts or hydraulic underground works. Record section, alloy, temporary/permanent status, installed mass and recovered/reused quantity. Permanent delivered support uses its actual full received/installed material quantity; only reusable temporary supports use an evidenced manufacturing share and asset ledger. Additional shotcrete, grout constituents and face-conditioning chemicals are individually recorded for the actual excavation technology.

Selected flow: Low-alloy structural steel tunnel support
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_underground, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_underground
Sources: hk-dsd-stormwater-2018

Dry sodium bentonite powder (`bentonite_powder`)

Only if the actual slurry-support or jacking-lubrication formulation uses this specified dry powder. Record real mineral/additive composition and concentration, dry receipts, water separately and spent slurry destination; slurry TBM use does not make bentonite universal. Other conditioning agents each require their own material row.

Selected flow: Dry sodium bentonite powder
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_underground, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_underground
Sources: hk-dsd-stormwater-2018

Waste flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Elementary flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Outputs

Product flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Waste flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Elementary flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Process: Fixed water-control and pumping installation (`controls_installation`)

When the delivery configuration includes gates, flap valves, pumps, actuators, instruments or fixed electrical systems.

Inputs

Product flows

Pump (`installed_pump`)

Only an actually supplied liquid pump from the public factory production-mix identity, installed as part of irrigation or flood drainage. Verify the supplied model, fluid/duty point, configuration, measured net mass and whether motor/base/control are included. A supplied integral motor must not be counted again. Pump manufacture is upstream; site fitting, wiring and commissioning are foreground.

Selected flow: Pump bbd91be4-dc00-44c2-8bc1-f67ee79174a7
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_controls, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_controls
Sources: fao-irrigation-system; hk-dsd-stormwater-2018

Fabricated steel hydraulic sluice gate (`sluice_gate`)

Only actual delivered steel gate leaf/frame of the declared water-control structure. Record opening, head condition, steel/coating, seals, actuator inclusion and accepted mass. The inspected trench gate is an active-media groundwater-remediation component and is not this gate.

Selected flow: Fabricated steel hydraulic sluice gate
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_controls, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_controls
Sources: usbr-crow-construction

Cast-iron hydraulic drainage flap valve (`flap_valve`)

Only actual cast-iron flap valve at an integral drainage outlet. Record diameter, material/coating, hinge and seal configuration, backflow function and installed mass; distinguish a purchased complete valve from its metal constituents.

Selected flow: Cast-iron hydraulic drainage flap valve
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_controls, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_controls
Sources: hk-dsd-stormwater-2018

Electric hydraulic gate actuator (`gate_actuator`)

Only a separately supplied actual gate actuator. Record rating, travel/load condition and motor/gearbox/control inclusions; a generic small electric motor is not the complete actuator.

Selected flow: Electric hydraulic gate actuator
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_controls, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_controls
Sources: usbr-crow-construction

Installed electronic water-level sensor (`level_sensor`)

Only a real separately supplied water-level instrument, including its documented sensor interface. Record instrument technology, range and installation/verification; cabinets, telemetry and batteries each need their own row when separately installed.

Selected flow: Installed electronic water-level sensor
Flow property / unit: Number of items 01846770-4cfe-4a25-8ad9-919d8d378345 / item
Amount rule: Collect the actual attributable quantity in this row unit using cp_controls, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_controls
Sources: usbr-crow-construction

Copper-conductor XLPE-insulated low-voltage power cable (`power_cable`)

Only this actual installed cable specification. Record rated voltage, conductor area, sheath/armour, measured length and manufacturer mass per length or weighing; other conductor/insulation constructions require separate rows. No cable manufacturing locality is assumed.

Selected flow: Copper-conductor XLPE-insulated low-voltage power cable
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_controls, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_controls
Sources: hk-dsd-stormwater-2018

Waste flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Elementary flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Outputs

Product flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Waste flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Elementary flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Process: Construction plant, utilities, transport and direct environmental exchanges (`site_utilities`)

All construction and acceptance stages; each exchange is conditional on actual occurrence and source/interface.

Inputs

Product flows

Diesel fuel (`site_diesel`)

Use the generic foreground diesel material identity only for actual identified diesel, preserving its unspecified fuel grade, formulation, density, heating value, refinery, geographic supply and provider. Collect real fuel certificates and metered consumption by excavator, compactor, haul vehicle, pump, crane or generator and by work stage. Do not copy a fixed fuel rate from an equipment record. Measure density for volume-to-mass conversion; fossil content is separately required for fossil-emission rows.

Selected flow: Diesel fuel 9d258d75-6792-4f1c-9856-81602ed8f816
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_utilities, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_utilities
Sources: usbr-crow-construction

Alternating current (`electricity_lv_cn`)

Only actual CN user-side grid-average consumption mix supplied below 1 kV. Preserve Net calorific value as the public reference property and MJ energy units. Record real meter interface and dates; electricity at 1–35 kV and other countries, self-generation or dedicated generation mixes are separate. Diesel used by a site generator and its output electricity must not both import the same upstream grid burden.

Selected flow: Alternating current 50657322-939c-4829-a87b-47c093bfa6a7
Flow property / unit: Net calorific value 93a60a56-a3c8-11da-a746-0800200c9a66 / MJ
Amount rule: Collect the actual attributable quantity in this row unit using cp_utilities, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_utilities
Sources: usbr-crow-construction

Alternating current (`electricity_mv_cn`)

Only actual CN user-side grid-average supply at 1–35 kV. Keep Net calorific value/MJ, actual voltage and meter point, including transformers and losses only once according to supply interface. This row and the below-1-kV row cover distinct supplies, not alternative UUIDs for the same meter.

Selected flow: Alternating current 3d76981f-964a-4865-b588-0e067a2a1163
Flow property / unit: Net calorific value 93a60a56-a3c8-11da-a746-0800200c9a66 / MJ
Amount rule: Collect the actual attributable quantity in this row unit using cp_utilities, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_utilities
Sources: usbr-crow-construction

User-side alternating-current electricity at the declared supply voltage (`electricity_other`)

Only actual electricity outside the two confirmed CN supply conditions. Identify country, actual voltage and mix, grid/self-generation interface and measured energy; select the matching public identity before dataset use. Do not replace it with incineration-production electricity.

Selected flow: User-side alternating-current electricity at the declared supply voltage
Flow property / unit: Net calorific value 93a60a56-a3c8-11da-a746-0800200c9a66 / MJ
Amount rule: Collect the actual attributable quantity in this row unit using cp_utilities, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_utilities
Sources: usbr-crow-construction

Tap water (`tap_water_hk`)

Only actual Hong Kong treated tap water supplied as a production mix at the water-treatment plant gate. Verify the real distribution/transport link to the construction meter separately, and include its activities once. Preserve Volume/m3; the record’s secondary 1000 kg/m3 screening property is not a default density. Other locations or supply interfaces use a separately verified identity.

Selected flow: Tap water 3a8411b6-e476-4f98-9d77-0d492661a07f
Flow property / unit: Volume 93a60a56-a3c8-22da-a746-0800200c9a66 / m3
Amount rule: Collect the actual attributable quantity in this row unit using cp_water, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_water
Sources: usbr-canal-concrete-2017

Supplied liquid construction process water (`supplied_water_other`)

Only actual externally supplied liquid water for moisture conditioning, batching, curing, dust control or commissioning not satisfying the Hong Kong plant-gate identity. Record quality, geography, supplier, treatment and delivery interface; split source/quality streams. Do not also record its upstream natural-water abstraction as a foreground resource input.

Selected flow: Supplied liquid construction process water
Flow property / unit: Volume 93a60a56-a3c8-22da-a746-0800200c9a66 / m3
Amount rule: Collect the actual attributable quantity in this row unit using cp_water, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_water
Sources: usbr-canal-concrete-2017

Mineral lubricating oil (`mineral_lubricant`)

Only actual separately consumed mineral lubricant in construction plant. Record grade, issue/return, replacement and used-oil collection; lubricants already contained in a complete equipment/service dataset are not duplicated.

Selected flow: Mineral lubricating oil
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_utilities, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_utilities
Sources: usbr-crow-construction

Complete hydraulic excavator at manufacture gate (`excavator_manufacture_share`)

Only when an actual hydraulic excavator manufacturing contribution is inside the declared dataset scope. Inventory kg equals measured same-configuration net excavator mass multiplied by the documented dimensionless manufacturing share attributable to this reference works; record both factors under cp_shared_assets. The service denominator must come from evidenced total lifetime/cumulative activity or a justified forecast, with reconciliation. Across all projects, periods and reuse scenarios the cumulative manufacture shares cannot exceed one. Unknown denominator or included manufacture requires explicit review, never a full new excavator burden per project. Do not adopt a dismantling-use excavator flow or its nominal fuel rate as manufacturing identity.

Selected flow: Complete hydraulic excavator at manufacture gate
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_shared_assets, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_shared_assets
Sources: usbr-crow-construction

Road freight transport by truck (`road_freight`)

Only actual inbound or attributable off-site truck transport not already contained in supplier or waste-treatment data. Keep material/vehicle/route separate in raw records, measured payload, loaded distance, empty return treatment and loading. Calculate each real leg in t*km; on-site plant fuel is metered separately, and plant mobilisation is included only once.

Selected flow: Road freight transport by truck
Flow property / unit: Goods transport (massdistance) 838aaa20-0117-11db-92e3-0800200c9a66 / tkm
Amount rule: Collect the actual attributable quantity in this row unit using cp_transport, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_transport
Sources: usbr-crow-construction

Waste flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Elementary flows

ground water (`groundwater_abstraction`)

Only direct abstraction of freshwater from groundwater inside this foreground boundary for site use or actual construction dewatering. Record aquifer/source, location/country, extraction meter and purpose. This is a renewable material resource from water, not contaminated groundwater waste or water discharged to an aquifer. If an LCIA water-scarcity method is used, preserve the country/location requirement and method compatibility; abstraction is not assumed to equal consumption.

Selected flow: ground water 4f462198-40cd-4184-8733-86648a20dc3f
Flow property / unit: Volume 93a60a56-a3c8-22da-a746-0800200c9a66 / m3
Amount rule: Collect the actual attributable quantity in this row unit using cp_water, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_water
Sources: usbr-crow-construction

river water (`river_abstraction`)

Only actual direct freshwater river abstraction crossing the site foreground environmental boundary; preserve source, location/country, intake meter, purpose and any separately measured returns. River diversion that bypasses construction without consumptive site use is disclosed as changed routing, not automatically counted as purchased water or final irrigation supply.

Selected flow: river water 805a7346-1664-4483-afe3-4b224be5e361
Flow property / unit: Volume 93a60a56-a3c8-22da-a746-0800200c9a66 / m3
Amount rule: Collect the actual attributable quantity in this row unit using cp_water, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_water
Sources: usbr-crow-construction

Outputs

Product flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Waste flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Elementary flows

carbon dioxide (fossil) (`diesel_co2`)

Only supported CO2 from the actual fossil fraction of site fuel combustion. Immediate emission to air with unspecified subcompartment; use a different verified flow if an urban/non-urban/high-stack subcompartment is specified. Include only the measured or route/engine/control-specific supported mass, with its factor and activity evidence retained by cp_environment. Do not import the same emission again from a combustion-inclusive service dataset. Biofuel carbon, soil carbon change and reservoir methane are separate and are not presumed construction emissions.

Selected flow: carbon dioxide (fossil) 08a91e70-3ddc-11dd-923d-0050c2490048
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_environment, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_environment
Sources: usbr-crow-construction

carbon monoxide (fossil) (`diesel_co`)

Only supported fossil CO, CAS 630-08-0, from actual construction combustion. Immediate emission to air with unspecified subcompartment; use a different verified flow if an urban/non-urban/high-stack subcompartment is specified. Include only the measured or route/engine/control-specific supported mass, with its factor and activity evidence retained by cp_environment. Do not import the same emission again from a combustion-inclusive service dataset.

Selected flow: carbon monoxide (fossil) 08a91e70-3ddc-11dd-924e-0050c2490048
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_environment, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_environment
Sources: usbr-crow-construction

nitrogen monoxide (`diesel_no`)

Only separately supported NO, CAS 10102-43-9. NOx totals or NO2-equivalent reporting cannot be assigned as NO without substantiated speciation. Immediate emission to air with unspecified subcompartment; use a different verified flow if an urban/non-urban/high-stack subcompartment is specified. Include only the measured or route/engine/control-specific supported mass, with its factor and activity evidence retained by cp_environment. Do not import the same emission again from a combustion-inclusive service dataset.

Selected flow: nitrogen monoxide 08a91e70-3ddc-11dd-96ee-0050c2490048
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_environment, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_environment
Sources: usbr-crow-construction

nitrogen dioxide (`diesel_no2`)

Only separately supported NO2, CAS 10102-44-0; not NO, N2O or a NOx total expressed as NO2 equivalent. Immediate emission to air with unspecified subcompartment; use a different verified flow if an urban/non-urban/high-stack subcompartment is specified. Include only the measured or route/engine/control-specific supported mass, with its factor and activity evidence retained by cp_environment. Do not import the same emission again from a combustion-inclusive service dataset.

Selected flow: nitrogen dioxide 08a91e70-3ddc-11dd-96e5-0050c2490048
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_environment, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_environment
Sources: usbr-crow-construction

sulfur dioxide (`diesel_so2`)

Only supported SO2, CAS 7446-09-5, with actual fuel sulfur/control conditions. Immediate emission to air with unspecified subcompartment; use a different verified flow if an urban/non-urban/high-stack subcompartment is specified. Include only the measured or route/engine/control-specific supported mass, with its factor and activity evidence retained by cp_environment. Do not import the same emission again from a combustion-inclusive service dataset.

Selected flow: sulfur dioxide fe0acd60-3ddc-11dd-ac48-0050c2490048
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_environment, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_environment
Sources: usbr-crow-construction

particles (PM2.5) (`exhaust_pm25`)

Only supported size-defined PM2.5 exhaust mass for the actual plant. Immediate emission to air with unspecified subcompartment; use a different verified flow if an urban/non-urban/high-stack subcompartment is specified. Include only the measured or route/engine/control-specific supported mass, with its factor and activity evidence retained by cp_environment. Do not import the same emission again from a combustion-inclusive service dataset. A PM10 measurement already includes PM2.5; use a consistent non-overlapping particle-size representation and never sum nested fractions as separate total emissions.

Selected flow: particles (PM2.5) 08a91e70-3ddc-11dd-9293-0050c2490048
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_environment, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_environment
Sources: usbr-crow-construction

particles (PM10) (`earthworks_dust_pm10`)

Only supported PM10 from actual excavation, fill placement, exposed stockpiles or site traffic, with immediate air/unspecified-subcompartment identity. Record activity, soil/silt/moisture, traffic, weather and dust-control evidence by operation. EPA AP-42 13.2.3 is used for its component-operation approach and cautions only: its historical area/month TSP factor is not a project PM10 default. Keep exhaust separate and avoid particle-size overlap.

Selected flow: particles (PM10) 08a91e70-3ddc-11dd-91be-0050c2490048
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_environment, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_environment
Sources: epa-construction-dust-1995

Water (`water_release_fresh`)

Only an actual direct discharge to a documented freshwater receiving body, after any recorded site treatment. Retain source, volume, destination, treatment and water-quality evidence. Do not use a natural-water resource identity, a purchased river-water product or a waste-treatment transfer for this release. Identify any actual pollutant species separately with measured concentrations and correct receiving medium; no default pollutant release is prescribed.

Selected flow: Water 5e50fc01-19c6-4377-a1cc-bc65a12498ea
Flow property / unit: Volume 93a60a56-a3c8-22da-a746-0800200c9a66 / m3
Amount rule: Collect the actual attributable quantity in this row unit using cp_water, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_water
Sources: usbr-crow-construction; epa-concrete-washout-2012

carbon dioxide (biogenic) (`initial_filling_biogenic_co2`)

Only actual biogenic CO2 attributable to land disturbance or initial filling/testing before acceptance, with the original land/carbon baseline, inundated extent, start/end and measured or specifically supported release. This immediate air/unspecified-subcompartment identity is not fossil combustion or a delayed-emission correction flow. IPCC flooded-land guidance supports pathway review, not automatic application of annual factors to a short construction test; identify actual land conversion and avoid repeating baseline respiration/short-term carbon cycling already counted elsewhere. Missing evidence is a declared gap, not zero.

Selected flow: carbon dioxide (biogenic) 08a91e70-3ddc-11dd-9c15-0050c2490048
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_environment, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_environment
Sources: ipcc-flooded-land-2019

methane (biogenic) (`initial_filling_biogenic_ch4`)

Only actual attributable biogenic CH4 to air before acceptance from a demonstrated initial-filling, constructed waterbody or soil pathway. Preserve original baseline, waterbody type, inundation/hydrology, oxygen/organic conditions, actual monitoring period and diffusion/ebullition/degassing routes; quantify each supported release without overlap. This is immediate air/unspecified subcompartment, not a long-term or fossil-methane identity. IPCC distinguishes flooded-land types and excludes some seasonal floodplains; its national/annual guidance is not a default construction-test factor, and merely installing a canal does not prove a methane release.

Selected flow: methane (biogenic) fe0acd60-3ddc-11dd-a8e8-0050c2490048
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_environment, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_environment
Sources: ipcc-flooded-land-2019

Process: Construction waste segregation, recovery and transfer (`construction_wastes`)

Inspect all construction, testing and in-scope replacement stages; record each real stream and destination, including non-applicability evidence.

Inputs

Product flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Waste flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Elementary flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Outputs

Product flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Waste flows

Uncontaminated excavated soil sent off site (`excavated_soil_waste`)

Only soil actually crossing the boundary to an identified waste destination after documented contamination characterization. Record native soil, wet/dry basis, recovered internal fill and exported quantity separately. Contaminated soil and excavated rock each require a separate specified row and treatment; a soil resource is not this waste.

Selected flow: Uncontaminated excavated soil sent off site
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_waste, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_waste
Sources: usbr-crow-construction

Hardened construction concrete waste (`concrete_waste`)

Only actually removed hardened concrete from construction loss or in-scope replacement work. Preserve reinforcement contamination, route and destination; segregate recovered steel and distinguish fresh rejected concrete or washout residue. Prior-asset demolition for rehabilitation is explicitly disclosed, not silently merged with new manufacture.

Selected flow: Hardened construction concrete waste
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_waste, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_waste
Sources: usbr-crow-construction

Low-alloy reinforcing steel offcut (`steel_offcut_waste`)

Only the actual segregated offcut from the specified reinforcement, with coating/contamination and recipient documented. No automatic avoided-primary-steel credit; preserve scrap transfer and actual recovery boundary.

Selected flow: Low-alloy reinforcing steel offcut
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_waste, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_waste
Sources: usbr-crow-construction

Alkaline concrete washout liquid (`concrete_washout_liquid`)

Only actual contained liquid from cleaning concrete delivery/placing equipment or batching. EPA describes separate management of washwater and solids; record contained volume, alkalinity/contaminants, recycling and destination. Its later direct release, if any, belongs under the environmental boundary, not as an assumed discharge.

Selected flow: Alkaline concrete washout liquid
Flow property / unit: Volume 93a60a56-a3c8-22da-a746-0800200c9a66 / m3
Amount rule: Collect the actual attributable quantity in this row unit using cp_waste, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_waste
Sources: epa-concrete-washout-2012

Settled concrete washout solids (`washout_solids`)

Only actual settled/hardened concrete washout solids removed from containment. Record water content and residue composition, mass and reuse/disposal destination; do not count the same water again as both liquid waste and wet-solid moisture.

Selected flow: Settled concrete washout solids
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_waste, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_waste
Sources: epa-concrete-washout-2012

Construction dewatering water sent for treatment (`dewatering_transfer`)

Only actual liquid transferred off site for treatment, with origin, characterization and destination documented. Groundwater abstraction and direct freshwater discharge are distinct flows and quantities. A contaminated-groundwater waste identity is used only if contamination and treatment route actually match; absence of discharge evidence is not a zero-emission assertion.

Selected flow: Construction dewatering water sent for treatment
Flow property / unit: Volume 93a60a56-a3c8-22da-a746-0800200c9a66 / m3
Amount rule: Collect the actual attributable quantity in this row unit using cp_waste, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_waste
Sources: usbr-crow-construction

Spent sodium-bentonite excavation slurry (`spent_bentonite_slurry`)

Only actual bentonite-based slurry removed from the specified underground construction route. Record mineral/additive/water composition, density or measured mass, dewatering, recovered liquid/solid fractions and destination, with a closed balance. Other tunnelling slurries are separate exchanges; no slurry waste is assumed for dry excavation.

Selected flow: Spent sodium-bentonite excavation slurry
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_waste, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_waste
Sources: hk-dsd-stormwater-2018

Spent mineral lubricating oil (`spent_mineral_oil`)

Only actual separately collected used mineral lubricant. Record contamination and handling destination; neither fresh oil nor general oily sludge is equivalent.

Selected flow: Spent mineral lubricating oil
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_waste, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_waste
Sources: usbr-crow-construction

Corrugated cardboard packaging waste (`carton_waste`)

Only actual removed cardboard from supplied components, with supplier packaging inclusions reconciled and destination recorded.

Selected flow: Corrugated cardboard packaging waste
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_waste, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_waste
Sources: usbr-crow-construction

Polyethylene packaging film waste (`film_waste`)

Only actual removed polyethylene film with polymer and contamination known. Other polymers, timber crates and other real wastes each need their own atomic row.

Selected flow: Polyethylene packaging film waste
Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
Amount rule: Collect the actual attributable quantity in this row unit using cp_waste, per declared reference flow; retain the stated configuration, activity and identity conditions.
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_waste
Sources: usbr-crow-construction

Elementary flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Process: Verification, reinstatement and physical acceptance (`handover`)

Always confirm completeness, functional interfaces, actual geometry, defects and acceptance; testing consumption remains stage-coded under utilities/wastes.

Inputs

Product flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Waste flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Elementary flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Outputs

Product flows

Delivered irrigation and flood control waterworks (`reference_waterworks`)

One completed and accepted physical works at the declared site and project extent, providing its specified irrigation, flood-control or combined function. Its complete configured channel/retention/drainage/control assets and defined interfaces must match the as-built, commissioning and handover records. A work package of materials or a construction service does not fulfil this output.

Selected flow: Delivered irrigation and flood control waterworks
Flow property / unit: Number of items 01846770-4cfe-4a25-8ad9-919d8d378345 / item
Amount rule: 1 item
Value mode: foreground_record
Specificity: site_specific
Normalization basis: per declared reference flow
Basis kind: reference_flow
Evidence kind: collected_record
Collection protocol: cp_acceptance
Sources: unsd-cpc-3-2025; fao-irrigation-system; hk-dsd-stormwater-2018

Waste flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Elementary flows

No universal crossing exchange is prescribed in this group. Record any real exchange separately; retained/internal transfers are reconciled within this works.

Raw downloads

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pcr.en-US.md115 KB · 6392a3b4ab53…
manifest.yaml11 KB · 05fbd42351c7…
pcr.zh-CN.md96 KB · a0ba25f0b130…
structured.yaml146 KB · 5ae03a9a26f2…

Structured rule index

This index comes from verified structured.yaml and retains the canonical English rule text.

System boundary rules · 6

Rule ID	Applies to	Rule	Source IDs
`construction_delivery`	dataset	The core foreground covers actual site preparation through construction, fitting, testing, removal of temporary works, reinstatement and accepted physical handover. Record delivered incoming products at their real interfaces. Cement/steel/aggregate/pump manufacture is upstream; only actual site batching, placement or assembly is foreground. Link compatible upstream manufacturing and delivery datasets to extend coverage, but label this foreground result as construction-to-handover, not a complete cradle-to-gate or whole-life result.	usbr-crow-construction
`purpose_and_interfaces`	reference_waterworks	Preserve the actual irrigation or flood-control purpose and independently operable extent. Identify canal/drain chainage and cross-sections, protected/irrigated area definition, inlet/outlet and water levels, documented flow/storage/pumping capacity, control and maintenance access delivered. These are project measurements/requirements, not fixed PCR numbers. Exclude standalone water-supply conduits, navigation/port facilities, dams/water-retaining structures and coastal/waterside embankments; for multipurpose or integral components, declare a non-overlapping package/interface and review classification separately rather than removing real construction.	unsd-cpc-3-2025, hk-dsd-stormwater-2018
`route_completeness`	all inventory rows	Required process blocks require an actual activity/completeness assessment, not all listed materials. Conditional routes remain conditional: earth or lined irrigation; rigid, flexible or vegetated flood channels; storage/polder/pumping; open-cut or underground hydraulic connections. Add each actual missing product, chemical, energy carrier, support element, packaging piece, waste and measured environmental species as a separate atomic row with properties, unit, protocol and route evidence. Significant piling, ground treatment, tunnelling, shotcrete, hydraulic transport or other real operations require their own process detail before a dataset can be complete; a sparse example route cannot represent another technology.	fao-irrigation-system, usbr-crow-construction, hk-dsd-stormwater-2018
`temporary_and_prior_assets`	dataset	Account actual cofferdams, temporary diversion/roads, dewatering/treatment, support works and their removal/recovery once. Distinguish native retained assets, imported assemblies and new work. A rehabilitation delivery must retain prior structure/interface and record actual enabling demolition and replacement; do not charge the retained old asset as a newly manufactured input or erase its history. Shared machinery/formwork manufacture, when included, follows the cumulative share ledger.	usbr-crow-construction
`later_lifecycle`	dataset	Only post-handover operational irrigation deliveries, flood events, pumping energy, leakage/seepage, operating-reservoir/soil processes, desilting, maintenance, renewal and final demolition are outside the core construction delivery. Actual pre-acceptance initial filling, commissioning, land disturbance and resulting supported inundation/land-carbon/release pathways stay inside their real construction/test site and period. Record baseline, flooded area, dates and measurements; unsupported pathways remain explicit gaps, not moved into excluded operation. Keep later actual or explicit future scenarios separate with evidenced period, activity, replacements, treatment and fate. No default service life, flood recurrence, saved crop output or avoided flood damage.	fao-irrigation-system, hk-dsd-stormwater-2018, ipcc-flooded-land-2019
`environmental_boundary`	site_utilities; construction_wastes	Distinguish supplied technosphere water, direct river/groundwater resource abstraction, contained liquid waste sent for treatment and actual elemental release to a named receiving medium. Separate recirculation from crossing flows and record storage, rainfall/river diversion and return volumes so abstraction is not equated with consumption. Record noise as site/receptor/time/frequency and sound-level evidence outside mass exchanges until a suitable metric and identity are established; do not convert dB to kg or assume a universal noise emission. Actual land clearing/occupation changes and contaminant releases require separate supported environmental exchanges or explicit gaps, not an assumed zero.	epa-concrete-washout-2012, epa-construction-dust-1995, usbr-crow-construction

Allocation rules · 4

Rule ID	Applies to	Rule
`direct_subdivision`	dataset	First assign receipts, meters, equipment logs and subcontract works directly to this defined delivery and stage. Subdivide joint water-supply, navigation, power or other functions before allocation. If inseparable works serve several beneficiaries/functions, justify an evidenced physical causal driver and denominator, show all recipients and sensitivity; a common area, cost or flow-capacity ratio is not automatically causal.
`manufacture_share_conservation`	excavator_manufacture_share; formwork_plywood; steel_support	For each reusable asset retain one persistent same-asset manufacture boundary and documented total service basis. Multiply its real mass/count by the current dimensionless attributed share only when units and configuration match. Across projects, periods, temporary reuse and later reuse, cumulative shares must be no greater than one. Keep forecast versus realized service explicit and reconcile; unknown lifetime/activity denominator remains review, never a per-project reset or an invented lifespan.
`recovery_and_internal_reuse`	construction_wastes	Internal cut/fill reuse, recirculated water and recovered formwork are reconciled internal transfers, not co-products or automatic environmental credits. Preserve actual exported soil, scrap and waste quantities and the point of waste/product status change. Do not subtract hypothetical recycling, avoided virgin production or avoided flood loss from the construction result; any separately assessed recovery scenario must state allocation and substitution evidence.
`allocation_rule_4`	foreground_burden_allocation	These conservation and direct-attribution rules are modelling controls backed by actual cp_shared_assets/cp records, not prescribed lifetime or allocation factors. Any unresolved beneficiary or lifetime relationship must be reviewed and disclosed in the eventual dataset.

Validation rules · 6

Rule ID	Applies to	Rule	Source IDs
`entity_and_acceptance`	reference_waterworks	Require one physically accepted works with matching project id, site, delivered configuration, as-built geometry, inlet/outlet limits and documented irrigation/flood-control purpose. Declare real irrigated/protected area, flow/head/storage/pump capacity and test conditions where relevant. These qualifiers do not prove future flood performance, crop yield, regulatory approval or a service lifetime.	unsd-cpc-3-2025, hk-dsd-stormwater-2018
`basis_and_physical_units`	all inventory rows	Reference output is 1 item and every exchange/protocol aggregate is per declared reference flow for that same whole delivery. Surveyed lengths, areas, volumes and installed capacities are qualifiers or documented supplemental metrics, not silent denominator changes. Confirm public property, unit group and actual numerator conversions; do not make Mass, Volume, Area, Count or energy interchangeable, and do not invent an overall works mass.
`materials_and_waste_balance`	lining_structures; underground_conveyance; construction_wastes	Reconcile delivery/returns/stock/installation/removal for each concrete, soil, rock, reinforcement and other specific exchange; record real mix/concentration, density and wet/dry basis where conversions occur. Keep temporary recovery and excavated native material distinct. Validate containment and destinations of washout/dewatering/slurry, and do not duplicate liquid water with wet-residue moisture.	epa-concrete-washout-2012, usbr-crow-construction
`identity_and_emission_conditions`	site_utilities	Check each adopted identity against exact substance, fossil/biogenic origin, route/state, country, voltage, supply gate and medium/submedium, with referenceToReferenceFlowProperty and support units. NO is not NO2/N2O; an NOx equivalent is not a species. PM nested fractions are not summed. Only measured or explicitly supported factor-derived releases are admissible. Missing identity, measurement, factors or omitted significant operations remains disclosed review/incomplete data, not proof of database absence or zero burden.	epa-construction-dust-1995
`hydraulic_civil_completeness`	dataset	Review the actual channel/bank/retention/culvert/tunnel/pump/control route against drawings and signed checks: alignment/levels/sections, ground conditions, filters/drains, joints/leakage, compaction, lining/structure quality, water-control operation, clearance and reinstatement as applicable. Use current project-specific acceptance evidence; historical guides do not impose universal geometry, strength, mix, water quality, life or legal approval. Missing integral drainage, control, support or treatment cannot be hidden by choosing a smaller easy route.	fao-irrigation-system, usbr-canal-concrete-2017, hk-dsd-stormwater-2018
`allocation_and_disclosure`	dataset	Check full receiving-population and reusable-asset ledgers, no more than one cumulative manufacture share, no duplicated material/service/combustion, and separate later lifecycle scenarios. Scientific review and unresolved identities are explicit prerequisites for reviewed use; a candidate projection/measurement check is a technical consistency result, not methodology approval or publication.

Processes and inputs/outputs · 8

Process ID	Process name	Input flows	Output flows
`site_earthworks`	Site preparation, earthworks and temporary water control	1	0
`banks_drainage`	Integral banks, filters, protection and subsoil drainage	7	0
`lining_structures`	Lining and hydraulic civil structures	9	0
`underground_conveyance`	Integral underground hydraulic conveyance	4	0
`controls_installation`	Fixed water-control and pumping installation	6	0
`site_utilities`	Construction plant, utilities, transport and direct environmental exchanges	11	10
`construction_wastes`	Construction waste segregation, recovery and transfer	0	10
`handover`	Verification, reinstatement and physical acceptance	0	1

Complete field inspector

Loads this record’s complete manifest and structured projection on demand; values are never truncated. Requires JavaScript.

Irrigation and flood control waterworks delivery

Content languages

Readiness

Classification mapping

Source

1. Scope and Applicability

2. Product Category Identity

3. Reference Flow

4. Measurement and Unit Rules

Flow-property and unit-group support relations

5. System Boundary

Boundary Abstraction

6. Process Inventory Structure

Process Map

Process: Site preparation, earthworks and temporary water control (site_earthworks)

Inputs

Product flows

Uncontaminated natural soil fill (imported_earth_fill)

Waste flows

Elementary flows

Outputs

Product flows

Waste flows

Elementary flows

Process: Integral banks, filters, protection and subsoil drainage (banks_drainage)

Inputs

Product flows

Washed natural silica filter sand (filter_sand)

gravel 2/32 (filter_gravel)

rock (riprap_rock)

Galvanized steel gabion mesh (gabion_mesh)

Live grass sod for channel stabilization (grass_sod)

Polypropylene nonwoven drainage geotextile (geotextile_pp)

Perforated HDPE subsoil drainage pipe (drain_pipe_hdpe)

Waste flows

Elementary flows

Outputs

Product flows

Waste flows

Elementary flows

Process: Lining and hydraulic civil structures (lining_structures)

Inputs

Product flows

Fresh ready-mixed hydraulic concrete (purchased_concrete)

Cement, portland cement (portland_cement)

Hot rolled rebar steel (reinforcing_steel)

Precast concrete canal lining slab (precast_lining_slab)

Fired clay canal lining brick (brick_lining)

Hydraulic asphalt concrete lining mixture (asphalt_lining)

HDPE hydraulic geomembrane (membrane_hdpe)

Construction formwork plywood (formwork_plywood)

EPDM elastomeric joint waterstop (waterstop_epdm)

Waste flows

Elementary flows

Outputs

Product flows

Waste flows

Elementary flows

Process: Integral underground hydraulic conveyance (underground_conveyance)

Inputs

Product flows

Reinforced concrete hydraulic jacking pipe (precast_jacking_pipe)

Precast reinforced concrete hydraulic tunnel lining segment (tunnel_lining_segment)

Low-alloy structural steel tunnel support (steel_support)

Dry sodium bentonite powder (bentonite_powder)

Waste flows

Elementary flows

Outputs

Product flows

Waste flows

Elementary flows

Process: Fixed water-control and pumping installation (controls_installation)

Inputs

Product flows

Pump (installed_pump)

Fabricated steel hydraulic sluice gate (sluice_gate)

Cast-iron hydraulic drainage flap valve (flap_valve)

Electric hydraulic gate actuator (gate_actuator)

Installed electronic water-level sensor (level_sensor)

Copper-conductor XLPE-insulated low-voltage power cable (power_cable)

Process: Site preparation, earthworks and temporary water control (`site_earthworks`)

Uncontaminated natural soil fill (`imported_earth_fill`)

Process: Integral banks, filters, protection and subsoil drainage (`banks_drainage`)

Washed natural silica filter sand (`filter_sand`)

gravel 2/32 (`filter_gravel`)

rock (`riprap_rock`)

Galvanized steel gabion mesh (`gabion_mesh`)

Live grass sod for channel stabilization (`grass_sod`)

Polypropylene nonwoven drainage geotextile (`geotextile_pp`)

Perforated HDPE subsoil drainage pipe (`drain_pipe_hdpe`)

Process: Lining and hydraulic civil structures (`lining_structures`)

Fresh ready-mixed hydraulic concrete (`purchased_concrete`)

Cement, portland cement (`portland_cement`)

Hot rolled rebar steel (`reinforcing_steel`)

Precast concrete canal lining slab (`precast_lining_slab`)

Fired clay canal lining brick (`brick_lining`)

Hydraulic asphalt concrete lining mixture (`asphalt_lining`)

HDPE hydraulic geomembrane (`membrane_hdpe`)

Construction formwork plywood (`formwork_plywood`)

EPDM elastomeric joint waterstop (`waterstop_epdm`)

Process: Integral underground hydraulic conveyance (`underground_conveyance`)

Reinforced concrete hydraulic jacking pipe (`precast_jacking_pipe`)

Precast reinforced concrete hydraulic tunnel lining segment (`tunnel_lining_segment`)

Low-alloy structural steel tunnel support (`steel_support`)

Dry sodium bentonite powder (`bentonite_powder`)

Process: Fixed water-control and pumping installation (`controls_installation`)

Pump (`installed_pump`)

Fabricated steel hydraulic sluice gate (`sluice_gate`)

Cast-iron hydraulic drainage flap valve (`flap_valve`)

Electric hydraulic gate actuator (`gate_actuator`)

Installed electronic water-level sensor (`level_sensor`)

Copper-conductor XLPE-insulated low-voltage power cable (`power_cable`)

Process: Construction plant, utilities, transport and direct environmental exchanges (`site_utilities`)

Diesel fuel (`site_diesel`)

Alternating current (`electricity_lv_cn`)

Alternating current (`electricity_mv_cn`)

User-side alternating-current electricity at the declared supply voltage (`electricity_other`)

Tap water (`tap_water_hk`)

Supplied liquid construction process water (`supplied_water_other`)

Mineral lubricating oil (`mineral_lubricant`)

Complete hydraulic excavator at manufacture gate (`excavator_manufacture_share`)

Road freight transport by truck (`road_freight`)

ground water (`groundwater_abstraction`)

river water (`river_abstraction`)

carbon dioxide (fossil) (`diesel_co2`)

carbon monoxide (fossil) (`diesel_co`)

nitrogen monoxide (`diesel_no`)

nitrogen dioxide (`diesel_no2`)

sulfur dioxide (`diesel_so2`)

particles (PM2.5) (`exhaust_pm25`)

particles (PM10) (`earthworks_dust_pm10`)

Water (`water_release_fresh`)

carbon dioxide (biogenic) (`initial_filling_biogenic_co2`)

methane (biogenic) (`initial_filling_biogenic_ch4`)

Process: Construction waste segregation, recovery and transfer (`construction_wastes`)

Uncontaminated excavated soil sent off site (`excavated_soil_waste`)

Hardened construction concrete waste (`concrete_waste`)

Low-alloy reinforcing steel offcut (`steel_offcut_waste`)

Alkaline concrete washout liquid (`concrete_washout_liquid`)

Settled concrete washout solids (`washout_solids`)

Construction dewatering water sent for treatment (`dewatering_transfer`)

Spent sodium-bentonite excavation slurry (`spent_bentonite_slurry`)

Spent mineral lubricating oil (`spent_mineral_oil`)

Corrugated cardboard packaging waste (`carton_waste`)

Polyethylene packaging film waste (`film_waste`)

Process: Verification, reinstatement and physical acceptance (`handover`)

Delivered irrigation and flood control waterworks (`reference_waterworks`)