Checked draft only;not NBS-ready/construction/manufacture approval. Missing correlated fixing reactions and independent verification.
Rangemanufacturer [supported]
"Architectural Products Group Ltd (published business identity);exact manufacturing entity/factory address to confirm."
Source:../SOURCE-CATALOG.json
technicalContact [missing]
null
Source:No verified named technical contact in inspected variant sources
productCode [supported]
"L-2400-900"
Source:SOURCE-TRACE.json
description [supported]
"L-shaped steel flatbar guarding development assembly,continuous welded mitred corner,vertical lower face strips and welded L corner upright."
Source:evidence/GEOMETRY.json
intendedUse [provisional]
"External L-shaped fascia-supported guarding with top wall ties at BOTH open ends;actual jurisdiction/use/occupancy/exposure and substrates require project review."
Source:evidence/GEOMETRY.json;../OFFICIAL-SOURCE-RESEARCH.json#ENGLAND-K
exclusions [supported]
"No freestanding, Juliet, stair, vehicle barrier, fall-arrest anchorage or verified load rating; no order/manufacture release."
Source:evidence/GEOMETRY.json
jurisdiction [missing]
"No actual project jurisdiction selected. England guidance researched only; Wales/Scotland/NI and overseas need their own review."
Source:../OFFICIAL-SOURCE-RESEARCH.json#ENGLAND-K
classification [supported]
{"systemCode": "Ss_25_60_05_05", "label": "Balustrade and guarding systems", "tableVersion": "Systems v1.43 July 2026", "productCode": null}
Source:../OFFICIAL-SOURCE-RESEARCH.json#UNICLASS
dimensions [supported]
{"overallFrontWidthMm": 2400, "overallProjectionMm": 900, "datum": "Overall kit dimensions differ from reference path and leg stock lengths", "referencePathMm": [[0, 0], [2380, 0], [2380, 880]], "referenceLegLengthsMm": [2380.0, 880.0], "topHeightAboveProposedFloorMm": 1100, "lowerStripCentresZmm": [-140, -320], "assumedFloorBuildUpMm": 80, "assumedSlabThicknessMm": 300, "actualBoundingXYZmm": [2400.0, 900.0, 1460.0]}
Source:evidence/GEOMETRY.json
sections [supported]
{"top": [60, 10], "uprights": [40, 8], "twoFaceStrips": [80, 8], "cornerUpright": "Welded40x40x8L from40x8plus32x8 flats"}
Source:evidence/GEOMETRY.json
variants [supported]
"L-shaped widths1200/1800/2400/3000mm,900mmprojection in this pack. Exact record L-2400-900 only;1200projection/U/straight require separate records."
Source:SOURCE-TRACE.json
material [provisional]
"S275JR;certificate required"
Source:evidence/BOM.json
finishAndColour [missing]
"Project-specific steel corrosion protection/pretreatment/coating/thickness/colour/gloss/repair and exposure schedule remains unselected. Generic stainless wording in inherited family literature does not make RB stainless."
Source:evidence/GEOMETRY.json
construction [supported]
"Continuous welded assembly with45degree mitred corner joints; no mid-run splice. Corner rail/strip weld qualification/detail and L-upright seam remain verification gates. Top may instead be laser-cut wholeprofile; not assumed cost-equivalent. Two continuous80x8mm lower strips broad faces vertical,face welded across40x8 uprights. Source weld envelopes are not qualified joint resistance."
Source:evidence/GEOMETRY.json;evidence/BOM.json
interfaces [supported]
{"legs": [{"a": [0.0, 0.0], "b": [2380.0, 0.0], "L": 2380.0, "t": [1.0, 0.0], "n": [-0.0, 1.0], "bars": [100.0, 203.8095238, 307.6190476, 411.4285714, 515.2380952, 619.047619, 722.8571429, 826.6666667, 930.4761905, 1034.2857143, 1138.0952381, 1241.9047619, 1345.7142857, 1449.5238095, 1553.3333333, 1657.1428571, 1760.952381, 1864.7619048, 1968.5714286, 2072.3809524, 2176.1904762, 2280.0], "anchors": [60.0, 285.0, 493.0, 745.0, 964.0, 1190.0, 1416.0, 1635.0, 1887.0, 2095.0, 2320.0]}, {"a": [2380.0, 0.0], "b": [2380.0, 880.0], "L": 880.0, "t": [0.0, 1.0], "n": [-1.0, 0.0], "bars": [100.0, 197.1428571, 294.2857143, 391.4285714, 488.5714286, 585.7142857, 682.8571429, 780.0], "anchors": [60.0, 250.0, 440.0, 630.0, 820.0]}], "endplate": {"thicknessMm": 12, "normalDepthMm": 60, "heightMm": 120, "holesLocalNormalMm": 30, "holesZmm": [1000, 1060]}, "fasciaRowsZmm": [-140, -320], "support": "Fascia restraint on BOTH legs plus top wall ties at BOTH open ends;ideal translations held,rotations free", "cornerUprightBlanksMm": [[1450, 40, 8], [1450, 32, 8]], "legStockBlanks": [{"leg": 0, "referenceLengthMm": 2380.0, "uprightCount": 22, "uprightCutSectionMm": [40, 8], "uprightCutLengthMm": 1450, "topRailStockBlank": [2380.0, 60, 10], "twoLowerStripStockBlanks": [2388.0, 80, 8], "cornerCut": "45degree mitres, square wallends. U internal strips subtract40mm per corner for outside long edge; other external strips add8mm per corner. Excludes kerf/finishing allowances; final fabrication drawing required.", "anchorStationsMm": [60.0, 285.0, 493.0, 745.0, 964.0, 1190.0, 1416.0, 1635.0, 1887.0, 2095.0, 2320.0]}, {"leg": 1, "referenceLengthMm": 880.0, "uprightCount": 8, "uprightCutSectionMm": [40, 8], "uprightCutLengthMm": 1450, "topRailStockBlank": [880.0, 60, 10], "twoLowerStripStockBlanks": [888.0, 80, 8], "cornerCut": "45degree mitres, square wallends. U internal strips subtract40mm per corner for outside long edge; other external strips add8mm per corner. Excludes kerf/finishing allowances; final fabrication drawing required.", "anchorStationsMm": [60.0, 250.0, 440.0, 630.0, 820.0]}]}
Source:evidence/GEOMETRY.json;evidence/BOM.json;evidence/CALCULATIONS.json
nominalMass [supported]
{"netSourceModelMassKg": 164.21623011949086, "densityKgM3": 7800, "basis": "Sum actual source component net volumes including weld envelopes;anchors/coating/packing excluded;not measured shipped mass"}
Source:evidence/BOM.json
performanceCriteria [missing]
"Adopt project occupancy, actions/combinations, point/infill/wind/vertical actions, serviceability and durability schedule; current numerical cases are analyst sensitivities."
Source:evidence/CALCULATIONS.json;evidence/CALCULATIONS.json
performanceEvidence [provisional]
{"model": "3D Euler Bernoulli linear elastic beams; rigid joints and centroid offsets; reference corner nodes join mitres; translations held at fascia anchor stations and two top wall ends, rotations free. Corner upright represented by connected 40x8 and32x8 flats.", "actions": "Independent sensitivity actions only, no adopted regulatory load schedule or combinations. Normal top loads lumped at mesh ends.", "results": [{"case": "all_leg_outward_0.74N_per_mm", "maximumTranslationMm": 2.8128884722085976, "maxGrossNormalStressMPa": 47.47210152744375, "maxTorsionNmm": 6274.430593397148, "maxSupportResultantN": 1522.7661957915404, "forceEquilibriumErrorN": 2.2315914899404682e-08, "momentEquilibriumErrorNmm": 3.529099309738771e-05, "linearityChecked": true, "freeResidualN": 2.0442917048058007e-07}, {"case": "all_leg_outward_1.5N_per_mm", "maximumTranslationMm": 5.701800957178585, "maxGrossNormalStressMPa": 96.22723282566746, "maxTorsionNmm": 12718.440392025339, "maxSupportResultantN": 3086.68823471252, "forceEquilibriumErrorN": 6.663117542785035e-08, "momentEquilibriumErrorNmm": 9.391876839461423e-05, "linearityChecked": true, "freeResidualN": 2.981946636282373e-07}, {"case": "single_leg_outward_1.5N_per_mm_leg0", "maximumTranslationMm": 5.769393910543597, "maxGrossNormalStressMPa": 86.8454252831036, "maxTorsionNmm": 12720.298270302534, "maxSupportResultantN": 3118.1963247637077, "forceEquilibriumErrorN": 4.1204081951962124e-08, "momentEquilibriumErrorNmm": 4.511891013252811e-05, "linearityChecked": true, "freeResidualN": 3.3884862205013633e-07}, {"case": "individual_infill_500N_leg0", "maximumTranslationMm": 1.1076485555941333, "maxGrossNormalStressMPa": 43.398100747250275, "maxTorsionNmm": 18299.021484629124, "maxSupportResultantN": 2447.946476420874, "forceEquilibriumErrorN": 5.067717682993855e-09, "momentEquilibriumErrorNmm": 5.548271995872344e-06, "linearityChecked": true, "freeResidualN": 3.4765747614073916e-08}, {"case": "single_leg_outward_1.5N_per_mm_leg1", "maximumTranslationMm": 0.21966253082282655, "maxGrossNormalStressMPa": 18.675900546035237, "maxTorsionNmm": 959.5360251883255, "maxSupportResultantN": 728.5120694257226, "forceEquilibriumErrorN": 1.5664098004797289e-09, "momentEquilibriumErrorNmm": 2.347062485693108e-06, "linearityChecked": true, "freeResidualN": 1.0927710292207848e-08}, {"case": "individual_infill_500N_leg1", "maximumTranslationMm": 0.9178446351266327, "maxGrossNormalStressMPa": 43.94021334796679, "maxTorsionNmm": 18648.992662773264, "maxSupportResultantN": 2221.347715609797, "forceEquilibriumErrorN": 2.0404587394717844e-10, "momentEquilibriumErrorNmm": 4.6385661275350036e-07, "linearityChecked": true, "freeResidualN": 1.4260876923799515e-09}, {"case": "vertical_1kN_leg0", "maximumTranslationMm": 0.075207373851324, "maxGrossNormalStressMPa": 20.232580860290938, "maxTorsionNmm": 15017.186283729894, "maxSupportResultantN": 567.1222866245342, "forceEquilibriumErrorN": 4.5759703719370354e-10, "momentEquilibriumErrorNmm": 6.403400214631036e-07, "linearityChecked": true, "freeResidualN": 2.969368750882495e-09}, {"case": "vertical_1kN_leg1", "maximumTranslationMm": 0.0679285912367048, "maxGrossNormalStressMPa": 18.84074809385311, "maxTorsionNmm": 15002.954167041444, "maxSupportResultantN": 533.7979560296178, "forceEquilibriumErrorN": 4.251689278422788e-12, "momentEquilibriumErrorNmm": 1.0136279177119789e-08, "linearityChecked": true, "freeResidualN": 3.4310037796969617e-10}, {"case": "member_selfweight_only", "maximumTranslationMm": 0.004538317863008974, "maxGrossNormalStressMPa": 0.3677319873632967, "maxTorsionNmm": 194.28162776044468, "maxSupportResultantN": 69.98038806787653, "forceEquilibriumErrorN": 9.127290809545115e-11, "momentEquilibriumErrorNmm": 9.985888027586043e-08, "linearityChecked": true, "freeResidualN": 5.306358408230238e-10}, {"case": "vertical_1kN_leg0_plus_member_selfweight", "maximumTranslationMm": 0.07213883338699398, "maxGrossNormalStressMPa": 20.22056292992562, "maxTorsionNmm": 15015.349499788605, "maxSupportResultantN": 631.254338562804, "forceEquilibriumErrorN": 3.4588767797950003e-10, "momentEquilibriumErrorNmm": 3.787445166381076e-07, "linearityChecked": true, "freeResidualN": 1.8036914184449415e-09}, {"case": "vertical_1kN_leg1_plus_member_selfweight", "maximumTranslationMm": 0.06835996278160274, "maxGrossNormalStressMPa": 18.895480260908258, "maxTorsionNmm": 15002.700161751767, "maxSupportResultantN": 589.2658139750761, "forceEquilibriumErrorN": 9.17322901666795e-11, "momentEquilibriumErrorNmm": 9.993527783080935e-08, "linearityChecked": true, "freeResidualN": 6.669138574721956e-10}], "meshRefinement": {"maximumRelativeDisplacementDifference": 0.0065497809316883, "method": "Each horizontal interval split in half; all physical upright and anchor stations retained.", "fineResults": [{"case": "all_leg_outward_0.74N_per_mm", "maximumTranslationMm": 2.8144018999407585, "maxGrossNormalStressMPa": 47.54429918789807, "maxTorsionNmm": 6279.145258897304, "maxSupportResultantN": 1523.6154078732307, "forceEquilibriumErrorN": 2.8836421028799464e-08, "momentEquilibriumErrorNmm": 0.000263440700754141, "linearityChecked": true, "freeResidualN": 1.3731585113418987e-06}, {"case": "all_leg_outward_1.5N_per_mm", "maximumTranslationMm": 5.704868716097126, "maxGrossNormalStressMPa": 96.37357943493049, "maxTorsionNmm": 12727.997146397422, "maxSupportResultantN": 3088.409610555761, "forceEquilibriumErrorN": 3.342327904842096e-07, "momentEquilibriumErrorNmm": 0.0003659541979720183, "linearityChecked": true, "freeResidualN": 5.348119884729385e-06}, {"case": "single_leg_outward_1.5N_per_mm_leg0", "maximumTranslationMm": 5.781294324726826, "maxGrossNormalStressMPa": 86.94399484581855, "maxTorsionNmm": 12731.447212238738, "maxSupportResultantN": 3120.421811455237, "forceEquilibriumErrorN": 7.052563864989869e-07, "momentEquilibriumErrorNmm": 0.0009610369741986686, "linearityChecked": true, "freeResidualN": 2.309373257958214e-06}, {"case": "individual_infill_500N_leg0", "maximumTranslationMm": 1.10764855561736, "maxGrossNormalStressMPa": 43.398100747729146, "maxTorsionNmm": 18299.021484481593, "maxSupportResultantN": 2447.946476441937, "forceEquilibriumErrorN": 8.664630283226893e-09, "momentEquilibriumErrorNmm": 9.487340168945549e-06, "linearityChecked": true, "freeResidualN": 1.89291313290596e-07}, {"case": "single_leg_outward_1.5N_per_mm_leg1", "maximumTranslationMm": 0.22111075784837297, "maxGrossNormalStressMPa": 18.654072962906348, "maxTorsionNmm": 964.1388008514259, "maxSupportResultantN": 728.8059654883532, "forceEquilibriumErrorN": 3.008126591569349e-08, "momentEquilibriumErrorNmm": 4.9966704355526645e-05, "linearityChecked": true, "freeResidualN": 3.7290684318236345e-08}, {"case": "individual_infill_500N_leg1", "maximumTranslationMm": 0.9178446351264781, "maxGrossNormalStressMPa": 43.94021334796675, "maxTorsionNmm": 18648.992662775054, "maxSupportResultantN": 2221.3477156097497, "forceEquilibriumErrorN": 6.3253971054055835e-09, "momentEquilibriumErrorNmm": 1.055685435626969e-05, "linearityChecked": true, "freeResidualN": 1.0099029168486595e-08}, {"case": "vertical_1kN_leg0", "maximumTranslationMm": 0.07520737385627635, "maxGrossNormalStressMPa": 20.232580860319665, "maxTorsionNmm": 15017.186283747964, "maxSupportResultantN": 567.1222866272426, "forceEquilibriumErrorN": 6.405512241068265e-09, "momentEquilibriumErrorNmm": 9.731230387813782e-06, "linearityChecked": true, "freeResidualN": 1.9196704670321196e-08}, {"case": "vertical_1kN_leg1", "maximumTranslationMm": 0.06792859123671927, "maxGrossNormalStressMPa": 18.840748093849797, "maxTorsionNmm": 15002.954167041611, "maxSupportResultantN": 533.797956029605, "forceEquilibriumErrorN": 2.5282246955693477e-10, "momentEquilibriumErrorNmm": 4.121271530501324e-07, "linearityChecked": true, "freeResidualN": 1.6934791347011924e-09}, {"case": "member_selfweight_only", "maximumTranslationMm": 0.004539567311642676, "maxGrossNormalStressMPa": 0.37226462005596617, "maxTorsionNmm": 194.2346462805526, "maxSupportResultantN": 70.1896127030621, "forceEquilibriumErrorN": 3.0425043634116876e-10, "momentEquilibriumErrorNmm": 3.327040758449584e-07, "linearityChecked": true, "freeResidualN": 2.9763214115519077e-09}, {"case": "vertical_1kN_leg0_plus_member_selfweight", "maximumTranslationMm": 0.07212822401470509, "maxGrossNormalStressMPa": 20.20189945703063, "maxTorsionNmm": 15015.350829368617, "maxSupportResultantN": 631.238627274566, "forceEquilibriumErrorN": 9.335569735267608e-10, "momentEquilibriumErrorNmm": 2.8601835665453537e-06, "linearityChecked": true, "freeResidualN": 2.264278009533882e-08}, {"case": "vertical_1kN_leg1_plus_member_selfweight", "maximumTranslationMm": 0.06831082285509872, "maxGrossNormalStressMPa": 18.878861651060078, "maxTorsionNmm": 15002.734346639732, "maxSupportResultantN": 589.1940285033462, "forceEquilibriumErrorN": 5.37905268070682e-10, "momentEquilibriumErrorNmm": 5.888759915251285e-07, "linearityChecked": true, "freeResidualN": 4.060642933012559e-09}]}, "limitations": ["No weld flexibility/resistance, corner seam resistance, anchor compliance/capacity, net-hole section, local stability, plate prying, torsional resistance or galvanizing qualification.", "Ideal support translation at reference fascia lines and top ends; endplate/anchor group eccentricities not resolved.", "No physical validation; gross parent normal stress is not a compliance criterion."], "meaning": "Inherited preliminary sensitivities,not rerun or independently verified"}
Source:evidence/CALCULATIONS.json
geometryChecks [supported]
{"validSolids": 156, "volumeErrorMm3": 2.3096799850463867e-07, "collisions": [], "toolChecks": [{"side": "Start", "zMm": 1000, "hits": []}, {"side": "Start", "zMm": 1060, "hits": []}, {"side": "End", "zMm": 1000, "hits": []}, {"side": "End", "zMm": 1060, "hits": []}, {"leg": 0, "stationMm": 60.0, "rowZmm": -140, "hits": []}, {"leg": 0, "stationMm": 60.0, "rowZmm": -320, "hits": []}, {"leg": 0, "stationMm": 285.0, "rowZmm": -140, "hits": []}, {"leg": 0, "stationMm": 285.0, "rowZmm": -320, "hits": []}, {"leg": 0, "stationMm": 493.0, "rowZmm": -140, "hits": []}, {"leg": 0, "stationMm": 493.0, "rowZmm": -320, "hits": []}, {"leg": 0, "stationMm": 745.0, "rowZmm": -140, "hits": []}, {"leg": 0, "stationMm": 745.0, "rowZmm": -320, "hits": []}, {"leg": 0, "stationMm": 964.0, "rowZmm": -140, "hits": []}, {"leg": 0, "stationMm": 964.0, "rowZmm": -320, "hits": []}, {"leg": 0, "stationMm": 1190.0, "rowZmm": -140, "hits": []}, {"leg": 0, "stationMm": 1190.0, "rowZmm": -320, "hits": []}, {"leg": 0, "stationMm": 1416.0, "rowZmm": -140, "hits": []}, {"leg": 0, "stationMm": 1416.0, "rowZmm": -320, "hits": []}, {"leg": 0, "stationMm": 1635.0, "rowZmm": -140, "hits": []}, {"leg": 0, "stationMm": 1635.0, "rowZmm": -320, "hits": []}, {"leg": 0, "stationMm": 1887.0, "rowZmm": -140, "hits": []}, {"leg": 0, "stationMm": 1887.0, "rowZmm": -320, "hits": []}, {"leg": 0, "stationMm": 2095.0, "rowZmm": -140, "hits": []}, {"leg": 0, "stationMm": 2095.0, "rowZmm": -320, "hits": []}, {"leg": 0, "stationMm": 2320.0, "rowZmm": -140, "hits": []}, {"leg": 0, "stationMm": 2320.0, "rowZmm": -320, "hits": []}, {"leg": 1, "stationMm": 60.0, "rowZmm": -140, "hits": []}, {"leg": 1, "stationMm": 60.0, "rowZmm": -320, "hits": []}, {"leg": 1, "stationMm": 250.0, "rowZmm": -140, "hits": []}, {"leg": 1, "stationMm": 250.0, "rowZmm": -320, "hits": []}, {"leg": 1, "stationMm": 440.0, "rowZmm": -140, "hits": []}, {"leg": 1, "stationMm": 440.0, "rowZmm": -320, "hits": []}, {"leg": 1, "stationMm": 630.0, "rowZmm": -140, "hits": []}, {"leg": 1, "stationMm": 630.0, "rowZmm": -320, "hits": []}, {"leg": 1, "stationMm": 820.0, "rowZmm": -140, "hits": []}, {"leg": 1, "stationMm": 820.0, "rowZmm": -320, "hits": []}]}
Source:evidence/GEOMETRY.json
testedResults [missing]
null
Source:evidence/GEOMETRY.json
independentVerification [missing]
null
Source:evidence/GEOMETRY.json
tolerances [missing]
"No fabrication/installation/coating/fit tolerances accepted; model nominal dimensions only."
Source:evidence/GEOMETRY.json
substrateAndFixings [missing]
"Two fascia rows on both legs and BOTH top wall end ties. Actual anchors/substrates/edge distances/packing/plate eccentricities/prying unverified. Source report gives maximum support resultants only;correlated force/moment reactions per support are missing. Do not derive anchor design from maxima."
Source:evidence/CALCULATIONS.json;evidence/GEOMETRY.json
installation [provisional]
"Draft hold-point sequence supplied separately; competent installation method and temporary edge protection/lifting plan required."
Source:evidence/GEOMETRY.json;INSTALLATION-MAINTENANCE-DRAFT.txt
maintenanceAndCleaning [provisional]
"Inspect welds, corrosion, coating damage and fixings; isolate unsafe guard after impact/movement. Cleaning chemistry, intervals and repair system depend on selected coating and exposure; no interval or chemical compatibility claimed."
Source:INSTALLATION-MAINTENANCE-DRAFT.txt
durabilityAndWarranty [missing]
"No verified service life, exposure category, warranty terms or exclusions supplied."
Source:evidence/GEOMETRY.json
environmental [missing]
"No product-specific EPD, recycled-content percentage, embodied-carbon assessment or end-of-life route verified. Steel recovery potential is not a quantified product claim."
Source:No evidence in inspected source pack
CAD [supported]
{"format": "STEP", "revision": "STEEL-LAYOUT-R1", "filename": "evidence/L-2400-900.step", "sha256": "de759c9fd94b96c4be77547faa7cf5a0a200fda8c1fee322a1b024d5e1a727e3"}
Source:SOURCE-TRACE.json
drawings [missing]
"Nominal source STEP and cut-blank data supplied;no accepted production/installation drawing set or manufacturing tolerances."
Source:evidence/BOM.json
BIM [missing]
"No native Revit/IFC object supplied or validated. STEP does not establish BIM delivery."
Source:../SOURCE-CATALOG.json;source pack inspection
literatureAndDownloads [provisional]
"LocalR12 exact L-layout draft data/clause/method/CAD/source summaries;no public download release performed."
Source:SOURCE-TRACE.json
origin [missing]
"Manufacturing country not established for this kit; do not infer from site badge."
Source:No matching origin evidence inspected
commercial [provisional]
"No matched completed L-layout cost or price;straight/roundbar kit prices do not transfer. Include stock/mitres/corner welds/finish/QA/handling/packing/APGfreight."
Source:SOURCE-TRACE.json
generalEnquiryRoute [supported]
"enquiries@architecturalproducts.uk;general enquiry route,named technical engineer remains unconfirmed."
Source:../SOURCE-CATALOG.json
correlatedFixingVectors [missing]
null
Source:evidence/CALCULATIONS.json
massAndHandlingReview [provisional]
{"reportedKg": 164.21623011949086, "reviewFlag": "Product-specific lifting/handling/transport/finish review required;whole-range valueengineeringLATER", "designChanged": false}
Source:evidence/BOM.json