Operational guide for Swiss drain cleaning contractors, sewer inspection specialists, and trenchless rehabilitation engineers: defect coding under EN 13508-2 / VSA, CIPP inliner relining, pressure testing under SIA 190, ADWO waste slurry disposal, and BKP 215.
Operational guide for Swiss plastering contractors, ornamental plasterers, and drywall specialists: surface finish levels Q1–Q4 under SMGV / SIA 241, VKF fire-resistant spray plasters, BKP 214, heritage run-in-place cornice moulding, and acoustic ceilings.
Operational guide for Swiss stonemasons, stone processing plants, and architectural stone fabricators: natural stone paving under SIA 248, BFU slip resistance classes (R9–R13), rainscreen stone façades under SIA 266, BKP 281, and block slab nesting.
Operational guide for Swiss masonry heater builders, stove fitters, and chimney engineers: kachelofen and fireplace design under SIA 384/3, VKF fire safety clearances, Swiss Clean Air Ordinance (LRV) particulate limits, chimney sizing under EN 13384, and BKP 243.
Operational guide for Swiss tiling contractors and wet area specialists: bonded waterproofing systems (AIV) under SIA Standard 248, wet area exposure classes under SPV / KBOB, BKP 272 / BKP 281, and gradient formation in barrier-free walk-in showers.
Operational guide for Swiss architectural sheet metal fabricators, tinsmiths, and building envelope contractors: standing seam metal roofing under SIA 232/2, roof drainage hydraulic sizing under SN 592000, BKP 225, and Suva fall safety.
Operational guide for Swiss ventilation contractors, sheet metal fabricators, and HVAC engineers: ductwork network sizing under SIA 382/1, leakage testing under EN 1507 / EN 12237, Minergie standards, VKF fire dampers, and BKP 244.