finish: annealed and pickled mill finish / polished / coloured / etched / mirrored / form: see drawings sheet / section / perforated / expanded / meshed / screened aluminium finish: mill / anodising / liquid organic coating / powder coating colour: … finish: matt / satin / high gloss / hammertone / textured prefinished sheet metal products Organic film coating on steel, aluminium, stainless steel for interior and exterior use. type: 1 / 2a / 2b / 3 / 4 / 5a / 5b / 6a / 6b / as required 1 (interior, requiring further application after fabrication); 2a (dry areas); 2b (wet corrosive areas); 3 (mild to moderate rural, urban, tropical and industrial environments); 4 (marine and industrial); 5a (severe marine); 5b (heavy industrial and industrial marine); 6a (very severe marine); 6b (very severe industrial) colour: … finish: flat / semi-gloss / gloss dry film thickness: … type of substrate: hot dip galvanized steel / aluminium / stainless steel 15.5 Stairs and ramps type: see drawings straight / spiral / dogleg / combination / helical / security/fire / enclosed The rule in SANS 10400 M of a minimum going of 250 mm and a maximum rise of 200 mm often leads to a – disregard for another rule, stairway shall have dimensions appropriate to its use” (NBR part M i.e, “any … Stairways). The full range of a more comfortable and safer proportion within the rule that sum of the “the going and twice the riser is not less than 570 mm and not more than 650 mm” would be: 180/280 mm; 170/280 310 mm; 150/280 350 mm and should be used in most public buildings. – – Public ramps must have a safe gradient and frequent landings for disabled persons. Check with SANS 10400-S. structure: see drawings painted mild steel / stainless steel / wood, species treads: see drawings wood, species / stainless steel / steel / glass … balustrade / handrail: see drawings stainless steel / wood / glass / polymer concrete. Relevant standards: SANS 10400-M Stairways. SANS 10400-S Facilities for Persons with disabilities. SANS 10104 Handrailing and balustrading (safety aspects).
finish: annealed and pickled mill finish / polished / coloured / etched / mirrored / form: see drawings sheet / section / perforated / expanded / meshed / screened aluminium finish: mill / anodising / liquid organic coating / powder coating colour: … finish: matt / satin / high gloss / hammertone / textured prefinished sheet metal products Organic film coating on steel, aluminium, stainless steel for interior and exterior use. type: 1 / 2a / 2b / 3 / 4 / 5a / 5b / 6a / 6b / as required 1 (interior, requiring further application after fabrication); 2a (dry areas); 2b (wet corrosive areas); 3 (mild to moderate rural, urban, tropical and industrial environments); 4 (marine and industrial); 5a (severe marine); 5b (heavy industrial and industrial marine); 6a (very severe marine); 6b (very severe industrial) colour: … finish: flat / semi-gloss / gloss dry film thickness: … type of substrate: hot dip galvanized steel / aluminium / stainless steel 15.5 Stairs and ramps type: see drawings straight / spiral / dogleg / combination / helical / security/fire / enclosed The rule in SANS 10400 – M of a minimum going of 250 mm and a maximum rise of 200 mm often leads to a disregard for another rule, i.e, “any stairway … shall have dimensions appropriate to its use” (NBR part M Stairways). The full range of a more comfortable and safer proportion within the rule that “the sum of the going and twice the riser is not less than 570 mm and not more than 650 mm” would be: 180/280 mm; 170/280 – 310 mm; 150/280 – 350 mm and should be used in most public buildings. Public ramps must have a safe gradient and frequent landings for disabled persons. Check with SANS 10400-S. structure: see drawings painted mild steel / stainless steel / wood, species treads: see drawings wood, species … / stainless steel / steel / glass balustrade / handrail: see drawings stainless steel / wood / glass / polymer concrete. Relevant standards: SANS 10400-M Stairways. SANS 10400-S Facilities for Persons with disabilities. SANS 10104 Handrailing and balustrading (safety aspects).