St Botolphs, Aldgate, London - Permasteelisa
Developer: Minerva
Project Manager: GVA Second London Wall
Architect: Grimshaws
Consultant: Montresor Partnership
Main Contractor: Skanska
Structural Engineer: Ove Arup
Building Services Engineer: Roger Preston Associates
http://www.saintbotolphs.co.uk/
The project includes some 25,000m2 of glazing, including:
ENI: GROUND FLOOR GLAZING
Glazing and Entrance Doors to Ground Floor
EN2: VERTICAL LOUVRES
Louvres to Ground Floor and Core Recesses Levels 1 to 13
EN3: CORE CLADDING
Glazing at Ground Floor, Levels 1 to 14 and Roof.
EN4: OFFICE CLADDING
Glazing, Spandrels and Visors to Levels 1 to 12.
EN5: LEVEL 13 CLADDING
Glazing and Doors to Level 13.
EN6: ROOF PLANT SCREENS
Roof Level Aluminium Blade Screens.
EN8 ATRIUM ROOF AND LIFT MOTOR ROOM CLADDING
Glazing to Atrium roof and Aluminium Panels to Lift Motor Room and
internal Louvres to Atrium Roof Walls
NTI: ATRIUM WALLS
Glazing, Spandrels and Facing Panels to Levels 1 to 13.
EN1: An assembly of silicone jointed, concealed toggle fixed glazing incorporating:
- full height high performance low-E coated glass vision panels (Glass Type: GTl)
- stainless steel sheet wrapped mild steel ‘T’ section mullions and channel section head and cill transoms
- stainless steel panel faced thermally insulated stall risers
- high level stainless steel trunking for electrical services with removable, secret fixed cover plates
- stainless steel insulated ‘goal post’ frames to doors with services cut outs, heater casing mountings etc.
- frameless clear single glazed revolving doors - manual
- frameless clear single glazed side pivot doors - automatic
- full perimeter membranes and thermal insulation to adjacent construction
EN2: An assembly of aluminium louvre blades incorporating:
- extruded aluminium louvre blades with concealed clip fixings
- alternating stainless steel and aluminium louvre end plates @ -31.5m centres
- mild steel ‘T’ section mullions (Ground Floor)
- thermally insulated aluminium back pans (Ground Floor - except areas of Loading Bay)
- reconstituted stone and aluminium panel faced thermally insulated stall risers
- high level stainless steel trunking for electrical services with removable, secret fixed cover plates
- aluminium blanking plates
- black stainless steel bird guard mesh to open areas
- mineral fibre rainscreen thermal insulation with black breather membrane to outer surface
- air seals / vapour barriers to solid substrates or aluminium lining panels where no substrate
- paired side pivot frameless louvre and panel faced doors
- sliding frameless louvre faced Loading Bay doors
- side pivot frameless louvre and panel faced doors to fire fighting wet riser cupboards
- side pivot frameless louvre and panel faced doors to Street Lighting electrical cupboards
- full perimeter membranes and thermal insulation to adjacent construction
EN3: An assembly of silicone jointed (to mullions) and pressure plate and cap jointed (to transoms), concealed toggle fixed glazing with clamp fixed and glass fin supported glazing at high level incorporating
- solar control / low-E coated glass vision panels (Glass Types: GT3 and GT4) fixed to steel framing and/or concrete walls with machined aluminium bracketry
- glazing supports and gasket sealing profiles
- bespoke extruded aluminium pressure plates and caps with vertical fin details to transom ends adjacent to EN2
- stainless steel mid-span hanger rods and turnbuckles to 6m span transoms only
- automatic (with fully concealed cable routes) and manual silicone bonded side hung outward opening lights
- vertical and horizontal smoke seals and inserts in interlocking aluminium carrier profiles
-stainless steel bracketry for high level point fixed glazing
- external access restraint fixings
- full perimeter membranes and thermal insulation to adjacent construction
EN4: An assembly of extruded aluminium framed silicone glazed storey height unitised panels with external glass visors incorporating:
- bent and flat solar control / low-E coated glass vision panels (Glass Type: GT5)
- bent and flat aluminium faced thermally insulated spandrel panels
- bent and straight bespoke extruded aluminium frames
- bent and flat aluminium internal lining panels
- bent and flat fritted clear and body tint blue glass visors (Glass Type: GT6) with stainless steel edge clamps and silicone bonds to aluminium
frames and bracketry (with aluminium louvres at Level 1 and Street Lighting bracketry and cable conduit)
- external access restraint fixings
- removable bespoke perforated stainless steel grilles to tops of glass visors
- removable aluminium closer panels beneath glass visors
- stainless steel balustrade at Level 13
- full perimeter membranes and thermal insulation to adjacent construction
EN5: An assembly of extruded aluminium framed silicone glazed storey height unitised panels incorporating:
- solar control / low-E coated glass vision panels (Glass Type: GT7)
- aluminium faced thermally insulated spandrel panels
- extruded aluminium frames
- external aluminium panels
- concealed frame silicone bonded side hung doors
- full perimeter membranes and thermal insulation to adjacent construction
EN6: An assembly of large scale profiled aluminium blade sections with aluminium bracketry on galvanised mild steel support structures
incorporating:
- bent and straight profiled aluminium blade sections with bespoke extruded aluminium nosings and aluminium bracketry
- galvanised mild steel framed support structures
EN8: An assembly of triangular clamp fixed glass vision panels supported from a mild steel framed dia-grid support shell over the Atrium, a pressed aluminium panel rainscreen to the Lift Motor Room and internal and external louvre screening to the Atrium Roof walls (System ENIO)
incorporating:
- fritted solar control / low-E coated glass vision panels (Glass Type: GT8)
- painted welded connection RHS mild steel structural steelwork
- glazing supports and gasket sealing profiles
- external aluminium clamp fixings
- thermally insulated pressed aluminium perimeter gutters
- pressed aluminium cassette panels with open joints and hook-on fixings to concealed channel frames on the Lift Motor Room walls
- mineral fibre rainscreen thermal insulation to Lift Motor Room walls
- air seals /vapour barriers to Lift Motor Room walls
- internal extruded aluminium louvre blades with concealed clip fixings to the Atrium Roof walls
- aluminium louvre end plates @ -3m centres
- extruded aluminium louvre blades on a sliding and folding aluminium framing in front of and concealing side hung aluminium framed doors in the
System EN10 Atrium Roof walls
- side hung aluminium framed doors to the Lift Motor Room
- full perimeter membranes and thermal insulation to adjacent construction
NT1: An assembly of extruded aluminium framed glazed unitised panels incorporating:
- floor to ceiling height single glazed clear glass vision panels (Glass Type: GT9)
- aluminium faced thermally insulated spandrel panels with local cut outs for duct, general services and structural penetrations
- bespoke extruded aluminium frames
- bespoke perforated aluminium sound absorbing facing panels with local cut outs for duct, general services and structural penetrations
- smoke seals
- concealed frame silicone bonded side hung doors
- full perimeter membranes and thermal insulation to adjacent construction