POSI-JOIST STANDARD DETAILS VERSION 2, 25/11/02.

Transcription

1 POSIJOIST STANDARD DETAILS VERSION 2, 25/11/02.

2 PSD27 Service Void Posiweb over bearing by min 15mm 100mm Mineral wool insulation quilt 23kg/m2. Floor Comprising: 22mm T & G Chipboard on 19mm Plasterboard Plank on 47x75mm Resilient floor batten at 600mm centres on 18mm T & G Chipboard. All T & G edges glued. 200 approx Mineral wool cavity barrier. First PosiJoist beam set back from wall by approx 200mm PosiJoists Parallel to wall. 47x 89 Continuous Pack Plasterboard noggins SERVICE VOID Ring Beams in solid timber or LVL. Ceiling (not shown) comprising: 2 Layers 15mm Gyproc Fireline Board on 16mm resilient bars at 400mm centres. First layer fixed with 38mm Gyproc screws at 230mm centres. Second layer fixed with 60mm Gyproc screws at 230mm centres. Staggered with first layer screws. Lay Firleline board in echelon pattern with staggered joints. 2 no 30 x 200mm GMS Straps at 1200mm centres. Bead of sealent applied to floor deck prior to fixing 19mm plasterboard plank. 47x 89 Packs between joists. PosiJoists Bearing on wall. CONTENTS PSD01 PosiJoist to girder. PSD02 Bottom chord fixing (with noggins). PSD03 Bottom chord fixing (with continuous estraint). PSD04 Top chord fixing to timber frame. PSD05 Masonry hanger (with noggins). PSD06 Masonry hanger ( with continuous ledger). PSD07 Bottom chord built into masonry. PSD08 Top chord built into masonry. PSD09 Continuous joist through masonry. PSD10 Top chord fixing to steel. PSD11 Internal bearing. PSD12 Partitions parallel to floor. PSD13 Partitions above and parallel to floor. PSD14 Maximum duct sizes. PSD15 Edge closure. PSD16 Staircase opening 1. PSD17 Staircase opening 2. PSD18 Narrow opening 1. PSD19 Narrow opening 2. PSD20 Strongback 1. PSD21 Strongback 2. PSD22 Strongback bridging. PSD23 Strongback splice. PSD24 Horizontal restraint fixed to strongback. PSD25 Horizontal restraint. PSD26 Timber frame compartment wall/party wall. PSD27 Timber frame compartment wall/party wall (with service void). TYPICAL TIMBER FRAME COMPARTMENT FLOOR / PARTY WALL DETAIL WITH SERVICE VOID

3 PSD01 100mm Mineral wool insulation quilt 23kg/m2. Posiweb over bearing by min 15mm PSD26 Simpson L70 angles or similar as specified by design Mineral wool cavity barrier. Floating Floor Comprising: 18mm T & G Chipboard on 19mm Plasterboard Plank on 25mm Fibreglass Slab on 18mm T & G Chipboard. All T & G edges glued, and 19mm plank bonded to chipboard with dabs of Gyproc sealant at 300mm centres. Joints between chipboard and plasterboard to be staggered and board direction reversed. 2 no 30 x 200mm GMS Straps at 1200mm centres. Bead of sealent applied to floor deck prior to fixing 19mm plasterboard plank. 47x 89 Continuous Pack Simpson LBV or Cullen OWF/ OWT hangers. 47x 89 Packs between joists. Bottom member of posi to be notched over bottom flange of hanger POSIJOIST TO GIRDER DETAIL 200 approx First PosiJoist beam set back from wall by approx 200mm PosiJoists Parallel to wall. Plasterboard noggins Ring Beams in solid timber or LVL. Ceiling (not shown) comprising: 2 Layers 15mm Gyproc Fireline Board on 16mm resilient bars at 400mm centres. First layer fixed with 38mm Gyproc screws at 230mm centres. Second layer fixed with 60mm Gyproc screws at 230mm centres. Staggered with first layer screws. Lay Firleline board in echelon pattern with staggered joints. PosiJoists Bearing on wall. TYPICAL TIMBER FRAME COMPARTMENT FLOOR / PARTY WALL DETAIL

4 PSD25 PSD02 35 x 97 C16 twice nailed to brace using 3.1 x 75mm long galvanised wire nails 47x72 top chord restraint fixed between beams Strap fixed with a minimum of four fixings of which at least one is to be over the third joist. Head binder HORIZONTAL RESTRAINT STRAP DETAIL BOTTOM CHORD FIXING TO TIMBER FRAME (with restraint noggins)

5 PSD03 PSD24 Continuous 47x72 top chord restraint fixed over ribbon block. Twice nailed to brace using 3.1 x 75mm long galvanised wire nails Strap fixed with a minimum of four fixings of which at least one is to be over the third joist. Head binder BOTTOM CHORD FIXING TO TIMBER FRAME (with continuous restraint) HORIZONTAL RESTRAINT STRAP FIXED TO STRONGBACK

6 PSD23 PSD04 38x75 (min) blocks twice nailed to top and bottom members and twice nailed to brace using 3.1 x 75mm long galvanised wire nails Posiweb over bearing by min 15 mm 47x89 Packing piece 35 x D x 1200mm long splice fixed with 10 no 3.1 x 75mm galvanised wire nails each side of splice, nailed through and clenched over on far side 35 x D strongback, see table for depths. Ring beam (size to suit) Max 6mm gap WEB SIZE PS8, PS9 & PS10 PS210, PS14 & PS16 STRONGBACK DEPTH STRONGBACK SPLICE 40x47 Continuous plasterboard noggin TOP CHORD FIXING TO TIMBER FRAME

7 PSD05 PSD22 47x72 top chord restraint fixed between beams Twice nailed to brace using 3.1 x 75mm long galvanised wire nails Position strongbacks tight to underside of top chord. Minimum bearing determined by design (choose correct hanger for load, bearing width and courswork level of hanger bearing flange) MASONRY HANGER DETAIL STRONGBACK BRIDGING (webs with built in verticals)

8 PSD21 PSD06 Continuous 47x72 ledger fixed over ribbon block. Twice nailed to brace using 3.1 x 75mm long galvanised wire nails Position strongbacks tight to underside of top chord. Minimum bearing determined by design (choose correct hanger for load, bearing width and courswork level of hanger bearing flange) INSERT STRONGBACK THROUGH JOISTS BEFORE FIXING JOISTS. IT CANNOT BE INSTALLED AFTER JOISTS HAVE BEEN FIXED. STRONGBACK DETAIL (webs with built in verticals) Fix at a maximum of 4.0 metre centres. MASONRY HANGER DETAIL (continuous ledger)

9 PSD07 PSD20 Blockwork to continue between beams to provide restraint 38x75 (min) blocks twice nailed to top and bottom members and twice nailed to brace using 3.1 x 75mm long galvanised wire nails Position strongbacks tight to the underside of top chord. 35mm x D strongback, see table for depth (DTLR Robust Detail For Thermal Bridging should be observed) WEB SIZE PS8, PS9 & PS10 PS210, PS14 & PS16 STRONGBACK DEPTH INSERT STRONGBACK THROUGH JOISTS BEFORE FIXING JOISTS. IT CANNOT BE INSTALLED AFTER JOISTS HAVE BEEN FIXED. BOTTOM CHORD BUILT INTO MASONRY STRONGBACK DETAIL Fix at a maximum of 4.0 metre centres.

10 PSD19 PSD08 Continuous 47x72 ledger fixed to wall. Simpson L70 angles or similar as specified by design Beam (depth to suit) slotted through girders Packing piece to pick up ceiling Max 6mm gap (DTLR Robust Detail For Thermal Bridging should be observed) NARROW OPENING TOP CHORD BUILT INTO MASONRY

11 PSD09 PSD18 Solid timber block with grain parallel to span Simpson L70 angles or similar as specified by design Simpson LBV or Cullen OWF / OWT hangers (DTLR Robust Detail For Thermal Bridging should be observed) Trimmer to be notched over bottom flange of hanger CONTINUOUS JOIST THROUGH MASONRY NARROW OPENING

12 PSD17 Posiweb over bearing by 15mm min Posiweb over bearing by 15mm min. PSD10 Simpson L70 angles or similar as specified by design Simpson LBV or Cullen OWF / OWT hangers 47x89 Noggins between top chords Timber plate fixed to top of steel Solid timber or LVL trimmer depth to suit Trimmer to be notched over bottom flange of hanger Max 6mm gap Timber pack fixed to beam (size to suit) STAIRCASE OPENING TOP CHORD FIXING TO STEEL

13 PSD11 PSD16 Simpson L70 angles or similar as specified by design Simpson LBV or Cullen OWF / OWT hangers Bottom member of posi to be notched over bottom flange of hanger INTERNAL BEARING STAIRCASE OPENING

14 PSD15 PSD12 35mm Prefabricated edge closure Prefaced with plywood with 20mm lap at the top edge. Wall panel skew nailed through onto noggin with a min of 2 no 3.35 dia galvanised wire nails, length to suit. Noggin nailed down onto wall panel as above. 50 min Simpson Z35N clips. Edge closure to be supplied to site 4.8m long and cut on site as required. EDGE CLOSURE DETAIL 38x89 C16 (min) noggins at max 600mm centres NONLOADBEARING PARTITIONS PARALLEL TO FLOOR BEAMS.

15 PSD13 PSD14 Purpose made noggins at max 600mm centers. Wall panels skew nailed through onto noggins with a min of 2 no 3.35 dia galvanised wire nails, length to suit. W POSI STRUT SIZE PS8 PS9 PS10 PS210 PS14 PS16 W CIRCLE DIA RECTANGLE DEPTH SQUARE RECTANGLE WIDTH NONLOADBEARING PARTITIONS ABOVE AND PARALLEL TO FLOOR BEAMS. INSERT LARGE SERVICES THROUGH JOISTS BEFORE FIXING JOISTS. IT MAY NOT BE POSSIBLE AFTER JOISTS HAVE BEEN FIXED. MAXIMUM DUCT SIZES