ABPL20033 - Construction Analysis, Semester 2 - 2021 Subject coordinator: Dr Alberto Pugnale Tutor: Dr Atefeh Zohourian Jessie (Jiaqi) Sun, 1174124, 07/08/2021 Limestone House, Tutorial 18 ASSIGNMENT 1
FLIPBOOK SECTION AS-BUILT: assigned section and construction sequence Cover image, photo by Dianna Snape
ABPL20033 - 2021, JESSIE (JIAQI) SUN | 1174124 |TUTORIAL 18 | Zohourian | p. 2
ABPL20033 - 2021, JESSIE (JIAQI) SUN | 1174124 |TUTORIAL 18 | Zohourian | p. 3
2. GROUND FLOOR SLAB SITE PREPERATION AND FOOTING 1.1 The construction process can start after relevant permissons are approved. 1.2 Clearing the site to create a good site condition. 1.3 Site offices are set up inside the site area 1.4 Excavated the surrounding sandland in target site area for site preperation. 1.5 Foundation material will be inspected by building survey. 1.6 New pad footings and strip footings is founded at least 100mm below the underlaying natural clays with minimum bearing capacity of 150kPa. Footings should installed in strict with recommended soil. 1.7 As soon as the excavation of footing is complete, footing should be poured to avoid ingress of loose sand. 1.6 Servicing pipes and plumbing systems are laid out to determine the walls of the project. 1.7 Service trenches were dugged out with the excavator. 1.8 The pipes are placed and capped to avoid foreign objects entering the pipe. 1.9 Blinding concrete(f’c=15MPa, embed 100mm min into firm natural material)is poured into the trenches to provide extra supporting for main foundation and footing. 1.10 Strip footing(600W x 500Deep, 32MPa) 1.10 Footing Exposure is A1, Grade N25 in 80mm.
2.1 All debris, surface vegetation, building rubble and top soil should be cleared from the area and to be proof rolled to consisting site condition. 2.2 Soft spots exposed after the proof rolling is removed and filled in. 2.3 Soil report is made to test the condition of the soil and sand. The classification is Class P/M, equivalent masonry construction according to AS 2870-2011. 2.4 The filling material is underside the sand bed. The total depth of filling to underside of sand bed is less than 100mm. 2.5 Construct basement slab: 50mm bedding sand is placed where trenches are excavated for foundation. 0.2mm polythene membrane is placed above bedding sand, which blocks moisture and contaminants for slab above. 100mm thick raft slab f’c-25MPa, SL82 top, 30 cover on top 2.6 120mm thick infill slab f’c=25MPa is covered on 0.2mm polythene membrane on 50mm bedding sand on compacted subgrade; 100mm thick infill slab f’c=25MPa to over installation to plant room and cellar; 100mm thick paving slab f’c=25MPa cover on 0.2mm polythene membrane on 50mm bedding sand on compacted subgrade. 2.6 Construct basement walls 2.7 Construct ground floor slab over basement 2.8 Slab needs to cure (28 days min)before grouting up dowel bar sleeved pokets connecting basement walls to PT slab(PT contractor to confirm)
3. VERTICAL STRUCTURE ABOVE GROUND 3.1 Once ground floor slab is cured and reached adequate strength capabilities, structural framing may start. 3.2 Structural steel posts are welted and bolted to establish the columns. 3.3 Timber stud framing made up of top plate, bottom plate and noggings. All material, workmanship, fabrication and erection shall follows AS684. WT.01(140x45mm) framed the external walls; WT.02(90x45mm) framed internal walls; WT.03(70x45mm) framed the wall bracing and lift support struction in wall. 50x5 diaganal bracing constructed to provide support for the framing system 3.4 Membrane around wall to create air barrier, smart vapour control and dense-pack reinforcement.
Construction stages 1-4, summary ABPL20033 - 2021, JESSIE (JIAQI) SUN | 1174124 |TUTORIAL 18 | Zohourian | p. 4
4. INTERMEDIATE FLOOR STRUCTURE 4.1 Scaffolding is erected for easier and safer construction process 4.2 13mm Plaster board beneath layed at the bottom for water resistance 4.3 Internal: Timber floor joists(140x45mm) and truss are layed for mainly first floor area. Oriented strand board is layed over floor joist. Direct fix timber floor (TF-01) is layed over OSB board. 4.4 Terrace: Timber joists (130x45mm) are layed in terrace area. Thermal and acoustic insulation beneath the truss system. Timber decking is(TF-03) applied on balconies and terrace 4.5 19mm thick, 100mm wide timber decking installed on floor of balcony and terrace.
5.ROOF SYSTEM: ROOF STRUCTURE, SHEETING, COVER AND SKYLIGHT SYSTEM 5.1 Roof joists (RT1,Pryda FT300) are constructed as roof structure for bedrooms and ensuit on first floor. 140x45mm roof joists are constructed as roof structure for stair area. 5.2 Airtight membrane wrapped onto transom 5.3 Thermal insulation installed 5.4 18mm Oriented strand board as roof sheathing for vapour permeable is layed above the insulation. 5.5 A ventilated roof space is left in between the roof perlins and OSB substrate, overall 190x45mm. 5.6 Metal deck roof on purlins over spacers to maintain drainage zone. 5.7 The stair area roof has a 45 degree fall angle. 385mm wide roof parapet profile covered. Timber parapet to encapsulate roof sheeting 5.8 The skylight of His study has firstly a 17 degree angle fall from horizontal, then a 58 degree angle fall from horizontal. 5.9 Angled reinforcing to support the skylight with 3mm open joints for connection. A 55mm minimum depth of gutter to fall north south to guide the rainwater to the ground.
6. EXTERNAL WALL (CLADDING INCLUDED), WINDOW SYSTEM, EXTERNAL DOORS
7. INTERNAL PARTITIONS, CEILING STRUCTURE, ROUGHTIN SERVICES, WALL LINING
8. FINISHING TRADES, JOINERY, APPLIANCES
6.1 External Wall (WT.01): 140x45 timber stud frame wall at 450 max CRS, 100mm masonry veneer constructed outside the frame wall. 6.2 Window: All glazing to comply with australian standards 1288 (glass in buildings) and the glazing section of the specification. 13mm thick window support shelf angle. Primed steel ‘lintel’ fixed to slab edges. Bolts to have countersunk head to avoid penetration into the insulation. Thermal insulation installed 3mm thick aluminium edge trim plate adhesively fixed to insulation. Trimmed between window mullions with aluminium tabs for fixing into screed bed. Double or triple glazed windows as passive design strategy keeping heat inside and build acoustic barrier. 6.3 Window and door ventilation panel: 2940x1141mm Tilt and turn panel installed at the back of the Pond on the ground floor with 50mm framing around; 1810x780mm TTP installed at the west of His study.
7.1 WT.02(90x45) framed internal walls, timber stud walls are installed for internal non-load bearing partitions. 7.2 Waterproofing on the ceiling 7.3 Roof fully Insulated except skylights. 7.4 Oriented strand board is layed over 7.5 A ventilationed roof space left beneath roof structure 7.6 Electrical (powerpoints and switches), water, gas services rough in 7.7 Limestone block on stone clips fixed back to OSB for external wall 7.8 2x70mm thick glasswool thermal insulation with R-value of 4.0 installed for external timber framed walls; 90mm thick earthwool acoustic insulation with R-value of 2.5 installed for interal walls(bedrooms, ensuits, powder room, bathroom, lift and all service risers) 7.9 Timber wall lining in internal walls
8.1 7mm silver birch carpet applied in theatre 8.2 Selected timber installed on site internally 8.3 Installation of woven rattan screen on first floor 8.4 Internal wall and ceiling painted; Timber floor finish painted on timber floor and stair treads; Paint finish on timber material, entry door and internal exposed columns; Enamel painted on doors and skirting joinery; Finish acrylic painted on external fences; Epoxy coating painted on terrace balustrade steel and courtyard beam. 8.5 Basic services including air condition, heating system and exhaust fans are installed accordingly. 8.6 Screeding the gaps between tile. 8.7 Check all the pipes and wires 8.8 Switches, powerpoints and lightings are installed where appropriate 8.9 Furnitures, shelves and cabinets placed and installed. 8.10 Whole house including garden space cleaned.
Construction stages 4-8, summary ABPL20033 - 2021, JESSIE (JIAQI) SUN | 1174124 |TUTORIAL 18 | Zohourian | p. 5