CPCCBC4010B - Assessment 6 – LA017855 Lee Mays: 804038671 CPCCBC5010B - Assessment 6 – LA018001 Lee Mays: 804038671 Question 1 Demolition of Existing Dwelling Plan Site Address: Contractor: Contact Name: Client: Phone No: Building Surveyor: Contact No: Project No: Office Number: ITEMS General Requirements NOTES Prior to any demolition planning or execution an investigation of the structure must be completed in accordance with clause 1.6 and clause 1.7.2.6 of AS2601‐2001 The investigation of the structure must include: Materials of construction; particularly location and nature of potentially hazardous materials Type of construction Investigation of structure Elements of members to maintain stability against vertical and horizontal loads Type, extent and status for services including gas, electrical, plumbing and telecommunications Condition of the structure Investigation of the site Work Plan Any other details of the structure regarding its strength or structuraly compromising factors The investigation of the site must include: Type, extent and status for services including gas, electrical, plumbing and telecommunications Location and extent of any underground structures including basements/other subfloors. Presence of any retaining structures that support adjoining ground or buildings Any hazardous or explosive materials located on the site. The location of any above ground services in particular power lines and telecommunications poles and cabling. The status of the land with regards to soil reactivity. The existence of any adjoining structures or fabrications A work plan must be prepared by a competent person and include: Location of the site Overall height of the structure above ground The occupancy class of the building as well as a brief description of the structure itself. Details of method of demolition proposed Guidelines for the safe handling of and disposal of demolition materials Detailed step by step account of demolition procedure and timeline Allocation of all required protective and preventative measures, i.e. overhead protection etc. The dimensions of the demolition exclusion zone boundaries All plans and illustrations and accompanying written documents as required. Provisions of a traffic management plan Provisions of an environmental management plan Explosives OH&S Systems in accordance with AS4801 When explosives are being used the following requirements of clauses 2.1.2.2 & 2.3 must be met: Before a contracts are awarded, an experienced person in the field of demolition, explosives and structural engineering must asses the suitability of the structure for demolition. All investigative reports (Structure & Site) including all drawings, plans and specifications must be included in any discourse with demolition experts. Elements of members to maintain stability against vertical and horizontal loads Execution In preparing the work plan to include the use of explosives all other required persons should be contacted. The work plan must include the submission requirements listed in AS 2187.2. The works must be executed by competent persons with all required licensing and approvals, with due regard at all times for safe working practices for people and surrounding structures. Modification to the works plan which may be necessary as the work progresses, must be made by a competent person in accordance with clause 2.1 with all relevant bodies notified Question 2 - Refer to figure 1.1 for Load Diagram on Page 9 Page 2 CPCCBC5010B - Assessment 6 – LA018001 Lee Mays: 804038671 Question 3 The following is a list of the Building Code of Australia requirements for the dwelling if it was to be built within each respective building zone: Bush Fire AS3959 ‐ Construction of buildings in bushfire prone areas: All Class 1 buildings located in a designated bushfire prone area are to be constructed in accordance with the requirements of AS3959 Construction of buildings in bushfire prone areas. AS3959 provides a method of assessing the bushfire risk of a site by categorising the terrain including the slope and type of vegetation present. Due to it's location, Project 1 would likely be assessed with a BAL rating of 19 (moderate risk) with regards to AS 3959-2009. High Wind AS 1170.2 – 2002 ‐ Structural design actions ‐ Wind actions: Project 1 is situated in Region A ‐ Normal. Therefore, if additional bracing is required this could be achieved by appropriate anchorage systems and bracing systems recommended by AS 1170.2 – 2002. Earthquake AS 1170.4 – 2002 ‐ Structural design actions, Part 4: Earthquake actions in Australia: Due to the location of the dwelling in Project 1, it would be highly unlikely that earthquake building codes and requirements would be observed. Alpine Section 3.7.5 Alpine areas: Alpine areas for NSW are defined as areas which are 1200m or above the Australian height datum, and sub alpine areas are though between 600 ‐ 1200m in NSW. Project 1 lies in the sub alpine area and as such is not subject to Alpine building codes or requirements. Question 4: Answer on next page Page 3 CPCCBC5010B - Assessment 6 – LA018001 Lee Mays: 804038671 Question 4a PRELIMINARY SITE INSPECTION CHECKLIST Site Address: Contractor: Contact Name: Client: Phone No: Building Surveyor: Contact No: Project No: Office Number: Checklist item Demolition Is this a KDRB site? Is site already clear? Rubbish / Debris Is this site clear of rubbish and other debris? Is this site currently clear of grass and vegetation? Is the site clear of trees that will need to be removed or trimmed for construction? Fencing Condition of the rear fence: - Good - Average - Damaged - Does it require replacement or removal? - Not applicable Condition of the left hand fence: - Good - Average - Damaged - Does it require replacement or removal? - Not applicable Condition of the right hand fence: - Good - Average - Damaged - Does it require replacement or removal? - Not applicable Condition of other fencing: - Good - Average - Damaged - Does it require replacement or removal? - Not applicable Road, Kerb and Footpath Is the kerb free from damage? Is the road free from damage? Is the footpath free from damage? Retaining Walls and Drop Edge Beam Are there existing walls present? If yes, what is their condition? - Good - Average - Damaged - Does it require replacement or removal? - Not applicable Y/N Comments Page 4 CPCCBC5010B - Assessment 6 – LA018001 Lee Mays: 804038671 Does this site require retaining walls and/drop edge beam that should be allowed for in the tender? Will this site require import OR export of fill? Is this site clear of rock? WH&S Is this site clear of overhead power lines that will affect deliveries including plant and materials? Is this site clear of traffic hazards that will affect deliveries and require traffic control? Will this site require construction parking due to high traffic volume? Will this site require additional crane hire? Is this site free from other issues that will require additional site allowances? (nominate issues. i.e tight access, steep site) Additional Information Could this site be affected by sewer or other drainage systems? Could this site require marine grade building elements? Is there water on site? Will scaffold shade-cloth be needed? Sketch boundary where site fence will be required? (nominate estimate LM) Is there any additional power requirements if this site is a duplex? Please add any additional information or notes bellow: Documentation What plans and information was supplied to compile this report? Please list items bellow including diagram and document reference numbers and codes: Sign Off Are all areas of the above report inspected and considered for the type of build to be constructed on this site? Completed by (PRINT NAME): Position/Qualification: Signed: Contact Number: Date completed: ____/____/_________ 4b) Refer to figure 1.2 for Site Diagram on Page 10 Question 5 Page 5 CPCCBC5010B - Assessment 6 – LA018001 Lee Mays: 804038671 SERVICES LIST Service AUS Standards & Codes Special provisions Electricity AS 3018-1997 AS 3947.2-1997 AS3439.1-1993 Water (Plumbing and drainage) AS 3500.5:2012 AS/NZS3500.2.2 AS/NZS3500.3.2 SAAMP52-1997 Support platform required for in-roof heater units. Provide plumbing for the installation of rainwater tanks. Gas AG601-1998 AS 5601.1:2013 The water heating service is an instantaneous gas unit. Telecommunications (Internet/Phone/TV) AS S009:2006 ACA TS008-1997 TS009-1997 Conceal all wiring entering building in underground conduit for ease of replacement. Pre-wiring for all services to be completed before linings and finishes completed. All wiring to be connected to house via underground conduit. Security (Doors) AS/NZS2804 AS/NZS2803 Fire Safety AS3786-1993 Smoke alarms hard wired into lighting circuit wiring. Luminaries AS3137-1992 Smoke alarms hard wired into lighting circuit. Heating/AC & Ventilation AS1668.2-1991 AS1861.2-1991 Mechanical ventilation to be installed in bathrooms and kitchen areas. Question 6 BUILDING SYSTEMS INSPECTION CHECKLIST Site Address: Auditor Name: Date of Inspection: Contact Number: Checklist item Y/N Comments/Notes Footings Does the form work comply with AS 3600 & AS2870? Is the form work material strong enough to withstand the load of the slab? Is the form work water-tight? Is the form work placed properly as per slab layout? Are the reinforcing bars of good quality? Is the size and spacing of reinforcing bars as specified in drawings? Is clear cover for reinforcement properly maintained as specified in drawings? Is the size, numbers and placement of columns reinforcement in accordance with specification drawings? Is the footing zone easily accessible and safe for pouring? Has the ideal concrete ratio been determined correctly? Is the concrete mixed correctly and under suitable conditions? Is the inside of form clean and free of water or unwanted materials? Is the concrete poured with correct screeding method? Has the concrete cured properly? Timber Floor Is timber identified as specified? Are timber grades as specified? Page 6 CPCCBC5010B - Assessment 6 – LA018001 Lee Mays: 804038671 Do timber grades comply with AS 2796.1 (hardwood) and AS 2796.2 (grading)? Is timber preservative treated according to AS1604.1? Is the moisture content within the acceptable range? Do steel straps comply with AS 1397/Z275? Do self-drilling screws comply with AS 3566.1 and AS 3566.2? Do structural adhesives comply with AS 1328.1? Does structural sheet flooring comply with AS 2329? Is structural sheet flooring level and smooth? Are flooring junctions level and smooth? Do damp-proof courses comply with AS/NZS 4200.1? Are fasteners of the correct type and galvanised as specified? Are all element sizes and lengths correct according to specification drawings Concrete Floor Is top soil and sand blinding layer compacted properly? Is the form work material strong enough to withstand the load of the concrete? Is the form work water-tight? Is the form work placed properly as per slab layout? Are the reinforcing bars of good quality? Is the size and spacing of reinforcing bars as specified in drawings? Is clear cover for reinforcement properly maintained as specified in drawings? Is the size and spacing of reinforcing bars as specified in drawings? Is the mesh minimum lap as specified? Is the mesh minimum cover as specified? Are all embedded items correctly positioned? Are correct corrosion protected fixings used as specified? Do anchor bolts for structural steel comply with AS 4100 clause 15.3.1? Do galvanised ferrous fixings comply with AS 4680 or AS 1214? Are all movement joints installed as specified? Does pre-mixed supply of concrete comply with AS 1379? Has the correct screeding method been used? Is concrete protected from premature drying? Is the finish correct as specified including levels and falls? Timber Frame Walls Is timber identified as specified? Are timber grades as specified? Do timber grades comply with AS 2796.1 (hardwood) and AS 2796.2 (grading)? Is timber preservative treated according to AS1604.1 or alternative standards? Is the moisture content within the acceptable range? Do steel straps comply with AS 1397/Z275? Do self-drilling screws comply with AS 3566.1 and AS 3566.2? Do structural adhesives comply with AS 1328.1? Does plywood comply with AS/NZS 2269.0? Is structural sheet flooring and flooring junctions level and smooth? Are fasteners the correct type and galvanised as specified? Are wall framing sizes and grades as specified? Are structural plywood of the correct type and grade as specified? Are damp proof course installed? Do damp-proof courses comply with AS/NZS 4200.1? Masonry walls Do materials and components comply with specification requirements? Do steel components comply with AS 1214 or AS/NZS 4680? Do masonry units comply with AS 4456.4? Do flashing and damp proof courses comply with AS/NZS 2904? Do mortar materials comply with AS/NZS 3972? Are joints installed where specified and required? Page 7 CPCCBC5010B - Assessment 6 – LA018001 Lee Mays: 804038671 Are perpends vertically aligned? Is unpainted lacework clean and as specified? Are damp proof courses installed where specified? Do movement joints comply with AS 4773.1 section 13? Are blockwork control joints installed as specified? Are flexible ties and anchors provided? Are joint materials applied as specified? Are bed joint reinforcements installed? Do cold formed lintels comply with AS/NZS 4600? Do steel flats and angles comply with AS 4773.1 table 12.1? Do specified materials comply with AS/NZS 4680 (mild steel galvanised) and AS/NZS 2699.3 with regards to corrosion protection? Are lintels installed as specified? Are cleaning holes provided for reinforced masonry? Are bond beams installed as specified? Are starter bars secure and installed as required? Are lintel blocks installed as specified? Is core filling grout applied as specified? Truss roof Are trusses made according to design drawings? Are trusses marked as specified? Is certification provided? Are support trusses installed? Are ties and wind bracing provided? Do nail plated prefabricated roof trusses comply with AS 4440? Does support for water containers comply with AS/NZS 3500.4? Are trusses inspected after been delivered to site for any damages occurred during transportation? Are trusses stacked correctly on even, flat ground to keep them straight? Are trusses lifted from correct lifting points during the erection process? Are trusses braced correctly according to roof design plan? Framed roof Is timber identified as specified? Are timber grades as specified? Do timber grades comply with AS 2796.1 (hardwood) and AS 2796.2 (grading)? Is timber preservative treated according to AS1604.1 or alternative standards? Is the moisture content within the acceptable range? Do steel straps comply with AS 1397/Z275? Do self-drilling screws comply with AS 3566.1 and AS 3566.2? Do structural adhesives comply with AS 1328.1? Are fasteners of the correct type galvanised as specified? Are all element sizes and lengths correct according to the design drawings and specification? Is sarking installed correctly? Is flashing installed correctly? Is the anti-ponding board installed correctly? Are roof battens of the correct type and fixed as specified? Are ceiling battens of the correct type and fixed as specified? Page 8 FIGURE 1.1 Page 9 FIGURE 1.2 Page 10