Unit One Construction Technology Lesson 10 Preconstruction work







































- Slides: 39
Unit One Construction Technology Lesson 10 Pre-construction work
Last lesson • You will have understanding of: – Traditional cavity wall construction – Cross wall construction – Box frame construction – Structurally Insulated Panels – Timber framed construction – Exam question practice
This lesson • You will have understanding of: – Desk based pre-construction tasks – Pre-construction site set up tasks – Examination question practice
Next lesson • You will have understanding of: – The purpose of sub-structure groundworks – The hazards associated with ground works – The methods used to control ground water – The methods of earthwork support – Exam question practice
Desk-based pre-construction • Before work starts on site a range of activities need to be carried out
Desk-based pre-construction • Some legal requirements have to be fulfilled – – Health and Safety plan Method statements Risk assessments Health and Safety Executive (HSE) need to be informed https: //www. yo utube. com/wat ch? v=FZO 8 R 9 gi Cf 0
Desk-based pre-construction • A scaled site layout plan is prepared • This needs to show: – Site accommodation (site offices, material storage) – Welfare facilities (toilets, storage accommodation) – Security fences – Temporary roads and services – Fire precaution measures https: //www. yo utube. com/watc h? v=K 3 KTERcw. V -o
Desk-based pre-construction • A document showing the programme of work or schedule of activities is produced • This schedule should also plan out the delivery of resources and materials https: //www. yo utube. com/wat ch? v=v. NUURu. Y 1 n 0 M
Exam Question Building projects involve various stages of construction. Identify two features included on a site layout plan. (2) A Binders B Compounds C Skirtings D Welfare facilities E Cavity closers
Answer B-Compounds D-Welfare facilities
Exam Question Temporary roads and hard standing areas are features shown on a site layout plan. Name two other features shown on a site layout plan. (2) • 1. . . . . . . . . . . • 2. . . . . . . . . . .
Answer 1 mark for each of: • Site accommodation (1) • Welfare facilities (1) • Storage accommodation (1) • Compounds (1) • Fixed plant (1) • Fire precaution measures (1) • Fire assembly points (1)
Desk-based pre-construction • Resources and materials are bought https: //www. you tube. com/watch ? v=6 w. E 4 imr 6 he M
Desk-based pre-construction • Safety signs are set out and statutory notices are organised • This includes telling people in the local area about any footpath closures
Desk-based pre-construction • Road crossings for plant and deliveries and traffic management are planned
Exam Question Identify two desk-based activities that are a legal requirement of a construction project. (2) A Ordering materials B Writing method statements C The control of groundwater D Preparing risk assessments E Installation of site accommodation
Answer B- Writing method statements D- Preparing risk assessments
Exam Question Name two legal requirements that should be completed during the desk-based preconstruction phase of a construction project. (2) • 1. . . . . . . . . . • 2. . . . . . . . . .
Answer One mark for each legal requirement named: • Construction health and safety plan • Method statements • Risk assessments • Informing the Health and Safety Executive Up to a maximum of two marks.
Exam Question Identify two preconstruction stage legal requirements. (2) A Informing the Health and Safety Executive (HSE) B Reduction in construction wastage C Prefabrication of elements D Designing for functionality E Risk assessments
Answer 1 mark for each of: A – Informing the Health and Safety Executive (HSE) E – Risk assessments
Pre-construction work on the site • This includes all the works carried out on site before construction works can start
Pre-construction work on the site • The site is cleared of vegetation and trees • Any existing structures are knocked down • https: //www. yo Any existing services utube. com/watc (water, gas, electricity) are protected from h? v=Ivp 1 em 6 SM damage by the building work h. Q
Exam Question • Give two types of site-based preconstruction clearance activity. (2) • 1. . . . . . . . . . • 2. . . . . . . . . .
Answer One mark for each of: • Demolition of existing buildings • Removal of vegetation • Tree removal • Recycling of materials (on brownfield sites) • Specialist disposal of material e. g. asbestos • General disposal of rubbish e. g. fly tipping Up to a maximum of two marks.
Exam Question Name two services that may need to be protected before work can begin on a construction site. (2) • 1. . . . . . . . . . • 2. . . . . . . . . .
Answer 1 mark for each: Up to a maximum of two marks: • Gas • Water • Electricity • Telecommunications • Drainage • Oil pipelines
Pre-construction work on the site • Access and egress (exit) routes into and out of the site are constructed
Pre-construction work on the site • The site is set up providing site accommodation and temporary services including temporary lighting. https: //www. yout ube. com/watch? v =i. Uep 3 CK 6 u. GM
Pre-construction work on the site • Temporary roads and hard standing are put in place
Pre-construction work on the site • Security arrangements are installed at this point including fencing and gates
Exam Question Identify two site set-up activities that are required before construction work starts. (2) A Roof finishes B Temporary lighting C Foundation excavations D Site accommodation E Wall-tie spacing
Answer B -Temporary lighting D- Site accommodation
Exam Question Preconstruction activities have to be completed before work can begin on a construction site. Identify two site set-up activities. (2) A Fencing B Wall finishes C Temporary lighting D Roofing E Foundations
Answer A- Fencing C- Temporary lighting
Exam Question Identify two preconstruction site set-up activities. (2) A Permanent control of sub-soil water B Installation of site accommodation C Gates and security of the site D Dry lining onto stud walls E Fixing battens to roof
Answer B – Installation of site accommodation C – Gates and security of site
Exam Question The installation of site accommodation is a site-based preconstruction activity carried out at the set-up stage. Name two other site set-up activities required before construction work begins. • 1. . . . . . . . . . . • 2. . . . . . . . . . .
Answer Any two from the following site set-up activities: • fencing (1) • gates (1) • security of the site (1) • temporary lighting (1) • decontamination works (1) • temporary water supply (1) • temporary electricity supply (1) • installation of site telephones and telecommunications (1) • temporary drainage (1) • temporary roads (1) • signage (1) • creation of storage compounds and hard standing (1) • temporary works required to construct and support (1) • site facilities eg. first aid (1).