demolition

15 articles

• CDM Regulations and Demolition: Principal Contractor Duties, F10 Notification and Construction Phase Plan
  CDM 2015 for demolition: F10 notification thresholds (30 working days/20 workers or 500 person-days); duty holder roles; Construction Phase Plan content; HSE L153 ACOP; domestic client obligations
• Controlled Explosives Demolition: When It Is Used, Licensing, Exclusion Zones and Post-Blast Survey
  Explosives Regulations 2014 licensing; shotfirer's certificate; 300–500 m exclusion zones; pre-blast notification to police/LPA/HSE/utilities; post-blast gas and structural survey procedure; vibration and overpressure monitoring
• Demolition Adjacent to Existing Structures: Party Wall Act Notices, Underpinning Risk and Monitoring
  Party Wall etc. Act 1996: Section 3 (2 months notice) and Section 6 (1 month); three-metre and six-metre excavation rules; Schedule of Condition surveys; BS 5228-2 vibration PPV limits; underpinning risk management
• Demolition and Planning Consent: Prior Notification Under Part 11 GDPO, Conservation Area Rules and Bat Surveys
  Part 11 GDPO prior notification; 50 m³ threshold; 28-day determination period; Conservation Area full planning under S196D TCPA 1990; listed building consent; bat survey season (May–August); EPS licence for roost disturbance; TPO implications
• Demolition Dust Control: COSHH Assessment, Water Suppression, LEV and Silica Dust Management Plan
  RCS WEL 0.1 mg/m³ TWA (COSHH Regs 2002); water suppression rates; H-class LEV on tools; FFP3/TH3P RPE for silica; face-fit testing; COSHH assessment content; air monitoring and boundary dust monitoring; health surveillance triggers
• Demolition Near Live Services: Gas, Electric, Water and Telecoms — Disconnection Before Work Starts
  UK One Call process (Dial Before You Dig); CAT & Genny use on site; 4–8 week disconnection lead times for gas/electricity/water/telecoms; GDN and DNO disconnection procedures; permit-to-dig system; what to do on striking a live service
• Demolition Vibration Monitoring: PPV Limits Under BS 7385, Plant Selection and Neighbour Notification
  BS 7385-2:1993 PPV limits (3 mm/s residential, 6 mm/s robust, 12.5 mm/s industrial); BS 5228-2:2009 framework; continuous vs triggered geophone monitoring; Trigger Action Levels; plant selection by vibration output; pre-demolition Schedule of Condition survey
• Demolition Waste Management: Segregation on Site, Reuse vs Recycling, Duty of Care and Waste Transfer Notes
  EPA 1990 duty of care; Waste (England & Wales) Regs 2011 waste hierarchy; on-site segregation categories; WTN and Hazardous Waste Consignment Notes; EWC codes for demolition wastes; plasterboard landfill ban; T8 concrete crushing exemption
• NFDC Membership and Standards: Chartered Institute vs NFDC, Competency Requirements and Industry Scheme
  NFDC principal UK demolition trade body: Full vs Associate membership; DICS card scheme (Operative to Manager); NVQ/SVQ Level 2-3 qualifications; BS 6187 demolition code of practice; CITB levy
• Pre-Demolition Audit: Structural Survey, Services Disconnection, Hazardous Material Survey and Waste Audit
  Mandatory R&D asbestos survey (Reg 7 CAR 2012/UKAS); structural survey scope; services disconnection (4-8 week lead times); waste audit; Hazardous Waste Consignment Note per consignment (Hazardous Waste Regs 2005)
• Selective Demolition and Strip-Out: Soft Strip Before Structural Demolition and Programme Sequencing
  Soft strip must precede structural demolition; R&D asbestos survey required first; 6-phase programme sequence; heritage/listed building constraints; productivity rates 50–200 m²/operative/day; CDM duties; unexpected structural finds procedure
• Site Hoarding and Security for Demolition: Minimum Heights, Signage, Lighting and Fragile Surface Warnings
  CDM 2015 Reg 22 site security duty; 2 m minimum hoarding height (3 m where overhead work); 25 mm shiplap on 75×50 mm framing; NRSWA highway licence; 2 m pedestrian clearance; BS EN 12464-2 lighting; CDM Schedule 2 notices; vehicle gate and banksman requirements
• Structural Demolition Sequence: Top-Down vs Bottom-Up, Progressive Collapse Prevention and Temporary Propping
  Top-down vs bottom-up demolition; progressive collapse prevention; BS 5975 Temporary Works Coordinator/Designer/Checker system; high-reach excavator exclusion zones (20-30m standard); unexpected structural conditions
• Structural Engineer Role in Demolition: Method Statement Approval, Temporary Works Design and Sign-Off
  BS 6187:2011 requires engineer review of method statement; CEng MIStructE competence standard; BS 5975:2019 TWD role; progressive collapse risk assessment; Party Wall surveyor involvement; how to brief an engineer; typical fee ranges £1,500–£50,000+
• Temporary Works in Demolition: Designer Approval, Prop Loads, Deadshore and Flying Shore Details
  BS 5975:2019 temporary works code; TWC/TWD/TWDC roles; Category 1/2/3 risk classification; deadshore load calculations; BS EN 1065 SWL for adjustable props; raking and flying shores; permit-to-load and permit-to-strike systems