Chimney Demolition Company, Boiler Chimney Demolition Company, Manual Chimney Demolition
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One: Demolition of boiler chimney construction requirements:
(1) Chimneys are tall structures, and the demolition of boiler chimneys can refer to the relevant requirements for the demolition of building structures. Under the condition that the on-site conditions permit, the artificial mechanical demolition method or the *** demolition method should be prioritized for the demolition work, as it is fast, cost-effective, and relatively safe. Chimneys come in several types, including brick chimneys, reinforced concrete chimneys, and a small number of steel pipe chimneys. This section mainly introduces the demolition work of brick chimneys and reinforced concrete chimneys. Before the specific operations, a detailed construction *** design and special construction plan should be prepared, and thorough written technical handover work should be conducted.
(2) Boiler Chimney Demolition Method:
When the site for chimney demolition is small and surrounded by buildings, making it difficult to use mechanical or explosive demolition methods, manual chimney demolition can be employed for the removal work.
(3) The manual dismantling method typically involves constructing a closed scaffold around the exterior. The working level should be fully covered with scaffold boards, equipped with toe boards and guardrails. The exterior should be covered with a dense, flame-retardant safety net. Operators dismantle using hammers, pry bars, or jackhammers while standing on the scaffold. The dismantled materials fall into the chimney. A sloping board is set up at the bottom of the chimney facing the door, allowing the falling materials to automatically slide out, facilitating timely removal.
During the summer thunderstorm season, when conducting artificial demolition work, lightning protection devices should be installed on the scaffolding.
Section 2: Technical Safety Regulations for Electrical Construction of Brick Chimney Demolition
(1) Temporary electrical safety technical files for the boiler chimney demolition construction site, which should include the following:
All materials designed by ***.
Revise the documentation for electricity consumption*** design.
Technical Briefing Materials on Power Consumption Technology
Power Engineering Inspection and Acceptance Form
5. Test, inspection certificates, and debugging records for electrical equipment.
6. Ground Resistance, Insulation Resistance, and Leakage Protection Relay Trip Curve Measurement Record Sheet
7 Regular Inspection (Re-inspection) Schedule;
8 Electrical installation, inspection, maintenance, and removal work records.
(2) The technical safety file for the brick chimney demolition construction site should be established and managed by the electrical engineer in charge of the site. The "records of electrical installation, inspection, maintenance, and demolition work" can be temporarily managed by the electrician, reviewed and approved by the project manager weekly, and should be archived uniformly after the temporary electrical engineering demolition.
(3) Temporary electrical projects for boiler chimney demolition should be regularly inspected; during inspections, the grounding resistance and insulation resistance values should be rechecked.
(4) Regular inspections of the temporary electrical project for boiler chimney removal should be conducted by section and item, and safety hazards must be addressed promptly, with the completion of review and acceptance procedures.
