1, the site simple production of reinforcement protective layer pad process
Brief DESCRIPTION: In the construction site by mixing mortar, through cutting molding and other methods to make reinforcement protective layer pad.
Elimination type: Forbidden
Alternative construction technology: professional pressing equipment and standard die production pad technology.
2, hoist reinforcement straightening process
Brief description: Using a hoist to straighten steel bar.
Elimination type: Forbidden
Alternative construction technology: ordinary steel bar straightening machine, CNC steel bar straightening and cutting machine of steel bar straightening process.
3, decorative brick cement mortar paste process
Brief description: Use on-site cement mixed mortar to paste exterior wall veneer bricks.
Elimination type: Forbidden
Alternative construction technology: cement-based bonding material paste technology.
4, steel flash butt welding process
Brief Description: Manually operated flash welding machine for rebar welding.
Elimination type: Restriction. Rebar FLASH BUTT WELDING PROCESS SHALL NOT BE USED WHEN JOINING REBAR OF DIAMETER GREATER THAN OR EQUAL TO 22 MM IN A NON-FIXED PROFESSIONAL PREFABRICATION PLANT OR REBAR PROCESSING PLANT.
Alternative construction technology: sleeve cold extrusion connection, rolling straight thread sleeve connection and other mechanical connection technology.
5. Manual digging process of foundation pile
Brief description: The foundation pile is drilled by manual excavation.
Elimination type: Restriction. Areas with one of the following conditions shall not be used: 1. Areas with rich groundwater, weak soil layer, quicksand and other unfavorable geological conditions; 2. 2. Air pollutants in the hole exceed the standard; 3. The area accessible to mechanical hole forming equipment.
Alternative construction technology: impact drilling, rotary drilling, rotary drilling and other mechanical drilling technology.