When the pre-embedded flat shim strength reaches 80% or more, arrange the inclined shim for adjustment from the factory on the flat shim, and start preparing for the next pump base installation.
When the iron strength of the pre-buried mat reaches more than 80%, the plant is arranged on the flat pad iron for adjustment in turn, and the next pump seat installation is started.
When the strength of the embedded flat pad iron reaches more than 80%, the inclined pad iron for plant supply adjustment shall be arranged on the flat pad iron in turn, and the next stage of pump seat installation shall be prepared.