1. Reserve fixing bolt holes on the tank wall, drill holes in the reserved positions with a drilling rig, and install fixing bolts according to the design requirements.

2, use detergent and brush to clean the construction surface, ensure dust-free, without sundry.

3. Install the glass fiber reinforced plastic cover plate according to the pre-established scheme, generally using lap connection, and seal the cover plate tightly with sealant to ensure that there is no water leakage between the cover plate and the sewage tank.

4, after the completion of the cover installation, construction inspection, check whether the cover position is accurate, flatness is in line with the requirements, sealant is firm.