2. Each side of the cast-in-place process is about 500-550 yuan, and the construction contents are about: manufacturing, assembly, erection, disassembly, maintenance, maintenance, transportation, storage, stacking, coating release agent (including the raw material cost of release agent), and installing vibrators attached to internal and external formwork systems; Procurement, unloading, laying, processing and transshipment of square timber from support to box girder bottom formwork; Manufacture of anchor pad and saw-tooth template, and manufacture, installation and removal of all small steel structures and wooden models; Manually cooperate with preloading; Concrete pouring, tamping, surface closing, curing, roughening, trimming, mending and sealing; Manufacture, installation and material transfer of various embedded parts and ironware (including materials of drainage pipes, exhaust holes and other pipelines); Installation and disassembly of upper and lower bridge steps and lighting frames, reserved manholes, roughening of tensioning notches, straightening and restoring reinforcement and sealing ends; Manual and mechanical water bag preloading (individual parts are jack-up steel preloading, etc.). ) and all other matters.