Safety protection (1) whether the scaffold board is fully paved between the platform and the building structure; (2) whether the three side protection settings of the platform are tightly fixed; (3) whether the unloading platform is hung with load limit signs and acceptance plates; (4) whether the floor scaffold is connected with the external scaffold..
(1) whether the vertical pole foundation is flat and firm; Whether there is base and base plate at the bottom of the vertical pole; (2) Whether the longitudinal and transverse sweeping rods are set according to the specification requirements.
Whether the construction scheme (1) has prepared a special construction scheme and emergency plan (2) whether the special construction scheme has been reviewed and approved as required (3) whether the special construction scheme of foundation pit engineering with excavation depth of more than 5m (including 5m) has been demonstrated by experts as required; (4) If the surrounding environment or construction conditions of the foundation pit change, whether the construction scheme is reviewed and approved again.
unloading platform 1.
2.
3、 Look at the mechanical equipment.
Foreword for builders, safety inspection is essential in the construction process! So how can we take preventive measures? The following “eight tables” and “eight looks” are recommended to be collected by engineers! 1 “eight forms” necessary for safety inspection (I) safety checklist for work at heights inspection unit inspection time (mm / DD / yyyy) (II) safety checklist before concrete opening (III) scaffold Checklist (IV) winch installation acceptance form (V) construction bent safety inspection and use license signing form contractor contract no: (VI) safety checklist at construction site (VII) Inspection time of inspection parts of power consumption checklist at the construction site (8) (mm / DD / yyyy) daily fire safety checklist 2 safety inspection must know “eight looks” one, three lights, five cleanliness and two smoothness on the site.
4.
Cantilever scaffold (1) whether the cantilever steel beam of the cantilever layer adopts section steel with biaxial symmetrical section; (2) Whether the anchorage at the fixed end meets the requirements of the construction scheme; (3) Whether the length of the fixed section of the steel beam is at least 1.25 times the length of the cantilever section; (4) Whether unloading steel wire rope is set outside the steel beam; (5) Whether the quantity and position of embedded lifting rings and wire rope clamps of unloading wire rope meet the requirements of specifications and construction scheme.
Foundation pit monitoring (1) whether a qualified third-party monitoring organization is entrusted to monitor the deformation of foundation pit support according to the specification requirements; (2) Whether the monitoring frequency meets the requirements of the monitoring scheme and whether the on-site monitoring points are arranged according to the foundation pit monitoring scheme; (3) Whether the complete monitoring report is submitted according to the design requirements.
3.
That is, there must be protective facilities at the entrance of stairs, elevators, reserved openings, passageways and pits, and red lights shall be set at night.
(1) Correctly use the “three treasures” and fasten the safety belt when pedaling high; (2) The cross operation up and down shall be isolated, and the safety helmet shall be worn when entering the site; (3) Hang safety net above 3M; (4) The upper and lower shelves are provided with stairways; (5) In case of strong wind above level 6, hoisting and high-altitude operation shall be stopped.
3.
5.
Safety inspection must check “six aspects”: 1.
2、 Look at wires and electrical equipment.
4、 Watch aerial work.
(1) “Three lights” means that the tools and machinery should be polished, the bottom of the material pile should be used up, and the transportation road should be cleaned up; (2) “Five cleanings” means that the leftover materials shall be sorted out, the brick mortar shall be used, the scaffold shall be clean, the on-site materials shall be used, and the cement paper bag shall be emptied; (3) “Two unblocked” means that the road and drainage are unblocked.
Dewatering and drainage (1) whether effective dewatering and drainage measures are taken if there is groundwater within the excavation depth of the foundation pit; (2) Whether intercepting ditch or retaining sill is set on the ground around the edge of the foundation pit; (3) Whether drainage ditches and water collecting wells are set around the foundation pit bottom.
(1) Work clothes and labor protection articles shall be clean and properly worn; (2) Barefoot, slippers or high heels are not allowed in the construction site; (3) It is not allowed to wear hard soled or slippery shoes with nails for high-altitude operation; (4) Electricians shall wear insulated shoes; (5) Labor protection articles shall be used for boiling and transporting asphalt according to anti-virus requirements.
III.
The power switch box of hand-held motor shall be equipped with electric shock protector and insulated gloves; (6) The electrical switch box shall be covered and locked; (7) All electromechanical equipment and switch boxes shall be grounded or connected to neutral.
(1) Materials shall meet the requirements; (2) The erection shall be firm and reliable; (3) After lifting, tie protective bars and hang safety nets, preferably with body protection and two layers of bottom; (4) The scaffold board should be wide enough; (5) Strictly prevent the probe plate; (6) The stacking materials on the Board shall not be overweight, and shall be carefully checked after rain and snow, and effective anti-skid measures shall be taken.
Erection of scaffold body (1) whether the cross bar, vertical bar spacing and cross bridging of scaffold are set according to the scheme and specifications, and whether the installation is firm; (2) Whether the dense mesh safety net outside the frame is set tightly; Whether a horizontal safety net is set between the scaffold and the building every 10m or every three floors; (3) Whether the scaffold board of the operation layer is fully paved; (4) Whether the wall connecting parts of scaffold are set according to the construction scheme and specification requirements; (5) Whether the concrete formwork support system is connected with the external scaffold; (6) Whether the erection height of external scaffold is one step higher than the working surface.
Attached lifting scaffold (1) whether the installation of anti falling device and anti overturning device meets the requirements; (2) Whether the frame height, wide bottom, horizontal cantilever length, cantilever height and support span meet the design and specification requirements.
6.
II.
(1) The protective cover is complete and effective; (2) The transmission device shall be clean and lubricated; The brake is sensitive and reliable; (3) Insist on special personnel and plane; (4) The wind rope of hoisting equipment must be firm, and trees, scaffolds and walls are not allowed to replace ground anchors; (5) The rope should meet the specifications.
Construction scheme (1) whether the special construction scheme is reviewed and approved as required; (2) For the external wall scaffold project exceeding a certain scale, whether the special construction scheme (the erection height of floor scaffold is more than 50m, the height of cantilever scaffold is more than 20m, and the lifting height of attached lifting scaffold is more than 150m) is demonstrated by experts according to the regulations.
Scaffold works of external wall 1.
Whether the foundation pit excavation (1) follows the principle of “slotting support, support first and then excavation, layered excavation and no over excavation” according to the design and construction scheme.
5.
Pit side load and safety protection (1) whether a large number of earthwork, materials and equipment are stacked at the edge of the foundation pit; (2) Whether the safety distance between the construction machinery and the edge of the foundation pit meets the design requirements; (3) Whether the edge protective railings are set around the foundation pit with excavation depth of 2M and above according to the specification requirements.
Foundation pit support (1) whether the on-site foundation pit support structure (such as natural slope, shotcrete anchor support, row pile support, underground diaphragm wall, cement retaining wall, etc.) is constructed according to the design and specification requirements; (2) Whether the grading coefficient of foundation pit slope is implemented according to the construction scheme; (3) Whether the foundation pit slope has large-area collapse or hanging feet; 3.
(1) Temporary wires are not broken: generally, there are four times of “three fires and one zero”; (2) The stringing pole shall be straight and shall not be replaced by trees or metal objects; (3) The line distance is more than 4m above the ground; (4) The waterproof line shall not have dead bends and must be well insulated; (5) The traveling light is 36V, and the lighting voltage in the metal device is 12V.
(1) Fire fighting equipment shall be provided; (2) Explosives and oil depots shall be set up separately and managed by special personnel; (3) The distance between oxygen cylinder, acetylene tank and open fire shall not be less than 10m; (4) Combustibles in woodworking shed and paint warehouse shall be stacked by category, and open fire is strictly prohibited; (5) Wood chips, shavings, straw ropes, straw bags and waste paper shall be collected and transported away in time.
4.
8、 Look at labor protection supplies.
5、 Look at the scaffold.
6、 Look at five.
2.
7、 Look at fire and explosion protection.
Foundation Pit Engineering 1.
