56.
7.
During foundation construction, if the work is stopped due to rain or the construction period is delayed due to Party A, the cost of drainage and precipitation can be signed according to the unit shift.
Regular cleaning (daily, weekly and monthly) can not be maintained for a long time.
87.
Waste caused by backward equipment in high-rise concrete construction.
The management of office supplies is chaotic.
59.
The material supervision is not strict, and the mobilized materials do not meet the requirements.
76.
70.
The drawings are damaged, difficult to understand and misinterpreted, resulting in processing errors.
88.
D.
Neglect to check the machine to keep it in good condition and avoid faults.
72.
Improper arrangement of construction process leads to waiting or shutdown for materials in the construction process.
43.
83.
The strength of commercial concrete is not provided according to the design requirements.
Danger signs are not marked as required and kept clean and legible.
4.
Failed to check whether the work of each stage is provided with appropriate tools and equipment, such as water and electricity pipelines.
57.
2、 18.
When the mortar is more expensive than brick, the mortar joint shall be kept as small as possible, otherwise it shall be kept as large as possible.
45.
The walkway cannot be kept clean and tools are scattered.
71.
33.
Material damage during handling.
Lack of necessary safety assembly: such as gloves, helmet, etc.
C.
85.
64.
Not regularly inspected – rope, belt, chain, conveyor belt, lubrication system, etc.
that fail to be supervised shall be placed in a certain place.
25.
92.
13.
There is no clear standard reward and punishment system.
Lack of regular cleaning and maintenance.
4、 Site space 55.
19.
Even if we take a penny around the site and spread a broken sack, we should prove it as soon as possible and apply for a visa.
Lack of overall scheduling plan and insufficient utilization of available machines.
99.
Concrete quality is not up to standard.
7、 Personnel and management a personnel expenses 86.
Insufficient protective measures lead to low reuse rate of formwork.
In case of problems, the person responsible for the accident cannot be tracked, so that it cannot be corrected.
Insufficient attention was paid to the transportation plan of materials from the factory to the site.
The processing standards or specifications are not updated in time, resulting in the unavailability of processing materials.
97.
Mix the front and back of the formwork.
Lack of effective systems to prevent material outflow, loss or theft.
34.
Material receiving is not standardized, and main materials such as reinforcement and cement are wasted or lost.
site management 95.
Lax management of staff travel and transportation expenses.
Insufficient lighting, forming black spots and dead corners.
The executive ability of employees can’t keep up.
The technical disclosure is ambiguous and there is no clear technical index requirements.
53.
Materials are stacked randomly without considering the convenience of construction and processing.
62.
Site management personnel have insufficient understanding of the value of materials.
The mortar joint shall be strictly controlled.
91.
Welding rod, steel wire and other small production tools and appliances are seriously wasted.
5、 Site visa 68.
Due to neglect of supervision, the process connection can not keep up, resulting in a blank period of construction.
Improper processing of formwork or inconsistent processing standards.
If there is water seepage in the excavation, the height of groundwater level can be verified, and the price of wet soil is higher than that of dry soil.
You must remember not to delay the visa until the commencement of work.
Too many workers lack construction experience.
6、 Accidents 81.
22.
The problem is that the cause cannot be found out immediately, resulting in work delay.
65.
Tools, materials, equipment, etc.
There are too many irrelevant personnel on the construction site.
Of course, it shall first meet the specifications and be adjusted within the adjustable range.
Insufficient technical personnel and experienced construction personnel.
12.
Unrestrained business entertainment expenses.
The site traffic and space of the material supply department can meet the actual needs.
Increase in direct and indirect costs caused by personnel changes.
16.
The template added by rush work can be a visa in a fair and aboveboard manner.
Site personnel lack understanding of the overall work content.
30.
38.
It cannot be implemented for a long time without establishing good safety operation procedures.
Wrong materials are used if the correct materials are not received.
58.
It must be done at least once a month.
75.
89.
In case of large water seepage, a construction scheme can also be prepared to apply for drainage and dewatering measures and slope support measures.
84.
94.
The length of tie bar and stirrup elbow is too long.
29.
14.
10.
Incorrect placement of mechanical equipment.
Lack of discipline and condone careless or improper work.
41.
21.
39.
Inadequate safety protection.
Uncultivated and supervised articles shall be returned and located after use.
31.
69.
49.
Poor supervision of employees, loose work and low efficiency.
It is allowed to use inappropriate materials, such as too good or too poor.
3.
37.
The certificate for the masonry part must state the damage degree of the brick, otherwise the audit will directly reduce the materials.
Failure to check the cracking and damage of water, electricity, compressed air and other pipelines and lines.
5.
B.
Only when the finished product protection is done can we have money.
Construction period 1.
If you encounter underground obstacles, you should apply for a visa.
B 42.
If the professional knowledge of reinforcement is not enough and the drawing cannot be understood, the material list shall be issued.
Too many materials were received, but the materials were not returned.
Infrequently used machines and equipment occupy a lot of space.
Dispose of reusable materials as waste.
Unnecessary materials are placed in the workplace, and the warehouse is not separated from the workplace.
It is not recognized that accident prevention is part of the work.
28.
77.
There is no clear standard for the living expenses of the project department.
36.
If sufficient backfill soil cannot be stacked on site under the condition of narrow site or unstable slope, the outward earthwork volume and haul distance shall be signed.
Failure to pay attention to the importance of rectifying things.
3、 Mechanical equipment 51.
The implementation of the company’s policies is not in place.
52.
C.
54.
1.
6.
The safety work is not in place and there are many hidden dangers.
Unclear command or instruction.
78.
seventy-three If you stop work for a long time, you must remember to stop work.
23.
Poor communication with the supervisor and frequent shutdown for rectification.
Source: Ma Nan said that the copyright of cost belongs to the original author.
63.
Indulge in the bad habits of chatting, leaving work without permission and wasting time.
44.
15.
During the construction process, non-standard construction leads to material waste.
2.
100.
Departments and teams pass the buck to each other.
The planning of living quarters is unscientific, and the additional costs are trivial and numerous.
27.
8.
61.
The overlap is too long during reinforcement binding.
The materials and usage of each process were not checked (standard and difference analysis).
Unscientific support system leads to deformation or damage of formwork.
74.
26.
9.
79.
20.
66.
The cleaned residue can be tamped into a layer of ground as backfill soil.
96.
Excessive or insufficient concrete vibration leads to rework.
formwork 47.
17.
48.
During accounting, do not forget the exhaust pipe and pipe fittings of the insulation layer, the oil impregnated wood wool board and ointment caulking of the surface protective layer.
lack of communication and cooperation with other managers or departments.
More information.
93.
Do not work overtime, resulting in overtime construction.
50.
Non conforming materials are produced and production is not stopped immediately.
40.
Treat defective materials as good products into the process.
If the negotiation fails, it is required to ask Party A for a visa.
Material procurement is not transparent.
35.
60.
32.
The construction is not in accordance with the specifications and the project quality is not up to standard, resulting in rework.
46.
67.
If the subcontractor damages or defaces your equipment, it is not polite to ask him for a visa.
A.
During pouring, the formwork is not blocked in place, resulting in material waste.
The water and electricity lines on the site are chaotic, affecting the construction.
management of the project department 90.
11.
Improper discharge and storage of materials.
The construction team has its own duties and lacks overall coordination.
82.
The layout in the unit is poor and cannot be kept orderly.
Waste is not scrapped.
24.
The debugging of reinforcement processing machinery is not in place.
The process is complicated, and there are too many reports and application forms.
80.