Precision Logistics Management in Construction Enterprise

1. the drawbacks of traditional logistics management of construction Enterprise
Currently most of the logistics management of construction enterprises remain in a hand-managed state, this backward management will inevitably lead to the low efficiency, management irregularities, high cost, real-time, dynamic poor, difficult to control, cumbersome. Main defects exist the following aspects:

Logistics management income of low, even also stay in original of hand operation of stage; on material supplier consortium of widget lack scientific management, short-term competition more than cooperation; material procurement is a information does not symmetric of game process, non-intensive, procurement cost high; material procurement no and budget Department, and Technology Department, and construction department close contact, missing necessary of information support, and engineering actual serious out of; material inventory, and site management confusion, caused resources of waste, building cost of increased.

Therefore, breaking the traditional way of construction enterprise’s logistics management is essential. With the continuous improvement of management and technology, various effective methods are emerging. This article presents building materials accurate logistics management model to solve traditional building of enterprise’s logistics management defects and prevent the emergence of new problems.

2. the precise basis for logistics management

2.1 technical support-building construction enterprises Informationization

Accurate logistics Informationization is the management of construction enterprise technical support must be aided enterprise management level, the core is the application of project management software. Project management software General including contract management, and progress management, and budget management, and material management, and people Dr management, and machinery device management, and funds management, and cost management, eight a basic of module, can secondary all levels of management: on Enterprise material unified classification, and unified number, prepared material database; from progress management module export staged plans engineering volume; under plans engineering volume budget management module calculation out material plans; pursuant to material plans, material management module implementation material procurement management.

With construction enterprises Informationization as technology foundation to control the logistics to achieve material purchasing channels of pluralism and transparency, material inventory management, site management, real-time and accurate, and ultimately achieving material supply good, fast turnaround, low consumption, costs, wasted little, guarantee the smooth construction of construction enterprises.

2.2 accurate construction construction organization Environmental Foundation-based on business process reengineering

Based on precision construction of building construction enterprise process recombinant is building construction enterprise through shared database, and EDI, and WEB, information technology, will planning units, and owners, and survey units, and design units, and supervision units, and building construction enterprise of each sector organic of connection up, on entire building products supply chain implemented effective of management, implementation precision logistics management, shortened construction cycle, reduced unproductive no value of process, and simplified work process, implementation Enterprise inside and outside the Department combination of some column activities of collectively.

Process reengineering based on precise construction of building construction enterprises to break the original sectoral boundaries, speeding up construction enterprises inside and outside the flow of information between various functional departments, and feedback speed, saves time, potential cost savings potential, accurate logistics management for construction enterprises to provide the organization Environmental Foundation.

2.3 organizational culture Foundation-accurate construction thought

Precision construction (Lean Construction) is a based on building products management, through accurate of building products defined, and reasonable effective of construction unit of decomposition, and precision products planning, and precision design, in material of precision supply, and full process of products control, and timely of information circulation and feedback, and all personnel early intervention Xia implementation building products of success delivered, and resources waste of minimum of, and value created of maximize of construction management method, to improve building products of value, and Optimize the entire value stream of the construction process, build a reasonable and effective product flow, reducing the waste of resources, rational control duration, the entire project management activities that target the best effectiveness collectively. Accurate fundamental purpose is to make the whole construction process of the construction duration reduced, the whole construction, accurate logistics management, construction cost minimum value chains create value most and highest customer satisfaction.

Therefore, the precise construction as a basis for organizational culture, guiding organization of construction production, its objective is the construction process of zero waste, which contains material of inventory, is about to project construction processes and materials connected to water supply, maximize to minimize inventory, eliminate the handling, waste of time to wait in the Middle, to accurate logistics management.

3. accurate logistics management model

3.2 precise logistics management goals

In the whole construction process of the construction products, product systems and independent of the project is a temporary, working closely with the logistics associated with. Resources guarantee for strengthening material flow management is accurate construction projects. Precision logistics management of basic target is: strengthening supplier of management, change traditional of competition and short-term-in as long-term effective cooperation; specification material procurement mechanism, application computer, and network technology, implementation material procurement e-commerce of and batch of, shortened material procurement cycle, reduced procurement cost, simplified procurement program; strengthening material storage, and out library, and allocation, and reported loss management, makes inventory minimum of; strengthening material admission, and processing construction, and exit, and loss management, reduced material waste, reduced material of II times handling ; Logistics information timely and accurately to facilitate logistics of effective control. Precision logistics management of materials for the ultimate goal is zero stock and zero waste, so as to reduce costs, improve quality, increase the value of the whole construction process, maximize customer satisfaction.

3.3 accurate logistics management model

Precision logistics management is based on a shared project database, dynamic realization material inventory status monitoring and management of material-site monitoring, precision forecasting and planning materials and choose the best vendor and the leasing company to achieve accurate, balanced supply of materials. Precision logistics management are a strong systems, involving wide series of events. Precision logistics management includes four aspects of work: (1) the forecast amount of material, preparation of material supply plan, and (2) Organization, purchase or transfer of materials, and (3) the acceptance, storage, recipients, and distribution of materials, and (4) statistics, accounting and inventory of materials.

3.3 implementation of key

3.3.1 project materials onsite dynamic balance

Project material-site dynamic balance is the optimal configuration and optimization of material means and guarantees are an effective way to optimize resources. Homeostasis is the internal law in accordance with the project, effectively plan, organize, coordinate and control the construction phase of material inputs, and supplies on-time rhythm for dynamic optimization, to ensure that the entire balance of the construction process, material supply dynamic configuration, balance, coordination and implementation of balanced inputs. Therefore, projects, organic, closely integrating material into the number, scope, structure, time plans and project schedules, material and personnel in a balanced manner to the project and achieve balanced rhythmic material control, project construction, to achieve the desired progress goals to achieve accurate logistics management, reduce material waste, reducing construction costs.

3.3.2 site material for precision control and material needs accurate forecasting

Accurate prediction precision control of materials and material needs for sharing the project database on the basis of dynamic real-time for materials status, project schedule status and phased plan, accurate forecasting project material needs. After project creation, project management subsystem to overall progress plan entry in the project database. In the project after the implementation of dynamic track materials in real time stock status of warehouses management subsystem, and timely feedback to the project database. Material site management subsystem real-time records material admission, and material loss, and material production, and material recovery, and material returned warehouse, more content, shortcut of statistics site material status and feedback to project database; engineering management subsystem real-time track project progress status, report Trojan is not completed engineering and change engineering, and pursuant to constraint limit conditions, dynamic developed stage progress plans; budget management subsystem pursuant to real-time update of material information precision forecast material demand.
Therefore, the precision control of materials and material needs accurate forecasting accurate logistics management is one of the key elements, is an important means to achieve accurate construction goals.

3.3.3 supply channel select

Supply channel select accurate logistics management is one of the core business, in very prominent throughout the supply chain management, is the source of the material. Select goal is to supply material from the purchase and lease to materials storage minimizes the total cost, quality, delivery, service level reaches the top level, particularly the choice of material suppliers, leasing company. Therefore, you can draw the following linear programming model.

Q, l, s, is the enterprise established to supply the required level of quality and service, the delivery lead time, and d is the total demand. Set stage once needs procurement m species material, each species material may for select of supplier (or leasing company) has n a, is xij said subsection I species material supplier j supply volume, Di is subsection I species material of total demand, TIJ is material xij of transport cost, PIJ.qij,LIJ, and SIJ respectively is about supplier price, and quality, and delivery ahead of period and service level of parameter. Linear programming model that can be received are as follows:

Material procurement, leasing total minimum costs on

When using this model, you need to supply the required level of quality and service, the delivery lead time can be quantified, and its quantitative criteria as shown in Figure 2, you need to determine in advance, as materials procurement standards. By linear programming calculation results shows vendor-supplied materials and leasing company leases for material and equipment.

4. conclusions and recommendations

Precision logistics management is precision built during one of the key work, a construction enterprise production process is on of the effective control of the use and consumption of materials. Therefore, accurate logistics management, coordination of internal and external relationships between various functional departments of construction enterprise, from the whole construction process control of logistics to achieve material supply good, fast turnaround, low consumption, cost, guarantee and promote the production of building construction enterprises, accelerate cash flow, reduce construction costs and improve product quality and customer satisfaction.

Therefore, accurate logistics management is one effective way of building construction Enterprise material management, the implementation needs to construction enterprises to achieve accurate construction information, process reengineering and the introduction of ideas as a basis. Therefore in practice, you should not rush, to build good hardware Foundation of construction enterprises and progressive realization.

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