GRC product project construction organization design plan

First, GRC product ingredients, processes and processes:

1. Composition of GRC components: The basic components of GRC components are aluminum citrate fast-drying cement, alkali-resistant mesh fiberglass cloth, alkali-resistant glass fiber yarn, river sand, and galvanized steel bars.

2. According to the requirements of the owners, the GRC components are supplied with matching requirements and signed and approved skill maps by the planning department. They are sent to the mold department of the production department as a high-standard, high-quality molding mold, and are tested by full-time quality inspectors to meet the quality and skill requirements. After that, each production workshop is ready for production. After the production workshops receive the re-confirmation of the molds, they are processed and produced according to the requirements for determining the skills, steel reinforcement standards, layout, and connection methods. According to the cooperation ratio of cement river sand 1:1.5, and participate in additives, stirring to generate raw materials for the production of GRC components.

3. During the manufacture, first apply the mold release agent on the mold, and lay a layer of 1:1 (cement:sand) cement mortar on the outer surface of the mold, and then lay down the alkali-resistant mesh fiberglass cloth, and place the preliminarily tied After molding the pre-embedded steel bar, according to the cement, river sand, and alkali-resin glass fiber yarn, the cooperation ratio is (1:1.5:0.15). The cement mortar of the other additive is evenly placed in the mold, and is laid flat, compacted, wiped and lubricated. Steam drying molding. After all, it constitutes an excellent, high-quality GRC product.

Second, the construction schedule planning:

In order to ensure the quality, progress and safety of the project and improve construction efficiency, the company's ad hoc project manager, project deputy manager, field technician, construction chief, device captain, installation team member, safety officer, full-time electrician, welder, and machine worker Mechanic and handyman, see the attached table for details.

Third, pre-construction preparation:

1. According to the construction drawings supplied by the construction unit, our company's project department:

A. Seriously check the actual situation of the construction drawings and the site, if any problems are immediately negotiated with the construction party.

B. According to the planning plan determined in the end, and according to the standard, quantity, device parts collation, after accuracy, arrange GRC components production, appearance

C, accurate marking, positioning.

D. Arrange personnel to appear on the device.

IV. GRC component skill requirements (according to Q/74034994-5.02-2002)

A. Cement: Cement should comply with JC714-1996 rules

B: coarse aggregate: ceramsite should be in accordance with JC714-1996, pebbles and gravel should be in accordance with the rules of GB/T14685-2001.

C: Fine aggregate: Fine aggregate should conform to the rules of GB/T14684-2001.

D: Rebar: It should be in accordance with the rules of GB1499-1989.

E: Glass fiber; should conform to JC/T572-2002 rules.

F: Steel wire: It should comply with the rules of GB/T5223-2002.

G: Water: Production of mixing water should comply with JCJ63-1989 rules.

V. Device construction:

1. According to the conclusion of good construction drawings and the skill of the construction project department, according to the orientation and elevation of the device, the pen straight and horizontal lines of the GRC components shall be released.

2. The GRC components, metal expansion bolts, welded galvanized rebars, and drill bit numbers of the selected parts of the equipment are selected according to the layout plan and transported to the installation site. The intervals of the reinforcements are pre-embedded by the components, and are blown on the construction carrier. Corresponding parts of the parts are embedded with the spacing of the reinforcing bars, and metal expansion bolts are embedded in the space. It is necessary for the metal expansion bolts to deepen the bottom of the carrier and tighten.

3. It is necessary to put horizontal lines and straight lines on the device components to ensure that the leveling and straightness errors are common with the skills.

4. One hole is punched in each part of the GRC component device, and the steel bar is inserted (in order to ensure the horizontal direction of the device). The GRC construction is placed on the inserted steel bar, and the horizontal line on the rear component is pulled. After the horizontal line is determined, the horizontal line will be pre-determined. The selected galvanized parts for welding and the components, the embedded metal expansion bolts begin to be welded, and the welding starts to be fixed. After the inspection is qualified, the final fixation is performed. When the single lap welding is selected for the welding, the lap length is ≥10d. Length ≥ 5d, if the lap length can not reach the choice of reinforcing steel or welding methods fixed, can not leak, false welding, bite.

5, galvanized steel welded parts and anti-rust paint brush should be to prevent oxidation corrosion.

6. When encountering a hollow brick wall, the lines below 300mm in height shall be fixed by the above method. The lines above 300mm in height shall be welded with the flattened diameter of the expansion bolt at the end of the expansion bolt and then welded through the wall to form a T-shape with a length of not less than 80mm-100mm, interval and member embedded reinforcement interval common and corresponding to ensure that the device is strong.

7. Joint repair

A: Filling the inner seam (opening line): After the orientation, straightness, levelness, welding length, anti-rust paint, etc. of the device all meet the planning and construction requirements, and after the relevant parts have been checked and passed the inspection, they will be replenished. When cleansing, wet joints are first moistened with water, and the prepared 1:2.5 cement mortar is used to make joints. In the meantime, the joints between the components and the lower horizontal joints of the carrier are triangled to a height of 3-150px, or the cover of the bottommost expansion bolt shall prevail. Straight seams, fill seam width 5-200px, thickness 2-75px (including cover member, window cover line outside), fill.

B: Filling up the straight upright surface: After finishing the sewing or making up the “V” shape, it is filled and flattened with glass fiber, 801 glue, and cement mortar.

C: The seam at the junction of the component and the wall

1. After finishing the sewing or making up the “V” shape, it is filled and flattened with glass fiber, 801 glue, and cement mortar.

2. Used as insulation special anti-crack mortar to form a "V" shape or a small "R" (made by insulation company)

3. Fill

A. When the GRC component comes with a cover plate, it is not filled.

B. When the distance between the upper mouth of the GRC component and the main structure is ≤ 400mm, the cement and slag cooperation ratio is 1:5.

4, top pressure

A. When the GRC component comes with the cover plate, it does not press the top.

B, pressure top selection of C20 fine stone mortar.

C. When all squatting lines, rain walls, and turrets are pressed at the top, 5% of slope should be considered, which is internal flooding. The other departments are flooded with water, and the slope is 5%. The device is located under the rain awning board and the sampan board.

5, waterproof

 A. The rolling roof and cover plate of GRC components are covered with waterproof membranes. It is necessary to make a curl at the junction with the wall. The height of the edge is 100mm.

B. Waterproof membranes should be selected by the manufacturers that the country has agreed to produce.

C. The appearance of the waterproof roll should be 1:2 cement mortar maintenance layer h=25mm.

D. The construction quality inspection standards should be strictly implemented during construction.

Sixth, construction safety measures: (see the attached table)

1. Establish a safety management system and safety responsibility systems at all levels.

A. The on-site management (construction foreman) should cooperate with the safety personnel of Party A to do a safe job. The offending personnel should severely criticize the education. The safety consequences are at their own risk.

B. Set up labor safety disciplines and guidelines for rewards and punishments at work sites. Cooperate with Party A security personnel to install warning signs and signage in important positions to enhance the safety awareness of construction workers.

2. Cooperate with the safety staff of Party A to strengthen safety education and safety skills, and follow the safety production policy of "safety top, prevention first". Safety training should be conducted for operators participating in the construction, and ideologically induced construction personnel and operations. The staff pays attention to the progress and safety awareness and eliminates risk behaviors such as blindness and risk taking. Before the partial or sub-item construction is performed, the sub-item engineering safety and skills handover work is performed and records are made. During the construction process, inspections and urgings are made at any time. Correct violations.

3. Formulate engineering safety skills methods:

A. Protection against electric shock and fire: In the aspect of construction electricity use, set up all power circuits according to the floor plan of the construction, and make them adhere to outstanding operating conditions, prohibit private connections and surround the metal poles, and set up a full-time electrician at the site. Power lines are serviced at any time.

B. Anti-mechanical wounding: All non-operators must not operate the construction machinery arbitrarily, and certain operators need to hold certificates, and it is necessary for the open-air machinery to do the “three defenses” approach.

C. Dropping at heights: Do not play slapsticks during work at heights. Do not wear hard bottoms or slippery shoes to work. Do not drink after work. It is necessary to wear a safety belt to work and wear a safety helmet correctly.

D. Preventing falling objects and wounding people: It is forbidden to throw any object from high altitude. It is necessary to wear a safety helmet when working.

E. Strengthen inspections at any time before work, during construction, and after work, correct any violations at any time, discover unsafe risks, remove them in a timely manner, and summarize safety operations and hold safety meetings.

Seven, construction skills approach:

1. The raw materials, standards, shapes, orientations and fixing methods of the data should be in accordance with the planning requirements and the equipment is robust.

2. It is necessary to ensure the length of lap joints when components are installed. The weld seam is plump and flat, and the quality defects such as false welding, missing welding, and “bite” are prohibited.

3, the appearance of flat, straight lines, seams less than 5mm. .

4. The number, standard, orientation, and connection points of the expansion bolts must meet the planning requirements.

Eight, civilized construction:

In order to strengthen the construction of civilized construction on the construction site and maintain the city’s appearance and environment, this rule is formulated in accordance with the relevant rules of the country and the actual conditions of the site.

1. The project manager (project person in charge) of the construction unit shall fully handle the construction process, establish a civilized construction responsibility system, and arrange for implementation.

2. According to the requirements of the general construction plan for the construction of the construction site, set up the piled construction equipment and materials sites; without the agreement of the general contractor, no construction materials or machines shall be piled up on the construction site.

3, shall not invade the road and safety protection equipment.

4. Implement all kinds of "four-hazards" methods and control the "four evils".

5. The migrant workers' dormitory in the construction site should meet the requirements for sanitation and residence. The dormitory should be kept in order and must not be mixed with men or women for intermingling and residence. Do not urinate anywhere.

6. The compartments on which the construction site is to be transported should be strong and compact. It is forbidden to throw, spill, drip or leak along the way during the loading process. It is necessary to transport the vehicle and then play it out.

7. During the construction, attention should be paid to the arrangement of construction sites so that they can do as they please and adhere to the construction cleanliness.

8. During the construction, construction materials, waste soil, old materials and other miscellaneous materials shall not be thrown at will, and rickshaws and tricycles shall not be used to transport off-site construction waste, waste soil, and construction materials.

9, set a variety of protective equipment to avoid the dust generated during construction and waste, debris drift

9. Temporary fire fighting equipment

1. The application industry should be equipped with live-saving devices, and participate in construction personnel to conduct fire-related general knowledge training, so that the use of savers can be correctly applied, the guidelines for clear fire can be clearly defined, and the relevant rules and reporting guidelines for fire monitoring can be clearly defined.

X. Product Maintenance

During the construction period, the subcontractor has the responsibility for performing product maintenance on the successive projects. The subcontractor shall keep good records of his own products, especially valuable items. After the inspection of a single project, the corresponding product maintenance shall be performed by the general contractor.

XI. In order to ensure smooth construction of the project, the construction emergency method is adopted.

1. Rainfall emergency measures for construction projects: Bring a group of sheltered ponchos. When it rains, cover the top of the scaffold with sheltered tarpaulins to ensure the safety of construction personnel.

2. Emergency measures for construction speed

A. When the progress of the project construction fails to meet the expected requirements, it immediately arranges for additional preparation to appear.

B. When the progress of the project construction fails to meet the expected requirements, the entire staff shall be arranged to repair overtime in turn.