1.0.1 This code was formulated in order to improve the construction level of mechanical equipment installation engineering, promote technical progress, ensure the construction quality and safety and improve the economic benefit.
1.0.2 This code is applicable to the general parts in the construction and acceptance of various mechanical equipment installation engineerings.
1.0.3 The mechanical equipment installation engineering shall be started from the unpacking of equipments to the construction and acceptance of the equipments in zero load test run, and the mechanical equipments that shall have the test run with load, it shall be end until to the load test run.
1.0.4 The construction of mechanical equipment installation engineering shall be carried out according to the engineering design, the engineering design is prohibited to being revised arbitrarily, corresponding opinions and advices shall be offered timely if any mistakes are discovered in the design documents and drawings, besides, the construction shall be carried out according to the engineering design modified by the original design organization.
1.0.5 The installed mechanical equipments, spare parts and primary materials must be in accordance with those specified in the engineering design and the relevant product standards and shall also be with the conformity certificates.
1.0.6 The various measuring instruments, detectors, instruments, apparatus and equipments adopted in the mechanical equipment installation engineering must meet those specified in the current relevant national standards; their precision class shall meet the accuracy requirement of the test item.
1.0.7 In the construction of mechanical equipment installation engineering, the construction quality shall be inspected and recorded. As for the concealed engineering, it shall be inspected and recorded before the engineering is concealed, and the equipments shall be continued to be installed after the inspection is qualified. In the engineering acceptance, the acceptance check and necessary random inspection work are carried out based on the related records.
1.0.8 The construction and acceptance of mechanical equipment installation engineering shall not only comply with this code, but also shall comply with those specified in the in the current relevant national standards.
2 Construction Conditions
2.0.1 Before the construction of mechanical equipment installation engineering, the following engineering design drawings and technical documents shall be prepared:
1 The technical general location map, hypsography, equipment foundation drawing, installation construction drawing as well as general description of construction and commentary technical documents;
2 The instruction manual of mechanical equipment and the related technical documents on mechanical equipment installation;
3 Such drawings as building structure, pipeline and road related to the mechanical equipment installation.
2.0.2 When unpacking the mechanical equipments, the workers from development organization shall participate in and the mechanical equipments shall be inspected and recorded according to the following items:
1 Case number, case quantity as well as packaging conditions;
2 Names, types and specifications of mechanical equipments;
3 The matched technical documents and special tools;
4 Whether the mechanical equipments awe with defect pieces and whether the surface is with damages and corrosion;
5 Other particulars that need to be recorded.
2.0.3 Before installing the mechanical equipment, its foundation, terrace and relevant building structures shall meet the following requirements:
1 The quality of mechanical equipment foundation shall be in accordance with the relevant regulations specified in the current national standard "Code for Acceptance of Constructional Quality of Concrete Structures" GB 50204, and shall also be with the acceptance information and record; the position and dimension of mechanical equipment foundation shall be retested according to those specified in table 2.0.3;
1 General Provisions
2 Construction Conditions
3 Setting out Perch and Centering Leveling
4 Anchor Bolt, Iron Gasket and Grouting
4.1 Anchor Bolt
4.2 Iron Gasket
4.3 Grouting
5 Assembly
5.1 General Provisions
5.2 Joining and Fastening
5.3 Assembly of Couplings
5.4 Assembly of Clutches and Detents
5.5 Assembly of Sliding Bearings
5.6 Assembly of Antifriction Bearings
5.7 Assembly of Driving Strap s, Chains and Gears
5.8 Assembly of Sealing Articles
6 Installations of Hydraulic Pressure, Pneumatic and Lubrication Pipe
6.1 Preparations for Pipes
6.2 Welding of Pipe
6.3 Pipe Installation
6.4 Pickling, Flushing and Blowing of Pipes
6.5 Pressure Test and Paint of Pipe
7 Commissioning
7.1 Requirements of Commissioning
7.2 Electrical and Operational Control System Commissioning
7.3 Lubrication System Adjustment
7.4 Hydraulic Pressure System Commissioning
7.5 Pneumatic and Cooling System Adjustment
7.6 Heating System Adjustment
7.7 Operation test of Mechanical Equipment
7.8 Zero Load Test running of Cmplete Mchine
8 Acceptances of Works
Annex A Iron Gaskets
Annex B Making of Ground Grouting Concrete and Placement of Sizing Block
Annex C Placement of Gasket with Mud-jack Method
Annex D Derusting Method of Metal Surface
Annex E Cleaning of Built-up Member and Pipe
Annex F connection Rigidity and Pretightening Force of Bolt
Annex G Press-in Force and Temperature Calculation of Stationary Fit
Annex H Measurement and Calculation for Radial Dispersion and Obliquity of Two Axes in Coupling Assembly
Annex J Pipe Washing Cleanliness Grades
Wording Explanations
1.0.1 This code was formulated in order to improve the construction level of mechanical equipment installation engineering, promote technical progress, ensure the construction quality and safety and improve the economic benefit.
1.0.2 This code is applicable to the general parts in the construction and acceptance of various mechanical equipment installation engineerings.
1.0.3 The mechanical equipment installation engineering shall be started from the unpacking of equipments to the construction and acceptance of the equipments in zero load test run, and the mechanical equipments that shall have the test run with load, it shall be end until to the load test run.
1.0.4 The construction of mechanical equipment installation engineering shall be carried out according to the engineering design, the engineering design is prohibited to being revised arbitrarily, corresponding opinions and advices shall be offered timely if any mistakes are discovered in the design documents and drawings, besides, the construction shall be carried out according to the engineering design modified by the original design organization.
1.0.5 The installed mechanical equipments, spare parts and primary materials must be in accordance with those specified in the engineering design and the relevant product standards and shall also be with the conformity certificates.
1.0.6 The various measuring instruments, detectors, instruments, apparatus and equipments adopted in the mechanical equipment installation engineering must meet those specified in the current relevant national standards; their precision class shall meet the accuracy requirement of the test item.
1.0.7 In the construction of mechanical equipment installation engineering, the construction quality shall be inspected and recorded. As for the concealed engineering, it shall be inspected and recorded before the engineering is concealed, and the equipments shall be continued to be installed after the inspection is qualified. In the engineering acceptance, the acceptance check and necessary random inspection work are carried out based on the related records.
1.0.8 The construction and acceptance of mechanical equipment installation engineering shall not only comply with this code, but also shall comply with those specified in the in the current relevant national standards.
2 Construction Conditions
2.0.1 Before the construction of mechanical equipment installation engineering, the following engineering design drawings and technical documents shall be prepared:
1 The technical general location map, hypsography, equipment foundation drawing, installation construction drawing as well as general description of construction and commentary technical documents;
2 The instruction manual of mechanical equipment and the related technical documents on mechanical equipment installation;
3 Such drawings as building structure, pipeline and road related to the mechanical equipment installation.
2.0.2 When unpacking the mechanical equipments, the workers from development organization shall participate in and the mechanical equipments shall be inspected and recorded according to the following items:
1 Case number, case quantity as well as packaging conditions;
2 Names, types and specifications of mechanical equipments;
3 The matched technical documents and special tools;
4 Whether the mechanical equipments awe with defect pieces and whether the surface is with damages and corrosion;
5 Other particulars that need to be recorded.
2.0.3 Before installing the mechanical equipment, its foundation, terrace and relevant building structures shall meet the following requirements:
1 The quality of mechanical equipment foundation shall be in accordance with the relevant regulations specified in the current national standard "Code for Acceptance of Constructional Quality of Concrete Structures" GB 50204, and shall also be with the acceptance information and record; the position and dimension of mechanical equipment foundation shall be retested according to those specified in table 2.0.3;
Contents of GB 50231-2009
1 General Provisions
2 Construction Conditions
3 Setting out Perch and Centering Leveling
4 Anchor Bolt, Iron Gasket and Grouting
4.1 Anchor Bolt
4.2 Iron Gasket
4.3 Grouting
5 Assembly
5.1 General Provisions
5.2 Joining and Fastening
5.3 Assembly of Couplings
5.4 Assembly of Clutches and Detents
5.5 Assembly of Sliding Bearings
5.6 Assembly of Antifriction Bearings
5.7 Assembly of Driving Strap s, Chains and Gears
5.8 Assembly of Sealing Articles
6 Installations of Hydraulic Pressure, Pneumatic and Lubrication Pipe
6.1 Preparations for Pipes
6.2 Welding of Pipe
6.3 Pipe Installation
6.4 Pickling, Flushing and Blowing of Pipes
6.5 Pressure Test and Paint of Pipe
7 Commissioning
7.1 Requirements of Commissioning
7.2 Electrical and Operational Control System Commissioning
7.3 Lubrication System Adjustment
7.4 Hydraulic Pressure System Commissioning
7.5 Pneumatic and Cooling System Adjustment
7.6 Heating System Adjustment
7.7 Operation test of Mechanical Equipment
7.8 Zero Load Test running of Cmplete Mchine
8 Acceptances of Works
Annex A Iron Gaskets
Annex B Making of Ground Grouting Concrete and Placement of Sizing Block
Annex C Placement of Gasket with Mud-jack Method
Annex D Derusting Method of Metal Surface
Annex E Cleaning of Built-up Member and Pipe
Annex F connection Rigidity and Pretightening Force of Bolt
Annex G Press-in Force and Temperature Calculation of Stationary Fit
Annex H Measurement and Calculation for Radial Dispersion and Obliquity of Two Axes in Coupling Assembly
Annex J Pipe Washing Cleanliness Grades
Wording Explanations
