This standard applies to the quality inspection and assessment of new overhead power line projects of 220kV and below in the construction of oil, gas fields and long-distance pipeline projects. SY 4030.1-1993 Petroleum Construction Project Quality Inspection and Assessment Standard Electrical Engineering (Overhead Power Line Project) SY4030.1-1993 Standard Download Decompression Password: www.bzxz.net

Standard for Petroleum Construction EngineeringElectrical Engineering
(Overhead Power Lines Engineering)SY4030.1--93
Editor: China National Petroleum Corporation Infrastructure Engineering BureauApproving department: Ministry of Energy of the People's Republic of ChinaEffective date: March 1, 1984
Petroleum Industry Press
1993·Beijing
Earthwork engineering
Cast-in-place foundation engineering
Assembled prefabricated foundation engineering
Rock foundation engineering
Tower support engineering
Wire installation engineering
Wire erection engineering| |tt||Accessory installation project
10Pole electrical equipment installation project
11Household line installation project
12Grounding project
Appendix A
Appendix B
List of inspection instruments.
Overhead power line project quality assurance data··Terms used in this standard
Additional explanation
1 General
1.0.1This standard applies to the quality inspection and assessment of 220kV and below newly built overhead power line projects in the construction of oil, gas fields and long-distance pipeline projects. 1.02The division of overhead power line project unit (division) engineering and sub-projects shall comply with the provisions of SY4024-93 "Petroleum Construction Project Quality Inspection and Assessment Standards". The names of overhead power line unit (division) engineering and sub-projects shall comply with the provisions of Table 1.0,2.
Names of unit (division) projects and sub-projects of overhead power lines Table 1,0,2 Name of unit (sub-project) project
Guokong power line
Earthwork engineering
Sub-project name
Cast-in-place foundation engineering
Assembled foundation engineering
Rock foundation engineering
Pole and tower engineering
Wire installation engineering
Conductor installation engineering
Attached installation engineering
Pole electrical equipment installation engineering
User line installation engineering
Grounding engineering
1.0.3 While implementing this standard, the provisions of "SY4024-93 General Rules for Quality Inspection and Assessment of Petroleum Construction Projects" should also be observed. 1.0.4 The main indicators and requirements of this standard are proposed based on the following standards and specifications: GBJ233-90 "110~500kV overhead power line construction and acceptance specifications GB50173-9 "Electrical installation engineering 35KV and below overhead power line construction and acceptance specifications".
1.0.5 The inspection tools and instruments used in the project quality inspection and evaluation should be within the validity period of metrological verification, and the names and specifications of the main tools and instruments should comply with the provisions of Appendix A of this standard.
1.0.6 The names of the quality assurance materials for overhead power line projects should comply with the provisions of Appendix B of this standard.
Earthwork engineering
Guarantee items
2.1.1 Before the construction of earthwork engineering, the construction base must be measured according to the design disclosure. Inspection method Check the construction measurement records according to the design drawings. 2.2 Basic items
2.2.1 The quality requirements and specified scores of the tower foundation pit shall comply with the provisions of Table 2,21.
The quality requirements and specified scores of the tower foundation pit The depth of the overhead power line tower foundation pit of 110k or more exceeds
Quality requirements
Specified scores
The bottom of the pit should be leveled
+100m, and should be treated according to the provisions of the specification
The depth of the foundation pit of the same tower should bebZxz.net
Inspection quantity
Spot check 20%, but not less than 5 places, which should include the foundation pits of terminal, tension and corner towers.
Inspection method Inspection record or observation inspection. 2.2.2 The quality requirements and specified scores of rock foundation pit excavation shall comply with the provisions of Table 2.2.2.
Quality requirements
Specified scores
Quality requirements and specified scores for rock foundation pit excavation The pit depth should not be less than the design depth
The hole drilled for lack of solid foundation
The designed taper should be maintained
The stone powder, floating soil
and loose rocks on the pit wall should be removed
The rock foundation pit excavation
should not destroy the integrity of the structure
Spot check 20%, but not more than 5 places, which should include the terminal, the main tension and the corner tower foundation pit.
Inspection party Hao observation inspection or inspection of hidden engineering records. 2.2.3 The quality requirements and specified scores for foundation pit backfilling should comply with the provisions of Table 2.2.3.
Quality requirements and specified scores for foundation pit backfilling. The quality requirements for each backfill of the soil pit are specified scores, and weeds and ice and snow must not fall into it. Inspection quantity. Inspection method. Stone pit backfilling is to mix stone and soil in a ratio of 3:1 and then backfill in layers. 20% of the pumping is required. The water pit should be drained first, backfilled to soil, and the hidden engineering records or observations should be checked in layers. 2.3 Allowable value difference items
Measures should be taken to reinforce the foundation pit that is not suitable for compaction.
2.1 The quality indicators of the allowable deviation items of earthwork engineering, their inspection quantity, inspection methods and specified scores should comply with the provisions of Table 2.3.1. Pre-
Quality indicators of earthwork engineering allowable deviation items and their inspection quantity inspection methods and specified scores
Pole tower foundation pit depth
Wire wire foundation pit depth
Pole tower foundation pit root opening
Pole tower and wire
35kV and below
Anti-sinking platform height
Allowable deviation
(mm）
+Uncontrolled
10k and above
Anti-sinking trench anti-sinking combined height (m)
Anti-sinking platform upper area
Specified value
Inspection quantity inspection method specified score
Sweet inspection 10 feet measurement inspection
[100~300
School pit
24 Earthwork sub-item engineering quality inspection and evaluation table 2.4.1
The quality inspection and evaluation table for earthwork sub-item engineering shall conform to the unified format of Table 2, 4, and 1. 5
Guarantee item
Item actual situation
Item uniform situation
Sub-item location
Foundation pit
Stone foundation pit excavation
Return period
Foundation pit return area
Accurate number
Inspection result
Approval grade
Evaluation chain
3 Cast-in-place foundation engineering
31 Guarantee item
3, 11 The varieties and specifications of raw materials such as steel and cement used for cast-in-place foundation must meet the design requirements, and they should be accompanied by product factory quality certificates or test reports.
Inspection method Check the factory quality certificate or test report of raw materials. 3.1.2 It is strictly forbidden to add chloride salts to foundation concrete. Inspection method Check the construction record of concrete foundation. 3.13 The strength of the foundation built on site must meet the design requirements. Inspection method Check the test record of concrete strength test blocks, and use rebound hammer to conduct random inspection at 30% when necessary.
32 Basic items
3.2.1 The quality requirements for the maintenance and surface of the foundation cast on site and the number of inspections, inspection methods, and specified scores shall comply with the provisions of Table 3, 2, 1. The quality requirements of the curing and surface of the cast-in-place foundation and its inspection quantity, inspection method, and specified score
The quality requirements of the curing and test block preparation of the foundation
Inspection quantity
Inspection method
Specified score
The work should comply with the specifications
The surface should be flat and without obvious
Spot check 30%
Inspection construction records
Observation and inspection
The foundation strength when removing the formwork should not be less than
2.5MP8, and should not damage
foundation surface and edges
Inspection of construction records and observation inspection
3,2.2 The quality requirements of anchor bolts and embedded parts, their inspection quantity, inspection methods and specified scores shall comply with the provisions of Table 3.2.2. The quality requirements of anchor bolts and embedded parts, their inspection quantity, inspection methods and specified scores
Quality requirements The installation should be firm and correct, without any leakage. Inspection quantity
Inspection method Check by hand
Specified score
The bolts should be perpendicular to the foundation surface
Spot check 3 required
On-site inspection
3,3 Allowed adjustment items
The bolt thread should be intact
The quality indicators of the allowable deviation of the cast-in-place foundation project, their inspection quantity, inspection methods and specified scores shall comply with the provisions of Table 3,3,1. Quality indicators of permissible deviation items of cast-in-place foundation engineering and their inspection quantity, inspection methods and regulations
Tower foundation
Leg size
Protective layer thickness (m)
Vertical and pedestal section size
Displacement of center of high-mounted anchor bolt from center of vertical axis (mm)
Sectional size
Gusset foundation
Displacement of center of guy ring from designed position
Displacement of center of guy ring from designed position in front and back
direction of guy ring (the distance between the agreed point of center of guy ring)| |tt||Allowable deviation inspection number plate inspection method specified score 15
一一8
Random inspection 3%
[but not less than
Measurement inspection
Horizontal line direction
Anchor bolt inspection type Main steel trace
Along the cutting direction
Foundation root opening and diagonal
Line size
Straight line (m blood)
Corner (mm)
Corner (Ⅱ blood)
Anchor bolt type
Main steel insertion type
Relative height difference between foundation items or main steel flat marks (m)||t t||Torsion of foundation ()
Horizontal displacement between the center of foundation and the center pile (mm)
Dimensions of foundation root opening and diagonal
Elevation difference between the top surface of foundation or the main steel level (mm)
Torsion of foundation ()
Continued Table 3.3.1
Allowable deviation Inspection quantity Inspection method Specified score 30
±2
Full inspection Measurement inspection
Note: (①Horizontal direction of corner tower foundation refers to the direction of the internal angle bisector: Along the line direction refers to the direction of the angle bisector:
② Foundation The foundation root opening and diagonal line refer to the horizontal distance between the centers of the same group of anchor bolts or the main steel lines of the tower legs:
③Relative height difference should not refer to the relative height difference after plastering. When the corner tower and terminal tower are pre-compiled, the relative height difference of the top surface of the foundation is not limited to 5mm,
①The elevation difference of the pre-compiled foundation surface refers to the ratio with the design elevation; ②Commercial towers refer to the large span design, and the tower height is more than 8 blood: ③L is the horizontal distance from the center of the guy ring to the center of the pole tower. 3.4 Quality inspection and evaluation table of cast-in-place foundation sub-project 3.4.1 The quality inspection and evaluation table of cast-in-place foundation sub-project should comply with the unified format of Table 3.41.
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