1.0.1 The Specifications are specially established with a view to adapting to the demand of construction of drainage engineering for airfield area of civil airports in China, strengthening the construction management and safety production, improving construction technique level and ensuring engineering quality, economy and rationality, materials conservation and economic benefit promotion.
1.0.2 The Specifications are applicable to the quality standard, inspection frequency and method for construction of drainage engineering for airfield area of newly-built, extended and rebuilt civil airports (including the civil parts of civil and military airports). General airports and heliports may be implemented by reference to the Specifications.
1.0.3 Corresponding technical measures shall be taken for the construction of drainage engineering for airfield area of airports according to design document in combination with local climate, hydrology, geology, tools, equipment etc. so as to ensure engineering quality and construction safety.
1.0.4 New technique, technology, material and equipment which are mature and approved by competent departments shall be actively popularized during construction of drainage engineering.
1.0.5 Quality requirements in the Specifications are established according to practical experience in civil airport construction over the years by reference to the current relevant national standards. The construction of drainage engineering for airfield area of airports shall not only meet the requirements stipulated in the Specifications, but also comply with those specified in relevant current national standards and specifications.
1 General Provisions
2 Terms
3 Construction Preparation and Construction Measurement
3.1 Construction Preparation
3.2 Construction Measurement
4 Trenching
4.1 General Requirements
4.2 Trenching Section
4.3 Earth Excavation and Mounding
4.4 Quality Standards for Trenching
4.5 Support
5 Unsurfaced Subgrade at Trench Bottom
6 Bed Course
6.1 General Requirements
6.2 Quality Standards
7 Template and Steel Bar
7.1 General Requirements
7.2 Fabrication and Installation of Template
7.3 Quality Standards
7.4 Template dismantlement
7.5 Steel Bar
8 Concrete Construction
9 Cover Plate Trench
9.1 Reinforced Concrete Cover Plate Trench
9.2 Brick and Stone Cover Plate Trench
9.3 Precast Cover Plate
10 Reinforced Concrete Box Culvert
11 Pipeline
11.1 Pipe
11.2 Pipe Base and Pipe Seat
11.3 Pipe Section Installation
11.4 Pipe Interface
11.5 Pipe Strengthening
11.6 Pipe-jacking
11.7 Pipe Seepage Test
12 Inspection Well, Connector Well, Collector Well and Water Inlet and Outlet
12.1 Inspection Well, Connector Well and Collector Well
12.2 Water Inlet and Outlet
12.3 Quality Standard
13 Backfilled Soil
14 Open Trench
14.1 General Requirements
14.2 Soil Open Trench
14.3 Brick and Stone Revetment Open Trench
14.4 Cement Concrete Revetment Open Trench
15 Joint
16 Water Seepage System
16.1 General Requirements
16.2 Pipe-type Water Seepage System
16.3 Pipeless Water Seepage System
16.4 Quality Standard
Appendix A Rigid Interface
Appendix B Flexible Interface
Appendix C Seepage Test
Explanation of Wording in the Specifications
