DB1404/T 33-2024
Changzhi Sponge City Engineering Design Guide (English Version)

Scope: Basic regulations, parameters and calculations for sponge city engineering design, source reduction engineering design, rainwater pipe engineering design, drainage and storage engineering design, typical scenario design, single facility design and other technical requirements

DB1404/T 33-2024 Referenced Document

CJ/T 542 Modular rainwater storage facilities
CJJ 169 Code for pavement design of urban road
CJJ 181 Technical specification for inspection and evaluation of urban sewer
CJJ 6 Technical specification for safety of urban sewer maintenance
CJJ/T 135 Technical specification for pervious cement concrete pavement
CJJ/T 188 Technical specification for permeable brick pavement
CJJ/T 190 Technical specification for permeable asphalt pavement
CJJ/T 210 Technical specification for trenchless rehabilitation and renewal of urban sewer pipeline
GB 3838 Environmental quality standards for surface water
GB 50014 Design Standards for Outdoor Drainage
GB 50015 Code for design of building water supply and drainage
GB 50265 Pump station design standard
GB 50345 Technical code for roof engineering
GB 50400 Technical code for rainwater management and utilization of building and sub-district
GB 51174 Technical specifications for urban rainwater regulation and storage projects*， 2026-03-13 Update
GB/T 17638 Geosynthetics—Synthetic staple fibers needlepunched nonwoven geotextiles
GB/T 17642 Geosynthetics Nonwoven Fabrics Composite Geomembrane*， 2025-04-25 Update
GB/T 17643 Geosynthetics Polyethylene Geomembrane*， 2025-04-25 Update
GB/T 25993 Permeable paving bricks and permeable paving flags
GB/T 50805 Code for design of urban flood control project
GB/T 51345 Sponge City Construction Evaluation Standards
JGJ 100 Code for design of parking garage building
JGJ 155 Technical specification for green roof