Table of Contents
Certificate of Original Authorship i
Certificate of Dissertation - Advisor’s consent ii
Certificate of Dissertation - Program Chair iii
Acknowledgments IV
Abstract v
List of figures VI
List of table’s viii
1 Introduction 1
1.1 Aim 1
1.2 Objectives 1
2 Literature Review 2
2.1 Used Low Impact Development for Stormwater Management System 2
2.2 Practice Low Impact Development and it’s effect on Urban Stormwater Management 3
2.3 Sewerage Network Evaluation of SVNIT using StormCad software 4
2.4 Rainfall–runoff estimation by using SCS–CN Curve Method and GIS approach in Vaniyar sub basin, South India 5
2.5 Best Suitable Location of LIDs by Using GIS-based fuzzy model. 6
2.6 GIS Based Model MOBIDIC-U for Site Selection of LID 6
2.7 Priority for low impact development (LID) in Oklahoma area using combined watershed 8
2.8 Study and Design of Current Stormwater Drainage Network for Area Using Bentley StormCad Software. 9
3 Study Area 10
4 Methodology 11
4.1 Methodology Flow Chart 11
4.2 Data Used 11
4.3 Network Digitization 12
4.4 Watershed/Catchment area 12
4.5 Import network in CivilStorm 14
4.6 Rainfall Runoff Calculation Method 14
4.6.1 Using Linear and Exponential Regression 14
4.6.2 Empirical Formula Method 15
(a) Run-off Coefficient: The run-off and the rainfall can be co-related by runoff coefficient, by using this equation. 15
(c) Lacey’s Formula 16
(d) Khosla’s Formula (1960) 16
(e) UP Irrigation Research Institute formula 16
4.6.3 Runoff by Infiltration Method 17
4.6.4 Rational Method 18
4.7 Input Parameters 25
4.7.1 Rainfall Runoff Method 25
4.7.2 Runoff Coefficient 25
4.7.3 Time of Concentration 26
4.7.4 IDF Table 26
4.8 Network Validation 27
5 Network Profile 28
6 Results 29
6.1 Calculation Summary 29
6.2 Overflowing Catch basin’s Mapping 29
6.3 Consideration of Natural Parameters 30
6.3.1 Slope Calculation 31
6.3.2 LULC Classification 32
6.3.3 Euclidean Distance 33
6.3.4 Reclassification 33
6.3.5 Weighted Overlay Analysis 35
6.3.6 Tool for Best Suitable Location of LIDs 36
6.3.7 Overlap Overflowing Catchbasins on Results 36
6.4 Validation 37
7 Design LID structure 38
7.1 Site Selection for LIDs 38
7.2 Selection of LID Structure Type 39
7.3 Vegetated swale 40
7.3.1 Advantages 40
7.3.2 Limitations 41
7.3.3 Design and Guidelines 41
7.3.4 Construction 42
7.3.5 Siting Criteria 42
7.3.6 Estimated Cost 42
7.3.7 Volume Changes by Using Vegetated Swale 43
7.4 Infiltration Trench 43
7.4.1 Advantages 44
7.4.2 Limitations 44
7.4.3 Design and Sizing Guideline 44
7.4.4 Siting Criteria 46
7.4.5 Estimated Cost 46
7.4.6 Volume Changes by Using Infiltration Trench 46
7.5 Bioretention 47
7.5.1 Advantages 48
7.5.2 Limitations 48
7.5.3 Design and Sizing Guideline 48
7.5.4 Performance 49
7.5.5 Siting Criteria 49
7.5.6 Estimated Cost 49
7.5.7 Volume Changes by Using Bioretention 50
7.6 Time for Elimination of Flooded water 51
7.7 Suggested LIDs to All Flooded Location 51
8 Conclusion 53
References 54