Chapter 17.20 DESIGN PRINCIPLES – DEVELOPMENT STANDARDS This chapter is included in your selections. Sections: 17.20.010 Street location and arrangement. 17.20.020 Street design. 17.20.030 Water facilities design. 17.20.040 Sewer facilities design. 17.20.050 Drainage design. 17.20.060 Block design. 17.20.070 Lot planning. 17.20.080 Easement planning. 17.20.090 Street lights.