Storm Drainage System PDF - National University

Building Utilities 1 STORM DRAINAGE SYSTEM  Building Utilities 1 COURSE OUTLINE Sanitary Drainage Systems: Drain and WK Sewage...

Building Utilities 1 STORM DRAINAGE SYSTEM  Building Utilities 1 COURSE OUTLINE Sanitary Drainage Systems: Drain and WK Sewage Disposal Systems: WK Orientation on National University WK Vision and Mission, Core Values, waste piping systems (direct and indirect Treatment and Recycling 1 3 6 and Class Policies waste piping systems) Annex B – Private Sewage Disposal NPCP Chapter 3 – General Regulations Systems Plumbing Concepts and NPCP Chapter 7 – Excreta Drainage System Principles, Definition of Terms NPCP Chapter 8 – Indirect Waste Piping NPCP – Basic Principles NPCP Chapter 2 - Definitions WK Sanitary Drainage Systems: Vent piping WK MIDTERM EXAM 4 systems; Ventilation and Ventilation System; 7 Fundamentals of Water Supply Plumbing traps WK System: Sources and uses of water; NPCP Chapter 9 – Vents and Venting 2 Physical, chemical and biological NPCP Chapter 10 – Traps and Interceptors properties of water; Water treatment methods; Water storage and distribution systems (Hot and Cold Water) WK Storm Drainage Systems (surface and NPCP Chapter 6 – Water Supply subsurface storm water) 5 NPCP Chapter 11 – Storm Drainage System and distribution COURSE OUTLINE WK Plumbing Materials (Water Supply, WK Pumps and Pumping Systems WK Plumbing Symbols Sanitary and Storm Drainage) Pipes 12 General Notes and 8 10 and Fittings: Valves and control devices; Types of joints, connections and supports NPCP Chapter 13 – Joints and Connections NPCP Chapter 14 – Plumbing Materials Plumbing System Layout (water Fire Protection Systems: Wet, WK WK distribution layout, sanitary drainage and Dry, Combined and Fire 11 vent piping layout, and storm drainage 13 Sprinkler Systems. layout) Plumbing Fixtures WK NPCP Chapter 4 – Plumbing 9 Fixtures WK FINAL EXAM 14  Building Utilities 1 I. Definition Storm Water System II. Pipe Materials for Storm The piping system that receives clear water Drainage drainage from leaders, downspouts, surface III. Factors run‐off, ground water, subsurface water, Affecting Storm condensate water, cooling water or other similar Drain Sizing IV. Parts of a Storm discharges and conveys them to the point of Drainage disposal. All sanitary wastes must be excluded System  Building Utilities 1 I. Definition Storm Water System II. Pipe Materials for Storm Drainage The portion of the plumbing system which conveys rain or storm water to a suitable terminal. This is III. Factors usually discharged into a street gutter conveyed by a public drain system and carried to some natural Affecting Storm drainage terminal such as lakes or rivers. Drain Sizing IV. Parts of a Storm Drainage System  Building Utilities 1 I. Definition Pipe Materials for Storm Drainage II. Pipe Materials for Storm Drainage Galvanized Iron (Cast or Wrought) Copper III. Factors Affecting Storm Drain Sizing IV. Parts of a Storm Drainage System  Building Utilities 1 I. Definition Pipe Materials for Storm Drainage II. Pipe Materials for Storm Drainage PVC ABS (Acrylonitrile-Butadiene-Styrene) III. Factors Affecting Storm Drain Sizing IV. Parts of a Storm Drainage System  Building Utilities 1 I. Definition Factors Affecting Storm Drain Sizing II. Pipe Materials for Storm Drainage The following factors should be considered when III. Factors determining the size of the storm drain: Affecting Storm Drain Sizing IV. Parts of a Storm 1. Gauging the rainfall, constant, short duration or h Drainage eavy shower of the storm drain System 2. The varying roof area and its slope including the di stance of water travel before it reaches the conductors or downsp outs of the roof 3. Water drain is faster on higher pitched roofs henc e, requires a larger drainage pipe than that of a flat roof 4. The height of the building contributes to the high velocity of water in the vertical conductor and accelerate the flow of water entering the storm drain. 5. Short offsets and indiscriminate use of fittings affe ct the flow of water  Building Utilities 1 I. Definition Factors Affecting Storm Drain Sizing II. Pipe Materials for Storm Drainage III. Factors Affecting Storm Drain Sizing IV. Parts of a Storm Drainage System  Building Utilities 1 I. Definition Parts of the Storm Drainage System II. Pipe Materials for Storm Drainage Roof Drain III. Factors A drain installed to receive water collecting on the surface of a roof and to discharge it into a Affecting Storm leader, downspout or conductor. Drain Sizing IV. Parts of a Storm Drainage System  Building Utilities 1 I. Definition Rule of thumb in Drain Sizing II. Pipe Materials for Storm Drainage III. Factors Affecting Storm Floor Drain Roof Drain Deck Drain Drain Sizing IV. Parts of a Storm Drainage System Strainer size is equal to Strainer size is 1 ½ times Strainer size is 2 times the outlet pipe size bigger than the outlet bigger than the outlet pipe size pipe size  Building Utilities 1 I. Definition Parts of the Storm Drainage System II. Pipe Materials for Storm Drainage III. Factors Affecting Storm Drain Sizing IV. Parts of a Storm Drainage System  Building Utilities 1 I. Definition Parts of the Storm Drainage System II. Pipe Materials for Storm Drainage Roof Gutter III. Factors A rain gutter, also known simply as Affecting Storm a gutter or guttering, is part of Drain Sizing IV. Parts of a Storm a building’s water discharge system. Drainage It is a trough or channel that runs around System the perimeter of a roof, and collects rainwater runoff from the roof, discharging it, usually to rainwater downpipes which convey it to a drainage system. This protects the exterior surfaces of the building and its foundations from damp and potentially suffering damage.  Building Utilities 1 I. Definition Parts of the Storm Drainage System II. Pipe Materials for Storm Drainage Downspout III. Factors The vertical portion / pipe of a rainwater Affecting Storm conductor Drain Sizing IV. Parts of a Storm Drainage System  Building Utilities 1 I. Definition Parts of the Storm Drainage System II. Pipe Materials for Storm Drainage Catch Basin III. Factors A receptacle in which liquids are retained for Affecting Storm a sufficient period of time to allow settleable Drain Sizing material to deposit IV. Parts of a Storm Drainage System  Building Utilities 1 I. Definition Parts of the Storm Drainage System II. Pipe Materials for Storm Drainage Area Drain III. Factors A receptacle designed to collect surface or Affecting Storm storm water from an open area Drain Sizing IV. Parts of a Storm Drainage System  Building Utilities 1 I. Definition Parts of the Storm Drainage System II. Pipe Materials for Storm Drainage Splash Pan / Splash Block III. Factors A rectangular piece of plastic or concrete Affecting Storm placed at the base of the downspout to catch Drain Sizing the water and divert it away from the IV. Parts of a Storm building. Drainage System It is used to prevent soil erosion and moisture damage to the foundations of the building. Also called splash block