WASTE WATER
INTRODUCTION
COMPONENTS
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSAL
WASTE WATER
INTRODUCTION
COMPONENTSVENTS
FRESH-AIR INLET
FIXTURE BRANCHES
STACKS
BUILDING DRAIN
BUILDING TRAP
PIPES
ACCESSORIES
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSAL
FUNCTIONS:RELIEVE THE POTENTIAL VACUUM THAT MIGHT SUCK ALL WATER OUT OF THE TRAP.
RELIEVES GAS PRESSURE WHICH COULD BLOW WATER OUT OF THE TRAP.
CARRYING AWAY OFFENSIVE GASES.
FRESH-AIR REDUCES CORROSION & GROWTH OF SLIME.
AIDS THE FLOW OF LARGE VOLUMES OF LIQUID THROUGH THE DRAIN PIPES BY RELIEVING AIR PRESSURE.
WASTE WATER
INTRODUCTION
COMPONENTSVENTS
FRESH-AIR INLET
FIXTURE BRANCHES
STACKS
BUILDING DRAIN
BUILDING TRAP
PIPES
ACCESSORIES
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSAL
VENT STACKS:
A VERTICAL PIPE INSTALLED TO PROVIDE CIRCULATION OF AIR TO AND FROM THE DRAINAGE SYSTEM WHICH EXTENDS THROUGH ONE OR MORE STORIES.
USUALLY FOUR INCHES IN DIAMETER.
VENT STACK
WASTE WATER
INTRODUCTION
COMPONENTSVENTS
FRESH-AIR INLET
FIXTURE BRANCHES
STACKS
BUILDING DRAIN
BUILDING TRAP
PIPES
ACCESSORIES
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSAL
BRANCH VENT:
A VENT CONNECTING ONE OR MORE INDIVIDUAL VENTS WITH A VENT STACK.
BRANCH VENT
WASTE WATER
INTRODUCTION
COMPONENTSVENTS
FRESH-AIR INLET
FIXTURE BRANCHES
STACKS
BUILDING DRAIN
BUILDING TRAP
PIPES
ACCESSORIES
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSAL
STACK VENT: SECTION OF THE SOIL OR WASTE STACK ABOVE THE LAST FIXTURE.
WASTE WATER
INTRODUCTION
COMPONENTSVENTS
FRESH-AIR INLET
FIXTURE BRANCHES
STACKS
BUILDING DRAIN
BUILDING TRAP
PIPES
ACCESSORIES
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSAL
FRESH-AIR INLET:
DESCRIPTION:
SHORT VENT PIPE CONNECTED TO THE MAIN BUILDING DRAIN JUST BEFORE IT LEAVES THE BUILDING.
FUNCTIONS:
PROVIDES VENTILATION AIR.
OVERFLOW RELEASE.
WASTE WATER
INTRODUCTION
COMPONENTSVENTS
FRESH-AIR INLET
FIXTURE BRANCHES
STACKS
BUILDING DRAIN
BUILDING TRAP
PIPES
ACCESSORIES
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSAL
FIXTURE BRANCHES:
TYPES:
SOIL LINES: CARRYING WATER FROM TOILET & URINALS.
WASTE LINES: CARRYING OTHER WATER FROM FIXTURE.
SLOPE:
USUAL MINIMUM SLOPE IS ¼” PER FOOT.
FOR PIPES LARGER THAN 3” THE MINIMUM SLOPE IS 1/8” PER FOOT.
WASTE WATER
INTRODUCTION
COMPONENTSVENTS
FRESH-AIR INLET
FIXTURE BRANCHES
STACKS
BUILDING DRAIN
BUILDING TRAP
PIPES
ACCESSORIES
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSAL
STACK TYPES:
SOIL STACK:
LARGE VERTICAL PIPE INTO WHICH SOIL & WASTE LINES EMPTY.
WASTE STACK:
VERTICAL PIPE INTO WHICH WASTE LINES ONLY EMPTY.
WASTE WATER
INTRODUCTION
COMPONENTSVENTS
FRESH-AIR INLET
FIXTURE BRANCHES
STACKS
BUILDING DRAIN
BUILDING TRAP
PIPES
ACCESSORIES
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSAL
CONNECTIONS TO FIXTURE BRANCHES & BUILDING DRAINS:
CHANGES IN DIRECTION MUST BE MADE WITH EASY BENDS RATHER THAN RIGHT ANGLE FITTINGS.
WASTE WATER
INTRODUCTION
COMPONENTSVENTS
FRESH-AIR INLET
FIXTURE BRANCHES
STACKS
BUILDING DRAIN
BUILDING TRAP
PIPES
ACCESSORIES
INTERIOR SPACE PLANNING
PIPE CHASES:
AVOID EXTERIOR WALL LOCATIONS IN COLD CLIMATES.
WASTE WATER
INTRODUCTION
COMPONENTSVENTS
FRESH-AIR INLET
FIXTURE BRANCHES
STACKS
BUILDING DRAIN
BUILDING TRAP
PIPES
ACCESSORIES
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSAL
PIPE CHASES: SMALL SCALE (RESIDENTIAL APPLICATIONS) REQUIRE A 6” WALL CAVITY.
WASTE WATER
INTRODUCTION
COMPONENTSVENTS
FRESH-AIR INLET
FIXTURE BRANCHES
STACKS
BUILDING DRAIN
BUILDING TRAP
PIPES
ACCESSORIES
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSAL
PIPE CHASES
PIPE CHASES:
FOR LARGER TOILET ROOMS 16” MINIMUM CHASE DIMENSION IS REQUIRED FOR APPLICATIONS WITH FIXTURES ON BOTH SIDES OF THE CHASE.
IF FIXTURES ARE ON ONLY ONE SIDE, 12” MINIMUM IS REQUIRED.
WASTE WATER
INTRODUCTION
COMPONENTSVENTS
FRESH-AIR INLET
FIXTURE BRANCHES
STACKS
BUILDING DRAIN
BUILDING TRAP
PIPES
ACCESSORIES
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSAL
BUILDING DRAIN:
THE SECTION OF THE HORIZONTAL DRAIN PIPE CONNECTING THE DRAINAGE PIPES INSIDE THE BUILDING WITH BUILDING SEWER OUTSIDE.
ALSO CALL THE HOUSE DRAIN.
WASTE WATER
INTRODUCTION
COMPONENTSVENTS
FRESH-AIR INLET
FIXTURE BRANCHES
STACKS
BUILDING DRAIN
BUILDING TRAP
PIPES
ACCESSORIES
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSAL
BUILDING TRAP:A TRAP IN THE BUILDING DRAIN TO PREVENT AIR CIRCULATION BETWEEN THE BUILDING DRAINAGE SYSTEM AND THE BUILDING SEWER.
SOME CODES TO NOT REQUIRE A BUILDING TRAP- IT IS FELT THAT THIS TRAP WILL IMPEDE THE FLOW OF WASTES.
WHEN A BUILDING TRAP IS REQUIRED A FRESH AIR INLET MAY BE REQUIRED TO PREVENT SIPHONING.
WASTE WATER
INTRODUCTION
COMPONENTSVENTS
FRESH-AIR INLET
FIXTURE BRANCHES
STACKS
BUILDING DRAIN
BUILDING TRAP
PIPES
ACCESSORIES
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSAL
BUILDING TRAP
WASTE WATER
INTRODUCTION
COMPONENTSVENTS
FRESH-AIR INLET
FIXTURE BRANCHES
STACKS
BUILDING DRAIN
BUILDING TRAP
PIPES
ACCESSORIES
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSAL
PLASTIC DRAIN PIPING:
LESS EXPENSIVE THAN OTHER TYPES OF DRAINAGE PIPING.
LESS LABOR INTENSIVE.
PVC & ABS ARE SUITABLE FOR DWV (DRAINAGE, WASTE & VENTING) SYSTEMS.
PLASTIC DRAIN PIPING
WASTE WATER
INTRODUCTION
COMPONENTSVENTS
FRESH-AIR INLET
FIXTURE BRANCHES
STACKS
BUILDING DRAIN
BUILDING TRAP
PIPES
ACCESSORIES
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSAL
COPPER DRAIN PIPING
WASTE WATER
INTRODUCTION
COMPONENTSVENTS
FRESH-AIR INLET
FIXTURE BRANCHES
STACKS
BUILDING DRAIN
BUILDING TRAP
PIPES
ACCESSORIES
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSAL
CAST IRON DRAIN PIPING
WASTE WATER
INTRODUCTION
COMPONENTSVENTS
FRESH-AIR INLET
FIXTURE BRANCHES
STACKS
BUILDING DRAIN
BUILDING TRAP
PIPES
ACCESSORIES
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSAL
CAST IRON: REQUIRED FOR THE BUILDING SEWER.
WASTE WATER
INTRODUCTION
COMPONENTSVENTS
FRESH-AIR INLET
FIXTURE BRANCHES
STACKS
BUILDING DRAIN
BUILDING TRAP
PIPES
ACCESSORIES
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSAL
CAST IRON DRAIN PIPING
CONNECTION:
HUB & SPIGOT FITTING:
THE END OF ONE PIPE IS SLIPPED INTO AN ENLARGE HUB OF ANOTHER PIPE AND THE JOINT IS SEALED WITH A GASKET.
HUBLESS JOINT:
USES A GASKET HELD IN PLACE WITH A STAINLESS STEEL RETAINING CLAP.
WASTE WATER
INTRODUCTION
COMPONENTSVENTS
FRESH-AIR INLET
FIXTURE BRANCHES
STACKS
BUILDING DRAIN
BUILDING TRAP
PIPES
ACCESSORIES
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSAL
FLOOR DRAINS
FLOOR DRAINS:CARRY AWAY WATER FROM FLOOR WASHING & MECHANICAL EQUIPMENT.
REQUIRED AT PRESSURE RELEASE VALVES.
REQUIRED WHERE AUTOMATIC SPRINKLERS ARE USED.
MANY BUILDING DEPARTMENTS & PLUMBING CODES PROHIBIT THE CONNECTION OF FLOOR DRAINS TO THE SEWAGE DRAINAGE SYSTEM.
WASTE WATER
INTRODUCTION
COMPONENTSVENTS
FRESH-AIR INLET
FIXTURE BRANCHES
STACKS
BUILDING DRAIN
BUILDING TRAP
PIPES
ACCESSORIES
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSAL
CLEANOUTS
CLEANOUTS:Y-SHAPED SECTION OF PIPE WITH A PLUG AT ONE END TO ALLOW THE CLEANING OF PLUGGED LINES.
ACCESS IS REQUIRED.
WORK CLEARANCE SHOULD BE PROVIDED.
WASTE WATER
INTRODUCTION
COMPONENTSVENTS
FRESH-AIR INLET
FIXTURE BRANCHES
STACKS
BUILDING DRAIN
BUILDING TRAP
PIPES
ACCESSORIES
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSAL
CLEANOUTS
LOCATION:AT THE BEGINNING OF EACH BRANCH.
NO MORE THAN 50 FEET APART IN BRANCH LINES & BUILDING DRAINS UP TO 4 INCHES IN DIAMETER.
NO MORE THAN 100 FEET IF LARGER THAN 4 INCHES.
AT CORNERS.
AT THE BASE OF A STACK.
WASTE WATER
INTRODUCTION
COMPONENTSVENTS
FRESH-AIR INLET
FIXTURE BRANCHES
STACKS
BUILDING DRAIN
BUILDING TRAP
PIPES
ACCESSORIES
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSAL
CLEANOUTS
INTERCEPTORS:USED IN PLACE OF A TRAP WHERE DISCHARGE WASTE CONTAINS MATERIALS THAT CAN CLOG DRAINAGE LINES OR CAUSE PROBLEMS IN SEWAGE TREATMENT.
REQUIRED WHEN GREASE, EXCESSIVE HAIR OR INDUSTRIAL WASTES ARE PRESENT.
WASTE WATER
INTRODUCTION
COMPONENTSVENTS
FRESH-AIR INLET
FIXTURE BRANCHES
STACKS
BUILDING DRAIN
BUILDING TRAP
PIPES
ACCESSORIES
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSAL
SEWAGE EJECTORS
SEWAGE EJECTORS:
USED WHEN THE ELEVATION OF THE SEWER CONNECTION IS HIGHER THAN THE LOWEST FIXTURE.
ONLY USED AS A LAST RESORT.
POWER OUTAGES OR EQUIPMENT FAILURES CAN RENDER DRAINS INOPERATIVE.
WASTE WATER
INTRODUCTION
COMPONENTS
INTERIOR SPACE PLANNINGON THE SAME WALL
BACK-TO-BACK
ALIGN CHASES
WET COLUMNS
ADA REQUIREMENT
MUNICIPAL SEWERS
PRIVATE DISPOSAL
FIXTURES SHOULD BE PLACED ON THE SAME WALL
WASTE WATER
INTRODUCTION
COMPONENTS
INTERIOR SPACE PLANNINGON THE SAME WALL
BACK-TO-BACK
ALIGN CHASES
WET COLUMNS
ADA REQUIREMENT
MUNICIPAL SEWERS
PRIVATE DISPOSAL
FIXTURES SHOULD BE PLACED IN BACK-TO-BACK ARRANGEMENT
WASTE WATER
INTRODUCTION
COMPONENTS
INTERIOR SPACE PLANNINGON THE SAME WALL
BACK-TO-BACK
ALIGN CHASES
WET COLUMNS
ADA REQUIREMENT
MUNICIPAL SEWERS
PRIVATE DISPOSAL
ALIGN CHASES
PLUMBING CHASES SHOULD BE ALIGNED FROM FLOOR TO FLOOR TO MINIMIZE PIPING.
WASTE WATER
INTRODUCTION
COMPONENTS
INTERIOR SPACE PLANNINGON THE SAME WALL
BACK-TO-BACK
ALIGN CHASES
WET COLUMNS
ADA REQUIREMENT
MUNICIPAL SEWERS
PRIVATE DISPOSAL
WET COLUMNS
WASTE WATER
INTRODUCTION
COMPONENTS
INTERIOR SPACE PLANNINGON THE SAME WALL
BACK-TO-BACK
ALIGN CHASES
WET COLUMNS
ADA REQUIREMENT
MUNICIPAL SEWERS
PRIVATE DISPOSAL
ADA REQUIREMENTS
WASTE WATER
INTRODUCTION
COMPONENTS
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSAL
MUNICIPAL SEWERS
WASTE WATER
INTRODUCTION
COMPONENTS
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSALCESSPOOLS
SEPTIC TANKS
LEACHING FIELDS
PERCOLATION TESTS
SEEPAGE PITS
A CAVITY SUNK INTO THE EARTH TO RECEIVE & RETAIN THE DRAINAGE & SEWAGE FROM SINKS, TOILETS, ETC.
NO LONGER ALLOWED BY MOST MUNICIPALITIES & PLUMBING CODES.
CESSPOOLS
WASTE WATER
INTRODUCTION
COMPONENTS
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSALCESSPOOLS
SEPTIC TANKS
LEACHING FIELDS
PERCOLATION TESTS
SEEPAGE PITS
DESCRIPTION:
BUILDING DRAIN CONNECTS TO THE SEPTIC TANK WHICH IS BURIED IN THE GROUND.
WASTE & SOIL FLOW BY GRAVITY INTO THE TANK.
TANK IS WATER TIGHT & CONSTRUCTED OF CONCRETE OR CONCRETE BLOCK.
SEPTIC TANK & LEACHING FIELD
WASTE WATER
INTRODUCTION
COMPONENTS
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSALCESSPOOLS
SEPTIC TANKS
LEACHING FIELDS
PERCOLATION TESTS
SEEPAGE PITS
SEPTIC TANK:
INFLOW IS OPPOSITE & SLIGHTLY HIGHER THAN OUT FLOW (BOTH ARE NEAR THE TOP).
BAFFLES PREVENT SEWAGE FROM PASSING DIRECTLY TO THE OUTFLOW (HELD FOR 16 HOURS).
ANAEROBIC BACTERIA DISSOLVE MOST OF THE SOLID MATERIAL, THE REMAINING SOLID WASTE SINKS TO THE BOTTOM.
SEPTIC TANK
WASTE WATER
INTRODUCTION
COMPONENTS
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSALCESSPOOLS
SEPTIC TANKS
LEACHING FIELDS
PERCOLATION TESTS
SEEPAGE PITS
LEACHING FIELDS:
THE LIQUID EFFLUENT IS LED BY CLOSED PIPING TO A LEACHING FIELD (ALSO CALL A DRAINAGE FIELD).
THE LEACHING FIELD IS MADE UP OF SHORT, SEPARATED LENGTHS OF PERFORATED PIPE EMBEDDED IN A TRENCH OF LOOSE, COARSE GRAVEL CLOSE TO THE GROUND SURFACE.
LEACHING FIELD
WASTE WATER
INTRODUCTION
COMPONENTS
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSALCESSPOOLS
SEPTIC TANKS
LEACHING FIELDS
PERCOLATION TESTS
SEEPAGE PITS
•THE LIQUID EFFLUENT IS DECOMPOSED BY AEROBIC BACTERIA & RENDERED HARMLESS.
LEACHING FIELD
WASTE WATER
INTRODUCTION
COMPONENTS
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSALCESSPOOLS
SEPTIC TANKS
LEACHING FIELDS
PERCOLATION TESTS
SEEPAGE PITS
LOCATION:
LOCATED BELOW THE BUILDING WITH A ¼ INCH PER FOOT SLOPE.
CLEAR, GRASSY SURFACE – TREE ROOTS CLOG THE FIELD.
MUST BE LOCATED AT LEAST 100’ FROM A WELL & 10’ FROM THE BUILDING.
SOIL MUST BE REASONABLY PERMEABLE.
CLAY SOIL REQUIRES THAT THE FIELD BE LAID OVER A SAND FILTER BED.
LEACHING FIELD
WASTE WATER
INTRODUCTION
COMPONENTS
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSALCESSPOOLS
SEPTIC TANKS
LEACHING FIELDS
PERCOLATION TESTS
SEEPAGE PITS
PERCOLATION TESTS:
THE SIZE & LENGTH OF THE FIELD IS BASED ON THE ABILITY OF THE SOIL TO ABSORB THE EFFLUENT, WHICH IS DETERMINED BY A PERCOLATION TEST.
MEASURES THE AMOUNT OF TIME IT TAKES WATER IN A TEST HOLE TO DROP 1 INCH.
PERCOLATION TEST
WASTE WATER
INTRODUCTION
COMPONENTS
INTERIOR SPACE PLANNING
MUNICIPAL SEWERS
PRIVATE DISPOSALCESSPOOLS
SEPTIC TANKS
LEACHING FIELDS
PERCOLATION TESTS
SEEPAGE PITS
USED IN LIEU OF LEACHING FIELDS WHERE THE SOIL IS VERY POROUS.
PIT MUST BE AT LEAST TWO FEET ABOVE THE WATER TABLE.
SEEPAGE PITS
STORM DRAINAGE
INTRODUCTIONDESCRIPTION
PURPOSE
AREAS TO BE DRAINED
ROOF DRAINAGE
SITE DRAINAGE
STORM WATER DISPOSAL
DESCRIPTION: REMOVAL OF RAINWATER FROM BUILDINGS & SURROUNDINGS.
STORM DRAINAGE
INTRODUCTIONDESCRIPTION
PURPOSE
AREAS TO BE DRAINED
ROOF DRAINAGE
SITE DRAINAGE
STORM WATER DISPOSAL
AS PRECIPITATION COLLECTS ON ROOFTOPS, IT MUST BE DIVERTED SO THAT IT WILL NOT:
RUN DOWN THE WALLS & CAUSE LEAKS AT WINDOWS OR OTHER PENETRATIONS IN THE WALL MEMBRANE.
DRIP ON PEOPLE AT ENTRANCES.
CAUSE THE BUILDING TO SETTLE BY WASHING SOIL AWAY FROM FOUNDATIONS.
SUBJECT BASEMENT WALLS TO HYDRO-STATIC PRESSURE.
JOHN RUSSELL POPE, STUART DUNCAN RESIDENCE, NEWPORT, RHODE ISLAND, 1912
STORM DRAINAGE
INTRODUCTIONDESCRIPTION
PURPOSE
AREAS TO BE DRAINED
ROOF DRAINAGE
SITE DRAINAGE
STORM WATER DISPOSAL
AREAS TO BE DRAINED:
ROOFS
PAVEMENT
BALCONIES
TERRACES
LE CORBUSIER, CHAPEL OF NOTRE DAME DU HAUT, RONCHAMP, FR, 1956
STORM DRAINAGE
INTRODUCTIONDESCRIPTION
PURPOSE
AREAS TO BE DRAINED
ROOF DRAINAGE
SITE DRAINAGE
STORM WATER DISPOSAL
AREAS TO BE DRAINED: PAVEMENT
STORM DRAINAGE
INTRODUCTIONDESCRIPTION
PURPOSE
AREAS TO BE DRAINED
ROOF DRAINAGE
SITE DRAINAGE
STORM WATER DISPOSAL
AREAS TO BE DRAINED: BALCONIES
STORM DRAINAGE
INTRODUCTIONDESCRIPTION
PURPOSE
AREAS TO BE DRAINED
ROOF DRAINAGE
SITE DRAINAGE
STORM WATER DISPOSAL
AREAS TO BE DRAINED: TERRACES
FRANK LLOYD WRIGHT, MEYER MAY HOUSE, GRAND RAPIDS, MI, 1909
STORM DRAINAGE
INTRODUCTION
ROOF DRAINAGEPITCHED ROOFS
FLAT ROOFS
SITE DRAINAGE
STORM WATER DISPOSAL
GUTTERS:WATER FLOWS DOWN TO GUTTERS ALONG THE LOWER EDGES OF THE ROOF.
DOWNSPOUTS:CHANNELS THE WATER EITHER TO THE GROUND FOR SURFACE RUN-OFF OR INTO AN UNDERGROUND STORM SEWER.
STORM DRAINAGE
INTRODUCTION
ROOF DRAINAGEPITCHED ROOFS
FLAT ROOFS
SITE DRAINAGE
STORM WATER DISPOSAL
GUTTER SYSTEMS:
EXPOSED GUTTERS.
INTEGRAL GUTTERS.
GUTTER LESS ROOFS.
EXPOSED GUTTER SYSTEM
STORM DRAINAGE
INTRODUCTION
ROOF DRAINAGEPITCHED ROOFS
FLAT ROOFS
SITE DRAINAGE
STORM WATER DISPOSAL
GUTTER SYSTEMS:
EXPOSED GUTTERS.
INTEGRAL GUTTERS.
GUTTER LESS ROOFS.
INTEGRAL GUTTER SYSTEM
STORM DRAINAGE
INTRODUCTION
ROOF DRAINAGEPITCHED ROOFS
FLAT ROOFS
SITE DRAINAGE
STORM WATER DISPOSAL
GUTTER SYSTEMS:
EXPOSED GUTTERS.
INTEGRAL GUTTERS.
GUTTER LESS ROOFS.
GUTTER LESS SYSTEM
STORM DRAINAGE
INTRODUCTION
ROOF DRAINAGEPITCHED ROOFS
FLAT ROOFS
SITE DRAINAGE
STORM WATER DISPOSAL
GUTTER LESS SYSTEM
STORM DRAINAGE
INTRODUCTION
ROOF DRAINAGEPITCHED ROOFS
FLAT ROOFS
SITE DRAINAGE
STORM WATER DISPOSAL
SIZING GUTTERS & DOWNSPOUTS
SIZING GUTTERS & DOWNSPOUTS:
AREA TO BE DRAINED.
MAX RECORDED RATE OF RAINFALL.
GUTTER SLOPE
STORM DRAINAGE
INTRODUCTION
ROOF DRAINAGEPITCHED ROOFS
FLAT ROOFS
SITE DRAINAGE
STORM WATER DISPOSAL
SIZING GUTTERS & DOWNSPOUTS: MAX RECORDED RATE OF RAINFALL IN A ONE HOUR PERIOD.
STORM DRAINAGE
INTRODUCTION
ROOF DRAINAGEPITCHED ROOFS
FLAT ROOFS
SITE DRAINAGE
STORM WATER DISPOSAL
SIZING GUTTERS & DOWNSPOUTS: MAX RECORDED RATE OF RAINFALL IN A ONE HOUR PERIOD.
STORM DRAINAGE
INTRODUCTION
ROOF DRAINAGEPITCHED ROOFS
FLAT ROOFS
SITE DRAINAGE
STORM WATER DISPOSAL
SIZING DOWNSPOUTS
STORM DRAINAGE
INTRODUCTION
ROOF DRAINAGEPITCHED ROOFS
FLAT ROOFS
SITE DRAINAGE
STORM WATER DISPOSAL
SIZING GUTTERS
SIZING GUTTERS:
FOR GUTTERS & HORIZONTAL PIPING, THE SLOPE OF THE PIPE IS ALSO A FACTOR.
LOWER SLOPES REQUIRE GREATER SIZE.
GUTTER SLOPES RANGE FROM 1/16 INCH PER FOOT TO ½ INCH PER FOOT.
STORM DRAINAGE
INTRODUCTION
ROOF DRAINAGEPITCHED ROOFS
FLAT ROOFS
SITE DRAINAGE
STORM WATER DISPOSAL
COMPONENTS: ROOF DRAINS
STORM DRAINAGE
INTRODUCTION
ROOF DRAINAGEPITCHED ROOFS
FLAT ROOFS
SITE DRAINAGE
STORM WATER DISPOSAL
COMPONENTS: LEADERS CONCEALED WITHIN THE INTERIOR PARTITIONS
STORM DRAINAGE
INTRODUCTION
ROOF DRAINAGEPITCHED ROOFS
FLAT ROOFS
SITE DRAINAGE
STORM WATER DISPOSAL
KOHN PEDERSEN FOX, IBM QUEBEC HEADQUARTERS
COMPONENTS:
OVERFLOW SCUPPERS
STORM DRAINAGE
INTRODUCTION
ROOF DRAINAGEPITCHED ROOFS
FLAT ROOFS
SITE DRAINAGE
STORM WATER DISPOSAL
MULDER KATKOV, OAKWOOD HOUSE, VENICE, CA, 1991
COMPONENTS:
ROOF DRAIN
STORM DRAINAGE
INTRODUCTION
ROOF DRAINAGE
SITE DRAINAGESWALES
CATCH BASINS
MANHOLES
STORM WATER DISPOSAL
SWALES: SHALLOW V-SHAPED SLOPING CHANNELS WHICH TRANSPORT SURFACE RUNOFF TO COLLECTION OR DISPOSAL POINTS.
STORM DRAINAGE
INTRODUCTION
ROOF DRAINAGE
SITE DRAINAGESWALES
CATCH BASINS
MANHOLES
STORM WATER DISPOSAL
CATCH BASIN
CATCH BASINS:A CATCH BASIN IS A GRATE INLET TO THE STORM SEWER WHICH HAS A SUMP BUILT INTO IT SO THAT DEBRIS WILL SETTLE INSTEAD OF FLOWING DOWN THE SEWER.
THE SUMP CAN BE CLEANED OUT PERIODICALLY.
STORM DRAINAGE
INTRODUCTION
ROOF DRAINAGE
SITE DRAINAGESWALES
CATCH BASINS
MANHOLES
STORM WATER DISPOSAL
MANHOLES
MANHOLES:LARGE STORM SEWER SYSTEMS REQUIRE MANHOLES FOR SERVICE ACCESS, LOCATED WHEREVER THE SEWER CHANGES DIRECTION, OR A MAXIMUM OF 500 FEET APART.
STORM DRAINAGE
INTRODUCTION
ROOF DRAINAGE
SITE DRAINAGE
STORM WATER DISPOSALMUNICIPAL STORM SEWERS
SURFACE WATER
THE GROUND
CISTERNS
MUNICIPAL STORM SEWER
STORM DRAINAGE
INTRODUCTION
ROOF DRAINAGE
SITE DRAINAGE
STORM WATER DISPOSALMUNICIPAL STORM SEWERS
SURFACE WATER
THE GROUND
CISTERNS
DISPOSE TO SURFACE WATER
WATER CAN BE DRAINED TO A STREAM, RIVER, AND LAKE.
STORM DRAINAGE
INTRODUCTION
ROOF DRAINAGE
SITE DRAINAGE
STORM WATER DISPOSALMUNICIPAL STORM SEWERS
SURFACE WATER
THE GROUND
CISTERNS
DISPOSE TO GROUND
SURFACE RUNOFF & SPLASH BLOCKS:
SUITABLE FOR LOW RATES OF FLOW INTRODUCED INTO VERY PERVIOUS SOIL.
SANDY SOIL.
STORM DRAINAGE
INTRODUCTION
ROOF DRAINAGE
SITE DRAINAGE
STORM WATER DISPOSALMUNICIPAL STORM SEWERS
SURFACE WATER
THE GROUND
CISTERNS
DISPOSE TO GROUND
DRYWELLS:USED TO GET THE WATER INTO THE GROUND AND THUS AVOID SURFACE EROSION.
STORM DRAINAGE
INTRODUCTION
ROOF DRAINAGE
SITE DRAINAGE
STORM WATER DISPOSALMUNICIPAL STORM SEWERS
SURFACE WATER
THE GROUND
CISTERNS
FOOTING DRAINS
FOOTING DRAINS:NECESSARY IF A BUILDING IS SURROUNDED BY PERMEABLE GROUND AT A HIGHER LEVEL OR IF THE BASEMENT IS WITHIN THE WATER TABLE.
STORM DRAINAGE
INTRODUCTION
ROOF DRAINAGE
SITE DRAINAGE
STORM WATER DISPOSALMUNICIPAL STORM SEWERS
SURFACE WATER
THE GROUND
CISTERNS
RECHARGE BASINS
RECHARGE BASINS:
STORM WATER IS PIPED TO AN OPEN, UNPAVED PIT, WHERE IT GRADUALLY SINKS INTO THE EARTH.
FOR SAFETY, A FENCE IS REQUIRED AROUND THE BASIN TO DETER UNAUTHORIZED ACCESS.
A RECHARGE BASIN CANNOT BE USED IN AREAS OF DENSE, IMPERVIOUS CLAY SOIL.
STORM DRAINAGE
INTRODUCTION
ROOF DRAINAGE
SITE DRAINAGE
STORM WATER DISPOSALMUNICIPAL STORM SEWERS
SURFACE WATER
THE GROUND
CISTERNS
CISTERNS
STORM DRAINAGE
INTRODUCTION
ROOF DRAINAGE
SITE DRAINAGE
STORM WATER DISPOSALMUNICIPAL STORM SEWERS
SURFACE WATER
THE GROUND
CISTERNS
CISTERNS
CISTERNS:IN ARID REGIONS, WHERE WATER IS SCARCE, IT MAY BE WORTHWHILE TO COLLECT RAINWATER FOR GENERAL BUILDING USE.
THE STORM WATER COLLECTED FROM ROOF SURFACES MAY BE FILTERED AND RETAINED IN A CISTERN FOR LATER USE.