WASTE WATER

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


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


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


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


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


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


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


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


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


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


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


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


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


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


MUNICIPAL SEWERS

PRIVATE DISPOSAL

BUILDING TRAP

WASTE WATER

INTRODUCTION

COMPONENTSVENTS

FRESH-AIR INLET

FIXTURE BRANCHES

STACKS

BUILDING DRAIN

BUILDING TRAP

PIPES

ACCESSORIES


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


MUNICIPAL SEWERS

PRIVATE DISPOSAL

COPPER DRAIN PIPING

WASTE WATER

INTRODUCTION

COMPONENTSVENTS

FRESH-AIR INLET

FIXTURE BRANCHES

STACKS

BUILDING DRAIN

BUILDING TRAP

PIPES

ACCESSORIES


MUNICIPAL SEWERS

PRIVATE DISPOSAL

CAST IRON DRAIN PIPING

WASTE WATER

INTRODUCTION

COMPONENTSVENTS

FRESH-AIR INLET

FIXTURE BRANCHES

STACKS

BUILDING DRAIN

BUILDING TRAP

PIPES

ACCESSORIES


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


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


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


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


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


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


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


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


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


BACK-TO-BACK

ALIGN CHASES

WET COLUMNS

ADA REQUIREMENT

MUNICIPAL SEWERS

PRIVATE DISPOSAL

WET COLUMNS

WASTE WATER

INTRODUCTION

COMPONENTS


BACK-TO-BACK

ALIGN CHASES

WET COLUMNS

ADA REQUIREMENT

MUNICIPAL SEWERS

PRIVATE DISPOSAL

ADA REQUIREMENTS

WASTE WATER

INTRODUCTION

COMPONENTS


MUNICIPAL SEWERS

PRIVATE DISPOSAL

MUNICIPAL SEWERS

WASTE WATER

INTRODUCTION

COMPONENTS


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


MUNICIPAL SEWERS


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


MUNICIPAL SEWERS


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


MUNICIPAL SEWERS


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


MUNICIPAL SEWERS


SEPTIC TANKS

LEACHING FIELDS

PERCOLATION TESTS

SEEPAGE PITS

•THE LIQUID EFFLUENT IS DECOMPOSED BY AEROBIC BACTERIA & RENDERED HARMLESS.

LEACHING FIELD

WASTE WATER

INTRODUCTION

COMPONENTS


MUNICIPAL SEWERS


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


MUNICIPAL SEWERS


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


MUNICIPAL SEWERS


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


PURPOSE

AREAS TO BE DRAINED

ROOF DRAINAGE

SITE DRAINAGE


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


PURPOSE

AREAS TO BE DRAINED

ROOF DRAINAGE

SITE DRAINAGE


AREAS TO BE DRAINED:

ROOFS

PAVEMENT

BALCONIES

TERRACES

LE CORBUSIER, CHAPEL OF NOTRE DAME DU HAUT, RONCHAMP, FR, 1956

STORM DRAINAGE


PURPOSE

AREAS TO BE DRAINED

ROOF DRAINAGE

SITE DRAINAGE


AREAS TO BE DRAINED: PAVEMENT

STORM DRAINAGE


PURPOSE

AREAS TO BE DRAINED

ROOF DRAINAGE

SITE DRAINAGE


AREAS TO BE DRAINED: BALCONIES

STORM DRAINAGE


PURPOSE

AREAS TO BE DRAINED

ROOF DRAINAGE

SITE DRAINAGE


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


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


FLAT ROOFS

SITE DRAINAGE


GUTTER SYSTEMS:

EXPOSED GUTTERS.

INTEGRAL GUTTERS.

GUTTER LESS ROOFS.

EXPOSED GUTTER SYSTEM

STORM DRAINAGE

INTRODUCTION


FLAT ROOFS

SITE DRAINAGE


GUTTER SYSTEMS:

EXPOSED GUTTERS.

INTEGRAL GUTTERS.

GUTTER LESS ROOFS.

INTEGRAL GUTTER SYSTEM

STORM DRAINAGE

INTRODUCTION


FLAT ROOFS

SITE DRAINAGE


GUTTER SYSTEMS:

EXPOSED GUTTERS.

INTEGRAL GUTTERS.

GUTTER LESS ROOFS.

GUTTER LESS SYSTEM

STORM DRAINAGE

INTRODUCTION


FLAT ROOFS

SITE DRAINAGE


GUTTER LESS SYSTEM

STORM DRAINAGE

INTRODUCTION


FLAT ROOFS

SITE DRAINAGE


SIZING GUTTERS & DOWNSPOUTS

SIZING GUTTERS & DOWNSPOUTS:

AREA TO BE DRAINED.

MAX RECORDED RATE OF RAINFALL.

GUTTER SLOPE

STORM DRAINAGE

INTRODUCTION


FLAT ROOFS

SITE DRAINAGE


SIZING GUTTERS & DOWNSPOUTS: MAX RECORDED RATE OF RAINFALL IN A ONE HOUR PERIOD.

STORM DRAINAGE

INTRODUCTION


FLAT ROOFS

SITE DRAINAGE


SIZING DOWNSPOUTS

STORM DRAINAGE

INTRODUCTION


FLAT ROOFS

SITE DRAINAGE


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


FLAT ROOFS

SITE DRAINAGE


COMPONENTS: ROOF DRAINS

STORM DRAINAGE

INTRODUCTION


FLAT ROOFS

SITE DRAINAGE


COMPONENTS: LEADERS CONCEALED WITHIN THE INTERIOR PARTITIONS

STORM DRAINAGE

INTRODUCTION


FLAT ROOFS

SITE DRAINAGE


KOHN PEDERSEN FOX, IBM QUEBEC HEADQUARTERS

COMPONENTS:

OVERFLOW SCUPPERS

STORM DRAINAGE

INTRODUCTION


FLAT ROOFS

SITE DRAINAGE


MULDER KATKOV, OAKWOOD HOUSE, VENICE, CA, 1991

COMPONENTS:

ROOF DRAIN

STORM DRAINAGE

INTRODUCTION

ROOF DRAINAGE

SITE DRAINAGESWALES

CATCH BASINS

MANHOLES


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


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


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


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


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


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


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


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


SURFACE WATER

THE GROUND

CISTERNS

CISTERNS

STORM DRAINAGE

INTRODUCTION

ROOF DRAINAGE

SITE DRAINAGE


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.

WASTE WATER

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Transcript of WASTE WATER