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KY Plumbing Code > Section 7-House Sewers and Storm Water > Flashcards

Section 7-House Sewers and Storm Water Flashcards

1
Q

DWV and plumbing system that is new shall be ________ and _____ of other buildings and the building shall have a(n) ____________ connection with the sewer

A

separate and independent
independent

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2
Q

A building sewer may serve addition buildings and still be considered as one sewer if the additional buildings are

A

used in conjunction with the primary, contained within the same deed as primary, restricted within the deed form being sold separately as primary building

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3
Q

An excavation for a sewer shall be _______ work and shall be _________ until

A

open trench work, kept open, it has been inspected, tested, and approved

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4
Q

The sewer shall be at a _______depth to ______

A

sufficient, properly serve a plumbing connection installed in the basement

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5
Q

A house sewer shall be laid on a grade of

A

not less than 1/8 in nore more than 1/4 per foot

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6
Q

A sewer shall have at least ______ of cover

A

18in

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7
Q

Sewer piping installed under property subject to vehicular traffice) shall have at least _______ of cover unless

A

24 in
sch 40 or 80 cast iron encased in a min 6in of concrete on each side and top and covered to prevent direct contact with concrete

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8
Q

Sewer shall be backfilled by hand and _________

A

tamped 6in above or filled with 6in grillage above.

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9
Q

If less than 18 in of cover is available what should be done

A

a request for a variance submitted to the division in writing

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10
Q

A house sewer or combined sewer shall be made of ….

A

extra heavy and service weight CI, vitrified clay, concrete, PVC or ABS, Cell core PVC or ABS, Truss pipe, extra heavy SDR 35, type PS 46, PVC sizes 4in-15in, PVC ribbed and coextruded composite, PE

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11
Q

A storm sewer inside a building extending 2ft outside in sizes 8in and smaller shall be made of

A

CI, aluminum, sch 40 ABS or PVC DWV pipe

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12
Q

A storm sewer size 10in or larger shall be made of

A

CI, aluminum, schedule 40 ABS or PVC DWV pipe, SDR 35, vitrified clay or contrete, PE

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13
Q

Roof drain shall have _______ extending not less than _____ above the surface of the roof immediately adjacent to the roof drain and shall be no less than ______ the area of the conductor or leader

A

strainers, 4 in
1.5 X

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14
Q

Roof drain strainer on _____________ may be of the flat surface type, installed ____ with the deck , with inlet area not less than _____ the area of conductor or leader

A

sun decks, parking decks or similar
level
2X

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15
Q

Secondary (emergency) roof drains shall be provided where and what is required for them

A

the roof perimeter construction allowing ponding if primary roof drains become blocked
requirements: piping and point of discharge separate from primary, discharge above grade plane in location normally observed by building occupants or maintenance personnel

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16
Q

Primary and secondary roof drains shall be sized according to

A

size of storm systems table

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17
Q

Change of direction of a sewer shall be made only with

A

long curves, 45 wyes, half wyes, quart, sixth, eighth, 16th bends or sanitary tees in on back or side but not more than 45 degrees

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18
Q

Minimum size of a house sewer

A

4in nor less than that of house drain

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19
Q

A storm sewer shall not be laid paralell to or within ___ft of a ______

A

2, bearing wall

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20
Q

A storm sewer shall be laid at sufficient depth to protect it from

A

freezing

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21
Q

Combined house drain or sewer shall not be less than _____

A

4in and not smaller than required for same FU’s or same roof area in seperate systems

22
Q

For building after Aug 1 1996, each plumbing fixture or opening connecting to combo sewer shall either be installed __________ or discharge _________

A

above elevation of the cover of nearest manhole serving the main
through a sewage ejector to the combo sewer system at an elevation high enough to prevent flooding of the building

23
Q

A house sewer laid in undisturbed ground shall be laid at on at least ______

A

4in pea gravel, sand, or other approved grillage

24
Q

A storm sewer laid in undistributed ground requires

A

no grillage

25
Q

Storm or house sewer laid in filled ground shall__________

A

be embedded to lower quadrant with at least 4in concrete pad below invert or other equivalent

26
Q

A support filled in ground shall be on a ______center to a solid footing, either undisturbed earth or rock

A

10ft

27
Q

A house sewer constructed of flexible thermoplastic shall be installed with at least

A

6in of gravel on all sides

28
Q

In a public building, where whole or part of building drain/DWV is below level of sewer main, waste shall be __________

A

lifted according to sump/receiving tank requirements or a vented ejector

29
Q

In a residential building with sewer level above basement floor, waste shall be lifted by means of and constructed how

A

an approved sump pump that is gas and air tight and constructed of poured or precast concrete, approved fiberglass or PE material

30
Q

A sump pit shall be provided with __ vent which can also ___

A

a 2in vent which can also be a waste and vent for laundry tray

31
Q

Sump pump discharge piping shall be _____ waste pipe extended ______

A

2in, inside the building to a least 12in above outside grade plan

32
Q

Sump pit shall be provided with _______

A

tight fitting concrete cover

33
Q

On the outside of the building, the waste piping [from sump pit] shall connect into a _______ and _____

A

4x2 sanitary tee connected to 4in trap and then into sanitary sewer
the tee at least 2in above finished grade plan and shall have ventilated cap

34
Q

A subsoil drain shall discharge into _____

A

an airtight sump or receiving tank located to receive sewage by gravity

35
Q

__________ or ________ shall lift sewage and discharge into house sewer

A

pump or ejector

36
Q

Sewage sumps shall be a min of ________ size and no less than ______ depth

A

24 in for both

37
Q

Sewage pump system that relies solely on a pump shall be equipped with

A

audible and visual alarm to be place in occupied space

38
Q

A sump shall discharge how

A

automatically

39
Q

A sewage ejector shall be vented with what size in residential? commercial or industrial? Exception

A

2in res
3in comm
Except in comm if 3 in vent stack serves a fixture that empties into ejector pit is less than 25ft away from pit a re vent with 2in back to 3in stack is acceptable

40
Q

The ejector vent shall not be smaller than

A

recommended by the manufacturer of the pump

41
Q

If a subsoil catch basin is installed below sewer level ______ shall be used and shall discharge into __________ or _________

A

automatic ejector
properly trapped fixture or into storm water drain

42
Q

A roof, paved area, court or courtyard shall be drained into

A

storm water, combo, or surface drainage area unless prohibited

43
Q

If a roof, paved area, court or courtyard drain is connected to combined sewer it shall be,

A

trapped (inside or below frost line) unless opening at top is more than 10ft from window, scuttle, air shaft

44
Q

Trap for roof, paved area, court(yard) drain shall be

A

set below frost line or inside the building

45
Q

Conductor or roof leader in the building or interior court or vent pipe shaft shall be contructed of

A

CI, Galv iron, Galv steel, copper, Schedule 40 ABS or PVC DWV, resin

46
Q

PVC or ABS for conductors or leaders shall be limited to buildings with conductor not exceeding _______ in height unless _________

A

45ft
certain ASTM stamps for piping, install is made per manufacturer’s recommendations (and can prove) and firestop systems inspected by approved inspection agency

47
Q

If outside sheet metal conductor or downspout is connected to house drain it must be with

A

a CI pipe extending vertically at least 1ft above grade plane

48
Q

A conductor pipe shall not be used as a ______ pipe

A

DWV or vice a versa

49
Q

Overflow pipe shall connect how with house sewer, drain or waste pipe

A

indirectly

50
Q

The ejector vent shall not be smaller than

A

recommended by the manufacturer of the pump

51
Q

A subsoil drain below sewer level shall discharge into ___________ and shall be ______________ into the _____________or ________________.

A

a sump or receiving tank
automatically lifted and discharged
storm drainage system or upon the ground outside the building it serves.

KY Plumbing Code (14 decks)

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