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() Below Ground Drainage System စစစစစစစစစစစစစစ (Condominium) စစစစစစ စစစစစစစစစစစစစစစစစစစစစစစစစစစစစစ Main Discharge Stack စစစစစစစစစ စစစစစစ စစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစ (Plubic Sewer) စစစစစစစစစစစစစစစစစ စစစစစစစစစစစစစစစစစစ စစစစစစစစစစစစစ စစစစစစစစစစစစစစစစစစစ (Elbow, 45˚Band) စစစစစစစစစ စစစစစစစစစစစစစ စစစ စစစစစစစစ စစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစ Public Sewer Line စ စစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစ စစစစစစစစ စစစစစစစစစစ စစစစစစစစစစစစစစစ စစစစစစစစစစစစစစစစစစစစစစစစစစစစ စစစစစစစစစစစစစစစစစစစစ Inspection Chamber စစစစစစစစစစစစစစစစစစ Public Sewer စစစစစစစစစစစစစစစစစစစစစစစစစစစစ စစစစစစစစစ စစစစစစစ စစစစစစစစစစစစစစစစ (.) Main Components Using in Below Ground Drainage System Below Ground Drainage System စစစ စစစစစစစစစစစစစစစစစစစစစစစစစစစစစ Inspection Chamber (IC)စ စစစစစစစစ စစစစစစစစစစစစစစစ Sewage Pump စစစ Ejector Pit (Tank) စစစစစစစစစစစစစစစစ (..) Inspection Chamber, Waster Sump, Drain Sump စစစစစစစစစစစစစစစ Inspection Chamber, Waster Sump, Drain Sump စစစစစစစ စစစစစစစစစ Inspection Chamber စစစစစစ စစစစစစစစစစစစစစစစစစစစစစစ စစစစစစစစစစစစစစ စစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစစ 24

Sanitary Plumbing and Drainage - Ubder Ground Draninage

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Page 1: Sanitary Plumbing and Drainage - Ubder Ground Draninage

(၈) Below Ground Drainage System

စေ�ပါင�ေ�နအမ (Condominium) ေ�တြ�မာ ေ�နအေမ�ပၚထပေ�တြ�ေ�နစြစန႔ထ�လ �တ ေ႔ေ�တြ�ဟာ Main Discharge Stack ေ�တြ���ဆင႔ အစ���ပဆငေ�ပထာ�႔ၿပငပအညေစ�ၾ�ေ��စြစန႔ထ�လ င� (Plubic Sewer) ဆ��စြစန႔ထ�ရန အတြ��ေ��ပ�ေ��စြ� �� ဆကသြ�( ယတ ႔အခါ ပ�ေ�တြ���ေ�တြ�႔ၿပ (Elbow, 45˚Band) ဆ�ၿခင�၊ ပ�တ စပ�န႔ �စပ� တြ.ာၿပဆ�ၿခင���႔�စြခင႔မၿပပါ။ Public Sewer Line �

ေ�ၿေမအာ�မာ��႔အတြ��ေ�ၾ�ာင႔လည� ပ�ေ�တြ��ေ�ၿမၿပင ေ�အာ�မာၿမပ၊ လာ�ာမ��႔ဖ�က လာ�ေ႔�ပ�ေ�ေတြ�ပါင�ဆဖ�႔အတြ�� Inspection Chamber ေ�တြ�ခၿပဆကသြ�( ယက ာ Public Sewer ဆ

.�ေ႔�စြစန႔ထ�ပ�ေ�တြ��� တြ.ယတ န�၊ �ပဆငငၿခင�ပၿဖစပါ�ယ။(၈.၁) Main Components Using in Below Ground Drainage System

Below Ground Drainage System မာ အဓ�အ.ၿပ�႔ပစၥည�ေ�တြ�ေ��ာ႔ Inspection Chamber (IC) ၊ ပ�န႔ ပ�ဆ �ပစၥည�၊ Sewage Pump န႔ Ejector Pit (Tank) ��႔ပၿဖစပါ�ယ။(၈.၁.၁) Inspection Chamber, Waster Sump, Drain Sump

မာေ�.ာအာၿဖင႔ Inspection Chamber, Waster Sump, Drain Sump စ�႔ပစၥည�ေ�တြ��Inspection Chamber လ�႔.ာ ၿခၿပေ�ခေၚလ႔�ပါ�ယ။ .�ေ႔ပမယ႔လည� အ.ၿပ�႔အခါလ�နာ

�မယ႔စည��မ�ေ�တြ���႔အတြ�� Inspection Chamber, Waster Sump, Drain Sump ေ�တြ�� �စ ခၿခင�စ�႕ လပေ�ဆာငပ�.�ဖ�႔လ�အပပါ�ယ။

Sanitary Pipe ေ�တြ�� Public Sewer ေ�တြ�ဆတြ.ယတ န��႔အခါ ပ�ေ�တြ�� 90˚, 45˚ စ.ညၿဖ ငေ႔တြ�႔ၿပဆကသြ�( ယဖ�႔�န စြခင႔မၿပပါ။ .�႔အတြ��ေ�ၾ�ာင႔ Inspection Chamber ေ�တြ��ၾ�ာခ

ဆကသြ�( ယ� .ၿပပါ�ယ။ Inspection Chamber ေ�တြ�ဟာ Underground Drainage Pipe ေ�တြ�ဆကသြ�( ယရန ၊ လာ�ာမ��႔ ပ�ေ�ေတြ�ပါင�ဆဆကသြ�( ယရန စ�ာေ�တြ� အၿပင �ပဆငငၿပစတြ.ာ�႔အခါမာလည� အခါ

အာေ�လာစြ�?ာ စစေ�ဆႏ�ငရန ၊ ပ�လ င�ေ�တြ�ထမာ ပ�ဆ �႔ခ႔ပါလငငလငည� Inspection Chamber ေ�တြ���စြဖ င႔ၿပ ေ�ဆေ�ၾ�ာႏ�ငေ�စရငC�တြတြ��လ ည�အ.ၿပဖ�႔�ညရြညFယပါ�ယ။ Inspection Chamber ေ�တြ���

ဆင႔ အန႔အ.�ေ�တြ�၊ ပမႊ�ာေ�တြ�ၿပငပ.�႔တြထ�မလာေ�စ�န Inspection Chamber �� Cover (အဖေ�တြ�) ဖအပေ�ပ�ၿပ အဖဟာလည� ေ��လ (Watertight) ၊ ေ�လလ�႔ (Air Tight) ၿဖစဖ�႔ရနCလတြ�အပပါ�ယ။Inspection Chamber ေ�တြ����ပဆငငဖ�႔ရငCတာ၀Cဟာ Plumbing Contractor �႕�ာ၀Cၿဖစတာေ�ၾ�ာင႔ Inspection Chamber ေ�တြ��ညေ�ဆာ�တ ႔အခါ လ�အပခ�ေ�တြ��.�ရနCလတြ�အပပါ�ယ။ IC ေ�တြ�ဟာ ေ�

အာ�ဆ အထပရေ႕အာ� ေ�ၿမ.ာန႔��ရ�ထ ေ�တြ�ေ႔န��႔အတြ�� ေ�ၿေမအာေ�က န တြ�န��နေ�န�ေ႔� ဖအာ (Hydrostatic Pressure) ခႏ�တြငတ႔ �ညေ�ဆာ�မႈမ (Structurally Strong) ၿဖစရပါမယ။ IC ေ�တြ�� အ

�နေ႔.ာ�လငည�ေ��ာင�၊ တြ�ငCက�စ (RC) ေ�.ာ� လည�ေ��ာင� အ.ၿပၿပ�ညေ�ဆာ��ႏ�ငပါ�ယ။ � ညေ�ဆာ�ခ႔အခါ ေ�.ခာ�႔အာမခခေ�ရစ�န ၾတြ�မ��ငတ႔ Structure Engineer(.�႔) Professional

Engineer ေ�န�ာ၀CယတြOတြ��ခ�ၿပ လ�မ�ထ �ေ�ပရနCလတြည�လ�အပပါ�ယ။Waste Sump ေ�တြ��ေ��ာ႔ မဖ�ေ�ခာင၊ အမ(ာ စ�ေ႔န�ာေ�တြ�� ေ�ဆေ�ၾ�ာ အ.ၿပၿပစြစစြ�န႔ထ

�လ ာ�ေ႔ေ�တြ� �စြစန႔ထ�ဖ�႔ရငC�တြတြ�� အ.မၿပႏ�ငပါဘ။ .ာမCၾ�မ�ခင�ေ�ပၚ��၀ငလာ�ေ႔�၊ ၾ� မ�ခင�ေ�ဆလ႔တြထ�လ ာ�ေ႔ေ�တြ�� Branch Drain Line Pipe ေ�တြ�ေ�န�ဆင႔ ပ�ေ�တြ�� Waste

Sump ေ�တြ�ဆတြ.ာေ��ာ�ဆ ကသြ�( ယ �ပဆငငၿပ ၿပငပ.႔ စြစန႔ထ�ေ�စပါ�ယ။ Waste Sump ေ�တြ�ထ� ေ�နာ �ဆ Waste Sump ��ေ��ာ႔ .၊ ေ�ၿမမႈန ၊ �ႊ�႕စ�ာေ�တြ�� Sewer Line ထေမ�ာ�ရေ�စပ စစထတြ�ရငC�တြတြ�

� Gully Trap �ပဆငေ�ပရနCလတြ�အပပါ�ယ။ Washing Bay (�ာေ�ေတြ�ဆေ�ၾ�ာ�႔ ေ�န�ာမ) �တြထ�လ ာ �႔ ေ��စြစန႔�႔အတြ��က လည� Petrol Interceptor ေ�တြ��ပဆငေ�ပ�န လ�အပပါ�ယ။ ေ�နာ�ဆ Waste

Sump ��ေ��ာ႔ Sewer Line ထ.�ေ႔�စြစန႔ထ�မယ႔ Inspection Chamber ဆ�ဆကသြ�( ယပါ�ယ။

24

Page 2: Sanitary Plumbing and Drainage - Ubder Ground Draninage

Drain Sump ��ေ��ာ႔ Dosmetic Water Tank Room, Sprinkler Tank Room စ�ေ႔န�ာေ�တြ�� ေ�� လ�လငၿဖစေ�စ၊ ေ��လလယလ ငၿဖစေ�စ ေ��စြစန႔ထ�ရငC�တြတြ��� .ၿပပါ�ယ။ လ�နာ�မယ႔အခ�ေ�တြ�ေ�

�ာ႔ Waste Sump ေ�တြ�န႔ အ��ပၿဖစပါ�ယ။Singapore Public Utility Board �ထ�ေ�၀�႔ Code of Practice on Sewerage and Sanitary Works

မာေ�ဖၚၿပထာ�႔ Inspection Chamber န႔ Waste Sump ��႔�႕ပေ�တြ��ေ�အာ�မာေ�လ႔လာႏ�ငပါ� ယ။

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Page 3: Sanitary Plumbing and Drainage - Ubder Ground Draninage

(၈.၁.၂) Manhole

Manhole ေ��ာ႔ Public Sewer Line န႔ဆ�ထ ာၿပ ေအဆာ�� ဥထ� ေ�ေ�တြ��စြစန႕ထ�ဖ�႔ IC ေ�တြ� ေ�န ဆကသြ�( ယထ ာပါ�ယ။ Manhole ေ�တြ�� ေအဆာ�� ဥန႔ အမာဆ မ�ာ ၅၀ အတြ�င�မာပ��ပါမယလ �႔ စ

�ၤ�ာပ�ဒမာ ေ�ဖၚၿပထာပါ�ယ။ Manhole ���ညေ�ဆာ�� .ၿပပ�လည� IC ေ�တြ��ပဆတြငင�.ၿပပန႔ အ��ပၿဖစပါ�ယ။ Manhole ေ��ာ႔ေအဆာ�� ဥ�႕အၿပငဖ�မာ�ညFပါ�ယ။ ေအဆာ�� ဥအတြ�င��စြစ

န႔ထ�လ �တ ေ႔�န႔ အညစ ေအၾ�ေ�တြ�� IC ေ�တြ�ေ��ာ႔ ေအဆာ�� ဥအတြ�င��စြစန႔ထ�လ �တ ႔ ေ� ေ�တြ�� ၿပငပ��ထ�ေ�ဆာင(ငယယOဖ�႔�န ၿဖစပါ�ယ။ Manhole �႕�ညေ�ဆာ�ပေ��ာ႔ မာေ�.ာအာၿ

ဖင႔ Circular ပၿဖစၿပ Precast ��.ၾ�ပါ�ယ။(၈.၁.၃) Pipes (ပ�မာ)

.ညေ�န�ာမ Pipe ဆ��ာန႔ပ�( �ၿပေ��ာ႔ဗဟ.�ေအနန႔ နည�နည�ေ��ခငပါ�ယ။ Pipe ဆ��ာ အ၀င�ဆ� ပ�ပလ�႔ အတြလယတ �မ�( ာၾ�ပါ�ယ။ Pipe �႕ အဓပၸာယဖြယဖင႔ဆ�ပေ��ာ႔ ASHRAE စာအ

ပမာ အ�ညေ�တြ���စေ�န�ာေ�န �စေ�န�ာ� .ယေ�ဆာငသြင[ာဖ�႔ၿဖစပါ�ယလ �႔ ေ�ဖၚၿပထာ�ာဖ�မဖပါ �ယ။ Pipe ေ�တြ�� အ.ၿပ�ေ႔န�ာ အ.ၿပ�႔အငသြ�ယ� စာ၊ အမအစာေ�ပၚမ�ညၿပ Pipe, Tube,

Hose လ�႔လည�ေ�ခၚၾ�ပါ�ယ။ �ခါ�� ေ��တြ.ယတ ႔ တြ�ငCက�စပ�ၾ �ေ�တြ��ေ��ာ႔ Conduit လ�႔ခၚပါ�ယလ �႔ မ�( ာဖပါ�ယ။ Tube ဆ��ာ� ေ�.ငယ �႔ပ�ေ�လေ�တြ�၊ Hose ဆ��ာ� ေ�

ပာေ႔ပာင��႔ Rubber, Steel Mesh စ�ာေ�တြ�န႔ ၿပလတြပထာၿပ အတြလယတ � ေ�တြ�ႏ�င၊ လႈပရာေ�န�႔ စ �ပစၥည�ေ�တြ�မာ Vibration ဒဏခႏ�ငဖ�႔လ��႔ ေ�န�ာေ�တြ�မာ �ပဆငငပါ�ယ။

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Page 4: Sanitary Plumbing and Drainage - Ubder Ground Draninage

Pipe ေ�တြ��အ.ၿပ�႔လပငန�ေ�ပၚမ�ညၿပ အထအပါ၊ Material အမအစာေ�တြ�� ��မၻာလ မာေ��ာ႔ ANSI, ASME, API, JIS စ�႔ Standard ေ�တြ�၊ .�မ�ခ�ေ�တြ�လ�နာ�ပါ�ယ။ ဥပမာအာၿဖင႔

အထအပါေ�တြ�� Schedule 40, 80 စ.ညၿဖင႔.�မ�ပါ�ယ၊ မာေ�.ာအာၿဖငေ႔�န.လပငန�ေ�တြ� ဆ�ပါလင API Standard အ�ထ�ထ ာ�႔ပ�ေ�တြ�� အ.ၿပၾ�ပါ�ယ။ Plumbing လပငန�ထ� �စခၿ

ဖစတ႔ Gas Pipe ေ�တြ�� API အမအစာပ�ေ�တြ�� အ.ၿပေ�လ႔� ပါ�ယ။ ��ယ႔လ�အပခေ�က �ာ႔ �င�ၿပညF႕.�ဆ ငရာ�င�ၿပညF႕ ေ�ဒ.တြ�င�.�မ�ခ�ေ�တြ���.ာ ဥစာေ�ပ လ�နာ�မာၿဖစပါ�ယ။Belowground Drainage မာအ.ၿပ�႔ ပ�� မအစာေ�တြ�ေ��ာ႔ မာေ�.ာအာၿဖင႔ .ေ�ခ��ခႏ�ငၿ

ပေ��ာင႔�င� ခငမာ�႔ Ductile Iron ��.ၿပပါ�ယ။ တြ�ငCကရတြစထထညေ႔လာင��႔ Branch Drain Line ေ�တြ��ေ��ာ႔ Hubless Cast Iron ��အ.ၿပၾ�ပါ�ယ။Vitrified Clay Pipe ေ�တြ��လည�အ.ၿပၾ�ပါ�ယ။ IC အတြ�င� Open Channel (ေ�ေ�ၿမာင�) ၿပ

လပရာမာေ��ာ႔ Semi-Circle Vitrified Clay Pipe ေ�တြ��အမာဆအ.ၿပၾ�ပါ�ယ။ ၿပငပ Sewer Line ၾ�ေ�တြ�မာလည��ပဆတြငင�.ၿပ ပါ�ယ။ IC န႔ အတြ�င�ပင�မာ�ပဆတြငငထာ�႔ Channel ပနမနာေ�တြ�� ေ�

အာ�ေ�ဖၚၿပပါပေ�ေနလ႔လာႏ�ငပါ�ယ။

(၈.၁.၄) Ejector Pit (Ejector Tank)

ေအဆာ�� ဥအတြ�င��အညေစ�ၾ�ပါ�ေ႔�စြစန႔ထ�မယ႔ IC Drain �႕ေအၿခေအနဟာ ၿပင ပ Sewer Drain Line (Manhole) ထ�နမေ႔နပါ� Gravity Flow န႔ စြစန႔ထ�ဖ�႔မ�ႏ�တြငတ႔အတြ��ေ�ၾ�ာင႔ Ejector Tank �ပဆငေ�ပၿပ အညစ ေအၾ�ပါ�႔စြစန႔ထ�ေ�ေ�တြ�� Ejector Tank မာစေ�စၿပ Pump ေ�တြ�န႔ ၿပငပ Sewer Line ထစြစန႔ထ�ရငC�တြတြ��တ တြပဆင အ.ၿပပါ�ယ။(၈.၁.၄) Sewage Lifting Pump

Sewage Lifting Pump ေ�တြ�ေ��ာ႔ Ejector Pit (Tank) ထ�အညေစ�ၾ�ပါ�ေ႔ေ�တြ�� ၿပငပ� Public Drain Line ထ.�႔ စတြပယတြOစြစန႔ထ�ရငC�တြတြ��� .ၿပပါ�ယ။

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Page 5: Sanitary Plumbing and Drainage - Ubder Ground Draninage

(၉) လ�နာ�င႔..ငေ႔.ာေအလ႔အ�ငေ႔�ာင�မာ .�မ�ခ�မာ ၿပခ႔�႔အပင�မာ �နေ�နခ႔�႔ Drainage System မာ လေ�နအမခန�ေ�တြ�� စြစန႔ထ�လ �တ ေ႔�န႔ အ

ညေစ�ၾ�ေ�တြ�အၿပင ေအဆာ�� ဥတြဥတင�� Corridor, Car Parks, Staircase Landing စ.ညေ႔န�ာမာ� ေ�ဆေ�ၾ�ာ�ာေ�နတြထ�လ ာ�ေ႔�၊ အၿပငကစ၀ငလာ�ေ႔�မာ��လည�စြစန႔ထ�ေ�ပရနCလတြ�အပပါ�ယ။

လ�အပခ�ေ�တြ��ေ��ာ႔ စ�ၤ�ာပႏ�ငင�ထ�ေ�၀�႔ Code of Practice on Sewerage and Sanitary Works မာ .�မ� ခ�ေ�တြ���ပဖ�ရႈ႕ဖ�႔ အတြ�� အဆပါစာအတြပက.�မ�ခ�ေ�တြ��ပ ေ�ဖၚၿေပပလ�ပါ�ယ။(၉.၁) Branch Drain Line

Branch Drain Line ဆ��ာေ��ာ႔ IC ဆ.�႔ဆကသြ�( ယတ ႔ အမ(ာ၊ �ာပ�က တြငက Floor Trap စ�႔ပ�ေ�တြ�ပ ၿ ဖစပါ�ယ။ Branch Drain Line �႕ ပ�� ငသြ�ယဟ ာ အနည�ဆ ၁၀၀ မလမ�ာ�.င႔ၿပ ဆကသြ�( ယတ ႔ပ�� �ညဟာ ၁၀

မ�ာထ�ေ��ာစြန�လငCခ႔လငေ��ာ႔ ၁၅၀ မလ�ာ��ပါ�ယ။Branch Drain Line ေ�န IC ဆ�ဆ�တ ႔အခါ အန�ဟ ာ ၁. ၅ မ�ာထ�ေ��ာစြန�လငCပါ� ပ�� ငသြ�ယ ၁၅၀ မလမ�ာ

��မာၿဖစၿပ Back Drop/Tumbling �.�ပါမယ။ ေ�အာ�ေ�ဖၚၿပပါပေမလ႔လာႏ�ငပါ�ယ။Branch Drain Line �႕ ေ��စဆင�မႈလာ�ာ (Flow Direction) ဟာ Mian Drain Line �႕ လာ�ာန႔ ��

ပါ�ယ။ Main Drain Line �႕ ေ��စဆင�မႈ��ာဖ�က ဆကသြ�( ယၿခင�မၿပ�ပါဘ။ ေ��စေ�ၾ�ာင� �႕လာ�ာ� ဥ�ညၿပဆ�တ ာ�ေ��ာ႔ Acute Angle လ�႔ ေ�ခၚၾ�ပါ�ယ။ Branch Drain Line �႕ ပ

�ေ�အာ�ဖ�ဟ ာ Main Drain Line ပ�ရ႕ ေအပၚဖ�မာ��ပါမယ။(၉.၂) Main Drain Line

Main Drain Line ေ��ာ႔ IC �စလငန႔ �စလင ဆကသြ�( ယထ ာ�႔ပေငမ�ထ�ပ�ၿဖစၿပ အနည�ဆပ�� ငသြ�ယ ၁၅၀ မလမ�ာ��ပါမယ။ Main Drain Line ပ�� �ညဟာ မ�ာ ၅၀ ထ�ပၿပ�ညလ�႔မ�ပါ။

IC �စလငန႔ �စလငအန�ဟ ာတြ�ာၿခာမႈမာလင Back Drop/Tumbling ��႔.ဖ�႔ လ�အပခေ�က �ာ႔ Branch Drain Line န႔အ��ပၿဖစပါ�ယ။ Underground Drainage မာ ေအ�ၾ��ာေ��ာ႔ Gradient ၿဖစ

�႔အတြ�� ပ�ေ�တြ�အာလဟာ လေ�လာ�တ ႔ Gradient ��ရနCလတြ�အပပါ�ယ။ �.င႔�႔ Gradient ေ�တြ� �ေ�အာ�မာေ�ဖၚၿပထာ�႔ ဇယာေ�န ေ�လ႔လာႏ�ငပါ�ယ။

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Page 6: Sanitary Plumbing and Drainage - Ubder Ground Draninage

Branch Drain Line ပမာ

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Page 7: Sanitary Plumbing and Drainage - Ubder Ground Draninage

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Page 8: Sanitary Plumbing and Drainage - Ubder Ground Draninage

Tumbling Bay and Back Drop ပ(၉.၃) Drain Line under Building & Car Park, Drive Way

Sanitary Drain Pipe ဟာ ေအဆာ�� ဥ�႕ ေ�ၿေမအာ�မာ�ညFခ႔ပါလင အ.ၿပ�မယ႔ Heavy Duty Material ၿဖစရန လ�အပၿပ ပ�က လည� လေ�လာ�တ ႔ အ�ာအတြ�ယ� ၿဖစ .�မ�ထ ာ�႔တြ�ငCကရတြစ�မအစာ၊

အထ စ�ာေ�တြ�� လ�နာၿပ ခငခနေ႔စရငC�တြတြ�� ၿပလပေ�ပရနCလတြ�အပပါ�ယ။ ပ�ေ��ာ႔ ေ�အာ�မာေ�လ႔လာႏ�ငပါ�ယ။

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Page 9: Sanitary Plumbing and Drainage - Ubder Ground Draninage

(၉.၄) Inspection Chamber and Ventilation

IC ေ�တြ�� အ� တြ�ငCကရတြစတတြ�႔န႔ ခငခနေ႔အာငၿပလပၿပ ေ��လ၊ ေ�လလရနCလတြ�အပပါ�ယ။ ပထမဆ IC � Ventilation အတြ�� အနည�ဆပ�� ငသြ�ယ ၁၀၀ မလမ�ာ ��႔ Ventilation Stack �ပဆငေ�ပရနCလတြ�အပပါ�

ယ။ IC ပ�ေ��ာ႔ အထ�မာေ�ဖၚၿပခ႔�႔ IC ေအၾ�ာင�မာ ေ�လ႔လာႏ�ငပါ�ယ။IC အန� ၂. ၅ မ�ာထ�ေ��ာစြန�လငCခ႔လင ေ�.ခာစနစစတ��ညေ�ဆာ�ေ�ပရနCလတြ�အပပါ�ယ။ ေ�နာ�ဆ IC ဟာ

ေအဆာ�� ဥ�႕ နယ နမ� အတြ�င�ပင� ၂. ၅ မ�ာအတြ�ာေအ၀မာ�.င႔ပါ�ယ။(၉.၅) Wash Area

Wash Area ဟာအမေ�အာ�မာ��မာၿဖစၿပ ေ�ဘပ�လ ညက မေ�ေ�တြ� Sewer Line ထ၀ငမလာေ�စရငC�တြတြ�� ေ�ဘာငသြငကပေ�ပ�ပါမယ။ Wash Area ေ��စြစန႔ထ�ရငC�တြတြ�� Floor Trap ��အ.ၿပႏ�တြင(လ� Floor Waste

� Floor Trap ဆမ�ဆင႔ IC ဆ.�႔ ဆကသြ�( ယ�ႏ�ငပါ�ယ။ ပ�ေ�အာ�မာေ�လ႔လာႏ�ငပါ�ယ။

(၁၀) Private Sewage Treatment Plant (Onsite Treatment Plant)

ေအဆာ�� ဥအတြ�င��တြထ�လ ာ�ေ႔ေ�တြ�� စြစန႔ထ�ဖ�႔�ာ Main Sewer မ�ခ႔ပါ� ေအဆာ�တ ညF�ာ၀န� အတြ�င�မာ Treatment Plant �ညေ�ဆာ�ေ�ပဖ�႔လအပပါ�ယ။ ၿမCမာႏ�ငငလ� Public Sewer ေ�န�ာ�

င��ညေ�ဆာ�ေ�ပမထာ�႔ ေ�န�ာမဆ�ေ��ာ႔ ဗဟ.�ေအနနေ႔လ႔လာ.�ထာရနCလတြ�အပပါ�ယ။ Sewage Treatment ဆ�ာေ��ာ႔ အမ(ာ �င��ေ�.ခာ�ညေ�ဆာ�ၿပ အညေစ�ၾ�ပါ�ေ႔�� စနစစတ

�စြစန႔ထ�ၿခင�ပၿဖစပါ�ယ။ Sewage Treatment Plant �စခမာ ပါ၀ငတာေ�တြ�ေ��ာ႔ Septic Tank, Holding Tank, Distribution Box န႔ Drain Field ��႔ၿဖစပါ�ယ။ Septic Tank ထမာအနေညကစၿပေ�

�ာ႔ Holding Tank ဆေ�န (Distribution Box) ဆ.�႔ စြစန႔ထ�ရန Gravity Flow မ�ႏ�င�လငေ��ာ႔ Pump ��အ.ၿပရနCလတြ�အပပါ�ယ။ လေ�နအမ �စလငမာအ.ၿပ�႔ Sewage Treatment Plant �ညေ�ဆာ�ထ ာ�႔ပ�ေ�အာ�ေ�ဖၚၿပပါပမာေ�လ႔လာႏ�ငပါ�ယ။

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Page 10: Sanitary Plumbing and Drainage - Ubder Ground Draninage

(၁၀.၁) Septic Tank

Septic Tank ဆ��ာေ��ာ႔ အမ(ာ�င�ပါပ။ �ညေ�ဆာ�ပ� အ�န႔ႏ�စခပါ�ၿပ �စခန��အညေစ�ၾ� အဖ�ေ�တြ� အနေညကစၿပမ အ�ညေ�တြ��ေ��ာ႔ �ဖ�ခန�� Holding Tank ဆ.�႔လေ�စပါ�ယ။

Holding Tank ��ဆင႔ အ�ညေ�တြ��ပ�ေ�တြ�ဆစဆင�ေ�စ�ာ Distribution Box ဆေ�န Drain Field ထ�စြစန႔ထ�ပါ�ယ။ Septic Tank ပ�ေ�အာ�ေ�ဖၚၿပပါပမာ ေ�လ႔လာႏ�ငပါ �ယ။

Sewage Water ေ�တြ��စနစစတ�စြစန႔ပစရၿခင�ေ��ာ႔ လႏ�င႔ လ႔ပ�၀န��င(န႔�င��န�မာစြစာ�ေ�န�Cၿဖစတ႔အတြ�� �ညရြညFယပါ�ယ။ လ�အပခ�ေ�တြ�ေ��ာ႔ Septic Tank �စလငဟာေ��လရနCလတြ�အပၿပ ေ�ၿေမအာ�ေ�� ထ�ယ O��ႏ�တြငတ႔ ေ�န�ာန႔အနည�ဆ ၁၅ မ�ာအတြ�ာမာ �.င႔ပါ� ယဆ �ေ�ပမယ႔ .�ဆ ငရာေ�ဒ.တြ�င�အဖြဖ႔အစည�ေ�တြ��႕.��မ� ခ� ေအပၚမ�ညၿပကြ�ၿပာႏ�ငပါ�ယ။ Septic Tank �ညေ�ဆာ

�တ ႔နေ႔န�ာမာ အ.ၿပ�မယ႔ Material ေ�တြ�ေ��ာ႔ Precast Concrete, Glass Reinforced Plastic, Fiberglass Reinforced Plastic, Steel, Polyethylene စ�႔ Material ေ�တြ��အ.ၿပဖ�႔ အၾ�ၿပ

ထာပါ�ယ။ Septic Tank ေ�တြ�� အနည�ဆ�စ�ႏ�တြစတငစခါ စတြပယတြO�င�လင�ေ�ပရနCလတြ�အပ ပါ�ယ။

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Page 11: Sanitary Plumbing and Drainage - Ubder Ground Draninage

Septic Tank အငသြ�ယ� စာတြ��ခ�တ ာ��ေ��ာ႔ BS Code BS 6297 (1983) မာေ�လ႔လာႏ�ငပါ�ယ။ အ. င႔တြ��ခ� ထာ�႔ နမနာဇယာေ�တြ�� ဗဟ.�ေအနၿဖင႔ အၾ�မ�အာၿဖင႔.�ေ�လ႔လာႏ�ငပါ�

ယ။

(၁၀.၂) Drain Field

Drain Field ေ��ာ႔ ေအပါ�ပါ�႔ပ� (Perforated Pipe) ေ�တြ�န႔�ညေ�ဆာ�ထ ာ�ာၿဖစၿပ ေ�ၿမၾ� ထ.�႔ Septic Tank ဆ�လာ�ေ႔ေ�တြ��� အဆ�ပါေအပါ�ေ�တြ�မ�ဆင႔ ေ�ၿမၾ�ထ.�႔ စ

မ႔၀ငေ�စပါ�ယ။ ေ�ၿမၾ��ပ Filter အၿဖစ(တြၿပ Treated Water �� ေ�ၿမၾ�ထ.�႔ စမ႔၀ငေ� စပါ�ယ။

Drain Filed �ညေ�ဆာ�ထ ာပ� ေ�အာ�ေ�ဖၚၿပပါပေ�တြ�မာေ�လ႔လာႏ�ငပါ�ယ။

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Page 12: Sanitary Plumbing and Drainage - Ubder Ground Draninage

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Page 13: Sanitary Plumbing and Drainage - Ubder Ground Draninage

(၁၁) Grey Water Recycling System

���ေ�န�႔�င�ၿပညေ�တြ�မာေ��ာ႔ ေ���ၿပCလည[န႔စင(တြဖြစဖ�႔လပေ�နၾ�ပါ�ယ။ ေ�ဟာ�တယေ� တြ�၊ ေ��ာ႔ပင�ေ�မာလ ေ�တြ�မာ မဖ�ေ�ခာင၊ အမ.ာေ�တြ�ေ�နမဟ�ပ တြထ�ရလာ�ေ႔ေ�တြ�� ၿပCလည[န႔စ

ငၿပ အမ(ာအတြ�� အ.ၿပဖ�ေ႔�အၿဖစၿပCလတြည�.ဖြစၾ�ပါ�ယ။ လ�ရလည�အ.ၿပေ�နၾ�ၿပမ�႔ ေ.ဘာ��ာ၊ အလငပလငပပ�ေ�လ႔လာ �ႏ�ငေ�စရငC�တြတြ�� ေ�အာ�မာပေ�ဖၚၿေပပလ�ပါ�ယ။

36