sewerage system raport teknik

8/9/2019 Sewerage System Raport Teknik

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SEWER SYSTEM

SPECIFICATIONS

ST. CHARLES COUNTY

PUBLIC WATER SUPPLY DISTRICT

NO. 2

100 WATER DRIVE

P.O. BOX 967

O'FALLON, MISSOURI 666

NOVEMBER, 200!



TABLE OF CONTENTS

SECTION 1 " SEWER SYSTEM MATERIALS

PAGE

1. GENERAL TSI-1

2. PIPE AND FITTINGS TSI-1

3. MANHOLES TSI-14. BEDDING MATERIAL TSI-2

5. CASING PIPES TSI-2

6. PIPE SPACERS IN CASING PIPES TSI-27. CONCRETE FOR FORCE MAIN THRUST BLOCKS TSI-3

8. GRAVIT SERVICE CONNECTIONS TSI-3

!. CONNECTIONS TO FORCE MAINS TSI-3

1". AIR RELIEF VALVES ON FORCE MAINS TSI-3

11. TRACE #IRE ON FORCE MAINS TSI-3

SECTION 2 "SEWER SYSTEM INSTALLATION

1. GENERAL TSII-12. SITE #ORK AND PREPARATION TSII-1

3. DRAINAGE TSII-1

4. STAKING$ ALIGNMENT AND GRADES TSII-1

5. SEPARATION OF #ATER SSTEMS AND SE#ERS TSII-26. HANDLING OF MATERIALS TSII-2

7. TRENCH E%CAVATION AND BACKFILLING TSII-38. PIPE INSTALLATION TSII-3!. TRACE #IRE INSTALLATIONS ON FORCE MAINS TSII-4

1". MANHOLE INSTALLATIONS TSII-4

11. #ORK AD&ACENT TO AND'OR CROSSINGS OF STATE OR COUNT HIGH#AS TSII-5

12. CREEK CROSSINGS TSII-5

13. INSTALLATION OF AIR RELEASE VALVES AD VAULTS TSII-614. INSPECTION AND TESTING TSII-6

15. SITE CLEANUP$ RESTORATION AND GRADING TSII-6

16. AS BUILT DRA#INGS TSII-7

17. GUARANTEE TSII-7

TC-1



DETAILS

DETAIL A TPICAL TRENCH SECTION

DETAIL B TPICAL MANHOLE

DETAIL C TPICAL DROP MANHOLE

DETAIL D THRUST BLOCKS FOR FORCE MAINS

TC-2



SECTION 1 " SEWER SYSTEM MATERIALS

1. #ENERAL

M()*+,( /+ 0* () ( /(),/ , )* S**+ S)* ( **) )* +*0,+**)

( *) /+) 09*+ ), S*),/. #*+* +**+** (+* (9* )/ )(9(+9 0 ( A##A$ANSI$ ASTM$ *).$ ,) ( :* 09*+)//9 )() 0 +**+** (+* (9* )/ )* ()*)

+*;,,/ / 0 )(9(+9. #* +*0*)*9 : )* D,)+,)$ C/)+()/+ ( 0+,

(,9(;,) +/ )*,+ 0<<,*+ *+),,= )() ()*+,( //+ )/ )()*9 )(9(+9 :*/+* :*,= ,/+</+()*9 , )* /+>. A ()*+,( ( :* , (/+9(* ,) MDNR R0*

09*+ T,)* 1" CSR 2"-8.12" (9 13".

2. PIPE AND FITTIN#S

(. P,<* /+ /*),/ )* ( :* PVC <,<* ?*@*<) *+* 90),* ,+/ <,<*

, +*0,+*9 ( (*9 /+ ()*+ , )** <*,,(),/ ,) ( )(9(+9 9,*,/ +(),/ ?SDR/ 35. P,<* (9 ,)),= ( //+ )/ ASTM D 3"34 S)(9(+9 S<*,,(),/ /+ T<*

PSM P/;, C/+,9* ?PVC S**+ P,<* (9 F,)),=. T* <,<* ( :* 0+,*9 , 13/+ 2" (,= *=). T* <,<* ( :* (9* (9 /,)*9 ,) ,)*=+( :* (9 <,=/)

+0::*+ =(>*)*9 /,). E( ,)*=+( :* /,) ( /,) / ( /+*9 :* /<*)* ,)

( ,=* +0::*+ =(>*). G(>*) ( //+ )/ ASTM F 477 (9 **) ASTM D 3212S<*,,(),/. T* <,<* ( :* (9* / PVC (;,= ( * (,,(),/ ( 9*,*9 ,

ASTM D 1784 /+ 12454 B /+ 12454 C * (,,(),/.

:. P,<* /+ **+ /+* (, ( :* PVC <,<* ,) ( )(9(+9 9,*,/ +(),/?SDR / 21 (9 :* +()*9 /+ ( /+>,= <+*0+* / 2"" PSI () 73.4 9*=+** F. (9 **) (

(<<,(:* +*0,+**) ( *) /+) 09*+ C/*+,( S)(9(+9 ?CS 256-63. P,<* /,)( :* ( <*,,*9 (:/;* /+ PVC <,<* /+ /*),/ )*. A ,)),= /+ :*9 ,/+* (, ( :* *(,( /,) 90),* ,+/ ,)),=.

. D0),* ,+/ <,<* (9 ,)),= ( //+ )/ A##A C-151 (9 :* **),*9 (9 *( /()*9 , (/+9(* ,) A##A C-1"4. T* /,) / <,<* ( :* <0 /

/,) ,) +0::*+ =(>*) //+,= )/ A##A C111. F,)),= ( (;* *(,(

/,) //+,= )/ A##A C-111 (9 :* **) ,*9 (9 *( /()*9 , (/+9(* ,)A##A C-1"4. A 90),* ,+/ <,<* (9 ,)),= ( (;* </+(< , (/+9(* ,)

A##A C 6"".

. MANHOLES

A (/* ( :* /*)+, (/* /)+0)*9 / +*,/+*9 /+*)* ,*),/ , (/+9(* ,) ASTM C478 (9 ( / / D*)(, B / )** <*,,(),/.

T* /+*)* ( (;* ( ,,0 3" 9( /<+*,;* )+*=) / 4$""" PSI. M(/*

TSI-1



( (;* ( ,,0 9,(*)*+ / 48 (9 (;* <+*-() (/* :(*. M(/* ,;*+)

(* ( :* /+*9 ,) 4$""" PSI /+*)* ,) //) 0+;* / ( (+=* ( +(9,0

( )* ,* / (/* (9 <,<* <*+,). T* //+ / ( (/* ( :* //) (9/<* )/ )* (* )*+*,. M(/* *),/ ( :* /,)*9 ,) ( *(() ()*+,( ,

/<,(* ,) F*9*+( S<*,,(),/ SS-S-""21". T* ,,0 ,9) / *(() )+,<

( :* 1 ,. A <,<* /<*,= )+/0= (/* ( ( :* =+/0)*9 ,,9* (9/0),9* ,) /-+,> =+/0). M(/* ( :* *(*9 / )* /0),9* ,) ( )/-<(+)

0+*)(* /9,,*9 (<() (<<,*9 )/ <+/;,9* ( 9+ , ),>* / 2" ,. M(/* )*<

( (;* ( ,,0 ,9) / 14 ,* (9 :* )** +*,/+*9 /++/,/ +*,)() </<+/<** <(), ,+ *:*99*9 , )* (/* ($ ,) )* )/< )*< )/ :* /)

/+* )( 24 +/ )* ,,*9 =+(9* (9 )* )*< <(,= )/ ,), 24 / )* :/))/ /

)* (/* )/ :* 16.

M(/* +(* (9 /;*+ ( :* =+( ,+/ //+,= )/ ASTM A48. T*

0+(* ( :* (,*9 )/ <+/;,9* *;* *(),= (9 ( :* /()*9 ,) /( )(+ <,)

;(+,. T* ,,0 *(+ /<*,= , (/* (* /<*,= ( :* 22. A (/*

/;*+ ( :* /,9 /;*+ ,) <,> /* , )/ /<</,= ,9* /+ /<*,=. M(/*+(* /+ ( (/* ( *,= ( ,,0 / 23" </09. M(/* ,9 *+* )+(,

/(9 (+* </,:* ( (;* ( ,,0 *,=) / 145 </09. #*+* )*+* , / </,:,,) / )+(, /(9$ (/* ,9 ( :* ,=) *,=) (;,= ( *,=) / /) * )(

85 </09.

$. BEDDIN# MATERIAL

B*99,= ()*+,( /+ ( **+ <,<* (9 /+* (, ( :* +0*9 ,*)/*(9 +**,= ?3'4 ,0 <(*9 ( / / D*)(, A / )** <*,,(),/.

!. CASIN# PIPES

#*+* **+ <,<* +/ S)()* H,=($ /+ *+* +*0,+*9 : C/0) /+ /(+*=0(),/$ ( <,<* ( :* ,)(*9 , (,= <,<*$ , ( :* )** <,<* ,) (

,,0 ( ),>* / $ 0<(,)*9 /+ /()*9$ (9 ( (;* ( ,,0 9,(*)*+ /

1" (+=*+ )( )* /,( ,* / )* **+ <,<*. A **+ , (,= <,<* ( :*

90),* ,+/ <,<* (9 )* *9 / (,= <,<* ( :* *(*9 ,) <+*/+*9 *( (9'/+ /)*+ ()*+,( (<<+/;*9 : )* D,)+,) E=,**+.

6. PIPE SPACERS IN CASIN# PIPES

#*+*;*+ **+ (+* ,)(*9 , (,= <,<*$ )* <,<* ( ( 2"" 90),* ,+/ :* 0<</+)*9 ,) RACI )(<* <(*+ () 6 ,)*+;($ /+ 3 <(*+ <*+ 2" *=) / <,<*.

T* <(*+ ( :* (+*0 ,)(*9 / )* <,<* :*/+* ,) , ,)(*9 , )* (,= <,<*.

TSI-2



7. CONCRETE FOR FORCE MAIN THRUST BLOC%S

C/+*)* /+ )+0) :/>,= ( :* +*(9 ,@ /+*)*$ /</*9 / P/+)(9**)$ (9 (9 =+(;* ,) /) /+* )( ,@ ?6 =(/ / ()*+ <*+ (> / **). T*

/+*)* ( :* ( 5-1'2 (> ,@ ,) 28 9( ,,0 /<+*,;* )+*=) / 3$""" PSI.

&. #RAVITY SERVICE CONNECTIONS

G+(;,) *+;,* /*),/ ( :* (9* , (/+9(* ,) )* D,)+,) **+

*+;,* /*),/ </, ( 9*+,:*9 , 9*)(, / )* D,)+,) *:,)* ()

.()*+9,)+,)2./ 09*+ R0* J R*0,+**) /+ C/*),/ )/ #()*+ (9 S**+

S)*.

9. CONNECTIONS TO FORCE MAINS

C/*),/ )/ /+* (, ( :* (9* , (/+9(* ,) )* D,)+,) **+

*+;,* /*),/ </, ( 9*+,:*9 , 9*)(, / )* D,)+,) *:,)* ().()*+9,)+,)2./ 09*+ R0* J R*0,+**) /+ C/*),/ )/ #()*+ (9 S**+

S)*.

10. AIR RELIF VALVES

A,+ +**(* ;(;* ( (;* ( +*,/+*9 / :/9 ,) )(,* )** ,*+ /+>,= <(+) (9 :* 2 A.R.I. S((+ S/+) V*+,/ D-"25 /+ (<<+/;*9 *0(. A (,+

+**(* ;(;* ( :* ,)(*9 , ( 72 9,(*)*+ (/*.

11. TRACE WIRE ON FORCE MAINS

O ( /+* (, )*+* ( :* ,)(*9 ( )+(* ,+* , ( :* ( ,=*

,0()*9 N/. 12 /<<*+ ,+*$ THNN /+ TH#N$ =(/,* (9 /, +*,)(). T* ,0()*9

,+* ( :* 0+,*9 , +/ / /) * )( 5"" **). #*+* <,* (+* +*0,+*9$ <,*

( :* (9* ,) 3M <,* >,)$ (9 / /)*+ )<* / <,,= , :* (/*9.

TSI-3



SECTION II " SEWER SYSTEM INSTALLATION

1. #ENERAL

T* /+> /;*+*9 : ), S*),/ / )* <*,,(),/$ ( /,) / 0+,,=( <*,,*9 ()*+,( ,) ( **(+ *0,<*)$ (,*+$ )//$ (9 (:/+$ (9

<*+/+,= ( /+> +*0,+*9 )/ ,)( (9'/+ /)+0) )* **+ )* *@)*,/ /+

(=* ,) ( 9,+*),;* /+ /9,,(),/ (9 )** <*,,(),/$ ( )/ :* /<*)*$ , <(*$ (*<)*9$ (9 +*(9 /+ 0*. F(,0+* )/ /< ,) )** <*,,(),/ , +*0) ,

)* +**),/ / )* /+> : )* D,)+,). A /+> ( :* , (/+9(* ,) MDNR R0*

09*+ T,)* 1" CSR 2".8-12" (9 13".

2. SITE WOR% AND PREPARATION

P+,/+ )/ )(+),= )* ;(+,/0 **+ +/0)* ,)((),/$ /*),/$ (9'/+ (=*( +*0,+*9$ )* C/)+()/+ ( /), )* #()*+ D,)+,) ( ,,0 / *;*) )/ ?72

/0+ <+,/+ )/ )* )(+) / /)+0),/. A)*+ / 9/,=$ )* C/)+()/+ ( *(+ )* +/0)*/ ( )+**$ +0:$ (9 /)*+ /:*) /+ ()*+,( , ( 9,+*) ,)*+*+* ,) )*

/)+0),/. I) , (0*9 )() ( /)*+ 0),,) /<(,* /+ /+=(,(),/ (;* :**

/),,*9 /+ /(),/ / )*,+ +*<*),;* (,,),* <+,/+ )/ )(+),= ( /+>. A )+**$+0:$ :0*$ *).$ , , /) ,)*+*+* ,) )* /)+0),/ ( :* <+/)*)*9 +/

9((=*. #/+> <+*<(+(),/ ( ,09* (;,= ( **(+ ()*+,( ,)*$ *0,<*)$

(9 ( (9*0()* (:/+ /+* () )* ,)* , /+>,= /9,),/$ (9 /<*)* ,)+0)*9 (9

<+*<(+*9 )/ <*+/+ )* /+> )/ /<*),/ ( +*0,+*9.

. DRAINA#E

T* C/)+()/+ ( /)+/ )* =+(9,= , )* ;,,,) / )* <,<* )+** / )()

)* 0+(* / )* =+/09 , :* <+/<*+ /<*9 )/ <+*;*) ()*+ +/ +0,= ,)/ )**@(;()*9 (+*(. A ()*+ /+ /)*+ ,0,9 ()* , (00()* , )* *@(;()*9 (+*(

( :* <+/<) +*/;*9.

$. STA%IN#

T* )(>,= /+ ( **+ (9 /+* (, ( :* <+/;,9*9 /+ 0<*+;,*9 : )*9*;*/<*+ E=,**+ /+ L(9 S0+;*/+. S)(>* ( :* <(*9 () )* /*) +*0*)*9 :

)* C/)+()/+ (9 ( /,) / 2 @ 2 0: ,) 1 @ 2 ,)* (). T* (9(*)

<+/<*+) ,*$ *(**) ,* /+ +/(9 +,=) / ( ,* ( (/ :* )(>*9 ,) ()*(+ (+>*9. T* ,)* () /+ )* **+ )(>* ( (;* )* )(),/ (9 )* 0)

*(+ (+>*9 / )*.

TSII-1



T* (,=*) /+ =+(;,) **+ (9 /+* (, (9 )* /(),/ / (/*

(9 (,+ +*,* ;(;* ( :* *)(:,*9 +/ )(>* <+/;,9*9 )*+*/+*. T* =+(9* /+

=+(;,) **+ ( :* *)(:,*9 : (*+ /+ /)*+ *( (<<+/;*9 : )* D,)+,)E=,**+. T* =+(9* /+ /+* (, ( :* *)(:,*9 +/ )* 0) / / )* )(>*

(9 ( :* 0 )() () *() 3-6 /;*+ , <+/;,9*9 (9 <+/;,,/ (+* (9* )/ *(+ /)*+

0),,),* /+ /)*+ /:)+0),/.

!. SEPARATION OF WATER MAIN AND SEWERS

S**+ ( :* (,9 () *() 1" **) /+,/)( +/ ( *@,),= /+ <+/</*9

()*+ (, /+ (<<0+)*(*. T* 9,)(* ( :* *(0+*9 *9=* )/ *9=*. I (* *+* ,)

, /) <+(),( )/ (,)(, ( )* //) *<(+(),/$ 9*;,(),/ ( :* (9* / ( (*-:J(* :(,$ , 0<</+)*9 : 9()( +/ )* 9*,= *=,**+. S0 9*;,(),/ ( (/ ,)((),/

/ )* ()*+ (, /*+ )/ ( **+$ <+/;,9*9 )() )* ()*+ (, , (,9 / ( *<(+()* )+*

/+ / ( 09,)0+:*9 *(+) * /()*9 / /* ,9* / )* **+ (9 , *,)*+ (*$ () 0

**;(),/ )() )* :/))/ / )* ()*+ (, , () *() 18 ,* (:/;* )* )/< / )* **+.

S**+ +/,= ()*+ (, ( :* (,9 )/ <+/;,9* ( ,,0 ;*+),( *(+ 9,)(* / 18 ,* :*)** )* /0),9* / )* ()*+ (, (9 )* /0),9* / )* **+.

T, ( :* )* (* *+* )* ()*+ (, , *,)*+ (:/;* /+ :*/ )* **+.

T*+* ( :* () *() 1" //) /+,/)( *<(+(),/ :*)** ()*+ (, (9

(,)(+ **+ /+* (,. T*+* ( :* ( 18 , ;*+),( *<(+(),/ () +/,= (

+*0,+*9 (:/;* /+ =+(;,) **+.

6. HANDLIN# OF MATERIALS

A <,<* (9 /)*+ (*/+,*$ ( :* 0/(9*9$ )/+*9$ +*-(9*9$ (9 ,)(*9

: *)/9 , 0 ( (*+ ( )/ ,0+* )*,+ ,( /(),/ , ( /09 (9 09((=*9

/9,),/$ //+,= , ( +*<*) )/ <*,,*9 +*0,+**). U9*+ / ,+0)(*( <,<* /+ /)*+ (*/+,*$ :* 9+/<<*9 )/ )* =+/09$ /+ /)*+,* 0:*)*9 )/ </,:*

9((=* +/ ,<() /+ />. S0 ()*+,( ( :* /(9*9 : ,),= ,) (,* /+

/,)$ /+ : >,99,=. P,<* (9*9 / >,9( ( /) :* >,99*9 /+ +/*9 (=(,) /)*+

<,<*.

U9*+ ( ,+0)(*$ ( ()*+,( /+ 0* ( :* (9*9 , ( /+>(-,>*

(*+$ 0,= )* **(+ (</*+ (9 *0,<*) )/ <*+/+ )* )(> , (/+9(*,) )* (0()0+*+ +*/*9(),/.

TSII-2



P+/<*+ *0,<*)$ )//$ (,,),*$ (9 *)/9 (),()/+ )/ )* #()*+ D,)+,)$

( :* <+/;,9*9 (9 0*9 : )* C/)+()/+ /+ )* (* (9,= / ( ()*+,(. U9*+

/ ,+0)(* ( ( ()*+,( :* 9+/<<*9 /+ 90<*9 ,)/ )* )+*.

7. TRENCH EXCAVATION AND BAC%FILLIN#

T+** /+ **+ (9 /+* (, ( (;* ( ,,0 ,9) / 18 /+ )*

<,<* O.D. <0 12 ,* ?,*;*+ , =+*()*+$ (9 ( (@,0 ,9) / )* <,<* O.D. <024 ,*. T* )+* 9*<) ( :* *@(;()*9 6 9**<*+ )( )* <+/</*9 :/))/ / )*

<,<* )/ (/ /+ ( 6 =+(0(+ :*99,= / /<()*9 ,0 +/> ?S** 9*)(, A / )**

<*,,(),/. T* <,<* ( (/ (;* )* /<()*9 =+(0(+ ()*+,( <(*9 )/ ( *;*

6 (:/;* )* )/< / )* <,<* ,) (+* )(>* )/ , ( ;/,9 <(* :**() )* <,<*.

I )* )+* :/))/ /)(, +/* ()*+,($ *@*,;* /,)0+*$ 9*:+, /+ /)*+

9**)*+,/0 ()*+,($ )* )+* ( :* *@(;()*9 6 /+ /+* 9**<*+ )( )* <+/</*9

)+* :/))/ (9 :(>,*9 )/ )* 9*,+*9 =+(9* ,) /<()*9 ,0 :*99,=()*+,(. F/+ ( <,<*$ :* /* , )* )+* :/))/ ( :* <+/;,9*9 )/ (/ 0 /)()

/ )* <,<* ,) )* )+* :/))/.

T* (@,0 9*<) /+ SDR 35 PVC **+ ( :* 2" **). F/+ **+ +/

2" **) )/ 3" **) 9**<$ )* <,<* ( :* 90),* ,+/ /+ SDR 21 PVC. S**+ 9**<*+ )(3" **) , /) :* (/*9 *@*<) *+* <*,,( (0)/+,*9 : )* D,)+,). G**+(

)* (@,0 /<* / **+ ( /) :* =+*()*+ )( 1"$ :0) , ( )**<*+ /<* , **9*9$

<+/;,,/ ( :* (9* )/ <+*;*) )* <,<* +/ /;,= 9/ )* /<* , ( (*+

(<<+/;*9 : )* D,)+,). S**+ ( /) :* /*+ )( 5 **) )/ ( :0,9,=. T*9**),/ / **+ () ( (/* ( /) *@**9 !" 9*=+**.

B(>, /+ ( <,<* 09*+ +/(9($ 9+,;*( /+ <(+>,= /) ( /,) / 1*( +0*9 ,*)/* (+*0 <(*9 )/ (;/,9 0)0+* *))**) +/ 6 (:/;* )* )/< /

)* <,<* )/ )* <(;**) 0:=+(9*. I /)*+ (+*($ )* :(>, ( :* *@(;()*9 *(+)$ +**

/ (+=* )/*$ +/* ()*+,($ ;*=*)(),/ /+ 9*:+,. B(>,,= / ( <,<* ( :* */<()*9 : *( / *)),= /+ /)*+ (<<+/;*9 *)/9 )/ *,,()* *)),=. A

/<*)*9 (+*( )() / *))**) ( :* <+/<) +*-:(>,*9 ,) /<()*9 *(

*(+) /+ /<()*9 1 *( +/> ( +*0,+*9 /+ )* ,,),( :(>,. R**+ )/ D*)(, A /

)** <*,,(),/.

&. PIPE INSTALLATION

L(,= / )* <,<* ( /** ,*9,()* ()*+ )* *@(;(),/ , )(+)*9$

(9 )* C/)+()/+ ( 0* *;*+ </,:* *( )/ >**< )* /<*)*9 <,<* ,)((),//* :*,9 )* )+*,=. T* #()*+ D,)+,) ( )/< )* )+*,= , ,) (<<*(+ )()

)* )+* , /<* )// (+ , (9;(* / )* <,<* (,= /<*+(),/. T* C/)+()/+ ( (

TSII-3



11. WOR% ADACENT TO AND(OR CROSSIN# STATE OR COUNTY

HI#HWAYS

A /+> )/ :* <*+/+*9 ,), )* +,=)-/-( ,,) / )* S)()* (9'/+ C/0)

H,=( ( :* <*+/+*9 , )+,) (/+9(* ,) )* H,=( D*<(+)*)

+*0,+**). T* C/)+()/+ ( /:)(, )* **(+ <*+,) /+ ( /+> <+,/+ )/ )(+),=( /)+0),/. A <*+,) 0) :* 9,<(*9 ( +*0,+*9.

T* C/)+()/+ ( /< ,) ( +*0,+**) 0 ( ,=($ (=($ (9()* <*+/+(* / /+> , 0 ( (*+ / ( /) )/ ,)*+*+* ,) )+(,$

,=( *)+(*$ ,=( (,)*(*$ ,=( 9+(,(=*$ *).$ (9 *)/9 / <(,=

()*+,($ :(>, /<(),/$ (9 ( 0 /)*+ +*0,+**)$ , ( 9,*+ +/ /+

( :* , (99,),/ )/ )/* <*,,*9 /+ /+> /)*+ )( )() ,), )* ,=( +,=)-/ (,,).

H,=( +/,= ( :* /)+0)*9 , (/+9(* ,) ( <*+,) +*0,+**).

T* C/)+()/+ , :* *9 +*</,:* /+ ( (9 ( *@<** ,0++*9 : )* H,=(D*<(+)*) , <+/)*),= )* ,=( ,* /)+0),/ , , <+/=+*$ /+ ( ( +*0) / (,9

/)+0),/.

T* C/)+()/+ , (/ :* *9 +*</,:* /+ ( 9((=* )/ )* ,=( 90* )/

/<*+(),/ 90+,= /)+0),/ ,09,= +*<(**) / 9((=*9 <(;**).

T* +/,= ( :* (,* :/+*9 ,) ,0)(*/0 ,)((),/ / )*

*(**). B/+,= ,)/0) )* /0++*) ,)((),/ / )* *(**) )0:* , /) :*

<*+,))*9. A /,) / )* *(**) )0:* ( :* *9*9 ( <*,,*9 (9 )**(**) )0:* ( *@)*9 )/ )* +*0,+*9 9,*,/.

F//,= /<*),/ / )* (,* :/+*9 +/,=$ )* *9 / )* <,<* (,=( :* *(*9 (9 ( :/+* <,) /+ /)*+ +*0,+*9 *@(;(),/ ( :* 0,)(: :(>,*9 )/

=+(9*. A 9*:+,$ / ()*;*+ ()0+*$ ( :* <,>*9 0< (9 +*/;*9 +/ )* ,)*. A)*+

*(-0<$ )* 9,)0+:*9 (+*( ( :* //)*9 )/ =+(9*$ **9*9$ (9 /;*+*9 ,) )+(.T* *),+* /+> (+*( ( :* *) , ( /+9*+ (9 (*<)(:* /9,),/.

12. CREE% CROSSIN#S

I =**+($ +**> +/,= ( :* (9* ,) PVC <,<* ,) ( ,,0 / 3-1'2

**) / /;*+. I )* =+(9* (+* 0 )() )* /;*+ , * )( 3-1'2 **)$ )* <,<* ( :**(*9 , /+*)*$ :* 90),* ,+/ <,<* /+ :/) ( (*9 /+ / )* <(.

A*+,( +/,= , :* (/*9 / ,) <*,( <*+,,/ / )* D,)+,)E=,**+ (9 ( :* 90),* ,+/ <,<* ,) /+*)* 0<</+) ( ( 9*)(,*9 / )* <(.

TSII-5



1. INSTALLATION OF AIR RELIEF VALVES AND VAULTS

A,+ +*,* ;(;* ( :* <+/;,9*9 / /+* (, () ( ,= </,) (9 ( ,9,()*9/ )* <(. T* ;(0) ( :* () :/))/ 72 9,(*)*+ (/*. T* (,+ +*,* ;(;*

( :* ,)(*9 / )* )/< / )* <,<* (9 ( (;* ( 2 )(,* )** =()* ;(;* /+ =/:*

;(;* :*)** )* /+* (, (9 )* (,+ +*,* ;(;*. T* (,+ +*,* ;(;* ( :* ,+())(*9 )/ )* ,9* / )* (/* ,) )(,* )** )+(< ())(*9 )/ )* ,9* / )*

(/* )/ <+*;*) /;**) / )* ;(;* 90+,= /<*+(),/. T* <,<,= /+ )* (,+ +**(*

;(;* (9 ( ,)),= ( :* )(,* )**.

1$. INSPECTION AND TESTIN#

A **+ )* /+> ( :* /90)*9 09*+ )* ,<*),/ / ( +*<+**)(),;* /

)* D,)+,). A /+> ( /) +*0,+* ,<*),/ :0) )* D,)+,) +*<+**)(),;* (

9*,=()* <*,, (+*( )() 0) :* ,<*)*9 :*/+* )* /+> , :(>,*9. A )*),=

0) :* ,)**9 : )* D,)+,) I<*)/+ (9 )* C/)+()/+ ( 0+, ( )*),=*0,<*) ( (<<+/;*9 : )* D,)+,). T*),= ( ,09*

(. A (9+* )*) / ( =+(;,) **+ 0,= ( (9+* ,) ( 9,(*)*+ )() ( ( 9,(*)*+

!5 / )* ,,9* <,<* 9,(*)*+. I )* (9+* )*) (, / ( *),/ / <,<*$ )()

*),/ / <,<* ( :* 0/;*+*9 (9 +*<(*9. N/ *@<(,/ 9*;,* , :* (/*9 )/ :* 0*9 )/ /+* )* <,<* )() , 9*/+*9 :(> ,)/ +/09. A )+,= ,* 0*9 ,

(9+* )*),= ( :* +*/;*9 ()*+ )* )*),= , /<*)*9.

:. A (,+ <+*0+* )*) / ( =+(;,) **+ )/ ( <+*0+* / 5 PSI ,) / /:*+;*9 9+/< ,

<+*0+* 90+,= ( )*) <*+,/9 / 5 ,0)*.. A ;(00 )*) / ( (/* /+ ( <*+,/9 / /* ,0)* (9 )* ;(00 ( :* 1"

,* / *+0+ (9 ( /) 9+/< :*/ ! ,* / *+0+ () )* *9 / )* /*

,0)* )*).9. F/+* (, ( :* <+*0+* )*)*9 () ( <+*0+* / 15" PSI /+ ( <*+,/9 / 2 /0+ ,)

( (@,0 / /) /+* )( 2 PSI 9+/< , <+*0+*.

*. T* )+(* ,+* / ( /+* (, ( :* )*)*9 : )* C/)+()/+ /+ /),0,).

1!. SITE CLEANUP, RESTORATION AND #RADIN#

A)*+ /+> , /<*)*9$ )* ,)* / ( **+ )* ,)((),/ ( :* *(+*9 /

( /)+0),/ ()*+,( (9 /)*+ 9*:+,. G+(9,= / )* 9*;*/<*+ <+/<*+) ( :* (

(=+**9 0</ :*)** )* D*;*/<*+ (9 )* C/)+()/+$ :0) ( /,) / ( ,,0 / +/0= =+(9,= )/ <+/;,9* <+/<*+ 9+(,(=* (9 ( ,)* ( :* *) , ( *()$ *( (9

(*<)(:* /9,),/. F/+ ( **+ /+> , *(**) /+ /)*+ <+/<*+) /)*+ )( )*

<+/<*+) / )* D*;*/<*+$ )* ,)* ( :* +*)/+*9 )/ ( /9,),/ *0( )/$ /+ :*))*+ )($,) /9,),/ :*/+* )* /+> ( )(+)*9. I ( ( (+*($ )* ,( +*)/+(),/ (

,09* /99,=.

TSII-6



16. AS BUILT DRAWIN#S

D0+,= )* /0+* / )* /+>$ )* C/)+()/+ 0) (;* , , </*,/ () (),* ( /< / )* P( (<<+/;*9 : )* D,)+,). A /+> <+/=+**$ )* C/)+()/+ (

/)* ( *=) / <,<* ,)(*9$ / ,* () ( (/*$ /(),/ / ( (/*$ (,+

+*,* ;(;* ;(0)$ (9 *+;,* /*),/ (9 +*/+9 ( 9,*,/ **(+ )/ /()* (**+ )* (,,),*. A) )* /<*),/ / )* <+/*)$ (9 <+,/+ )/ (*<)(* : )*

D,)+,)$ )* C/)+()/+ ( 0+, )* /< / <( *+* ( ( :0,) 9,*,/ (9

/)* (+* *9/+*9. T* <( 0) :* +*(),;* *( (9 )/)( *=,:* ,) +*=(+9 )/ (/)* (9* )*+*/.

17. #UARANTEE

T* C/)+()/+ ( =0(+()** ( ()*+,( (9 /+>(,< /+ ( <*+,/9 / (

,,0 / )+** ?3 *(+ //,= (*<)(* / )* /+> : )* D,)+,).

TSII-7

sewerage system raport teknik

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