6.3. ERMUSR 01-09-2007 Elk River
Municipal Utilities
13069 Orono Parkway phone: 763.441.2020
Elk River,MN 55330 Fax:763.441.8099
January 2, 2007
To: Elk River Municipal Utilities Commission
Jerry Takle
John Dietz
Jim Tralle
From: Bryan Adams
Subject: Alternate Water Service Line Material
The current approved materials for water service lines are type K. copper for 1"diameter to
2" diameter and 150 lb class ductile iron pipe (DIP) for greater than 2"diameter.
Due to the cost, thief problem and decreasing quality of K. copper, many of the contractors
working in Elk River request use of other water service line material.
Elk River Municipal Utilities has been using high density polyethylene (HDPE)water mains
for some time. Going to HDPE service lines also makes good sense as an alternate to K.
copper. Most other communities allow alternate materials to K. copper as well and it is
generally the HDPE type materials. We are suggesting a totally fuse system where some
communities allow a compression fitting system. The attached drawing reflects the 3
different service line conditions. They are as follows:
1)DIP main—K. Copper Service Line
2) DIP main—HDPE Service Line
3)HDPE main—HDPE Service Line
Staff recommends amending section 104 of the water rules to allow HDPE service lines.
ALL COMPONENTS SHALL MEET I THE OWNER SHALL BE RESPONSIBLE FOR - I PRESSURE REDUCING
THE FOLLOWING AMERICAN WATER MAINTAINING TOP OF CURB STOP BOX FLUSH VALVE BY OWNER
WORKS ASSOCIATION (AWWA) 1 WITH GROUND SURFACE I (WHERE REQUIRED
STANDARDS: C800, C901/906. �� BY ERMU)
I-Ti 11 --I I-1 1 1 111-1111-n—I-11 I-1 11-l___1-1 II-I I-I I I--II I 1=1 11=111=111=111=111=
., I_I I I- CI I-)I 1=1111-11 1 1 1 1-I 11=111-111:7 Ill I!�1 11=1 I I I I I-III III-1 I I-III I I 1 ' METER BY SHUT OFF ,.
,• ////�i%�� II 11 II Ii 1IIII nI I111�I u1I��111 I11-111--11 111 T-u 1111- TT ii--111111=111--111-111-111=111=111=111=u1111111 1-IU1 I-1u 1111
OWNER OWNER VALVE
DUCTILE IRON WATERMAIN TYRE K COPPER TYPE.H COPPER
WATER PIPE BY _Iw r�WATER PIPE BY \
w OWNER OWNER - L\n f L T
CORPORATION-STOP 1� - I w Il T`.�T--C`-'l
BY OWNER w'
CURB STOP BOX Its
BY OWNER
Ia CURB STOP VALVE I� --. __
BY OWNER
•
I TYPE K COPPER j \ COMPRESSION FITTING BY
WATER PIPE BYOWNER'(LIMIT`ONE PER
. OWNER _ _ I _ SERVICE ENTRANCE)
O TYPE K COPPER WATER PIPE SERVICE ENTRANCE FROM A DUCTILE IRON WATERMAIN
NO SCALE
ALL COMPONENTS SHALL MEET THE OWNER SHALL BE RESPONSIBLE PRESSURE REDUCING
THE FOLLOWING AMERICAN WATER I FOR MAINTAINING TOPS OF CURB I VALVE BY OWNER
WORKS ASSOCIATION (AWWA) 1 STOP BOX AND LOCATE WIRE BOX I (WHERE REQUIRED
STANDARDS: C800, C901/906.. I FLUSH WITH GROUND SURFACE BY ERMU)
_ _ _ � _ I I -I I_111 n l
1 I-1 11 III=1 1 1=III (1 I-III I 1 11 I-1 11-I I( I I -III-III III III-III III=• I METER BY SHUT OFF
-111-1 I-111-111-III-1I I 111-111=111 -111- 111��11__I 111 111-111-111-111-III-III 111 OWNER VALVE BY
/ / // 11-111111=111=111=111=111=-1 11-111-111=1 JA 1 11-111 111 . I I1 111-111 III= • OWNER
. -I I BOWE 7
DUCTILE IRON WATERMAIN PE WATER PIPE BY - BOX X B BY OWNER
CORPORATION STOP Iw OWNER -_ 1w •
BY OWNER 17 �_ 1 pi a
LOCATE WIRE BY OWNER.- I m CURB STOP BOX I 6 '
¢ LOCATE WIRE BY OWNER.
WIRE SHALL BE BONDED ,1a BY OWNER I WIRE SHALL BE BONDED • •
AT WATERMAIN. LOCATE O .Q TO BUILDING GROUNDING
WIRE SHALL BE SECURED - d CURB STOP VALVE - SYSTEM. LOCATE WIRE
. ..TO SERVICE ENTRANCE I ._ BY OWNER -I'5 SHALL BE SECURED TO
PIPE. I - I SERVICE ENTRANCE PIPE. TAL a_ .ELECTRICALLY FUSED OWNERLECTRICALLY FUSED •.COUPLER BY OWNER 1 PREFABRICATED METAL PREFABRI
TO PE TAIL BY OWNER TO PE TAIL BY OWNER
O POLYETHYLENE (PE) WATER PIPE SERVICE ENTRANCE FROM A DUCTILE IRON WATERMAIN
NO SCALE
ALL COMPONENTS SHALL MEET I THE OWNER SHALL BE RESPONSIBLE I PRESSURE REDUCING
THE FOLLOWING AMERICAN WATER FOR MAINTAINING TOPS OF CURB I r�VALVE BY OWNER
WORKS ASSOCIATION (AWWA) I STOP BOX AND LOCATE WIRE BOX 1 ,_•eJ (WHERE REQUIRED
STANDARDS: CB00, C901/906 I FLUSH WITH GROUND SURFACE BY ERMU)
1- -1 11-1 11-I I f
II=111- III=1I I=III=I 11=111=III=111=1 I1 _ r1��1- I 1=III 111 111=111=III-1I I=I1 I-• METER BY SHUT OFF
-II-I -111-I I I-111-111-111-111-111-111- I I 1�i�t 11-1 I 111-111-111-111-1 11-III-1111 OWNER VALVE BY)107-111-rd II-1 11-1 11 I I 1--I 1 I 11I-111-1 11 I/-I — 1-I 1 111=111=1 I 1-III=1 11= OWNER
PE WATERMAIN'., �f - I LOCATE WIRE
PE WATER PIPE BY
BOX BY OWNER 7
CORPORATION STOP I_ . OWNER
BY OWNER P.-.
LOCATE.WIRE BY.OWNER. CURB STOP BOX SHALL BE BONDED I - LOCATE WIRE BY OWNER. e r
WITH PE WATERMAIN Al BY OWNER WIRE SHALL BE BONDED r
LOCATE WIRE. LOCATE IS - - ''17 TO BUILDING GROUNDING. F
WIRE SHALL BE SECURED a -.CURB STOP VALVE - S -SYSTEM. LOCATE WIRE -^ a -
TO SERVICE ENTRANCE I BY OWNER - - -_I. SHALL BE SECURED TO -
PIPE. \lam .I - I - - SERVICE ENTRANCE PIPE.
me
T-ai ELECTRICALLY FUSED/� k\-
U COUPLER BY OWNER CLECTRIRALLY FUSED
COUPLER BY OWNER -
PREFABRICATED METAL PREFABRICATED METAL
TO PE TAIL BY OWNER _I TO PE TAIL BY OWNER
O POLYETHLENE (PE) WATER PIPE SERVICE ENTRANCE FROM A PE WATERMAIN
NO SCALE
Elk River Municipal Utilities
Water Service Entrance Standards
13069 Orono Parkway
Elk River ^^ Elk River, MN 55330
Phone: 763.441•2020 date: Dec 19, 2006
Municipal Utilities Fax: 763.441.8099 scale: no scale