pe1848yNEW MH
LID EL.=-195
I.E. •45.96
STA.1
5+00
T. 4+41
DATUM ELE
1945 00
1960
1950
5+00
DE-SAC
cx
a)
•
MD LEY HEIGHTS, SEWER EXTENSION PLAN
4+00
STA. 3+30.00 8' RT.)
EXIST. 8" SAN. SEWER STUB
I.E.=1945.52 (VERIFY)
STA. 2+70.00 (6.18' RT.
EXIST. MH Q1
LID EL.=1956.73
I.E.=1945.28
+00
EXIST. thARRIER AND SGN
& RT.)
TRANS! IION FROM EXIST. TYPE 'A'
CURB Tb NEW SPOKANE COUNTY
TYPE CURB AND GUTTER WITH
5' SIDE ;CONCRETE SIDEWALK
NEW GRADE AT
CENTERLINE
HORIZONTAL SCALE: =50'-0"
VERTICAL SCALE: 1 10'
EXIST. GRADE AT
CENTERLINE
8
L:c9-109.89'
S 0.004 FT.
S=0004
FT.
3+00
EDGERTON COURT
r€)
1.5
LO
1950
1+00
z
50
BRAD EY iUi HTS SEWER EXTENSION PROF E
SCALE: "-50'-O"
0
25
50
100
CHANNEL
BOTTOM
SEWER SERVICE
LOCATION TABLE
C L
AT ON
3+78.92
3+81.15
OFFSET
FROM ROAD C
6.18' RT.
6.18' RT.
6.18' RT.
4+11.15
4+13.15
4+32.40
4+35.24
6.18' RT.
I RT
AT STUB END
1947.52
1947.98
1947.70
1948.15
1948.10
1947.66
LENGTH
40.74'
63.13'
42.87'
64.98'
58.46'
6.18' RT.
6.18' RT.
36.22'
NOTE: ALL STATIONS ARE TAKEN AT THE SEWER MAIN
NOTE: ALL SEWER SERVICES ARE 4" PVC PIPE, TYPE 'A' UNLESS OTHERWISE NOTED
NOTE: PIPE LENGTHS AND INVERT ELEVATIONS ARE
GIVEN AT THE INSIDE FACE OF MANHOLE
MANHOLE INVERT DETA I
NO SCALE
LE. ON
PLANS
NOTES FOR SEWER MAIN PROJECTS
GENERAL: All sewer line construction methods and materials shall be
in accordance with the Standard Specifications for Road, Bridge, and
Municipal Construction as jointly promulgated by the Washington State
Department of Transportation and The Washington State Chapter of the
American Public Works Association, current edition, as adopted and
revised by the Spokane County Utilities Department. These plans are
schematic and are not intended to depict all details of the work
required. The contractor shall be responsible to familiarize himself
with actual site conditions and factors affecting the work. The
contractor shall be responsible to coordinate with Spokane County to
develop a traffic control plan and inspection requirements. The
contractor shall be responsible to obtain all required permits.
Pavement patching requirements shall be as determined by the Spokane
County Road Department. All construction shall conform to Spokane County
Standards for Road and Sewer Construction.
2. All sewer pipe shall be PVC in accordance with ASTM D 3034, SDR35, as specified
in the Spokane County Standards for Road and Sewer Construction, Section 7-04.2.
All sewer fittings shall be installed in accordance with standards set forth in
ASTM D2321-B32.
3. TRENCH EXCAVATION AND BACKFILL: All trench excavation and backfill
shall conform to W.S.D.O.T. Section 7.-08.3 (1)A. All bedding shall
consist of approved bedding material placed around the pipe and
backfilled as per W.S.D.O.T Section 7.-08.3 (1)C. Compaction of
backfill in roadway shall be performed to meet Spokane County
Engineers' requirements. Testing of collector sewers and side sewers shall
be done in accordance with Spokane County Utilities Department requirements.
4. SIDE SEWERS: Each sewer service line shall be a minimum of 10 feet
from side lot lines. Each sewer service line an d mainline stub shall
be marked with a 2"x4" marker post extending vertically from the
sewer service or mainline stub invert to a minimum of 24" above
finished grade. Each 2"x4" marker post shall have a 6 gauge
galvanized wire securely attached for its entire length and shall be
clearly marked showing the 2"x4" length in feet at the exposed end.
5. Side sewer shall have a positive grade of at least 0.020 ft./ft. from the sewer main.
All services shall be Type 'A' unless otherwise specified. The contractor shall maintain
separation of 10 feet horizontally and 18 inches vertically from all water mains and
services. All service lines shall be extended 5 feet minimum beyond the back of sidewalk.
6. Manholes shall be installed per plan U-1 of the Spokane County Standards for Road
and Sewer Construction.
7. Contractor shall maintain a minimum cover of 3.5 feet over all mains and services
8. AS-BUILTS: Certified reproducible as built drawings are to be
submitted to and approved by the County Utilities Department at the
completion of construction. 2 horizontal ties and 1 vertical tie shall
be shown on ..:1-builts for all side sewer services, main line stubs,
and cleanouts. Stubs that are not constructed perpendicular to sewer
main will need a station on the tee and a station and offset from
sewer main tc end cap shown on as-builts. Stations shall be from
downstream monhole and measured on main sewer line. Any bends in
service line need to be as-built with 2 horizontal swing ties to
permanent surface features. The contractor shall maintain red line
mark-ups of any changes to these plans.
9. TESTING AND ACCEPTANCE: The low pressure air test method shall be
used. All lines shall be cleaned and TV inspected prior to
acceptance by Spokane County.
10. All sewer construction inspection, record drawings, and engineers statements
shall conform to the requirements set forth in the Spokane County policy
adopted September 22nd 1998 Via resolution 98-0771.
D
EVELOPER'S APPROVAL
RECEIVED
SEP 1 3 1999
SPOKANE COUNTY E.Nt..)1NEEA
The undersigned Developer or his assigns agrees to construct improvements
in accordance with this plan, and upon completion the professional engineer
shown on the face of the plans will be responsible to submit certified reproducible
as-built drawings for review and approval by the Spokane County Utilities
Department.
Developer's Approval
Engineer's Approva
CA
BEFOR
Date
Date
1-3E'RJRN TO COUr ENGINEER
E YOU DIG 456-
0
CD
z
z
z
co
0
0
(s)