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SEE CITY DETAIL
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EXPIRES: 7-12-2004
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BASE SURVEY CERTIFICATION
I HEREBY CERTIFY THAT THE HORIZONTAL AND VERTICAL LOCATIONS
OF THE TOPOGRAPHIC FEATURES SHOWN HEREON ARE THE RESULT
OF A SURVEY MADE BY ME OR UNDER MY DIRECTION.
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SCAM.
S.T.
DESIGNED:
M.W.
DRAWN:
J.N.
CHECKED:
M.W.
BY DATE APPR APPROVED:
K.E.
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AS SHOWN
ONE INCH
AT FULL SCALE
IF NOT ONE INCH
SCALE ACCORDINGLY
VERncAi-. NN1910
HORIZONTAL' HAD VD 1910/1991
Alllf�
DATUM
STORM DRAINAGE NOTES
01 CONTRACTOR SHALL REMOVE AND WASTEHAUL EXISTING AREA
INLET, CATCH BASIN, OR STORM DRAIN MANHOLE.
02 CONTRACTOR SHALL PROTECT EXISTING STORM PIPE DURING
CONSTRUCTION
CONTRACTOR SHALL CUT AND CONNECT EXISTING STORM DRAIN
PIPE TO NEW CATCH BASIN.
CONTRACTOR SHALL
INSTALL PERMANENT CONCRETE PLUG IN
UPSTREAM END OF EXISTING STORM DRAIN PIPE.
05
CAUTION: POTENTIAL
UTILITY CONFLICT. CONTRACTOR TO USE
"ETHAFOAM" PAD AS
SEPARATION BETWEEN UTILITIES WHERE
VERTICAL SEPARATION IS LESS THAN 6"
CONTRACTOR SHALL
REMOVE AND WASTEHAUL EXISTING STORM
DRAIN PIPE.
(DCONTRACTOR
SHALL
MAINTAIN 6" MINIMUM HORIZONTAL
SEPARATION BETWEEN CATCH BASIN AND GAS LINE. CONTRACTOR
SHALL IDENTIFY ANY
SEPARATION LESS THAN 6" FOR REVIEW BY
CITY.
CONTRACTOR SHALL
INSTALL WATER LINE PER SHEET 8 AND THE
CITY SPECIFICATIONS
CONTRACTOR SHALL DRILL 1 " HOLES AT 2" SPACING TO PROVIDE
KNOCKOUT SUITABLE FOR PIPE CONNECTION. CONTRACTOR SHALL
EXCAVATE AROUND ALL SIDES OF EXIST. CATCH BASIN WHEN
MAKING CONNECTION TO ALLEVIATE SOIL PRESSURES.
10 CONTRACTOR SHALL MAINTAIN 12" MINIMUM HORIZONTAL
SEPARATION BETWEEN CATCH BASIN AND WATER LINE.
CONTRACTOR SHALL IDENTIFY ANY SEPARATION LESS THAN 12 Is
FOR REVIEW BY CITY.
11 CONTRACTOR SHALL ABANDON EXISTING 8" Cl WATER LINE IN
PLACE
CONTRACTOR SHALL CORE DRILL EXISTING CATCH BASIN AND
CONNECT NEW STORM DRAIN. CONTRACTOR SHALL EXCAVATE
AROUND ALL SIDES OF EXIST. CATCH BASIN WHEN MAKING
CONNECTION TO ALLEVIATE SOIL PRESSURES.
CONTRACTOR SHALL FILL EXISTING PIPE WITH CONTROLLED
DENSITY FILL BETWEEN CONCRETE PLUGS.
GENERAL CONSTRUCTION NOTES
1. ALL TYPE 1 AND 2 CATCH BASINS SHALL HAVE VANED
GRATES EXCEPT WHERE NOTED ON THE PLANS
2. ALL TYPE 2 CATCH BASINS SHALL HAVE FLAT TOPS
3. ADJUST TYPE 1 CATCH BASINS TO LOCATE AT LOW POINTS,
IN FLOW LINES, AND TO CLEAR EXISTING UTILITIES
4. ALL STORM P
IPE CONNECTIONS INTO PROPOSED CATCH
BASINS SHALL BE FITTED WITH A MANHOLE ADAPTER AND
USE AN "A—LOK" FLEXIBLE CONNECTOR OR EQUIVALENT.
SEE SPECIFICATIONS.
UTILITY NOTE
THE CONTRACTOR SHALL BE RESPONSIBLE FOR VERIFYING
THE LOCATION, DIMENSION, AND DEPTH OF ALL EXISTING
UTILITIES WITHIN THE PROJECT, WHETHER SHOWN ON THESE
PLANS OR NOT, BY POTHOLING THE UTILITIES AND
SURVEYING THE VERTICAL AND HORIZONTAL LOCATION PRIOR
TO CONSTRUCTION. THE UTILITIES SHOWN ON THE PLANS
ARE BASED UPON THE AVAILABLE INFORMATION AND ARE
SUBJECT TO VARIATION. IF CONFLICTS OCCUR THE
CONTRACTOR SHALL CONSULT THE PROJECT ENGINEER TO
RESOLVE THE PROBLEM PRIOR TO PROCEEDING WITH
CONSTRUCTION.
RECOMMENUED FOR APPROVAL
By:-j2&,4 Date:- llh0A__
By: ------- Date: --------
BYDate:
BY: ------ ------ Date: --------
AS BUILT PER CONTRACTOR'S RECORD 10/0:9 B 951904.
[All:
6/1
R CITY OF S.W. 7TH STREET DRAINAGE IMPROVEMENT PROJECT F8/03
IELDWOK:
PAGE:
PHASE 1 - MORRIS AVE. S. TO BURNETT AVE. S.
RENTON - DRAWING NO:
Planning/Building/Public Works Dept. PLAN AND PROFILE STA. 30+60 TO 34+00 SHEET. 4 OF, 9
SCANNED APR 2 2 .2cog
CONSULTING ENGINEERS
701 DEXTER AVENUE NORTH SUITE 200
SEATTLE, WASHINGTON 98109 (206) 284-0860
L.THOMAS L.S. 16930 DATE: 5/14/03 1 NO. I REVISION