20081804 Ver 1_Site Plan_20081210

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CAT~T SKEET
CONTRACTOR NOTES CONSTRUCTION SEQUENCE
SEEDING ANO MULCHING OR A PROPER GROUND COVER WII ALL DISTURBED AREAS WITHIN 15 DAYS OR 21 CALENDAI D COVER WILL BE PROVIDED ON 21 CALENDAR DAYS (WHICHEVER IS SHORTER PRIOR TO ANY EXCAVATION INSTALL THE COG STD. #433 SILT GHECK DAM DOWNSTREAM
FOLLOWING COMPLETION OF THE STORM SEWER INSTALLA R INSTALLATION. OF THE WORK SITE.
~ REFER TO PLAN DETAIL SHEETS OR CONTRACT SPECIFIC T SPECIFICATIONS FOR THIS PROJECT MUST BE INSTALLED "IN THE DRY°'. PRIOR TO ANY EXCAVATION
SEEDING AND MULCHTNG REQUIREMENTS. CONSTRUCT THE "LOW FLOW BYPASS SYSTEM" COFFER DAM AS SHOWN IN THE DETAIL
~ 1 ~ REMOVE AND PROPERLY DISPOSE OF THE EXISTING 42" STING 42" CONCRETE PIPE. THIS DRAWING UPSTREAM OF THE NEW.. CULVERT LOCATION.
h INSTALL A LOW FLAW BYPASS SHALL BE CONSIDERED INCIDENTAL TO THE TRENCHING X63 TRENCHING FOR THE CULVERT INSTALLATION. IF THE WORK SITE MUST BE DEWATERED THE WATER MUST BE PASSER THROUGH
6 PUMP SYSTEM, AS SHOWN ON THE CONTRACTOR IS TO MAINTAIN ONE WAY TRAFFIC FO' TRAFFIC FOR PROPERTY ACCESS AND AN ADEQUATELY SIZED SILT BAG OR SILT BASIN BEFORE RELEASING THE WATER INTO
a~ THE CONTRACT DETAIL SHEET. ~ EMERGENCY SERVICES. THE STREAM.
A REPAIR PAVEMENT ACCORDING TO C.O.G. STD. #423. Ti D. #423. THE PAVEMENT REPAIR WILL BE INSTALL THE NEW 4' X 9' CULVERT AS SHOWN ON THE PLAN
~ MADE BY SQUARING UP THE CUT PERPENDICULAR TQ THE LAR TO THE ROADWAY ALIGNMENT.
THE TWO GRATE INLETS WILL BE C.O.G. STD. #434/43! ~ ~ J. #434/435. TO INSTALL THE INLETS THE CONSTRUCT THE OUTLET CONDITIONS AS SHOWN IN THE DETAIL DRAWING ON THIS SHEET.
WINGWALLS _ CONTRACTOR WILL CUT HOLES IN THE TOP OF CULVERT I s INSTALL 45 DEGREE OF THE #435 BOX. THE INLETS WILL BE ALIGNED WITH CULVERT EQUAL TO THE INSIDE DIMENSION IGNED WITH THE LONG AXIS PERPENDICULAR SEED AND MULCH THE ENTIRE DISTURBED AREA.
~ AND ~ FOOT HIGH ENDWALL TO THE DITCH ALIGNMENT. THE SIDE DITCHES WILL BE .S WILL BE GRADED TO DRAIN TO THE NEW INLETS
SEE NOTE CONCERNI OVER CULVERT BOX AS SHOWN ON THE PLANS. AFTER THE CONSTRUCTION WORK IS COMPLETE AND THE DISTURBED AREA IS
PROPOSED GRATE INL TS THE CONTRACTOR WILL CONSTRUCT A TEMPORARY DAM AS ARY DAM AS SHOWN ON THE DETAIL STABILIZED, REMOVE THE COFFER DAM AND SILT GHECK DAM.
SHEETS ON THE UPPER-SIDE OF THE WORK AREA TO IMPS REA TO IMPOUND THE LOW FLOW.
THE RUNOFF WTLL THEN BE PUMPED AROUND THE WORK AI ~ 0 DTI . THE CAPACITY TO PUMP THE TOTAL LQW FLOW AR UN THE WORK AREA. THE PUMP WILL HAVE AROUND THE WORK AREA WITHOUT
GRATE = .0 ~ ALLOWING ANY BYPASS. THIS WORK SHALL BE PAID AS PAID AS "LOW FLOW BYPASS PUMP SYSTEM"
PROPOSED 8B LF 9' W X 4' H IF THE WORK SITE MUST BE DEWATERED, THE CONTRACT CONTRACTOR WILL PASS THE OUTFLOW TIE BACK OF BENCH
Q. PRECAST BOX CULVERT FRAM THE PUMP THROUGH A STILLING BASIN OR A SILT OR A SILT BAG. THE SIZE AND LOCATION TO EXISTING GROUND GRADE FLAT BANKFUL BENCH
~ WITH PRECAST WINGWALLS WILL BE OETERMINED BY THE ENGINEER. AT 2:1 SLOPE AT ONE FOOT ABOVE BOTTOM
X ~ PRIOR TO ANY EXCAVATION THE CONTRACTOR WILL CONS' WILL CONSTRUCT A TEMPORARY OF EXISTING CHANNEL.
6~ SiLT CHECK DAM, C.O.G. STD. # 433 BELOW THE WORK I~ W THE WORK AREA AS SHOWN ON THE PLAN.
T,_ 1: 1, SLOP
2: 1 Sl.OPE
INSTALL C, 0, G, STD. #431 INLET EROSION CONTROL " I UNDISTURBED EXISTING rzn~sa+~n
V S _ DE ICE ~n-- 4' x 9' PRECAST CONCRETE BOX CULVERT CHANNEL BOTTOM
2: f SLOPE • - . .
-h-- TOP OF GRATE = 766.00
_ _
CONSTRUCT PLUNGE POOL COVER ALL DISTURBED AREAS WITH
1~' BATTLEGROUND AVE. ~ ~ k SEED AND COTR FIBER MATTING. SEE. TIE BACK OF BENCH SPECIFICATIONS FOR DETAILS.
" ~ ~ VERTICAL DATUM - N VD 88 r~ , TO EXISTING GROUND GRADE FLAT BANKFUL BENCH
HORIZONTAL DATUM - NAD 83 AT 2:T SLOPE AT ONE FOOT ABOVE BOTTOM
Of EXISTING CHANNEL,
~ INSTALL 45 DEGREE WINGWALLS
AND 1 FOOT HIGH ENDWALL OVER SEE NOTE CONCERNING THE CULVERT BOX. PLAN VIEW OF OUTLET CONDITIONS
PROPOSED GRATE INLETS -
~ - ~ ~
~ - = - n - - ~ 4'X9' CULVERT
PROPOSED 45' X 55' PERMANENT DRAINAGE _ DE OF RIGHT OF WAY ~ = BANKFULL BENCH 1 FOOT 2° EASEMENT OUTSI ~ _ 2' 21'
~ ABOVE BOTTOM OF i PROP. 4'X9' CULVERT
EXiSTTNG CHANNEL. -11 BANKFULL BENCH 1 FOOT q&
t z' t ~ ABOVE BOTTOM OF ~ ExisTZNG sT~Ea~ BEo
~ a SEE DETAIL OF OUTLET STREAM ~ EXISTING CHANNEL 12 1' z 1 ~
~ MQDIFiCATTONS TO THE RIGHT. CONSTRUCT PLUNGE POOL
INSTALL COG STD. #433 CROSS CROSS SECTION OF OUTLET STREAM CONSTRUCT PLUNGE POOL
RIP RAP CHECK DAM, ~ ~ TO BE REMOVED AFTER W ~
VEGETATION TS REESTABLISED LONGITUDINAL SECTION OF OUTLET STREAM
0+00 +00 2+00 3+00
f4EVISIONS TYPE CONTRACT CONTRACTOR AS-BUILT AUTH. DATE 7H. DATE BENCH MARKS JOB Na. P -04350 CZ> CITY.OF
2009-006 STORM SEWER DESIGNED 11/24/04 BY CEO N~ ENGINEERING DAMON
SOIER DETAILEDII/24/04 BY CEO LSHEEET NO.
0 WATER CHECKED BY MMB - ~f 1, 000 LF EAST OF BATTLEGROUND AVE. F
SIDEWALK SCALE: 1" = 20" ® ~4 CULVERT UPGRADE