HomeMy WebLinkAboutsite-plans-066 »thick CONCRETE SLAB
6" CONCRETE WALK WiTH 6 -6 -6 W.W.F.
AROUND NEW INLETS OVER 6 "thick CONCRETE SLAB
ON 6" COMPACTED GRANULAR FILL
6 COMPACTED GRANULAR AROUND NEW INLETS OVER
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NEENAH FRAME AND
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GRATE (SEE 'GRADING
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GRADING PLAN FOR
PLAN FOR T. FINISH CONCRETE
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4 SEE GRADING PLAN 4
MIN. MIN.
COMPACTED #53 STONE
CONCRETE ENDSECTION
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COMPACT TO 95% STANDARD
SECTION
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SCALE: 1/2-;1 -0
PROCTOR DENSITY
16" 4" SEE GRADING PLAN 4"
16"
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TYPICAL ASPHALT PAVEMENT DETAIL
11110-
MIN. MI
PREFAB SHALLOW INLET DETAIL
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NO SCALE
PLAN
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deposited when t h i 1 rot r
Remove sediment en t reac es half the height of fence at is lowest a is
bulge.
causing the fabric to
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Take care to avoid undermining the fence during clean out.
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After the contributing drainage area has been std re d
stabilized, move the fence and sediment deposits,
bring the disturbed area to grade, and stabilize.
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Purpose
* To capture sediment at the entrance to a storm drain, allowing full use of the storm drain system
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*
Purpose To retain sediment from small, sloping disturbed areas by reducing the velocity of sheet flow.
Silt fence by deposition, by filtration. Common
Fence sags or collapses- because drainage area was too large, too much sediment accumulated be-
(Exhibit 3.52 A)
during the construction period.
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12" M 12" MIN.
\� MIN.
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(Exhibit 3.74-A) (NOTE: captures sediment ponding water to allow not Al-
though the practice usually works best in conjunction with ter b r
g P Y J temporary assns, traps, o diversions, t:OnCernS
it can be sufficient) effective to be used alone. A silt fence is not recommended for use as a di-
Y 3.74
fore cleanout, approach slope was too steep, or the fence was not adequately supported.
Fence undercut or blown out at the bottom by excessive runof%- because the fence bottom was not
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\\ " " \ \� UNDISTURBED
\/ 1$ MAX. 1$ MAX
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PAVEMENT WIDTH 5
(Exhibit -G)
version; oar is it to be used across a stream, channel, or anywhere that concentrated flaw is antici-
buried at all in the trench was not backfilled with cum earth or gravel, the
properly po Pacted i m
fence was installed on excessive slope, or the fence was located across a drainageway.
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Baxter � SET
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Fence overtopped-bemuse
Aped- because the sediment storage area was inadequate, no provision was made for
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safe bypass of storm flow, or the fence was located across a drainageway.
Erosion occurs around end of fence - because the fence terminated at an elevation below the top of
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the sediment storage pool, the fence terminated in an unstabilized area, or the fence was in-
stalled on excessive slope.
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Dense soil layers exposed by excavation or caused by equipment compaction -- -cause difficulty in
driving wooden posts to sufficient depth; solve by using steel posts.`r
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CONCRETE PLUG
BATH ENDS
410 North U.S. 31
W h i to l and , l n d i a n a 4 618 4
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0 ° ° o HAUNCHING
Phone No. 1 (317) 535 -4094
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Fax No. 1 317 535 -3012
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Email: inf @
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ExhEbit 3.1i2 -A. A fabric drop inlet protection.
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Requirements Contributing drainage area: 1 acre mvcimum.
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.ate
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Bc 4 OR 4"
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Fi'� v.L ..•, ""'k}k'?+':'L� .fps,
S Capacity: Runoff from a 2 yr. frequency, 24-hr. duration storm event entering storm drain with-
-B
(Exhibits 3 2 j
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out bypass flow.
Fabric materlai: Geatextile fabric for filtration.
HAND OR MECHANICALLY TAMPED CLASS I OR 11 MATERIALS
DUCTILE IRON CARRIER PIPE
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seightoffabric: Ito l�ztt, measured from top ofintet
Approach: Pool area Sat (less than 1% slope) with sediment storage of 945 c fUacre disturbed
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INSIDE WELDED STEEL CASING
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Stability: Structure must �d 1 /z ft head of water and sediment without collapsing or under-
PLACED IN 6 LAYERS TO 12 OVER THE TOP OF PIPE UNLESS OTHERWISE
� PIPE. (SEE SPECIFICATIONS }
"WALKED
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NOTED CLASS I MATERIALS ONLY MAY BE IN" IN 6" LAYERS.
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Exhibit 3.74-10.. This silt fence protects the street from sediment. The last section of fence is angled toward
the vacant fat to prevent runoff from bypassing the fence.
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support posts: steel fence posts or 2 x 2 -in. or 2 x 4-in• hard wood posts, 3 ft minimum length„ 3
R maximum spacing; top frame support recommended. Cross bracing tops of posts to opposite
CLASS 11 MATERIALS SHALL BE C 0 M PACTED TO A MINIMUM 85
corners greatly strengthens support.
PERCENT STANDARD PROCTOR DENSITY.
TRANSITION FITTING (DUCTILE IRON TO
Requirements Drainage area: Limited to 1/4 acre per 100 ft of fence; further restricted by slope steepness (see
(Exhibits 3.74 B Exhibit 3.74-B).
and Q Location: Fence nearly level, approximately following the land contour, and at least 101 from we
of slope to provide a broad, shallow sediment pool.
Trench: 8 in. minimum depth, flat -bottom or V-shaped, fillesd with compacted soil or gravel to
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at4 in wood frame Compacted fill
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overtbwlevel sat = sorb}
STANDARD METHOD
MAIN LINE SEWER MATERIAL
TYPICAL BOTH SIDES
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"may
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bury lower portion of support wire and/or fence fabric.
hardwood
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W = MAXIMUM ALLOWABLE TRENCH WIDTH FOR PIPE AS PER ASTM
BORE AND JACK DETAIL
Support posts: 2 x 2 -in. posts (if used) or steel fence posts set at least 1 ft. deep.* (steel
pasts should have projections for fastening fabric.)
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Spacing of posts: 8 ft. maximum if fence supported by wire,
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NOT TO EXCEED FOUR (4) FEET FOR 6" HROUG
THROUGH 24 PIPE
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NOR SIX (6) FEET FOR 27 THROUGH 48 PIPE.
N O SCALE
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6 ft. for extra- strength fabric without wire backing. Exhibit 3.7443. Maximurn Land
sl and Distance forWhicha
Fence height- Hi coos sod th of impounded water o
enough depth
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`j Buried fabric
pa
Sift Fence is Applicable.
does not exceed Ii/z t. at any point along fence line.
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D -PIPE DIAMETER (INTERNAL)
pp (optional):
Support wire option 14 gauge, 6 -in. mesh wire fence Max. distance
(needed if using standard - strength fabric). Land slope above fence
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Exhibit ss2•B. a frame and Installation tabrlc•
Bc = PiPE DIAMETER (EXTERNAL)
1.4
Installation 1. To prevent runoff from bypassing the inlet, set the top of the fabric at Least 6 in. below the down-
(Exhtbtt 3.S2 slope ground elevation, OR build a temporary dike (compacted to 6 in. higher than the fabric) on
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Fence fabric: Woven or non -woven geotextile fabric with
° " ,. 7�.L;-.� :;
specified filtering efficiency and tensile strength (see Ex- Less than 2/° 100 R =
NOTES:
WELDED STEEL CASING PIPE
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hibit 3.74- and containing UV inhibitors and stabilizers 2 to 5 /0 75 ft.
C) g
to ensure 6 -mo, minimum life at temperatures 0 °- 120°F. 5 to 10% 50 ft.
10 to 20% 25 ft
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the law side ofiheiniet(s�eeEaiiibit3.S2 -C}.
2. Cut the fabric from a single raft to eliminate joints. (Provide at least 2 R. of overlap if a joint is
needed.)
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1. CLASS B BEDDING STOPS AT A POINT 12 ABOVE THE TOP OF THE PIPE.
BACKFiLLING ABOVE THIS POINT SHALL BE COMPACTED EARTH BACKFILL
* Some commercial silt fences cane ready to imtall, with support pons at. More than 20% 15 ft.
these
Exhibit 3.74•ti. Concentrated flow and excessive drainage area caused th silt fences to tail.
3. Bury the bottom of the fabric at least 1 #f. deep, badM, and compact. the backfill (see Exhibit
3.52-
UNLESS UNDER ASPHALT PAVEMENT TO BE COMPACTED GRANULAR MATERIAL
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Cached and requiring no wire support
4. Space the support evenly against the inlet 3 tZ drive
FENCE CONSTRUCTION (see Exhibit 3.74-E):
posts perimeter a maximum of apart, and
them about 1'h R into the ground. (Overflow must fall directly into the inlet and not on unpro-
AS PER NOTE # 2
`tea
Eathibits. 74• C. SpadticaiionsMinimurnstorSiitFenreFabrk.
1. Along the entire intended fence line, dig an $-in. deep flat-bottomed or V-shaped trench.
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"B"
2. On the downslope side of the trench, drive the wood or steel support posts at least 1 ft. into the
2. COMPACTED GRANULAR MATERIAL SHALL BE BORROW IN ACCORDANCE
Physical property Waver fabric Non -woven fabric
Filtering efficiency 85% 85%
ground (the deeper the better!), spacing them no more than 8 ft. apart if the fence is supported by
wire or 6 ft. if extra - strength fabric is used without support wire. Adjust spacing, if necessary, to
y _. -� ,ed dfeto
r.- / -- -. p by-pass flow
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WiTH THE LATEST REVISION OF THE INDIANA STATE HIGHWAY COMMISSION
STAN DAR D SPECIFICATIONS.
CARRIER PIPE (6" DUCTILE
Tensile strength at
20% elongation:
ensure that posts are set at the low points along the fence line. (NOTE: If the fence has re-at-
p
tached posts or stakes, drive them deep enough so the fabric is satisfactorily in the trench as de-
le
inlatpratatdicn,
.-- ---- -- - `
DEDICATED FIRE RISER)
in step
WORK FALLING
Standard strength 30lbs./linear in. 50 lbsAinear in.
scribed
Into �m� -� - �-,-ww �
3. UNDER THE JURISDICTION OF THE INDIANA STATE HIGHWAY
Extra strength 50 lbs•/linear in. 701bsJiinear in.
Slurry flowrate 0.3 gat./minJsq•ft• 4.5 gat. /min. /sq.ft
wire
3: Fasten extending ire in. into the ranch. hirer recommends its use) to the ugstape side of the
posts, extendingit8in into the trench.
4. Run length fabric in front the
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COMMISSION SHALL UTILIZE COMPACTED GRANULAR BACKFILL MATERIAL FOR
INITIAL AND FINAL BACKFILL ANYWHERE WITHIN 12 FEET OF THE EDGE OF
Water flow rate 15 gal. /min. /sq.#t. 220 gWJmin. /sq.ft.
a continuous of geotextile (upslope) of support wire and posts,
low in fence line.
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SECTION B -- B
UV resistance 70% 85%
avoiding joints, particularly at points the
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PAVEMENT. OTHERWISE, COMPACTED GRANULAR BACKFILL MATERIAL SHALL
e
Outlet (optional). To allow for safe storm flow bypass with -out overtopping fence (see Exhibit
5. If a joint is atom ft nail the overlap to the nearest post with lath (see Exhibit 4 in. j,
6. Place the bottom 1 ft of fabric in the 8 -in. deep trench, extending the remaining 4 in. toward the
upstage side.
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0 N LY B E USED UNDER PAVEMENT SURFACES O R OTHER SPECIFICALLY
DESIGNATED AREAS.
Job No.:
.
Date,
3.74 -D). Placed along fence line to limit water depth to 1%z ft. maximum; crest 1 ft. high maxi-
mum; weir width --4 ft. maximum; splash pad -5 ft. wide, 5 ft. long, l fL thick minimum.
7• Backfill the trench with compacted earth or gravel.
NOTE: using a pre -packed cemrnercial silt fence rather than constructing one, follow mans-
- '��- � ,. �
07019
June 26, 2007
�ff
factmer s installation instructions.
Drawn By:
Checked By:
Scale:
Installation SITE PREPARATION: Support wire
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FIRST CLASS PIPE LAYING MMOD FOR
{Exhibits 3.74-D, I, Plan for the fence to be at least 10 ft. from the toe of the slope to provide a sediment storages area
E, and F) 2. Provide amass to the area if sediment eleanout will be needed.
Filter fabric
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FLEXIBLE I B L.G CON DU i� (PVC, RPVCAB.7
JSP
tab
VARIES
CAD FILE:
OUTLET CONSTRUCTION (OPTiONAL),(see Exhibit 3.74 -D):
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& HDPE PIPE)
I, Determine the appropriate location for a reinforced, stabilized bypass flow outlet (unless the
ti►. slope Compacted deep (min.) ' '4 ---- -• 14 in. ..,_...,
--,�`
NO SCALE DEPTH OF
c :`07019 \DEMO do NEW.DWG
fence is designed to retain all runoff from a 2 yr. frequency, 24 -hr. duration storm event).
2. set the outlet elevation so that water depth cannot exceed IV2 ft. at the lowest point along the
fence Tine.
3. Locate the outlet weir support n m a
a are than t} and install a horizontal brace
tween them (Weir heft haul no more than than 1 R and r d
height ,
orate depth no more than 1 /s ft.
_ soil
I ��l� , -:t� Its A !1-=!u u i i111=
ill =u i }!J= '`' : -11 =1N> =1 Wire Sin. =1ll till -i +
J sin. rain, ill but t-= i1 -!
�' I 8 in. I W I I - - ` t=
' �i (11 min III VI l li 1 t ) 11
r p =lQil ! t11- -'-
= iTji1 -( ) ' ' . �= =--►lt
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+�uscz c. l evar� b rpa*s ��wwithatemporarY d redowrt$t�pa °fttieir>,aG
COVER
AUTHORIZED
BY ENGINEER
EMBANKMENT OR WOOD BLOCKING (BANDED
TO PIPE TO P R EVENT F
FILL LL CO N D ITI O N FLOATATION)
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* Inspect the fabric barrier after storm events, and make needed immediately.
Maintenance repairs y,
sediment the pool area to storage for the ext damaging
e storm., Avoid nor
anywhere else along the fence.)
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-
remove provide
the fabric during sediment
t removal.
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4, Excavate the foundation for the outlet splash pad to minimums of 1 R. deep, 5 ft, wide, and 5 ft.
y �I1t11 =1 :It 1111= t►t�lllr `list
' -- li i � I! N ' _ �
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When the contributing drainage area has been stabilized, remove and properly dispose of aII con.
MIN. CLEARANCE OF 6" FROM T HE
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long level
4 in.' 1I --�1 V-trench with gravel
struction material and sediment, grade the area to the elevation of the top of the inlet, then stabil-
•
No.
out grade.
ize
SEAL ENDS
OUTSIDE F THE CARRIER PIPE
700309
5. Fill the excavated foundation with IIMOT CA No. 1 stone, being careful that the finished sur-
face blends with the surrounding area, allowing no overfall.
6. stabilize the area around the pad.
Exhibit 3J4-E. Detailed example of silt fence Installation {showing flat - bottom and V- shaped trenches).
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WiTH DOUBLE
BRICK AND
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Common Posts and fabric not supported at the top -- results in collapse of the structure.
concerns Fabric not properly buried at bottom -- results in undercutting.
MORTAR
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Top of fabric barrier set too higb - results in the flow bypassing the storm inlet or collapsing the
structure.
1.a0' 3.00' 1.aa'
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JOIN i ,c:F .rx�y« s. s !Mi
Temporary dike below drop loll not maintained-results in the flow bypassing the storm inlet
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Sediment not removed from pool--results in inadequate store a volume for the next eq
xt storm.
Fence not erected against drop inlet - results in erosion and undercutting.
Land slope at storm drain too steep - results in high Sow velocity, poor trapping efficiency, and in.
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Date Stamped:
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adequate storage volume; excavation of the sediment storage area may be necessary.
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June 26, 2007
THIS DRAWING IS THE PROPERTY OF
5 BARS 1 -O" O.C.
FILL WITH
SAND CEMENT
BAXTER & SET ENGINEERING, INC.
CELLULAR
GROUT CARRIER PIPE
AND IS NOT TO BE USED FOR ANY
X a,
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12 STEEL CASING PIPE
OTHER PURPOSE THAN THE PROJECT
CONCRETE SWALE SECTION
DESCRIBED HEREIN.
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Exhibit 3.T4 -F. Detail of a sift fence joint.
SCALE: 1/2"= 1 -0
BORE JACK DETAIL
SHEET TITLE:
Maintenance
* Inspect the silt fence periodically and after each storm event.
N . i . S
* If fence fabric tears, starts to decompose, or in any way becomes ineffective, replace the affected
Exhibit 3.74-0. overflow weir for a sift fence outlet.
portion immediately.
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