Attachment 2-607-2-chain-link-fence_ada.pdf
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- Fence, Remove and Install
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- 1331L526BarbFence
About this file
This is a standard technical specification document for chain link fence construction issued by the Colorado Department of Transportation (CDOT). The document provides detailed design standards, material requirements, and installation specifications for chain link fence systems used in transportation projects.
The specification covers fence construction using 2-inch mesh, No. 9 gauge galvanized or aluminum-coated wire fabric conforming to AASHTD M 181 and ASTM F 626 standards. Fence heights range from 36 to 144 inches, with fabric available in multiple standard sizes. Steel posts, rails, and gate frames must conform to AASHTD M 181 Type 1, Grade 1 or Grade 2. Contractors may choose between ordinary pipe or high-strength alternative pipe per Federal Specification RR-F-191/3C. Tension wire systems include continuous wire between end or corner posts with turnbuckles for tightening. Concrete footings must be Class B concrete with lightweight aggregate per AASHTD M 195. Grounding systems are required at all electric transmission/distribution/secondary line crossings and at maximum 500-foot intervals, using minimum ½-inch diameter, 8-foot long rods driven 7.5 feet into ground and connected with No. 8 AWG stranded copper wire; grounding costs are included in fence pricing. The specification details post spacing (10-foot maximum), line brace sections (400-foot maximum intervals), gate configurations (walk gates, single gates, and double gates), fabric attachment methods (12-inch vertical and 20-inch horizontal intervals), and wire fastener requirements. Additional specifications address fabric selvage treatment, post materials and dimensions, concrete base depths and diameters, rail splicing, bracing systems, and termination at bridges and structures.
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i------- 10' MAX.------<~-10' MAX., ALL POST SPACING----, CORNER GENERAL NOTESLINEBRACE END POST -.., ROUND PIPE .... ROLL-FORMED POST POST IBAND * LINE IPOST STEEL 1LINE POST I. AT EACH LOCATION WHERE AN ELECTRIC TRANSMISSION, DISTRIBUTION, DR SECONDARYI
LINE CROSSES A FENCE, THE CONTRACTOR SHALL FURNISH AND INSTALL A GROUND
CONFORMING TD ARTICLE 250 OF THE NATIONAL ELECTRIC CODE. A GROUND SHALL
ALSO BE INSTALLED A MAXIMUM OF EVERY 500 FT. ALONG THE FENCE. THE GROUNDEi {.,A ROD SHALL BE A MINIMUM DIAMETER OF ½ IN. AND 8 FT. IN LENGTH, AND DRIVENFABRIC 11 GA.* AT LEAST 7½ FT. INTO THE GROUND. THE ROD SHALL BE CONNECTED TD EACHHEIGHT WIRE FASTENERS * WIRE WITH A MINIMUM AWG ND. 8 STRANDED COPPER WIRE. GROUNDING WILL NOT BEH 9 GA.* PAID FOR SEPARATELY BUT SHALL BE INCLUDED IN THE COST OF THE FENCE.
7 GA. HOG RINGS Q 2. H(HEIGHT OF FABRIC) SHALL BE AS SHOWN ON THE PLANS. FABRIC IS AVALIABLE H TENSION IN THE FOLLOWING HEIGHTS: 36 IN., 42 IN., 48 IN., 60 IN., 72 IN., 84 IN., 96 IN., WIRE 108 IN., 120 IN., AND 144 IN.
3. CHAIN LINK FENCE SHALL CONFORM TD AASHTD M 181.
4. CHAIN LINK FABRIC SHALL BE 2 IN. MESH ND. 9 GAGE GALVANIZED
DR ALUMINUM COATED WIRE SECURELY FASTENED TD TENSION WIRE, LINE POSTS,
RAILS, BRACES AND STRETCHER BARS SPACED AS SHOWN HEREON. WIRE FASTENERS3" MAX. 12" DIA. --- 4" MAX. AND TIE CLIPS SHALL BE ND. 11 GAGE (W&M) GALVANIZED STEEL WIRECONCRETE BASES DR ND. 7 GAGE (B&S) ALUMINUM WIRE, AND HOG RINGS SHALL BE ND. 9 GAGE,(SEE TABLE ON SHEET 2
ALL IN CONFORMANCE WITH ASTM F 626.FOR DEPTH.) I
5. STEEL POSTS, RAILS AND GATE FRAMES SHALL CONFORM TD AASHTD M 181 TYPE 1,FENCE WITH TOP RAIL (USE □ NL y AT SPECIAL LOCATIONS BEYOND CLEAR ZONE WHEN THE TOP RAIL IS SPECIFIED ON PLANS) LEGEND
GRADE 1 DR GRADE 2.
* ATTACH FABRIC TO ALL FENCE & GATE
6. AT THE CONTRACTOR'S OPTION, PIPE USED FOR FENCE CONSTRUCTION SHALLSTRUCTURES AT 12 IN. INTERVALS
END LINE * CONFORM TD THE DIMENSIONS AND WEIGHTS FDR EITHER "ORDINARY PIPE" DRVERTICALLY AND AT 20 IN. HORIZONTALLY.POST POST-I 45_\ 4" "ALTERNATIVE PIPE" AS SHOWN ON SHEET 2. "ALTERNATIVE PIPE" SHALL BE HIGH* CASE I. TO KEEP INSIDERS IN, TIGHTENER OR TURNBUCKLE SYMBOL, STRENGTH STEEL PIPE CONFORMING TD FEDERAL SPECIFICATION RR-F-191/3C.~t:1::==::::=::::=::::=::::=======~It::=::::',j_ 4" 12" SLOPE TOP IN 45° (SEE DETAILS ON SHEETS 2 AND 3).
7. TENSION WIRE SHALL BE CONTINUOUS BETWEEN END DR CORNER POST AND LINE.,......,:;:;:;;~~.t.TREAT~-~====J~~ti;)}I .... TYPE OF LINE POST (ROUND PIPE OR ROLL-FORMED STEEL) BRACE POST. A TURNBUCKLE OR OTHER APPROVED TIGHTENING DEVICE SHALL BECORNER THIS * CASE 2. TO KEEP OUTSIDERS OUT, SHALL BE AT THE OPTION OF THE CONTRACTOR USED FOR EACH CONTINUOUS SPAN OF TENSION WIRE.WAY OR LIKE THE SLOPE TOP OUT 45° TOP RAIL TENSION UNLESS OTHERWISE SHOWN ON THE PLANS.END POST SHOWN BARBED WIRE OVER GATES 8. TENSION WIRE SHALL CONFORM TD AASHTD M 181.WIRE
ON THE LEFT SHALL NOT BE SLOPED + BRACE RAIL IS NOT REQUIRED FOR 36 IN., 42 IN., OR 48 IN. 9. CONCRETE FOOTINGS SHALL HAVE TOPS CROWNED AT GROUND LEVEL AND SHALL FABRIC HEIGHTS. BRACE RAIL FOR FENCE WITH ROLL-FORMEDBARBED WIRE TOP (USE □ NL Y WHEN SPECIFIED ON PLANS) BE CLASS B.CONCRETE WITH LIGHTWEIGHT AGGREGATE CONFORMING TD STEEL ELEMENTS IS 12 IN. BELOW THE TOP RAIL, (SEE SHEET 3). AASHTD M 195, MAY BE SUBSTITUTED.
10. TERMINATION OF FENCE AT BRIDGES DR OTHER STRUCTURES SHALL BE AS SHOWNl------20' LINE BRACE SECTION, REQUIRED AT 400 FT. MAX. INTERVALS-----J10' MAX., ALL POST SPACING ON THE PLANS.
LINE I POST LINE BRACE POST LIN~ POSTLINE POST LINE POST 11. CHAIN LINK FABRIC UP TO 5 FT. HIGH SHALL BE KNUCKLED AT THE TOP AND
BOTTOM SELVAGES. FABRIC OVER 5 FT. HIGH SHALL BE TWISTED AND BARBED
ON THE TOP SELVAGE AND KNUCKLED ON THE BOTTOM SELVAGE.
12. FENCE MAY BE CONSTRUCTED WITH EITHER ROUND PIPE DR ROLL-FORMED STEEL
* 11 GA. COMPONENTS. THE CONTRACTOR SHALL STATE AT THE PRECDNSTRUCTIDN CONFERENCE, WIRE THE TYPE OF CONSTRUCTION AND TYPE OF LINE POST TD BE USED THROUGHOUT
FASTENERS THE PROJECT.
13. THE CONTRACTOR SHALL BE RESPONSIBLE FDR RE-ESTABLISHING DISTURBED
9 GA. DR DESTROYED SURVEY MONUMENTS TD THE APPROPRIATE ACCURACY
HOG RINGS IN ACCORDANCE WITH SUBSECTION 625.08 OF THE STAND ARD SPECIFICATIONS.
(TOP AND BOTTOM)
7 GA.
TENSION DROP ROD
WIRE 13/s" DIA x 6"FENCE WITH TOP TENSION WIRE STRAIN
POST _ __,_~-51 MAX -.j'---.._
~------• LATCH HINGE
STRETCHER
LATCH 11.l<XX.X.XXXXXX)I ~~§~§;dr~ _l BAR
12'
12"HORIZONTAL FORK
BRACE RAIL TENSION BANDS
AND 3/s" DIA. AND STRETCHER
TRUSS ROD BAR AT EACH :JFOR GATES SIDE, (TYPICAL
5' OR WIDER FOR ALL GATES
SHOWN)HINGE HINGE
I 1 12" DIA. x 12" DEEPEND 1----3' THRU 6' -----l 1. 6' THRU 23' _____, !----- 6' THRU 23', EACH GATE ------POST
WALK GATE SINGLE GATE DOUBLE GATE TYPICAL DROP ROD ASSEMBLY
Com uter File Information
CR-X >
CH)
CR-X)
(R-X)
Sheet Revisions Colorado Department of Transportation 2829 West Howard Place ~ COOT HO, 3rd Floor
~ Denver, CO 80204 ~ Phone: 303-757-9021 FAX: 303-757-9868
Project Development Branch JBK
CHAIN LINK
FENCE
STANDARD PLAN NO.
Creation Date: 07/31/19 Date: Comments
M-607-2Designer Initials: JBK 1-----+------------1 Last Modification Date: 07/31/19 Standard Sheet No. 1 of 3 Detailer Initials: LT A t----+-------------1 Issued by the Project Development Branch: July 31, 2019 Project Sheet Number:CAD Ver.: MicroStation VB Scale: Not to Scale Units: English
MAY BE PLAIN FENCE MATERIAL
DR ORNAMENTAL
FABRIC END,CDRNER AND LINE POSTS TOP & BRACE RAILSHEIGHT LINE BRACE POSTS
ROLL- ROUND ROLL- ROLL-ROUND I ROUND I
GATE PORTION H PIPE FORMED PIPE FORMED PIPE FORMED
I.D. STEEL I.D. STEEL l.D. STEELOF HINGE I
FEET INCHES INCHES INCHES
~ _________ -~ __ AT MANUFACTURER'S 3 THRU 6 I 3.5 X 3.5 1.5 1.875 X 1.625 1.25 11.25 X 1.6252.5> 6 THRU 8 2.5 3.5 X 3.5 2.0 1 1.875 X 1.625 1.25 1.25 X 1.625 I n I OPTIONCAP ALL OPEN > 8 THRU 12 2.5 3.5 X 3.5 2.0 2.250 X 1.625 1.25 1.25 X 1.625
1/4" BAR 12 GAGEPIPE TOPS FOLD FABRIC
1::::,. CONCRETE BASEHEIGHTI"'-.,g, Rt/----l(--~--l(------l(-----J(-----lf--~--l(-----f. H DEPTH I DIA. DEPTH I DIA.
<r:,· FEET INCHES INCHES 4" GATE FRAME 3 THRU 4 34 12 1228 ICONSTRUCTED WIT > 4 THRU 12 40 12I 12 40~ STANDARD PLUM~ llt -+------'1,,---------l(--~--l(------l(-----J(-----lf--~---//• ¥.-+---lf-t-----lf-l!-------:f- 6 ALL POSTS 3 IN CLEAR FROM BOTTOM OF CONCRETE BASE
<r:,· 45° FIXTURES
4" ORDINARY PIPE GATE MATERIAL< NOMINAL WALL STRAIN POST I::::,. CONCRETE BASEO.D. WEIGHT GATE FRAME4" I.D. THICK. ROLL-WIDTH ROUND INCHES LB/FT DEPTH DIA.l.D. FORMEDRECTANGLE FOR 1.25 1.660 0.140 2.27
ROLL-FORMED RAIL. FEET INCHES INCHES
~-- 1.50 1.900 0.145 2.72
3 THRU 6 2.5 3.5 X 3.5 36 12
2.00 2.375 0.154 3.65 ---> 6 THRU 13 3.5 42 12
---2.50 2.875 0.203 5.79 > 13 THRU 18 6.0 48 18
---3.00 3.500 0.216 7.58 > 18 THRU 23 8.0 48 24
1¾" INSIDE DIAMETER FOR ROUND RAIL, GATE FRAMES & HINGE 3.50 4.000 0.226 9.11POST TOPS 21/a" FOR ROLL-FORMED RAIL. GATE FRAME FRAME PIPE I BRACING PIPE4.00 4.500 0.237 10.79
WIDTH HEIGHT I.D. I.D.5.00 5.563 0.258 14.62 I I
FEET INCHES6.00 6.625 0.280 18.97
¾" x 14 GA. 8.00 8.625 0.322 28.55 3 THRU 8 I 3 THRU 6 1.25 1.25
¾" x 12 GA. > 8 THRU 23 6 1.50 1.25
> 8 THRU 23 > 6 THRU 12 1.50 I 1.50
OFFSET ALTERNATIVE PIPEAT END ¾" DIA.
TIP TURNBUCKLEPOSTS STRAI ROLL-FORMED STEELNOMINAL WALLO.D. WEIGHTSIZE OF HOLE IS TIP I.D. THICK.
SIZE THICK. WEIGHTT------1---- ¾" X ½" (TYP.) INCHES LB/FT PART
FDR ALL BANDS SHOWN 1.25 1.660 0.111 1.836 INCHES GAGE LB/FT¾" DIA.BANDS 1.50 1.900 0.120 2.281 TOP & BRACE RAILS 1.250 X 1.625 14 2.08HOLE
2.00 2.375 0.130 3.117 LINE POST (H: 3FT - 6FT) 1.875 X 1.625 12 2.75
2.50 2.875 0.160 4.640 LINE POST (H: > 6FT - 8FT) 1.875 X 1.625 11 3.36
RAIL ENDS LINE POST (H: > 8FT - 12FT) 2.250 X 1.625 11 4.02
END,CDRNER & 3.50 X 3.50 10 7.59LINE BRACE POSTS
USE AT EACH MILL CUT (APPROX. 21 FT.)BRACEtAND TRUSS
OF TOP RAIL ~ BANDS ROLL-FORMED TOP RAIL REQUIRES A
SPLICE INSERT (SEE SHEET 3)
0 \~- ~
¾" DIA. HOOK :J \~-~ \
FOR USE WITHOUT
A BOLT THRU ~~ \
EXTRA HOLE
USE 716" x 11/4"
CARRIAGE BDLTS
FOR ALL BANDS
SHOWN - CRIMP MINIMUM DROP ROD IS OPTIONAL,.-c:;::;
,.-c:;::; 1/a" DEEP IF GATE FRAMES EXTEND
¾" DIA. HOOK DOWN TD CENTER REST.
FOR USE WITH USE LATCH SHOWN FOR
A BOLT THRU WALK DR SINGLE GATE.
EXTRA HOLE 1¾" INSIDE DIA. x 17 GA.
(BANDS TD BE RECTANGULAR FOR ROLL-FORMED STEEL POSTS) GALVANIZED TUBE DETAIL A
BANDS, RAIL ENDS & TIGHTENERS (DIMENSIONS SHOWN ARE MINIMUMS) TYPICAL CENTER RESTRAIL SPLICE
Com uter File Information Sheet Revisions Colorado Department of Transportation Date: Comments 2829 West Howard Place
CR-X) 1-------,1---------------1 ~ COOT HO, 3rd Floor CH) ~ Denver, CO 80204
1-------,1---------------1 ~ Phone: 303-757-9021 FAX: 303-757-9868
CR-X)
CR-X> --------------1 Project Development Branch JBK
CHAIN LINK
FENCE
STANDARD PLAN NO.
Creation Date: 07/31/19
M-607-2Designer Initials: JBK
Last Modification Date: 07/31/19 Standard Sheet No. 2 of3 Detailer Initials: LT A
Issued by the Project Development Branch: July 31, 2019 Project Sheet Number:CAD Ver.: MicroStation V8 Scale: Not to Scale Units: English
1"
CONNECTOR PLATE
1/a"
CONNECTOR (D
PLATE
CORNER POST CD
TREATMENT 1
---- I I
1-i ✓ I
I ' I I-1 ✓ _____....., ' 10'-0" LINE
~ TYPICAL POST
I
1_1 ✓ I
END
POST
LINE SPACINGCORNER
POST POST
KEY TO DETAILS EVERY 20" HORIZDNTALLY ON
TOP RAIL FDR ENTIRE LENGTH
TWO 7'16" DIA. HOLES
FOR TWO ½" DIA. x 1/4"1
MACHINE BDL TS
TORQUE BAR ®
ALSO USEEND POST (D AT BOTTOM
TREATMENT OF KNEE BARBED KNUCKLEDBRACE
SELVAGE ® SELVAGE ®
ALTERNATIVE, USE □ NL Y WHEN
CALLED FOR ON THE PLANS
--B I" MAX
TENSION WIRE OVERALL
(AND KNEE BRACE) BRACE RAIL BOLT
LENGTH_l__ALTERNATIVE FOR TOP RAIL
SINGLE FABRIC
ELEMENT !7fo"
3¾"
± CTRS.
MAX.
¾" DIA. EYEBDLT
J 12"
LINE POST
¾" DIA. CARRIAGE BDLT
TIGHTENER DR
TURNBUCKLE
SECTION B-B
¾" DIA. TRUSS ROD, HOOKED TYPICAL BRACING (J)END POST OR CORNER POST co TD NOTCH NEAR BOTTOM OF POST.
10 GAGE ROLL-FORMED STEEL, 5.10 LB. PER LINEAR FT. ®
Com uter File Information Sheet Revisions Colorado Department of Transportation Creation Date: 07/31/19 Date: Comments ~ 2829 West Howard Place Designer Initials: JBK CR-X) COOT HO, 3rd Floor81-----+------------1 Last Modification Date: 07/31/19 CH) ~ Denver, CO 80204
~ Phone: 303-757-9021 FAX: 303-757-9868 Detailer Initials: LT A CR-X) CAD Ver.: MicroStation VB Scale: Not to Scale Units: English ( R-X) ---------------1 Project Development Branch JBK
OF INSTALLATION.
WIRE
FASTENER@)
EVERY 12" VERTICALLY,
ON LINE POST
TIE CLIP @
RAIL (SHOWING CORNER ASSEMBLY) Q)
14 GAGE ROLL-FORMED STEEL, 20 FT. LENGTHS, 1.40 LB. PER LIN. FT.
RAIL
SPLICE
INSERT
RAIL,
STOPPED
BY FLAP
c., t§
7fo" FLAP, EACH SIDE, ALTERNATE DIRECTIONS.
VIEW C RAIL SPLICE INSERT @
TWO TORQUE BARS
RAIL
p
PLAN VIEW TYPICAL END,CDRNER DR
LINE BRACE FOR
DETAIL A
FENCE WITH TENSION
WIRED TOP
7" LONGER
72" 70"~t i''
/ __ 011
THAN BRACE RAIL
LINE
POST
LINE BRACE (ONE HALF SHOWN) @
400 FT. INTERVALS
CHAIN LINK
FENCE
Issued by the Project Development Branch: July 31, 2019
STANDARD PLAN NO.
M-607-2
Standard Sheet No. 3 of3 Project Sheet Number:
File details come from the government source that posted it. Updated .