section cover page section 32 31 00 2018-08-15 chain link fencing this master specification section contains: .1 this cover sheet

Section Cover Page
Section 32 31 00
2018-08-15 Chain Link Fencing
This Master Specification Section contains:
.1 This Cover Sheet
.2 Specification Section Text:
1. General
1.1 Reference Documents
1.2 Detail Drawings
1.3 Delviery, Storage and Handling
2. Products
2.1 Standards
2.2 Materials
2.3 Components
3. Execution
3.1 Installation
.3 Detail Drawings:
32 31 00.01 Gate Set‑Back Detail
32 31 00.02 Standard Chain Link Fence
32 31 00.03 Typical Chain Link Pedestrian Gate
32 31 00.04 Typical Chain Link Vehicle Gate
1. General
1.1 REFERENCE DOCUMENTS
.1 American Society for Testing and Materials (ASTM):
.1
ASTM A53 / A53M - 12
Standard Specification for Pipe, Steel, Black and Hot-Dipped,
Zinc-Coated, Welded and Seamless
.2 Canadian General Standards Board (CGSB):
.1
CAN/CGSB‑138.1‑96
Fabric for Chain Link Fence.
.1
CAN/CGSB‑138.2‑96
Steel Framework for Steel Fence.
.1
CAN/CGSB‑138.3‑96
Installation for Chain Link Fence.
1.2 DETAIL DRAWINGS
.1 Following detail drawings are appended hereto and form part of this
Section.
Number Title
32 31 00.01 Gate Set‑Back Detail
32 31 00.02 Standard Chain Link Fence
32 31 00.03 Typical Chain Link Pedestrian Gate
32 31 00.04 Typical Chain Link Vehicle Gate
1.3 Delivery, Storage and Handling
.1 Separate waste materials for [reuse] [and] [recycling] in
accordance with Section 01 74 19 – Waste Management and Disposal.
2. Products
2.1 STANDARDS
.1 Steel Pipe to ASTM A53.
.2 Chain Link Fabric to CAN2‑138.1.
.3 Fence, Chain Link, Frame Work, Zinc‑Coated, Steel to CAN2‑138.2.
.4 Fence, Chain Link Installation to CAN2‑138.3.
2.2 MATERIALS
.1 Pipe: Steel butt weld, Schedule 40, hot dip galvanized to 550 g/m2
coating.
.2 Mesh Wire: [Galvanized steel wire hot‑dipped galvanized to 490 g/m2]
[Galvanized steel wire hot‑dipped galvanized to 90 g/m2] and
polyvinylchloride coated to [0.560] [0.380] mm thickness.
.3 Concrete: [Sulphate resistant] [Normal] Portland cement, 20 MPa @
28 days, 50 mm to 80 mm slump, 20 mm aggregate, 6% air entrainment.
2.3 COMPONENTS
.1 Line Posts: [48 mm O.D.,4.05 kg/m] [60 mm O.D., 5.43 kg/m].
.2 Corner, Terminal and Straining posts: [60 mm O.D., 5.43 kg/m] [73
mm O.D., 8.62 kg/m] [89 mm O.D., 11.28 kg/m].
.3 Gate Posts: [89 mm O.D., 11.28 kg/m] [114 mm O.D., 16.06 kg/m] [168
mm O.D., 28.23 kg/m].
.4 Top and Brace Rail: [33 mm O.D., 2.51 kg/m] [42 mm O.D., 3.38 kg/m]
plain end, sleeve coupled.
.5 Gate Frame: 42 mm O.D., 3.38 kg/m. Gate leaves to have horizontal
and vertical intermediate brace on gate leaves 3.0 m wide and over.
.6 Post Caps: Cast aluminum, sized to post diameter, set screw
retained.
.7 Extension Arms: Cast aluminum to accommodate 3 strands of barbed
wire, [vertical] [sloped 45°], top strand 300 mm from fence fabric].
.8 Line Post Eye tops: Cast aluminum.
.9 Rail Ends: Cast aluminum.
.10 Fittings: Sleeves, bands, clips, tension bars, fasteners and
fittings galvanized steel.
.11 Fabric: 50 mm diamond mesh, interwoven 3.5 mm wire, top selvage
twisted tight, bottom selvage knuckle end closed.
.12 Bottom tension Wire: 3.0 mm steel single strand hot‑dipped
galvanized to 490 g/m2
.13 Barbed Wire: 2.5 mm wire, three strands, four point barbs at 150
mm on centre, zinc coated steel.
.14 Single Gate Hardware: 2 piece [drop] [lift] latch and latch catch.
Gate hinge 180° male and female [hardware for padlock] [chain hold
open].
.15 Double Gate Hardware: Gate centre rest, [2 piece [drop] [lift]
latch and latch catch with foot bolt] [3 piece drop latch and latch
catch with drop bolt]. Gate hinge 180° male and female [[Hardware for
padlock] [chain hold open] [gate keeper post and ground latch stop]].
.16 Sliding Gates: 48 mm O.D., 4.05 kg/m for top, bottom and upright
members and 42 mm O.D., 3.38 kg/m for horizontal and diagonal members.
Free‑operating roller assembly.
3. Execution
3.1 INSTALLATION
.1 Install to alignment specified, line posts, corner posts, gate
posts and top rails to provide rigid structure for [ ] [1.2 m] [1.8 m]
high fabric and gates.
.2 Maximum spacing of posts: 3.0 m on centre
.3 Install line and corner posts plumb.
.4 Set posts in cylindrical cast-in-place concrete footings sized as
follows:
Location
Depth
Diameter
Fence height up to 1.2 m:
Line posts
Gate and corner posts
900 mm
1000 mm
250 mm
300 mm
Fence height 1.2 to 1.8 m:
Line posts
Gate and corner posts
1000 mm
1200 mm
250 mm
300 mm
.5 Set posts to within 150 mm from bottom of concrete footing.
.6 Set top of concrete footing 50 mm above finished grade. Slope top
of footing to ensure water run off.
.7 Position bottom of fabric 50 mm above finished grade with tension
wire stretched taut between posts.
.8 Align top of posts to ensure that top rail varies gradually with
changes in ground elevations.
.9 Pass top rail through line post tops to form continuous bracing.
Install 150 mm long couplings mid‑span at pipe ends.
.10 Brace each gate and corner post back to adjacent line post with
horizontal centre brace rail. Install brace rail, one bay from corner
and gate posts.
.11 Install 10 mm steel truss rod and truss tightener diagonally from
top of gate post back to adjacent line post.
SPEC NOTE: Specify truss rod and tightener where gate leaves are 3.0 m
wide and over or for gate leaves for 1.8 m high and over fence.
.11 Fasten fabric to top rail, line posts, braces and bottom tension
wire with 3.5 mm wire ties maximum 500 mm centres.
.12 Attach fabric to corner and gate posts with tension bars and
tension bar clips. Stretch fabric between posts at intervals of 30.0 m
maximum.
.13 Install straining post at 90 m approximately.
.14 Install 3 strands of barbed wire on arms, tensioned and secured.
Slope extension arms for barb wire [inward] [outward.
.15 Install gates of sizes shown using fabric [and vertical extension
arms] to match fence. Install 3 hinges per leaf and hardware
specified.
.16 Provide concrete centre rest and drop bolt retainers at centre of
double gate openings.
.17 Install sway brace units on gate posts where gate leaves are 4.9 m
and over in width.
END OF SECTION
TS Technical Specification
Alberta Infrastructure
Technical Specification System
Page 0

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