FencingSpec.docx

Specifications:

General:

1. Documents: The Pinellas County Schools Bidding Requirements and Contractual Conditions and General Requirements shall apply to all work. Comply with Federal, State, Local and other duly constituted authorities and regulatory agencies without additional cost to the Owner in matters pertaining to codes and safety.

2. Scope:

a. Work required under this Section consists of providing all necessary services, tools, equipment, material, and labor required to furnish and install all chain link fence work as indicated on the Drawings.

b. Work shall be done in accordance with best industry standards by an installer experienced in such work.

c. Work shall comply with Chain Link Fence Manufacturers Institute (CLFMI) Products Manual. 3. Submittals:

a. Manufacturer's data:

1) Submit five (5) copies of manufacturer's technical information, catalog cuts, and manufacturer's installation instructions.

2) Show all details, fittings, and dimensions. Show bracing technique. Show in plan and elevation complete fence layout, height, gates, posts, rails, frames and other items.

4. Product delivery and Storage:

a. Deliver material to Site undamaged and store in a manner to protect from damage. Damaged or deteriorated material shall be removed from the Site and replaced at no expense to the Owner.

5. Installation: Installation of fence shall be in accordance with ASTM F 567, and with the following:

a. Post spacing shall be spaced a maximum of 10'0"o.c. Terminal spans may be less, to a minimum of 7'0" in order to adjust line spans to even footage.

b. Post foundations (footings) shall be:

1) A minimum of 24” deep plus 3 inches for each increase in fabric height above 4 feet.

2) The diameter of the post foundation shall be four (4) times the post diameter

3) If set into solid rock or concrete, the depth of the post hole shall be three (3) times the diameter of the post and the hole diameter shall be ½ inch greater than the diameter of the post.

4) Gate post foundations shall be in accordance with ASTM F 567.

c. Install in accord with requirements of these Specifications and the Drawings, to best trade practices with CLFMI Product Manual, with ASTM F567, and the manufacturer's recommendations. Where these Specifications and Drawings exceed other requirements, these Specifications and Drawings shall govern.

d. Post holes: Drill or hand excavate holes for posts at a maximum spacing of ten (10) feet c.c., or closer if so, specified on the Drawings. Post hole excavation shall be of the diameter recommended by manufacturer or not less than four (4) times the largest cross section of post, whichever is greater, and to a minimum depth of sixteen (16) inches.

e. Install in a plumb, straight, and true manner, thoroughly anchored and secure.

f. On fences 6'-0" and less in height, no twisted wire barbs shall be turned upward. Fences 6'-0"and under in height shall have "knuckles" which shall occur along the top edge of the fencing fabric. The bottom edge of the fabric may have "knuckles" at the subcontractor's option.

g. Fences around kindergarten and elementary school playgrounds shall have "knuckles" at both the top and bottom edge of the fence fabric -- i.e. -- "double knuckles".

h. All areas to be routinely and daily accessed by students and school or center personnel shall be provided with a minimum of one (1) each 3'-0" wide gate. All fenced areas with grass or other plantings shall be provided with one (1) each 10’ vehicle access gate.

i. Interior fence work support: Attach to building structure as detailed on Drawings.

j. Exterior fence work support: Begin with an end post as close to buildings as possible. If a gap larger than 6" occurs, it must be closed (in an acceptable manner) by this Fence work Subcontractor attaching to both the building and the first end post.

k. Posts: Hot dip galvanized (after fabrication) tubular steel posts conforming to ASTM F 669.

1) Line posts:

a. For fences 6'-0" high and shorter: 2" o.d., weighing 2.72 plf.

b. For fences or backstop heights between 6'-0" up to and including 10'-0": 2-1/2" o.d. weighing 3.65 plf.

c. For fences or backstop heights between 10'-0" up to and including 12'-0": 3" o.d. weighing 5.79 plf.

d. For fences or backstop heights higher than 12'-0": 4" o.d., weighing 9.10 plf.

2) End and corner posts:

a. For fences up to and including 6'-0" high: 3" o.d., weighing 5.79 plf.

b. For fences taller than 6'-0": Match post sizes to line post sizes specified above.

3) Gatepost:

a. Gateposts shall, in no event, be smaller than the end and corner posts.

b. Otherwise, for gates up to 3'-6" wide: 3" o.d.

c. And, for gates wider than 3"-6"-10’ wide: 4” o.d.

d. Gates wider than 10’-6” o.d.

6. Bracing - Horizontal brace rails shall be provided on each terminal, corner and gate post and shall extend from these posts to the first adjacent line post. Diagonal brace (truss) rods shall extend back to the terminal, corner, or gate post and shall be furnished with a tightener or turnbuckle.

a. No brace is required for fabric heights 6 feet or less where a top rail is used.

b. On all fabric heights greater than 6 feet, a brace rail is required, even if a top rail is used:

1) When a top rail is used, attach the brace at the halfway point above grade.

2) When a top rail is not used, attach the brace at the two-thirds point above grade.

3) Pull posts shall be used as breaks in vertical grades of 15” and at approximately 330-foot centers except that this maximum may be reduced on curves where the degree of curvature is greater than 3°. Pull posts shall be braced in both directions.

1. All materials shall be as described and conform to the specifications referenced below:

a. Fabric wire: Furnish one-piece fabric widths for fencing, of 2" mesh, 9 gauge (only), hot dipped galvanized after weaving to produce zinc coating not less in weight than 1.4 oz. per square foot of bare uncoated wire (capable of standing 6 one minute dips by Preece test as set forth in ASTM A-392 Class 2 standards). Wire in completed fabric shall be capable of withstanding tensile strength test of 85,000 psi and meeting ASTM A-392.

American Society for Testing and Measurements (ASTM):

A 121 – Metallic Coated Steel Barbless Wire A 392 – Zinc – Coated Steel Chain Link Fence Fabric A 491 – Aluminum-Coated Steel Chain Link Fence Fabric A 824 – Metallic Coated Steel Mar celled Tension Wire for use with Chain Link Fence.

F 567 – Installation of Chain Link Fence F 626 – Fence Fittings F 668 – Polyvinyl Chloride (PVC) and other Organic Polymer Coated Steel Chain Link Fence Fabric F 900 – Industrial and Commercial Swing Gates F 934 – Standard Colors for Polymer – Coated Chain Link Fence Materials F 1043 – Strength and Protective Coatings on Metal Industrial Chain Link Fence Framework F 1083 – Pipe, Steel, Hot-Dipped Zinc-coated (Galvanized) Welded, for Fence Structures F 1664 – Polyvinyl Chloride (PVC) and other Organic Polymer Coated Steel Tension Wire used with Chain Link Fence F 1665 – Polyvinyl Chloride (PVC) and other Organic Polymer Coated Steel Barbless Wire used with

7. Chain Link Fence Fabric -

a. Galvanized chain link fence fabric shall be zinc-coated steel conforming to the requirements of American Society for Testing and Materials (ASTM) A 392.

1) The coated wire diameter shall be 9-gage (0.148” ± 0.005”).

2) The mesh size of the woven fabric shall be 2” ± 1/8”.

3) If set into solid rock or concrete, the depth of the post hole shall be three (3) times the diameter of the post and the hole diameter shall be ½ inch greater than the diameter of the post.

4) Gate post foundations shall be in accordance with ASTM F 567.

b. height of fences (top of fabric above grade):

3) between baseball, softball, soccer, football, etc. and the spectators: 4'-0" high.

6)Around exterior mechanical equipment: 6'-0".

7) Elsewhere: as shown on Drawings

c. Height of chain-link sports back stops:

1) Baseball: 14'-0" high (unless shown higher on the Drawings).

2) Softball: 10'-0" high (unless otherwise shown on Drawings

8. Framework -

a. Framework shall be round tubular pipe in either of the following types:

1) pipe conforming to the requirements of ASTM specifications F1083 and F1043 coating internal and external, minimum average zinc coating weight 1.8 oz./ft of surface.

2) high strength pipe conforming to the requirements of ASTM specification F1043, heavy Industrial coating and external coating.

3) Framework for PVC coated chain link systems shall be either supplemental PVC coating in accordance with ASTM 1043, or supplemental polyester powder coating in accordance with ASTM F1043. Color shall be in accordance with ASTM F934.

4) Allowable variance for outside diameter (o.d) wall thickness, and weight per foot shall be as required by ASTM specifications F1043 and F1083.

b. Framework shall be of the following dimensions for the corresponding fence height

c. Fittings: Galvanized iron or steel, or mill finish aluminum, to manufacturer's standards. Comply with ASTM F 626.

d. Top rail: 1'-5/8" o.d., hot dipped galvanized (after fabrication) tubular steel, weighing 2.272 plf, averaging not less than twenty (20') foot lengths and joined with extra-long pressed steel sleeves allowing for expansion and contraction.

e. Bracing: 1'-5/8" o.d. hot dipped galvanized (after fabrication) tubular steel weighing 2.272 plf.

9. Gates – Provide gates as specified herein or as required by the Drawings. Provide appropriate hardware and accessories for each gate. Gate frame shall be hot dipped (after fabrication) tubular steel of diameter and weight in keeping with industry standards for gate size, welded at corners to make one, solid unit. See Drawings for gate sizes. Gates shall be diagonally braced against sagging by a minimum of 3/16" (0.45cm) diameter FC 6 X 7 improved plow steel preformed (preset) right lay regular lay wire rope. Wire rope shall be provided with fittings (ferrules, thimbles, clips, stops, turn buckles) of compatible materials.

a. Swing-gate frames shall be fabricated in accordance with ASTM specification F900 using round tubular pipe. For fabric heights 6 foot (ft.) or less-fabricate frames using NPS 1-1/4” (1.660” o.d) Pipe.

b. Hinges: Non-lift-off type, offset to permit 180 deg. gate opening.

c. Latch: Forked type or plunger-bar type to permit operation from either side of gate, with padlock eye as integral part of latch.

d. Miscellaneous fittings: Malleable iron, pressed steel, or aluminum forgings. All ferrous material shall be thoroughly hot dip galvanized after fabrication. Provide all fittings to make fence work complete.

e. Concrete: Comply with requirements of Division Three of these Specifications. Provide 2500 psi minimum compressive strength.

(Note: No barbed wire or similar material is permitted on Pinellas School District construction projects).

1) For fabric height over 6 ft.-fabricate frames using NPS 1-1/2” (1.900” o.d) pipe.

2) Interior bracing, if required, shall be NPS 1-1/4 (1.660” o.d) pipe.

(a) Horizontal bracing is required for frames 5 ft. or higher.

(b)Vertical bracing required for frames 12’ and wider. Vertical braces shall have a maximum spacing of 8 ft.

f. Fabric cover – the fabric used to cover the fence frame shall be the same type and quality as that used on the adjacent fence.

g. Gates with Barbless wire shall have vertical frames to accept three strands of Barbless wire.

h. Gates posts shall be either Type I or Type II round tubular pipe in the following sizes for single swing gates or one leaf of double gates.

i. Rolling gates (none specified)

10. Tension Wire -

a. Metallic coated tension wire

1) Tension wire, top and/or bottom, if required, shall be 7 gauge steel wire.

2) Tension wire shall conform to ASTM A824, Type II, zinc coated, Class 2.

b. PVC coated tension wire

1) Tension wire, top and/or bottom, if required, shall conform to ASTM F 1664.

2) The PVC coating class shall be Class 2a or 2b.

3) The metallic coated core wire shall be either 9 gage (Class 2a coated) or 7 gages (Class 2b coated)

11. Barbless Wire -

a. Metallic coated Barbless wire.

1) Metallic coated Barbless wire shall conform to ASTM A 121.

2) Coating shall be Type Z (zinc coated), Class 3.

b. PVC coated Barbless wire

1) PVC coated Barbless wire shall conform to ASTM F 1665. (Standard).

2) The PVC coating class shall be Class 2a or Class 2b.

3) The metallic coated core wire shall be 14 gage (0.080”) and shall be zinc coated and shall have a zinc coating weight not less than 0.25 oz. /2ft.

12. Miscellaneous Fittings and Accessories -

a. Fabric ties – 9-gauge aluminum alloy wire conforming to ASTM F 626.

b. Other miscellaneous fittings such as post caps, rail ends, brace and tension bands, Barbless wire arms and other fittings as may be necessary to complete the installation, shall be of pressed steel or malleable iron and shall conform to the requirements of ASTM F 626.

13. Vinyl Fencing: (White)

a. Fabric: 48” 6 GA., 2” Mesh KK Extruded PVC

b. Top Rail: 1-5/8” O.D. Spectra SS-40 Pipe, 1.83 lbs. per foot. Top rail 21’ inn length, joined with 1-5/8” vinyl coated sleeve.

c. Line Post: 2” O.D. Spectra SS-40 Pipe, 2.28 lbs. per foot. Line posts set 10’ on center maximum spacing. Concrete footing: 6” diameter, 18” depth.

d. Terminal Post: 2-1/2” O.D. Spectra SS-40 Pipe, 3.12 lbs. per foot.

e. Concrete footing: 6” diameter, 24” depth.

f. Gates: SINGLE SWING GATE: Framework of 1-5/8” Spectra SS-40 pipe, 1.83 lbs per foot. DOUBLE SWING GATE: Framework of 1-5/8” Spectra SS-40 pipe, 1.83 lbs per foot.

Gates braced and trussed as necessary. Same fabric as fence.

g. Gate Post: SINGLE SWING GATE: 2-1/2” O.D. Spectra SS-40 Pipe, 3.12 lbs. per foot. Concrete footing:6” diameter, 24” depth.

h. DOUBLE SWING GATE: 2-1/2” O.D. spectra SS-40 Pipe, 3.12 lbs. per foot.

i. Concrete footing: 6” diameter, 24” depth.

j. Tension Wire: 6 GA. Vinyl Coated Coil Spring Tension Wire attached to bottom of fence fabric with 9 GA.Vinyl coated steel hog ring spaced 24” on center.

k. Fittings: Vinyl coated regular brace band & carriage bolt, vinyl coated combo rail-end, vinyl coated steel loopcap, vinyl coated aluminum cap, 3/16” X ¾” vinyl coated steel tension bar, vinyl coated regular tension band& carriage bolt.

l. Tie Wire: 8-1/2” 9GA. Vinyl steel tie wire spaced 15” on center for line posts & 24” on center for rails.

m. Post Footing: Sakcrete concrete.

14. Handrail, Pedestrian and Bicycle:

The work and materials specified under this Section shall be constructed in accordance with the Florida Department of Transportation (FDOT) Design Standards Index 800 Series for Fencing and Pedestrian Railing as further described in the line items of Group 8.

Standards can be viewed at:

https://www.fdot.gov/design/standardplans/current/24.shtm

Work items include:

a. New - Rail, Steel or Aluminum, Various with Hardware – Includes all hardware, brackets, end caps, and incidentals necessary to install new designated rail. Measured per linear foot.

replacement – Rail, Steel or Aluminum, Various - includes the removal of and disposal of unsalvageable damaged rail and replacement wit new designated rail and includes all necessary hardware. Measured per linear foot.

b. Maintenance of Traffic (MOT) – The Contractor shall be responsible to maintain traffic within the limits of the project for the duration of work in accordance with the requirements of the FDOT Design Standards.

15. Gate Operators:

a. Gate Operator Equipment - Operator’s manufacturers may be, but are not limited to: Viking, Hy- Security, Stanley, B&B, Chamberlain and Automation Corporation.

b. Control Systems & Accessories - may be, but are not limited to: Door-King, IEI-Door-Gard, and EDKO in Ground Loop Detectors, AAID Long Range WEGAN Vehicle ID Readers, EDKO Photocells, DITK Surge Suppressors, Ground Rods and Safety Edge with Receiver & Transmitter.

c. Gate Operator Repairs – The contractor shall be required to respond (on site) within twenty-four (24) hours of notification to perform normal repairs or adjustments.

16. Inspection:

a. This installer shall inspect Site and conditions and do work only when such is suitable for chain link fence work.