Exhibit F- Irrigation Specifications and Requirements.pdf

Exhibit F – Irrigation Specifications and Requirements ITB No.: C007087 Project: Landscape Maintenance Services

SECTION 1. IRRIGATION MAINTENANCE AND OPERATING REQUIREMENTS

1.1 All hydraulic components excluding controllers and Cluster Control Unit maintenance shall be the responsibility of the Contractor. Any irrigation problems identified by the Owner or Contractor involving sprinklers out of adjustment, malfunctioning valves, broken heads and/or lines, etc., shall be repaired or adjusted immediately with the same size, manufacturer, and model as originally installed and shall follow Central Florida Tourism Oversight District’s Irrigation Specification (Exhibit C). Any modification to the irrigation system shall be submitted in writing for Owner's approval. Approval will be returned to Contractor in writing. If the original request is not satisfactory to the Owner an alternate plan may be requested. A detailed sketch for record documents shall also be supplied to the Owner prior to work commencing.

1.2 Irrigation control will be maintained and operated by Owner. The following guidelines will be adhered to:

A. Normal irrigation will only run between 4 p.m. and 10 a.m. unless system is being inspected for proper coverage and/or repairs and is being monitored during said time.

B. No manual operation of any valve will be allowed without prior approval from Owner.

C. All irrigation run times will be automatically calculated based on daily weather conditions.

D. Contractor shall repair/replace any damage to main lines 4” or less, ball valves, and control valves.

E. Contractor shall repair/replace any damage to lateral lines, & sprinkler heads. All irrigation mainline repairs shall be inspected by Owner’s Representative.

F. Any irrigation mainline break 6” or larger, isolation/gate valves, or any mainlines deeper than 4’

(requiring shoring) caused by anyone other than the Contractor shall not be included in the base bid.

However, the Owner may elect to have the Contractor perform the repairs upon receipt of a lump sum proposal to perform the work or may direct the Contractor to proceed on a time and material basis.

G. All irrigation repairs to be performed within 24 hours unless pre-approved by Owner.

H. Irrigation system will be PM’d by Contractor each week to ensure proper operation of system.

I. Battery valves are prohibited unless directed by Owner and only on a temporary base.

J. Owner will supply all parts needed for mainline repairs from mainline to the valve, including the valve.

Contractor shall provide all other supplies needed for repairs such as pipe, glue, tape, duck butter, etc.

for completion of repair.

K. Contractor is responsible for all parts necessary for repairs outbound of the valve including rebuilding valve as needed. Contractor shall submit to Owner a weekly inspection report outlining the status of the irrigation system. Contractor shall perform monthly audits with owner in random areas across property to ensure the irrigation systems performance.

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1.3 It is the intention of the Owner to operate all irrigation within the guidelines established by the South Florida Water Management District and/or the St. John's Water Management District and follow those requests that are more stringent without sacrificing the quality of the landscape.

SECTION 2. IRRIGATION MATERIAL AND INSTALLATION SPECIFICATIONS

2.1 Irrigation Materials: The list below is designed to direct Contractor as to the proper materials and practices required to provide required maintenance on Central Florida Tourism Oversight District irrigation.

A. Sprinkler Head Assembly:

1. 6” Spray head assembly is to consist of one (1) Rainbird 1806SAMPRS spray head on a swing joint assembly consisting of two (2), ½” marlex (MS412-005) on both ends of a 6”sch 80 nipple

(506PVCN).

2. 12” Spray head assembly is to consist of one (1) Rainbird 1812SAMPRS spray head on a swing joint assembly consisting of two (2), ½” marlex (MS412-005) on both ends of a 12”sch 80 nipple

(5012PVCN).

3. 6” Rotor head assembly is to consist of one (1) Rainbird 5006+PCSAMR rotor head on a swing joint assembly consisting of two (2), ¾” marlex (MS412-007) on both ends of a 6”sch 80 nipple

(756PVCN).

4. 12” Rotor head assembly is to consist of one (1) Rainbird 5012+PCSAMR rotor head on a swing joint assembly consisting of two (2), ¾” marlex (MS412-007) on both ends of a 12”sch 80 nipple

(7512PVCN).

B. Plastic Pipe and Fittings:

1. All pipe shall bear the following markings: Manufacturer's name, nominal pipe size, schedule or class, pressure rating in psi, and date of extrusion.

2. All buried irrigation water pipe, both pressure mainline and lateral lines shall be purple color pigmented PVC pipe.

3. Pipe: Class 200, (Class 315 for ½” pipe only) PVC plastic except as noted below. ASTMD1785-06, Type I, Grade I with solvent welded joints for non-pressure lateral line pipe and main line 2 ½” and smaller.

4. Pipe: Schedule 40, PVC plastic, ASTM D1785-06, Type I, Grade I, with solvent welded joints for pressure main line pipe for sizes 2 ½” and smaller. i. ii. Use schedule 40 pipe for lateral piping under paving. Sleeves shall be Schedule 40 for 3” and smaller, Class 200 for 4” and larger. Solvent weld joints. Sleeves shall be 2x the nominal size of the pipe within the sleeve up to and including 4”. For pipe 6” and larger, sleeve shall be two pipe sizes larger.

5. Pipe: Class 200, PVC plastic, ASTM D1785-06, Type I, Grade I with rubber gasketed bell and spigot connections for size 3 in. and larger. The insertion mark shall be visible to show proper depth into spigot. Thrust blocks shall be installed in accord with manufacturer’s recommendations.

6. Fittings: Schedule 40, PVC plastic; socket type, ASTM D2466-06, Type I, Grade I for size 3in. and smaller.

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i. Use Schedule 80 threaded fittings where threaded fittings are indicated; Type I, Grade I, ASTM D2464, for pressure pipe unless details specify brass pipe or fittings.

ii. Fittings shall bear manufacturer's name or trademark, material designation, size, and applicable I.P.S. schedule.

iii. Glue socket type, for pipe sizes 3 in. and smaller, as well as, 1 ½ in. and smaller main line: Schedule 40, PVC plastic, Type I, Grade I, ASTM D2464.

7. Joints

i. Solvent weld joints to be made in a three step process: clean, prime and solvent cement in accordance with manufacturer’s instructions.

1. Cleaner shall be NSF approved as manufactured by IPS Corporation, or Owner approved equal.

2. Primer shall meet ASTM F656-02, NSF approved as manufactured by IPS Corporation, or Owner approved equal. Combination cleaner/primer products are not permitted.

3. Solvent cement shall meet ASTM D2564-04e1, NSF approved. Cement shall be labeled for use on PVC and flex pipe as manufactured by IPS Corporation (Weld-On 737) or Owner approved equal.

ii. Threaded joints to be made using PTFE tape per fitting manufacturer’s instructions. Pipe dope or paste is not to be used on any irrigation piping component.

8. Fittings for main line piping 2 in. and larger

i. Shall have restrained service/swivel tees:

ii. All bends, reducers, plugs and the opposite side of tee branches shall be bell-end ductile iron fittings for PVC pipe.

9. Fittings shall be manufactured of ductile iron, grade 70-55-05 in accord with ASTMA536- 84(2004). Fittings shall have deep bell push-on joints with gaskets meeting ASTMF477-02e1.

Fittings shall be HARCO DEEP BELL by The Harrington Corp. of Lynchburg, VA, Tel: (804) 845- 7094, or Owner approved equivalent.

10. J. Thrust Blocks

i. Standard concrete mix in accord with ASTM C150, ASTM C33, and ASTM C94 with a compressive strength of 3000 psi. after 28 days.

C. Valve and Pull/Splice Boxes:

1. Products

i. Mainline manual gate valves, air/vacuum relief valves, and low volume control valve assemblies shall be Jumbo box part #190106, by Highline Products, for green lid and part #190122 by Highline Products for purple lid

ii. Quick coupling valve and grounding rods and approved wire splice locations shall be 10 inch round box, part # 181104 by Highline Products for green lid and part # 181113 by Highline Products for purple lid.

iii. Electric control valves shall be Standard box, part # 170106, by Highline Products for green lid, and part # 170131, by Highline Products for purple lid.

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iv. All Highline Products box lids shall have 04 part # 143020, by Highline Products and washer screw, part # 143004 by Highline Products to provide detection. Install per manufacturer’s recommendations.

v. Control wire, communication cable, and flow sensor cable pull box/splice box shall be Carson assembly part # 1419-12-4.

2. Gravel all boxes after valve installation.

3. Valve box to be supported with four (4) bricks, one on each corner, for rectangle boxes and two

(2) bricks, opposite each other, for round boxes.

4. Do not paint valve and pull/splice boxes.

D. Valves:

1. Irrigation Control Valves i. Irrigation valves to be Rainbird PESB valve with 3M DBR/Y-6 wire connectors, PRSDIAL pressure regulator, and Christy identification tag.

2. Ball Valves :

i. True Union ball valve with threaded Stainless steel reinforced ends or approved equivalent that includes the following options:

1. Heavy bodied PVC construction with 236 psi min. pressure rating.

2. PTFE ball seats.

3. EPDM high grade abrasion resistant O-rings.

4. NSF listed for potable water.

5. Stainless Steel reinforced

E. Wire Connections:

1. A. Make wire splices using 3M DBR/Y-6 for three wires and Paige DB144 for four or more wires.

All products to be UL-listed for underground splicing.

2. B. Use a continuous wire between controller and remote control valves. Do not use wire splices without prior approval by Owner. Install each approved splice in Highline Products valve box.

F. Sleeves:

1. A. Schedule 40 PVC for applications requiring 3 inch dia and smaller.

2. B. Class 200 PVC for applications 4 inch dia. and larger; type I, grade I; solvent weld.

3. C. All sleeves shall be sized 2 times the diameter of the protected pipe run for all pipe under 6 inch diameter or 2 pipe sizes larger for pipe runs 6 inch and larger.

i. Maximum of one pipe per sleeve unless approved by Owner.

ii. Wires to be in a separate sleeve/conduit from piping.

G. Valve Identification Tags:

1. A. Identification tags to be Christy brand purple tags with “Non potable water for irrigation use” on one side and zone information on reverse side. Part number ID-MAX-PB

H. Supplemental Tree Irrigation:

1. A. Spray emitters, emitter tubing, and fittings for supplemental tree irrigation:

i. Q11700 – Red staked.

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ii. Q1010036 – 36 in. transfer tubing.

iii. Q10900DE – 360 – 24 stream x down spray deflector.

1. Install with down spray deflector in operational position.

i. QN80012 – Blue nozzle

1. Polyethylene tubing manufactured for application.

2. Filtration: Water shall be filtered using a 75 micron (200 mesh, .008 in. opening) or finer perforated filter. Do not use disc filters. Filter size shall be adequate but shall not significantly restrict flow.

3. Pressure regulation: Water pressure at the emitter shall not exceed 30 psi or be less than 20 psi.

I. Dripline Irrigation System:

1. Tubing: Tubing shall be Rainbird XFD Dripline, brown in color, nominal flow of 0.9 GPH,12 in.

emitter spacing.

2. Fittings: Fittings to be Rainbird Easy Fit Compression Fittings (MDCF series).

3. Filter: Rainbird quick check basket filter 200 mesh (QKCHK100) to be used on drip zones. One

(1) filter for 1” valves and two (2) filters for 1.5” and 2” valves.

4. Air/Vacuum relief valve: Rainbird Air/Vacuum Relief Valve (ARV050) to be installed below grade at the highest elevation within each zone. Install the valve in an exhaust header on a line that runs perpendicular to the lateral rows to ensure all rows of the dripline can take advantage of the air/vacuum relief valve.

5. Flushing valve: Netafim Techline Automatic Flush Valve (TLFV-1) to be installed at hydraulic termination point (or points) in each system. Install valve horizontally level and below grade.

Prior to replacement of flush valve, flush entire system to remove any dirt and sediment.

6. Indicator: Rainbird drip system operation indicator installed near valve (part number OPERIND).