Exhibit G_Irrigation System Component Standards.docx

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Attached to
Irrigation System Maintenance & Service at Austin State Hospital (ASH)
Solicitation number
HHS0017509V2
Issued by
Texas

About this file

This is an Exhibit G document detailing irrigation system component standards for the Irrigation System Maintenance & Service contract at Austin State Hospital (ASH) in Texas. The document specifies required maintenance and repair standards for all irrigation components, mandating conformance to HCP 32 8400, approved submittals, as-built conditions, and manufacturer requirements. The contract encompasses multiple system components including Hunter ACC2 large-commercial decoder-based controllers with two-wire command path to ICD series decoders, Hunter ICV series valves, Hunter ICD decoders, Netafim Techline dripline with pressure-compensating emitters and check valves, Rain Bird drip system operation indicators, Hunter PROS-06-PRS50 spray bodies with MSBN-50H stream bubbler nozzles for exterior tree zones only, and Wilkins 950 Double Check Assembly backflow prevention devices at each of the 11 interior courtyard points of connection to the domestic cold-water supply. The contract requires that any failed, damaged, leaking, improperly adjusted, or declining components be repaired or replaced using approved brand-specific parts only.

The document requires annual testing and certification of backflow prevention assemblies by a licensed BPAT in accordance with 30 TAC 290.44(h). Soil and mulch restoration work shall utilize Whittlesey Landscape Mix soil and Texas Hardwood Mulch for disturbed irrigation work areas unless written substitution approval is issued by the ASH Representative or Design Professional. All maintenance work must maintain proper operation, sealing, accessibility, communication integrity, and grounding standards according to manufacturer requirements and specifications outlined in the contract documentation.

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Exhibit G – Irrigation System Component Standards All irrigation maintenance and repair shall conform to HCP 32 8400, approved submittals, as-built conditions, and manufacturer requirements. Any component found failed, damaged, leaking, improperly adjusted, or in decline shall be repaired or replaced.

1. Controllers Hunter ACC2 large-commercial decoder-based controller with two-wire command path to ICD series decoders, and Rain Bird controllers in courtyards per as-built documents. Maintain correct operation, programming accuracy, decoder communication integrity, enclosure integrity, and manufacturer-required service standards. Repair or replace failed components using approved brand-specific parts only.

2. Valves Hunter ICV series valves. Maintain proper operation, sealing, and accessibility.

3. Decoders and Control Wiring Hunter ICD decoders. Maintain decoder communication, grounding, and surge protection. Repair or replace failed components with approved materials only.

4. Dripline Netafim Techline with pressure-compensating emitters and check valves. Flush and maintain per manufacturer requirements. Repair damaged sections promptly using approved brand-specific parts.

5. Indicators Rain Bird drip system operation indicators. Confirm operation during service inspections. Repair or replace failed units.

6. Spray Bodies and Bubblers Hunter PROS-06-PRS50 spray bodies with MSBN-50H stream bubbler nozzles. EXTERIOR tree zones ONLY (2 bubblers per tree). No bubblers are installed inside any of the 11 interior courtyards. Maintain proper height, plumb, and function.

7. Backflow Prevention Wilkins 950 Double Check Assembly (DCA) at each courtyard point of connection (POC) to domestic cold-water supply. Each courtyard POC assembly includes a DCA, ball valve, wye filter, and master valve. Annual testing and certification shall be performed by a licensed BPAT as required by 30 TAC §290.44(h).

8. Soil and Mulch Restoration Whittlesey Landscape Mix soil and Texas Hardwood Mulch shall be used where restoration of disturbed irrigation work areas requires replacement of approved site materials, unless written substitution approval has been issued by the ASH Representative or Design Professional.

File details come from the government source that posted it. Updated .