Section 605.309  Retirement Unit Account 309 Supply Mains

a)         Items

Aqueduct

Air chamber

Blow-off or overflow

Bridge or culvert

Canal

Conduit

Crossing, special construction for railway, highway, creek, river and bridge

Electrolysis control equipment

Gate

Gatehouse

Gauge or recorder

Main, any two or more continuous standard lengths of pipe, including fittings

Manhole

Meter

Meter house

Pressure regulator

Surge tank

Tunnel

Valve

Valve vault

b)         Include any applicable unit not specifically listed in subsection (a).

c)         "Mains" shall include pipe, fittings, specials, joints, pavement cut and replaced, tunnelling, excavation and backfill, shoring and bracing and protection of openings (also include permits, etc.)