Wafer butterfly valve 4 in sprinkler

What’s in this rate

This unit is installing one 4-inch wafer-style butterfly valve on fire-protection piping. The sprinkler fitter aligns the wafer body between flanges, installs gaskets and through-bolts, checks disc travel, and leaves it ready for supervision. The rate is per each 4-inch wafer butterfly; OS&Y gate, lug butterfly, alarm check, and zone control assemblies are separate units.

Build-up

Labor 1.75 hr × $70.00 wage and burden

$122.50

Material and small tools

$293.10

Direct rate (labor, material, and tools)

$415.60 / EA

Overhead 10% of direct

$41.56

Fee 10% of (direct and overhead)

$45.72

Loaded rate

$502.88 / EA

Related rates

• OS&Y gate valve 4 in sprinkler — $849.54 / EA
• Alarm check valve wet system — $1,554.97 / EA
• Swing check valve sprinkler — $389.74 / EA

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