Standard Specifications

Palmdale Water District Standard Specifications for Water Distribution System Construction

The complete “Palmdale Water District Official Standard Specifications for Water Distribution System Construction” document is available here for download. Hard copies can be purchased at the District’s main office for a fee of $10. The PDF files below are a web representation of the official document minus the Standard Drawings.

Click the section headings below to download a specific section of the specification document or download the document in full.

SECTION 1 – General Provisions
Contents Include:
Supplementary Specifications
Definition of Terms
Inspection of Work
Plans Submitted by Private Engineers
Easement Document Requirements
Compliance with Laws and Regulations
Protection of Persons and Property
Public Notice
Materials and Workmanship
Project Clean-up
Final Completion
Equal Opportunity
Trench Shoring and Sheeting
Preservation of Monuments
Dust Control
Shop Drawings
Contract Bonds

SECTION 2- Pipeline Materials
Contents Include:
Cement Mortar Lined and Coated Steel Pipe
Ductile Iron Pipe
Polyvinyl Chloride (PVC) Pipe

SECTION 3 – Valves, Fire Hydrants, and Appurtenances
Contents Include:
Gate Valves
Check Valves
Plug Valves
Butterfly Valves
Combination Air and Vacuum Valve Assemblies and Blow-off Assemblies
Fire Hydrant Assemblies
Location of Appurtenances
Valve Boxes and Covers
Flexible Couplings
Compound Meters
Flange Insulation Kits

SECTION 4 – Pipeline Installation
Contents Include:
Shop Drawings
Control of Water
Location of Existing Facilities
Depth of Pipe
Changes in Line and Grade
Handling and Storing Materials
Installing Pipe
Foundation Rock
Protective Coatings
Shop Painting
Anchor and Thrust Blocks
Hydrostatic Tests
Disinfection of Water Mains and Services
Excavation of Pipeline Trench
Fire Hydrants
Connections to Existing Water Lines
Hot Tapping of Existing Water Lines

SECTION 5 – Service Lines
Contents Include:
Locations of Service Lines
Corporation Stops and Angle Stops
Copper Tubing
Connections to Asbestos-Cement Mains
Connections to Cement Mortar Lined and Coated Steel Mains
Connections to Polyvinyl Chloride (PVC) Mains
Connections to Ductile Iron Mains
Water Meters
Pressure Regulators
Cross Connection Protection

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