Attch 6 Base Design Standard (Backflow Prevention).pdf
PDF 600 KB Posted
- Attached to
- CES Boiler Maintenance Federal contract opportunity
- Solicitation number
- FA462020R0003
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| Amendment 0004 Update Combo.pdf | ||
| FA462020R0003 Combo RFP (REV 1).pdf | ||
| Attch 1 Performance Work Statement (REV 1).pdf | ||
| Amendment 0003 Answers.pdf | ||
| Attch 5 Past Performance Questionnaire (REV 1).pdf | ||
| Amendment 0002.pdf | ||
| Amendment 0001.pdf | ||
| FA462020R0003 Combo RFP - Boiler Maintenance.pdf | ||
| Attch 4 Pricing Schedule.xlsx | XLSX spreadsheet | |
| Attch 3 OPSEC Measures.pdf | ||
| Attch 5 Past Performance Questionnaire.pdf | ||
| Attch 2 Wage Determination.pdf | ||
| Attch 1 Performance Work Statement.pdf |
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Text version
7DIVISION 22 – PLUMBING
SECTION 220000 – GENERAL REQUIREMENTS
DATA SHEET
SECTION 220000 – GENERAL REQUIREMENTS
A. BACKFLOW PREVENTION
1. Backflow assemblies are required at the water service entrance to buildings. Internal backflow assemblies are required at boiler make-up connections and any other location where the source of potential contamination through cross-connections is present. Specify the appropriate level of protection for the level of hazard.
2. All backflow prevention assemblies shall be manufactured by Febco or Wilkins and shall, at time of installation, reside on the current publication of Washington State Department of Health – Division of Environmental Health – Office of Drinking Water’s Publication 331-137, Backflow Prevention Assemblies Approved for Installation in Washington State.
B. CATHODIC PROTECTION
1. See Section 264200 for cathodic protection Requirements.
C. WELDING
1. See Section 013520, Paragraph B.2 for welding requirements.
D. PIPING
1. Do not specify grooved pipe and fittings for domestic water systems.
2. If copper piping is specified on hot or cold domestic water lines, Type L copper piping shall be used.
3. Isolation valves shall be provided for each domestic water line serving, or returning from, each bathroom in a facility and each individual dormitory style rooms; or the lines serving, or returning from, a common bathroom/kitchen in dormitory style housing.
4. Domestic water line isolation valves 2” and under shall be full port ball valves.
E. WATERLESS URINALS
1. When specifying waterless urinals, require cartridge-less models. Basis of design shall be wall-hung, vitreous china, manufactured by ZeroFlush Inc. or approved equal.
F. AUTOMATED FLUSH VALVES
1. Hard wired automatic flush valves shall be installed on all urinals and water closets in restrooms in customer service, administrative and other high-use public areas. Flush valves shall be SLOAN 186-1-ES-S Optima Flush Valve for urinals”, SLOAN Model 111-ES-S Optima Flush Valve for water closets, or equal. Connect the number of flush valves to transformer per manufacturer’s recommendations (typically up to 10 flush valves). Chrome finish is required on all installed automatic flush values. No battery operated automatic flush valves shall be used.
G. AUTOMATED FAUCETS
1. Hard wired automatic faucets shall be installed on all sinks in restrooms in customer service, administrative and other high-use public areas. The required finish for all faucets is chrome. No battery operated automatic faucets shall be used.
FA462020R0003
Attachment 6
BDS (Backflow Prevention)
File details come from the government source that posted it. Updated .