Water Based System Layout Level 72 Questions And Answers
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Terms in this set
72
Hydraulic Method
CTWD = (AOP DD OVF ) + HSD )
AOP = Area of operation or design area
DD = Density demand in GPM/Sqft ( water flow )
ovf = Overage factor ( assume it to be 1.1 )
HSD- Hose Stream Demand
AOP = Area of operation or design area
DD = Density demand in GPM/Sqft ( water flow )
ovf = Overage factor ( assume it to be 1.1 )
HSD- Hose Stream Demand
12 inches
The minimum distance Upright Control Mode Sprinkler shall be located above the Centerline of the pipe for pipe greater than 4 inch nominal in diameter ?
8 Foot
The minimum distance ESFR sprinklers can be spaced apart.
NFPA 291
Class AA Hydrant RATED: 1500gpm
Standard Color: Light Blue
Class AA Hydrant RATED: 1500gpm
Standard Color: Light Blue
Rated 1500gpm
NFPA 291
What psi pilot readings should you avoid?
What psi pilot readings should you avoid?
30 psi
Bid Bond
Submitted with the Bid and guarantees the contractor can bond the contract
Surety Bond
Guarantees payment on another party's obligations to meet all terms in the contract
NFPA 291 Big Mains / Strong System How many hydrants need to flow?
7-8 Hydrants
NFPA 291
Small Main / Weak System How many hydrants need to flow ?
Small Main / Weak System How many hydrants need to flow ?
1-2 Hydrants
Performance Bond
Guarantees that the contractor will perform all the work in accordance with the contract documents.