DSA Fire Flow Requirements for California Schools: Appendix BB and GL-1 Explained
DSA GL-1, IR A-8, 1500 GPM minimum, thrust block requirements, riser location rules for K-12.
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SWPPP Requirements in California: What the CGP Requires and How to Stay Compliant
Master CGP Order 2022-0057-DWQ: RUSLE risk levels, BMP selection, QSP/QSD roles, and monitoring.
RUSLE Risk Level Calculation for SWPPP: Step-by-Step with Real Numbers
R, K, LS, C, P factors with California data, erosivity index thresholds, risk-level tiers.
How to Size a Fire Service Main: Hydraulic Calculations from Meter to Hydrant
Available vs. required flow, Hazen-Williams friction loss, meter sizing, backflow loss, PRV requirements.
EPAnet Fire Flow Modeling: How Hydraulic Models Are Built and Validated
Step-by-step EPAnet setup: node geometry, demand allocation, C-factor calibration, fire flow validation.
Fire Flow Study Methodology: From Flow Test to Fire Department Approval
NFPA 291 flow test, C-factor selection, ISO fire flow calculations, AHJ submission requirements.