Att 3 - SOW Att 2 - Phoenix - stormwater_construction_mgmt_brochure_2023.pdf
PDF 2 MB Posted
- Solicitation number
- 36C77626R0079
About this file
This document is an informational guide on stormwater pollution prevention and construction management best practices issued by the City of Phoenix Water Services Department, Environmental Services Division.
The guide establishes requirements for construction sites in Phoenix to prevent stormwater pollution through Best Management Practices (BMPs). Key pollution prevention measures include: closing paint and chemical containers when inactive or during rain; containing concrete washouts with dirt berms lined with plastic; conducting periodic inspections of BMPs; checking BMPs and inlets after large rain events; replacing or repairing ineffective or damaged BMPs; covering dirt or sand piles; properly storing and disposing of wastes; and training employees and subcontractors on stormwater requirements. The document emphasizes that sediment is the primary pollutant from construction, highlighting the need to protect storm drain inlets and dry wells, minimize erosion through silt fences and straw wattles, stabilize soil piles, lay riprap at site exits, and maintain adequate vegetative cover.
The guide outlines mandatory paperwork requirements for construction projects. All construction must comply with City Code 32C, and projects disturbing one or more acres must obtain coverage under the Arizona Construction General Permit (CGP). Required documentation includes a Storm Water Management Plan (SWMP) per Chapter 32C and a Storm Water Pollution Prevention Plan (SWPPP) per CGP. The CGP requires SWPPP, permit, and contact information be openly displayed at the main entrance. A qualified inspector must conduct regular site inspections with documentation required for CGP compliance. Following construction completion and final soil stabilization, a Notice of Termination (NOT) must be filed. Contact information is provided for stormwater inquiries: ask.water@phoenix.gov, 602-256-3190, or 602-262-1859.
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PREVENTING POLLUTION
All paint or chemical containers must be closed when inactive, after work, or during rain.
All concrete washouts must be contained.
A dirt berm lined with plastic is sufficient.
Conduct periodic inspections to be sure all BMPs are functioning properly and haven’t been compromised.
Check BMPs and inlets after large rain events. Check in with your storm water contact with any questions.
Ineffective or damaged BMPs must be replaced ore repaired.
Cover piles of dirt or sand after use to reduce erosion. Properly store and dispose of wastes.
Train employees and subcontractors about storm water requirements.
Your site must be stabilized before filing for a Notice of Termination (NOT).
CONTACT US
Email: ask.water@phoenix.gov Stormwater Hotline: 602-256-3190 Commercial Hotline: 602-495-7412 Environmental Services Division:
602-262-1859
To report illegal storm drain dumping:
phoenix.gov/stormwater | 602-256-3190
For more information on Cease the Grease or F.O.G. recycling programs:
phoenix.gov/esd | 602-262-7251
For water or sewer emergencies:
602-262-6251 (8am-5pm) 602-261-8000 (Evenings and weekends)
WATER SERVICES DEPARTMENT
ENVIRONMENTAL SERVICES DIVISION
STORMWATER MANAGEMENT SECTION
PHOENIX.GOV/WATER /PHXWATER
PREVENT
STORMWATER
POLLUTION
STORMWATER
AWARENESS
CONSTRUCTION
MANAGEMENT
STORMWATER
POLLUTION
A GUIDE TO CONSTRUCTION
MANAGEMENT BEST
MANAGEMENT PRACTICES
SEDIMENT IS THE
BIGGEST POLLUTANT
Protect inlets to the storm drain system and dry wells from soil and chemicals.
Minimize erosion and sedimentation with Best Management Practices (BMPs) like straw wattles, filter socks, drainage swales, silt fences, etc.
Stabilize inactive soil or sand piles with vegetation, a tarp, or perimeter control.
Lay riprap at exits of site to reduce track out, and sweep up track out when it does occur.
Maintain your BMPs. They should be checked regularly for integrity.
Any paints or chemicals not in use must be covered. Put a lid on it!
LET’S TALK PAPERWORK
Permits: All construction must follow City Code 32C. Projects disturbing one or more acres must also obtain coverage under the Arizona Construction General Permit (CGP).
The City of Phoenix will not issue a Grading and Drainage permit without a state authorization number.
Plan: Chapter 32C requires a Storm Water Management Plan (SWMP) and the CGP requires a Storm Water Pollution Prevention Plan (SWPPP).
Preliminary Meeting: Review SWMP and/ or SWPPP and permit, along with Grading and Drainage plan at site.
Entrance: The CGP requires SWPPP, permit, and contact information be openly displayed at the main entrance of the site.
Field Report: A qualified inspector must inspect the site regularly. City inspectors may inspect the site, and documentation is required for the CGP.
BMPs: They must be installed and maintained per site plan and SWMP/SWPPP.
Control Measures: Ensure construction of control measures per approved plan (e.g.
diversion dikes, drainage swales, silt fences, sediment traps, gravel filter berms, storm drain inlet protection, etc.).
Final: After completion of construction and final stabilization of exposed soil, a Notice of Termination (NOT) is required for CGP.
WHAT’S WRONG
WITH A LITTLE DIRT?
Sediment is the most common pollutant from construction activities.
Soil can clog inlets and pipes, causing flooding, or increase turbidity (clarity) or impede flow of streams.
Water clarity is vital to the health of streams. Plants and aquatic life need sunlight!
When it rains, dirt tracked onto roadways flows into inlets.
The more vegetative cover, the better chances of keeping soil on your site! So minimize disturbed areas and phase construction activities.
PROTECTING STORM DRAINS
NEAR CONSTRUCTION SITES
IS THE LAW!
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