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COACHELLA VALLEY WATER DISTRICT Development Design Checklists

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					                         COACHELLA VALLEY WATER DISTRICT

                               Development Design Checklists


The Coachella Valley Water District (CVWD) provides domestic water, wastewater
(sanitation), non-potable water (reclaimed wastewater and Colorado River water),
irrigation/drainage, stormwater and groundwater management services to a major
portion of the Coachella Valley. CVWD has developed comprehensive requirements for
the planning, design and construction of all facilities related to these services. The
following Development Design Checklists provide the basic requirements for each
service function. More comprehensive design details for each service function are
provided in CVWD’s Instructions to Engineers, Standard Specifications, General Notes
and Plan Check Lists.

General

    CVWD Organization-Development
       Development Services Division-developer’s point of contact---all meetings,
       correspondence, drawings, fees, etc. flow through Development Services
       Engineering Department-review design drawings and specifications for all
       projects, develop and coordinate special agreements, developer’s point of
       contact for specific engineering-related subjects, review and process all right-of-
       way documents, review and process all United State Bureau of Reclamation
       (USBR) documents
       Water Management Division-reviews landscape and irrigation plans to ensure
       compliance with CVWD Ordinance 1302
       Administration-the General Manager may be directly involved in negotiating the
       terms of agreement for large complex projects
    Agreements
       Basic Water and Sewer Agreement-required for all new developments
       Special Agreements-required for water and sewer developments which require
       off-site facilities and all non-potable water, irrigation and stormwater facilities
       All agreements must be consummated by all parties prior to construction
    Fees & Credits
       CVWD’s infrastructure funding is based on the premise that capital expenditure
       for new infrastructure should be funded by new customers
       Developers are responsible for all infrastructure capital costs to serve the
       proposed development
       Development Fees exist for domestic water and wastewater to fund the
       construction of regional facilities (see Fees in these service sections)
       Development Fees for all units are due for each approved phase prior to release
       of the first water meter
       CVWD will credit the Development Fees for the construction of off-site facilities
       and facility upsizing required by CVWD by service function up to the amount of
       the Development Fees

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                         COACHELLA VALLEY WATER DISTRICT

                              Development Design Checklists


    System Ownership/Operation & Maintenance
       CVWD owns all facilities except those owned by the USBR, which includes the
       Coachella Canal, Protective Works (Dikes) and Irrigation Lateral System
       CVWD has perpetual Operation and Maintenance responsibility for the USBR
       facilities
       All new facilities (except USBR facilities) will be transferred to CVWD ownership
       after construction and acceptance by CVWD
    Environmental Documentation
       CEQA-all facilities constructed must have appropriate CEQA documentation
       NEPA-all facilities affecting federal lands must have appropriate NEPA
       documentation
    Right-of-Way
       Right-of-Way (ROW) = fee-owned land or easement
       ROW to CVWD and/or USBR required for all new facilities
       Title Insurance required for all new ROW
       Tract/Parcel Map Review-if CVWD/USBR has an interest (existing or proposed)
       in the property depicted by a tract/parcel map, then CVWD must have an
       opportunity to provide a non-interference determination and approve or object to
       the recording of the tract/parcel map
       CVWD Encroachment Permit (EP)-required for all projects within CVWD/USBR
       ROW
           Permanent EP-required for the permanent use of CVWD ROW and
           permanent use of USBR easement with no interference. CVWD may choose
           to issue an easement in lieu of a permanent EP on CVWD fee-owned land.
           Construction EP-required for each entity installing a facility within CVWD
           ROW and/or USBR easement.
           Temporary EP-required for all temporary uses of CVWD/USBR ROW, e.g.
           potholing, temporary canal water use, etc.
       USBR License-required by each entity impacting USBR fee-owned land
       USBR Consent Agreement-required for all projects that interfere with USBR
       facilities within USBR easements




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                         COACHELLA VALLEY WATER DISTRICT

                               Development Design Checklists



Domestic Water

        Water Supply Assessment (> 500 units)
           CVWD template
           Water demands using SWSC table
        Identify Pressure Zone
        Pipeline Requirements
           Fire flow/hydraulic analysis/modeling dictate pipe size
           18-inch pipe minimum-all frontage
           If <18-inch pipe required-credit difference
           Minimum pressure-60 psi (static) and 20 psi (fire)
           Maximum Velocity
               12-inch & smaller-5 ft/sec
               Cul-de-sac/dead end pipelines-10 ft/sec
           Maximum Headloss
               18-inch and greater-2.31 ft/1,000 ft
        Well Site Requirements
           Less than 30 acres = none
           Equal to or greater than 30 acres and less than 70 acres = one
           Equal to or greater than 70 acres – one per 70 acres or major portion thereof,
           major portion being 30 or more acres
           1,000’ from existing well and 4,000’ from mountain base
           0.5 acre w/o onsite detention or 0.75 acres w/ onsite detention
           Block wall, etc
        Well and Pumping Plant Requirements
           (2.6 gpm x units x 1.2)/1,750 gpm/well=no. of wells (≈1 well per 600 units)
           $800,000 deposit
        Reservoir Storage
           Reservoir Sizing
               Peak Daily Demand = 2.6 gpm/unit x # of units x 12 hours x 60 min/hr
               Fire Flow = __ gpm x __ hours x 60 min/hr (by Fire Marshall)
               Emergency Storage = 20% (Peak Daily Demands + Fire Flow)
               Total Storage = Peak Daily Demand + Fire Flow + Emergency Storage
           Sited to provide 60 psi minimum pressure
        Booster Stations/Pressure Reducing Stations
           <100 units-hydropneumatic storage w/booster allowed
           Connection between zones required



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                               COACHELLA VALLEY WATER DISTRICT

                                     Development Design Checklists


        Water Treatment Facilities
          Surface Water Treatment (Coachella Canal)
          Other-arsenic, fluoride, etc as required
        Fees
          Water System Backup Facility Charge-$3,557/unit
          Supplemental Water Supply Charge-based on acreage (see table)

                Development Type                            $/Acre
                Hotels and Motels                          $13,147
                Business Offices                           $12,091
                Gasoline Stations with Car Wash            $11,699
                Golf Course Developments                   $10,560
                Residential Lots                            $9,530
                Apartments and Condominiums                 $9,293
                Supermarket Shopping Centers                $7,973
                Gasoline Stations with Convenience Store   $6,890
                Public Schools                              $6,310
                Mobile Home and Trailer Parks              $5,518
                Retail Shopping Centers                     $4,409
                Industrial and Commercial Parks            $4,013
                Self Storage Facilities                     $2,746




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                             Development Design Checklists

Non-Potable Water

        Senate Bill 1557
          Golf courses, parks, cemeteries, new industry and highway landscaping
          Recycled water or canal water
          Economic and water quality analysis required
        Dual Piping Systems
          Reduce domestic water demand to ease treatment costs
          Recycled water or canal water




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                          COACHELLA VALLEY WATER DISTRICT

                                Development Design Checklists


Wastewater (Sanitation)

        Wastewater Flow
            Establish Equivalent Dwelling Units (EDUs)
            Average Flow-250 gpd/EDU
            Peaking Factor-1.2
        Identify WRP Service Area
            Treatment Capacity
            Gravity or Lift Station
            Trunk or Local Sewer
        Pipeline Requirements
            Hydraulic analysis/modeling dictate pipe size & any regional improvements
            Minimum Pipe Size-8-inch
            Minimum Slope-0.0033 (8”), 0.0024 (10”), 0.0019 (12”) & 0.0014 (>12”)
            Pipe Size 8” to 24” full pipe=1/2 diameter
            Pipe Size > 24” full pipe=2/3 diameter
            I & I = 200 gal/day/acre
            Minimum Depth-7.0 feet typical, over 15.0 feet requires Class B Bedding
            Minimum Separation From Water Main-11.0 feet
            Gravity Sewers-Vitrified Clay Pipe (VCP)
            Force Mains-AWWA C-900, Class 150 Polyvinyl Chloride (PVC)
        Lift Station Requirements
            Temporary lift station-pump in manhole not allowed
            Temporary lift station (< 2 years of service)-moderate concrete structure,
            redundant pumps & SCADA capable
            Permanent lift station (> 2 years of service)-full concrete structure, redundant
            pumps & SCADA capable
            CVWD will operate and maintain any temporary lift stations
        Fees
            Sanitation Capacity Charge-$3,517/Equivalent Dwelling Unit (EDU)




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                           COACHELLA VALLEY WATER DISTRICT

                                Development Design Checklists

Irrigation & Drainage

        General
            System Ownership/Operation & Maintenance
                 United States Bureau of Reclamation (USBR)-owns the Coachella Canal,
                 Protective Works (Dikes & Channels) and Irrigation Lateral System
                 CVWD-owns the Drainage System and operates & maintains the
                 Coachella Canal, Protective Works, Irrigation Lateral System and
                 Drainage System
                 The above referenced facilities and their related ROW must be protected
                 unless it is determined that the facility can be abandoned.
                 The following provisions may be approved for non-interference activities
                 within CVWD/USBR easements:
                     Low impact landscaping allowed (no trees within 15’ of pipeline
                     centerline)
                     Pavement-asphalt or concrete allowed for pipeline replacements only.
                     Fences, block walls, drainage ditches and other structures are not
                     allowed within the easement
                     Additional easement may be required for CVWD/USBR easements
                     with inadequate width in order to fully mitigate for the interference.
                     For pipelines, the general rule will be 15’ from centerline of pipeline or
                     projection of a 1:1 slope from edge/pipe invert to surface whichever is
                     greater.
                     Composite drawings showing plan and profile of all wet and dry utilities
                     are required
                     See other sections for permit requirements
            Improvement District No. 1 (ID 1)
                 USBR/CVWD Irrigation and Drainage Boundary
        Identify Affected Irrigation Laterals & Drainage Pipe/Channels
            Identify CVWD & USBR ROW
            Determine Irrigation Lateral/Drainage relocation, abandonment or
            replacement needs
        Irrigation Lateral Abandonment Only:
            Coordinate abandonment plan with Engineering Irrigation Division
            Once mylars are approved by CVWD-submit USBR abandonment application
            package
            After USBR approval-obtain Construction EP to physically remove the
            irrigation line
            USBR will issue the Quitclaim after final inspection and approval by CVWD




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                          COACHELLA VALLEY WATER DISTRICT

                                Development Design Checklists


         Drainage Abandonment Only:
            Coordinate abandonment plan with Engineering Irrigation Division
            Once mylars are approved by CVWD-submit formal request in writing to
            abandon and if applicable, obtain letter of authorization from any upstream
            users, provide preliminary title report and legal descriptions (Exhibits A & B)
            for easement to be quit claimed
            Obtain Construction EP to physically remove the drain line
            CVWD will issue the Quitclaim after final inspection and approval by CVWD
        Irrigation Lateral Relocations:
            Coordinate relocation plan with Engineering Irrigation Division
            Once mylars are approved by CVWD-submit USBR relocation application
            package if the relocation is outside of the existing easement. If relocation is
            within the existing easement-Construction EP only.
            Applicant enters into a USBR Interim Agreement (Notice To Proceed)
            After USBR approval-obtain Construction EP to relocate the irrigation line.
            Once the newly relocated line is progressed for service---apply for
            Construction EP to physically remove the abandoned irrigation line.
            Applicant executes a USBR Relocation Agreement/Grant of Easement
            USBR will issue the Quitclaim after final inspection and approval by CVWD
        Drainage Relocation Requirements:
            Coordinate abandonment plan with Engineering Irrigation Division
            Once mylars are approved by CVWD-submit written request along with
            preliminary title report, legal description (Exhibits A and B) for new
            easements. If relocation within existing easement-CVWD Construction EP
            only.
            After CVWD approval-obtain Construction EP to physically remove the drain
            line
            Applicant executes a Grant of Easement and Subordination Agreement, if
            applicable.
            CVWD will issue the Quitclaim after final inspection and approval by CVWD
        Pipeline Requirements
            12” or less-Polyvinyl Chloride (PVC), AWWA C900, Class 150, DR 18
            Minimum Cover=4.0 feet
            Basic hydraulic requirements (Dan C?)
        Fees
            Construction EP $500 inspection deposit
            USBR Abandonment Application, $1,500 Deposit
            USBR Abandonment/Relocation Application, $3,000 Deposit




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                          COACHELLA VALLEY WATER DISTRICT

                               Development Design Checklists


Stormwater

        Regulations
           California Drainage Law-property owner has the right to protect oneself from
           flooding as long as he/she does not unreasonably increase flood risk on
           adjacent property owners. Flows must be received and released in the
           historical flow paths at the historical flow depth and velocity.
           Riverside County Ordinance 458.1-FEMA requires that in order to be a
           member of the National Flood Insurance Program communities must adopt
           and enforce FEMA’s model floodplain ordinance. Failure to enforce this
           ordinance results in ineligibility for federal disaster assistance of any type.
           Ordinance 458.12 regulates development in Special Flood Hazard Areas and
           is based on the 100-year flood criteria. CVWD is the County’s flood plain
           ordinance administrator within the District’s Stormwater Boundary.
           CVWD Ordinance 1234-provides that stormwater facilities may be built to the
           lesser 100-year flood standard as compared to CVWD’s Standard Project
           Flood (SPF) with the following requirements:
                   CVWD will not own, operate or maintain the facilities
                   Developer notification of adjacent (600 feet) property owners
                   Developer transfers stormwater facilities ownership to the HOA
                   Developer shall record the chain of title to the stormwater facilities
                   Flooding Easement
        Flood Control Facilities, Hydraulic & Hydrological Design Report & Slope
        Protection Hydraulic Report
           Design standards
           3 copies of report
        Flood Control Facilities Approval Process
           CVWD Tentative Tract Map Approval
               Conceptual approval of the proposed flood control facilities & hydraulic
               and hydrological design report
               Flood Control Facility Access Plan (may be required)
                   CVWD access road (20 feet wide) along top of bank (earthen)
                   CVWD reinforced concrete access ramp (20 feet wide)
                   CVWD access and easement through the development
           Issuance of Grading Permit
               Final approval of the proposed flood control facilities & hydraulic and
               hydrological design report
               Agreement between Developer/HOA and CVWD
                   Ordinance 1234 compliance
                   Flood Control Facility Operations and Maintenance Manual
                   Perpetual O&M funding mechanism
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                         COACHELLA VALLEY WATER DISTRICT

                               Development Design Checklists


                  CVWD approves any future changes to flood control facilities
                  Flooding easements to CVWD
                  Provide written notice to all downstream property owners located within
                  600 feet of the area of the proposed construction of flood control
                  facilities
           Post Construction
              CVWD approves “as-built” topography, construction drawings and
              engineering analysis as necessary to verify design capacity
           Prior To Occupancy
              FEMA Flood Insurance Rate Map (FIRM), Letter of Map Revision, LOMR
                  Developer’s engineer responsible for FEMA submittal
                  CVWD requires (4) copies of the FEMA Submittal (FEMA application
                  forms with the Final approved report & plans)
                  CVWD will send the FEMA submittal when applicable
        Whitewater River/Coachella Valley Stormwater Channel (CVSC) Slope
        Protection Approval Process
           CVWD Tentative Tract Map Approval
              Conceptual approval of the proposed flood control facilities & hydraulic
              and hydrological design report
              Flood Control Facility Access Plan (may be required)
                  CVWD access road (20 feet wide) along top of bank (earthen)
                  CVWD reinforced concrete access ramp (20 feet wide)
              CVWD access and easement through the development
           Issuance of Grading Permit
              Final approval of the proposed flood control facilities & hydraulic and
              hydrological design report
              Agreement between Developer/HOA and CVWD
                  Slope Protection Facilities deeded to CVWD (except outlet)
                  Encroachment Permits For Whitewater River and CVSC Outlets are
                  through the Cities and County—not developer
           Post Construction
              CVWD approves “as-built” topography, construction drawings and
              engineering analysis as necessary to verify design capacity
           Prior To Occupancy
              FEMA Flood Rate Insurance Map (FIRM), Letter of Map Revision, LOMR
                  Developer’s engineer responsible for FEMA submittal
                  CVWD requires (4) copies of the FEMA Submittal (FEMA application
                  forms with the Final approved report & plans)
                  CVWD will send the FEMA submittal when applicable
           Fees
              $10,000+ deposit to cover CVWD stormwater consultant review

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                         COACHELLA VALLEY WATER DISTRICT

                               Development Design Checklists

Water Management

        Ordinance 1302-Valley-Wide Water Efficient Landscaping Model Ordinance
           All requirements can be found in the General Landscape Guidelines and
           Irrigation System Design Criteria book, available by calling the Water
           Management Department or by downloading from CVWD website
        Applicability
           All new and rehabilitated landscaping for private, public, recreational,
           commercial, and governmental development projects that require a permit
           Developer-installed landscaping in single-family tracts and multifamily
           projects
           Does not apply to resident home owner-provided landscaping at single family
           residences
        Landscape Documentation Package
           Plans must be submitted to Water Management Department for review and
           approval prior to water meter issuance
           Landscape documentation package consists of:
                Water conservation concept statement
                Calculation of maximum applied water allowance
                Calculation of estimated applied water use
                Calculation of estimated total water use
                Landscape design plan
                Irrigation design plan
                Grading design plan
                Soil analysis (optional)
                Certificate of substantial completion
           Three copies of the landscape documentation package shall be submitted
           A copy of the approved landscape documentation package shall be provided
           to the property owner or site manager along with the record drawings and any
           other information normally forwarded to the property owner or site manager
           Upon completion of construction, a copy of the water conservation concept
           statement and the certificate of substantial completion shall be sent by the
           project manager to the Water Management Department
        Plan Check Fee Schedule
           Initial Fee*:                     $50.00
           Plan Review Fee**                 $40.00 per hour
           Sheet Reproduction Fee**          $10.50 per sheet

        * Due at time of package submission
        **Due upon final approval and the return of signed plans.



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