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SECTION 22 14 53
RAINWATER HARVESTING SYSTEMS
 
 
Copyright 2012 - 2015 ARCAT, Inc. - All rights reserved
** NOTE TO SPECIFIER ** RainHarvest Systems, LLC; rainwater harvesting technologies.
This section is based on the products of RainHarvest Systems, LLC, which is located at:
4475 Alicia Lane
Cumming, GA 30028
Toll Free Tel: 800-654-9283
Tel: 770-889-2533
Fax: 770-889-2577
Email: request info (sales_east@rainharvest.com)
Web: www.rainharvest.com
[ Click Here ] for additional information.
RainHarvest Systems is focused on removing the barriers for widespread deployment of rain harvesting in the United States.
Rainwater capturing systems and components have been complex, costly and difficult to locate through a disparate network of vendors and manufacturers in different industries spanning several countries. What we've done differently is to source a variety of top tier products from the leading manufacturers and purchase them in volume quantities so we can pass the discount on to our customers and dealers.
We make this available on a leading edge and wholly-owned e-commerce engine to provide a fast, secure and enjoyable transaction. As a stocking retailer and wholesaler, RainHarvest Systems maintains a showroom, rain harvesting lab and warehouse near Atlanta, GA, and an additional warehouse and distribution center in California.
At RainHarvest Systems, we give you choices on price and technology that best suit your needs. Each rainwater capturing project is different and the solutions you apply can be tailored to suit your needs. You can choose the right product at the right price at RainHarvest Systems.
 
PART 1 GENERAL
 
1.1
SECTION INCLUDES
A.
Rainwater harvesting system including the following:
1.
Rainwater pre-filters.
2.
Storage tanks.
3.
Distribution pumps.
4.
Controls.
5.
Water treatment.
1.2
SYSTEM DESCRIPTION
A.
Custom rainwater harvesting system consisting of manufactured components integrated into automated system. The system shall collect rainwater from the roof and convey rainwater through roof drains, downspouts and conveyance piping, self-cleaning, gravity fed pre-filters. Filtered rainwater will travel through the pre-filter and into a rainwater storage tank. Water will be drawn out of the storage tank and pumped through a packaged pumping system to the irrigation/plumbing system. The pumping system will be design to provide water at the desired design point on an on-demand basis.
B.
Design Requirements: Filter, store, and distribute harvested rainwater.
C.
Water Disinfection Methods: May include sediment filtration, ultraviolet treatment, chlorine injection, carbon filtration, or a combination thereof.
1.3
SUBMITTALS
A.
Submit under provisions of Section 01 30 00 - Administrative Requirements.
B.
Product Data: For system components; include dimensions, capacities, operating characteristics, utility connections, and accessories.
C.
Shop Drawings: Include system layout, components, and accessories.
D.
Closeout Submittals: Operation and maintenance data.
1.
Provide instructions on operation, calibration, troubleshooting, and servicing equipment.
2.
Include layout drawings, parts lists, and component manufacturer's product data.
1.4
QUALITY ASSURANCE
A.
System Integrator: RainHarvest Systems LLC (800) 654-9283. Russ Jackson.
B.
Manufacturer Qualifications:
1.
Minimum 10 years experience in work of this Section.
2.
Successful completion of minimum of 10 previous projects of similar scope and complexity.
C.
Installer Qualifications:
1.
Minimum 3 years experience in work of this Section.
2.
Successful completion of minimum of 3 previous projects of similar scope and complexity.
3.
Maintain factory trained technicians on staff to provide field service and warranty work.
1.5
DELIVERY, STORAGE, AND HANDLING
A.
Do not deliver system components until time needed for installation, and after proper protection can be provided.
B.
Protect components from damage and corrosion.
C.
Leave protective coverings in place until just prior to installation.
PART 2 PRODUCTS
 
2.1
MANUFACTURERS
A.
Acceptable Manufacturer: RainHarvest Systems, LLC, which is located at: 4475 Alicia Lane; Cumming, GA 30028; Toll Free Tel: 800-654-9283; Tel: 770-889-2533; Fax: 770-889-2577 ; Email: request info (sales_east@rainharvest.com); Web: www.rainharvest.com
1.
Acceptable Manufacturers - Storage Tanks:
a.
Graf.
b.
RainHarvest Systems.
c.
Atlantis D-Raintank.
d.
RainFlo Corrugated Steel Tanks.
e.
RainFlo FRP (Fiberglass) Rainwater Storage Tanks.
f.
RainFlo FRP Panel Tanks.
g.
Norwesco.
h.
Chem-Tainer.
2.
Acceptable Manufacturers - Pumps and Pump Skids:
a.
RainHarvest Systems.
b.
Goulds.
c.
RainFlo.
d.
Dab.
3.
Acceptable Manufacturers - Controls and Float Switches:
a.
RainHarvest Systems.
b.
RainFlo.
4.
Acceptable Manufacturer - Rainwater Filters, Storage Tank Accessories, and Purification Kits:
a.
GRAF.
b.
UV Pure.
c.
Viqua
d.
Pentek.
e.
RainFlo.
f.
Shelco.
g.
Strain-rite.
h.
Amiad.
 
** NOTE TO SPECIFIER ** Delete one of the following two paragraphs; coordinate with requirements of Division 1 section on product options and substitutions.
 
B.
Substitutions: Not permitted.
C.
Requests for substitutions will be considered in accordance with provisions of Section 01 60 00 - Product Requirements.
2.2
COMPONENTS
 
** NOTE TO SPECIFIER ** Include the following for a medium capacity rainwater filter to be installed above or below grade.
 
A.
Rainwater Pre-filters: Gravity-fed self-cleaning.
B.
Rainwater Pre-Filters:
1.
Model: No. _________
2.
Description: High efficiency, self cleaning above/below ground rainwater filter with 350 micron stainless steel filter insert and for ________ square feet of collection surface.
3.
Rainwater Inlet: __________
4.
Overflow Outlet: __________
5.
Outlet to Tank: ___________
C.
Rainwater Storage Tanks:
1.
Graf Carat S Tank Below Ground Rainwater Storage System of _____ Gallons.
2.
Graf EcoBloc Below Ground Rainwater Storage System of _____ Gallons.
3.
Atlantis D-Raintank Below Ground Rainwater Storage System of _____ Gallons.
4.
RainFlo Single Wall, Fiberglass Below Ground Rainwater Storage System of _____ Gallons.
5.
RainFlo Corrugated Steel Above Ground Rainwater Storage System of _____ Gallons.
6.
Norwesco HDPE Above Ground Rainwater Storage System of _____ Gallons.
7.
Chem-Tainer HDPE Above Ground Rainwater Storage System of _____ Gallons.
8.
RainFlo Above Ground FRP Panel Tank of _____ Gallons.
D.
Pump Systems: RainFlo pump system capacity ___ gallons per minute at ___ PSI.
1.
RainFlo packaged pump system: Manufactured specifically for distribution of rainwater.
2.
Pump shall be of stainless steel construction.
3.
Plumbed to allow for removal without entering tank.
4.
Connected to power supply by power cable and waterproof connections.
E.
Pump Control System: Control panel UL 508 listed, and incorporate the following components:
1.
NEMA ___ enclosure.
2.
Single point power connection.
3.
Circuit breaker control power protection.
4.
Individual pump circuit breakers.
5.
Ventilated and fan-cooled enclosure, with positive cabinet pressure.
6.
Variable frequency drives/pump controller will control pumps on an "on-demand" basis via a pressure transducer.
7.
Current limit selector switch to set current limit to match motor SFA.
8.
Alarms indicated by light sequence, audible alarm, or digital readout.
9.
System shall automate switching between rainwater and auxiliary water supply automatically.
10.
System shall display rainwater storage tank level.
F.
Rainwater System Control: Continuous water level measurement with automatic switchover to a backup water supply. Controller must activate a 3-way valve based on programmed water levels in the rainwater system controller.
G.
Water Treatment Systems: RainHarvest Systems water treatment systems are comprised of multiple components designed to disinfect water for indoor plumbing applications. Under no circumstances should treated water from a rainwater harvesting system be used for potable purposes unless the system has been installed in accordance with and inspected per the local authority having jurisdiction, and the water quality tested to applicable standards. System components may include:
1.
Sediment filtration to _____ microns.
2.
UV Disinfection at _____ gpm.
3.
Chlorine injection at _____ ppm.
4.
Dye injection at _____ ppm.
H.
Storage Tank Accessories:
1.
1.Floating Filter and Hose:
a.
RainHarvest Model: No. 333009.
b.
Description: 2" Stainless steel filter housing and mesh fabric, and polyethylene floating ball.
2.
2.Overflow Siphon:
a.
Model: No. 330108.
b.
Description: Polyethylene overflow device with support strut and clamp for 4 inch overflow piping.
2.3
ACCESSORlES
A.
Bulkhead Fittings: Sized to match system inlet, outlet, pump flow rate, vents, and other penetrations.
B.
Vent assembly: PVC rodent-proof cap for tank air and vacuum relief; extend from top of tank to above grade.
C.
Waterproof Electrical Connection Box: Located in manway, field installed.
2.4
SOURCE QUALITY CONTROL
A.
Assemble and test purification system in factory prior to shipment to Project site.
B.
Hydrostatically test prefabricated pump assembly in factory prior to shipment to Project site.
PART 3 EXECUTION
 
3.1
INSTALLATION
A.
Install system components in accordance with manufacturer's instructions and approved Shop Drawings.
B.
Arrange equipment so that components requiring removal or maintenance are readily accessible without disturbing other components. Arrange for clear passage between components.
C.
Connect to utility supplies and equipment.
D.
Ground components in accordance with component manufacturer's instructions.
E.
Install prefilters at time storage tanks are installed.
F.
Do not bury Graf filters deeper than manufacturer's recommended depth unless a vault is installed.
3.2
FIELD QUALITY CONTROL
 
** NOTE TO SPECIFIER ** Include the following for on-site startup services by System Integrator.
 
A.
System Integrators:
1.
Installation oversight and technical support.
2.
Terminate and test control system wiring and operation of electrical components.
3.
Demonstrate proper pump and controls operation.
4.
Make adjustments to meet user-defined system performance.
5.
Review operation and maintenance procedures with Owner's representative.
END OF SECTION