RBPA Cover SpecsSafe-T-CoverTM
BACKFLOW PREVENTION ASSEMBLY ENCLOSURE
SPECIFICATION
PART 1 GENERAL
1.1 WORK INCLUDED
A. Provide manufactured backflow prevention assembly enclosure
CITY COPY
SEP 13 2019
BUILDING DEPARTMENT
CITY OF EDMONDS
1.2 QUALITY ASSURANCE
A. Qualifications: The backflow prevention assembly enclosure manufacturer shall
be a company specializing in the manufacture of backflow prevention assembly
enclosures with at least 5 years of successful experience designing and selling enclosures to
various customers in different climatic regions.
1.3 STORAGE AND HANDLING
A. Store products in shipping containers and maintain in dry place until installation.
1.4 ACCEPTABLE MANUFACTURERS
A. Safe-T-CoverTM or Engineer approved equal.
1.5 REFERENCES
A. ASTM 13209.
B. ASSE 1060-Performance Requirements for Outdoor Enclosures for Backflow Prevention
Assemblies.
PART 2 PRODUCTS
2.1 MODEL NO. & SIZE
A. Model No. shall be 600TDS-AL.
B. Inside dimensions shall be 70"W x 128"L x 64"H.
2.2 MATERIALS OF FABRICATION
A. Material of fabrication shall be 5052-H32 marine grade aluminum (.050/18 gauge), mill finish
and shall meet ASTM B209.
B. Insulation shall be 1.5" (9.0 "R" value) minimum thickness polyisocyanurate foam laminated to
a glass fiber reinforced facer (each side). The insulation shall have the following properties:
1. Dimensional Stability -Less than 2% linear change, ASTM D-2126;
2. Compressive Strength-20PSI, ASTM D-1621;
3. Water Absorption -Less than 1% by volume, ASTM C-209;
4. Moisture Vapor Transmission -Less than one (1) perm, ASTM E-96;
5. Product Density -Nominal 2.0 lbs. per cubic foot, ASTM D-1622;
6. Flame Spread=25, ASTM E-84;
7. Service Temperature= -100°F to +250°F maximum.
8. The insulation shall be of uniform thickness.
C. Structural members shall be redwood.
HCF60OTDS-AL-1
2.3 ROOF, WALLS & PANELS
A. The roof, walls & panels of the enclosure shall be constructed of 5052-H32 (.050/18 gauge)
marine grade aluminum, mill finish, ASTM B209 outside with insulation 1 1/2" (9.0 "R" value)
thick in the walls and panels and 3" (18.0 "R" value) thick in the roof.
B. The aluminum, insulation and redwood shall be securely bonded together to form a composite
panel.
C. The aluminum panels shall be provided with a PVC or similar exterior film to prevent damage
before installation. The film shall be removed before installation.
D. The complete assembly, including valve stems, shall be protected by being inside the enclosure.
E. The roof shall be securely attached to the walls with screws and inside roof connections.
F. All screws shall attach to redwood members.
G. The walls of the enclosure shall be securely attached to the concrete base with inside anchoring
brackets.
H. Access panels shall be four (4) in number and each shall be 38 1/4"W x 64"H. One access panel
shall contain the drain panel.
I. Access panels shall be completely removable.
J. Access panels shall be provided with built-in pad lockable folding T-handles.
K. Clear opening drain panel area shall be 38 1/2"W x 6 1/2"H.
L. Drain panel shall have a stainless steel hinge and a stainless steel light strength spring as a
positive means of closure so that the drain panel will not be activated by wind.
M. Drain panel shall be designed to remain closed except during water discharge.
2.4 Heating Equipment (ASSE 1060 Class I -Required; ASSE 1060 Class II -Optional)
A. Heating equipment shall be furnished and designed by the manufacturer of the enclosure to
maintain an interior temperature of +40°F with an outside temperature of -300F.
B. The heater shall have two electrical resistance elements completely enclosed within a solid
aluminum cast platen base.
C. The platen heater shall be designed for installation to the concrete base with mounting hardware
provided.
HCF60OTDS-AL-2
D. The platen heater shall be suitable for installation underneath a reduced pressure zone device
and designed to sustain water spray without damage to or impeding the performance of the heater.
E. The platen heater shall be provided with a thermostat adjustable from +40°F to +100°F. The
thermostat, all conduit and wiring fittings provided shall be suitable for "water -tight" installation.
2.5 MOUNTING HARDWARE
A. Mounting hardware shall be furnished and shall be 300 series stainless steel and/or T-6
aluminum.
B. All threaded fasteners shall be furnished and shall be 400 series stainless steel and/or Hilti type
Tap -Fast w/QuickcoatTm and Flo Seal washer or equal.
C. All masonry fasteners shall be furnished and shall be stud type Hilti Kwik Bolt IITm and/or Hilti
type Hit Anchors or equal.
D. All necessary drill bits shall be furnished.
PART 3 INSTALLATION
A. Enclosure shall be mounted on a concrete pad 84"W x 142"L x 6"Thick.
B. Enclosure shall be assembled and mounted to concrete pad according to manufacturer's
instructions.
C. Enclosure shall be assembled and mounted to concrete pad in such a way that it will remain
locked and secured to pad even if outside screws are removed.
HCF600TDS-AL-3
,', ,
ENCLOSURES DESIGNED FOR THE WORLDS WATER SYSTEMSTA°
• Roof, walls, and drain panel — 5052-H32 marine
grade aluminum (.050/18 gauge), mill finish, ASTM
B209 outside
• Drain panel hinge and spring — stainless steel
• Insulation 1 ''/2" (9 "R" value) minimum thickness
poly i socyan urate foam laminated to a glass fiber
reinforced facer (each side), non -wicking
• Mounting hardware — 300 series stainless steel
or T-6 aluminum
• Wedge anchors — Powers SDI —'/2" x 3 1/4"
• ASSE 1060 E)
• ASTM B209
Yes — see separate specification submittal sheet
No
Specification Submittal Sheet
Series 600 — Panel Design
Insulated Enclosures
IMMM
The enclosure is designed to provide freeze and vandal
protection of above ground backflow prevention
assemblies, meters, PRV, etc. The enclosure provides
for safe and easy testing and maintenance.
The enclosure disassembles easily if full equipment
replacement is needed.
Model Inside Diameter Concrete Pad Ship Wt Access Access Panel Size Drain Opening
W L H W L H Panels W H W H
600-AL 36 100 56 50 114 6 364 2 381/4 56 381/4 61/2
60OD-AL 70 108 56 84 122 6 515 2 381/4 56 381/4 61/2
60ODS-AL 70 128 56 84 142 6 575 4 381/4 56 381/4 61/2
600LU880-AL* 36 38 48 50 52 6 245 2 28 48 28 61/2
60OT--AL 36 100 64 50 114 6 500 2 38 1/4 64 381/4 61/2
60OTM-AL 36 100 70 50 114 6 534 2 381/4 70 381/4 61/2
60OTD-AL 70 108 64 84 122 6 560 2 381/4 64 381/4 61/2
60OTDS-AL 70 128 64 84 142 6 590 4 381/4 64 381/4 61/2
600TLU880-AL* 44 38 48 58 52 6 212 2 36 48 36 61/2
600TS-AL 38 120 64 52 134 6 524 2 381/4 64 381/4 61/2
*Standard compact design models include hinged lift -up roof All dimensions in inches.
A fi•eeze and vandal protective enclosure shall be installed over above ground plumbing systems. The enclosure shall
be constructed of 5052-H32 marine grade aluminum with a minimum R9 in the walls and R18 in the roof. Molded
fiberglass enclosures will be rejected. Cut board insulation shall be used for uniform insulation thickness. Sprayed
insulation shall be reason for rejection. Redwood post and beams shall be utilized for structural support. The use of
"Particle board" shall be reason for rejection. The roof of the enclosure shall be removable for maintenance. Enclosures
requiring tape to seal the roof seams are prohibited. The enclosures shall have a fully insulated drain panel designed to
remain closed, except when discharging water. The drain panel shall be sized to accommodate the maximum discharge
for backflow installations. The enclosure shall be mounted securely to a concrete pad and remain locked even if outside
screws are removed. All mounting hardware shall be furnished. The enclosure shall withstand straight line winds up to
110 mph with standard anchoring hardware. Sturdier anchoring hardware shall be made available to withstand straight
line winds up to 130 mph.
When heat is required, a slab mounted UL or ETL listed heater shall be provided that has been independently
certified to meet the UL-2021 "Rain Test" for damp or wet conditions. Wall -mounted air heaters and self-regulating
cables shall not be used as the heat source. The enclosure shall be certified to the most recent ASSE Standard 1060
(Class I or Class 1I). The insulated enclosure shall be a Safe-T-Cover Series 600.
Hydrocowl, Inc.
Nashville, TN • Phone 1-800-245-6333
FAX (615) 259-4481 • www.safe-t-cover.com
SS5 0216
ENCLOSURE MODEL: 60OTDS-AL
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ENCLOSURES DESIGNED FOR THE WORLDIS WATER SYSTEMS'
IDRAWN BY: JM SCALE: NONE DATE: 06/03/16
NAIL: E: SAFE-TLOVE-T-CO
PHONE: (616124SE233
EMAIL: SALES�SAFE-T-COVER COM
FAX: (873(2393137
ELEVATION VIEW
REMOVABLE ACCESS PANEL OPENING
REMOVABLE ACCESS PANEL OPENING
TWO EACH SIDE: 38 1/4 ;-64
TWD X11 SIDE: 38 1/4 x 64
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CONFIDENTIAL: THIS DRAWING IS INTENDED FOR USE ONLY BY THOSE AUTHORIZED TO RECEIVE IT.
— N
DISSEMINATION, DISTRIBUTION OR COPY OF THIS INFORMATION IS STRICTLY PROHIBITED.
US PATENT 5,609,784