Storm Drainage Piping Specialties
ME- Building Group
SECTION 221423 – STORM DRAINAGE PIPING SPECIALTIES
PART 1 - GENERAL
1.1
RELATED DOCUMENTS
Drawings and general provisions of Contract, including General and Supplementary Conditions and
Division 1 Specification Sections, apply to this Section.
1.2
SUMMARY
A.
1.3
This Section includes the following plumbing specialties for water distribution systems, storm,
and soil, waste, and vent systems.
1.
Roof drains.
2.
Miscellaneous storm drainage piping specialties.
3.
Cleanouts.
4.
Backwater valves.
5.
Trench drains.
6.
Through-penetration firestop assemblies.
7.
Flashing materials.
PERFORMANCE REQUIREMENTS
A.
1.4
Provide components and installation capable of producing piping systems with following
minimum working-pressure ratings, unless otherwise indicated:
1.
Storm Drainage Piping: 10-foot head of water.
SUBMITTALS
A.
Product Data: Include rated capacities and shipping, installed, and operating weights. Indicate
materials, finishes, dimensions, required clearances, and methods of assembly of components;
and piping connections for each type of product indicated.
Maintenance Data: For storm drainage piping specialties to include in maintenance manuals.
1.5
QUALITY ASSURANCE
A.
Product Options: Drawings indicate size, profiles, and dimensional requirements of storm
drainage piping specialties and are based on the specific system indicated.
B.
Drainage piping specialties shall bear label, stamp, or other markings of specified testing
agency.
C.
ASME Compliance: Comply with ASME B31.9, "Building Services Piping," for piping materials
and installation.
PART 2 - PRODUCTS
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Revision Date: 01/21/14
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Storm Drainage Piping Specialties
2.1
ME- Building Group
ROOF DRAINS
A.
Manufacturers:
following:
Ancon
Josam
Smith
Wade
Zurn
B.
General: Size outlet as indicated on drawings.
C.
RD-1
1.
Basis-of-Design Product: Zurn ZC-100-EA-R-AC-XJ Expando roof drain, “Dura-Coated”
cast iron body with cast iron dome strainer. Provide extension sleeve as required, roof
sump receiver, and angular underdeck clamp.
D.
RD-2 Overflow Drain
1.
Basis-of-Design Product: Zurn ZC-100-EA-R-AC-XJ-89 roof drain, “Dura-Coated” cast
iron body with cast iron dome strainer and 2-inch-high external dam. Provide extension
sleeve as required, roof sump receiver, and angular underdeck clamp.
E.
RD-3
1.
Basis-of-Design Product: Zurn ZC-105-10-DP no-hub “control-flo” roof drain, “DuraCoated” cast iron body with cast iron dome strainer. Provide extension sleeve as
required, roof sump receiver, and angular underdeck clamp.
Provide products with up to 6 parabolic weirs. Refer to Mechanical Drawings for number
of drains with weir openings.
F.
RD-4 Overflow Drain
1.
Basis-of-Design Product: Zurn ZC-100-EA-DP-XJ-89 overflow roof drain, “Dura-Coated”
cast iron body with cast iron dome strainer and 2-inch-high external dam. Provide
extension sleeve as required, roof sump receiver, and angular underdeck clamp.
G.
Provide 2-inch high external dam for overflow drains.
H.
Expansion Joints: ASME A112.21.1M, assembly for roof drain outlet, consisting of cast iron
body, with bronze sleeve, packing gland, and packing, of size and end types corresponding to
connected piping.
1.
Size: Same as roof drain outlet when connected to roof drain and same as connected
piping when installed in piping.
2.2
Unless otherwise directed by the Owner, provide products by one of the
MISCELLANEOUS STORM WATER PIPING SPECIALTIES
A.
Fixed Air-Gap Fittings: Manufactured cast-iron or bronze drainage fitting with semi-open top
with threads or device to secure drainage inlet piping in top and bottom spigot or threaded outlet
larger than top inlet. Include design complying with ASME A112.1.2 that will provide fixed air
gap between installed inlet and outlet piping.
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Revision Date: 01/21/14
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Project & Bid Package
Storm Drainage Piping Specialties
ME- Building Group
B.
Vent Terminals: Commercially manufactured, shop- or field-fabricated, frost-proof assembly
constructed of galvanized steel or copper. Size to provide 1-inch enclosed air space between
outside of pipe and inside of flashing collar extension, with counter flashing.
C.
Expansion Joints: ASME A112.21.2M, assembly with cast-iron body with bronze sleeve, packing
gland, and packing; of size and end types corresponding to connected piping.
D.
Downspout Boots: ASTM A 74, Service class, hub-and-spigot, cast-iron soil pipe.
2.3
CLEANOUTS
A.
Manufacturers:
following:
Ancon
Josam
Smith
Wade
Zurn
B.
Stack Cleanout Exposed
1.
Basis-of-Design Product: Zurn Z-1445-A, coated cast iron body, raised head plug.
C.
Stack Cleanout Finished Wall
1.
Basis-of-Design Product: Zurn ZN-1446-VP, coated cast iron body, slotted flush closure
with cover and vandalproof screw.
D.
Floor Cleanout General (Finished Areas)
1.
Basis-of-Design Product: Zurn ZN-1400-VP, adjustable floor, cast iron body, inside caulk
connection, with round nickel bronze cover and vandal proof screw.
E.
Floor Cleanout Square, Tile
1.
Basis-of-Design Product: Zurn ZN-1400-TX-VP, cast iron body, inside caulk connection,
with square nickel bronze top recessed for tile, and vandal proof screw.
F.
Floor Cleanout Carpeted Areas
1.
Basis-of-Design Product: Zurn ZN-1400, cast iron body and nickel bronze top.
G.
1.
2.4
Unless otherwise directed by the Owner, provide products by one of the
Floor Cleanout Heavy-Duty (Unfinished Areas)
Basis-of-Design Product: Zurn Z-1400-HD-KC-BP, cast iron body and top, with bronze
plug, adjustable housing.
BACKWATER VALVES
A.
Manufacturers: Unless otherwise directed by the Owner, provide products by one of the
following:
1.
Josam Co.
2.
Smith, Jay R. Mfg. Co.
3.
Watts Industries, Inc.; Drainage Products Div.
4.
Zurn Industries, Inc.; Specification Drainage Operation.
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Revision Date: 01/21/14
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Storm Drainage Piping Specialties
B.
Horizontal Backwater Valves: ASME A112.14.1, cast-iron body, with removable bronze swingcheck valve and threaded or bolted cover.
C.
Drain Outlet Backwater Valves: Cast-iron or bronze body, with removable ball float, threaded
inlet, and threaded or spigot outlet for installation in bottom outlet of floor drain.
2.5
TRENCH DRAINS
A.
2.6
Trench Drains: Comply with ASME A112.21.1M.
1.
Manufacturers: Unless otherwise directed by the Owner, provide products by one of the
following:
a.
Josam Co.
b.
Neenah.
c.
Smith, Jay R. Mfg. Co.
d.
Tyler Pipe, Wade Div.
e.
Watts Industries, Inc.
f.
Zurn Industries, Inc.
2.
Body Material: Gray iron.
3.
Seepage Flange: Anchor flange.
4.
Clamping Device: Required.
5.
Outlet: As Indicated.
6.
Grate Material: Ductile iron.
7.
Grate Finish: Painted.
8.
Dimensions of Frame and Grate: As Indicated.
9.
Top Loading Classification: Heavy Duty.
10.
Top Material: Cast iron.
THROUGH-PENETRATION FIRESTOP ASSEMBLIES
A.
2.7
ME- Building Group
Through-Penetration Firestop Assemblies:
1.
Basis-of-Design Product: Subject to compliance with requirements, provide product
indicated on Drawings or comparable product by the following:
ProSet Systems Inc.
Standard: ASTM E 814, for through-penetration firestop assemblies.
2.
Certification and Listing: Intertek Testing Service NA for through-penetration firestop
assemblies.
3.
Size: Same as connected pipe.
4.
Sleeve: Molded PVC plastic, of length to match slab thickness and with integral nailing
flange on one end for installation in cast-in-place concrete slabs.
5.
Stack Fitting: ASTM A 48/A 48M, gray-iron, hubless-pattern, wye branch with neoprene
O-ring at base and gray-iron plug in thermal-release harness. Include PVC protective cap
for plug.
6.
Special Coating: Corrosion resistant on interior of fittings.
FLASHING MATERIALS
Zinc-Coated Steel Sheet: ASTM A 653 with 0.20 percent copper content and 0.04-inch minimum
thickness, unless otherwise indicated. Include G90 hot-dip galvanized, mill-phosphatized finish
for painting if indicated.
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Revision Date: 01/21/14
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Project & Bid Package
Storm Drainage Piping Specialties
ME- Building Group
Elastic Membrane Sheet: ASTM D 4068, flexible, chlorinated polyethylene, 40-mil minimum thickness.
Fasteners: Metal compatible with material and substrate being fastened.
Metal Accessories: Sheet metal strips, clamps, anchoring devices, and similar accessory units
required for installation; matching or compatible with material being installed.
Solder: ASTM B 32, lead-free alloy.
Bituminous Coating: SSPC-Paint 12, solvent-type, bituminous mastic.
PART 3 - EXECUTION
3.1
INSTALLATION
A.
Refer to Division 22 Section "Common Work Results For Plumbing" for piping joining materials,
joint construction, and basic installation requirements.
B.
Install backwater valves in building drain piping where indicated or required by jurisdiction. For
interior installation, provide cleanout deck plate flush with floor and centered over backwater
valve cover, and of adequate size to remove valve cover for servicing.
C.
Install cleanouts in aboveground piping and building drain piping according to the following,
unless otherwise indicated:
1.
Size same as drainage piping up to NPS 4. Use NPS 4for larger drainage piping unless
larger cleanout is indicated.
2.
Locate at each change in direction of piping greater than 45 degrees.
3.
Locate at minimum intervals of 50 feet for piping NPS 4 and smaller and 100 feet for
larger piping unless local jurisdiction requires otherwise.
4.
Locate at base of each rain conductor, if indicated.
5.
Locate at exit of building piping per local jurisdiction.
D.
Install cleanout deck plates with top flush with finished floor, for floor cleanouts for piping below
floors.
E.
Install cleanout wall access covers, of types indicated, with frame and cover flush with finished
wall, for cleanouts located in concealed piping.
F.
Install flashing flange and clamping device with each stack and cleanout passing through floors
with waterproof membrane.
G.
Install roof drains at low points of roof areas according to roof membrane manufacturer's written
installation instructions.
1.
Install roof-drain flashing collar or flange so no leakage occurs between drain and
adjoining roofing. Maintain integrity of waterproof membranes where penetrated.
2.
Position roof drains for easy access and maintenance.
H.
Fasten wall-hanging storm drainage piping specialties securely to supports attached to building
substrate if supports are specified and to building wall construction if no support is indicated.
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Revision Date: 01/21/14
File name: 106735631
Project & Bid Package
Storm Drainage Piping Specialties
ME- Building Group
I.
Fasten recessed-type storm drainage piping specialties to reinforcement built into walls.
J.
Install wood-blocking reinforcement for wall-mounting and recessed-type storm drainage piping
specialties.
K.
Install escutcheons at wall, floor, and ceiling penetrations in exposed finished locations and
within cabinets and millwork. Use deep-pattern escutcheons if required to conceal protruding
pipe fittings.
3.2
CONNECTIONS
A.
Piping installation requirements are specified in other Division 22 Sections. Drawings indicate
general arrangement of piping, fittings, and specialties.
B.
Install piping adjacent to equipment to allow service and maintenance.
3.3
FLASHING INSTALLATION
A.
Fabricate flashing manufactured from single piece unless large pans, sumps, or other drainage
shapes are required.
B.
Install sheet flashing on pipes, sleeves, and specialties passing through or embedded in floors
and roofs with waterproof membrane.
1.
Pipe Flashing: Sleeve type, matching pipe size, with minimum length of 10 inches and
skirt or flange extending at least 8 inches around pipe.
2.
Sleeve Flashing: Flat sheet, with skirt or flange extending at least 8 inches around
sleeve.
3.
Embedded Specialty Flashing: Flat sheet, with skirt or flange extending at least 8 inches
around specialty.
C.
Set flashing on floors and roofs in solid coating of bituminous cement.
D.
Secure flashing into sleeve and specialty clamping ring or device.
E.
Install flashing for piping passing through roofs with counterflashing or commercially made
flashing fittings, according to Division 7 Section "Sheet Metal Flashing and Trim."
3.4
PROTECTION
A.
Protect drains during remainder of construction period to avoid clogging with dirt and debris and
to prevent damage from traffic and construction work.
B.
Place plugs in ends of uncompleted piping at end of each day or when work stops.
3.5
COMMISSIONING
A.
Before startup, perform the following checks:
1.
System tests are complete.
2.
Damaged and defective specialties and accessories have been replaced or repaired.
3.
Clear space in provided for servicing specialties.
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Storm Drainage Piping Specialties
ME- Building Group
B.
Before operating systems, perform the following steps:
1.
Verify that drainage piping is clear of obstructions. Flush with water until clear.
C.
Startup Procedures: Follow manufacturer’s written instructions.
D.
Adjust operation and correct deficiencies discovered during commissioning.
END OF SECTION
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Revision Date: 01/21/14
File name: 106735631
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