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B. Install pipe so that it does not interfere with opening of doors or apparatus, access to equipment, or to
electrical equipment.
C. Do not install pipes in such a way that they will apply torque to pumps. After pumps have been installed and
pumps have been operated, recheck and realign pumps if necessary.
D. Run pipes in straight lines and square with building. Install risers plumb. Make offsets only where indicated and
where necessary.
E. Install branch connections using separate tee or lateral fittings for each branch. Do not combine branches into
"bullhead tee" arrangement.
F. Do not install water pipes in electric rooms, switchgear rooms, tele /data rooms, transformer rooms, audio /visual
rooms or elevator equipment rooms. Water piping shall not be brought into electrical rooms for electrical grounding.
G. Do not install piping above electrical equipment such as starters, variable frequency drives, motor control
centers, or disconnects. Maintain code required clearance above, below and to sides of electrical equipment. Piping
not permitted to run over any electrical panels.
H. Provide flanges and unions throughout the pipe systems at all equipment. Make provisions for servicing and
removal of equipment without dismantling piping.
I. In so far as possible, drainage piping shall not be installed overhead, whether exposed or above ceiling, in
operating rooms, delivery rooms, nurseries, food preparation or serving areas, and in rooms listed above. Where
unavoidable, provide drain troughs or other means to carry away leakage and run waste line to nearest sink. Drop 1"
through ceiling and spill over sink. Provide with chrome escutcheon.
J. Piping Expansion:
1. Install piping to allow thermal expansion and contraction without damage to piping, equipment or structure.
a. Use loops or expansion joints where necessary and where detailed.
b. Provide pipe guides.
2. Where screwed piping is used for soil, waste, or vent risers, or downspouts, use caulked joints or expansion joints
at intervals to allow expansion movement.
3.02 PIPE JOINTING
A. Preparing Pipe Ends:
1. Machine cut pipe ends square.
2. Ream pipe ends, after cutting, to full diameter.
3. Where pipe is to be threaded, secure pipe in pipe stand, die cut, full depth, right hand threads. Threads to be
taper type.
4. All threaded pipe joints to have suitable pipe sealant applied to threads prior to assembly of joint. Joints shall
be leak proof.
5. Where pipe is to be welded, die -cut end of butt joints at 30 degree taper. Weld should have a full penetration with
no bubbles or holes. Remove all slag.
B. Soldered and Brazed Joints:
1. Make soft copper pipe joints with suitable flux and 95/5, lead free solder.
2. Make type K copper pipe joints with suitable flux and high melt point silver solder or phos- copper solder.
3. Domestic cold and hot water piping 4" and larger and all chilled water and heating hot water shall be brazed. Copper
to copper joints shall be brazed using a copper - phosphorus or copper- phosphorus - silver brazing filler metal (B -Cup
Series) without flux. Dissimilar metals such as copper and bronze or brass shall be brazed using an appropriated flux
with a silver (BAG Series) brazing filler metal.
C. Copper Press Fittings:
1. Copper press fittings shall be made in accordance with the manufacturer's installation instructions. The ProPress
bronze or copper fittings: Pipe ends shall be cut on a right angle (square) to the pipe. Pipe ends shall be reamed and
chamfered, all grease, oil or dirt shall be removed from the pipe end with a clean rag. Visually examine the fitting sealing
element to insure there is no damage, and it is properly seated into the fitting. Insert pipe fully into the fitting. Make a
mark with a felt tip pen on the pipe at the face of the fitting. Always examine the tube to insure it is fully inserted into the
fitting prior to pressing the joint. ProPress fittings 1/2-inch thru 4 -Inch shall be joined using Ridgid ProPress Tools. 2 -1/2 -inch
thru 4 -inch ProPress copper fittings shall utilize Ridgid ProPress XLC Rings, and 2 -1/2 -inch thru 4 -inch bronze ProPress
fittings shall utilize Ridgid ProPress XL Rings. ProPress fittings shall be installed according to the most current edition of the
Viega installation guidelines. Sealing elements shall be verified for the intended use. Installers shall attend a Viega ProPress
installation training class.
2. Copper press fittings shall be made in accordance with the manufacturer's installation instructions.
D Cast Iron Pipe Joints:
1. Install compression gaskets and heavy duty No -Hub bands in accordance with CISPI installation methods and
manufacturer's instructions. Provide with 80 pounds of torque, 100 pounds maximum on tightening of screws on the
gasket. Piping up to and including 4 -inch shall have a minimum of four (4) sealing bands, 3 -inch wide. Coupling sizes
5 -inch up to 10 -inch shall have six (6) sealing bands, 4 -inch wide.
E. Bracing Joints:
1. Provide braces and bridle rods as required to reinforce joints.
2. If mechanical lock type couplings are used, then prepare pipe ends and make joints in accordance with pipe coupling
manufacturer's printed instructions.
3. Where large pipes underground are subject to shock because of sudden changes in liquid flow rate, provide concrete
"kicker" blocks at joints, fittings, and changes of pipe direction. Provide "kicker" blocks in accordance with
applicable pipe industry trade or research organization recommendations.
3.03 ESCUTCHEONS
A. Provide chrome plated escutcheons where uninsulated pipes penetrate walls or ceilings of finished spaces.
3.04 VALVE ACCESS
A. Locate ceiling /wall access panels at shut -off and control valves for proper access and operation. Furnish and
install access doors in accordance with Section 15050 and other Divisions as applicable.
3.05 TESTING
A. Before piping is concealed, recheck it for leaks.
B. Rework or replace defective and leaking joints, and joints which are otherwise unsatisfactory. Peening, caulking,
C. After After ProPress fittings have been installed a "step test" shall be followed. Utilizing air, water, or Nitrogen, pressurize
the system not to exceed 85 psi. Walk the system and check for leaks. If you do not locate any leaks proceed to
pressurize the system to the recommended pressures, not to exceed 600 psi. Should you locate a leaking joint that has
not been pressed, relieve the pressure from the system, insure the tube is fully inserted into the fitting and proceed to
press the fitting. Should you locate a fitting that is leaking that has been previously pressed, you can press the fitting a
second time. Resume testing procedure, after the necessary repairs have been made.
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PIPE HANGERS
SECTION 15061
PIPE HANGERS
PART 1 - PART 1 - GENERAL
1.01 RELATED WORK
A. Section 15060: Piping and Fittings
B. Section 15250: Plumbing System Insulation
1.02 SUBMITTALS
A. Submit product data for review.
PART 2 - PART 2 - PRODUCTS
2.01 ACCEPTABLE MANUFACTURERS
A. Grinnell by Anvil, Fee and Mason, B -Line, Viking, PHD, and Reliable. Grinnell numbers are used for reference.
B. Plumbing and Medical Gas roughin within wall to fixtures shall be provided with HoldRite Mounting System to
secure piping in place and prevent movement.
PART 3 - HANGERS
A. Grinnell Figure #260 MSS Type 1, clevis hangers for: Non - insulated steel and galvanized piping 2" through 24"
diameter. Non - insulated cast iron pipe - 3" and larger.
B. Grinnell Figure #260 clevis hangers with Figure 167, MSS Type 40 galvanized insulation protection shields (sized
for supporting insulation having a compressive strength of 4 psi). Support piping on outside of insulation. Size
hangers so that pipe insulation passes through them without interruption.
1. All insulated piping.
C. Grinnell Figure CT -69, MSS Type 10 with adjustable wrought tubing ring hanger, copper plated for:
1. Non - insulated copper tubing with no longitudinal movement. Non - insulated cast iron piping up to 2" and less.
D. Grinnell Figure #261, MSS Type 8, riser clamps (at floor slab penetrations) to support:
1. Steel pipe risers.
2. Grinnell Figure #CT -121, MSS Type 8, riser clamps (at floor penetrations) to support: Copper pipe risers.
E. Grinnell Powerstrut Trapeze Hangers: Where three or more lines of pipe run parallel, support them with trapeze
hangers. Isolation of copper tubing from dissimilar metals shall be provided through the use of PHD manufacturing,
model #2501 -2514 clamp with cushion unistrut clamps on all uninsulated copper pipes including domestic cold water and
medical gas piping. Tape will not be an acceptable method. All piping systems shall be clamped to trapeze hanger. For
insulated pipes clamps shall be sized for circumference of insulation and insulation shield.
F. All non - copper hangers on interior piping shall be hot dipped galvanized steel including hanger rod, hanger,
washers and nuts.
3.01 INSERTS
A. Concrete Insert: Grinnell Figure #281, MSS Type 18, universal concrete inserts, adequately sized and correctly
positioned to support full load operating systems.
B. Concrete Insert, Wedge Type: Grinnell Figure #281, 1/4" to 7/8 ".
C. Lightweight Concrete Insert: Grinnell Figure #285.
D. Continuous Concrete Insert: Grinnell Powerstrut Figure #PS -349 pre - galvanized.
3.02 EXPANSION ANCHORS
A. Hilti kwik -bolt, zinc plated, metal expansion anchor to be used on existing construction.
B. Anchor to meet U.L., ICBO -4627 and F.M. Listings.
3.03 CLAMPS
A. C-Clamps: Grinnell Figure #87, MSS Type 23, with retainer strap.
B. Use these for attaching hangers to steel beams. Do not weld hanger rods to structural steel members.
C. Malleable Beam Clamps: Grinnell Figure #218, MSS Type 30: Use these for attaching hangers to bar joists.
PART 4 - EXECUTION
4.01 PIPE HANGERS
A. Support pipes on specified hangers so that equipment, pumps, and fittings do not bear weight or stresses from
vibration and swaying of pipe. Support pipe risers at regular intervals in pipe shafts at least once at each floor
level or a maximum of 12' -0" apart. Do not use perforated metal, strap iron, or band iron. Do not make offsets in
hangers.
B. Maximum allowable spacing of pipe hangers shall be in accordance with the Florida State Building Code - 2010
Mechanical and Plumbing. Space hangers and brackets at closer intervals where necessary to maintain levels, slopes,
and drainage, or to prevent sagging or swaying of pipe..
C. Cast Iron Pipe. In addition to the code requirements, provide minimum of one hanger per section close to joint
on barrel and at change of direction and branch connection.
D. Anchorage shall be provided to restrain drainage piping from axial movement. For pipe sizes greater than 4
inches, restraints shall be provided for drain pipes at all changes in direction and at all changes in diameter greater
than two pipe sizes. Braces, blocks and rodding shall be utilized.
VALVES
SECTION 15100
VALVES
PART 1 - GENERAL
1.01 RELATED WORK
A. Section 15060: Piping and Fittings
1.02 QUALITY ASSURANCE
PART 2 - PRODUCTS
2.01ACCEPTABLE MANUFACTURERS
A. Bronze body valves: Nibco, Watts, Milwaukee, Apollo.
B. Ball valves: Conbraco, Nibco, Apollo, ,Milwaukee, Watts.
2.02 MATERIALS
A. Apollo or Nibco Figure numbers are indicated below unless noted otherwise:
B. Check Valves: Lead free
1. Domestic Water:
a. 2" and less, Nibco T -413 LF or S -413 LF, bronze swing check valve with nonmetallic disc: No forged brass, threaded
or solder, Class 150. Lead free NSF /ANSI G61 ANNEX G.
C. Ball Valves: Lead free
1. General - Select with Full port opening, blow -out proof stem, hard chrome plated forged brass vented ball,
adjustable packing nut, rated not less than 600# W.O.G., 150 W.S.P.
2, Domestic Water
a. 2" and less, Nibco T /S /PC585- 80 -LF, 2- piece, full port, bronze ball valve with stainless steel. Trim: No forged brass.
600 psi, WOG, TFE seats. Lead Free, Silicon Bronze, NSF /ANSI G61.
b. For insulated pipe service previde non - thermal conductive material that meet U.L. 2043. Basis
of design: Nibco NIB -Seal.
3. Circulating Water Piping
a. 2" and less Apollo 77c -100 or 200 or Nibco T- 585 -70 or S- 585 -70, 2- piece, full port, 600 psi, WOG,
TFE seats.
4. Provide extended lever for insulated service.
D. Valve connections: Two inches and smaller - threaded; 2 -1/2 inches and larger - flanged.
E. Provide valves with Male Press adapters for connection to Press Copper System.
9
PART 3 - EXECUTION
7
3.01 INSTALLATION
A. Furnish and install valves in each piping connection at each piece of plumbing equipment to allow
equipment to be isolated from piping systems.
B. Furnish and install valves in plumbing water piping to isolate each floor or main section of the
building. Install sufficient number of valves to minimize the portion of the system which must be shut down for service
or maintenance purposes.
C. Install butterfly valves in water piping systems so ordinary maintenance work can be performed on the equipment
butterfly valves isolate, without having to drain the system beyond the butterfly valve.
D. Locate valves so as to be accessible by maintenance personnel.
E. Plumbing contractor shall provide a complete test and balance report of all domestic hot water return valves and
hot water return recircuting pumps indicating flow rates, capacities and pressure. Coordinate with HVAC test and
balance contractor.
SLEEVES AND THROUGH PENETRATIONS
SECTION 15103
SLEEVES AND THROUGH PENETRATIONS
PART 1 - GENERAL
1.01 WORK INCLUDED
A. Provide sleeves for piping installed under this Division as specified herein.
B. Seal pipe penetration as specified herein.
1.02 COORDINATION
A. Coordinate requirements of through penetration firestopping with Division 7.
1.03 RELATED WORK
A. Division 7: Firestopping
1.04 REFERENCES
A. UL Fire Resistance Directory, latest edition.
B. ASTM - E814 -88: Standard Test Method for Fire Tests of Through - Penetration Firestops.
PART 2 - PRODUCTS
2.01 SLEEVES
A. Materials
1. Concrete floors, concrete and masonry walls: 18 gauge galvanized sheetmetal.
2. Drywall partitions: 18 gauge galvanized steel sheet metal.
B. Sleeves shall be sized such that the annular space between outside surface of pipe or pipe insulation and the
inside surface of the sleeve is not less than 1/2 ". Provide larger annular space if required by firestopping product
installation instructions.
C. Sleeves supporting riser piping 4" and larger shall have three 6" long reinforcing rods welded radically at 120
degree spacing to the sleeve and shall be installed with the rods embedded in the concrete slab,
2.02 ESCUTCHEON PLATES
A. Provide B & C No. 10 or equal chrome plated escutcheon plates where pipes penetrate partitions or ceilings in
finished areas.
PART 3 - EXECUTION
3.01 INSTALLATION
A. Sleeves:
1. Floors: sleeve all pipe penetrations. Extend sleeve 1 -1/2" above finished floor, except piping within pipe chases.
Sleeve shall be flush with underside of floor.
2. Masonry or concrete walls: sleeve all pipe penetrations, Sleeves shall be flush on both sides of wall.
3. Drywall partitions: sleeve all penetrations of piping in systems over 160 F.
4. Seal voids between outside surface of sleeve and wall, partition or floor. Seals shall be airtight.
5. Install piping, insulation and sleeves in strict accordance with applicable U.L. floor or partition assembly
instructions. Coordinate with Division 7 firestop manufacturer's installation instructions.
B. Penetrations not sleeved or firestopped:
1. Seal voids between pipe and partition. Seals shall be airtight.
C. Escutcheon Plates
1. Provide chromium plated escutcheon plates for exposed uninsulated pipes projecting through floors or walls in
"finished" spaces. Mechanical rooms, storerooms, electric closets, and janitors closets are not considered "finished"
spaces.
a. Clearance between sleeve and pipe: Minimum of 1/2 inch for hot piping and 1 inch for cold piping or as otherwise
dictated by UL Fire Resistance Directory.
PLUMBING SYSTEMS INSULATION
SECTION 15250
PLUMBING SYSTEMS INSULATION
PART 1 - GENERAL
1.01 DEFINITIONS
A. Exposed - Equipment, ducts and piping in areas which will be visible without removing ceilings or opening access
panels.
B. Concealed - Installed above ceiling, in walls or chases.
C. Outdoors - Exposed to the weather or ambient conditions.
D. Underground - Buried.
1.02 CERTIFICATION /QUALITY ASSURANCE
A. Insulation, adhesives, coatings, sealers, tapes, shall have a flame spread rating of 25 or less and smoke
development of 50 or less in accordance with ASTM E -84 and UL 723
B. Materials shall meet the requirements of NFPA 90 -A.
1.03 SUBMITTALS
A. Submit manufacturer's product data and installation procedures for review.
PART 2 - PRODUCTS
2.01 PIPE AND EQUIPMENT INSULATION
A. Materials for Pipe and Equipment: Provide factory premolded or shop or site mitered segment type insulation for
pipe, pipe fittings, and valves,
B. Fitting insulation: Same thickness and material as adjoining pipe insulation.
C. Flexible Tubular Elastomeric:
1. Provide fire - retardant closed -cell slip -on flexible type, Minimum "R" value of 2.57.
2. Acceptable manufacturers: LS manufactured by K -Flex USA.
3. Use on the following services:
a. Moisture condensate drains - 1" thick, LS 3ft white seal seam.
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&T1 A R R A Y
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