HomeMy WebLinkAbout22 13 00CORNELL DIVISION 22 - PLUMB ING
Ithaca, New York SECTION 22 13 00 - SANITARY DRAINAGE SYSTEM
CLARA DICKSON HALL SANITARY DRAINAGE SYSTEM 22 13 00 - 1
WASTE & STORM LINE REPLACEMENT DECEMBER 31, 2014
SECTION 22 13 00 SANITARY DRAINAGE SYSTEM
1.0 GENERAL
1.1 RELATED DOCUMENTS
A.Drawings and General Provisions of Contract, including General and Supplementary Conditions
and other Division 1 Specification Sections, apply to this Section.
B.The Contract Drawings and the General Provisions of the Contract, including the General
Conditions of the Contract for Construction, Supplementary Conditions, Special Conditions and
Division 1 Specification Sections apply to the work of this Section.
C.The Work of Section 22 05 00 - Plumbing Basic Materials and Methods applies to the Work of
this Section.
1.2 WORK INCLUDED
A.Provide a complete, operating, tested, functioning, documented sanitary drainage system
including all work shown, specified or required for proper system operation.
1.3 SUBMITTALS
A.Submit the following sanitary drainage system equipment and materials:
1.Cast-ir on pipe and fit tings
2.Coupli ngs
3.PVC pipe, fittings and joining materials
4.PVC SDR 35 pipe an d fitt ings
2.0 PRODUCTS
2.1 GENERAL
A.See Specification Section 22 05 00 for Plumbing Basic Materials and Methods.
B.Refer to “P” drawings per equipment schedules.
3.0 EXECUTION
3.1 INSTALLATION
A.Survey: BEFORE beginning the installation of drainage piping, survey the route and check for
interferences.
B.Size wastes according to the notations of the Drawings but wastes shall never be less than the
fixture waste size.
CORNELL DIVISION 22 - PLUMB ING
Ithaca, New York SECTION 22 13 00 - SANITARY DRAINAGE SYSTEM
CLARA DICKSON HALL SANITARY DRAINAGE SYSTEM 22 13 00 - 2
WASTE & STORM LINE REPLACEMENT DECEMBER 31, 2014
3.2 GENERAL PIPING INSTALLATION
A.Install piping approximately as indicated, straight, plumb and as directly as possible.
B.Keep all piping as high as possible.
C.Do not install piping across windows or doors.
D.Install exposed risers as close to wall as possible (without cutting escutcheons).
E.Concea ling Pip ing:
1.Conceal all piping in finished rooms unless otherwise noted.
2.Install pipe in time for tests and /or approvals.
3.Expose fixture branches only as much as is necessary for final connections.
4.Install pipe in furred spaces so that minimum furring will be required.
F.Provide drainage piping of sizes noted or as required for equipment requiring drains.
G.Use proper adapters between dissimilar pipes. These shall be manufactured products designed for
the purpose.
H.Use full length of pipe wherever possible.
I.Ream and file ends of pipe before installation to remove all burrs. Remove all metal chips and
filings.
J.Do not use bent pipe.
K.Use only strap wrenches or other non-marring tool on chrome plated, brass or copper pipe and
fittings. Replace marred pipe and fittings.
L.Arrows shown on pipelines on Drawings indicate the direction of flow within the pipeline.
3.3 NO-HUB PIPE INSTALLATION
A.Use heavy duty couplings as specified following manufacturer’s recommended torquing in
inch-pounds.
3.4 PROTECTION
A.Protect all pipe and equipment openings during construction with temporary plugs, caps or
burlap.
CORNELL DIVISION 22 - PLUMB ING
Ithaca, New York SECTION 22 13 00 - SANITARY DRAINAGE SYSTEM
CLARA DICKSON HALL SANITARY DRAINAGE SYSTEM 22 13 00 - 3
WASTE & STORM LINE REPLACEMENT DECEMBER 31, 2014
3.5 TURNS AND OFFSETS
A.Turns:
1.From vertical to horizontal:
a.Less than 3": Use long sweep or extra-long turn el bow.
b.3" and larger: Use short sweep or 90° long turn drainage el bow.
2.From horizontal to vertical: Use quarter bends or 90° short turn fittings.
3.Horizontal piping: Use 45° wyes, long sweeps; 1/4, 1/6, 1/8 and 1/16 bends or any
combination of same.
4.For vents in any direction; Use quarter bends or 90° short turn fittings.
B.Offsets:
1.Make offsets at no less than 45° angle to the horizontal in the following cases:
a.Offsets in stack vent portion of soil and waste stacks 9 above the highest fixture
drainage connection).
b.Offset in vent stacks.
3.6 DRAIN AND SEWER GRADES
A.Pitch sanitary drains down in the direction of flow sags or pockets. Grade at c" per foot
minimum for lines 4" and larger, ¼" per foot for lines 3" and smaller.
B.Vent lines shall be pitched upward continuously from its lowest connection to waste or soil lines.
C.Tolerance: Piping deviating more than 1" in alignment grade or invert elevation must be replaced.
D.Survey: Before beginning installation of drainage piping. Survey the route and check for
interferences, either from other pipe lines or from the structure or work of other crafts.
3.7 CLEANOUTS
A.Provide cleanouts as required by the Plumbing Code and as follows.
B.Cleanouts shall be installed as follows:
1.At each bend exc eedin g an angle gr eater than 45 °.
2.At the bottom of stacks.
3.At 50 foo t inte rvals max imum in hori zontal runs of piping 4 " and smaller.
4.At 100 fo ot int ervals maximum in hor izonta l runs o f pipi ng 5" and larger.
5.Where buildi ng drain leaves t he buil ding.
CORNELL DIVISION 22 - PLUMB ING
Ithaca, New York SECTION 22 13 00 - SANITARY DRAINAGE SYSTEM
CLARA DICKSON HALL SANITARY DRAINAGE SYSTEM 22 13 00 - 4
WASTE & STORM LINE REPLACEMENT DECEMBER 31, 2014
3.8 INSPECTION AND TEST
A.Newly installed and renovated drainage piping shall be subjected to a static pressure test.
1.Notify Municipal Code Compliance Office two (2) working days in advance of the test.
Arrange to have the test witnessed.
B.Static Pressure Test:
1.Abovegrou nd Pipi ng:
a.Tight ly close all ope nings in pipes e xcept the high est ope ning.
b.Fill system with water to poi nt of overflow.
c.If system is tested in sections, tightly plug each opening except highest opening
of section under test.
d.Fill each section with water and test with at least 3 m (10 foot) head of water.
e.In testing successive sections, test at least upper 3 m (10 feet) of next preceding
section so that each joint or pipe except uppermost 3 m (10 feet) has been
submitted to a test of at least a 3 m (10 foot) head of water.
f.Water shall be kept in the system, or in portion under test, for at least 30 minutes
before inspection starts.
g.System shall be drop tight for period of two (2) hours.
2.Pipe located underground or under floor slab:
a.Bloc k all open ings in th e syst em.
b.At some convenient point, erect a stack on the line to a height of not less than 10
ft. above the horizontal line.
c.Fill stack until horizontal lines and stack are filled and stack overflows.
d.System shall be drop tight for a period of 4 hours.
C.When test reveals that a line has faulty joints, joints that have leaked shall be remade and the
system shall be retested for a minimum of double (2 times) the normally required test period.
D.Prepare a report of test and required corrective action and submit to Engineer.
***END OF SECTION 22 13 00***