Section 334100
STORM UTILITY DRAINAGE
PIPING
1205 Proposed Firehouse for
Nanuet Fire District
SECTION 334100 - STORM UTILITY DRAINAGE PIPING
PART 1 - GENERAL
1.1
RELATED DOCUMENTS
A.
1.2
Drawings and general provisions of the Contract, including General and Supplementary
Conditions and Division 01 Specification Sections, apply to this Section.
SUMMARY
A.
Section Includes:
1.
2.
3.
4.
B.
Related Sections:
1.
2.
3.
4.
1.3
Pipe and fittings.
Slotted Drains
Catch basins.
Stormwater Treatment Units
Section 312000 “Earth Moving” for excavating, bedding, backfill, and compaction.
Section 312319 “Dewatering” for removal and disposal of water from excavations.
Section 315000 “Excavation Support and Protection” for shoring of excavations.
Stormwater Pollution Prevention Plan.
DELIVERY, STORAGE, AND HANDLING
A.
Do not store plastic pipe and fittings in direct sunlight.
B.
Protect pipe, pipe fittings, and seals from dirt and damage.
C.
Handle catch basins, stormwater treatment units, and appurtenances according to manufacturer's
written rigging instructions.
1.4
ACTION SUBMITTALS
A.
Shop drawings for all slotted drains, catch basins, frames and grates, and stormwater treatment
units.
B.
Product data and specifications for all piping, slotted drains, catch basins, frames and grates,
and stormwater treatment units.
STORM UTILITY
DRAINAGE PIPING
Section 334100 - Page 1
Section 334100
1.5
STORM UTILITY DRAINAGE
PIPING
1205 Proposed Firehouse for
Nanuet Fire District
QUALITY ASSURANCE
A.
Pre-construction Conference: A pre-construction conference will be conducted at Project site by
the Construction Manager. The Contractor is required to attend.
B.
Comply with requirements of the Stormwater Pollution Prevention Plan.
1.6
PROJECT CONDITIONS
A.
Interruption of Existing Storm Drainage Service: Do not interrupt existing drainage systems
unless permitted under the following conditions and then only after arranging to provide
temporary drainage according to requirements indicated:
1.
2.
B.
Notify Construction Manager no fewer than seven days in advance of proposed
interruption of drainage.
Do not proceed with interruption of service without Construction Manager's written
permission.
Comply with all requirements of New Jersey Transit with regard to drainage work occurring on
property owned by New Jersey Transit.
PART 2 - PRODUCTS
2.1
PIPES AND FITTINGS
A.
High Density Polyethylene Piping (HDPE): Hancor Blue Seal WT pipe and couplings or
approved equal.
B.
High Q High Density Polyethylene Piping (HI-Q): Hancor Hi-Q pipe and couplings or approved
equal.
C.
Polyvinylchloride Piping (between Catch Basin CB-S3and CB-S4): SDR-35 PVC pipe and
couplings.
2.2
SLOTTED DRAINS
A.
2.3
Contech or approved equal. Aluminized steel, Type 2, 16 gauge, variable height grates with H20 loading.
CATCH BASINS
A.
Designed Precast Concrete Catch Basins: Fort Miller or approved equal. ASTM C 478, precast,
reinforced concrete; designed according to A-16 (ASSHTO HS20-44), heavy-traffic, structural
loading; of depth, shape, and dimensions indicated on the Drawings.
STORM UTILITY
DRAINAGE PIPING
Section 334100 - Page 2
Section 334100
1.
2.
B.
1205 Proposed Firehouse for
Nanuet Fire District
Steps: Plastic coated steel rungs conforming to NYSDOT 725-02.01 as indicated on the
Drawings.
Pipe Connectors: ASTM C 923, resilient, of size required for each pipe connecting to
base section.
Frames and Grates: Campbell Foundry, 3408, heavy duty with HS-20 load rating or approved
equal. ASTM A 536, Grade 60-40-18, ductile iron designed for A-16, structural loading.
1.
2.4
STORM UTILITY DRAINAGE
PIPING
Size: As indicated on Drawings.
STORMWATER TREATMENT UNITS
A.
STU-N1: CDS2015-4, including cast iron frames and covers as manufactured by Contech
Stormwater Solutions. (Note this is a NYSDEC approved proprietary treatment practice.
Accordingly, any alternative unit that may be proposed must be approved by NYSDEC for such
use and the burden of proving such approval shall be borne by the Contractor.) Rated treatment
capacity of 0.7 cfs with a maximum internal bypass capacity of 10.0 cfs. Structures and
castings shall be as required to AASHTO HS-20 load rating.
B.
STU-W1: CDS3020, including cast iron frames and covers as manufactured by Contech
Stormwater Solutions. (Note this is a NYSDEC approved proprietary treatment practice.
Accordingly, any alternative unit that may be proposed must be approved by NYSDEC for such
use and the burden of proving such approval shall be borne by the Contractor.) Rated treatment
capacity of 2.0 cfs with a maximum internal bypass capacity of 20.0 cfs. Structures and
castings shall be as required to AASHTO HS-20 load rating.
C.
STU-S1: CDS2015-4, including cast iron frames and covers as manufactured by Contech
Stormwater Solutions. (Note this is a NYSDEC approved proprietary treatment practice.
Accordingly, any alternative unit that may be proposed must be approved by NYSDEC for such
use and the burden of proving such approval shall be borne by the Contractor.) Rated treatment
capacity of 0.7 cfs with a maximum internal bypass capacity of 10.0 cfs. Structures and
castings shall be as required to AASHTO HS-20 load rating.
PART 3 - EXECUTION
3.1
EARTHWORK
A.
3.2
Excavation, trenching, and backfilling are specified in Section 312000 "Earth Moving."
PIPING INSTALLATION
A.
General Locations and Arrangements: Drawing plans and details indicate general location and
arrangement of underground storm drainage piping. Location and arrangement of piping layout
take into account design considerations. Install piping as indicated, to extent practical. Where
specific installation is not indicated, follow piping manufacturer's written instructions.
STORM UTILITY
DRAINAGE PIPING
Section 334100 - Page 3
Section 334100
STORM UTILITY DRAINAGE
PIPING
1205 Proposed Firehouse for
Nanuet Fire District
B.
Install piping beginning at low point, true to grades and alignment indicated with unbroken
continuity of invert. Place bell ends of piping facing upstream. Install gaskets, seals, sleeves,
and couplings according to manufacturer's written instructions for use of lubricants, cements,
and other installation requirements.
C.
Install catch basins for changes in direction.
D.
Install gravity-flow drainage piping according to the following:
1.
2.
3.
3.3
Install piping pitched down in direction of flow.
Install piping with minimum cover as indicated on Drawings.
Install all piping according to ASTM D 2321, manufacturers’ recommended installation
guidelines, and Drawings.
PIPE JOINT CONSTRUCTION
A.
Join gravity-flow, nonpressure drainage piping according to the following:
1.
3.4
Join piping according to manufacturers’ recommended installation guidelines.
CATCH BASIN INSTALLATION
A.
Construct catch basins to sizes and shapes indicated on Drawings.
B.
Set frames and grates to initial temporary elevations (to align with top of bituminous concrete
binder course). Reset frames and grates to permanent elevations as indicated on Drawings after
all superstructure work is complete. Coordinate same with the installation of the bituminous
concrete wearing course.
3.5
STORMWATER TREATMENT UNIT INSTALLATION
A.
3.6
Install units in accordance with manufacturers’ recommended installation guidelines and
Drawings.
CONNECTIONS
A.
3.7
Connect nonpressure, gravity-flow roof drainage piping to catch basins as indicated on
Drawings.
IDENTIFICATION
A.
Install green warning tape directly over piping and at outside edges of underground structures.
1.
Use detectable warning tape over nonferrous piping and over edges of underground
structures.
STORM UTILITY
DRAINAGE PIPING
Section 334100 - Page 4
Section 334100
3.8
STORM UTILITY DRAINAGE
PIPING
1205 Proposed Firehouse for
Nanuet Fire District
FIELD QUALITY CONTROL
A.
Inspect interior of piping to determine whether line displacement or other damage has occurred.
Inspect after approximately 24 inches of backfill is in place, and again at completion of Project.
1.
2.
Submit separate reports to the Construction Manager for each of the three different flow
routes and each route inspection.
Defects requiring correction include the following:
a.
b.
c.
d.
e.
3.
4.
B.
Alignment: Less than full diameter of inside of pipe is visible between structures.
Deflection: Flexible piping with deflection that prevents passage of ball or cylinder
of size not less than 92.5 percent of piping diameter.
Damage: Crushed, broken, cracked, or otherwise damaged piping.
Infiltration: Water leakage into piping.
Exfiltration: Water leakage from or around piping.
Replace defective piping using new materials, and repeat inspections until defects are
within allowances specified.
Reinspect and repeat procedure until results are satisfactory.
Test new piping systems, and parts of existing systems that have been altered, extended, or
repaired, for leaks and defects.
1.
2.
3.
4.
5.
Do not enclose, cover, or put into service before inspection and approval.
Test completed piping systems according to requirements of authorities having
jurisdiction.
Schedule tests and inspections by authorities having jurisdiction with at least 24 hours'
advance notice.
Submit separate report for each test.
Gravity-Flow Storm Drainage Piping: Test according to requirements of authorities
having jurisdiction, UNI-B-6, and the following:
a.
Test plastic piping according to ASTM F 1417.
C.
Leaks and loss in test pressure constitute defects that must be repaired.
D.
Replace leaking piping using new materials, and repeat testing until leakage is within
allowances specified.
3.9
CLEANING
A.
Clean interior of piping, slotted drains, catch basins, and stormwater treatment units of dirt and
superfluous materials in accordance with the requirements of the Stormwater Pollution
Prevention Plan, which is located in this Project Manual. Flush with water.
END OF SECTION 334100
STORM UTILITY
DRAINAGE PIPING
Section 334100 - Page 5