MARSHALL COUNTY DEPARTMENT OF HUMAN RESOURCES
THE PUBLIC BUILDING AUTHORITY OF THE CITY OF GUNTERSVILLE
GUNTERSVILLE, ALABAMA
SECTION 33 1000
WATER UTILITIES
PART 1 - 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.
Related work specified elsewhere includes:
1.
2.
1.2
Section 31 2000 - “Earth Moving”
Division 22 – Plumbing
SUMMARY:
A.
This Section includes water service piping system, meter, vaults, valves, and appurtenances from
the existing on-site utility source of potable water to a point 5 feet outside the building, and as
indicated on the Drawings, and in this Section of the Project Manual.
B.
Note that the Contractor shall furnish and install connection, water meter, etc., acceptable to the
utility company and call on the utility company to approve the meter and inspect the installation
prior to covering.
C.
All fees and charges for water service, meters, taps, permits, impact fees, etc., if any, shall be paid
by the Contractor from their contract amount.
D.
The extent of water service piping system, fire hydrants, etc., is indicated on the Drawings, in this
Section, other referenced Sections of the Project Manual, and as otherwise required by authorities
having jurisdiction.
1.
E.
All water pipe which run under roads, streets, driveways, and other vehicular paving shall
be sleeved in AWWA C151 ductile iron sleeves.
Utility Compliance: Comply with Water Works and Sewer Board of Guntersville regulations and
standards pertaining to sanitary sewerage systems.
1.
Where conflicts or discrepancies occur with the plans or these specifications, the Water
Works and Sewer Board of Guntersville regulations and standards shall govern.
1.3
SUBMITTALS:
A.
General: Submit the following in accordance with conditions of Contract and Division 1
Specification Sections
1.
Product data for water service piping and fire protection pipe and specialties.
GOODWYN, MILLS & CAWOOD, INC.
GM&C PROJECT NO. ABHM140040
WATER UTILITIES
33 1000 - 1 of 4
MARSHALL COUNTY DEPARTMENT OF HUMAN RESOURCES
THE PUBLIC BUILDING AUTHORITY OF THE CITY OF GUNTERSVILLE
2.
GUNTERSVILLE, ALABAMA
Shop drawings for water vaults, including lids.
PART 2 - PRODUCTS
2.1
PIPE AND PIPE FITTINGS - GENERAL:
A.
General: Pipe, valves, fittings and installation in R.O.W. and on site shall comply with
requirements of this Section, other referenced Sections of the Project Manual, the Drawings, and the
Water Works and Sewer Board of Guntersville.
1.
Pipe, fittings, hydrants and valves shall be as specified herein, subject to acceptance by the
Water Works and Sewer Board of Guntersville, unless other specific materials acceptable
to the Wetumpka Water Works and Sanitary Sewer Board are indicated on the Drawings.
2.
PVC piping and fittings smaller than 4” shall be C900 PVC, Class 200 plastic pipe,
Schedule 40, or Type K Copper; and pipe 4” and larger, below paving and fire lines shall
be ductile iron, of type(s) acceptable to Water Works and Sewer Board of Guntersville,
unless other specific materials acceptable to the Water Works and Sewer Board of
Guntersville are indicated on the Drawings.
B.
PVC Plastic, Schedule 40 PVC with pressure-rated fittings: Conform to ASTM D 1785
standard specifications for PVC plastic pipe.
C.
PVC Plastic, Water Pipe: AWWA C900, Class 200. Include elastomeric seal according to ASTM
F477.
D.
1.
Ductile Iron Fittings: AWWA C110, ductile-iron; or AWWA C153, ductile-iron, compact
type, and specifically designed for joining PVC pipe; Include elastomeric seals according
to ASTM F 477 or as otherwise required for joining plastic pipe specified
2.
Plastic Pipe-Flange Gasket, Bolts, and Nuts: Type and material recommended in writing
by piping system manufacturer, unless otherwise indicated.
Where copper pipe is indicated, provide Soft Copper Tube, ASTM B 88, Type K, water tube,
annealed temper.
1.
E.
Copper, Solder-Joint Fittings: ASME B16.18, cast-copper-alloy or ASME B16.22,
wrought-copper, solder-joint pressure type. Furnish only wrought-copper fittings if
indicated.
Ductile-Iron, Push-on-Joint Pipe: AWWA C151 and ANSI C150, C151, A21.50, and A21.15
respectively, Class 350 as approved by Wetumpka Water Works and Sanitary Sewer Board, tar
coated outside, with cement lining and seal coat according to AWWA C104. Include rubber
compression gasket according to AWWA C111.
1.
Ductile-Iron, Push-on-Joint Fittings: AWWA C110, ductile-iron; or AWWA C153,
ductile-iron, compact type. Include cement-mortar lining and seal coat according to
AWWA C104 and rubber compression gaskets according to AWWA C111 (ANSI 21.11)
and according to ASTM D-3139.
GOODWYN, MILLS & CAWOOD, INC.
GM&C PROJECT NO. ABHM140040
WATER UTILITIES
33 1000 - 2 of 4
MARSHALL COUNTY DEPARTMENT OF HUMAN RESOURCES
THE PUBLIC BUILDING AUTHORITY OF THE CITY OF GUNTERSVILLE
2.
F.
GUNTERSVILLE, ALABAMA
Joining Materials: AWWA C111 rubber gaskets and lubricant according to ASTM F477
requirements.
Ductile-Iron, Mechanical-Joint Pipe: AWWA C151, with cement-mortar lining and seal coat
according to AWWA C104. Include gland, rubber gasket, and bolts and nuts according to AWWA
C111.
1.
Ductile-Iron, Mechanical-Joint Fittings: AWWA C110, ductile-iron; or AWWA C153,
ductile-iron, compact type. Include cement-mortar lining and seal coat according to
AWWA C104 and glands, rubber gaskets, and bolts and nuts according to AWWA C111.
2.
Joining Materials: AWWA C111 ductile-iron or gray-iron glands, high-strength steel bolts
and nuts, and rubber gaskets.
G.
PE Encasement for Ductile-Iron Piping: ASTM A 674 or AWWA C105, PE film, 0.008-inch
(0.20-mm) minimum thickness, tube or sheet.
H.
Pipe Sleeves: Provide pipe sleeves at least one size larger than water service piping required below
existing concrete and paving, and as follows.
I.
1.
Below Concrete, Entry Pads, and Paving Subject to Only Pedestrian Traffic, and for Future
Irrigation: Schedule 40 PVC.
2.
Below Concrete, Equipment Pads, Dumpster Pads, Valley Gutters, Curbs and Gutters,
Paving Subject to Vehicular Traffic, and Where Indicated: Ductile Iron, as specified above
herein this Section.
Identification for Underground Plastic Pipe:
1.
Manufacturers: Subject to compliance with requirements, provide products by one of the
following:
a.
b.
c.
d.
e.
f.
2.
Allen Systems, Inc.; Reef Industries, Inc.
Brady (W.H.) Co.; Signmark Div.
Calpico, Inc.
Carlton Industries, Inc.
EMED Co., Inc.
Seton Name Plate Co.
Plastic Underground Warning Tapes: Polyethylene plastic tape with metallic core, 6 inches
wide by 4 mils thick, solid blue in color with continuously printed caption in blue letters
“CAUTION - WATER LINE BURIED BELOW.”
PART 3 - EXECUTION:
3.1
INSTALLATION:
GOODWYN, MILLS & CAWOOD, INC.
GM&C PROJECT NO. ABHM140040
WATER UTILITIES
33 1000 - 3 of 4
MARSHALL COUNTY DEPARTMENT OF HUMAN RESOURCES
THE PUBLIC BUILDING AUTHORITY OF THE CITY OF GUNTERSVILLE
3.2
A.
Comply with requirements of Division 22, the International Plumbing Code, Drawings, the Water
Works and Sewer Board of Guntersville and requirements of other authorities having jurisdiction.
B.
Comply with requirements of the State Health Department, the local Health Department, and
authorities having jurisdiction.
DEPTH OF COVER:
A.
3.3
Provide minimum cover of 30-inches for all water bearing piping.
INSTALLATION OF IDENTIFICATION:
A.
3.4
GUNTERSVILLE, ALABAMA
Install continuous plastic underground warning tape during back-filling of trench for underground
water service piping. Locate 6 to 8 inches below finished grade, directly over piping.
CLEANING:
A.
B.
Clean and disinfect water distribution piping as follows, or as required by utility company, Code,
and authorities having jurisdiction:
1.
Purge all new water distribution piping systems and parts of existing systems that have
been altered, extended, or repaired, prior to use.
2.
Use the purging and disinfecting procedure prescribed by the authority having jurisdiction
or, in case a method is not prescribed by that authority, use the procedure described in
AWWA C651, or as described below:
a.
Fill the system or part thereof with a water/chlorine solution containing at least 50
parts per million of chlorine. Isolate (valve off) the system or part thereof and
allow to stand for 24 hours.
b.
Drain the system or part thereof of the previous solution and refill with a
water/chlorine solution containing at least 200 parts per million of chlorine and
isolate and allow to stand for 3 hours.
c.
Following the allowed standing time, flush the system with clean, potable water
until chlorine does not remain in the water coming from the system.
d.
Submit water samples in sterile bottles to the authority having jurisdiction. Repeat
the procedure if the biological examination made by the authority shows evidence
of contamination.
Prepare reports for all purging and disinfecting activities, and submit for review and along with
each set of “Record Documents”.
END OF WATER SERVICE PIPING
GOODWYN, MILLS & CAWOOD, INC.
GM&C PROJECT NO. ABHM140040
WATER UTILITIES
33 1000 - 4 of 4
MARSHALL COUNTY DEPARTMENT OF HUMAN RESOURCES
THE PUBLIC BUILDING AUTHORITY OF THE CITY OF GUNTERSVILLE
GUNTERSVILLE, ALABAMA
SECTION 33 3000
SANITARY SEWERAGE UTILITIES
PART 1 - 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.
Related work specified elsewhere includes:
1.
2.
3.
1.2
1.3
SUMMARY:
A.
This Section includes sanitary sewerage system piping and appurtenances from a point 5 feet
outside the building to the point of disposal.
B.
The extent of sanitary sewerage system is indicated on the Drawings, in this Section 33 3000, and
as otherwise required by authorities having jurisdiction.
C.
All fees and charges for sanitary sewerage service, taps, connections, permits, impact fees, etc.,
shall be paid by the Contractor from their contract amount.
SUBMITTALS:
A.
General: Submit the following in accordance with Conditions of Contract and Division 1
Specification Sections.
1.
2.
1.4
Section 31 2000 - “Earth Moving”
Section 03 3100 - “Concrete”
Division 22 - “Plumbing”
Product data for drainage piping and specialties.
Test Reports.
QUALITY ASSURANCE:
A.
Environmental Compliance: Comply with applicable portions of local environmental agency
regulations pertaining to sanitary sewerage systems.
B.
Utility Compliance: Comply with Wetumpka Water Works and Sanitary Sewer Board regulations
and standards pertaining to sanitary sewerage systems.
1.
Where conflicts or discrepancies occur with the plans or these specifications, the
Water Works and Sewer Board of Guntersville regulations and standards shall
govern.
GOODWYN, MILLS & CAWOOD, INC.
GM&C PROJECT NO. ABHM140040
SANITARY SEWERAGE UTILITIES
33 3000 - 1 of 5
MARSHALL COUNTY DEPARTMENT OF HUMAN RESOURCES
THE PUBLIC BUILDING AUTHORITY OF THE CITY OF GUNTERSVILLE
1.5
C.
Health Department Compliance: Comply with the State Department of Health Code or the local
Health Department code, regulations and standards, whichever is more stringent.
D.
Comply with requirements of authorities having jurisdiction, when more stringent than specified or
otherwise indicated.
PROJECT CONDITIONS:
A.
1.6
GUNTERSVILLE, ALABAMA
Site Information: Perform site survey, research public utility records, and verify existing utility
locations. Verify that sanitary sewerage system piping may be installed in compliance with original
design and referenced standards.
SEQUENCING AND SCHEDULING:
A.
Coordinate any connection to public sewer with the Water Works and Sewer Board of Guntersville.
B.
Coordinate with interior building sanitary drainage piping.
C.
Coordinate with other utility work.
PART 2 - PRODUCTS
2.1
MANUFACTURERS:
A.
Manufacturers: Subject to compliance with requirements, provide products by one of the
following:
1.
Cleanouts:
a.
b.
c.
d.
e.
2.
Underground Warning Tapes:
a.
b.
c.
d.
e.
f.
2.2
Ancon, Inc.
Josam Co.
Smith (Jay R.) Mfg. Co.
Wade Div.; Tyler Pipe.
Zurn Industries, Inc.; Hydromechanics Div.
Allen Systems, Inc.; Reef Industries, Inc.
Brady (W.H.) Co.; Signmark Div.
Calpico, Inc.
Carlton Industries, Inc.
EMED Co., Inc.
Seton Name Plate Co.
PIPE AND FITTINGS:
GOODWYN, MILLS & CAWOOD, INC.
GM&C PROJECT NO. ABHM140040
SANITARY SEWERAGE UTILITIES
33 3000 - 2 of 5
MARSHALL COUNTY DEPARTMENT OF HUMAN RESOURCES
THE PUBLIC BUILDING AUTHORITY OF THE CITY OF GUNTERSVILLE
A.
Ductile-Iron, Gravity Sewer Pipe and Fittings:
1.
2.
3.
4.
PE Encasement for Ductile-Iron Piping: ASTM A 674 or AWWA C105, PE film, 0.008-inch
(0.20-mm) minimum thickness, tube or sheet.
C.
Identification for Underground Plastic Pipe:
Plastic Underground Warning Tapes: Polyethylene plastic tape with metallic core, 6 inches
wide by 4 mils thick, solid yellow in color with continuously printed caption in red letters
“CAUTION - SANITARY SEWER LINE BURIED BELOW.”
CLEANOUTS:
A.
2.4
Pipe: Ductile iron pipe meeting AWWA C-150, C-151 and ANSI A21-50 and A 21.15 for
coated outside and cement lined inside. Cement lining according to AWWA C104, Class
350.
Standard Fittings: AWWA C110, ductile or gray iron, for push-on joints.
Compact Fittings: AWWA C153, for push-on joints.
Gaskets: AWWA C111, rubber.
B.
1.
2.3
GUNTERSVILLE, ALABAMA
General: Provide Mission adjustable repair coupling (or approved equal) with stainless steel bends
and stainless steel shear ring and a Zurn #ZN1400HD-3, Smith 4220 (or approved equal) cover set
flush in a minimum 14” square concrete slab.
IDENTIFICATION:
A.
Plastic Underground Warning Tapes: Polyethylene plastic tape with metallic core, 6 inches wide
by 4 mils thick, solid green in color with continuously printed caption in black letters “CAUTION SEWER LINE BURIED BELOW.”
PART 3 - EXECUTION
3.1
3.2
PREPARATION OF FOUNDATION FOR BURIED SANITARY SEWERAGE SYSTEMS:
A.
Grade trench bottom to provide a smooth, firm, stable, and rock-free foundation, throughout the
length of the pipe.
B.
Remove unstable, soft, and unsuitable materials at the surface upon which pipes are to be laid, and
backfill according to provisions in Section 31 2000 – Earth Moving.
C.
Shape bottom of trench to fit bottom of pipe. Fill unevenness with tamped sand backfill. Dig bell
holes at each pipe joint to relieve the bells of all loads and to ensure continuous bearing of the pipe
barrel on the foundation.
PIPE APPLICATIONS FOR UNDERGROUND SANITARY SEWERS:
A.
3.3
Refer to Paragraph 2.2 above.
INSTALLATION, GENERAL:
GOODWYN, MILLS & CAWOOD, INC.
GM&C PROJECT NO. ABHM140040
SANITARY SEWERAGE UTILITIES
33 3000 - 3 of 5
MARSHALL COUNTY DEPARTMENT OF HUMAN RESOURCES
THE PUBLIC BUILDING AUTHORITY OF THE CITY OF GUNTERSVILLE
3.4
A.
General Locations and Arrangements: Drawings (plans and details) indicate the general location
and arrangement of the underground sanitary sewerage system piping. Location and arrangement
of piping layout take into account many design considerations. Install the piping as indicated, to
the extent practical.
B.
Install piping beginning at low point of systems, true to grades and alignment indicated with
unbroken continuity of invert. Place bell ends of piping facing upstream. Install gaskets, seals,
sleeves, and couplings in accordance with manufacturer’s recommendations for use of lubricants,
cements, and other installation requirements. Maintain swab or drag in line and pull past each joint
as it is completed.
C.
Use fittings for changes in direction. Use fittings for branch connections, except where direct tap
into existing sewer is indicated.
D.
Use proper size increasers, reducers, and couplings, where different size or material of pipes and
fittings are connected. Reduction of the size of piping in the direction of flow is prohibited.
E.
Install piping pitched down in direction of flow, at minimum slope of 1 percent, except where
indicated otherwise.
F.
Extend sanitary sewerage system piping to connect to building sanitary drains, of sizes and in
locations indicated.
G.
Tunneling: Install pipe under streets or other obstructions that cannot be disturbed, by tunneling,
jacking, or a combination of both.
PIPE JOINT CONSTRUCTION AND INSTALLATION:
A.
3.5
Join and install ductile iron pipe per ALDOT Standard Specifications.
CLEANOUTS:
A.
3.6
GUNTERSVILLE, ALABAMA
Install cleanouts and extension from sewer pipe to cleanout at grade as indicated. Set cleanout lid
in concrete block 14 by 14 by 12 inches deep, except where location is in concrete paving. Set top
of cleanout 1 inch above surrounding earth grade or flush with grade when installed in paving.
TAP CONNECTIONS:
A.
Make connections to existing piping and underground structures so that finished work will conform
as nearly as practicable to the requirements specified for new work.
B.
When tapping into existing man holes, use flexible rubber boot in accordance with Pell City Sewer
Department requirements.
C.
Use commercially manufactured wye fittings for piping branch connections. Remove section of
existing pipe, install wye fitting into existing piping, and encase entire wye fitting plus 6-inch
overlap, with not less than 6 inches of 3000-psi 28-day compressive-strength concrete.
GOODWYN, MILLS & CAWOOD, INC.
GM&C PROJECT NO. ABHM140040
SANITARY SEWERAGE UTILITIES
33 3000 - 4 of 5
MARSHALL COUNTY DEPARTMENT OF HUMAN RESOURCES
THE PUBLIC BUILDING AUTHORITY OF THE CITY OF GUNTERSVILLE
D.
Make branch connections from side into existing 4- to 21-inch piping by removing section of
existing pipe and installing wye fitting, into existing piping. Encase entire wye with not less than 6
inches of 3000-psi 28-day compressive-strength concrete.
1.
2.
E.
3.7
Provide concrete that will attain minimum 28-day compressive strength of 3000 psi, unless
otherwise indicated.
Use epoxy bonding compound as interface between new and existing concrete and piping
materials.
Protect existing piping and structures to prevent concrete or debris from entering while making tap
connections. Remove debris, concrete, or other extraneous material that may accumulate.
INSTALLATION OF IDENTIFICATION:
A.
3.8
GUNTERSVILLE, ALABAMA
Install continuous plastic underground warning tape during back-filling of trench for underground
water service piping. Locate 6 to 8 inches below finished grade, directly over piping.
FIELD QUALITY CONTROL:
A.
Testing: Perform testing of completed piping in accordance with local authorities having
jurisdiction.
B.
Cleaning: Clear interior of piping and structures of dirt and other superfluous material as work
progresses. Maintain swab or drag in piping and pull past each joint as it is completed.
1.
2.
3.
C.
In large, accessible piping, brushes and brooms may be used for cleaning.
Place plugs in ends of uncompleted pipe at end of day or whenever work stops.
Flush piping between manholes, if required by local authority, to remove collected debris.
Interior Inspection: Inspect piping to determine whether line displacement or other damage has
occurred.
1.
2.
Make inspections after pipe between manholes and manhole locations has been installed
and approximately 2 feet of backfill is in place, and again at completion of project.
If inspection indicates poor alignment, debris, displaced pipe, infiltration or other defects
correct such defects, and reinspect.
END OF SANITARY SEWERAGE
GOODWYN, MILLS & CAWOOD, INC.
GM&C PROJECT NO. ABHM140040
SANITARY SEWERAGE UTILITIES
33 3000 - 5 of 5
MARSHALL COUNTY DEPARTMENT OF HUMAN RESOURCES
THE PUBLIC BUILDING AUTHORITY OF THE CITY OF GUNTERSVILLE
GUNTERSVILLE, ALABAMA
SECTION 33 4613
FOUNDATION DRAINAGE
PART 1 - GENERAL
1.01 RELATED DOCUMENTS
A. Drawings and general provisions of Contract, including General and Supplementary Conditions and
Division 1 Specification sections, apply to work of this section.
B. Related work specified elsewhere includes:
1. Section 01 0150 - Special Conditions.
2. Section 01 7800 - Closeout Submittals.
3. Section 07 1300 - Sheet Waterproofing.
4. Section 32 2000 - Earth Moving.
1.02 DESCRIPTION OF WORK
A. Extent of foundation drainage system work is shown on drawings.
B. Foundation drainage work includes the following, under the work of this Section, and as otherwise
indicated on the Drawings:
1. Connection to existing or new storm drainage, as indicated, or if not indicated, at closest storm
drain location acceptable to Owner and Architect.
C. Backfill and washed gravel fill for the work of this Section, is specified in Section 32 2000.
1.03 SUBMITTALS
A. Submit manufacturer's complete data for each manufactured product intended for use.
B. Submit letter from waterproofing system manufacturer, which indicates acceptance of the subsurface
drainage matting to be used, to be installed against their system.
1. Include in Bid and submit non-deteriorating protection board, if recommended or required by the
waterproofing system manufacturer.
C. Certification: Submit Certification signed by Contractor and foundation drainage system Installer
that installed materials conform to specified requirements and system was successfully checked and
tested prior to covering with filtering and drainage fill.
PART 2 - PRODUCTS
2.01 DRAINAGE PIPE AND FITTINGS
A. Furnish drainage pipe complete with bends, adapters, couplings, collars, joint materials, and all
necessary or required accessories.
B. Pipe Below and Within 2'-0" of Edge of Vehicular Paving: Ductile-iron pipe, AWWA C151, Class
150 minimum, for push-on joints.
1. Compact Pattern, Ductile-Iron Fittings: AWWA C153, for push-on joints.
2. Pipe and Fitting Interior Coating: AWWA C104, asphaltic-material seal coat, minimum 1-mil
thickness.
3. Gaskets: AWWA C111, rubber.
4. Ductile-Iron Pipe Encasement: AWWA C105, polyethylene film tube.
C. HDPE Corrugated Pipe with Smooth Interior (typical piping, unless otherwise indicated):
1. Equivalent to ADS N-12, with filter fabric “sock”, fittings, accessories, etc.
D. Pipe Size: 6-inches diameter, unless larger size is indicated on the Drawings.
__________________________________________________________________________________________________
GOODWYN, MILLS & CAWOOD, INC.
FOUNDATION DRAINAGE
GM&C PROJECT NO. ABHM140040
33 4613 - 1 of 3
MARSHALL COUNTY DEPARTMENT OF HUMAN RESOURCES
THE PUBLIC BUILDING AUTHORITY OF THE CITY OF GUNTERSVILLE
E.
GUNTERSVILLE, ALABAMA
Joint Screening: Furnish joint screening for each open-joint portion of drain lines, of the following:
1. Synthetic drainage fabric, equivalent to fabric supplied as a component of subsurface drainage
matting, but not less than 4.3 oz. per square yard per ASTM D 3776, and flow rate of 120 gpm
and permitivity of 1.62 per ASTM D 4491.
2.02 SUBSURFACE DRAINAGE MAT
A. General: Provide prefabricated in-plane wall drainage matting as part of overall foundation drainage
system.
B. Drainage Core: Manufacturer's standard three-dimensional, non- biodegradable, plastic material
designed to effectively conduct water to foundation drainage system.
C. Filter Fabric: Manufacturer's standard non-woven geotextile fabric of polypropylene or polyester
fibers, or a combination thereof.
D. Products: Subject to compliance with requirements, provide the following:
1. “Enkadrain 9120”; AKZO Industrial Systems Co., except with standard geotextile fabric on
exterior side and heavy “protective” geotextile fabric on the interior or building or wall side.
2.03 SOIL MATERIALS
A. Impervious Fill: Clay gravel and sand mixture capable of compacting to a dense composite.
B. Drainage Fill: Evenly graded mixture of clean, washed, natural gravel with 100% passing a 1/2-inch
sieve and 0-5% passing a No. 50 sieve.
PART 3 - EXECUTION
3.01 INSTALLATION
A. Impervious Fill at Footings: After concrete footings have been excavated, place impervious fill
material on subgrade adjacent to footings. Place and compact impervious fill to dimensions
indicated or, if not indicated, not less than 6" deep and 12" wide beneath pipe.
B. Filtering Material: Place supporting layer of drainage fill material or washed sand over compacted
subgrade where drainage pipe is to be laid to depth indicated or, if not indicated, to a compacted
depth of not less than 4".
C. After testing drain lines, place additional filtering material to a 4" depth around sides and top of
drains.
D. Laying Drain Pipe:
1. Lay drain pipe solidly bedded in filtering material. Provide full bearing for each pipe section
throughout its length, to true grades and alignment, and continuous slope in direction of flow.
2. Lay perforated pipe with perforations down and joints tightly closed in accordance with pipe
manufacturers recommendations. Provide collars and couplings as required. Provide a 12-inch
wide (minimum) strip of drainage fabric securely over each joint, and over entire length of pipe,
or install pipe with full-length “sock” and strips over joints.
3. Provide recesses in excavation bottom to receive bells for drain pipe having bell and spigot ends.
Lay pipe with bells facing up slope with spigot end entered fully into adjacent bell. Seal joint
in accordance with local practices having jurisdiction.
4. Connect drain pipe to existing or new storm drainage where indicated, or if not indicated, at
location as directed by Architect.
E.
Testing Drain Lines: Test or check lines before backfilling to assure free flow. Remove
obstructions, replace damaged components, and retest system until satisfactory.
__________________________________________________________________________________________________
GOODWYN, MILLS & CAWOOD, INC.
FOUNDATION DRAINAGE
GM&C PROJECT NO. ABHM140040
33 4613 - 2 of 3
MARSHALL COUNTY DEPARTMENT OF HUMAN RESOURCES
THE PUBLIC BUILDING AUTHORITY OF THE CITY OF GUNTERSVILLE
1.
F.
GUNTERSVILLE, ALABAMA
After testing drain lines, place drainage matting and backfill as indicated on the Drawings, and
in accordance with Specifications.
Subsurface Drainage Mat: Coordinate placement of drainage mat with other foundation drainage
materials, including any protection board or rigid insulation board required on waterproofing surfaces
behind the drainage mat.
G. Comply with manufacturer's current written instructions for securing matting to substrate. Use
adhesives, mechanical fasteners and non-corrosive termination bar at top (just below grade) as
recommended by matting manufacturer. Lap all edges of fabric and extend fabric around foundation
drainage pipe in accordance with mat manufacturer's recommendations and as otherwise indicated.
Protect in-place matting during backfill operations in accordance with matting manufacturer's
instructions.
1. Install 0.040" aluminum cap flashing at top of waterproofing and drainage matting, just below
finished grade elevation, and seal top edge and all joints water-tight.
2. Install drainage mat as hydrostatic protection over waterproof membrane until approved by
membrane manufacturer.
H. Drainage Fill and Protective Covering Around Drainage Fill:
1. Place drainage fill over drain lines after satisfactory testing, and after covering of drain lines and
exposed grade with continuous additional filtering material. Completely cover drain lines to a
width of at least 6" on each side and above top of pipe to within 12" of finish grade.
2. Place fill material in layers not exceeding 8" in loose depth and compact each layer placed.
3. Overlay top and earth side of drainage fill material with one layer of synthetic drainage fabric,
overlapping edges at least 4-inches and continuing down 4-inches minimum below flow-line of
foundation drain piping at earth side(s).
I.
Fill to Subgrade: Apply impervious fill material approximately 12-inches completed and compacted
thickness, over synthetic drainage fabric and compacted drainage fill at footing drains, placing
material in layers not exceeding 6" in loose depth and thoroughly compacting each layer.
1. Carry impervious fill to indicated finish elevations and slope away from building perimeter.
2. Allow for thickness of topsoil and sod, and for any planting beds, where indicated.
END OF SECTION 33 4613
__________________________________________________________________________________________________
GOODWYN, MILLS & CAWOOD, INC.
FOUNDATION DRAINAGE
GM&C PROJECT NO. ABHM140040
33 4613 - 3 of 3