SECTION 221323 - SANITARY WASTE INTERCEPTORS
Copyright 2018 by The American Institute of Architects (AIA)
Exclusively published and distributed by AVITRU, LLC for the AIA
This Product MasterSpec Section is licensed by AVITRU, LLC to MIFAB, Inc. ("Licensee").
This Product MasterSpec Section modifies the original MasterSpec text and does not include the full content of the original MasterSpec Section.
Revisions made to the original MasterSpec text are made solely by the Licensee and are not endorsed by, or representative of the opinions of, Avitru or The American Institute of Architects (AIA). Neither AIA nor Avitru are liable in any way for such revisions or for the use of this Product MasterSpec Section by any end user. A qualified design professional should review and edit the document to suit project requirements.
For more information, contact MIFAB, Inc., 1321 West 119th Street, Chicago, IL 60643; Phone: (800) 465-2736; Fax: (773) 341-3047; Website: ; Email: sales@.
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SECTION 221323 - SANITARY WASTE INTERCEPTORS
TIPS:
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To read detailed research, technical information about products and materials, and coordination checklists, click on MasterWorks/Supporting Information.
Access Product MasterSpec Sections:
Revise this Section by deleting and inserting text to meet Project-specific requirements.
This Section uses the term "Architect." Change this term to match that used to identify the design professional as defined in the General and Supplementary Conditions.
Verify that Section titles referenced in this Section are correct for this Project's Specifications; Section titles may have changed.
GENERAL
1. RELATED DOCUMENTS
Retain or delete this article in all Sections of Project Manual.
A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.
2. SUMMARY
A. Section Includes:
1. Grease interceptors.
2. Grease removal devices.
3. Oil interceptors.
4. Sand interceptors.
5. Solids interceptors.
3. DEFINITIONS
Retain terms that remain after this Section has been edited for a project.
A. FRP: Fiberglass-reinforced plastic.
B. HDPE: High density polyethylene.
C. PP: Polypropylene plastic.
4. ACTION SUBMITTALS
A. Product Data: For each type of [metal] [and] [plastic] interceptor. Include materials of fabrication, dimensions, rated capacities, retention capacities, operating characteristics, size and location of each pipe connection, furnished specialties, and accessories.
B. Shop Drawings: For each type and size of precast concrete interceptor indicated.
1. Include materials of construction, dimensions, rated capacities, retention capacities, location and size of each pipe connection, furnished specialties, and accessories.
5. INFORMATIONAL SUBMITTALS
Retain "Coordination Drawings" Paragraph below to require coordination of other trades involved in installations products listed below.
A. Coordination Drawings: Interceptors, drawn to scale, on which the following items are shown and coordinated with each other, using input from installers of the items involved:
1. Piping connections. Include size, location, and elevation of each.
2. Interface with underground structures and utility services.
MIFAB's HDPE Interceptors offer a Lifetime Warranty.
B. Warranty Documentation.
6. FIELD CONDITIONS
Retain this article if interruption of existing sanitary or storm sewer service is required.
A. Interruption of Existing Sewer Services: Do not interrupt services to facilities occupied by Owner or others unless permitted under the following conditions and then only after arranging to provide temporary sewer services in accordance with requirements indicated:
1. Notify [Architect] [Construction Manager] [Owner] no fewer than [seven] days in advance of proposed interruption of service.
2. Do not proceed with interruption of sewer services without [Architect's] [Construction Manager's] [Owner's] written permission.
Retain "Warranty" Article below for MIFAB's HDPE interceptors.
7. WARRANTY
When warranties are required, verify with Owner's counsel that warranties stated in this article are not less than remedies available to Owner under prevailing local laws.
MIFAB's plastic interceptors offer a Lifetime Warranty. For warranty information refer to: .
A. Special Warranty: Manufacturer agrees to repair or replace components of HDPE interceptors that fail in materials or workmanship within specified warranty period.
1. Failures include, but are not limited to, the following:
a. Structural failures.
b. Deterioration of metals, metal finishes, and other materials beyond normal use.
Verify available warranties and warranty periods for units and components.
2. Warranty Periods: Lifetime.
PRODUCTS
Manufacturers and products listed in SpecAgent and MasterWorks Paragraph Builder are neither recommended nor endorsed by the AIA or Avitru. Before inserting names, verify that manufacturers and products listed there comply with requirements retained or revised in descriptions and are both available and suitable for the intended applications. For definitions of terms and requirements for Contractor's product selection, see Section 016000 "Product Requirements."
For MIFAB's "Common Grease Interceptor Questions" document, refer to: .
For information describing the differences between hydromechanical and gravity grease interceptors, refer to: .
1. GREASE INTERCEPTORS
Indicate on Drawings the number, size, and arrangement of compartments and baffles in grease interceptors in first paragraph below. Delete option below and insert name of authorities having jurisdiction for interceptors that must comply with requirements of authorities having jurisdiction.
A. Precast Concrete Grease Interceptors: Comply with [ASTM C913] .
Delete first subparagraph below if interceptors must comply with requirements of authorities having jurisdiction.
1. Include rubber-gasketed joints, [vent connections, ]manholes, compartments or baffles, and piping or openings to retain grease and to permit wastewater flow.
2. Structural Design Loads:
a. Light-Traffic Load: Comply with ASTM C890, A-8.
b. Medium-Traffic Load: Comply with ASTM C890, A-12.
c. Heavy-Traffic Load: Comply with ASTM C890, A-16.
d. Walkway Load: Comply with ASTM C890, A-03.
"Resilient Pipe Connectors" Subparagraph below is an optional feature.
3. Resilient Pipe Connectors: ASTM C923 (ASTM C923M), cast or fitted into interceptor walls, for each pipe connection.
4. Steps: [Individual FRP steps or FRP ladder] [Individual FRP steps, FRP ladder, or ASTM A615/A615M, deformed, 1/2-inch (13-mm) steel reinforcing rods encased in ASTM D4101, PP] [ASTM A615/A615M, deformed, 1/2-inch (13-mm) steel reinforcing rods encased in ASTM D4101, PP] , wide enough to allow worker to place both feet on one step and designed to prevent lateral slippage off step. Cast or anchor steps into sidewalls at 12- to 16-inch (300- to 400-mm) intervals. Omit steps if total depth from floor of interceptor to finished grade is less than [60 inches (1500 mm)] .
"Grade Rings" Subparagraph below is an optional feature.
5. Grade Rings: Reinforced-concrete rings, 6- to 9-inch (150- to 225-mm) total thickness, to match diameter of manhole frame and cover.
"Manhole Frames and Covers" Subparagraph below is an optional feature. Underground structures with risers to grade only require manhole frames and covers at top of riser.
6. Manhole Frames and Covers: Ferrous; 24-inch (610-mm) ID by 7- to 9-inch (175- to 225-mm) riser with 4-inch- (100-mm-) minimum width flange and 26-inch- (660-mm-) diameter cover.
a. Ductile Iron: ASTM A536, Grade 60-40-18, unless otherwise indicated.
b. Gray Iron: ASTM A48/A48M, Class 35, unless otherwise indicated.
Lettering in subparagraph below should be simple and must be short enough to fit on cover. Custom lettering costs more than standard lettering such as "INTERCEPTOR" and "SANITARY SEWER."
c. Include indented top design with lettering cast into cover, using wording equivalent to "[INTERCEPTOR] [GREASE INTERCEPTOR] [SANITARY SEWER] ."
Copy first paragraph below and re-edit for each product.
Insert drawing designation. Use these designations on Drawings to identify each product.
B. Steel Grease Interceptors :
Retain "Basis-of-Design Product" Subparagraph and list of manufacturers below to require a specific product or a comparable product from manufacturers listed.
MIFAB's MI-G Models are up to 50-gpm (3.15-L/s). MIFAB's XL-MI-G Models are greater than 50-gpm (3.15-L/s).
For MIFAB's hydromechanical grease interceptor sizing guidelines, refer to: .
1. Basis-of-Design Product: Subject to compliance with requirements, provide MIFAB, Inc.; [MI-G] [XL-MI-G] or comparable product by one of the following:
a. Jay R. Smith Mfg. Co.
b. Josam Company.
c. .
1. Standard: ASME A112.14.3, CSA B481, and ANSI Z 1001, for intercepting and retaining fats, oils, and greases from food[-preparation] [or] [-processing] wastewater.
MIFAB's gravity grease interceptors are available in the following liquid-holding capacities: 500, 750, 1000, 1250, 1300, 1500, and 2000 gallons (1893, 2839, 3785, 4732, 4921, 5678, and 7571lL) The 500-gallon model (SUPER-500) is PDI-G101 tested and certified to a flow rate of 100 gpm (6.3 L/s).
2. ASME A112.14.3, CSA B481, and ANSI Z 1001 certification: Required.
3. Body Material: HDPE.
MIFAB's SuperMax body dimensions include base, which is standard with MIFAB.
For dimensional information for MIFAB's, SuperMax models, refer to submittal documents at:
Grease 500 - .
Grease 750 - .
Grease 1000 - .
Grease 1250 - .
Grease 1300 - .
Grease 1500 - .
Grease 2000 - .
4. Body Dimensions: .
5. Body Extension: [Not required] [Required].
If more than one grease interceptor is required, delete "Capacities and Characteristics" Paragraph below and schedule grease interceptors on Drawings.
E. Capacities and Characteristics:
1. Length by Width by Depth: .
MIFAB's SuperMax gravity grease interceptors are available standard with two compartments. The first compartment is the first 1/3 of the interceptor, and the second compartment is 2/3 of the interceptor. Three compartments are also available (by adding another dividing baffle) for jurisdictions that require three-compartment gravity grease interceptors.
2. Number of Compartments: [One] [Two] [Three].
3. Flow rate of MIFAB's SuperMax gravity grease interceptors is standard at 250 gpm (15.8 L/s) with a 4-inch (100-mm) inlet connection. Flow rates of 700 gpm (44.2 L/s) with a 6-inch (150-mm) connection, and 1200 gpm (75.7 L/s) with an 8-inch (200-mm) connection, are available as options.Flow Rate: [250 gpm (15.8 L/s)] [700 gpm (44.2 L/s)] [1200 gpm (75.7 L/s)].
MIFAB's SuperMax grease retention capacities are: SUPER-500- 1916 lb (415 kg); SUPER-750 – 2875 lb (1304 kg); SUPER-1000 – 3833 lb (1739 kg); SUPER-1250 – 4983 lb (2260 kg); SUPER-1300 – 4983 lb (2260 kg); SUPER 1500 – 5750 lb (2608 kg); SUPER-2000 – 6600 lb (2994 kg).
4. Retention Capacity: .
Flow rate is related to inlet connection size for all SuperMax gravity grease interceptors. Standard 4-inch (100-mm) inlet connection equals 250 gpm (15.8 L/s) flow rate. Optional 6-inch (150-mm) inlet connection equals 700 gpm (44.2 L/s). Optional 8-inch (200-mm) inlet connection equals 1,200 gpm (75.7 L/s).
5. Inlet and Outlet Pipe Size: [4 inch (100 mm)] [6 inch (150 mm)] [8 inch (200 mm)] no hub connection..
a. Centerline of Inlet to Floor: .
b. Centerline of Outlet to Floor: .
MIFAB's standard end connections are no-hub. Flanged or threaded end connections are available as options.
6. End Connections: [Flanged] [No-Hub] [Threaded].
7. Cleanout: Field installed on outlet.
A trapped outlet is standard with MIFAB's SuperMax models.
8. Trapped Outlet Required: Yes.
Vents are typically required on the pipe before the inlet and on the pipe after the outlet. For venting information, refer to: .
9. Vent Pipe Size: [Not required] .
MIFAB's SuperMax models can be installed on the floor or into the ground, flush with the floor. Every SuperMax is standard with a base so that when installed above ground in a parking space, it is on a flat bottom and will not roll over. The height is also less than typical so that a 1000-gallon (43785-L) model can easily fit into a parking space and still have enough clearance above it to allow for cleaning access.
For SuperMax parking space installation details and explanation, refer to: FTP/Interceptors/SuperMax_ParkingGarage_Installation.pdf .
10. Mounting: [Above floor] [Recessed in acid-resistant, coated steel frame and cradle] [Recessed, flush with floor] .
11. Flow-Control Fitting: Not required.
12. Operation: Manual cleaning.
For information on "Optional Vitiations" for MIFAB's SuperMax Gravity Grease Interceptors, refer to: .
F. Accessories:
1. Provide [Pump-out] [Sampling] Ports for field installation.
High-water Anchor Kits are not available for MIFAB's LilMax interceptors.
2. High-water Anchor Kit.
3. High-level Alarm.
4. Enzyme Dosing Pump.
2. GREASE REMOVAL DEVICES
Copy paragraph below and re-edit for each product.
Insert drawing designation. Use these designations on Drawings to identify each product.
A. Grease Removal Devices :
Retain "Basis-of-Design Product" Subparagraph and list of manufacturers below to require a specific product or a comparable product from manufacturers listed.
For MIFAB's MI-G-AD submittal document, refer to .
4. Basis-of-Design Product: Subject to compliance with requirements, provide MIFAB, Inc.; MI-G-AD or comparable product by one of the following:
a. G K & L, Inc.
b. International Grease Recovery Device.
c. .
1. Type: Factory-fabricated interceptor made for removing and retaining lint, sediment, and solids from wastewater.
2. Body Material: HDPE.
3. Interior Separation Device: Screens.
For MIFAB's Mini Max solids interceptor submittal document, refer to: .
For MIFAB's Lil Max solids interceptor submittal document, refer to: ,
For MIFAB's Big Max solids interceptor submittal document refer to:
.
.
4. Body Dimensions: .
MIFAB's Mini-Max flow rate is 15 gpm (0.6 L/s). MIFAB's Lil Maxis available in flow rates of 15 gpm (0.9 L/s), 20 gpm (1.3 L/s), 25 gpm (1.6 L/s), 35 gpm (2.2 L/s), and 50 gpm (3.2 L/s). MIFAB's Big Max is available in flow rated of 75 gpm (4.7 L/s) and 100 gpm (6.3 L/s).
5. Flow Rate: [15 gpm (0.9 L/s)] [20 gpm (1.3 L/s)] [25 gpm (1.6 L/s)] [35 gpm (2.2 L/s)] [50 gpm (3.2 L/s)] [75 gpm (4.7 L/s)] [100 gpm (6.3 L/s)] .
Retain first option in "Inlet and Outlet Size" subparagraph below for MIFAB's Mini-Max and Lil Max up to 15 gpm (0.9 L/s). Retain second option for MIFAB's Lil-Max 20 gpm (1.3 L/s) and higher, and Big Max.
6. Inlet and Outlet Size: [2 inch (50 mm)] [4 inch (100 mm)].
No-Hub end connections are standard for MIFAB's Plastic Solids Interceptors. Threaded connections are available as an option.
7. End Connections: [No-Hub] [Threaded] .
8. Mounting: [Above floor] [Inline] .
7. PRECAST CONCRETE MANHOLE RISERS
Retain this article for manhole risers for underground concrete interceptors to provide access from grade level to interior of interceptors.
A. Precast Concrete Manhole Risers: [ASTM C478 (ASTM C478M)] [ASTM C913], with rubber-gasket joints.
1. Structural Design Loads:
a. Light-Traffic Load: Comply with ASTM C890, A-8.
b. Medium-Traffic Load: Comply with ASTM C890, A-12.
c. Heavy-Traffic Load: Comply with ASTM C890, A-16.
d. Walkway Load: Comply with ASTM C890, A-03.
2. Length: From top of underground concrete structure to grade.
3. Riser Sections: 3-inch (75-mm) minimum thickness and [36-inch (915-mm)] diameter.
4. Top Section: Eccentric cone, unless otherwise indicated. Include top of cone to match grade ring size.
5. Gaskets: ASTM C443 (ASTM C443M), rubber.
6. Steps: [Individual FRP steps or FRP ladder] [Individual FRP steps, FRP ladder, or ASTM A615/A615M, deformed, 1/2-inch (13-mm) steel reinforcing rods encased in ASTM D4101, PP] [ASTM A615/A615M, deformed, 1/2-inch (13-mm) steel reinforcing rods encased in ASTM D4101, PP] , wide enough to allow worker to place both feet on one step and designed to prevent lateral slippage off step. Cast or anchor steps into sidewalls at 12- to 16-inch (300- to 400-mm) intervals.
B. Grade Rings: Reinforced-concrete rings, 6- to 9-inch (150- to 225-mm) total thickness, diameter matching manhole frame and cover, and height as required to adjust the manhole frame and cover to indicated elevation and slope.
Retain "Manhole Frames and Covers" Paragraph below only if required. Underground structures with risers to grade only require manhole frames and covers at top of riser.
C. Manhole Frames and Covers: Ferrous; 24-inch (610-mm) ID by 7- to 9-inch (175- to 225-mm) riser with 4-inch- (100-mm-) minimum width flange and 26-inch- (660-mm-) diameter cover.
1. Ductile Iron: ASTM A536, Grade 60-40-18, unless otherwise indicated.
2. Gray Iron: ASTM A48/A48M, Class 35, unless otherwise indicated.
3. Include indented top design with lettering cast into cover, using wording equivalent to the following:
Lettering in two subparagraphs below should be simple and must be short enough to fit on cover. Custom lettering costs more than standard lettering such as "INTERCEPTOR" and "SANITARY SEWER."
a. Grease Interceptors in Sanitary Sewerage System: "[INTERCEPTOR] [GREASE INTERCEPTOR] [SANITARY SEWER] ."
b. Oil Interceptors in Sanitary Sewerage System: "[INTERCEPTOR] [OIL INTERCEPTOR] [SANITARY SEWER] ."
EXECUTION
1. EARTHWORK
A. Excavating, trenching, and backfilling are specified in Section 312000 "Earth Moving."
2. INSTALLATION
For MIFAB's Lil Max interceptor installation information, refer to: .
For MIFAB's Big Max hydromechanical interceptor installation information, refer to: .
For MIFAB's SuperMax gravity interceptor installation information, refer to: .
A. Equipment Mounting:
Retain first subparagraph below to require equipment to be installed on cast-in-place concrete equipment bases.
1. Install [grease interceptors] [grease removal devices] [and] [solids interceptors] on cast-in-place concrete equipment base(s).
2. Comply with requirements for equipment bases and foundations specified in Section 033000 "Cast-in-Place Concrete."
B. Install precast concrete interceptors in accordance with ASTM C891.
MIFAB interceptors are manufactured with flat bottoms, which facilitate level and plumb installation.
C. Set interceptors level and plumb.
D. Install manhole risers from top of underground concrete interceptors to manholes and gratings at finished grade.
E. Set tops of manhole frames and covers flush with finished surface in pavements.
1. Set tops [3 inches (75 mm)] above finish surface elsewhere unless otherwise indicated.
F. Set tops of grating frames and grates flush with finished surface.
G. Set [metal] [and] [plastic] interceptors level and plumb.
H. Set tops of metal interceptor covers flush with finished surface in pavements.
1. Set tops [3 inches (75 mm)] above finish surface elsewhere unless otherwise indicated.
I. Install piping and oil storage tanks in accordance with Section 231113 "Facility Fuel-Oil Piping."
For venting installation instructions for MIFAB's Big Max hydromechanical grease interceptors, refer to: .
For venting installation instructions for MIFAB's SuperMax gravity grease interceptors, refer to: .
J. Install grease interceptors, including trapping, venting, and flow-control fitting, in accordance with authorities having jurisdiction and with clear space for servicing.
Retain one or more of first three subparagraphs below.
1. Above-Floor Installation: Set unit with bottom resting on floor unless otherwise indicated.
2. Flush with Floor Installation: Set unit and extension, if required, with cover flush with finished floor.
3. Recessed Floor Installation: Set unit in receiver housing having bottom or cradle supports, with receiver housing cover flush with finished floor.
4. Install cleanout immediately downstream from interceptors not having integral cleanout on outlet.
K. Install grease removal devices on floor. Install trap, vent, and flow-control fitting in accordance with authorities having jurisdiction.
1. Install control panel adjacent to unit unless otherwise indicated.
L. Install oil interceptors, including trapping, venting, and flow-control fitting, in accordance with authorities having jurisdiction and with clear space for servicing.
1. Coordinate oil-interceptor storage tank and gravity drain with Section 231113 "Facility Fuel-Oil Piping."
M. Install solids interceptors with cleanout immediately downstream from interceptors that do not have integral cleanout on outlet.
1. Install trap on interceptors that do not have integral trap and are connected to sanitary drainage and vent systems.
3. CONNECTIONS
Coordinate piping installations and specialty arrangements with Drawings and with requirements specified in piping systems. If Drawings are explicit enough, these requirements may be reduced or omitted.
A. Piping installation requirements are specified in Section 221316 "Sanitary Waste and Vent Piping." Drawings indicate general arrangement of piping, fittings, and specialties.
B. Make piping connections between interceptors and piping systems.
4. IDENTIFICATION
A. Identification materials and installation are specified in Section 312000 "Earth Moving."
1. Arrange for installation of green warning tapes directly over piping and at outside edges of underground interceptors.
2. Use warning tapes or detectable warning tape over ferrous piping.
3. Use detectable warning tape over nonferrous piping and over edges of underground structures.
B. Equipment Nameplates and Signs: Install engraved plastic-laminate equipment nameplate or sign on or near each of the following:
1. Grease interceptors.
2. Grease removal devices.
3. Oil interceptors.
4. Solids interceptors.
5. PROTECTION
A. Protect sanitary waste interceptors from damage during construction period.
B. Repair damage to adjacent materials caused by sanitary waste interceptor installation.
END OF SECTION 221323
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