Radha Krishna Temple Construction
WORK SCOPE OVERVIEW
Provide all required plumbing underground and in building to reconfigure approx. 925 sf (West End of main 1st Floor meeting hall into expansion of the existing commercial kitchen.
This work includes
(1) some modifications to existing kitchen, i.e., removal of existing vegetable wash station in SW corner of existing kitchen to make way for opening/hallway to new kitchen expansion space, capping off connections there such that remaining part of kitchen can operate during the construction with minimal disruption of service and use.
(2) Bring underground domestic water, sanitary sewer, and floor drains to new ktichen expansion area
(3) Bringing gas to the utility distribution system (UDS)
(4) bringing domestic water connections to kitchen sinks, cooking equipment, and other kitchen equipment as required. Please check Kitchen Design Consultant (Concept Magik) kitchen equipment schedule for all equipment
(5) Floor drains for all equipment and sinks as noted on Kitchen Design plan are to be provided by Plumbing Contractor.
(5) Installation of new grease trap to accomodate expansion or expansion of existing grease trap pursuant to City of Allen requirements
(6) Provide gas to HVAC equipment
(7) Relocate all plumbing connections to Washer/Dryer and make new connections to W/D on 2nd Fl (to make way for the grease duct and other utilities going to rooftop for Kitchen exhaust (Utility Closet where Washer/Dryer is located will be reduced in size by approx 3.5 ft.)
(8) Check Kitchen Design consultant Kitchen Equipment Schedule for which equipment is provided by kitchen equipment contractor.
PLEASE BE SURE TO CHECK THE ADDENDUM the PLANS for important clarifications, stipulations and added or changed relevant information.
SECTION 22 05 14
PART 1 - GENERAL
Operation and Maintenance Data
PART 2 - PRODUCTS
Subsoil Drain Tile Receivers
Water Hammer Arrestors
Trap Primer Valves
Manholes and Catch Basins
Washing Machine Wall Boxes
Interior Grease Interceptors
PART 3 - EXECUTION
Construction Verification Items
Applicable provisions of Division 1 shall govern work under this section.
ANSI A112.14.1 - Backwater Valves
ANSI A112.21.1 - Floor Drains.
ANSI A112.21.2 - Roof Drains.
ANSI A112.26.1/PDI WH-201 ‑ Water Hammer Arrestors.
ASSE 1010 - Water Hammer Arrestors.
ASSE 1012 - Backflow Preventers with Intermediate Atmospheric Vent.
ASSE 1013 - Reduced Pressure Principle Backflow Preventers.
ASSE 1018 - Trap Seal Primer Valves.
Substitution of Materials: Refer to Section GC - General Conditions of the Contract, Equals and Substitutions..
Plumbing products shall meet all applicable building code and product standards.
Include data concerning dimensions, capacities, materials of construction, ratings, certifications, weights, manufacturer's installation requirements, manufacturer's performance limitations, and appropriate identification.
OPERATION AND MAINTENANCE DATA
All operations and maintenance data shall comply with the submission and content requirements specified under section GENERAL REQUIREMENTS.
P A R T 2 - P R O D U C T S
To be furnished and installed by Plumbing Contractor -- See Kitchen Consultant Design
Trap Guards - provide submittals
SINKS – see Ktichen Design Consultant Plans – Kitchen Equipment Consultant to furnish/ plumbing connections by Plumbing contractor
Manufacturer: Josam, Smith, Wade, Watts, Zurn.
Interior Concrete Floor Areas: Enameled cast iron body with round or square adjustable scoriated polished nickel bronze cover, tapered threaded ABS closure plug. Zurn ZN-1400- / ZN-1400-T.
Interior Finished Wall Areas: Line type cleanout tee with tapered threaded ABS cleanout plug, round polished stainless steel access cover secured with machine screw. Zurn Z-1446- ( Note: Screw shall not pass completely through the ABS plug, trim screw as necessary )
Interior Exposed Vertical Stacks: Line type cleanout tee with tapered threaded ABS closure plug. Zurn Z-1445.
Interior Horizontal Lines: Cast iron hub with tapped ferrule and tapered threaded ABS or PVC closure plug, or no-hub coupling and blind plug.
Exterior Paved Areas: Cast iron hub or plug with tapered threaded ABS or PVC closure plug, cast iron frost sleeve and cover set in 24" square by 4" min. thick reinforced concrete pad top or surrounding pavement, crowned for drainage. Neenah R-1976 with non-ferrous securing screw.
Exterior Unpaved Areas: Cast iron hub or plug with tapered threaded ABS or PVC closure plug, cast iron or PVC frost sleeve and cover set in 24” square by 4” min. thick reinforced concrete pad top. Neenah R-1976 with non-ferrous securing screw.
Manufacturers:, Josam 67500, Smith 7012, Watts BV-200, Zurn Z1090.
Hub and spigot or No-Hub inlet and outlet cast iron body, cast iron gasketed bolted access cover, bronze valve. Flapper to hang in closed position during non-operation period.
WATER HAMMER ARRESTORS
Manufacturer: PPP Industries, Sioux Chief, Wade, Watts.
ANSI A112.26.1, ASSE 1010; sized in accordance with PDI WH‑201, precharged piston type constructed of hard drawn Type K copper, threaded brass adapter, brass piston with o-ring seals, FDA approved silicone lubricant, suitable for operation in temperature range 35 to 150 degrees F, maximum 250 psig working pressure, 1500 psig surge pressure. Watts series 15.
Manufacturers: Beeco, Cla-Val, Conbraco, Febco, Watts, Wilkins.
Intermediate Atmospheric Vented Backflow Preventers: ASSE 1012, same size as pipe, with intermediate atmospheric vent between independent check valves, bronze body with union ends, stainless steel springs, rated for 175 psig and 210oF. Watts 9DM.
Reduced Pressure ZONE Backflow Preventers: ASSE 1013 _" reduced pressure zone backflow assembly complete with inlet strainer, inlet and outlet ball or non-rising stem gate isolation valves. Size for maximum pressure drop of __ psig at __ GPM. Constructed of bronze or epoxy coated cast iron body with bronze and plastic internal parts, stainless steel springs, non-threaded vent outlet, 4 test cocks, rated for 175 psig and 210oF, with air gap apparatus on drain. Watts series 919-S-QT-AG, Wilkins #975 or approved equal.
TRAP PRIMER VALVES
Manufacturers: Ancon, PPP Industries, Smith, Watts.
Bronze body, O-ring seals, integral threaded outlet vacuum breaker, adjustable, in conformance with ANSI/ASSE 1018. PPP model P-1/P-2.
Do not use trap primer valves unless absolutely necessary, use trap guard diaphragms if possible
Manufacturer: C.P. Test Service, Mueller, Tyler.
Two-piece cast iron adjustable height casing with cast iron frame, cast iron cover and bottom bearing flange. Size for full burial depth of valve. 2" minimum internal diameter for valves sizes through 2", 4" minimum internal diameter for valve sizes 2-1/2" through 3" and 5-1/4" minimum diameter for 4" and larger valves. Cast name of service on cover top. On plastic pipelines, provide cast iron foot piece matched to valve box bottom or concrete bearing pad for support of valve.
MANHOLES AND CATCH BASINS
Precast reinforced concrete manhole sections, 48" diameter minimum manholes, 36" diameter minimum catch basins, ASTM C478. Construct base of 6" thick precast reinforced concrete or 8" thick cast in place concrete. Construct top of precast reinforced concrete eccentric cone and adjusting rings or 6" thick reinforced concrete slab with concentric opening.
Seal between sections with rubber ring gaskets, ASTM C443, or plastic preformed gasket material. Seal pipe penetrations with flexible watertight rubber gasketed seals.
Steps to be constructed of cast iron or polypropylene coated steel reinforcing rod.
Frame and cover or grate to be cast iron, ASTM A48, Class 35B, of style indicated, with minimum 24" diameter manhole opening, 20" diameter catch basin opening and pickhole. Provide gasketed self-sealing covers on sanitary manholes.
Manufacturers: Noble, Oatey.
Chlorinated polyethylene sheeting, 40 mils thick, ASTM D4068, joined with CPE solvent; or 3 lb./sq. ft. sheet lead.
Manufacturers: Semco, Oatey.
Formed 3 lb./sq. ft. lead flashing with minimum base size of 15"x17".
Single Ply Membrane Roofs: Flashing boot of material compatible with roofing membrane with base flange for adhering to membrane and stainless steel drawband for securing to vent pipe.
P A R T 3 - E X E C U T I O N
Coordinate location and setting of plumbing specialties with adjacent construction. Install in accordance with manufacturers recommendations.
Set floor drains, roof drains, trench drains and cleanouts level and plumb adjusted to finished floor elevation, roof elevation or finished wall location. Locate where serviceable. Allow minimum of 18" clearance around cleanouts for rodding. Lubricate threaded cleanout plugs with graphite and oil, teflon tape or waterproof grease. Install trap primer connections where indicated. Provide deep seal traps on floor drains and hub drains installed in mechanical rooms, penthouses or rooms with excessive positive or negative pressure.
Floor drains and hub drains installed in public restrooms, locker rooms, seldom used rooms, and areas with minute drainage flow shall have installations of combination trap evaporation/backflow preventer diaphragm installations.
Set backwater valves on undisturbed soil or compacted granular backfill, level and plumb with top adjusted to finished floor elevation. Test and adjust valve for proper operation. Allow minimum 18" clearance for servicing.
Install subsoil drain tile receivers where indicated. Adjust receiver height to drain tile inlet and outlet elevations and cleanout to finished floor elevation. Secure subsoil drain tile with mechanical or solvent weld connections. Backfill with granular material.
Install water hammer arrestors where indicated and at quick closing valve installations.
Install backflow preventers in accordance with applicable building code requirements maintaining minimum clearance distances for servicing and testing. Provide indirect waste piping with air gap installation from relief opening to above hub drain or floor drain.
Set valve boxes level and plumb centered over valve. Set bottom flange on undisturbed soil or compacted granular backfill. Where plastic piping is used, provide cast iron or concrete bearing pad below valve. Adjust top section to finished grade level.
Excavate for manholes and catch basins setting precast bases on granular backfill and pouring cast in place bases on undisturbed soil. Seal joints between base, sections, collars and castings with gasketing material for tightly packed waterproof seals. Adjust casting to match finished grade. Form interior shelves with concrete grout for smooth flowlines conforming to the shape and slope of the sewer. Place piping into manholes providing full support of piping on exterior bedding and insuring pipe seals are properly installed and waterproof. Valve manholes and other manholes intended to remain dry must be made waterproof and are subject to infiltration testing. Where an entering sewer is 2 feet or more above the springline of a leaving sewer, provide outside drop connection encased in concrete. Where existing pipe penetrations are being removed or capped, fill opening with non-shrink Portland cement grout plug. Backfill and compact soil around manhole or catch basin.
Install safing at floor drains above grade. Extend 12" beyond drains in all directions. Cover entire floor in showers and extend 6" up in walls above curbs and to a height of 6' (3" wide each direction) in corners. Install on concrete floor that is smooth and free of debris. Seal all joints and connect to drain body clamp. Safing is subject to standing water leak test. Install safing at all built-up shower installations. (Note: spray-on and brush applied liquid safing is not acceptable).
Flash vent penetrations through roof. Turn down top of lead flashing into vent pipe. Tighten drawband of membrane boot to vent pipe. Adhere base flashing to deck or membrane. Provide waterproof patch around penetration on existing roofs.
Provide water hammer arrestors in supply piping. Mount box a min. of 36” above floor.
CONSTRUCTION VERIFICATION ITEMS
Contractor is responsible for utilizing the construction verification checklists supplied under specification Section 22 08 00 in accordance with the procedures defined for construction verification in Section 01 91 01 or 01 91 02.
END OF SECTION