Complete Compiled Specification.pdf - Peck Ormsby Construction

PIPE SPECIALTIES FOR GROOVED END PIPE:
Strainer:
Strainers 2" to 12" shall be Victaulic 730 "Vic-Strainer". Straight through pattern, ASTM A536 ductile cast iron
body with grooved ends, 304 stainless steel 20 mesh screen, 0.033" openings. Provide ball valve on drain
connection and run drain line to nearest floor drain.
Suction Diffuser:
Suction diffusers shall be Victaulic 731, one piece ASTM A-536 ductile cast iron or ASTM A-47 malleable iron
body with outlets drilled, tapped, and plugged either side for pressure or temperature gauges and at the bottom
for drain connection. Access end cap shall be of the same material as the body.
Basket shall be of type 304 stainless steel 0.041" wire in a woven no. 6 mesh wire screen with 0.126" opening,
welded securely to a heavy frame of like material, in a convoluted configuration.
Flange connection to pump shall mate to ANSI Class 125 or Class 150 pump flange.
Dielectric Waterway:
Dielectric waterways shall be Victaulic 47 or Perfection Corporation, ASTM A-120, standard weight, galvanized
steel, Schedule 40 pipe with grooved by threaded ends. PVC lining permanently bonded to the interior of the
pipe.
Flow Metering System:
Flow measuring systems shall be Victaulic 733 Venturis Sensor or 734, 734S Orifice/Indicators. Grooved end
type designed to accept grooved mechanical coupling without field preparation. Meters and sensors are
designed for 250 psig working pressure. Venturis sensors to be compatible with systems having flows of 2 GPM
and larger. To be used in systems that require water balancing. Orifice/Indicators shall be used for systems
requiring flow measuring devices.
Vic-O-Let:
Strapless outlet shall be Victaulic 923 cast of ductile iron conforming to ASTM A-536 or malleable iron
conforming to ASTM A-47. Rated at 300 psi working pressure. Gasket shall be for the specific service as
recommended by the manufacturer. Collar shall be hot rolled, pickled and oiled steel conforming to ASTM
A-569.
Vic-O-Well:
Strapless outlet shall be Victaulic 924 cast of ductile iron conforming to ASTM A-47. Rated at 300 psi working
pressure. 6" insertion well. Gasket shall be for the specific service as recommended by the manufacturer.
Collar shall be hot roller, pickled and oiled steel conforming to ASTM A-569.
AUTOMATIC VALVES AND WELLS:
The mechanical subcontractor shall install the automatic temperature control valves, temperature sensing wells,
and flow switches, as directed by the automatic temperature control subcontractor.
UNIONS:
______________________________________________________________________________________
SEGO LILY ELEMENTARY SCHOOL CLASSROOM ADDTION March 2, 2009
BASIC MATERIALS & METHODS 15050-12