Specifications
RDNO ATHLETIC PARK
AMENITIES BUILDINGS
WE File No.029042.00
May 30, 2014
19 | P a g e
.1 A high flow or main pressure reducing valve; which shall be one pipe size
smaller than the incoming or outflowing building service, and shall be
provided with a strainer, a reducer and a shut off valve on the inlet side and a
reducer and a shut off valve on the outlet side.
.2 A low flow pressure reducing valve; which shall be 25 mm [1"] in size, and
shall be provided with a strainer and a shut off valve on the inlet side and a
shut off valve on the outlet side.
.3 A bypass around both pressure reducing valves with a normally closed globe
valve; which shall be of the same pipe size as the incoming or outflowing
building service, and a pressure gauge on each side of the globe valve.
.4 Where a pressure reducing valve with integral low flow bypass is used the
piping, fittings and accessories shall be arranged as described above.
.2 Set main pressure reducing valve at 415 kPa [60 psi] outlet pressure.
.3 Set small flow pressure reducing valve at 35 kPa [5 psi] higher outlet pressure than
main pressure reducing valve.
33 DRAIN, WASTE AND VENT SYSTEMS - PIPING AND FITTINGS
33.1 Piping and fittings - above grade
.1 Waste and vent piping 50mm [2"] and smaller: DWV copper with cast brass fittings
and solder joints.
.2 Waste and vent piping 65mm [2.5"] and larger: Cast iron soil pipe and fittings with
mechanical joint couplings.
33.2 Piping and fittings - below grade
.1 Acrylonitrile-Butadiene-Styrene (ABS) Drain Waste and Vent Pipe Fittings
conforming to CSA CAN 3-B181.1.
.2 Polyvinyl Chloride (PVC) Drain Waste and Vent Pipe and Pipe Fittings conforming to
CSA B181.2.
33.3 Install cleanouts as shown on the drawings and as required by the B.C. Plumbing Code.
34 REFRIGERATION SYSTEMS
34.1 Do refrigeration system work in accordance with latest version of B.C. Power Engineers
and Pressure Vessels Safety Act and Regulations ("Refrigeration Code"), CSA B52 and
ANSI B31.5.
34.2 Ensure that a permit is obtained before anyone commences to install or alter any
refrigeration system.
34.3 Every person who installs or makes alterations or repairs to a refrigeration system shall be
the holder of a valid and subsisting refrigeration contractor’s license and all persons
repairing equipment with ODS/CFC's shall have completed an Environment Canada
approved training program.
34.4 Refrigerant Tubing
.1 Provide processed tubing for refrigeration installation, deoxidized, dehydrated and
sealed.
.2 Hard copper tube, type L, to ASTM B88M.
.3 Annealed copper tube to ASTM B280, with minimum wall thickness as per CSA B52.
34.5 Fittings
.1 Service: design pressure 2070 kPa [300 psig] and temperature 121
o
C [250
o
F]
.2 Brazed: wrought copper to ANSI B16.22 or cast bronze to MIL-F-1183E.
.3 Flare: Bronze or brass, for refrigeration, to ANSI B16.26.