SPECIFICATIONS

Fort Nelson NRRM BASIC MECHANICAL SECTION 15050
Airport Terminal Building MATERIALS METHODS Page: 3
Washroom Renovations
LCD display with switch to display Celsius or Fahrenheit degrees and an adjustable angle stem.
Thermometer shall require no external power, needing only 35 lux of illumination to operate.
10. Provide liquid filled pressure gauges where indicated on drawings and as specified herein.
Provide on each side of each hot water circulating pump a pressure gauge with needle type
isolation valve. Gauge calibration shall be such that instrument indicates at approximately mid
scale under normal operating conditions. Gauges shall be 100mm [4.0"] diameter face as
manufactured by Miljoco, Trerice, or approved equal. Pressure gauges shall be calibrated in S.I.
metric units, or have dual metric/imperial calibration.
11. Provide installation of temperature control system components where required in piping system.
12. Insulating dielectric fittings shall be installed between dissimilar metals in systems. Brass
adapters and valves are not accepted as dielectric fittings.
15061 PLUMBING PIPING
1. Water supply piping shall be hard copper type "L" in building, with solder joints. Underground
piping shall be soft copper type "K" with wrought copper fittings and silver solder. Copper
water tubing shall be certified by Warnock Hersey or Canadian Standards Association to ensure
compliance with the B.C. Plumbing Code which references ASTM B88-83A. Water supply
piping under concrete slabs or in walls shall be encased in standard weight flexible polyethylene
pipe one size larger than copper tubing. All joints to be wrapped with Polyken tape. The use of
Victaulic copper connection system is acceptable. Couplings to utilize angle bolt pad design
Style 606 with EPDM flush seal gasket.
2. Water service pipe 150mm (6") or larger in building shall be Ductile Iron, minimum Pressure
Class 350 designed and manufactured in accordance with ANSI/AWWA C150/A21.50 and
C151/A21.51. All pipe shall be cement-mortar lined in accordance with ANSI/AWWA
C104/A21.4 and grooved to BS 4772/ISO 2531 standards to accept Victaulic fittings. Fittings
shall be British Standard/ISO cement-mortar lined and bituminous coated ductile iron fittings
conforming to ASTM A-536 with Grade “M” FlushSeal gaskets suitable for a temperature range
of -20 F to + 200 F. Bolts and nuts shall be heat treated, plated carbon steel.
3. Water supply piping exposed in finished areas shall be chrome plated brass pipe and fittings.
4. Underground drainage piping under building or paved areas shall be mechanical joint cast-iron
soil pipe. Specified piping materials and applications shall be in accordance with B.C. Building
Code 2006, Part 7, Plumbing Services.
5. Drainage and vent piping within the building shall be either DWV copper or cast iron at the
Contractor's option, provided adequate space is available for drainage piping installation without
allowing direct contact between piping and structure. Copper drainage and vent piping in
masonry walls shall be Polyken tape wrapped if un-insulated.
February 2012 JM BEAN & CO. LTD 1130.10