SPECIFICATIONS

Fort Nelson NRRM BASIC MECHANICAL SECTION 15050
Airport Terminal Building MATERIALS METHODS Page: 10
Washroom Renovations
be set in structural members of the building to the Architect's approval. Pipe hangers shall be
Grinnell Fig. 260, adjustable wrought clevis, Fig. 101 adjustable swivel ring, solid ring Type or
Fig. 237 steel band and bolt. Perforated band iron, wire or chain hangers will not be approved.
All hangers for copper pipe shall be copper, copper clad or use plastic-tape wrapped pipe at
hanger. Inserts shall be Grinnell Fig. 152.
3. All hangers shall be capable of vertical adjustment after pipe is erected. Pipe shall not be hung
from other pipe.
4. All insulated pipe 50mm [2"] and larger shall be fitted with insulation protection saddles, or
insulation protection shields.
5. On all pipe with vapour-seal insulation the hanger shall fit outside the insulation. Provide Fig.
167 insulation protection shields on all insulated cold piping such as domestic water, chilled
water and rain water leaders so that hanger rod and pipe hanger will not penetrate insulation
vapour barrier.
6. Pipe hanger rods shall be continuously threaded, cadmium plated and shall be sized and spaced
as follows:
PIPE DIA
(inches)
HANGER
ROD DIA.
(inches)
MAXIMUM HANGER SPACING
STEEL
SCH.40
(feet)
COPPER
DWV,L,K
(feet)
CAST.I
STD.
(feet)
GLASS
(feet)
PLASTIC
DWV,SCH.40
(feet)
1/2" 1/4" 6' 6' 4'
3/4" & 1" 1/4" 8' 6' 4'
1¼" 3/8" 10' 6' 4'
1½" 3/8" 10' 6' 10' 4'
2" 3/8" 10' 10' 10' 4'
2½", 3 & 4" 1/2" 10' 10' 10' 8' 4'
5", 6" & 8" 5/8" 10' 10' 10' 8' 4'
February 2012 JM BEAN & CO. LTD 1130.10