Download Mechanical Specification

Section 22 05 01
Plumbing General
Page 2 of 4
Baycrest Centre for Geriatric Care
Apotex Building 5th Floor
HHA #2151048-01
.2 valves
.3 zone or equipment backflow protection.
.2 Provide valved connections from hot water supply system to fixtures and other equipment requiring
hot water.
3.4
Domestic hot water recirculation system
.1 Provide/Extend existing] domestic hot water recirculation system with
.1 distribution pipe and fittings
.2 valves
.2 Install recirculation piping as shown.
3.5
Drainage
.1 Provide waste and vent connections to plumbing fixtures and equipment.
.2 Fittings;
.1 Do not use double hubs, straight crosses, double T's, or double TY's in soil or waste pipe below
any fixture.
.2 Do not use branch fittings other than full "Y" or "Y" and an eighth bend, on soil or waste pipe
running in horizontal direction.
.3 Do not use quarter bend placed on its side.
.4 Do not use inverted joints below fixtures.
.5 Do not install cleanouts above food preparation or patient treatment areas. In these areas carry
rodding connection up to floor cleanout fitted with adjustable gasketted access cover and plug,
with cleanout body cast in floor slab above.
.6 Drainage fittings to match connected piping for quality and wall thickness.
3.6
Special water and waste connections
.1 Provide hot and cold water, waste and vent connections to equipment.
.2 Provide vacuum breakers and backflow preventers on equipment connections, and hose bibbs, and
on fixture connections without adequate air gaps.
.3 Where hot and cold water supply pipes connect to combination supply fitting with shut-off valve on
discharge, or where combination supply fitting is equipped with manual or thermostatic mixing valve,
equip each hot and cold water supply pipe with composition disc swing check fitting.
.4 Provide shut-off valve on each service line close to apparatus and brass trap complete with cleanout
on waste connection unless waste discharges directly into floor drain or funnel drain.
.5 Where specific sizes are not shown, valves, and final connections to equipment to be one pipe size
larger than equipment tapping size, and trap and drain size to be one pipe size larger than waste
connection on apparatus.
.6 Provide similarly sized connections for items marked N.I.M.C. (Not in Mechanical Contract) and
S.B.O. (Supplied by Owner).
Issued For Tender