Specs

Bridgestone Retail Operations, LLC
PROJECT MANUAL
Version: January 2012
2. MSS SP-80, Class 125, bronze body, bronze trim, handwheel, bronze disc, solder ends.
2.15 BALL VALVES
A. Manufacturer:
a. Milwaukee
b. Nibco
c. Red& White
2.16 SWING CHECK VALVES
A. Up To and Including 2 Inches:
1. Manufacturers:
a.Milwaukee
b.Nibco
c.Red& White
2. MSS SP-80, Class 125, bronze body and cap, bronze swing disc with rubber seat, solder
ends.
2.17 SPRING LOADED CHECK VALVES
A. Manufacturer:
a. Milwaukee
b. Nibco
c. Red& White
B. Class 125, iron body, bronze trim, stainless steel springs, bronze disc, Buna N seals, wafer style
ends.
2.18 RELIEF VALVES
A. Pressure Relief:
1. Manufacturers: Watts or equal.
2. AGA Z21.22 certified, bronze body, teflon seat, steel stem and springs, automatic, direct
pressure actuated.
2.19 STRAINERS
A. Size 2 inch and Under:
1. Manufacturers:
a.Milwaukee
b.Nibco
c.Red& White
2. Threaded brass body for 175 psi CWP, Y pattern with 1/32 inch stainless steel perforated
screen.
3. Class 150, threaded bronze body 300 psi CWP, Y pattern with 1/32 inch stainless steel
perforated screen.
2.20 FIRE STOP SYSTEMS
A. General Purpose Fire Stopping Sealant:
1. Manufacturers: 3 M or Metacaulk
2. Water based, nonslumping, premixed sealant with intumescent properties, rated for 3 hours
per ASTM E 814 and UL 1479.
B. General Purpose Vibration Resistant Fire Stopping Sealant:
1. Manufacturers: 3 M or Metacaulk
2. Silicone based, nonslumping, premixed sealant with intumescent properties, vibration and
moisture resistant, rated for 3 hours per ASTM E 814 and UL 1479.
C. DWV Plastic Pipe Systems Fire Stopping Sealant:
1. Manufacturers: 3 M or Metacaulk
2. Silicone based, premixed sealant with intumescent properties, vibration and moisture
resistant, rated for 3 hours per ASTM E 814 and UL 1479 with metal collars.
PART 3 EXECUTION
3.01 EXAMINATION
A. Verify that excavations are to required grade, dry, and not over-excavated.
3.02 PREPARATION
A. Ream pipe and tube ends. Remove burrs. Bevel plain end ferrous pipe.
PLUMBING PIPING 15145 - Page 4 of 6