Add_1_SECTION_15_20_00_DOMESTIC_WATER_PIPING.pdf
PDF 13 KB Posted
- Attached to
- Renovate Student Dorms Winters Manor
- Solicitation number
- FA3010-14-R-0006
About this file
Addendum 1 Section 15 20 00
View the file
Other files
Show all 33
On GovTribe
Work with this file
- Download the original file
- Contacts named in this file
- Similar government files
- Ask GovTribe AI about this file
Text version
MAHG10-1032
SECTION 15 20 00 - DOMESTIC WATER SYSTEM
PART 1 - GENERAL
1.01 SOURCE
A. The water source shall be from the 6" PVC water line installed as part of this project, as indicated on the Drawings.
1.02 INTERIOR WATER PIPING
A. Materials: Piping shall be Type M, hard-drawn copper conforming to ASTM-B-88. Water piping under concrete slabs shall be Type K soft drawn without joints. Two inch water lines under slab can be Type K with silver soldered joints.
B. Fittings: Fittings for copper tubing shall be cast brass or wrought copper, sweat pattern.
C. Installation: Pipe and tubing shall be cut accurately to measurements established at the building by the Contractor and shall be worked into place without springing or forcing. Piping shall run parallel with the lines of the building unless otherwise shown or noted on the Drawings.
D. Joints: Tubing shall be cut square and burrs shall be removed. Both sides of fittings and outside of tubing shall be well cleaned with steel wool before sweating. Joints for soldered fittings shall be made with a non-corrosive paste flux and solid string or wire solder composed of 95 percent tin and 5 percent lead. Joints for flared type fittings shall be of compression pattern. Brazed joints shall be made with silver solder, Classes 4 and 6. Swing joints shall be provided on all branch connections to mains and risers to provide for expansion and contraction of tubing. Threaded joints shall have American National screw threads, with graphite and oil compound applied to the male threads.
E. Valves: Valves shall be all brass with rough bodies and finished trimmings, except that those on chromium-plated brass pipe shall be finished and chromium plated. No valve shall be installed with its stem below the horizontal. Gate valves shall be Crane No. 1234 sweat type, Nibco No. S-126 sweat type or approved equal for tubing. Gate valves shall be Crane 400 or approved equal for threaded pipe.
F. Dielectric Unions: Where copper pipe is connected to steel pipe or steel equipment, connections shall be made with dielectric unions.
G. Unions: Unions installed in connection with ferrous piping shall be malleable-iron, zinc-coated.
Unions installed in connection with non-ferrous pipe or tubing shall be brass.
END OF SECTION
Section 15 20 00_1-1
File details come from the government source that posted it. Updated .