A04_0040611197_SOW_Final_0001.pdf

GRCA North Rim Lodge Water Softener Replacement

At BH#1092 - Grand Canyon Lodge, Bright Angel Point, Room 001

PMIS# 312632B

The scope of work:

1. Remove existing (salted) CSM 210-2 twin progressive water conditioning system with a peak rate of 85 gallon per minute with a drop rate of 25psi and associated parts.

2. Remove and dispose of existing brine tank and associated parts.

3. Contractor is responsible for demolition and disposal of existing water softener system.

4. Provide and install a new digitally controlled commercial salted water condition system that is 210,000 grain minimum. This completely new system shall be a twin progressive flow system with a peak rate of 85 gallons per minute and with a drop rate of 25psi and shall be installed IAW the 2021 International Plumbing Code (IPC)

a. The two new water softener tanks shall be approximately 21” in diameter and

67” in height.

b. Provide and install one new brine tank approximately 24” in diameter and 50” in height.

c. Provide and install new unions; one each, at the inlet side and the outlet side of each new tank.

d. Provide and install one vacuum breaker at the inlet side of each new tank.

e. Provide and install test ports; one each, at the inlet side and the outlet side of each new tank.

f. Provide and install a 3-way valve system bypass.

g. Provide and install a new 2” stainless steel turbine flow meter.

h. The new system shall be installed in the same location and footprint of the existing system.

i. Provide and install a winterization purge system; this system shall have a pneumatic fitting on the inlet side of the system and a drain port on the outlet side of the system. Simple gravity tank drains alone are not acceptable.

j. Water pipe shall be of copper material type K.

i. Copper joints shall be threaded or soldered/brazed IAW IPC section

605.12.

ii. Piping shall be supported IAW the 2021 IPC Section 308.

k. Unions, valves, and other miscellaneous fittings shall be metallic brass.

l. Contractor shall furnish, including all materials (fittings etc.) needed to install said system.

m. Contractor shall provide their own housing.

n. Contractor shall provide and submit product data sheets of each item being installed in the system for approval and acceptance by the government contracting officer representative.

Map

Photo #1: Looking from outside at basement level of the back delivery entrance area into Room 001 Storage, where you see the existing water softener system to the left of the stockpiled salt bags.

Photo #2: Existing system connection points.

Photo # 3: Broad view of existing system.

Photo #4: View of existing water softener system looking from just inside the door.