MB02 75H70122Q00022-A00002.pdf

(a) By completing items 8 and 15, and returning or (c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment your desire to change an offer already submitted, such change may be made by telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

E. IMPORTANT: Contractor is not, is required to sign this document and return copies to the issuing office.

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT 1. CONTRACT ID CODE

4. REQUISITION/PURCHASE REQ. NO.

7. ADMINISTERED BY (If other than Item 6) CODE

STANDARD FORM 30 (REV. 10-83)

Prescribed by GSA FAR (48 CFR) 53.243

FACILITY CODE

9A. AMENDMENT OF SOLICITATION

NO.

9B. DATED (SEE ITEM 11)

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

12. ACCOUNTING AND APPROPRIATION DATA (If required) copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

13. THIS ITEM ONLY APPLIES TO MODIFICATION OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

CHECK ONE A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT ORDER NO.

IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

D. OTHER (Specify type of modification and authority)

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15C. DATE SIGNED 16C. DATE SIGNED

6. ISSUED BY CODE

8. NAME AND ADDRESS OF CONTRACTOR (No., street, county, State and ZIP Code) (X)

CODE

15B. CONTRACTOR/OFFEROR

(Signature of person authorized to sign) (Signature of Contracting Officer)

NSN 7540-01-152-8070

Previous edition unusable

2. AMENDMENT/MODIFICATION NO.

A00002

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

15A. NAME AND TITLE OF SIGNER (Type or print) 16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

Project No. PO0YA696C6, Mathison Site - Water Treatment System, Amendment A00002.

1. The purpose of this amendment is to provide the following: Government responses to additional contractor's questions received-in as well as clear up design deficiencies (i.e., revised specification and bid schedule) to the solicitation - which can be found herein upon pages 2-11.

2. The solicitation proposal date remains unchanged at July 15, 2022 @ 2:00pm CST.

3. All other terms and conditions remain unchanged and in full effect.

Indian Health Services (IHS) Division of Engineering Services (DES) - Dallas 1301 Young Street, Suite 106-840 Dallas, TX 75202-5433

Indian Health Services (IHS) Division of Engineering Services (DES) - Dallas 1301 Young Street, Suite 106-840 Dallas, TX 75202-5433

10A. MODIFICATION OF CONTRACT/ORDER NO.

5. PROJECT NO. (If applicable)

PO-20-C72B

PAGE OF PAGES

10B. DATED (SEE ITEM 13)

3. EFFECTIVE DATE

7-1-2022

75H701-22-Q-00022

6/16/2022 is not extended.

One (1)

X

Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended, by one of the following methods:

X The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers is extended, X romiller Cross-Out

Mathison Site – Water Treatment System Solicitation No.: 75H70122R00022 A00002

Contractor Questions and Government Responses, Dated 30 June 2022, to Mathison Site – Water

Treatment System:

1. Q: What is the preferred foundation and flooring for the pumphouse structure. Is a gravel and pier and block foundation and wood floor acceptable? Or, is a concrete floor preferred?

A: A concrete floor is required. Section 2.10 of 02512 Individual Water Systems specifies a reinforced concrete slab 4-inches thick.

2. Q: Is a specification available for the diffuser and air pump shown in the drawings?

A: See Attached Specification 02152, labeled Individual Water Systems.

3. Q: It was noted that there is a more cost-effective alignment available for extending underground power to the pumphouse structure.

A: See Attached Revised Bid Schedule which incorporates an increase in quantity CLIN 10 from 150 LF to 190 LF as needed to route the underground electric service in front of the home.

Pricing shall be based on installing the underground electric service in front of the home where easier access will result in a more cost-effective installation.

*As stated within the solicitation, inquiries not received-in by the 29 June 2022 may not necessarily be addressed with Government response(s) herein.*

NOTICE TO OFFERORS: Offerors must acknowledge receipt of any and all amendments by number and date on their cover letter in their offer or by submitting a signed copy of the SF30.

All other terms and conditions remain unchanged.

Portland Area Indian Health Service Revised 06/2022

Individual Household Water Systems 02512 - 1

SECTION 02512 – INDIVIDUAL HOUSEHOLD WATER SYSTEMS

PART 1 - GENERAL

1.1 SUMMARY

A. This section includes the installation of submersible pumps, drop pipe, electrical wiring, pressure tanks, water service lines, constant pressure systems, and pitless units from the well to the household or yard hydrant.

1.2 REFERENCES

A. ASTM A 53 – Pipe, Steel, Black and Hot-Dipped, Zinc-Coated Welded and Seamless

B. ASTM D 1785 – Polyvinyl Chloride (PVC) Plastic Pipe, Schedules 40, 80, and 120

C. AWWA C901 – Polyethylene (PE) Pressure Pipe and Tubing, 1/2 Inch Through 3- Inch, for Water Service

D. NSF/ANSI 14 – Plastics Piping System Components and Related Materials

E. NSF/ANSI 61 – Drinking Water System Components – Health Effects

F. National Electric Code (NEC)

1.3 SUBMITTALS

A. Submersible Pumps and Warranty

B. Motor Protector

C. Pressure Tank and Warranty

PART 2 - PRODUCTS

2.1 SUBMERSIBLE PUMP

A. Pump requirements:

1. Goulds 4-inch Submersible Well Pump; or,

2. Grundfos 4-inch Submersible Well Pump

2.2 WELL PUMP PROTECTOR

A. SynCom Model 231-Insider Single Phase PumpSaver or equal.

2.3 SUBMERSIBLE PUMP CABLE

A. Heavy duty rubber, Type USE cable equal to Paige Electric.

Individual Household Water Systems 02512 - 2

B. Crimp connectors equal to Sta-Kon.

C. Waterproof electrical tape equal to Scotch Brand No. 33 or 88.

2.4 WATER SERVICE LINE

A. Polyethylene Pipe

1. AWWA C901 and ASTM D2239.

2. IPS size pipe: SDR 7 with 200 psi pressure rating.

3. High density, ultrahigh molecular weight polyethylene pipe compound PE-3408.

4. Non-flare fittings: Compression type equal to Ford Pack Joint, C66-44 or C66-

55, or McDonald MAC-PAK with rigid stainless steel stiffeners.

5. Pipe equal to Cresline HD 200.

2.5 PIPE HANGERS

A. Composed of material compatible with piping.

B. Sufficient strength to support the pipe at full capacity.

C. Not affect pipe integrity by abrading, cutting or bending of pipe.

2.6 PRESSURE TANK

A. Equal to Well-X-Trol Model WX-255 with a 5-year warranty precharged for a 40-60 psi operating level.

B. Pressure switch equal to Square D Class 9013 Type FSG2 pressure switch adjusted for 40 – 60 psi operating range

C. Reflective bubble insulation equal to Ply-foil.

D. Plumbing Tree:

1. Elevated tank cross equal to Simmons 740SB.

2. ¼ turn brass lever ball valve equal to Watts LFB-6000.

3. Metal sample faucet with smooth bore hole or a hose bibb with vacuum breaker.

Minimum diameter ¼ inch.

4. Pressure switch.

5. Pressure relief valve.

6. Pressure gauge equal to American Granby EILPG1002-4L.

7. Dielectric union.

2.7 AERATION EQUIPMENT

A. Linear Air Pump

1. UL Approved

2. Capable of providing 2 cfm of air supply at 3.5 psi

3. 120 VAC with thermal overload protection

4. Equal to Hiblow HP Linear Air Pump, HP-40

Individual Household Water Systems 02512 - 3

B. 9-inch Disc Fine Bubble Diffuser

1. Equal to EDI FlexAir 9” Disc Fine Bubble Diffuser

2.8 HOLDING TANK

A. ANSI/NSF 61 1,200 gallon ribbed water tank

B. Polyethylene underground tank suitable for potable water

C. Norwesco Model N-41329 or equal

D. Access risers to grade

2.9 UNDERGROUND WIRING

A. Underground wiring equal to Paige Electric Type UF with ground wire for direct burial.

B. Sized to limit the total voltage drop from the electrical service to the pump motor to 2 percent or less.

C. Rigid conduit, Schedule 80 PVC.

2.10 8’ X 8’ ENCLOSURE

A. Custom insulated wooden enclosure to house pressure system and necessary appurtenances as shown in the drawing.

B. Enclosure footprint shall be 8 feet by 8 feet, with a minimum wall height of 6 feet.

C. Enclosure’s pressure treated wooden base firmly and permanently mounted to a reinforced concrete slab 4 inches thick

D. Base Slab:

1. Water line within 4-inch SCH 40 PVC or ABS sleeves

2. Electrical cable and conduit through 2-inch SCH 40 PVC or ABS sleeve

E. Receptacle

1. 120 V duplex ground fault circuit interrupter receptacle, Leviton 6198- I or equal

F. Light Fixture:

1. Porcelain light fixture suitable for use in a moist or damp environment

2. Bulb guard: McGill/1433 or approved equal

G. Switch

1. 115 V illuminated handle toggle switches, Hubbell 1201-IL or equal

H. Circuit Breaker Panel:

1. NEMA 1 cabinet

Individual Household Water Systems 02512 - 4

2. 60A Feeder

3. 240 V pump circuit: two-pole 15 amp with a minimum interrupting rating of

10,000 amps

4. 120 V receptacle circuit: single pole 15 amp with a minimum interrupting rating of 10,000 amps

5. Insulated neutral bar and a separate ground bar kit

I. Lumber:

1. All lumber to be pressure treated to 0.40 pcf

2. Rafters: No. 2, DF, S-dry

3. Studs, Plates, and Headers (2” x 4” and smaller): No. 2, DF, S-dry

4. Exterior Sheathing:

a. Roof Sheathing: 5/8 inch CDX ext. plywood

b. Wall Sheathing: ½ inch T1-11 plywood

J. Rigid conduit, Schedule 80 PVC.

PART 3 - EXECUTION

3.1 SUBMERSIBLE CABLE

A. Securely attach submersible pump cable to the drop pipe every 10 feet using tape.

B. Provide an extra 12 inches of cable under the well cap.

C. Waterproof splices made using correctly sized crimp wire connectors and heat shrinkable sleeves.

D. Test all cables for leakage or shorts using an ohmmeter and correct if not within the tolerance recommended by the manufacturer.

E. Limit the overall voltage drop from the electrical service to the pump motor to 2 percent

3.2 WATER SERVICE LINE AND APPURTENANCES

A. Install water service line of the size and material indicated on the Bid Schedule.

B. Install at the locations shown on the plans.

C. Provide sufficient slack in the water service line to prevent pulling joints apart and to allow for contraction due to temperature changes.

D. Install service line:

1. From the main to a location into or near home.

a. Connect to the home’s existing water stub out if provided outside the home.

b. If sleeve provided, run water line through the sleeve and leave a minimum of

12-inches of piping in the home. Seal space between piping and sleeve to prevent groundwater from entering the home.

c. If no stub-out is provided, cap service line and mark with steel post.

Individual Household Water Systems 02512 - 5

d. For connecting beneath the home, install pipe hangers at a maximum spacing of 6 feet apart for all horizontal copper tubing and 2 feet apart for all horizontal PE pipe inside the home.

2. Bury line consistent with water main depth. Insulate where installed above recommended frost line.

3. Install warning tape 2 feet below finished grade

4. Use compression couplings for all connections.

5. Use stainless steel insert stiffeners for compression connections to PE pipe.

6. No splices or joints are allowed from the point of connection to the main to a point 10 feet beyond any sewer line crossing.

3.3 BURIED CABLE

A. Install all wiring and underground cable (including a copper ground wire connected to the motor) in accordance with local utility regulations, the NEC, applicable state and local codes.

B. No underground splices are allowed.

C. Install in the same trench and at the same depth as the waterline.

D. Control power to each unit with a new fused disconnect switch or manually reset circuit breakers placed in the home, where possible, or otherwise on a power pole near the well.

1. Install lightning arrestor in accordance with manufacturer’s recommendations.

E. Connect underground wiring to the pump cable under the well cap using wire connectors.

1. Provide an extra 12 inches of slack cable under the well cap.

2. Tape connections using waterproof electrical tape.

3. The connections shall be accessible without having to unseat the spool

F. Securely attach the ground wire to the casing with a threaded metal screw tapped into or drilled through the casing

G. Ground the submersible pump and well casing to the panel in accordance with the NEC

H. Extend rigid conduit from the well cap to a point 2 feet below grade.

I. Enclose wiring within the home in rigid or flexible conduit, except wiring running in the floor joists.

1. Neatly cut conduit entrances into the home, seal or caulk when complete.

J. Provide sufficient slack in the wire in the trench to prevent separation of the cable by settlement of the trench.

Individual Household Water Systems 02512 - 6

K. For mobile homes and houses without basements, install underground wire in rigid conduit when placed below the structure.

3.4 PRESSURE TANK AND FITTINGS

A. Place tanks as shown on the plans.

B. No fittings made of galvanized iron, nylon, plastic, or containing lead are allowed.

C. Install tanks as shown on the attached drawings, including pressure gauge (0 – 100 psi), pressure switch, brass elevated tank cross, sample faucet, ¾ inch bronze ball valve and all miscellaneous brass fittings and adapters.

1. Install sample faucet a minimum of 12-inches above finished floor elevation.

D. Use leveling blocks or hangers when installing tanks

E. Connect tank to existing plumbing, if available. In home plumbing installed to the point of connection to existing plumbing shall be done with copper tubing.

F. Install tank so that it can be connected to house plumbing.

G. For tanks with a steel inlet fitting use a dielectric union, installed between the inlet pipe and the brass cross.

H. Install tank and cross such that the tank can be easily removed.

I. Install ½ inch brass pressure relief valve.

J. Wrap the bottom two feet of the pressure tank with reflective bubble insulation.

3.5 BACTERIOLOGICAL TESTING

A. Provide negative bacteriological sample report for water system after system has been installed and flushed, prior to placement in service.

B. No payment will be made for water system until the negative bacteriological sample report has been received.

3.6 POST INSTALLATION PERFORMANCE VERIFICATION TESTING

A. Collect water samples (below) during the latter portion of the filter test and submit them to an EPA certified laboratory. Record date, time and temperature of each sample. Conform to all lab-sampling requirements.

Color Arsenic Nitrate (as NaNO3)

Calcium Chloride Corrosivity (Langelier Index)

Fluoride Hardness (Total) Hardness (Carbonate) Iron Manganese pH

Individual Household Water Systems 02512 - 7

Total Dissolved Solids Total coliform bacteria E. coli bacteria

B. Contractor will furnish sample containers.

3.7 AS-BUILTS

A. Provide as-built information for all completed facilities

END OF SECTION

BID SCHEDULE

Mathison Water Treatment System

1340 Brozio Rd Roseburg, OR 97471

PO-18-C36B

ITEM DESCRIPTION

EST

QTY UNIT

ESTIMATED

UNIT PRICE

ESTIMATED

TOTAL PRICE

1. Mobilization/ Demobilization 1 LS $ - $ -

2. 1200 gallon ribbed underground water tank -vented 1 LS $ - $ -

3. 1" HDPE Pressure Pipe 140 LF $ - $ -

4. 8X8 Pumphouse enclosure 1 LS $ - $ -

5. New Well Pump Float Controls 1 LS $ - $ -

6. 1/2 hp stainless steel submersible pump (Water Tank) 1 LS $ - $ -

7. Water Pressure System - 80 gal 1 LS $ - $ -

8. Air pump with piping, controls, and diffusers 1 LS $ - $ -

9. Connect to existing water line at the house 1 LS $ - $ -

10. Underground Electric Supply - 60 Amp 190 LF $ - $ -

11. Disinfection and Bacteriological Water Testing 1 EA $ - $ -

12. Post Treatment Water Testing/Special Standards Approval WRD 1 LS $ - $ -

Subtotal $ -

Total $ -

Signature of Offeror Date

Position and Company

NOTE TO OFFERORS:

THE OFFEROR MUST SUBMIT A PROPOSAL ON ALL ITEMS OF THE SCHEDULES AS AWARD WILL BE MADE IN AGGREGATE. THE ESTIMATED QUANTITIES OF INDIVIDUAL ITEMS MAY BE INCREASED OR DECREASED AS REQUIRED TO ACCOMMODATE ACTUAL CONDITIONS AT THE SITE BY THE TRIBE'S REPRESENTATIVE AT THE UNIT BID PRICE. HOWEVER, IN NO EVENT SHALL THE TOTAL VALUE OF THE WORK PERFORMED EXCEED THE TOTAL CONTRACT AMOUNT WITHOUT PRIOR WRITTEN APPROVAL OF THE CONTRACTING OFFICER. THE CONTRACTOR

SHALL BE PAID FOR ACTUAL QUANTITIES INSTALLED.

J. Rigid conduit, Schedule 80 PVC.