B05 Amendment 4.pdf

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:

(a) By completing items 8 and 15, and returning or (c) By separate letter or electronic communication 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 you desire to change an offer already submitted, such change may be made by letter or electronic communication, provided each letter or electronic communication 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

2. AMENDMENT/MODIFICATION NUMBER 3. EFFECTIVE DATE 4. REQUISITION/PURCHASE REQUISITION NUMBER 5. PROJECT NUMBER (If applicable)

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

STANDARD FORM 30 (REV. 11/2016)

Prescribed by GSA FAR (48 CFR) 53.243

FACILITY CODE

9A. AMENDMENT OF SOLICITATION NUMBER

9B. DATED (SEE ITEM 11)

10A. MODIFICATION OF CONTRACT/ORDER NUMBER

10B. DATED (SEE ITEM 13)

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers is extended. is not extended.

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 APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NUMBER 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

NUMBER IN ITEM 10A.

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

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

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

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

16C. DATE SIGNED

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.)

PAGE OF PAGES

6. ISSUED BY CODE

8. NAME AND ADDRESS OF CONTRACTOR (Number, street, county, State and ZIP Code) (X)

CODE

15B. CONTRACTOR/OFFEROR

(Signature of person authorized to sign)

16B. UNITED STATES OF AMERICA

(Signature of Contracting Officer)

Previous edition unusable

A00004

Thupten Tsering

The purpose of amendment 4 to solicitation 75H70125R00076 (Project #'s GP21CC601Q7/GP22CC600Q7) is the following:

1. Incorporate RFI response 1-71.

2. Change the due date to 2pm Pacific on 12/2/2025.

3. All other terms and conditions remain unchanged.

Indian Health Service - DES Seattle 701 5th Avenue, Suite 1600 Seattle, WA 98104

See Item 6

75H70125R00076

See Block 14

1 4

11/17/2025

10/02/2025

Number RFI Response

What material is the water proofing membrane shown on the concrete foundation walls? Is it a fabric type membrane or a painted on petroleum based type of membrane? Is a specification avaialble? See specifications - Division 07

The appliances are tagged “To Be Determined”. Are the appliances to be included? Is there a specification available? See specifications - Section 113013

Are window shades to be included? I do not see a reference on the window page. See specifications - Section 122413

Has anyone inquired about changing the I-Joist floor assembly to 18” floor trusses, similar to the duplexes in Wanblee, Kyle and Pine Ridge? Yes, the design has been revised to floor trusses.

5 What is a T-BUR line is? Is this an internal IHS line? Telephone - Buried

6 Is a specification book and geo tech report available for these duplexes? See SAM.gov posting updated 10/24/2025

Structural drawings show stair framing but no stairs appear in the architectural.

Please confirm that there are no stairs. confirmed - there are no stairs

Structural framing plan looks like the TJI’s are bearing on a ledge on the inside of the foundation, but the detail shows it bearing on top of the foundation. Please confirm construction.

TJI design was modified to floor trusses. The framing bears on the top of the foundation wall.

How is the party wall to be framed as there are no details. Should we include an extra TJI and a gable end truss at each wall? Please clarify.

TJI design was modified to floor trusses. Party wall framing doesn't require any addition framing members

Civil plans shown 1” PE water service line feeding duplexes. Does this line need to be larger to also accommodate the fire sprinkler system? Domestic water service size is 1"

Are we to bid the project to include the ground source heat pump and in-ground hydronic piping system, or will this be changed to a forced air system? If forced air, will it be electric or gas?

HVAC design was revised to an air source heat pump design. Supplementary electric heating is included. No gas heating. See updated sheets M601 - M701

Plans show water lines and back flow preventer in the garages, which could be a freeze concern. Shall we plan on having this plumbing relocated to the mechanical rooms?

Garages have a unit heater to prevent freezing. If plumbing can be coordinated to relocate to mechanical rooms, this is an acceptable alternative to the design on the plans.

Will the answers previously provided to the RFI's submitted during the 2023 solicitation for this project apply to this current solicitation? It appears the drawings have not changed from 2023. If so, please issue formally. This is a new solicitaiton, previous RFI's will not be considered.

The interior elevations show that the exterior of the cabinets are Oak (wood) but the interiors are white melamine. Do you want the entire cabinet to be residential quality wood? Or do you want a high-quality commercial cabinet with an interior of white melamine shelf/interior finish and the outside being a flat oak veneer door? Typically, we would use plastic laminate on the exterior in lieu of oak veneer as veneer is much more expensive. See attached specification 064116

15 Please provide color information for the cabinets. See attached specification 064116

Elevations call for countertops to be Plastic laminate countertops w/ 3mm PVC edges but the detail shown on 11/A411 shows a solid surface SS-1 countertop.

Please confirm what material we are to bid as countertops for both kitchen an bath areas. Use solid surface countertops

Will there be window sills other than a drywall return? If so, what is the material? Drywall returns

What type of brackets do you want under the restroom laminate shelves in the restrooms(9/A411)? Include in a submittal

Please confirm that this bid should on the Northern Cheyenne Tribe (as indicated in the TOPR) since Fort Thompson, SD is located within the Crow Creek Sioux Reservation. confirmed - Fort Thompson is located within the Crow Creek Reservation

As far as the sanitary goes, only two duplexes are being constructed at this time so should we plan on tying into the existing sanitary on both North and South sides as well as including both manholes and only installing the services for the two duplexes or all 4? Yes, that is correct.

As far as the watermain goes, only two duplexes are being constructed at this time so should we plan on tying into the existing watermain on both the North and South sides as well and only installing the services for the two duplexes or all 4? Or should we just figure installing all underground utilities? Only install the water service to the units being constructed now.

22 Is there a specifications document? See SAM.gov posting updated 10/24/2025

Will the SD state plumbing commission be inspecting plumbing or not due to tribal laws? No they will not.

Do we need to include a submittal of all materials, faucets and equipment needed for the plumbing or will the IHS provide that? Include in a submittal.

Would a submittal be needed to change domestic water piping from overhead to the crawlspace due to cold climate? We cannot pipe water in unconditioned space Include in a submittal

It is unclear what the scope is of the site utilities required as part of this RFP.

The SOW references C204, C308, C309 and C310, which all show the new utility mains for 4 units. Are we to install the new water and sewer mains and manholes as shown on C204 as part of this project, or are the mains already installed, and we are just tying into them for the new duplexes? Please clarify what is required.

The mains are not installed. Install new sewer including both manholes. Water and sewer service will only be needed to the units currently being constructed

Sheet A103 roof system indicate shingled roof, can you provide the specifications requirements for shingle roof system? We would prefer shingled roof system Also see supplemental specification.

Sheet A201 indicates steel siding, can you provide the specification requirements for Steel Siding System?

The steel siding was later revised to engineered wood siding – Hadie/LP Siding and Trim or similar. Also, if revising to shingles, replacing the metal fascia and soffit with engineered wood could be a appropriate option.

Section 095113 Acoustical Panel Ceilings is indicated in the table of contents, can you confirm that the scope of work does not include any acoustical panels and this section should be removed from the table of contents? Yes, that is correct.

Section 113013 Residential Appliances – the Fridge, Washer, Dryer are not defined in the specifications, can you provide the required specification details? Those items will be owner provided.

Sheet A411 The enlarged floor plan at the kitchen area does not provide the framing dimensions for the interior walls can you provide these dimensions and layout? Dimension added. See attached floor plan.

32 Does the R6 Zip system meet the shear wall design parameters?

R6 zip panels meet the required shear wall parameters, but do require the use of 10d nails for installation

Section 013100 Project Management and Coordination – Can the submittals, RFI’s and Submittal register, and other project correspondence be utilized thru FTP Procore System? Yes

013233 Photographic Documentation 1.4 A Photographer: Engage a qualified photographer to take construction photographs. Can the photos be taken by our project Superintendent? Yes

013300 Submittal Procedure 1.7 Delegated Design Can you clarify if any products incorporated into the project require a delegate design? Fire Sprinkler System is a delegated design.

014000 1.6 B Contractors Quality Control Staff - Can the Quality Control Supervisor also serve as the superintendent? Yes

015000 Temporary Facilities and Controls 2.1 B Portable Chain Link Fence can you provide the location of the temporary staging area for each location to incorporate the temporary fencing. The temporary staging area will be close to duplex sites.

017700 Closeout Procedures 1.9 Warranties Can you clarify the warranty period to be 1 year after substantial completion of each individual duplex?

Yes, where the warranty period refers to substantial completion, this is the substantial completion of each duplex.

019113 1.4 Commissioning Team B1 Can you confirm the Commissioning agent is hired by IHS?

The contractor shall hire the commissioning agent. The checklists should be concise for residential construction.

The Finish Schedule indicates wood base can you provide the finish carpentry specification for the base materials? Industry standard base for LVP flooring, ie. Subfloor and underlayment.

Can you provide the location of Division 092216 Non Structural Metal Framing and indicate the wall type required. Wood framing

Section 013300 Submittal Procedures 1.4C states that the submittal review time is 14 calender days, does this duration include the VA, A/E and any consultants? Yes

Are there any seismic requirements? If there are, have they been incorporated with the design already?

Seismic requirements for the building structure have already been incorporated into the design

Can you provide the support backing details and material requirements for wall mounted accessories including the grab bars and shower seats to support 250 lbf as indicated in section 102800 Toilet and Bath Accessories.

Blocking should be provided per the accessory manufacturer's recommendations, which should also meet the 250 lbf requirements.

061000 Rough Carpentry 2.3 Fire-Retardant Treated Materials E – Can you define the locations of treated materials for clarity ie sill plate, Interior Wood Blocking, Clarify the roof structure treated components required, etc. are their other locations required?

Roof sheathing as indicated on the roof plan should be the only required fire-retardant material needed.

061600 Sheathing 2.2 Wall Sheathing A identifies Glass-Mat Gypsum Sheathing the plans indicate R6- Zip Sheathing in the wall section on detail 1 on sheet A311 can you please clarify which product is required for the exterior wall sheathing and provide appropriate specifications? R6-Zip is the appropriate exterior wall sheathing

061600 Sheathing 2.2 A 2 Roof Sheathing can you define the appropriate materials for the roof sheathing and update the specifications for section 2.2 Roof sheathing shall be per the notes on sheet S112

061600 Sheathing 2.2 A 3 Subfloor Sheathing can you define the appropriate materials for the Subfloor sheathing and update the specifications for section

2.2 Floor sheathing shall be per the notes on sheet S111

072715 Air Barriers – can you clarify the use of air barriers as the plans indicate R6-Zip sheathing with barriers?

Zip sheathing as installed per the manufacturer’s meets requirements of an air barrier as required by code.

Can you provide a detailed exterior wall section to utilize standard sheathing and air barrier and if it would be acceptable in lieu of the R6-Zip sheathing? Provide R6-Zip Sheathing as indicated

Section 096519 2.2 products identified in specifications include Armstrong Theorem, Shaw Floorte and Mohawk Solidtech, Theorem is a glue down, Floorte & Solidtech are floating floors. The flooring installer recommends to use a glue down product. Can you review the products and clarify the type of floor to use?

Either glue-down or floating vinyl plank flooring is acceptable. Please provide submittal for review. The accepted flooring shall be installed in accordance with the manufacturer’s recommended installation practices and the project specifications.

Section 096519 2.2 products LVT Flooring can you identify the wear layer, The flooring installer would recommend a 12 mil wear layer. Mohawk and Shaw both have glue down LVP in 12 mil wear layer.

For this residential application, provide a flooring product with a minimum 12mil wear layer. Please submit product data for review

Can you provide the windows specifications as it appears to be missing from the specifications? Separate vinyl window specification provided

54 Section 088000 Glazing is this section referring to the windows? Separate vinyl window specification provided

The Room Finish Schedule noted the floor base to be wood - Specification section 096513 Resilient Bas & Accessories indicates Rubber Base. Can you clarify if wood base is required and remove section 096513 from this scope. See answer to #40

Section 099113 Exterior Painting Can you clarify the exterior painting locations as most of the products are prefinished ie roof, gutters, downspouts, siding etc.

Unfinished metal, such as doors and galvanized penetrations or any other unfinished materials, should be painted. Concrete being the exception.

Can you provide a head, jamb and sill detail for the windows and doors for clarity?

Windows should be flanged units and taped/flashed for positive drainage per the air barrier/sheathing manufacturer’s recommendations. If window details are still needed they can be provided.

Section 099123 Interior Painting 1.1 Summary Concrete, Steel and Galvanized Metal are indicated to be painted can you provide clarity on the location of these materials as they do not appear to be included in the plans?

Concrete should not be painted. Unfinished/ primed steel should be painted.

Galvanized wall penetrations should be finished to match adjacent construction.

Section 122413 Roller Window Shades 1.2 B 1 Submittals indicate motor-operated shades can you clarify if motor shades are required? Motor roller shades are not required. Chain/chord operation is acceptable.

For the electrical cane you please confirm they MC cable is to be used. Per the specifications it states that MC cable is to be used, but type NM cable is listed. I will forward to our designers

Also there is a specification section on cameras, but I do not see anything on the plans. Cameras are not needed

After reviewing the specifications, we noticed references to asphalt paving;

however, there is no indication of asphalt work shown on the plans or mentioned elsewhere. Should asphalt paving be included in our proposal, or will that work be completed under a separate contract at a later date? Correct, there is no asphalt paving

The specifications also reference a stormwater system, but if no asphalt paving is included, the system cannot be installed with a gravel road, and curb and gutter would not be necessary. Please confirm the intended scope regarding stormwater, curb, and gutter. Correct, there is no need for a stormwater system, or curb & gutter.

The specifications mention both dampproofing and waterproofing. Will dampproofing alone be acceptable for this project? Use waterproofing membrane

The plans call for a ZIP System exterior sheathing, while the specifications refer to a non-bituminous air barrier. Please confirm if the ZIP System will satisfy the air barrier requirement.

Zip sheathing as installed per the manufacturer’s meets requirements of an air barrier as required by code.

66 Do the materials need to be “Buy American” compliant? Yes 67 Is gasketed joint SDR35 PVC pipe allowed? In review

The ductile fitting spec mentions C110, but C153 is much more common for MJ fittings. Can C153 be used? In review

The ductile fitting spec mentions cement mortar lining and FBE coating, but both cannot be used on a fitting. Should the fittings be cement lined/bituminous coated or should they be FBE inside and out? In review

70 Would SIDR7 IPS Poly be allowed for the 1” water services? In review

I saw that tracer wire is going to be required for both sanitary and water, but I didn’t see a spec for it. Would 12GA PE45 Kristech be acceptable? This is the most common tracer wire used in South Dakota. In review