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AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

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A0001

6. ISSUED BY CODE

AMERICAN EMBASSY NEW DELHI

9000 NEW DELHI PL, ATTN: S/GSO

WASHINGTON, DC 20521-9000

UNITED STATES

04/29/2026 PR1 5941173

IN650 7 ADMINI TEREO BY (If other than Item 6) CODE

AMERICAN EMBASSY NEW DELHI

9000 NEW DELHI PL, ATTN: S/GSO

WASHINGTON, DC 20521-9000

UNITED STATES

OF CONTRACTOR (Number. •trust. coun(y. State and ZIP Code/ 9A AMENDMENT OF SOLICITATION NUMBER

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

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

(a) By completing items 8 and 15, and returning 1 copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted:

or (c) By separate letter o, electronic communication whieh includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNO'MEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND OATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by vinue 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 lhe sol icitation and thfs amendment, and Is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

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 authori(y) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT ORDER

NUMBER IN ITEM 10A.

8. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changas In paying office.

appropriation dara, ere.) 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:

o u '"""' (Specify type of moancaoon and authon(y)

E. IMPORTANT, Contractor O i:i not [8j i:i required to :iign thi:i document end return copies to the Issuing omce. -----

14. DESCRIPT10N o/:' AMENDMENTIMODIF1cAffON (Orpa111zed by UCF section heaiings. rnclue11ng s0Sc1fa�onli:ontrscr sub}6cl matterwheru leasible.J The purpose of this amendment is for the following:

1) The end date for submission of offer is extended. The offer must be submitted no later than 5 p.m. May 4, 2026.

2) Provide Questions and Answers - refer pages 2 to 5 of SF-30-A0001.

EJccept as provided herein, all terms and conditions of the document referenced In Item 9A or 10A, as heretofore changed. remains unchanged and In fUII force and effect 1 SA NAME AND TITLE OF SIGNER (Type or print/

15B. CONTRACTORIOFFEROR

(Signature of person authorized re sion) revious edition unu:soble

15C DATE SIGNED

16A. NAME AND TITLE OF CONTRAC

ER (Type or prinU

Royce Branc:_u...;.

DATE SIGNED

Question-13: What water test or ponding test will be performed and for how long?

Answer-13: These will be performed twice at the time of Penetron Coating and on top of membranes. 48 Hours.

Question-14: What inspection checkpoints and acceptance criteria will be used?

Answer-14: Terminations, Flood testing, pasting of membranes etc.

Question-15: Will independent third-party inspection or lab testing be available?

Answer-15: No.

Question-10: Are security, privacy, noise, and guest traffic constraints to consider?

Answer-10: Being diplomatic mission Security and privacy are ought to be there. This was mentioned during walkthrough that there is a possibility of an event every week wherein contract has to stop the work.

Question-11: Where will materials, waste and equipment be stored and disposed and how much area is available?

Answer-11: Storage space will be provided at the ground level next to the building. Self-standing shoots to be prepared to get the material to the trash area. Material and equipment’s will also be stored there only.

Question-12: Please let us know if PCC is required for the labour?

Answer-12: Yes.

Question-7: How will outlets, scuppers, gutters, and downpipes be integrated and sealed?

Answer-7: Drawings have been provided for termination of the membrane inside the drainpipes. There are only four drains on the roof, one in each quadrant.

Question-8: What are the details for parapet and upstand flashings?

Answer-8: Drawings are provided for each type of flashing.

Question-9: What site access and working hours are allowed at this location?

Answer-9: Please go through the SOW. Timings are 0830 – 1700 hrs. Monday to Saturday.

Question-4: Age and history of past waterproofing works, repairs?

Answer-4: The main waterproofing is more than 20 years old. It has been coating with elastomeric coating repeatedly for many years now.

Question-5: Any structural issues, cracks, movement, or drainage problems known?

Answer-5: Not in knowledge now but may come up once the entire waterproofing layers will be removed, and mother slab is exposed.

Question-6: Which specific products/brands and material specifications are proposed and alternatives ? (including primers, membranes, sealants)?

Answer-6: Mentioned in SOW. Alternatives are in contractors’ scope to find out and justify.

Answer-3: There are active leaks in the roof which currently are covered with elastomeric coating with geotextile.

Question-2: Have moisture readings (hygrometer/pin meter/infrared) been taken? Can you share results?

Answer-2: No.

Question & Answer Form Solicitation No.191N6526Q0041 Title: Provide Waterproofing services at CMR Roof

Date: 17 April 2026

Question-1: What is the primary cause/concern (leak, condensation, rising damp, staining, failed previous system)?

Answer-1: Leakage.

Question-3: Are there active leaks now or only historical stains?

Note: Contractors are advised to submit cut sheets of all the products which they are cosidering in their bid for evaluation.

Question-16: What warranties are provided for materials and workmanship (duration and coverage)?

Answer-16: 10 years warrantee required, please refer SOW.

Question-17: What are the warranty claim procedures and service response times?

Answer-17: Vendor to ensure repair / replacement depending on the kind of damage. Refer to solicitation and SOW for warranty details.

Question-18: Is a maintenance plan provided (periodic inspections, re coating schedule)?

Answer-18: Vendor to suggest maintenance schedule as he has to honor the warrantee. Vendor to provide recommended maintenance plan if any required.

Question-19: What is the start date, duration, and key milestones?

Answer-19: Start dates would be as soon as successful vendor will be ready to start. Milestones will be each quadrant. Duration 120 days.

Question-20: What weather conditions will affect scheduling and how will delays be handled?

Answer-20: This is contractors means and methods. We are not going to stop during monsoons so vendor must plan for a sturdy shade above the work area.

Question-21: Payment schedule ?

Answer-21: Vendor to submit invoice upon successful completion and handover of each quadrant. Payment shall be made within 30 days after completiuon of work and submission of clean invoice.

Question-21: What if there is cost escalation due to abnormal excusable delays?

Answer-21: Not allowed. Read the solicitation carefully.

Question-22: What safety measures, PPE and fall protection will be used?

Answer-22: Please read the solicitation carefully. Same was also expalined during the walkthrough. Vendor to Follow EM -385 - 1-1 Question-23: How will dust, fumes and runoff be managed to protect occupants and landscaping?

Answer-23: As of now there is no occupant in the building. But events do take place every now and then. Being 25 feet above the ground landscaping is not in question. Managing any such condition is contractors means and methods.

Question-24: What are the protocols need to be followed for installation of scaffolding ?

Answer-24: Please follow EM 385-1-1 Question-25: How will aftercare and post installation inspection be handled?

Answer-25: Will allow the vendor to come and perform post installation inspections.

Question-26: Any requirement to mechanically cleaning with grinding machine on mother slab to receive Penetron coating as it needed free from grease , dirt and bituminious surface .

Answer-26: We anticipate such situation, so please consider it in your bid as separate line item.

Question-26: Any requirement to mechanically cleaning with grinding machine on mother slab to receive Penetron coating as it needed Answer-26: We anticipate such situation, so please consider it in your bid as separate line item.

Question-27: Scaffolding - from bottom uoto 4 or 6 feet above from the working area or we will use harnesses to work at projections . we can bind rope around raised pent house structure Answer-27: Scaffolding is the only option. With scaffolding up there may be some situation where you still need to wear safety harnesses, for example when you are standing on scaffolding to do some job.

Question-28: Flashing -designs and linear feet area require Answer-28: Both are available in the drawings. Some calculations needs to be done on contractors part.

Question-29: Skylight - leave as it is or sealed ( contractor part ?)

Answer-29: Consider them to be sealed as a contractor part.

Question-30: Duct - under area , how we can treat ?

Answer-30: Once demolition will be done the space will be available for treatment.

Question-31: Paver placements ? qty Answer-31: Placement will be one meter center to center and balance area to be filled with round while pebbles approx. 1.5” diameter.

1.5” river stone (unpolished) – Picture below.

Question-37: Could we need to cover/protect the floor area at ground level protect from falling objects ?

Answer-37: Yes.

Question-32: Additional rain water pipe requirement ?

Answer-32: No.

Question-33: Any support required to projection where the scaffolding /Chhute will fixed ?

Answer-33: One part of the scaffold anyway must underneath the overhang supporting it. Support is required.

Question-34: Inside the house - any structural support needed to roof slab during demolition / work ?

Answer-34: Not anticipated.

Question-38: Any signage needed for caution at Ground level to indicate that some work will perform at roof ?

Answer-38: Yes Question-39: We will make movable waterproof canopy with steel frame to work in rainy season.-its allowed . also will use some big umbrella / enclosure at roof ( movable) ? Allowed?

Answer-39: Anything which is sturdy and allows not water to seep through and is safe from structural point of view is allowed. Contractor is responsible for any water damage that may happen inside the house from roof and its repair matching to existing. Which does not fly away in strong winds.

Question-40: Please confirm the thickness of existing layer of waterproofing over the mother slab

Question-35: We need one power outlet and one water outlet at roof /work area Answer-35: You will get it, free of cost. It will be provided at one location and further distribution will be contractor scope.

Question-36: Pedestal or any other civil work for other services -if needed - contractor's part?

Answer-36: All pedestals are metal ones, but any civil work required during demolition time or later will be in contractors scope. Please consider it.

Answer-40: 8”-9”.

Question-41: Confirm the coating /layer of Penetron coating area ( on all the surface or overhangs only) Answer-41: All surfaces Question-42: KINDLY CLARIFY THE DEPTH OF EXISTING WATERPROOFING LAYERS TO BE DEMOLISHED.

Answer-42: The depth is approximately 8-9”.

Question-43: WETHER WE CAN USE THE APP MEMBRANE OF ANY OTHER MANUFACTURER OR ONLY WE HAVE TO USE STP MAKE.

Answer-43: STP is recommend. Equivalent materials will also be acceptable, vendor must justify equivalency and submit supporting documents along with bid for verification of same.

Question-44: FOR CRYSATALINE COATING WE HAVE TO SPECIFICALLY USE PENETRON MAKE OR ANY OTHER MAKE ALSO BE

CONSIDERED.

Answer-44: Penetron is recommend. Equivalent materials will also be acceptable, vendor must justify equivalency and submit supporting documents along with bid for verification of same.

Question-45: OVER VERMICULITE IT IS SPECIFIED THAT AFTER DRYING PROVIDE A COAT OF PRIMER & LAY BASE COAT MEMBRANE , DO

WE HAVE TO APPLY BITUMEN OVER PRIMER OR NOT

Answer-45: Please consider foam blocks instead of vermiculite. On top of the foam blocks PCC to be done to make it even and maintain slope. Above foam blocks or PCC layer, first primer and then directly membrane to be applied. No coat of bitumen.

Question-46: AS PER THE DRAWING PROVIDED IT IS SHOWING CONTINUIOS PAVERS - WETHER WE HAVE TO LAY MARBLE CHIPS OR

NOT.

Answer-46: Drawings were indicative and generalized. Pavers will come with one meter center to center distance between adjacent pavers. Marble chips will come in between the pavers. 1.5” river stone (polished) – Picture below.

Question-47: IN THE DRAWING IT IS MENTIONED LAYING OF WOODEN BLOCKS UNDER S.S FLASHING , DO WE HAVE TO INSTALL FULL LENGTH OF WOOD UNDER FLASHING AND ALSO QUALITY OF WOOD AND SEASONING REQUIRED OR NOT ALSO.

Answer-47: It will be a continuous wood with slope towards inside of the roof. The wood should be fully seasoned so that it should not warp under heat or cold. Any deformity will be considered as warrantee issue later. As far quality is concerned, Marandi wood can be used.

Question-48: OVER THE OVERHANGS - REMOVING OF EXISTING ELASTOMERIC COATING ETC AND APPLICATION OF PENETRON COATING AND NEW ELASTOMERIC COATING - KINDLY SPECIFY WETHER WE HAVE TO APPLY APP MEMBRANE OR NOT. OVERHANGS.

Answer-48: Scrap the entire overhang to the mother concrete. Apply coat of Penetron. One layer of 4mm APP membrane. The membrane will terminate on two sides, one towards the roof and other towards the edge of the overhang. End flashing on the edge will be a per the details shown in the drawing. Top of that coat of Synroof coating (with geotextile of 100 GSM) to give it a white look.

Question-49: FOR CANTS ON EDGES - WETHER IT HAS TO BE MADE WITH PENETRON MORTAR OR NORMAL PCC - KINDLY SPECIFY Answer-49: Penetron mortar.

Question-50: The provisions for material storage within the premises – There is limited space available.

Answer-50: Contractor is expected to bring in the materials as per available space. Balance material shall be stored in their warehouse.

Question-51: The designated location (lead) for terrace debris disposal.

Answer-51: It is on the ground adjacent to the house. Vehicles can reach to this point for pick up.

Question-52: The process and logistics for movement of debris disposal vehicles Answer-52: Preapproval to be obtained from Embassy to bring in any vehicle on site.

Question-53: Solar Structure: The existing solar structure on the roof is not mentioned in the SOW. who is responsible for dismantling, storing, and reinstalling this structure.

Answer-53: Embassy will be doing this job.

Question-54: Cement base for MS Structure: The contractor shall repair any damage caused during the waterproofing work. However, if the damaged caused during removal of the solar panels and MS structure by 3rd Party, such pre-existing damage should be repaired by Embassy, while the contractor shall be responsible only for damage caused during the execution of work.

Answer-54: Yes, agreed.

Question-55: Demolition Volume: While the SOW requires reaching the RCC slab, can the Embassy provide an estimated average thickness of the existing roof build up (marble chips, pavers, insulation, and vermiculite) to help calculate accurate debris volume.

Answer-55: Approx. 8”.

Question-56: Debris Removal Mechanics: Are there any restrictions on the type of mechanical tools used to shift debris from the roof to the ground (e.g., temporary exterior chutes, mechanical hoists). Also the Structural certificate cost will be considered for cost estimation.

Answer-56: There is no restriction on type of mechanical tools used to shift debris from the roof to the ground. Vendor is responsible for structural integrity of the building while installing any such system.

Question-57: Heating Methods: The SOW mandates LPG for heating bitumen. Are alternative industrial gas methods permitted, provided safety protocols are followed.

Answer-57: Need to mention alternate heating methods. Burning wood is not permitted.

Question-58: For materials listed in the Contractor Provided Materials section where specific brands or "makes" are not explicitly defined, what should be considered for cost estimation to be accurate and meets Embassy standards -

a) Can the Embassy provide the required technical specifications or approved brand lists for the bituminous primer, 300-micron polythene sheet, stainless steel drain covers, and aluminium roof coating.

Answer-58 a): Please refer to SOW for details.

Question-58 b) Are there specific grade or material requirements for the cement and stone dust to be used in the repair and mortar layering.

Answer-58 b): Standard Portland cement Question-59: Weather, Timelines & Logistics: Rain Days & Protective Covering: The contractor is liable for preventing water seepage during the project. If temporary structural coverings (like a heavy-duty tent) are required due to seasonal rain, is the contractor expected to absorb this cost into the overhead, or will it be treated as a separate line-item/exception.

Answer-59: It is expected to be mentioned as separate line item which will be paid if used.

Question-60: Time Extensions for Weather: The project timeline is 60 calendar days. Will documented severe weather (rain days) that halts or slow down the waterproofing work be eligible for time extensions

Answer-60: Please see excusable delays definition in SOW. Only those will be exempted and provided as an additional time without any penalty.

Question-61: Material Delivery & Storage: Considering the project duration of 60 calendar days, if the contractor want to deliver all materials at once, will we get adequate storage space at site. Additionally, whether any payment shall be made against materials delivered to site at once or in two parts.

Answer-61: There is no space to store entire material on site. This was explained during walkthrough that vendor must keep the material in their warehouse and bring as per requirement of each quarter or per space availability. No escalation in cost will be considered later during project execution.

Question-62: Safety & Compliance: Confined Spaces - The safety guidelines mention confined space protocols. Are there any specific confined spaces (e.g., internal wat Answer-62: There are not confined spaces.