Responses for PreBid Requests for Information - Repair Condensate Steam Lines - 36C24222B0011.pdf

Responses to Requests for Information for Solicitation No. 36C24222B011

Repair Condensate & Steam Lines Project no. 561A4-18-106

Question 01: Please confirm if there are any domestic steel requirements.

Response 01: Comply with Buy America Act

Question 02: Please confirm that the ASME Code requirements for this project are subject to

B31.9, Building Services Piping

Response 02: Yes. See 232213, 1.5.C.2 and D.

Question 03: Will the mechanical installation contractor be required to hold an ASME U, S, H or R stamp?

Response 03: No.

Question 04: Will hydrostatic testing be sufficient on all pipe welds or will x-ray be required?

Response 04: Radiographic testing is required on the exterior distribution system field welds of the steam and condensate piping for DDT and exposed shallow trench piping, piping in manholes and walk through tunnels as per 336300, 3.14.H.

Question 05: Will water for hydrostatic testing of piping systems be provided by owner?

Response 05: Yes

Question 06: Can discharge water from hydrostatic testing be allowed to go into storm drains or do we need to provide a frac tank?

Response 06: Yes, unless it has been contaminated.

Question 07: If X-ray is required, what percentage of welds and who will be responsible for the cost of testing?

Response 07: Contractor is responsible for all radiographic testing and related costs. Also see answer to Question 04.

Question 08: Will tie-in shutdowns need to be done during off hours?

Response 08: No

Question 09: Please confirm if excavated material is acceptable for re-use as backfill in all areas

(above the pipe bedding / cushion material and below the base material in paved areas).

Response 09: Suitable excavated material may be re-used for backfill in non-paved areas (grass and landscape), but not in paved areas.

Question 10: Please confirm if all excess fill materials including broken concrete and asphalt will be allowed to stay on property or hauled offsite.

Response 10: Removed from site

Question 11: Please confirm if the contractor is responsible for any rock removal that is encountered.

Response 11: Excavation is unclassified and no payment will be made for rock excavation. See

312011, 1.4.B and 1.6.A

Question 12: Please confirm if there is a separate staging area outside the work area for fill material to be stockpiled for re-use.

Response 12: Contractors staging area will be West of Building 11 fenced area

Question 13: If all fill material can stay on property, is it expected that the area will need erosion controls and to be topsoil, raked, and seeded at end of project?

Response 13: all excess material must be removed from site, Erosion control measures required

If stored on site.

Question 14: Please confirm if an onsite arborist is required for any tree removal or tree protection.

Response 14: Not required

Question 15: After backfilling, topsoil and seed have been applied who is responsible for watering?

Response 15: Contractor

Question 16: Please confirm if there are existing concrete anchors to be removed at building entries where we use same entry point.

Response 16: Where known, existing anchors are shown on the drawings. It may be assumed that all DDT systems will have concrete anchors outside of building entry points.

Question 17: Please confirm if there is assumed asbestos on direct buried piping that is to be removed.

Response 17: There is no known ACM

Question 18: Will building mechanical entrances be cleared of all stored debris prior to us entering those areas?

Response 18: Yes

Question 19: Please confirm if work in existing tunnels is classified as confined space areas.

Response 19: OSHA definitions of confined spaces apply.

Question 20: With regards to the SDB and VBE participation requirements, please confirm if the value of the direct buried piping can be deducted from the total contract value to determine the final participation goals.

Response 20: Please note this requirement is a 100% Service-Disabled Veteran Owned Small

Business set aside. Please reference sections 4.9 to 4.11 - VAAR clauses 852.219-10;

852.219-74; and 852.219-77.

Question 21: Please extend the bid date so we have sufficient time to review and prepare our bid.

Response 21: The bid opening date has been extended to 1:00 PM Thursday, January 20, 2022.

Bids are due via email to the Contracting Officer no later than 9:45 AM EST to be accepted.

Question 22: Can a sign in sheet from the pre-bid walkthrough be provided?

Response 22: A copy of the pre-bid site visit sign-in sheet is provided as a separate attachment.

Question 23: The Drawing C-104 mentions to construct new 7’x9’ manhole for Condensate

Pumping Station and refers to Drawing C-506 for details, moreover, drawing C-121 mention

Sump Pump Station and also refers to Drawing C-506 for details but details of Sump Pump

Station are not provided on Drawing C-506. On Drawing C-506 the details of only Duplex

Condensate Pumping Station are provided. Please provide the details of Sump Pump Station.

On drawing C-505 some details of Sump Pump station are provided. Please confirm that these details correspond to Drawing C-121 or provide new details of Sump Pump Station if it is different from Drawing C-505.

Response 23: On Dwg. C-121, revise the note for the Duplex Sump Pump Station. The Duplex

Sump Pump Station details are on Dwg. C-505, NOT Dwg. C-506.

Question 24: Please confirm that asbestos, lead, and/or hazardous material is not present at all locations under this contract. Especially in Building 1basement Area H.

Response 24: See attached asbestos report for Building. Chases may have ACM insulation

Question 25: Please provide project drawings C-126, C-127, C-128, C-129, C-130, and C-131.

These drawings are missing from original project documents and amendment #1 & #2.

Response 25: COR to Respond. These Drawings have been provided to the VA by the A/E.

Question 26: Please advise if there are any recommended professional surveyors that VA has previously used for that facility.

Response 26: The Government cannot recommend sub-contractors

Question 27: Please advise if there are any recommended professional surveyors that VA has previously used for that facility.

Response 27: The Government cannot recommend sub-contractors

Question 28: There are some specifications mentioned in Bidding Documents viz., Acoustical

Ceiling for which no work is mentioned in Drawings. Please clarify and provide the Drawing of

Ceiling works.

Response 28: Acoustical tiles are required for the project. For example, see Room 15

Chemistry on Dwg. C-129 and see photographs on Dwg. C-131. Also see Dwg. C-401.

Question 29: Please confirm that heavy machinery and equipment will fit through the gates leading to the yard where Area C is located.

Response 29: Tri-axel dump trucks and concrete trucks can usually fit needing the mirrors to be folded in

Question 30: Documents do not specify any details regarding Liquidated Damages. Please advise.

Response 30: Liquidated Damages have not been included in this requirement.

Question 31: Please advise on working hours at each site location (area).

Response 31: The normal working hours are 0700 -1530. Alternate and off hours are allowed with 48-Hours notice.

Question 32: Please confirm no third-party inspectors are required for this project.

Please confirm no third-party field inspections are required for this project.

Response 32: Yes / Yes

Question 33: What is the operating pressure of the HPS?

Response 33: 95psi-100 psi

Question 34: There is a spec section for asbestos abatement but no drawing, please provide drawing and details for asbestos abatement work.

Response 34: There is asbestos containing material in Building One. See drawings C-126 through C-131 and Comprehensive Asbestos building Survey dated 11/15/2013.

Question 35: Specs has extensive requirements for quality control personnel and SSHO. Please confirm that the contractor's site superintendent can perform duties of SSHO and quality personnel simultaneously.

Response 35: The competent person for the contractor may also fill the rolls.

Question 36: Please advise on the make, model, and quantity of pump mentioned in C-108, C-

112, C-121. Will a new match existing? If so, what are the make and models of the existing?

Response 36: The sump pumps are not required to match existing. The Government is not requiring a particular manufacturer/model and the Contractor is required to provide equipment meeting the contract requirements. The Contractor may consider Zoeller Pump Company 2000

Series high temperature submersible pump models 2098 or 2137 or pumps manufactured by

Crane Barnes, Goulds or Little Giant.

Question 37: Do new pump contacts have to be tied into the existing BMS? Specs just call to provide contacts with pumps. After a conversation with IGC, they informed us that the BAS is not BACnet, but is LonWorks.

Response 37: No.

Additional Clarification by A/E:

On Dwg. C-501 Detail 1/C-501 has a note which reads “REFER TO 6/C-203” which should be changed to read “REFER TO 6/C-303”