Revised Responses to RFIs - 36C24223B0028 - 561-23-700 Roofing Replacement B1__13FL.pdf

REVISED GOVERNMENT RESPONSES TO REQUESTS FOR INFORMATION REGARDING

SOLICITATION NO. 36C24223B0028

PROJECT NO. 561-23-700 - ROOFING REPLACEMENT BLDG. 1-13TH FL

Question 1. Once our list of employees is reviewed for access, will the badges granted be good for the duration of the job?

Answer 1. Contractor’s flash badge is valid for 180 days and may be renewed if applicable.

The process to get the flash badge may take up to 30 days.

Question 2. Is the area beneath the roof section volatile/clean air only?

Answer 2. The floor below is an occupied hospital service space during medical center hours, any damages caused by contractor need to be corrected from below by contractor. Any roof openings and equipment on the roof shall be protected from debris and damages.

Question 3. Work hours are stated 6am-2pm. Does this include Saturdays and Sundays?

Also, Will these be the hours for loading materials on the job?

Answer 3. Specification Section 02 82 13.21 refers to work hours from 6am to 2pm REVISED for Asbestos Abatement work only and is not applicable for this project. Please refer to revised drawing AD-01 Construction Notes. Per Specification Section 01 00 00 the Medical Center must maintain its operation 24 hours a day 7 days a week. Execute work so as to interfere as little as possible with normal functioning of Medical Center as a whole, including operations of utility services, fire protection systems and any existing equipment, and with work being done by others. Use of equipment and tools that transmit vibrations and noises through the building structure, are not permitted in buildings that are occupied, during construction, jointly by patients or medical personnel, and Contractor's personnel, except as permitted by COR.

Question 4. Are we able to situate a trash shoot to the lower roof section? If so, do we assume blanket responsibility for any defects? (That section will need to be thoroughly inspected beforehand, and any existing damage documented)

Answer 4. Trash shoots are not allowed.

Question 5. Are we able to close off the small section next to that lower roof for dump truck loading, or is it just limited to the designated areas specified in the prints?

Answer 5. Staging area will be provided for the dumpster and crane. Any removal of debris and materials using the freight elevators shall be conducted through the loading dock. If dump truck is used during crane operations, location shall be coordinated with crane placement, as per approved crane plan.

Question 6. Can we use one of the elevators to load material and unload garbage? If so, will the hours of operation pertaining to that be different from the normal operating hours? Would we have to request the elevator each day, or will they be assigned for the duration of the project?

Answer 6. See answer to questions 3 and 5. There are 2 freight elevators that are in use during the day and will be shared with the hospital facilities. Elevators and contractor’s path to and from site shall be protected from damage and cleaned after use.

Question 7. Is there was an ACM report available for this project?

Answer 7. The roof has been tested and the core samples were reported by the lab as being either “None Detected” or less than 1% asbestos. The report can be provided. Per NJDEP regulations the roofing material removal of less than 1% asbestos can be handled by a roofing contractor without the need to engage in asbestos abatement activities.

Question 8. Is the VA going to allow a place on-site for a crane to be used for this SOW?

Answer 8. Yes. The staging area for the crane will be provided and coordinated with VA.

Question 9. Would contractor be able to bring materials up and down through the building, or is everything going to have to be delivered via crane?

Answer 9. It depends on contractor’s means and methods. Freight elevators and crane can be used, crane is the preferred method. All areas and path used by contractor’s employees inside hospital need to be protected from damage and cleaned after use.

Question 10. Who is responsible for removing the equipment that is currently on the roof?

Answer 10. Per contract drawings, the old exhaust fan and connections that are located close to the penthouse wall is to be removed from site and capped by contractor.

All the other equipment will remain, and it is contractor’s responsibility to remove and reinstall per original condition if needed. Contractor to temporary support all conduits where necessary.

NEW RESPONSES

Question 11. Please confirm if agency will allow the use of the lower-level roof (see the attached photo) to lower the removed roof material and to hoist the new roofing material. Also advise if hoist will be allowed on the exterior of building from 13th floor roof level to the lower roof below.

Answer 11. Hoisting to the lower-level roofs is not allowed.

Question 12. Contractor may have to use the crane service to cart out the demoed roof material and hoist the new roof material, please confirm if use to crane is permitted in regular work hours on weekdays or it must be done on weekends only. Crane rental rates are much higher on weekends.

Answer 12. Please see answers to questions 3 and 8. Please refer to revised drawing AD-01

Construction Notes.

Question 13. Drawings does not have scale. Actual roof quantity could be little less that the specified quantity of 5500 SF. Please advise what is the correct quantity of roofing which contractor must consider for bidding.

Answer 13. Please use quantity of 5500 SF as provided.

Question 14. In New Jersey/for this federal government project can a roofing contractor remove the existing asbestos roofing material? Or the ACM removal must be done by licensed asbestos abatement contractor? Please confirm.

Answer 14. Please see answer to question 7.

Question 15. Please provide drawing section of the interior parapet walls. Roof plan AS‐01 states to repoint bldg. perimeter and replace all deteriorated bricks under existing roof membrane (TYP.) ‐‐‐ Please provide an allowance amount or quantity for repointing and to replace deteriorated bricks as then all the contractors can bid on the same information. Also, contractor cannot determine the extent of this work unless agency’s COR does the inspection.

Answer 15. Please refer to revised drawing AE-01 Details. Contractor to provide cost per square foot for brick repair for the allowance amount of approximately 300 sq. ft.

and repointing for the allowance amount of approximately 400 sq. ft. Contractor shall notify engineer after removal operations are complete so that conditions can be verified. If required contractor to remove, raise and reinstall new through wall counter flashing along the rising wall to achieve the manufacture’s required minimum of 8 inches flashing height.

Question 16. Will agency allow contractor to use the freight elevator or passenger elevator (whichever stops on 13th floor) to haul out the removed roofing material and bring in the new roof/all the construction material?

Answer 16. Please see answers to questions 6 and 9.

Question 17. Drawing AD‐01 demolition note no.16 states temporary construction lighting will be provided by contractor. Does this project require all the work to be done after hours? Please specify the purpose of this temporary lighting.

Answer 17. Please see answer to question 3 above. Temporary light shall be used as necessary to accomplish the work safely per OSHA and VA Safety Standards.

Question 18. What is the interior height of parapet/perimeter roof walls?

Answer 18. Contractor to field verify the measurements.

Question 19. Please confirm all the noisy work including the roof removal can be done in regular work hours.

Answer 19. Please see answer to question 3 above.

Question 20. Spec section 02 82 13.21 page 3 states Asbestos abatement/ACM quantity is

(3400) square feet of roofing material containing multiple built‐up roofs and (100) linear feet of roofing flashing. This conflicts with the specified roof replacement quantity of 5500 SF. This means not all the project roofing area is ACM. Please confirm.

Answer 20. Please see answer to question 7.

Question 21. Drawings provided does not have any scale, please provide scalable drawings.

Answer 21. Please see Construction General Notes. Contractor shall be responsible for checking dimensions against field conditions prior to construction and drawings should not be scaled. This is an emergency project, and therefore it was not designed by A/E. Information provided is an approximation, contractor to field verify conditions and measurements.

Question 22. Spec section 02 82 13.21 page 3, para 10 states work hours will be from 6:00 AM to 2:00 PM. Please confirm this is correct?

Answer 22. Specification Section 02 82 13.21 is for Asbestos Abatement work only and is not applicable for this project.

Question 23. Spec section 02 82 13.21 page 3 states Asbestos abatement/ACM quantity is

(3400) square feet of roofing material containing multiple built‐up roofs and (100) linear feet of roofing flashing. ‐‐‐ Please advise what is the thickness of this existing multiple built‐up roofs? As this roof thickness information will have impact on our cost and bid offer.

Answer 23. Please see answer to question 22.

Question 24. Spec book table of contents has/lists section 05 50 00 Metal Fabrications. But this section pages are missing from the spec book. Also identify the scope of work for the metal fabrications on project drawings.

Answer 24. Specification Section 05 50 00 is not applicable for this project.

Question 25. Drawing AD‐01 general note no. 4 states provide new permanent Unistrut system for any ductwork currently supported on railing system to be removed. ‐‐‐ Please clarify if this is required and then provide a detailed drawing for the Unistrut system.

Answer 25. The railing system removal is not included in this project.

Question 26. Drawing AD‐01 general note no. 5 states lighting protection system to be removed from railing system and temporarily installed on roof while railing system is being removed. ‐‐‐ Please clarify if contractor has to remove the existing railing system? Drawings does not show this removal work nor the new railing work, please clarify in detail and provide a detailed drawing for the new railing system.

Answer 26. Please see answer to question 25.